diff --git a/.gitignore b/.gitignore
index c9b568f7e..f1f4a529f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 *.pyc
 *.swp
+blueprint/
+kati/
+soong/
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 6e7c9b0d3..a97c71a49 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -284,6 +284,9 @@ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
 
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system)
 
+# Switch host builds to Clang by default
+$(call add-clean-step, rm -rf $(OUT_DIR)/host)
+
 # Adding dalvik.vm.dex2oat-filter
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
@@ -304,11 +307,77 @@ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 
+# Move to libc++ as the default STL.
+$(call add-clean-step, rm -rf $(OUT_DIR))
+
+# dex2oat instruction-set changes
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+# Make GNU++11 the default standard version. This requires a cleanspec because
+# char16_t/char32_t will be real types now instead of typedefs, which means
+# an ABI change since the names will mangle differently.
+$(call add-clean-step, rm -rf $(OUT_DIR))
+
 # 5.1!
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 
+# Remove ro.product.locale.language/country and add ro.product.locale
+# instead.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
+# On to MNC
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
+# Adding dalvik.vm.usejit
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+# Rename dalvik.vm.usejit to debug.dalvik.vm.usejit
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+# Revert rename dalvik.vm.usejit to debug.dalvik.vm.usejit
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+# Change from interpret-only to verify-at-runtime.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+# New York, New York!
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
+# 23 is becoming alive!!!
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
+# Change PLATFORM_VERSION from NYC to N
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
+# $(PRODUCT_OUT)/recovery/root/sdcard goes from symlink to folder.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/sdcard)
+
+# Add BOARD_USES_SYSTEM_OTHER_ODEX
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/priv-app/*)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/GPL-LICENSE.txt b/core/LINUX_KERNEL_COPYING
similarity index 79%
rename from tools/droiddoc/templates-sdk-dyn/assets/GPL-LICENSE.txt
rename to core/LINUX_KERNEL_COPYING
index 66a0f18db..ca442d313 100644
--- a/tools/droiddoc/templates-sdk-dyn/assets/GPL-LICENSE.txt
+++ b/core/LINUX_KERNEL_COPYING
@@ -1,12 +1,28 @@
-       GNU GENERAL PUBLIC LICENSE
-           Version 2, June 1991
+
+   NOTE! This copyright does *not* cover user programs that use kernel
+ services by normal system calls - this is merely considered normal use
+ of the kernel, and does *not* fall under the heading of "derived work".
+ Also note that the GPL below is copyrighted by the Free Software
+ Foundation, but the instance of code that it refers to (the Linux
+ kernel) is copyrighted by me and others who actually wrote it.
+
+ Also note that the only valid version of the GPL as far as the kernel
+ is concerned is _this_ particular version of the license (ie v2, not
+ v2.2 or v3.x or whatever), unless explicitly otherwise stated.
+
+			Linus Torvalds
+
+----------------------------------------
+
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
 
  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
- 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+                       51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
-          Preamble
+			    Preamble
 
   The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
@@ -15,7 +31,7 @@ software--to make sure the software is free for all its users.  This
 General Public License applies to most of the Free Software
 Foundation's software and to any other program whose authors commit to
 using it.  (Some other Free Software Foundation software is covered by
-the GNU Lesser General Public License instead.)  You can apply it to
+the GNU Library General Public License instead.)  You can apply it to
 your programs, too.
 
   When we speak of free software, we are referring to freedom, not
@@ -55,8 +71,8 @@ patent must be licensed for everyone's free use or not licensed at all.
 
   The precise terms and conditions for copying, distribution and
 modification follow.
-
-        GNU GENERAL PUBLIC LICENSE
+
+		    GNU GENERAL PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
   0. This License applies to any program or other work which contains
@@ -110,7 +126,7 @@ above, provided that you also meet all of these conditions:
     License.  (Exception: if the Program itself is interactive but
     does not normally print such an announcement, your work based on
     the Program is not required to print an announcement.)
-
+
 These requirements apply to the modified work as a whole.  If
 identifiable sections of that work are not derived from the Program,
 and can be reasonably considered independent and separate works in
@@ -168,7 +184,7 @@ access to copy from a designated place, then offering equivalent
 access to copy the source code from the same place counts as
 distribution of the source code, even though third parties are not
 compelled to copy the source along with the object code.
-
+
   4. You may not copy, modify, sublicense, or distribute the Program
 except as expressly provided under this License.  Any attempt
 otherwise to copy, modify, sublicense or distribute the Program is
@@ -225,7 +241,7 @@ impose that choice.
 
 This section is intended to make thoroughly clear what is believed to
 be a consequence of the rest of this License.
-
+
   8. If the distribution and/or use of the Program is restricted in
 certain countries either by patents or by copyrighted interfaces, the
 original copyright holder who places the Program under this License
@@ -255,7 +271,7 @@ make exceptions for this.  Our decision will be guided by the two goals
 of preserving the free status of all derivatives of our free software and
 of promoting the sharing and reuse of software generally.
 
-          NO WARRANTY
+			    NO WARRANTY
 
   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
@@ -275,4 +291,66 @@ OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGES.
\ No newline at end of file
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/core/Makefile b/core/Makefile
index 15c7f02a6..6399b730d 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -22,7 +22,7 @@ endif
 # src:dest pair is the first one to match the same dest"
 #$(1): the src:dest pair
 define check-product-copy-files
-$(if $(filter %.apk, $(call word-colon, 2, $(1))),$(error \
+$(if $(filter %.apk, $(call word-colon, 2, $(1))),$(info \
     Prebuilt apk found in PRODUCT_COPY_FILES: $(1), use BUILD_PREBUILT instead!))
 endef
 # filter out the duplicate <source file>:<dest file> pairs.
@@ -46,6 +46,20 @@ $(foreach cf,$(unique_product_copy_files_pairs), \
 unique_product_copy_files_pairs :=
 unique_product_copy_files_destinations :=
 
+# -----------------------------------------------------------------
+# Define rules to copy headers defined in copy_headers.mk
+# If more than one makefile declared a header, print a warning,
+# then copy the last one defined. This matches the previous make
+# behavior.
+$(foreach dest,$(ALL_COPIED_HEADERS), \
+    $(eval _srcs := $(ALL_COPIED_HEADERS.$(dest).SRC)) \
+    $(eval _src := $(word $(words $(_srcs)),$(_srcs))) \
+    $(if $(call streq,$(_src),$(_srcs)),, \
+        $(warning Duplicate header copy: $(dest)) \
+	$(warning Defined in: $(ALL_COPIED_HEADERS.$(dest).MAKEFILE))) \
+    $(eval $(call copy-one-header,$(_src),$(dest))))
+all_copied_headers: $(ALL_COPIED_HEADERS)
+
 # -----------------------------------------------------------------
 # docs/index.html
 ifeq (,$(TARGET_BUILD_APPS))
@@ -67,7 +81,9 @@ ADDITIONAL_DEFAULT_PROPERTIES += \
 ADDITIONAL_DEFAULT_PROPERTIES := $(call uniq-pairs-by-first-component, \
     $(ADDITIONAL_DEFAULT_PROPERTIES),=)
 
-$(INSTALLED_DEFAULT_PROP_TARGET):
+intermediate_system_build_prop := $(call intermediates-dir-for,ETC,system_build_prop)/build.prop
+
+$(INSTALLED_DEFAULT_PROP_TARGET): $(intermediate_system_build_prop)
 	@echo Target buildinfo: $@
 	@mkdir -p $(dir $@)
 	$(hide) echo "#" > $@; \
@@ -75,7 +91,12 @@ $(INSTALLED_DEFAULT_PROP_TARGET):
 	        echo "#" >> $@;
 	$(hide) $(foreach line,$(ADDITIONAL_DEFAULT_PROPERTIES), \
 		echo "$(line)" >> $@;)
-	build/tools/post_process_props.py $@
+	$(hide) echo "#" >> $@; \
+	        echo "# BOOTIMAGE_BUILD_PROPERTIES" >> $@; \
+	        echo "#" >> $@;
+	$(hide) echo ro.bootimage.build.date=`$(DATE_FROM_FILE)`>>$@
+	$(hide) echo ro.bootimage.build.date.utc=`$(DATE_FROM_FILE) +%s`>>$@
+	$(hide) build/tools/post_process_props.py $@
 
 # -----------------------------------------------------------------
 # build.prop
@@ -105,25 +126,45 @@ endif
 BUILD_VERSION_TAGS += $(BUILD_KEYS)
 BUILD_VERSION_TAGS := $(subst $(space),$(comma),$(sort $(BUILD_VERSION_TAGS)))
 
+# If the final fingerprint should be different than what was used by the build system,
+# we can allow that too.
+ifeq ($(TARGET_VENDOR_PRODUCT_NAME),)
+TARGET_VENDOR_PRODUCT_NAME := $(TARGET_PRODUCT)
+endif
+
+ifeq ($(TARGET_VENDOR_DEVICE_NAME),)
+TARGET_VENDOR_DEVICE_NAME := $(TARGET_DEVICE)
+endif
+
+ifeq ($(TARGET_VENDOR_RELEASE_BUILD_ID),)
+TARGET_VENDOR_RELEASE_BUILD_ID := $(BUILD_NUMBER_FROM_FILE)
+endif
+
 # A human-readable string that descibes this build in detail.
-build_desc := $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT) $(PLATFORM_VERSION) $(BUILD_ID) $(BUILD_NUMBER) $(BUILD_VERSION_TAGS)
-$(INSTALLED_BUILD_PROP_TARGET): PRIVATE_BUILD_DESC := $(build_desc)
+build_desc := $(TARGET_VENDOR_PRODUCT_NAME)-$(TARGET_BUILD_VARIANT) $(PLATFORM_VERSION) $(BUILD_ID) $(TARGET_VENDOR_RELEASE_BUILD_ID) $(BUILD_VERSION_TAGS)
+$(intermediate_system_build_prop): PRIVATE_BUILD_DESC := $(build_desc)
 
 # The string used to uniquely identify the combined build and product; used by the OTA server.
 ifeq (,$(strip $(BUILD_FINGERPRINT)))
   ifneq ($(filter eng.%,$(BUILD_NUMBER)),)
     # Trim down BUILD_FINGERPRINT: the default BUILD_NUMBER makes it easily exceed
     # the Android system property length limit (PROPERTY_VALUE_MAX=92).
-    BF_BUILD_NUMBER := $(USER)$(shell date +%m%d%H%M)
+    BF_BUILD_NUMBER := $(shell echo $${USER:0:6})$(shell $(DATE) +%m%d%H%M)
   else
     BF_BUILD_NUMBER := $(BUILD_NUMBER)
   endif
-  BUILD_FINGERPRINT := $(PRODUCT_BRAND)/$(TARGET_PRODUCT)/$(TARGET_DEVICE):$(PLATFORM_VERSION)/$(BUILD_ID)/$(BF_BUILD_NUMBER):$(TARGET_BUILD_VARIANT)/$(BUILD_VERSION_TAGS)
+  ifneq ($(TARGET_VENDOR_RELEASE_BUILD_ID),)
+    BF_BUILD_NUMBER := $(TARGET_VENDOR_RELEASE_BUILD_ID)
+  endif
+  BUILD_FINGERPRINT := $(PRODUCT_BRAND)/$(TARGET_VENDOR_PRODUCT_NAME)/$(TARGET_VENDOR_DEVICE_NAME):$(PLATFORM_VERSION)/$(BUILD_ID)/$(BF_BUILD_NUMBER):$(TARGET_BUILD_VARIANT)/$(BUILD_VERSION_TAGS)
 endif
 ifneq ($(words $(BUILD_FINGERPRINT)),1)
   $(error BUILD_FINGERPRINT cannot contain spaces: "$(BUILD_FINGERPRINT)")
 endif
 
+$(shell mkdir -p $(PRODUCT_OUT) && echo $(BUILD_FINGERPRINT) > $(PRODUCT_OUT)/build_fingerprint.txt)
+BUILD_FINGERPRINT_FROM_FILE := $$(cat $(PRODUCT_OUT)/build_fingerprint.txt)
+
 # The string used to uniquely identify the system build; used by the OTA server.
 # This purposefully excludes any product-specific variables.
 ifeq (,$(strip $(BUILD_THUMBPRINT)))
@@ -147,7 +188,7 @@ ifeq ($(TARGET_BUILD_VARIANT),user)
 
   # Dev. branches should have DISPLAY_BUILD_NUMBER set
   ifeq "true" "$(DISPLAY_BUILD_NUMBER)"
-    BUILD_DISPLAY_ID := $(BUILD_ID).$(BUILD_NUMBER) $(BUILD_KEYS)
+    BUILD_DISPLAY_ID := $(BUILD_ID).$(BUILD_NUMBER_FROM_FILE) $(BUILD_KEYS)
   else
     BUILD_DISPLAY_ID := $(BUILD_ID) $(BUILD_KEYS)
   endif
@@ -156,39 +197,28 @@ else
   BUILD_DISPLAY_ID := $(build_desc)
 endif
 
-# Whether there is default locale set in PRODUCT_PROPERTY_OVERRIDES
-product_property_override_locale_language := $(strip \
-    $(patsubst ro.product.locale.language=%,%,\
-    $(filter ro.product.locale.language=%,$(PRODUCT_PROPERTY_OVERRIDES))))
-product_property_overrides_locale_region := $(strip \
-    $(patsubst ro.product.locale.region=%,%,\
-    $(filter ro.product.locale.region=%,$(PRODUCT_PROPERTY_OVERRIDES))))
-
-# Selects the first locale in the list given as the argument,
-# and splits it into language and region, which each may be
-# empty.
-define default-locale
-$(subst _, , $(firstword $(1)))
-endef
-
-# Selects the first locale in the list given as the argument
-# and returns the language (or the region), if it's not set in PRODUCT_PROPERTY_OVERRIDES;
-# Return empty string if it's already set in PRODUCT_PROPERTY_OVERRIDES.
-define default-locale-language
-$(if $(product_property_override_locale_language),,$(word 1, $(call default-locale, $(1))))
-endef
-define default-locale-region
-$(if $(product_property_overrides_locale_region),,$(word 2, $(call default-locale, $(1))))
+# Accepts a whitespace separated list of product locales such as
+# (en_US en_AU en_GB...) and returns the first locale in the list with
+# underscores replaced with hyphens. In the example above, this will
+# return "en-US".
+define get-default-product-locale
+$(strip $(subst _,-, $(firstword $(1))))
 endef
 
 BUILDINFO_SH := build/tools/buildinfo.sh
 
+# TARGET_BUILD_FLAVOR and ro.build.flavor are used only by the test harness to distinguish builds.
+TARGET_BUILD_FLAVOR := $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)
+ifdef SANITIZE_TARGET
+TARGET_BUILD_FLAVOR := $(TARGET_BUILD_FLAVOR)_asan
+endif
+
 ifdef TARGET_SYSTEM_PROP
 system_prop_file := $(TARGET_SYSTEM_PROP)
 else
 system_prop_file := $(wildcard $(TARGET_DEVICE_DIR)/system.prop)
 endif
-$(INSTALLED_BUILD_PROP_TARGET): $(BUILDINFO_SH) $(INTERNAL_BUILD_ID_MAKEFILE) $(BUILD_SYSTEM)/version_defaults.mk $(system_prop_file)
+$(intermediate_system_build_prop): $(BUILDINFO_SH) $(INTERNAL_BUILD_ID_MAKEFILE) $(BUILD_SYSTEM)/version_defaults.mk $(system_prop_file) $(INSTALLED_ANDROID_INFO_TXT_TARGET)
 	@echo Target buildinfo: $@
 	@mkdir -p $(dir $@)
 	$(hide) echo > $@
@@ -200,26 +230,32 @@ ifneq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_OEM_PROPERTIES),)
 		echo "import /oem/oem.prop $(prop)" >> $@;)
 endif
 	$(hide) TARGET_BUILD_TYPE="$(TARGET_BUILD_VARIANT)" \
-			TARGET_BUILD_FLAVOR="$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)" \
-			TARGET_DEVICE="$(TARGET_DEVICE)" \
-			PRODUCT_NAME="$(TARGET_PRODUCT)" \
+			TARGET_BUILD_FLAVOR="$(TARGET_BUILD_FLAVOR)" \
+			TARGET_DEVICE="$(TARGET_VENDOR_DEVICE_NAME)" \
+			CM_DEVICE="$(TARGET_DEVICE)" \
+			PRODUCT_NAME="$(TARGET_VENDOR_PRODUCT_NAME)" \
 			PRODUCT_BRAND="$(PRODUCT_BRAND)" \
-			PRODUCT_DEFAULT_LANGUAGE="$(call default-locale-language,$(PRODUCT_LOCALES))" \
-			PRODUCT_DEFAULT_REGION="$(call default-locale-region,$(PRODUCT_LOCALES))" \
+			PRODUCT_DEFAULT_LOCALE="$(call get-default-product-locale,$(PRODUCT_LOCALES))" \
 			PRODUCT_DEFAULT_WIFI_CHANNELS="$(PRODUCT_DEFAULT_WIFI_CHANNELS)" \
 			PRODUCT_MODEL="$(PRODUCT_MODEL)" \
 			PRODUCT_MANUFACTURER="$(PRODUCT_MANUFACTURER)" \
 			PRIVATE_BUILD_DESC="$(PRIVATE_BUILD_DESC)" \
 			BUILD_ID="$(BUILD_ID)" \
 			BUILD_DISPLAY_ID="$(BUILD_DISPLAY_ID)" \
-			BUILD_NUMBER="$(BUILD_NUMBER)" \
+			DATE="$(DATE_FROM_FILE)" \
+			BUILD_NUMBER="$(BUILD_NUMBER_FROM_FILE)" \
+			BOARD_BUILD_SYSTEM_ROOT_IMAGE="$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)" \
+			AB_OTA_UPDATER="$(AB_OTA_UPDATER)" \
 			PLATFORM_VERSION="$(PLATFORM_VERSION)" \
+			PLATFORM_SECURITY_PATCH="$(PLATFORM_SECURITY_PATCH)" \
+			PLATFORM_BASE_OS="$(PLATFORM_BASE_OS)" \
 			PLATFORM_SDK_VERSION="$(PLATFORM_SDK_VERSION)" \
+			PLATFORM_PREVIEW_SDK_VERSION="$(PLATFORM_PREVIEW_SDK_VERSION)" \
 			PLATFORM_VERSION_CODENAME="$(PLATFORM_VERSION_CODENAME)" \
 			PLATFORM_VERSION_ALL_CODENAMES="$(PLATFORM_VERSION_ALL_CODENAMES)" \
 			BUILD_VERSION_TAGS="$(BUILD_VERSION_TAGS)" \
 			TARGET_BOOTLOADER_BOARD_NAME="$(TARGET_BOOTLOADER_BOARD_NAME)" \
-			BUILD_FINGERPRINT="$(BUILD_FINGERPRINT)" \
+			BUILD_FINGERPRINT="$(BUILD_FINGERPRINT_FROM_FILE)" \
 			$(if $(OEM_THUMBPRINT_PROPERTIES),BUILD_THUMBPRINT="$(BUILD_THUMBPRINT)") \
 			TARGET_BOARD_PLATFORM="$(TARGET_BOARD_PLATFORM)" \
 			TARGET_CPU_ABI_LIST="$(TARGET_CPU_ABI_LIST)" \
@@ -228,6 +264,7 @@ endif
 			TARGET_CPU_ABI="$(TARGET_CPU_ABI)" \
 			TARGET_CPU_ABI2="$(TARGET_CPU_ABI2)" \
 			TARGET_AAPT_CHARACTERISTICS="$(TARGET_AAPT_CHARACTERISTICS)" \
+			$(PRODUCT_BUILD_PROP_OVERRIDES) \
 	        bash $(BUILDINFO_SH) >> $@
 	$(hide) $(foreach file,$(system_prop_file), \
 		if [ -f "$(file)" ]; then \
@@ -244,10 +281,25 @@ endif
 		        echo "#" >> $@; )
 	$(hide) $(foreach line,$(ADDITIONAL_BUILD_PROPERTIES), \
 		echo "$(line)" >> $@;)
-	$(hide) build/tools/post_process_props.py $@ $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_PROPERTY_BLACKLIST)
+	$(hide) cat $(INSTALLED_ANDROID_INFO_TXT_TARGET) | grep 'require version-' | sed -e 's/require version-/ro.build.expect./g' >> $@
+	$(hide) build/tools/post_process_props.py $@ "$(PRODUCT_PROPERTY_UBER_OVERRIDES)" $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_PROPERTY_BLACKLIST)
 
 build_desc :=
 
+ifeq (,$(filter true, $(TARGET_NO_KERNEL) $(TARGET_NO_RECOVERY)))
+INSTALLED_RECOVERYIMAGE_TARGET := $(PRODUCT_OUT)/recovery.img
+else
+INSTALLED_RECOVERYIMAGE_TARGET :=
+endif
+
+$(INSTALLED_BUILD_PROP_TARGET): $(intermediate_system_build_prop) $(INSTALLED_RECOVERYIMAGE_TARGET)
+	@echo "Target build info: $@"
+	$(hide) cat $(intermediate_system_build_prop) > $@
+	$(hide) echo ro.bootimage.build.fingerprint="$(BUILD_FINGERPRINT_FROM_FILE)">>$@
+ifdef INSTALLED_RECOVERYIMAGE_TARGET
+	$(hide) echo ro.expect.recovery_id=`cat $(RECOVERYIMAGE_ID_FILE)` >> $@
+endif
+
 # -----------------------------------------------------------------
 # vendor build.prop
 #
@@ -259,11 +311,13 @@ $(INSTALLED_VENDOR_BUILD_PROP_TARGET): $(INSTALLED_BUILD_PROP_TARGET)
 	@echo Target vendor buildinfo: $@
 	@mkdir -p $(dir $@)
 	$(hide) echo > $@
-	$(hide) echo ro.vendor.build.date=`date`>>$@
-	$(hide) echo ro.vendor.build.date.utc=`date +%s`>>$@
-	$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT)">>$@
+	$(hide) echo ro.vendor.build.date=`$(DATE_FROM_FILE)`>>$@
+	$(hide) echo ro.vendor.build.date.utc=`$(DATE_FROM_FILE) +%s`>>$@
+	$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT_FROM_FILE)">>$@
 endif
 
+# ----------------------------------------------------------------
+
 # -----------------------------------------------------------------
 # sdk-build.prop
 #
@@ -300,7 +354,12 @@ $(PACKAGE_STATS_FILE): $(PACKAGES_TO_STAT)
 	@echo Package stats: $@
 	@mkdir -p $(dir $@)
 	$(hide) rm -f $@
+ifeq ($(PACKAGES_TO_STAT),)
+# Create empty package stats file if target builds no jar(s) or apk(s).
+	$(hide) touch $@
+else
 	$(hide) build/tools/dump-package-stats $^ > $@
+endif
 
 .PHONY: package-stats
 package-stats: $(PACKAGE_STATS_FILE)
@@ -345,20 +404,6 @@ ifneq (,$(TARGET_BUILD_APPS))
   $(call dist-for-goals, apps_only, $(APKCERTS_FILE):apkcerts.txt)
 endif
 
-# -----------------------------------------------------------------
-# module info file
-ifdef CREATE_MODULE_INFO_FILE
-  MODULE_INFO_FILE := $(PRODUCT_OUT)/module-info.txt
-  $(info Generating $(MODULE_INFO_FILE)...)
-  $(shell rm -f $(MODULE_INFO_FILE))
-  $(foreach m,$(ALL_MODULES), \
-    $(shell echo "NAME=\"$(m)\"" \
-	"PATH=\"$(strip $(ALL_MODULES.$(m).PATH))\"" \
-	"TAGS=\"$(strip $(filter-out _%,$(ALL_MODULES.$(m).TAGS)))\"" \
-	"BUILT=\"$(strip $(ALL_MODULES.$(m).BUILT))\"" \
-	"INSTALLED=\"$(strip $(ALL_MODULES.$(m).INSTALLED))\"" >> $(MODULE_INFO_FILE)))
-endif
-
 # -----------------------------------------------------------------
 
 # The dev key is used to sign this package, and as the key required
@@ -367,6 +412,9 @@ endif
 # exist with the suffixes ".x509.pem" and ".pk8".
 DEFAULT_KEY_CERT_PAIR := $(DEFAULT_SYSTEM_DEV_CERTIFICATE)
 
+ifneq ($(OTA_PACKAGE_SIGNING_KEY),)
+    DEFAULT_KEY_CERT_PAIR := $(OTA_PACKAGE_SIGNING_KEY)
+endif
 
 # Rules that need to be present for the all targets, even
 # if they don't do anything.
@@ -441,9 +489,20 @@ endif
 
 # -----------------------------------------------------------------
 # the ramdisk
+BOOT_RAMDISK_COMPRESSOR := $(MINIGZIP)
+RECOVERY_RAMDISK_COMPRESSOR := $(MINIGZIP)
+ifneq ($(LZMA_RAMDISK_TARGETS),)
+  ifneq (,$(findstring boot,$(LZMA_RAMDISK_TARGETS)))
+    BOOT_RAMDISK_COMPRESSOR := lzma -f -c
+  endif
+  ifneq (,$(findstring recovery,$(LZMA_RAMDISK_TARGETS)))
+    RECOVERY_RAMDISK_COMPRESSOR := lzma -f -c
+    TARGET_NOT_USE_GZIP_RECOVERY_RAMDISK := true
+  endif
+endif
+
 INTERNAL_RAMDISK_FILES := $(filter $(TARGET_ROOT_OUT)/%, \
 	$(ALL_PREBUILT) \
-	$(ALL_COPIED_HEADERS) \
 	$(ALL_GENERATED_SOURCES) \
 	$(ALL_DEFAULT_INSTALLED_MODULES))
 
@@ -453,12 +512,12 @@ BUILT_RAMDISK_TARGET := $(PRODUCT_OUT)/ramdisk.img
 INSTALLED_RAMDISK_TARGET := $(BUILT_RAMDISK_TARGET)
 $(INSTALLED_RAMDISK_TARGET): $(MKBOOTFS) $(INTERNAL_RAMDISK_FILES) | $(MINIGZIP)
 	$(call pretty,"Target ram disk: $@")
-	$(hide) $(MKBOOTFS) $(TARGET_ROOT_OUT) | $(MINIGZIP) > $@
+	$(hide) $(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_ROOT_OUT) | $(BOOT_RAMDISK_COMPRESSOR) > $@
 
 .PHONY: ramdisk-nodeps
 ramdisk-nodeps: $(MKBOOTFS) | $(MINIGZIP)
 	@echo "make $@: ignoring dependencies"
-	$(hide) $(MKBOOTFS) $(TARGET_ROOT_OUT) | $(MINIGZIP) > $(INSTALLED_RAMDISK_TARGET)
+	$(hide) $(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_ROOT_OUT) | $(BOOT_RAMDISK_COMPRESSOR) > $(INSTALLED_RAMDISK_TARGET)
 
 ifneq ($(strip $(TARGET_NO_KERNEL)),true)
 
@@ -466,16 +525,14 @@ ifneq ($(strip $(TARGET_NO_KERNEL)),true)
 # the boot image, which is a collection of other images.
 INTERNAL_BOOTIMAGE_ARGS := \
 	$(addprefix --second ,$(INSTALLED_2NDBOOTLOADER_TARGET)) \
-	--kernel $(INSTALLED_KERNEL_TARGET) \
-	--ramdisk $(INSTALLED_RAMDISK_TARGET)
+	--kernel $(INSTALLED_KERNEL_TARGET)
 
-INTERNAL_BOOTIMAGE_FILES := $(filter-out --%,$(INTERNAL_BOOTIMAGE_ARGS))
-
-BOARD_KERNEL_CMDLINE := $(strip $(BOARD_KERNEL_CMDLINE))
-ifdef BOARD_KERNEL_CMDLINE
-  INTERNAL_BOOTIMAGE_ARGS += --cmdline "$(BOARD_KERNEL_CMDLINE)"
+ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+INTERNAL_BOOTIMAGE_ARGS += --ramdisk $(INSTALLED_RAMDISK_TARGET)
 endif
 
+INTERNAL_BOOTIMAGE_FILES := $(filter-out --%,$(INTERNAL_BOOTIMAGE_ARGS))
+
 BOARD_KERNEL_BASE := $(strip $(BOARD_KERNEL_BASE))
 ifdef BOARD_KERNEL_BASE
   INTERNAL_BOOTIMAGE_ARGS += --base $(BOARD_KERNEL_BASE)
@@ -486,55 +543,90 @@ ifdef BOARD_KERNEL_PAGESIZE
   INTERNAL_BOOTIMAGE_ARGS += --pagesize $(BOARD_KERNEL_PAGESIZE)
 endif
 
-INSTALLED_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img
+ifeq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),true)
+ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+VERITY_KEYID := veritykeyid=id:`openssl x509 -in $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).x509.pem -text \
+                | grep keyid | sed 's/://g' | tr -d '[:space:]' | tr '[:upper:]' '[:lower:]' | sed 's/keyid//g'`
+endif
+endif
 
-ifeq ($(TARGET_BOOTIMAGE_USE_EXT2),true)
-tmp_dir_for_image := $(call intermediates-dir-for,EXECUTABLES,boot_img)/bootimg
-INTERNAL_BOOTIMAGE_ARGS += --tmpdir $(tmp_dir_for_image)
-INTERNAL_BOOTIMAGE_ARGS += --genext2fs $(MKEXT2IMG)
+BOARD_KERNEL_CMDLINE := $(strip $(BOARD_KERNEL_CMDLINE) buildvariant=$(TARGET_BUILD_VARIANT) $(VERITY_KEYID))
+ifdef BOARD_KERNEL_CMDLINE
+INTERNAL_BOOTIMAGE_ARGS += --cmdline "$(BOARD_KERNEL_CMDLINE)"
+endif
 
-ifeq ($(TARGET_BOOTIMAGE_USE_EXTLINUX),true)
-INTERNAL_BOOTIMAGE_ARGS += --extlinuxconf $(TARGET_BOOTIMAGE_EXTLINUX_CONFIG)
+INTERNAL_MKBOOTIMG_VERSION_ARGS := \
+    --os_version $(PLATFORM_VERSION) \
+    --os_patch_level $(PLATFORM_SECURITY_PATCH)
+
+INSTALLED_DTIMAGE_TARGET := $(PRODUCT_OUT)/dt.img
+
+ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
+  INTERNAL_BOOTIMAGE_ARGS += --dt $(INSTALLED_DTIMAGE_TARGET)
+  BOOTIMAGE_EXTRA_DEPS    := $(INSTALLED_DTIMAGE_TARGET)
 endif
 
-$(INSTALLED_BOOTIMAGE_TARGET): $(MKEXT2IMG) $(INTERNAL_BOOTIMAGE_FILES)
-	$(call pretty,"Target boot image: $@")
-	$(hide) $(MKEXT2BOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) --output $@
+INSTALLED_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img
 
-.PHONY: bootimage-nodeps
-bootimage-nodeps: $(MKEXT2IMG)
-	@echo "make $@: ignoring dependencies"
-	$(hide) $(MKEXT2BOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
+# BOARD_USES_RECOVERY_AS_BOOT = true must have BOARD_BUILD_SYSTEM_ROOT_IMAGE = true.
+ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+  $(error BOARD_BUILD_SYSTEM_ROOT_IMAGE must be enabled for BOARD_USES_RECOVERY_AS_BOOT.)
+endif
+endif
 
-else ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY)) # TARGET_BOOTIMAGE_USE_EXT2 != true
+# We build recovery as boot image if BOARD_USES_RECOVERY_AS_BOOT is true.
+ifneq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+ifeq ($(TARGET_BOOTIMAGE_USE_EXT2),true)
+$(error TARGET_BOOTIMAGE_USE_EXT2 is not supported anymore)
+else ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_BOOT_SIGNER)) # TARGET_BOOTIMAGE_USE_EXT2 != true
 
-$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES) $(BOOT_SIGNER)
+$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES) $(BOOT_SIGNER) $(BOOTIMAGE_EXTRA_DEPS)
 	$(call pretty,"Target boot image: $@")
-	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
 	$(BOOT_SIGNER) /boot $@ $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).x509.pem $@
 	$(hide) $(call assert-max-image-size,$@,$(BOARD_BOOTIMAGE_PARTITION_SIZE))
 
 .PHONY: bootimage-nodeps
 bootimage-nodeps: $(MKBOOTIMG) $(BOOT_SIGNER)
 	@echo "make $@: ignoring dependencies"
-	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
 	$(BOOT_SIGNER) /boot $(INSTALLED_BOOTIMAGE_TARGET) $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).x509.pem $(INSTALLED_BOOTIMAGE_TARGET)
 	$(hide) $(call assert-max-image-size,$(INSTALLED_BOOTIMAGE_TARGET),$(BOARD_BOOTIMAGE_PARTITION_SIZE))
 
-else # PRODUCT_SUPPORTS_VERITY != true
+else ifndef BOARD_CUSTOM_BOOTIMG_MK
+
+  ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT)) # PRODUCT_SUPPORTS_BOOT_SIGNER != true
 
-$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES)
+$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES) $(VBOOT_SIGNER) $(FUTILITY) $(BOOTIMAGE_EXTRA_DEPS)
 	$(call pretty,"Target boot image: $@")
-	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@.unsigned
+	$(VBOOT_SIGNER) $(FUTILITY) $@.unsigned $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY).vbpubk $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY).vbprivk $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_SUBKEY).vbprivk $@.keyblock $@
+	$(hide) $(call assert-max-image-size,$@,$(BOARD_BOOTIMAGE_PARTITION_SIZE))
+
+.PHONY: bootimage-nodeps
+bootimage-nodeps: $(MKBOOTIMG) $(VBOOT_SIGNER) $(FUTILITY)
+	@echo "make $@: ignoring dependencies"
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET).unsigned
+	$(VBOOT_SIGNER) $(FUTILITY) $(INSTALLED_BOOTIMAGE_TARGET).unsigned $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY).vbpubk $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY).vbprivk $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_SUBKEY).vbprivk $(INSTALLED_BOOTIMAGE_TARGET).keyblock $(INSTALLED_BOOTIMAGE_TARGET)
+	$(hide) $(call assert-max-image-size,$(INSTALLED_BOOTIMAGE_TARGET),$(BOARD_BOOTIMAGE_PARTITION_SIZE))
+
+  else # PRODUCT_SUPPORTS_VBOOT != true
+
+$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES) $(BOOTIMAGE_EXTRA_DEPS)
+	$(call pretty,"Target boot image: $@")
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
 	$(hide) $(call assert-max-image-size,$@,$(BOARD_BOOTIMAGE_PARTITION_SIZE))
 
 .PHONY: bootimage-nodeps
 bootimage-nodeps: $(MKBOOTIMG)
 	@echo "make $@: ignoring dependencies"
-	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
 	$(hide) $(call assert-max-image-size,$(INSTALLED_BOOTIMAGE_TARGET),$(BOARD_BOOTIMAGE_PARTITION_SIZE))
 
-endif # TARGET_BOOTIMAGE_USE_EXT2
+  endif # PRODUCT_SUPPORTS_VBOOT
+endif # TARGET_BOOTIMAGE_USE_EXT2 / BOARD_CUSTOM_BOOTIMG_MK
+endif # BOARD_USES_RECOVERY_AS_BOOT
 
 else	# TARGET_NO_KERNEL
 # HACK: The top-level targets depend on the bootimage.  Not all targets
@@ -636,7 +728,7 @@ endif  # TARGET_BUILD_APPS
 # make the target NOTICE files depend on this particular file too, which will
 # then be in the right directory for the find in combine-notice-files to work.
 $(kernel_notice_file): \
-	    prebuilts/qemu-kernel/arm/LINUX_KERNEL_COPYING \
+	    $(BUILD_SYSTEM)/LINUX_KERNEL_COPYING \
 	    | $(ACP)
 	@echo Copying: $@
 	$(hide) mkdir -p $(dir $@)
@@ -651,10 +743,28 @@ $(kernel_notice_file): \
 # before the rules that use that variable to build the image.
 ALL_DEFAULT_INSTALLED_MODULES += $(TARGET_OUT_ETC)/security/otacerts.zip
 $(TARGET_OUT_ETC)/security/otacerts.zip: KEY_CERT_PAIR := $(DEFAULT_KEY_CERT_PAIR)
-$(TARGET_OUT_ETC)/security/otacerts.zip: $(addsuffix .x509.pem,$(DEFAULT_KEY_CERT_PAIR))
+$(TARGET_OUT_ETC)/security/otacerts.zip: $(addsuffix .x509.pem,$(DEFAULT_KEY_CERT_PAIR)) | $(ZIPTIME)
+	$(hide) rm -f $@
+	$(hide) mkdir -p $(dir $@)
+	$(hide) zip -qjX $@ $<
+	$(remove-timestamps-from-package)
+
+# Carry the public key for update_engine if it's a non-Brillo target that
+# uses the AB updater. We use the same key as otacerts but in RSA public key
+# format.
+ifeq ($(AB_OTA_UPDATER),true)
+ifeq ($(BRILLO),)
+ALL_DEFAULT_INSTALLED_MODULES += $(TARGET_OUT_ETC)/update_engine/update-payload-key.pub.pem
+$(TARGET_OUT_ETC)/update_engine/update-payload-key.pub.pem: $(addsuffix .x509.pem,$(DEFAULT_KEY_CERT_PAIR))
 	$(hide) rm -f $@
 	$(hide) mkdir -p $(dir $@)
-	$(hide) zip -qj $@ $<
+	$(hide) openssl x509 -pubkey -noout -in $< > $@
+
+ALL_DEFAULT_INSTALLED_MODULES += $(TARGET_RECOVERY_ROOT_OUT)/etc/update_engine/update-payload-key.pub.pem
+$(TARGET_RECOVERY_ROOT_OUT)/etc/update_engine/update-payload-key.pub.pem: $(TARGET_OUT_ETC)/update_engine/update-payload-key.pub.pem
+	$(hide) cp -f $< $@
+endif
+endif
 
 .PHONY: otacerts
 otacerts: $(TARGET_OUT_ETC)/security/otacerts.zip
@@ -679,6 +789,15 @@ INTERNAL_USERIMAGES_EXT_VARIANT := ext4
 endif
 endif
 endif
+ifeq ($(TARGET_USERIMAGES_USE_F2FS),true)
+INTERNAL_USERIMAGES_USE_F2FS := true
+ifeq ($(INTERNAL_USERIMAGES_EXT_VARIANT),)
+INTERNAL_USERIMAGES_EXT_VARIANT := f2fs
+endif
+endif
+ifeq ($(TARGET_USERIMAGES_USE_YAFFS),true)
+INTERNAL_USERIMAGES_USE_YAFFS := true
+endif
 
 # These options tell the recovery updater/installer how to mount the partitions writebale.
 # <fstype>=<fstype_opts>[|<fstype_opts>]...
@@ -691,69 +810,118 @@ ifneq (true,$(TARGET_USERIMAGES_SPARSE_EXT_DISABLED))
   INTERNAL_USERIMAGES_SPARSE_EXT_FLAG := -s
 endif
 
+INTERNAL_USERIMAGES_DEPS :=
 ifeq ($(INTERNAL_USERIMAGES_USE_EXT),true)
-INTERNAL_USERIMAGES_DEPS := $(SIMG2IMG)
 INTERNAL_USERIMAGES_DEPS += $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(E2FSCK)
-ifeq ($(TARGET_USERIMAGES_USE_F2FS),true)
+endif
+ifeq ($(INTERNAL_USERIMAGES_USE_F2FS),true)
 INTERNAL_USERIMAGES_DEPS += $(MKF2FSUSERIMG) $(MAKE_F2FS)
 endif
-else
-INTERNAL_USERIMAGES_DEPS := $(MKYAFFS2)
+ifeq ($(INTERNAL_USERIMAGES_USE_YAFFS),true)
+INTERNAL_USERIMAGES_DEPS += $(MKYAFFS2)
+endif
+
+ifneq (true,$(TARGET_USERIMAGES_SPARSE_SQUASHFS_DISABLED))
+  INTERNAL_USERIMAGES_SPARSE_SQUASHFS_FLAG := -s
 endif
+ifneq ($(filter $(BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE) $(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE),squashfs),)
+INTERNAL_USERIMAGES_DEPS += $(MAKE_SQUASHFS) $(MKSQUASHFSUSERIMG) $(IMG2SIMG)
+endif
+
+INTERNAL_USERIMAGES_DEPS += $(SIMG2IMG)
 
 INTERNAL_USERIMAGES_BINARY_PATHS := $(sort $(dir $(INTERNAL_USERIMAGES_DEPS)))
 
 ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY))
 INTERNAL_USERIMAGES_DEPS += $(BUILD_VERITY_TREE) $(APPEND2SIMG) $(VERITY_SIGNER)
+ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY_FEC))
+INTERNAL_USERIMAGES_DEPS += $(FEC)
+endif
 endif
 
-SELINUX_FC := $(TARGET_ROOT_OUT)/file_contexts
+SELINUX_FC := $(TARGET_ROOT_OUT)/file_contexts.bin
 INTERNAL_USERIMAGES_DEPS += $(SELINUX_FC)
 
+INTERNAL_USERIMAGES_DEPS += $(BLK_ALLOC_TO_BASE_FS)
+
 # $(1): the path of the output dictionary file
 # $(2): additional "key=value" pairs to append to the dictionary file.
 define generate-userimage-prop-dictionary
 $(if $(INTERNAL_USERIMAGES_EXT_VARIANT),$(hide) echo "fs_type=$(INTERNAL_USERIMAGES_EXT_VARIANT)" >> $(1))
 $(if $(BOARD_SYSTEMIMAGE_PARTITION_SIZE),$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "system_fs_type=$(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "system_extfs_inode_count=$(BOARD_SYSTEMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
 $(if $(BOARD_SYSTEMIMAGE_JOURNAL_SIZE),$(hide) echo "system_journal_size=$(BOARD_SYSTEMIMAGE_JOURNAL_SIZE)" >> $(1))
+$(if $(BOARD_HAS_EXT4_RESERVED_BLOCKS),$(hide) echo "has_ext4_reserved_blocks=$(BOARD_HAS_EXT4_RESERVED_BLOCKS)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "system_squashfs_compressor=$(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "system_squashfs_compressor_opt=$(BOARD_SYSTEMIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "system_squashfs_block_size=$(BOARD_SYSTEMIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "system_squashfs_disable_4k_align=$(BOARD_SYSTEMIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_BASE_FS_PATH),$(hide) echo "system_base_fs_file=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_BASE_FS_PATH)" >> $(1))
 $(if $(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "userdata_fs_type=$(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
 $(if $(BOARD_USERDATAIMAGE_PARTITION_SIZE),$(hide) echo "userdata_size=$(BOARD_USERDATAIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(BOARD_USERDATAEXTRAIMAGE_PARTITION_SIZE),$(hide) echo "userdataextra_size=$(BOARD_USERDATAEXTRAIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(BOARD_USERDATAEXTRAIMAGE_PARTITION_NAME),$(hide) echo "userdataextra_name=$(BOARD_USERDATAEXTRAIMAGE_PARTITION_NAME)" >> $(1))
 $(if $(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "cache_fs_type=$(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
 $(if $(BOARD_CACHEIMAGE_PARTITION_SIZE),$(hide) echo "cache_size=$(BOARD_CACHEIMAGE_PARTITION_SIZE)" >> $(1))
 $(if $(BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "vendor_fs_type=$(BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
+$(if $(BOARD_VENDORIMAGE_EXTFS_INODE_COUNT),$(hide) echo "vendor_extfs_inode_count=$(BOARD_VENDORIMAGE_EXTFS_INODE_COUNT)" >> $(1))
 $(if $(BOARD_VENDORIMAGE_PARTITION_SIZE),$(hide) echo "vendor_size=$(BOARD_VENDORIMAGE_PARTITION_SIZE)" >> $(1))
 $(if $(BOARD_VENDORIMAGE_JOURNAL_SIZE),$(hide) echo "vendor_journal_size=$(BOARD_VENDORIMAGE_JOURNAL_SIZE)" >> $(1))
+$(if $(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR),$(hide) echo "vendor_squashfs_compressor=$(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR)" >> $(1))
+$(if $(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR_OPT),$(hide) echo "vendor_squashfs_compressor_opt=$(BOARD_VENDORIMAGE_SQUASHFS_COMPRESSOR_OPT)" >> $(1))
+$(if $(BOARD_VENDORIMAGE_SQUASHFS_BLOCK_SIZE),$(hide) echo "vendor_squashfs_block_size=$(BOARD_VENDORIMAGE_SQUASHFS_BLOCK_SIZE)" >> $(1))
+$(if $(BOARD_VENDORIMAGE_SQUASHFS_DISABLE_4K_ALIGN),$(hide) echo "vendor_squashfs_disable_4k_align=$(BOARD_VENDORIMAGE_SQUASHFS_DISABLE_4K_ALIGN)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH),$(hide) echo "vendor_base_fs_file=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH)" >> $(1))
 $(if $(BOARD_OEMIMAGE_PARTITION_SIZE),$(hide) echo "oem_size=$(BOARD_OEMIMAGE_PARTITION_SIZE)" >> $(1))
 $(if $(BOARD_OEMIMAGE_JOURNAL_SIZE),$(hide) echo "oem_journal_size=$(BOARD_OEMIMAGE_JOURNAL_SIZE)" >> $(1))
+$(if $(BOARD_OEMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "oem_extfs_inode_count=$(BOARD_OEMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
 $(if $(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG),$(hide) echo "extfs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG)" >> $(1))
 $(if $(mkyaffs2_extra_flags),$(hide) echo "mkyaffs2_extra_flags=$(mkyaffs2_extra_flags)" >> $(1))
+$(if $(INTERNAL_USERIMAGES_SPARSE_SQUASHFS_FLAG),$(hide) echo "squashfs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_SQUASHFS_FLAG)" >> $(1))
 $(hide) echo "selinux_fc=$(SELINUX_FC)" >> $(1)
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_BOOT_SIGNER),$(hide) echo "boot_signer=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_BOOT_SIGNER)" >> $(1))
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),$(hide) echo "verity=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY)" >> $(1))
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),$(hide) echo "verity_key=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY)" >> $(1))
-$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),$(hide) echo "verity_signer_cmd=$(VERITY_SIGNER)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),$(hide) echo "verity_signer_cmd=$(notdir $(VERITY_SIGNER))" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY_FEC),$(hide) echo "verity_fec=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY_FEC)" >> $(1))
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_VERITY_PARTITION),$(hide) echo "system_verity_block_device=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_VERITY_PARTITION)" >> $(1))
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_VERITY_PARTITION),$(hide) echo "vendor_verity_block_device=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_VERITY_PARTITION)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "vboot=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "vboot_key=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "vboot_subkey=$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_SUBKEY)" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "futility=$(notdir $(FUTILITY))" >> $(1))
+$(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "vboot_signer_cmd=$(VBOOT_SIGNER)" >> $(1))
+$(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)),\
+    $(hide) echo "recovery_as_boot=true" >> $(1))
+$(if $(filter true,$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)),\
+    $(hide) echo "system_root_image=true" >> $(1);\
+    echo "ramdisk_dir=$(TARGET_ROOT_OUT)" >> $(1))
 $(if $(2),$(hide) $(foreach kv,$(2),echo "$(kv)" >> $(1);))
 endef
 
 # -----------------------------------------------------------------
 # Recovery image
 
-# If neither TARGET_NO_KERNEL nor TARGET_NO_RECOVERY are true
-ifeq (,$(filter true, $(TARGET_NO_KERNEL) $(TARGET_NO_RECOVERY)))
+# Recovery image exists if we are building recovery, or building recovery as boot.
+ifneq (,$(INSTALLED_RECOVERYIMAGE_TARGET)$(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)))
 
-INSTALLED_RECOVERYIMAGE_TARGET := $(PRODUCT_OUT)/recovery.img
+INTERNAL_RECOVERYIMAGE_FILES := $(filter $(TARGET_RECOVERY_OUT)/%, \
+    $(ALL_DEFAULT_INSTALLED_MODULES))
 
-recovery_initrc := $(call include-path-for, recovery)/etc/init.rc
+recovery_initrc := $(call project-path-for,recovery)/etc/init.rc
 recovery_sepolicy := $(call intermediates-dir-for,ETC,sepolicy.recovery)/sepolicy.recovery
 recovery_kernel := $(INSTALLED_KERNEL_TARGET) # same as a non-recovery system
 recovery_ramdisk := $(PRODUCT_OUT)/ramdisk-recovery.img
-recovery_build_prop := $(INSTALLED_BUILD_PROP_TARGET)
-recovery_binary := $(call intermediates-dir-for,EXECUTABLES,recovery)/recovery
-recovery_resources_common := $(call include-path-for, recovery)/res
+recovery_uncompressed_ramdisk := $(PRODUCT_OUT)/ramdisk-recovery.cpio
+recovery_build_prop := $(intermediate_system_build_prop)
+recovery_resources_common := $(call project-path-for,recovery)/res
 
 # Set recovery_density to the density bucket of the device.
 recovery_density := unknown
+ifneq (,$(TARGET_RECOVERY_DENSITY))
+recovery_density := $(filter %dpi,$(TARGET_RECOVERY_DENSITY))
+else
 ifneq (,$(PRODUCT_AAPT_PREF_CONFIG))
 # If PRODUCT_AAPT_PREF_CONFIG includes a dpi bucket, then use that value.
 recovery_density := $(filter %dpi,$(PRODUCT_AAPT_PREF_CONFIG))
@@ -761,6 +929,7 @@ else
 # Otherwise, use the default medium density.
 recovery_densities := mdpi
 endif
+endif
 
 ifneq (,$(wildcard $(recovery_resources_common)-$(recovery_density)))
 recovery_resources_common := $(recovery_resources_common)-$(recovery_density)
@@ -768,30 +937,65 @@ else
 recovery_resources_common := $(recovery_resources_common)-xhdpi
 endif
 
+ifneq (,$(RECOVERY_EXTRA_RESOURCE_DIR))
+recovery_resources_extra := $(strip \
+  $(wildcard $(RECOVERY_EXTRA_RESOURCE_DIR)/res-$(recovery_density)))
+endif
+
 # Select the 18x32 font on high-density devices (xhdpi and up); and
 # the 12x22 font on other devices.  Note that the font selected here
 # can be overridden for a particular device by putting a font.png in
 # its private recovery resources.
 
-ifneq (,$(filter xxxhdpi xxhdpi xhdpi,$(recovery_density)))
-recovery_font := $(call include-path-for, recovery)/fonts/18x32.png
+ifneq (,$(filter xxxhdpi 560dpi xxhdpi 400dpi xhdpi,$(recovery_density)))
+recovery_font := $(call project-path-for,recovery)/fonts/18x32.png
+else
+recovery_font := $(call project-path-for,recovery)/fonts/12x22.png
+endif
+
+ifneq ($(TARGET_RECOVERY_DEVICE_DIRS),)
+recovery_root_private := $(strip \
+  $(foreach d,$(TARGET_RECOVERY_DEVICE_DIRS), $(wildcard $(d)/recovery/root)))
 else
-recovery_font := $(call include-path-for, recovery)/fonts/12x22.png
+recovery_root_private := $(strip $(wildcard $(TARGET_DEVICE_DIR)/recovery/root))
+endif
+ifneq ($(recovery_root_private),)
+recovery_root_deps := $(shell find $(recovery_root_private) -type f)
 endif
 
-recovery_resources_private := $(strip $(wildcard $(TARGET_DEVICE_DIR)/recovery/res))
+ifndef TARGET_PRIVATE_RES_DIRS
+TARGET_PRIVATE_RES_DIRS := $(wildcard $(TARGET_DEVICE_DIR)/recovery/res)
+endif
 recovery_resource_deps := $(shell find $(recovery_resources_common) \
-  $(recovery_resources_private) -type f)
+  $(recovery_resources_extra) $(TARGET_PRIVATE_RES_DIRS) -type f)
 ifdef TARGET_RECOVERY_FSTAB
 recovery_fstab := $(TARGET_RECOVERY_FSTAB)
 else
 recovery_fstab := $(strip $(wildcard $(TARGET_DEVICE_DIR)/recovery.fstab))
 endif
+ifdef TARGET_RECOVERY_WIPE
+recovery_wipe := $(TARGET_RECOVERY_WIPE)
+else
+recovery_wipe :=
+endif
+
+# Prior to A/B update, we used to have:
+#   boot.img + recovery-from-boot.p + recovery-resource.dat = recovery.img.
+# recovery-resource.dat is needed only if we carry a patch of the boot and
+# recovery images and invoke install-recovery.sh on the first boot post an
+# OTA update.
+#
+# We no longer need that if one of the following conditions holds:
+#   a) We carry a full copy of the recovery image
+#      (BOARD_USES_FULL_RECOVERY_IMAGE = true);
+#   b) We build a single image that contains boot and recovery both
+#      (BOARD_USES_RECOVERY_AS_BOOT = true).
+
+ifeq (,$(filter true, $(BOARD_USES_FULL_RECOVERY_IMAGE) $(BOARD_USES_RECOVERY_AS_BOOT) $(TARGET_NOT_USE_GZIP_RECOVERY_RAMDISK)))
 # Named '.dat' so we don't attempt to use imgdiff for patching it.
 RECOVERY_RESOURCE_ZIP := $(TARGET_OUT)/etc/recovery-resource.dat
-
-ifeq ($(recovery_resources_private),)
-  $(info No private recovery resources for TARGET_DEVICE $(TARGET_DEVICE))
+else
+RECOVERY_RESOURCE_ZIP :=
 endif
 
 ifeq ($(recovery_fstab),)
@@ -805,6 +1009,11 @@ INTERNAL_RECOVERYIMAGE_ARGS := \
 
 # Assumes this has already been stripped
 ifdef BOARD_KERNEL_CMDLINE
+  ifdef BUILD_ENFORCE_SELINUX
+      ifneq (,$(filter androidboot.selinux=permissive androidboot.selinux=disabled, $(BOARD_KERNEL_CMDLINE)))
+          $(error "Trying to apply non-default selinux settings. Aborting")
+      endif
+  endif
   INTERNAL_RECOVERYIMAGE_ARGS += --cmdline "$(BOARD_KERNEL_CMDLINE)"
 endif
 ifdef BOARD_KERNEL_BASE
@@ -814,12 +1023,21 @@ BOARD_KERNEL_PAGESIZE := $(strip $(BOARD_KERNEL_PAGESIZE))
 ifdef BOARD_KERNEL_PAGESIZE
   INTERNAL_RECOVERYIMAGE_ARGS += --pagesize $(BOARD_KERNEL_PAGESIZE)
 endif
+ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
+  INTERNAL_RECOVERYIMAGE_ARGS += --dt $(INSTALLED_DTIMAGE_TARGET)
+  RECOVERYIMAGE_EXTRA_DEPS    := $(INSTALLED_DTIMAGE_TARGET)
+endif
 
 # Keys authorized to sign OTA packages this build will accept.  The
 # build always uses dev-keys for this; release packaging tools will
 # substitute other keys for this one.
 OTA_PUBLIC_KEYS := $(DEFAULT_SYSTEM_DEV_CERTIFICATE).x509.pem
 
+ifneq ($(OTA_PACKAGE_SIGNING_KEY),)
+    OTA_PUBLIC_KEYS := $(OTA_PACKAGE_SIGNING_KEY).x509.pem
+    PRODUCT_EXTRA_RECOVERY_KEYS := $(DEFAULT_SYSTEM_DEV_CERTIFICATE)
+endif
+
 # Generate a file containing the keys that will be read by the
 # recovery binary.
 RECOVERY_INSTALL_OTA_KEYS := \
@@ -833,53 +1051,150 @@ $(RECOVERY_INSTALL_OTA_KEYS): $(OTA_PUBLIC_KEYS) $(DUMPKEY_JAR) $(extra_keys)
 	@mkdir -p $(dir $@)
 	java -jar $(DUMPKEY_JAR) $(PRIVATE_OTA_PUBLIC_KEYS) $(extra_keys) > $@
 
-$(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTFS) $(MKBOOTIMG) $(MINIGZIP) \
+define build-recoveryramdisk
+  @echo ----- Making recovery ramdisk ------
+  $(hide) mkdir -p $(TARGET_RECOVERY_OUT)
+  $(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/etc $(TARGET_RECOVERY_ROOT_OUT)/sdcard $(TARGET_RECOVERY_ROOT_OUT)/tmp
+  @echo Copying baseline ramdisk...
+  $(hide) rsync -a --exclude=etc --exclude=sdcard --exclude=vendor $(IGNORE_CACHE_LINK) $(TARGET_ROOT_OUT) $(TARGET_RECOVERY_OUT) # "cp -Rf" fails to overwrite broken symlinks on Mac.
+  @echo Modifying ramdisk contents...
+  $(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/init*.rc
+  $(hide) cp -f $(recovery_initrc) $(TARGET_RECOVERY_ROOT_OUT)/
+  $(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
+  $(hide) cp -f $(recovery_sepolicy) $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
+  $(hide) cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/ || true # Ignore error when the src file doesn't exist.
+  $(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
+  $(hide) rm -rf $(TARGET_RECOVERY_ROOT_OUT)/res/*
+  $(hide) cp -rf $(recovery_resources_common)/* $(TARGET_RECOVERY_ROOT_OUT)/res
+  $(hide) $(foreach item,$(recovery_resources_extra), \
+    cp -rf $(item)/* $(TARGET_RECOVERY_ROOT_OUT)/res;)
+  $(hide) cp -f $(recovery_font) $(TARGET_RECOVERY_ROOT_OUT)/res/images/font.png
+  $(hide) $(foreach item,$(recovery_root_private), \
+    cp -rf $(item) $(TARGET_RECOVERY_OUT)/;)
+  $(hide) $(foreach item,$(TARGET_PRIVATE_RES_DIRS), \
+    cp -rf $(item) $(TARGET_RECOVERY_ROOT_OUT)/$(newline);)
+  $(hide) $(foreach item,$(recovery_fstab), \
+    cp -f $(item) $(TARGET_RECOVERY_ROOT_OUT)/etc/recovery.fstab;)
+  $(if $(strip $(recovery_wipe)), \
+    $(hide) cp -f $(recovery_wipe) $(TARGET_RECOVERY_ROOT_OUT)/etc/recovery.wipe)
+  $(hide) cp $(RECOVERY_INSTALL_OTA_KEYS) $(TARGET_RECOVERY_ROOT_OUT)/res/keys
+  $(hide) cat $(INSTALLED_DEFAULT_PROP_TARGET) $(recovery_build_prop) \
+          > $(TARGET_RECOVERY_ROOT_OUT)/default.prop
+  $(BOARD_RECOVERY_IMAGE_PREPARE)
+  $(if $(filter true,$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)), \
+    $(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/system_root; \
+            rm -rf $(TARGET_RECOVERY_ROOT_OUT)/system; \
+            ln -sf /system_root/system $(TARGET_RECOVERY_ROOT_OUT)/system) # Mount the system_root_image to /system_root and symlink /system.
+endef
+
+RECOVERYIMAGE_ID_FILE := $(PRODUCT_OUT)/recovery.id
+# $(1): output file
+define build-recoveryimage-target
+  $(if $(filter true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT)), \
+    $(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(1).unsigned, \
+    $(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(1) --id > $(RECOVERYIMAGE_ID_FILE))
+  $(if $(filter true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_BOOT_SIGNER)),\
+    $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)),\
+      $(BOOT_SIGNER) /boot $(1) $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).x509.pem $(1),\
+      $(BOOT_SIGNER) /recovery $(1) $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).x509.pem $(1)\
+    )\
+  )
+  $(if $(filter true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT)), \
+    $(VBOOT_SIGNER) $(FUTILITY) $(1).unsigned $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY).vbpubk $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_KEY).vbprivk $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VBOOT_SIGNING_SUBKEY).vbprivk $(1).keyblock $(1))
+  $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)), \
+    $(hide) $(call assert-max-image-size,$(1),$(BOARD_BOOTIMAGE_PARTITION_SIZE)), \
+    $(hide) $(call assert-max-image-size,$(1),$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)))
+  @echo ----- Made recovery image: $(1) --------
+endef
+
+ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_BOOT_SIGNER))
+$(INSTALLED_BOOTIMAGE_TARGET) : $(BOOT_SIGNER)
+endif
+ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT))
+$(INSTALLED_BOOTIMAGE_TARGET) : $(VBOOT_SIGNER)
+endif
+$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTFS) $(MKBOOTIMG) $(MINIGZIP) \
 		$(INSTALLED_RAMDISK_TARGET) \
-		$(INSTALLED_BOOTIMAGE_TARGET) \
-		$(recovery_binary) \
+		$(INTERNAL_RECOVERYIMAGE_FILES) \
 		$(recovery_initrc) $(recovery_sepolicy) $(recovery_kernel) \
 		$(INSTALLED_2NDBOOTLOADER_TARGET) \
 		$(recovery_build_prop) $(recovery_resource_deps) \
 		$(recovery_fstab) \
 		$(RECOVERY_INSTALL_OTA_KEYS)
-	@echo ----- Making recovery image ------
-	$(hide) rm -rf $(TARGET_RECOVERY_OUT)
-	$(hide) mkdir -p $(TARGET_RECOVERY_OUT)
-	$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/etc $(TARGET_RECOVERY_ROOT_OUT)/tmp
-	@echo Copying baseline ramdisk...
-	$(hide) cp -R $(TARGET_ROOT_OUT) $(TARGET_RECOVERY_OUT)
-	@echo Modifying ramdisk contents...
-	$(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/init*.rc
-	$(hide) cp -f $(recovery_initrc) $(TARGET_RECOVERY_ROOT_OUT)/
-	$(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
-	$(hide) cp -f $(recovery_sepolicy) $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
-	$(hide) -cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/
-	$(hide) cp -f $(recovery_binary) $(TARGET_RECOVERY_ROOT_OUT)/sbin/
-	$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
-	$(hide) rm -rf $(TARGET_RECOVERY_ROOT_OUT)/res/*
-	$(hide) cp -rf $(recovery_resources_common)/* $(TARGET_RECOVERY_ROOT_OUT)/res
-	$(hide) cp -f $(recovery_font) $(TARGET_RECOVERY_ROOT_OUT)/res/images/font.png
-	$(hide) $(foreach item,$(recovery_resources_private), \
-	  cp -rf $(item) $(TARGET_RECOVERY_ROOT_OUT)/)
-	$(hide) $(foreach item,$(recovery_fstab), \
-	  cp -f $(item) $(TARGET_RECOVERY_ROOT_OUT)/etc/recovery.fstab)
-	$(hide) cp $(RECOVERY_INSTALL_OTA_KEYS) $(TARGET_RECOVERY_ROOT_OUT)/res/keys
-	$(hide) cat $(INSTALLED_DEFAULT_PROP_TARGET) $(recovery_build_prop) \
-	        > $(TARGET_RECOVERY_ROOT_OUT)/default.prop
-	$(hide) $(MKBOOTFS) $(TARGET_RECOVERY_ROOT_OUT) | $(MINIGZIP) > $(recovery_ramdisk)
-	$(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
-ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY))
-	$(BOOT_SIGNER) /recovery $@ $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY).x509.pem $@
+	$(call pretty,"Target boot image from recovery: $@")
+	$(call build-recoveryramdisk)
+	$(hide) $(MKBOOTFS) $(TARGET_RECOVERY_ROOT_OUT) > $(recovery_uncompressed_ramdisk)
+	$(hide) $(RECOVERY_RAMDISK_COMPRESSOR) < $(recovery_uncompressed_ramdisk) > $(recovery_ramdisk)
+	$(call build-recoveryimage-target, $@)
 endif
-	$(hide) $(call assert-max-image-size,$@,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE))
-	@echo ----- Made recovery image: $@ --------
 
-$(RECOVERY_RESOURCE_ZIP): $(INSTALLED_RECOVERYIMAGE_TARGET)
-	$(hide) mkdir -p $(dir $@)
-	$(hide) find $(TARGET_RECOVERY_ROOT_OUT)/res -type f | sort | zip -0qrj $@ -@
+$(recovery_uncompressed_ramdisk): $(MKBOOTFS) \
+		$(INSTALLED_RAMDISK_TARGET) \
+		$(INSTALLED_BOOTIMAGE_TARGET) \
+		$(INTERNAL_RECOVERYIMAGE_FILES) \
+		$(recovery_initrc) $(recovery_sepolicy) \
+		$(INSTALLED_2NDBOOTLOADER_TARGET) \
+		$(recovery_build_prop) $(recovery_resource_deps) $(recovery_root_deps) \
+		$(recovery_fstab) \
+		$(RECOVERY_INSTALL_OTA_KEYS)
+	$(call build-recoveryramdisk)
+	@echo "----- Making uncompressed recovery ramdisk ------"
+	$(hide) $(MKBOOTFS) $(TARGET_RECOVERY_ROOT_OUT) > $@
+
+$(recovery_ramdisk): $(MINIGZIP) \
+		$(recovery_uncompressed_ramdisk)
+	@echo "----- Making compressed recovery ramdisk ------"
+	$(hide) $(RECOVERY_RAMDISK_COMPRESSOR) < $(recovery_uncompressed_ramdisk) > $@
+
+ifndef BOARD_CUSTOM_BOOTIMG_MK
+$(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTIMG) $(recovery_ramdisk) $(recovery_kernel) \
+		$(RECOVERYIMAGE_EXTRA_DEPS)
+	@echo "----- Making recovery image ------"
+	$(call build-recoveryimage-target, $@)
+endif # BOARD_CUSTOM_BOOTIMG_MK
 
+# The system partition needs room for the recovery image as well.  We
+# now store the recovery image as a binary patch using the boot image
+# as the source (since they are very similar).  Generate the patch so
+# we can see how big it's going to be, and include that in the system
+# image size check calculation.
+ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
+intermediates := $(call intermediates-dir-for,PACKAGING,recovery_patch)
+ifndef BOARD_CANT_BUILD_RECOVERY_FROM_BOOT_PATCH
+RECOVERY_FROM_BOOT_PATCH := $(intermediates)/recovery_from_boot.p
 else
-INSTALLED_RECOVERYIMAGE_TARGET :=
+RECOVERY_FROM_BOOT_PATCH :=
+endif
+$(RECOVERY_FROM_BOOT_PATCH): $(INSTALLED_RECOVERYIMAGE_TARGET) \
+                             $(INSTALLED_BOOTIMAGE_TARGET) \
+			     $(HOST_OUT_EXECUTABLES)/imgdiff \
+	                     $(HOST_OUT_EXECUTABLES)/bsdiff
+	@echo "Construct recovery from boot"
+	mkdir -p $(dir $@)
+ifeq ($(TARGET_NOT_USE_GZIP_RECOVERY_RAMDISK),true)
+	PATH=$(HOST_OUT_EXECUTABLES):$$PATH $(HOST_OUT_EXECUTABLES)/bsdiff $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_RECOVERYIMAGE_TARGET) $@
+else
+	PATH=$(HOST_OUT_EXECUTABLES):$$PATH $(HOST_OUT_EXECUTABLES)/imgdiff $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_RECOVERYIMAGE_TARGET) $@
+endif
+endif
+
+ifdef RECOVERY_RESOURCE_ZIP
+$(RECOVERY_RESOURCE_ZIP): $(INSTALLED_RECOVERYIMAGE_TARGET) | $(ZIPTIME)
+	$(hide) mkdir -p $(dir $@)
+	$(hide) find $(TARGET_RECOVERY_ROOT_OUT)/res -type f | sort | zip -0qrjX $@ -@
+	$(remove-timestamps-from-package)
+endif
+
+.PHONY: recoveryimage-nodeps
+recoveryimage-nodeps:
+	@echo "make $@: ignoring dependencies"
+	$(call build-recoveryramdisk)
+	$(hide) $(MKBOOTFS) $(TARGET_RECOVERY_ROOT_OUT) > $(recovery_uncompressed_ramdisk)
+	$(hide) $(RECOVERY_RAMDISK_COMPRESSOR) < $(recovery_uncompressed_ramdisk) > $(recovery_ramdisk)
+	$(call build-recoveryimage-target, $(INSTALLED_RECOVERYIMAGE_TARGET))
+
+else # INSTALLED_RECOVERYIMAGE_TARGET not defined
 RECOVERY_RESOURCE_ZIP :=
 endif
 
@@ -899,6 +1214,11 @@ else
 BOARD_NAND_SPARE_SIZE := 64
 endif
 
+ifdef BOARD_CUSTOM_BOOTIMG_MK
+include $(BOARD_CUSTOM_BOOTIMG_MK)
+endif
+
+
 # -----------------------------------------------------------------
 # system image
 #
@@ -909,12 +1229,12 @@ PDK_FUSION_SYSIMG_FILES := \
 
 INTERNAL_SYSTEMIMAGE_FILES := $(filter $(TARGET_OUT)/%, \
     $(ALL_PREBUILT) \
-    $(ALL_COPIED_HEADERS) \
     $(ALL_GENERATED_SOURCES) \
     $(ALL_DEFAULT_INSTALLED_MODULES) \
     $(PDK_FUSION_SYSIMG_FILES) \
     $(RECOVERY_RESOURCE_ZIP))
 
+
 FULL_SYSTEMIMAGE_DEPS := $(INTERNAL_SYSTEMIMAGE_FILES) $(INTERNAL_USERIMAGES_DEPS)
 # -----------------------------------------------------------------
 # installed file list
@@ -927,7 +1247,8 @@ $(INSTALLED_FILES_FILE): $(FULL_SYSTEMIMAGE_DEPS)
 	@echo Installed file list: $@
 	@mkdir -p $(dir $@)
 	@rm -f $@
-	$(hide) build/tools/fileslist.py $(TARGET_OUT) > $@
+	$(hide) build/tools/fileslist.py $(TARGET_OUT) > $(@:.txt=.json)
+	$(hide) build/tools/fileslist_util.py -c $(@:.txt=.json) > $@
 
 .PHONY: installed-file-list
 installed-file-list: $(INSTALLED_FILES_FILE)
@@ -939,7 +1260,7 @@ systemimage_intermediates := \
 BUILT_SYSTEMIMAGE := $(systemimage_intermediates)/system.img
 
 # Create symlink /system/vendor to /vendor if necessary.
-ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
+ifdef BOARD_USES_VENDORIMAGE
 define create-system-vendor-symlink
 $(hide) if [ -d $(TARGET_OUT)/vendor ] && [ ! -h $(TARGET_OUT)/vendor ]; then \
   echo 'Non-symlink $(TARGET_OUT)/vendor detected!' 1>&2; \
@@ -953,6 +1274,18 @@ define create-system-vendor-symlink
 endef
 endif
 
+# Only Create symlink /system/vendor to /vendor if necessary.
+ifdef BOARD_NEEDS_VENDORIMAGE_SYMLINK
+define create-system-vendor-symlink
+$(hide) if [ -d $(TARGET_OUT)/vendor ] && [ ! -h $(TARGET_OUT)/vendor ]; then \
+  echo 'Non-symlink $(TARGET_OUT)/vendor detected!' 1>&2; \
+  echo 'You cannot install files to $(TARGET_OUT)/vendor while building a separate vendor.img!' 1>&2; \
+  exit 1; \
+fi
+$(hide) ln -sf /vendor $(TARGET_OUT)/vendor
+endef
+endif
+
 # $(1): output file
 define build-systemimage-target
   @echo "Target system fs image: $(1)"
@@ -962,10 +1295,18 @@ define build-systemimage-target
       skip_fsck=true)
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       ./build/tools/releasetools/build_image.py \
-      $(TARGET_OUT) $(systemimage_intermediates)/system_image_info.txt $(1) \
+      $(TARGET_OUT) $(systemimage_intermediates)/system_image_info.txt $(1) $(TARGET_OUT) \
       || ( echo "Out of space? the tree size of $(TARGET_OUT) is (MB): " 1>&2 ;\
            du -sm $(TARGET_OUT) 1>&2;\
-           echo "The max is $$(( $(BOARD_SYSTEMIMAGE_PARTITION_SIZE) / 1048576 )) MB." 1>&2 ;\
+           if [ "$(INTERNAL_USERIMAGES_EXT_VARIANT)" == "ext4" ]; then \
+               maxsize=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE); \
+               if [ "$(BOARD_HAS_EXT4_RESERVED_BLOCKS)" == "true" ]; then \
+                   maxsize=$$((maxsize - 4096 * 4096)); \
+               fi; \
+               echo "The max is $$(( maxsize / 1048576 )) MB." 1>&2 ;\
+           else \
+               echo "The max is $$(( $(BOARD_SYSTEMIMAGE_PARTITION_SIZE) / 1048576 )) MB." 1>&2 ;\
+           fi; \
            mkdir -p $(DIST_DIR); cp $(INSTALLED_FILES_FILE) $(DIST_DIR)/installed-files-rescued.txt; \
            exit 1 )
 endef
@@ -973,26 +1314,17 @@ endef
 $(BUILT_SYSTEMIMAGE): $(FULL_SYSTEMIMAGE_DEPS) $(INSTALLED_FILES_FILE)
 	$(call build-systemimage-target,$@)
 
-INSTALLED_SYSTEMIMAGE := $(PRODUCT_OUT)/system.img
-SYSTEMIMAGE_SOURCE_DIR := $(TARGET_OUT)
-
-# The system partition needs room for the recovery image as well.  We
-# now store the recovery image as a binary patch using the boot image
-# as the source (since they are very similar).  Generate the patch so
-# we can see how big it's going to be, and include that in the system
-# image size check calculation.
-ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
-intermediates := $(call intermediates-dir-for,PACKAGING,recovery_patch)
-RECOVERY_FROM_BOOT_PATCH := $(intermediates)/recovery_from_boot.p
-$(RECOVERY_FROM_BOOT_PATCH): $(INSTALLED_RECOVERYIMAGE_TARGET) \
-                             $(INSTALLED_BOOTIMAGE_TARGET) \
-			     $(HOST_OUT_EXECUTABLES)/imgdiff \
-	                     $(HOST_OUT_EXECUTABLES)/bsdiff
-	@echo "Construct recovery from boot"
-	mkdir -p $(dir $@)
-	PATH=$(HOST_OUT_EXECUTABLES):$$PATH $(HOST_OUT_EXECUTABLES)/imgdiff $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_RECOVERYIMAGE_TARGET) $@
+ifndef I_WANT_A_QUAIL_STAR
+ifneq ($(WITHOUT_CHECK_API),true)
+$(BUILT_SYSTEMIMAGE): checkapi
+ifneq ($(TARGET_DISABLE_CMSDK),true)
+$(BUILT_SYSTEMIMAGE): checkapi-cm
+endif
+endif
 endif
 
+INSTALLED_SYSTEMIMAGE := $(PRODUCT_OUT)/system.img
+SYSTEMIMAGE_SOURCE_DIR := $(TARGET_OUT)
 
 $(INSTALLED_SYSTEMIMAGE): $(BUILT_SYSTEMIMAGE) $(RECOVERY_FROM_BOOT_PATCH) | $(ACP)
 	@echo "Install system fs image: $@"
@@ -1021,7 +1353,7 @@ define build-systemtarball-target
   $(call create-system-vendor-symlink)
   $(MKTARBALL) $(FS_GET_STATS) \
     $(PRODUCT_OUT) system $(PRIVATE_SYSTEM_TAR) \
-    $(INSTALLED_SYSTEMTARBALL_TARGET)
+    $(INSTALLED_SYSTEMTARBALL_TARGET) $(TARGET_OUT)
 endef
 
 ifndef SYSTEM_TARBALL_FORMAT
@@ -1042,32 +1374,72 @@ systemtarball-nodeps: $(FS_GET_STATS) \
 .PHONY: stnod
 stnod: systemtarball-nodeps
 
-#######
+# -----------------------------------------------------------------
 ## platform.zip: system, plus other files to be used in PDK fusion build,
 ## in a zip file
 ##
 ## PDK_PLATFORM_ZIP_PRODUCT_BINARIES is used to store specified files to platform.zip.
 ## The variable will be typically set from BoardConfig.mk.
 ## Files under out dir will be rejected to prevent possible conflicts with other rules.
+pdk_odex_javalibs := $(strip $(foreach m,$(DEXPREOPT.MODULES.JAVA_LIBRARIES),\
+  $(if $(filter $(DEXPREOPT.$(m).INSTALLED),$(ALL_DEFAULT_INSTALLED_MODULES)),$(m))))
+pdk_odex_apps := $(strip $(foreach m,$(DEXPREOPT.MODULES.APPS),\
+  $(if $(filter $(DEXPREOPT.$(m).INSTALLED),$(ALL_DEFAULT_INSTALLED_MODULES)),$(m))))
+pdk_classes_dex := $(strip \
+  $(foreach m,$(pdk_odex_javalibs),$(call intermediates-dir-for,JAVA_LIBRARIES,$(m),,COMMON)/javalib.jar) \
+  $(foreach m,$(pdk_odex_apps),$(call intermediates-dir-for,APPS,$(m))/package.dex.apk))
+
+pdk_odex_config_mk := $(PRODUCT_OUT)/pdk_dexpreopt_config.mk
+$(pdk_odex_config_mk): PRIVATE_JAVA_LIBRARIES := $(pdk_odex_javalibs)
+$(pdk_odex_config_mk): PRIVATE_APPS := $(pdk_odex_apps)
+$(pdk_odex_config_mk) :
+	@echo "PDK odex config makefile: $@"
+	$(hide) mkdir -p $(dir $@)
+	$(hide) echo "# Auto-generated. Do not modify." > $@
+	$(hide) echo "PDK.DEXPREOPT.JAVA_LIBRARIES:=$(PRIVATE_JAVA_LIBRARIES)" >> $@
+	$(hide) echo "PDK.DEXPREOPT.APPS:=$(PRIVATE_APPS)" >> $@
+	$(foreach m,$(PRIVATE_JAVA_LIBRARIES),\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).SRC:=$(patsubst $(OUT_DIR)/%,%,$(call intermediates-dir-for,JAVA_LIBRARIES,$(m),,COMMON)/javalib.jar)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT:=$(DEXPREOPT.$(m).DEX_PREOPT)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).MULTILIB:=$(DEXPREOPT.$(m).MULTILIB)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT_FLAGS:=$(DEXPREOPT.$(m).DEX_PREOPT_FLAGS)" >> $@$(newline)\
+	  )
+	$(foreach m,$(PRIVATE_APPS),\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).SRC:=$(patsubst $(OUT_DIR)/%,%,$(call intermediates-dir-for,APPS,$(m))/package.dex.apk)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT:=$(DEXPREOPT.$(m).DEX_PREOPT)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).MULTILIB:=$(DEXPREOPT.$(m).MULTILIB)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT_FLAGS:=$(DEXPREOPT.$(m).DEX_PREOPT_FLAGS)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).PRIVILEGED_MODULE:=$(DEXPREOPT.$(m).PRIVILEGED_MODULE)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).PROPRIETARY_MODULE:=$(DEXPREOPT.$(m).PROPRIETARY_MODULE)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).TARGET_ARCH:=$(DEXPREOPT.$(m).TARGET_ARCH)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).STRIPPED_SRC:=$(patsubst $(PRODUCT_OUT)/%,%,$(DEXPREOPT.$(m).INSTALLED_STRIPPED))" >> $@$(newline)\
+	  )
+
 PDK_PLATFORM_ZIP_PRODUCT_BINARIES := $(filter-out $(OUT_DIR)/%,$(PDK_PLATFORM_ZIP_PRODUCT_BINARIES))
 INSTALLED_PLATFORM_ZIP := $(PRODUCT_OUT)/platform.zip
-$(INSTALLED_PLATFORM_ZIP) : $(INTERNAL_SYSTEMIMAGE_FILES)
+
+$(INSTALLED_PLATFORM_ZIP): PRIVATE_DEX_FILES := $(pdk_classes_dex)
+$(INSTALLED_PLATFORM_ZIP): PRIVATE_ODEX_CONFIG := $(pdk_odex_config_mk)
+$(INSTALLED_PLATFORM_ZIP) : $(INTERNAL_SYSTEMIMAGE_FILES) $(pdk_odex_config_mk)
 	$(call pretty,"Platform zip package: $(INSTALLED_PLATFORM_ZIP)")
 	$(hide) rm -f $@
-	$(hide) cd $(dir $@) && zip -qry $(notdir $@) \
+	$(hide) cd $(dir $@) && zip -qryX $(notdir $@) \
 		$(TARGET_COPY_OUT_SYSTEM) \
 		$(patsubst $(PRODUCT_OUT)/%, %, $(TARGET_OUT_NOTICE_FILES)) \
 		$(addprefix symbols/,$(PDK_SYMBOL_FILES_LIST))
 ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
-	$(hide) cd $(dir $@) && zip -qry $(notdir $@) \
+	$(hide) cd $(dir $@) && zip -qryX $(notdir $@) \
 		$(TARGET_COPY_OUT_VENDOR)
 endif
 ifneq ($(PDK_PLATFORM_JAVA_ZIP_CONTENTS),)
-	$(hide) cd $(OUT_DIR) && zip -qry $(patsubst $(OUT_DIR)/%,%,$@) $(PDK_PLATFORM_JAVA_ZIP_CONTENTS)
+	$(hide) cd $(OUT_DIR) && zip -qryX $(patsubst $(OUT_DIR)/%,%,$@) $(PDK_PLATFORM_JAVA_ZIP_CONTENTS)
 endif
 ifneq ($(PDK_PLATFORM_ZIP_PRODUCT_BINARIES),)
-	$(hide) zip -qry $@ $(PDK_PLATFORM_ZIP_PRODUCT_BINARIES)
+	$(hide) zip -qryX $@ $(PDK_PLATFORM_ZIP_PRODUCT_BINARIES)
 endif
+	@# Add dex-preopt files and config.
+	$(if $(PRIVATE_DEX_FILES),$(hide) cd $(OUT_DIR) && zip -qryX $(patsubst $(OUT_DIR)/%,%,$@ $(PRIVATE_DEX_FILES)))
+	$(hide) zip -qryXj $@ $(PRIVATE_ODEX_CONFIG)
 
 .PHONY: platform
 platform: $(INSTALLED_PLATFORM_ZIP)
@@ -1080,7 +1452,7 @@ ifneq (,$(filter platform platform-java, $(MAKECMDGOALS)))
 $(call dist-for-goals, platform platform-java, $(INSTALLED_PLATFORM_ZIP))
 endif
 
-#######
+# -----------------------------------------------------------------
 ## boot tarball
 define build-boottarball-target
     $(hide) echo "Target boot fs tarball: $(INSTALLED_BOOTTARBALL_TARGET)"
@@ -1089,7 +1461,7 @@ define build-boottarball-target
     $(hide) echo $(BOARD_KERNEL_CMDLINE) > $(PRODUCT_OUT)/boot/cmdline
     $(hide) $(MKTARBALL) $(FS_GET_STATS) \
                  $(PRODUCT_OUT) boot $(PRIVATE_BOOT_TAR) \
-                 $(INSTALLED_BOOTTARBALL_TARGET)
+                 $(INSTALLED_BOOTTARBALL_TARGET) $(TARGET_OUT)
 endef
 
 ifndef BOOT_TARBALL_FORMAT
@@ -1133,7 +1505,7 @@ define build-userdataimage-target
   $(call generate-userimage-prop-dictionary, $(userdataimage_intermediates)/userdata_image_info.txt, skip_fsck=true)
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       ./build/tools/releasetools/build_image.py \
-      $(TARGET_OUT_DATA) $(userdataimage_intermediates)/userdata_image_info.txt $(INSTALLED_USERDATAIMAGE_TARGET)
+      $(TARGET_OUT_DATA) $(userdataimage_intermediates)/userdata_image_info.txt $(INSTALLED_USERDATAIMAGE_TARGET) $(TARGET_OUT)
   $(hide) $(call assert-max-image-size,$(INSTALLED_USERDATAIMAGE_TARGET),$(BOARD_USERDATAIMAGE_PARTITION_SIZE))
 endef
 
@@ -1157,7 +1529,7 @@ define build-userdatatarball-target
                   "$(INSTALLED_USERDATATARBALL_TARGET)")
     $(MKTARBALL) $(FS_GET_STATS) \
 		$(PRODUCT_OUT) data $(PRIVATE_USERDATA_TAR) \
-		$(INSTALLED_USERDATATARBALL_TARGET)
+		$(INSTALLED_USERDATATARBALL_TARGET) $(TARGET_OUT)
 endef
 
 userdata_tar := $(PRODUCT_OUT)/userdata.tar
@@ -1166,6 +1538,8 @@ $(INSTALLED_USERDATATARBALL_TARGET): PRIVATE_USERDATA_TAR := $(userdata_tar)
 $(INSTALLED_USERDATATARBALL_TARGET): $(FS_GET_STATS) $(INTERNAL_USERDATAIMAGE_FILES)
 	$(build-userdatatarball-target)
 
+$(call dist-for-goals,userdatatarball,$(INSTALLED_USERDATATARBALL_TARGET))
+
 .PHONY: userdatatarball-nodeps
 userdatatarball-nodeps: $(FS_GET_STATS)
 	$(build-userdatatarball-target)
@@ -1188,7 +1562,7 @@ define build-cacheimage-target
   $(call generate-userimage-prop-dictionary, $(cacheimage_intermediates)/cache_image_info.txt, skip_fsck=true)
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       ./build/tools/releasetools/build_image.py \
-      $(TARGET_OUT_CACHE) $(cacheimage_intermediates)/cache_image_info.txt $(INSTALLED_CACHEIMAGE_TARGET)
+      $(TARGET_OUT_CACHE) $(cacheimage_intermediates)/cache_image_info.txt $(INSTALLED_CACHEIMAGE_TARGET) $(TARGET_OUT)
   $(hide) $(call assert-max-image-size,$(INSTALLED_CACHEIMAGE_TARGET),$(BOARD_CACHEIMAGE_PARTITION_SIZE))
 endef
 
@@ -1201,9 +1575,65 @@ $(INSTALLED_CACHEIMAGE_TARGET): $(INTERNAL_USERIMAGES_DEPS) $(INTERNAL_CACHEIMAG
 cacheimage-nodeps: | $(INTERNAL_USERIMAGES_DEPS)
 	$(build-cacheimage-target)
 
+else # BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
+# we need to ignore the broken cache link when doing the rsync
+IGNORE_CACHE_LINK := --exclude=cache
 endif # BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
 
 
+# -----------------------------------------------------------------
+# system_other partition image
+ifeq ($(BOARD_USES_SYSTEM_OTHER_ODEX),true)
+BOARD_USES_SYSTEM_OTHER := true
+
+# Marker file to identify that odex files are installed
+INSTALLED_SYSTEM_OTHER_ODEX_MARKER := $(TARGET_OUT_SYSTEM_OTHER)/system-other-odex-marker
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_SYSTEM_OTHER_ODEX_MARKER)
+$(INSTALLED_SYSTEM_OTHER_ODEX_MARKER):
+	$(hide) touch $@
+endif
+
+ifdef BOARD_USES_SYSTEM_OTHER
+INTERNAL_SYSTEMOTHERIMAGE_FILES := \
+    $(filter $(TARGET_OUT_SYSTEM_OTHER)/%,\
+      $(ALL_DEFAULT_INSTALLED_MODULES)\
+      $(ALL_PDK_FUSION_FILES))
+
+INSTALLED_FILES_FILE_SYSTEMOTHER := $(PRODUCT_OUT)/installed-files-system-other.txt
+$(INSTALLED_FILES_FILE_SYSTEMOTHER) : $(INTERNAL_SYSTEMOTHERIMAGE_FILES)
+	@echo Installed file list: $@
+	@mkdir -p $(dir $@)
+	@rm -f $@
+	$(hide) build/tools/fileslist.py $(TARGET_OUT_SYSTEM_OTHER) > $@
+
+systemotherimage_intermediates := \
+    $(call intermediates-dir-for,PACKAGING,system_other)
+BUILT_SYSTEMOTHERIMAGE_TARGET := $(PRODUCT_OUT)/system_other.img
+
+# Note that we assert the size is SYSTEMIMAGE_PARTITION_SIZE since this is the 'b' system image.
+define build-systemotherimage-target
+  $(call pretty,"Target system_other fs image: $(INSTALLED_SYSTEMOTHERIMAGE_TARGET)")
+  @mkdir -p $(TARGET_OUT_SYSTEM_OTHER)
+  @mkdir -p $(systemotherimage_intermediates) && rm -rf $(systemotherimage_intermediates)/system_other_image_info.txt
+  $(call generate-userimage-prop-dictionary, $(systemotherimage_intermediates)/system_other_image_info.txt, skip_fsck=true)
+  $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
+      ./build/tools/releasetools/build_image.py \
+      $(TARGET_OUT_SYSTEM_OTHER) $(systemotherimage_intermediates)/system_other_image_info.txt $(INSTALLED_SYSTEMOTHERIMAGE_TARGET) $(TARGET_OUT)
+  $(hide) $(call assert-max-image-size,$(INSTALLED_SYSTEMOTHERIMAGE_TARGET),$(BOARD_SYSTEMIMAGE_PARTITION_SIZE))
+endef
+
+# We just build this directly to the install location.
+INSTALLED_SYSTEMOTHERIMAGE_TARGET := $(BUILT_SYSTEMOTHERIMAGE_TARGET)
+$(INSTALLED_SYSTEMOTHERIMAGE_TARGET): $(INTERNAL_USERIMAGES_DEPS) $(INTERNAL_SYSTEMOTHERIMAGE_FILES) $(INSTALLED_FILES_FILE_SYSTEMOTHER)
+	$(build-systemotherimage-target)
+
+.PHONY: systemotherimage-nodeps
+systemotherimage-nodeps: | $(INTERNAL_USERIMAGES_DEPS)
+	$(build-systemotherimage-target)
+
+endif # BOARD_USES_SYSTEM_OTHER
+
+
 # -----------------------------------------------------------------
 # vendor partition image
 ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
@@ -1215,6 +1645,14 @@ INTERNAL_VENDORIMAGE_FILES := \
 # platform.zip depends on $(INTERNAL_VENDORIMAGE_FILES).
 $(INSTALLED_PLATFORM_ZIP) : $(INTERNAL_VENDORIMAGE_FILES)
 
+INSTALLED_FILES_FILE_VENDOR := $(PRODUCT_OUT)/installed-files-vendor.txt
+$(INSTALLED_FILES_FILE_VENDOR) : $(INTERNAL_VENDORIMAGE_FILES)
+	@echo Installed file list: $@
+	@mkdir -p $(dir $@)
+	@rm -f $@
+	$(hide) build/tools/fileslist.py $(TARGET_OUT_VENDOR) > $(@:.txt=.json)
+	$(hide) build/tools/fileslist_util.py -c $(@:.txt=.json) > $@
+
 vendorimage_intermediates := \
     $(call intermediates-dir-for,PACKAGING,vendor)
 BUILT_VENDORIMAGE_TARGET := $(PRODUCT_OUT)/vendor.img
@@ -1226,20 +1664,23 @@ define build-vendorimage-target
   $(call generate-userimage-prop-dictionary, $(vendorimage_intermediates)/vendor_image_info.txt, skip_fsck=true)
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       ./build/tools/releasetools/build_image.py \
-      $(TARGET_OUT_VENDOR) $(vendorimage_intermediates)/vendor_image_info.txt $(INSTALLED_VENDORIMAGE_TARGET)
+      $(TARGET_OUT_VENDOR) $(vendorimage_intermediates)/vendor_image_info.txt $(INSTALLED_VENDORIMAGE_TARGET) $(TARGET_OUT)
   $(hide) $(call assert-max-image-size,$(INSTALLED_VENDORIMAGE_TARGET),$(BOARD_VENDORIMAGE_PARTITION_SIZE))
 endef
 
 # We just build this directly to the install location.
 INSTALLED_VENDORIMAGE_TARGET := $(BUILT_VENDORIMAGE_TARGET)
-$(INSTALLED_VENDORIMAGE_TARGET): $(INTERNAL_USERIMAGES_DEPS) $(INTERNAL_VENDORIMAGE_FILES)
+$(INSTALLED_VENDORIMAGE_TARGET): $(INTERNAL_USERIMAGES_DEPS) $(INTERNAL_VENDORIMAGE_FILES) $(INSTALLED_FILES_FILE_VENDOR)
 	$(build-vendorimage-target)
 
 .PHONY: vendorimage-nodeps
 vendorimage-nodeps: | $(INTERNAL_USERIMAGES_DEPS)
 	$(build-vendorimage-target)
 
-endif # BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
+else ifdef BOARD_PREBUILT_VENDORIMAGE
+INSTALLED_VENDORIMAGE_TARGET := $(PRODUCT_OUT)/vendor.img
+$(eval $(call copy-one-file,$(BOARD_PREBUILT_VENDORIMAGE),$(INSTALLED_VENDORIMAGE_TARGET)))
+endif
 
 # -----------------------------------------------------------------
 # bring in the installer image generation defines if necessary
@@ -1250,31 +1691,121 @@ endif
 # -----------------------------------------------------------------
 # host tools needed to build dist and OTA packages
 
-DISTTOOLS :=  $(HOST_OUT_EXECUTABLES)/minigzip \
-	  $(HOST_OUT_EXECUTABLES)/mkbootfs \
-	  $(HOST_OUT_EXECUTABLES)/mkbootimg \
-	  $(HOST_OUT_EXECUTABLES)/fs_config \
-	  $(HOST_OUT_EXECUTABLES)/mkyaffs2image \
-	  $(HOST_OUT_EXECUTABLES)/zipalign \
-	  $(HOST_OUT_EXECUTABLES)/bsdiff \
-	  $(HOST_OUT_EXECUTABLES)/imgdiff \
-	  $(HOST_OUT_JAVA_LIBRARIES)/dumpkey.jar \
-	  $(HOST_OUT_JAVA_LIBRARIES)/signapk.jar \
-	  $(HOST_OUT_EXECUTABLES)/mkuserimg.sh \
-	  $(HOST_OUT_EXECUTABLES)/make_ext4fs \
-	  $(HOST_OUT_EXECUTABLES)/simg2img \
-	  $(HOST_OUT_EXECUTABLES)/e2fsck \
-	  $(HOST_OUT_EXECUTABLES)/build_verity_tree \
-	  $(HOST_OUT_EXECUTABLES)/verity_signer \
-	  $(HOST_OUT_EXECUTABLES)/append2simg \
-	  $(HOST_OUT_EXECUTABLES)/boot_signer
-
-OTATOOLS := $(DISTTOOLS) \
-	  $(HOST_OUT_EXECUTABLES)/aapt
+build_ota_package := true
+ifeq ($(TARGET_SKIP_OTA_PACKAGE),true)
+build_ota_package := false
+endif
+ifneq ($(strip $(SANITIZE_TARGET)),)
+build_ota_package := false
+endif
+ifeq ($(TARGET_PRODUCT),sdk)
+build_ota_package := false
+endif
+ifneq ($(filter generic%,$(TARGET_DEVICE)),)
+build_ota_package := false
+endif
+ifeq ($(TARGET_NO_KERNEL),true)
+build_ota_package := false
+endif
+ifeq ($(recovery_fstab),)
+build_ota_package := false
+endif
+ifeq ($(TARGET_BUILD_PDK),true)
+build_ota_package := false
+endif
+
+ifeq ($(build_ota_package),true)
+OTATOOLS :=  $(HOST_OUT_EXECUTABLES)/minigzip \
+  $(HOST_OUT_EXECUTABLES)/aapt \
+  $(HOST_OUT_EXECUTABLES)/adb \
+  $(HOST_OUT_EXECUTABLES)/mkbootfs \
+  $(HOST_OUT_EXECUTABLES)/mkbootimg \
+  $(HOST_OUT_EXECUTABLES)/unpackbootimg \
+  $(HOST_OUT_EXECUTABLES)/fs_config \
+  $(HOST_OUT_EXECUTABLES)/mkyaffs2image \
+  $(HOST_OUT_EXECUTABLES)/zipalign \
+  $(HOST_OUT_EXECUTABLES)/bsdiff \
+  $(HOST_OUT_EXECUTABLES)/imgdiff \
+  $(HOST_OUT_JAVA_LIBRARIES)/dumpkey.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/signapk.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/BootSignature.jar \
+  $(HOST_OUT_EXECUTABLES)/mkuserimg.sh \
+  $(HOST_OUT_EXECUTABLES)/make_ext4fs \
+  $(HOST_OUT_EXECUTABLES)/mksquashfsimage.sh \
+  $(HOST_OUT_EXECUTABLES)/mksquashfs \
+  $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg.sh \
+  $(HOST_OUT_EXECUTABLES)/make_f2fs \
+  $(HOST_OUT_EXECUTABLES)/simg2img \
+  $(HOST_OUT_EXECUTABLES)/e2fsck \
+  $(HOST_OUT_EXECUTABLES)/build_verity_tree \
+  $(HOST_OUT_EXECUTABLES)/verity_signer \
+  $(HOST_OUT_EXECUTABLES)/verity_verifier \
+  $(HOST_OUT_EXECUTABLES)/append2simg \
+  $(HOST_OUT_EXECUTABLES)/img2simg \
+  $(HOST_OUT_EXECUTABLES)/boot_signer \
+  $(HOST_OUT_EXECUTABLES)/fec \
+  $(HOST_OUT_EXECUTABLES)/brillo_update_payload \
+  $(HOST_OUT_EXECUTABLES)/lib/shflags/shflags \
+  $(HOST_OUT_EXECUTABLES)/delta_generator \
+  $(BLK_ALLOC_TO_BASE_FS) \
+  $(FUTILITY) \
+  $(VBOOT_SIGNER)
+
+# Shared libraries.
+OTATOOLS += \
+  $(HOST_LIBRARY_PATH)/libc++$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/liblog$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libcutils$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libselinux$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libcrypto-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libdivsufsort$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libdivsufsort64$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2fs-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2_blkid-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2_com_err-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2_e2p-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2_profile-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2_quota-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libext2_uuid-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libf2fs_fmt_host_dyn$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libconscrypt_openjdk_jni$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libbrillo$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libbrillo-stream$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libbrillo-http$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libchrome$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libcurl-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libevent-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libprotobuf-cpp-lite$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libssl-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libz-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libbase$(HOST_SHLIB_SUFFIX)
 
 .PHONY: otatools
 otatools: $(OTATOOLS)
 
+BUILT_OTATOOLS_PACKAGE := $(PRODUCT_OUT)/otatools.zip
+$(BUILT_OTATOOLS_PACKAGE): zip_root := $(call intermediates-dir-for,PACKAGING,otatools)/otatools
+
+$(BUILT_OTATOOLS_PACKAGE): $(OTATOOLS) | $(ACP)
+	@echo "Package OTA tools: $@"
+	$(hide) rm -rf $@ $(zip_root)
+	$(hide) mkdir -p $(dir $@) $(zip_root)/bin $(zip_root)/framework $(zip_root)/releasetools $(zip_root)/system/extras/verity $(zip_root)/external/vboot_reference/tests/devkeys $(zip_root)/vendor/cm/build/tools
+	$(call copy-files-with-structure,$(OTATOOLS),$(HOST_OUT)/,$(zip_root))
+	$(hide) $(ACP) $(HOST_OUT_JAVA_LIBRARIES)/VeritySigner.jar $(zip_root)/framework/
+	$(hide) $(ACP) -p system/extras/verity/build_verity_metadata.py $(zip_root)/system/extras/verity/
+	$(hide) $(ACP) -p -r external/vboot_reference/tests/devkeys/* $(zip_root)/external/vboot_reference/tests/devkeys
+	$(hide) $(ACP) -r -d -p build/tools/releasetools/* $(zip_root)/releasetools
+	$(hide) $(ACP) -p vendor/cm/build/tools/getb64key.py $(zip_root)/vendor/cm/build/tools/
+	$(hide) rm -rf $@ $(zip_root)/releasetools/*.pyc
+	$(hide) (cd $(zip_root) && zip -qryX $(abspath $@) *)
+	$(hide) zip -qryX $(abspath $@) build/target/product/security/
+	$(hide) find device vendor -name \*.pk8 -o -name verifiedboot\* -o -name \*.x509.pem -o -name oem\*.prop | xargs zip -qryX $(abspath $@)>/dev/null || true
+
+.PHONY: otatools-package
+otatools-package: $(BUILT_OTATOOLS_PACKAGE)
+
+endif # build_ota_package
+
 # -----------------------------------------------------------------
 # A zip of the directories that map to the target filesystem.
 # This zip can be used to create an OTA package or filesystem image
@@ -1302,12 +1833,14 @@ define package_files-copy-root
   fi
 endef
 
-built_ota_tools := \
-	$(call intermediates-dir-for,EXECUTABLES,applypatch)/applypatch \
-	$(call intermediates-dir-for,EXECUTABLES,applypatch_static)/applypatch_static \
-	$(call intermediates-dir-for,EXECUTABLES,check_prereq)/check_prereq \
-	$(call intermediates-dir-for,EXECUTABLES,sqlite3)/sqlite3 \
-	$(call intermediates-dir-for,EXECUTABLES,updater)/updater
+built_ota_tools :=
+
+# We can't build static executables when SANITIZE_TARGET=address
+ifeq ($(strip $(SANITIZE_TARGET)),)
+built_ota_tools += \
+    $(call intermediates-dir-for,EXECUTABLES,updater,,,$(TARGET_PREFER_32_BIT))/updater
+endif
+
 $(BUILT_TARGET_FILES_PACKAGE): PRIVATE_OTA_TOOLS := $(built_ota_tools)
 
 $(BUILT_TARGET_FILES_PACKAGE): PRIVATE_RECOVERY_API_VERSION := $(RECOVERY_API_VERSION)
@@ -1320,8 +1853,36 @@ else
 $(BUILT_TARGET_FILES_PACKAGE): tool_extensions := $(TARGET_RELEASETOOLS_EXTENSIONS)
 endif
 
+# Build OTA tools if not using the AB Updater.
+ifneq ($(AB_OTA_UPDATER),true)
+$(BUILT_TARGET_FILES_PACKAGE): $(built_ota_tools)
+endif
+
+# If we are using recovery as boot, output recovery files to BOOT/.
+ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+$(BUILT_TARGET_FILES_PACKAGE): PRIVATE_RECOVERY_OUT := BOOT
+else
+$(BUILT_TARGET_FILES_PACKAGE): PRIVATE_RECOVERY_OUT := RECOVERY
+endif
+
+ifeq ($(BOARD_USES_UBOOT_MULTIIMAGE),true)
+
+  ZIP_SAVE_UBOOTIMG_ARGS := -A ARM -O Linux -T multi -C none -n Image
+
+  BOARD_UBOOT_ENTRY := $(strip $(BOARD_UBOOT_ENTRY))
+  ifdef BOARD_UBOOT_ENTRY
+    ZIP_SAVE_UBOOTIMG_ARGS += -e $(BOARD_UBOOT_ENTRY)
+  endif
+  BOARD_UBOOT_LOAD := $(strip $(BOARD_UBOOT_LOAD))
+  ifdef BOARD_UBOOT_LOAD
+    ZIP_SAVE_UBOOTIMG_ARGS += -a $(BOARD_UBOOT_LOAD)
+  endif
+
+endif
+
 # Depending on the various images guarantees that the underlying
 # directories are up-to-date.
+include $(BUILD_SYSTEM)/tasks/oem_image.mk
 $(BUILT_TARGET_FILES_PACKAGE): \
 		$(INSTALLED_BOOTIMAGE_TARGET) \
 		$(INSTALLED_RADIOIMAGE_TARGET) \
@@ -1330,39 +1891,64 @@ $(BUILT_TARGET_FILES_PACKAGE): \
 		$(INSTALLED_USERDATAIMAGE_TARGET) \
 		$(INSTALLED_CACHEIMAGE_TARGET) \
 		$(INSTALLED_VENDORIMAGE_TARGET) \
+		$(INSTALLED_SYSTEMOTHERIMAGE_TARGET) \
+		$(INSTALLED_OEMIMAGE_TARGET) \
 		$(INSTALLED_ANDROID_INFO_TXT_TARGET) \
 		$(SELINUX_FC) \
-		$(built_ota_tools) \
 		$(APKCERTS_FILE) \
 		$(HOST_OUT_EXECUTABLES)/fs_config \
 		| $(ACP)
 	@echo "Package target files: $@"
 	$(hide) rm -rf $@ $(zip_root)
 	$(hide) mkdir -p $(dir $@) $(zip_root)
+ifneq (,$(INSTALLED_RECOVERYIMAGE_TARGET)$(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)))
 	@# Components of the recovery image
-	$(hide) mkdir -p $(zip_root)/RECOVERY
+	$(hide) mkdir -p $(zip_root)/$(PRIVATE_RECOVERY_OUT)
 	$(hide) $(call package_files-copy-root, \
-		$(TARGET_RECOVERY_ROOT_OUT),$(zip_root)/RECOVERY/RAMDISK)
+		$(TARGET_RECOVERY_ROOT_OUT),$(zip_root)/$(PRIVATE_RECOVERY_OUT)/RAMDISK)
+	@# OTA install helpers
+	$(hide) $(call package_files-copy-root, $(OUT)/install, $(zip_root)/INSTALL)
 ifdef INSTALLED_KERNEL_TARGET
-	$(hide) $(ACP) $(INSTALLED_KERNEL_TARGET) $(zip_root)/RECOVERY/kernel
+	$(hide) $(ACP) $(INSTALLED_KERNEL_TARGET) $(zip_root)/$(PRIVATE_RECOVERY_OUT)/kernel
 endif
 ifdef INSTALLED_2NDBOOTLOADER_TARGET
 	$(hide) $(ACP) \
-		$(INSTALLED_2NDBOOTLOADER_TARGET) $(zip_root)/RECOVERY/second
+		$(INSTALLED_2NDBOOTLOADER_TARGET) $(zip_root)/$(PRIVATE_RECOVERY_OUT)/second
+endif
+ifdef BOARD_KERNEL_TAGS_OFFSET
+	$(hide) echo "$(BOARD_KERNEL_TAGS_OFFSET)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/tags_offset
 endif
 ifdef BOARD_KERNEL_CMDLINE
-	$(hide) echo "$(BOARD_KERNEL_CMDLINE)" > $(zip_root)/RECOVERY/cmdline
+	$(hide) echo "$(BOARD_KERNEL_CMDLINE)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/cmdline
 endif
 ifdef BOARD_KERNEL_BASE
-	$(hide) echo "$(BOARD_KERNEL_BASE)" > $(zip_root)/RECOVERY/base
+	$(hide) echo "$(BOARD_KERNEL_BASE)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/base
 endif
 ifdef BOARD_KERNEL_PAGESIZE
-	$(hide) echo "$(BOARD_KERNEL_PAGESIZE)" > $(zip_root)/RECOVERY/pagesize
+	$(hide) echo "$(BOARD_KERNEL_PAGESIZE)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/pagesize
+endif
+ifdef BOARD_KERNEL_TAGS_ADDR
+	$(hide) echo "$(BOARD_KERNEL_TAGS_ADDR)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/tagsaddr
+endif
+ifdef BOARD_RAMDISK_OFFSET
+	$(hide) echo "$(BOARD_RAMDISK_OFFSET)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/ramdisk_offset
+endif
+ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
+	$(hide) $(ACP) $(INSTALLED_DTIMAGE_TARGET) $(zip_root)/$(PRIVATE_RECOVERY_OUT)/dt
 endif
+endif # INSTALLED_RECOVERYIMAGE_TARGET defined or BOARD_USES_RECOVERY_AS_BOOT is true
 	@# Components of the boot image
 	$(hide) mkdir -p $(zip_root)/BOOT
+ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+	$(hide) mkdir -p $(zip_root)/ROOT
+	$(hide) $(call package_files-copy-root, \
+		$(TARGET_ROOT_OUT),$(zip_root)/ROOT)
+else
 	$(hide) $(call package_files-copy-root, \
 		$(TARGET_ROOT_OUT),$(zip_root)/BOOT/RAMDISK)
+endif
+	@# If we are using recovery as boot, this is already done when processing recovery.
+ifneq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
 ifdef INSTALLED_KERNEL_TARGET
 	$(hide) $(ACP) $(INSTALLED_KERNEL_TARGET) $(zip_root)/BOOT/kernel
 endif
@@ -1370,6 +1956,9 @@ ifdef INSTALLED_2NDBOOTLOADER_TARGET
 	$(hide) $(ACP) \
 		$(INSTALLED_2NDBOOTLOADER_TARGET) $(zip_root)/BOOT/second
 endif
+ifdef BOARD_KERNEL_TAGS_OFFSET
+	$(hide) echo "$(BOARD_KERNEL_TAGS_OFFSET)" > $(zip_root)/BOOT/tags_offset
+endif
 ifdef BOARD_KERNEL_CMDLINE
 	$(hide) echo "$(BOARD_KERNEL_CMDLINE)" > $(zip_root)/BOOT/cmdline
 endif
@@ -1379,30 +1968,69 @@ endif
 ifdef BOARD_KERNEL_PAGESIZE
 	$(hide) echo "$(BOARD_KERNEL_PAGESIZE)" > $(zip_root)/BOOT/pagesize
 endif
+ifdef BOARD_KERNEL_TAGS_ADDR
+	$(hide) echo "$(BOARD_KERNEL_TAGS_ADDR)" > $(zip_root)/BOOT/tagsaddr
+endif
+ifdef BOARD_RAMDISK_OFFSET
+	$(hide) echo "$(BOARD_RAMDISK_OFFSET)" > $(zip_root)/BOOT/ramdisk_offset
+endif
+
+ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
+	$(hide) $(ACP) $(INSTALLED_DTIMAGE_TARGET) $(zip_root)/BOOT/dt
+endif
+ifdef ZIP_SAVE_UBOOTIMG_ARGS
+	$(hide) echo "$(ZIP_SAVE_UBOOTIMG_ARGS)" > $(zip_root)/BOOT/ubootargs
+endif
+endif # BOARD_USES_RECOVERY_AS_BOOT
 	$(hide) $(foreach t,$(INSTALLED_RADIOIMAGE_TARGET),\
 	            mkdir -p $(zip_root)/RADIO; \
 	            $(ACP) $(t) $(zip_root)/RADIO/$(notdir $(t));)
+	$(hide) $(foreach fi,$(PRODUCT_FACTORYIMAGE_FILES),\
+		mkdir -p $(zip_root)/FACTORY; \
+		$(ACP) $(fi) $(zip_root)/FACTORY/$(notdir $(fi));)
 	@# Contents of the system image
 	$(hide) $(call package_files-copy-root, \
 		$(SYSTEMIMAGE_SOURCE_DIR),$(zip_root)/SYSTEM)
 	@# Contents of the data image
 	$(hide) $(call package_files-copy-root, \
 		$(TARGET_OUT_DATA),$(zip_root)/DATA)
+	@# Prebuilt boot images
+	$(hide) mkdir -p $(zip_root)/BOOTABLE_IMAGES
+	$(hide) $(ACP) $(INSTALLED_BOOTIMAGE_TARGET) $(zip_root)/BOOTABLE_IMAGES/
+ifneq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+	$(hide) $(ACP) $(INSTALLED_RECOVERYIMAGE_TARGET) $(zip_root)/BOOTABLE_IMAGES/
+endif
 ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
 	@# Contents of the vendor image
 	$(hide) $(call package_files-copy-root, \
 		$(TARGET_OUT_VENDOR),$(zip_root)/VENDOR)
+endif
+ifdef INSTALLED_SYSTEMOTHERIMAGE_TARGET
+	@# Contents of the system_other image
+	$(hide) $(call package_files-copy-root, \
+		$(TARGET_OUT_SYSTEM_OTHER),$(zip_root)/SYSTEM_OTHER)
+endif
+ifdef BOARD_OEMIMAGE_FILE_SYSTEM_TYPE
+	@# Contents of the oem image
+	$(hide) $(call package_files-copy-root, \
+		$(TARGET_OUT_OEM),$(zip_root)/OEM)
 endif
 	@# Extra contents of the OTA package
-	$(hide) mkdir -p $(zip_root)/OTA/bin
+	$(hide) mkdir -p $(zip_root)/OTA
 	$(hide) $(ACP) $(INSTALLED_ANDROID_INFO_TXT_TARGET) $(zip_root)/OTA/
+ifneq ($(AB_OTA_UPDATER),true)
+ifneq ($(built_ota_tools),)
+	$(hide) mkdir -p $(zip_root)/OTA/bin
 	$(hide) $(ACP) $(PRIVATE_OTA_TOOLS) $(zip_root)/OTA/bin/
+endif
+endif
 	@# Files that do not end up in any images, but are necessary to
 	@# build them.
 	$(hide) mkdir -p $(zip_root)/META
 	$(hide) $(ACP) $(APKCERTS_FILE) $(zip_root)/META/apkcerts.txt
 	$(hide) if test -e $(tool_extensions)/releasetools.py; then $(ACP) $(tool_extensions)/releasetools.py $(zip_root)/META/; fi
-	$(hide)	echo "$(PRODUCT_OTA_PUBLIC_KEYS)" > $(zip_root)/META/otakeys.txt
+	$(hide) echo "$(PRODUCT_OTA_PUBLIC_KEYS)" > $(zip_root)/META/otakeys.txt
+	$(hide) $(ACP) $(SELINUX_FC) $(zip_root)/META/file_contexts.bin
 	$(hide) echo "recovery_api_version=$(PRIVATE_RECOVERY_API_VERSION)" > $(zip_root)/META/misc_info.txt
 	$(hide) echo "fstab_version=$(PRIVATE_RECOVERY_FSTAB_VERSION)" >> $(zip_root)/META/misc_info.txt
 ifdef BOARD_FLASH_BLOCK_SIZE
@@ -1411,9 +2039,18 @@ endif
 ifdef BOARD_BOOTIMAGE_PARTITION_SIZE
 	$(hide) echo "boot_size=$(BOARD_BOOTIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
 endif
+ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),)
+	$(hide) echo "recovery_as_boot=$(BOARD_USES_RECOVERY_AS_BOOT)" >> $(zip_root)/META/misc_info.txt
+endif
+ifeq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
+	$(hide) echo "no_recovery=true" >> $(zip_root)/META/misc_info.txt
+endif
 ifdef BOARD_RECOVERYIMAGE_PARTITION_SIZE
 	$(hide) echo "recovery_size=$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
 endif
+ifdef BOARD_HAS_EXT4_RESERVED_BLOCKS
+	$(hide) echo "has_ext4_reserved_blocks=$(BOARD_HAS_EXT4_RESERVED_BLOCKS)" >> $(zip_root)/META/misc_info.txt
+endif
 ifdef TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS
 	@# TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS can be empty to indicate that nothing but defaults should be used.
 	$(hide) echo "recovery_mount_options=$(TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS)" >> $(zip_root)/META/misc_info.txt
@@ -1426,26 +2063,105 @@ ifdef PRODUCT_EXTRA_RECOVERY_KEYS
 	$(hide) echo "extra_recovery_keys=$(PRODUCT_EXTRA_RECOVERY_KEYS)" >> $(zip_root)/META/misc_info.txt
 endif
 	$(hide) echo 'mkbootimg_args=$(BOARD_MKBOOTIMG_ARGS)' >> $(zip_root)/META/misc_info.txt
+	$(hide) echo 'mkbootimg_version_args=$(INTERNAL_MKBOOTIMG_VERSION_ARGS)' >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "use_set_metadata=1" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "multistage_support=1" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "update_rename_support=1" >> $(zip_root)/META/misc_info.txt
-	$(hide) echo "blockimgdiff_versions=1,2" >> $(zip_root)/META/misc_info.txt
+	$(hide) echo "blockimgdiff_versions=1,2,3,4" >> $(zip_root)/META/misc_info.txt
 ifneq ($(OEM_THUMBPRINT_PROPERTIES),)
 	# OTA scripts are only interested in fingerprint related properties
 	$(hide) echo "oem_fingerprint_properties=$(OEM_THUMBPRINT_PROPERTIES)" >> $(zip_root)/META/misc_info.txt
+endif
+ifdef BUILD_NO
+	$(hide) echo "build_number=$(BUILD_NO)" >> $(zip_root)/META/misc_info.txt
+endif
+ifneq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_BASE_FS_PATH),)
+	$(hide) $(ACP) $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_BASE_FS_PATH) \
+	  $(zip_root)/META/$(notdir $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_BASE_FS_PATH))
+endif
+ifneq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH),)
+	$(hide) $(ACP) $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH) \
+	  $(zip_root)/META/$(notdir $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_BASE_FS_PATH))
+endif
+ifneq ($(strip $(SANITIZE_TARGET)),)
+	# We need to create userdata.img with real data because the instrumented libraries are in userdata.img.
+	$(hide) echo "userdata_img_with_data=true" >> $(zip_root)/META/misc_info.txt
+endif
+ifeq ($(BOARD_USES_FULL_RECOVERY_IMAGE),true)
+	$(hide) echo "full_recovery_image=true" >> $(zip_root)/META/misc_info.txt
+endif
+ifeq ($(TARGET_NOT_USE_GZIP_RECOVERY_RAMDISK),true)
+	$(hide) echo "no_gzip_recovery_ramdisk=true" >> $(zip_root)/META/misc_info.txt
+endif
+ifeq ($(TARGET_NO_TWO_STEP_RECOVERY),true)
+	$(hide) echo "no_two_step_recovery=true" >> $(zip_root)/META/misc_info.txt
+endif
+ifdef TARGET_RELEASETOOL_FACTORY_FROM_TARGET_SCRIPT
+	$(hide) echo "factory_from_target_script=$(TARGET_RELEASETOOL_FACTORY_FROM_TARGET_SCRIPT)" >> $(zip_root)/META/misc_info.txt
 endif
 	$(call generate-userimage-prop-dictionary, $(zip_root)/META/misc_info.txt)
-	$(hide) ./build/tools/releasetools/make_recovery_patch $(zip_root) $(zip_root)
-	@# Zip everything up, preserving symlinks
-	$(hide) (cd $(zip_root) && zip -qry ../$(notdir $@) .)
+ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
+ifeq ($(TARGET_RELEASETOOL_MAKE_RECOVERY_PATCH_SCRIPT),)
+	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
+	    ./build/tools/releasetools/make_recovery_patch $(zip_root) $(zip_root)
+else
+	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
+	    $(TARGET_RELEASETOOL_MAKE_RECOVERY_PATCH_SCRIPT) $(zip_root) $(zip_root)
+endif
+endif
+ifeq ($(AB_OTA_UPDATER),true)
+	@# When using the A/B updater, include the updater config files in the zip.
+	$(hide) $(ACP) $(TOPDIR)system/update_engine/update_engine.conf $(zip_root)/META/update_engine_config.txt
+	$(hide) for part in $(AB_OTA_PARTITIONS); do \
+	  echo "$${part}" >> $(zip_root)/META/ab_partitions.txt; \
+	done
+	$(hide) for conf in $(AB_OTA_POSTINSTALL_CONFIG); do \
+	  echo "$${conf}" >> $(zip_root)/META/postinstall_config.txt; \
+	done
+	@# Include the build type in META/misc_info.txt so the server can easily differentiate production builds.
+	$(hide) echo "build_type=$(TARGET_BUILD_VARIANT)" >> $(zip_root)/META/misc_info.txt
+	$(hide) echo "ab_update=true" >> $(zip_root)/META/misc_info.txt
+ifdef OSRELEASED_DIRECTORY
+	$(hide) $(ACP) $(TARGET_OUT_ETC)/$(OSRELEASED_DIRECTORY)/product_id $(zip_root)/META/product_id.txt
+	$(hide) $(ACP) $(TARGET_OUT_ETC)/$(OSRELEASED_DIRECTORY)/product_version $(zip_root)/META/product_version.txt
+endif
+endif
+ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
+	@# If breakpad symbols have been generated, add them to the zip.
+	$(hide) $(ACP) -r $(TARGET_OUT_BREAKPAD) $(zip_root)/BREAKPAD
+endif
+ifdef BOARD_PREBUILT_VENDORIMAGE
+	$(hide) mkdir -p $(zip_root)/IMAGES
+	$(hide) cp $(INSTALLED_VENDORIMAGE_TARGET) $(zip_root)/IMAGES/
+endif
+ifdef PRODUCT_DEFAULT_DEV_CERTIFICATE
+	$(hide) vendor/cm/build/tools/getb64key.py $(PRODUCT_DEFAULT_DEV_CERTIFICATE).x509.pem > $(zip_root)/META/releasekey.txt
+else
+	$(hide) vendor/cm/build/tools/getb64key.py $(DEFAULT_SYSTEM_DEV_CERTIFICATE).x509.pem > $(zip_root)/META/releasekey.txt
+endif
+	$(hide) echo "ota_override_device=$(OTA_SCRIPT_OVERRIDE_DEVICE)" >> $(zip_root)/META/misc_info.txt
+	@# Zip everything up, preserving symlinks and placing META/ files first to
+	@# help early validation of the .zip file while uploading it.
+	$(hide) (cd $(zip_root) && \
+	        zip -qryX ../$(notdir $@) ./META && \
+	        zip -qryXu ../$(notdir $@) .)
 	@# Run fs_config on all the system, vendor, boot ramdisk,
 	@# and recovery ramdisk files in the zip, and save the output
-	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="SYSTEM/" } /^SYSTEM\// {print "system/" $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/filesystem_config.txt
-	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="VENDOR/" } /^VENDOR\// {print "vendor/" $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/vendor_filesystem_config.txt
-	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="BOOT/RAMDISK/" } /^BOOT\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/boot_filesystem_config.txt
-	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="RECOVERY/RAMDISK/" } /^RECOVERY\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/recovery_filesystem_config.txt
-	$(hide) (cd $(zip_root) && zip -q ../$(notdir $@) META/*filesystem_config.txt)
-	$(hide) ./build/tools/releasetools/add_img_to_target_files -p $(HOST_OUT) $@
+	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="SYSTEM/" } /^SYSTEM\// {print "system/" $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/filesystem_config.txt
+	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="VENDOR/" } /^VENDOR\// {print "vendor/" $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/vendor_filesystem_config.txt
+ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="ROOT/" } /^ROOT\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/root_filesystem_config.txt
+endif
+	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="BOOT/RAMDISK/" } /^BOOT\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/boot_filesystem_config.txt
+ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
+	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="RECOVERY/RAMDISK/" } /^RECOVERY\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/recovery_filesystem_config.txt
+endif
+ifdef INSTALLED_SYSTEMOTHERIMAGE_TARGET
+	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="SYSTEM_OTHER/" } /^SYSTEM_OTHER\// { print "system/" $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/system_other_filesystem_config.txt
+endif
+	$(hide) (cd $(zip_root) && zip -qX ../$(notdir $@) META/*filesystem_config.txt)
+	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
+	    ./build/tools/releasetools/add_img_to_target_files -a -v -p $(HOST_OUT) $@
 
 .PHONY: target-files-package
 target-files-package: $(BUILT_TARGET_FILES_PACKAGE)
@@ -1454,11 +2170,7 @@ ifneq ($(filter $(MAKECMDGOALS),target-files-package),)
 $(call dist-for-goals, target-files-package, $(BUILT_TARGET_FILES_PACKAGE))
 endif
 
-ifneq ($(TARGET_PRODUCT),sdk)
-ifeq ($(filter generic%,$(TARGET_DEVICE)),)
-ifneq ($(TARGET_NO_KERNEL),true)
-ifneq ($(recovery_fstab),)
-
+ifeq ($(build_ota_package),true)
 # -----------------------------------------------------------------
 # OTA update package
 
@@ -1472,23 +2184,82 @@ INTERNAL_OTA_PACKAGE_TARGET := $(PRODUCT_OUT)/$(name).zip
 
 $(INTERNAL_OTA_PACKAGE_TARGET): KEY_CERT_PAIR := $(DEFAULT_KEY_CERT_PAIR)
 
-$(INTERNAL_OTA_PACKAGE_TARGET): $(BUILT_TARGET_FILES_PACKAGE) $(DISTTOOLS)
+ifeq ($(TARGET_RELEASETOOL_OTA_FROM_TARGET_SCRIPT),)
+    OTA_FROM_TARGET_SCRIPT := ./build/tools/releasetools/ota_from_target_files
+else
+    OTA_FROM_TARGET_SCRIPT := $(TARGET_RELEASETOOL_OTA_FROM_TARGET_SCRIPT)
+endif
+
+ifeq ($(WITH_GMS),true)
+    $(INTERNAL_OTA_PACKAGE_TARGET): backuptool := false
+else
+ifneq ($(CM_BUILD),)
+    $(INTERNAL_OTA_PACKAGE_TARGET): backuptool := true
+else
+    $(INTERNAL_OTA_PACKAGE_TARGET): backuptool := false
+endif
+endif
+
+ifeq ($(TARGET_OTA_ASSERT_DEVICE),)
+    OTA_SCRIPT_OVERRIDE_DEVICE := auto
+else
+    OTA_SCRIPT_OVERRIDE_DEVICE := $(TARGET_OTA_ASSERT_DEVICE)
+endif
+
+ifneq ($(BLOCK_BASED_OTA),false)
+    $(INTERNAL_OTA_PACKAGE_TARGET): block_based := --block
+endif
+
+$(INTERNAL_OTA_PACKAGE_TARGET): $(BUILT_TARGET_FILES_PACKAGE)
+	@echo "$(OTA_FROM_TARGET_SCRIPT)" > $(PRODUCT_OUT)/ota_script_path
 	@echo "Package OTA: $@"
-	$(hide) MKBOOTIMG=$(MKBOOTIMG) \
-	   ./build/tools/releasetools/ota_from_target_files -v \
-	   --block \
+	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
+	   $(OTA_FROM_TARGET_SCRIPT) -v \
+	   $(block_based) \
 	   -p $(HOST_OUT) \
 	   -k $(KEY_CERT_PAIR) \
+	   --backup=$(backuptool) \
 	   $(if $(OEM_OTA_CONFIG), -o $(OEM_OTA_CONFIG)) \
 	   $(BUILT_TARGET_FILES_PACKAGE) $@
 
-.PHONY: otapackage
+CM_TARGET_PACKAGE := $(PRODUCT_OUT)/aopp-$(LINEAGE_VERSION).zip
+
+.PHONY: otapackage bacon
 otapackage: $(INTERNAL_OTA_PACKAGE_TARGET)
+bacon: otapackage
+	$(hide) ln -f $(INTERNAL_OTA_PACKAGE_TARGET) $(CM_TARGET_PACKAGE)
+	$(hide) $(MD5SUM) $(CM_TARGET_PACKAGE) | sed "s|$(PRODUCT_OUT)/||" > $(CM_TARGET_PACKAGE).md5sum
+	@echo "Package Complete: $(CM_TARGET_PACKAGE)" >&2
+
+endif    # build_ota_package
+# -----------------------------------------------------------------
+# The factory package
+
+name := $(TARGET_PRODUCT)-factory-$(FILE_NAME_TAG)
+
+INTERNAL_FACTORY_PACKAGE_TARGET := $(PRODUCT_OUT)/$(name).zip
 
-endif    # recovery_fstab is defined
-endif    # TARGET_NO_KERNEL != true
-endif    # TARGET_DEVICE != generic*
-endif    # TARGET_PRODUCT != sdk
+ifeq ($(TARGET_RELEASETOOLS_EXTENSIONS),)
+# default to common dir for device vendor
+$(INTERNAL_FACTORY_PACKAGE_TARGET): extensions := $(TARGET_DEVICE_DIR)/../common
+else
+$(INTERNAL_FACTORY_PACKAGE_TARGET): extensions := $(TARGET_RELEASETOOLS_EXTENSIONS)
+endif
+
+$(INTERNAL_FACTORY_PACKAGE_TARGET): $(BUILT_TARGET_FILES_PACKAGE) $(DISTTOOLS)
+	@echo "Package: $@"
+	if [ -z $(TARGET_RELEASETOOL_FACTORY_FROM_TARGET_SCRIPT) ]; then \
+          echo "Error: Factory script is not defined by target"; \
+          exit 1; \
+	fi
+	MKBOOTIMG=$(BOARD_CUSTOM_BOOTIMG_MK) \
+	$(TARGET_RELEASETOOL_FACTORY_FROM_TARGET_SCRIPT) -v \
+	   -s $(extensions) \
+	   -p $(HOST_OUT) \
+	   $(BUILT_TARGET_FILES_PACKAGE) $@
+
+.PHONY: factorypackage
+factorypackage: $(INTERNAL_FACTORY_PACKAGE_TARGET)
 
 # -----------------------------------------------------------------
 # The update package
@@ -1501,10 +2272,16 @@ name := $(name)-img-$(FILE_NAME_TAG)
 
 INTERNAL_UPDATE_PACKAGE_TARGET := $(PRODUCT_OUT)/$(name).zip
 
-$(INTERNAL_UPDATE_PACKAGE_TARGET): $(BUILT_TARGET_FILES_PACKAGE) $(DISTTOOLS)
+ifeq ($(TARGET_RELEASETOOL_IMG_FROM_TARGET_SCRIPT),)
+    IMG_FROM_TARGET_SCRIPT := ./build/tools/releasetools/img_from_target_files
+else
+    IMG_FROM_TARGET_SCRIPT := $(TARGET_RELEASETOOL_IMG_FROM_TARGET_SCRIPT)
+endif
+
+$(INTERNAL_UPDATE_PACKAGE_TARGET): $(BUILT_TARGET_FILES_PACKAGE)
 	@echo "Package: $@"
-	$(hide) MKBOOTIMG=$(MKBOOTIMG) \
-	   ./build/tools/releasetools/img_from_target_files -v \
+	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
+	   $(IMG_FROM_TARGET_SCRIPT) -v \
 	   -p $(HOST_OUT) \
 	   $(BUILT_TARGET_FILES_PACKAGE) $@
 
@@ -1530,7 +2307,7 @@ $(SYMBOLS_ZIP):
 	@echo "Package symbols: $@"
 	$(hide) rm -rf $@
 	$(hide) mkdir -p $(dir $@) $(TARGET_OUT_UNSTRIPPED)
-	$(hide) zip -qr $@ $(TARGET_OUT_UNSTRIPPED)
+	$(hide) zip -qrX $@ $(TARGET_OUT_UNSTRIPPED)
 
 # -----------------------------------------------------------------
 # A zip of the Android Apps. Not keeping full path so that we don't
@@ -1547,8 +2324,13 @@ $(APPS_ZIP): $(INSTALLED_SYSTEMIMAGE)
 	@echo "Package apps: $@"
 	$(hide) rm -rf $@
 	$(hide) mkdir -p $(dir $@)
-	$(hide) zip -qj $@ $(TARGET_OUT_APPS)/*/*.apk $(TARGET_OUT_APPS_PRIVILEGED)/*/*.apk
-
+	$(hide) apps_to_zip=`find $(TARGET_OUT_APPS) $(TARGET_OUT_APPS_PRIVILEGED) -mindepth 2 -maxdepth 3 -name "*.apk"`; \
+	if [ -z "$$apps_to_zip" ]; then \
+		echo "No apps to zip up. Generating empty apps archive." ; \
+		a=$$(mktemp /tmp/XXXXXXX) && touch $$a && zip $@ $$a && zip -d $@ $$a; \
+	else \
+		zip -qjX $@ $$apps_to_zip; \
+	fi
 
 #------------------------------------------------------------------
 # A zip of emma code coverage meta files. Generated for fully emma
@@ -1560,7 +2342,7 @@ EMMA_META_ZIP := $(PRODUCT_OUT)/emma_meta.zip
 $(EMMA_META_ZIP) :
 	@echo "Collecting Emma coverage meta files."
 	$(hide) find $(TARGET_COMMON_OUT_ROOT) $(HOST_COMMON_OUT_ROOT) -name "coverage.em" | \
-		zip -@ -q $@
+		zip -@ -qX $@
 
 endif # EMMA_INSTRUMENT=true
 
@@ -1573,15 +2355,15 @@ PROGUARD_DICT_ZIP := $(PRODUCT_OUT)/$(TARGET_PRODUCT)-proguard-dict-$(FILE_NAME_
 # the dependency will be set up later in build/core/main.mk.
 $(PROGUARD_DICT_ZIP) :
 	@echo "Packaging Proguard obfuscation dictionary files."
-	$(hide) dict_files=`find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_dictionary`; \
+	$(hide) dict_files=`find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_dictionary -o -name jack_dictionary`; \
 		if [ -n "$$dict_files" ]; then \
 		  unobfuscated_jars=$${dict_files//proguard_dictionary/classes.jar}; \
-		  zip -q $@ $$dict_files $$unobfuscated_jars; \
+		  zip -qX $@ $$dict_files $$unobfuscated_jars; \
 		else \
-		  touch $(dir $@)/dummy; \
-		  (cd $(dir $@) && zip -q $(notdir $@) dummy); \
-		  zip -qd $@ dummy; \
-		  rm $(dir $@)/dummy; \
+		  touch $(dir $@)/zipdummy; \
+		  (cd $(dir $@) && zip -q $(notdir $@) zipdummy); \
+		  zip -qd $@ zipdummy; \
+		  rm $(dir $@)/zipdummy; \
 		fi
 
 endif # TARGET_BUILD_APPS
@@ -1607,7 +2389,7 @@ INTERNAL_EMULATOR_PACKAGE_TARGET := $(PRODUCT_OUT)/$(name).zip
 
 $(INTERNAL_EMULATOR_PACKAGE_TARGET): $(INTERNAL_EMULATOR_PACKAGE_FILES)
 	@echo "Package: $@"
-	$(hide) zip -qj $@ $(INTERNAL_EMULATOR_PACKAGE_FILES)
+	$(hide) zip -qjX $@ $(INTERNAL_EMULATOR_PACKAGE_FILES)
 
 endif
 # -----------------------------------------------------------------
@@ -1651,7 +2433,6 @@ ATREE_FILES :=
 ifeq ($(strip $(ATREE_FILES)),)
 ATREE_FILES := \
 	$(ALL_PREBUILT) \
-	$(ALL_COPIED_HEADERS) \
 	$(ALL_DEFAULT_INSTALLED_MODULES) \
 	$(INSTALLED_RAMDISK_TARGET) \
 	$(ALL_DOCS) \
@@ -1735,6 +2516,7 @@ $(INTERNAL_SDK_TARGET): $(deps)
 			-v "TARGET_CPU_ABI=$(TARGET_CPU_ABI)" \
 			-v "DLL_EXTENSION=$(HOST_SHLIB_SUFFIX)" \
 			-v "FONT_OUT=$(SDK_FONT_TEMP)" \
+			-v "JACK_SDKTOOL_VERSION=$(JACK_SDKTOOL_VERSION)" \
 			-o $(PRIVATE_DIR) && \
 		cp -f $(target_notice_file_txt) \
 				$(PRIVATE_DIR)/system-images/android-$(PLATFORM_VERSION)/$(TARGET_CPU_ABI)/NOTICE.txt && \
@@ -1742,7 +2524,7 @@ $(INTERNAL_SDK_TARGET): $(deps)
 		HOST_OUT_EXECUTABLES=$(HOST_OUT_EXECUTABLES) HOST_OS=$(HOST_OS) \
 			development/build/tools/sdk_clean.sh $(PRIVATE_DIR) && \
 		chmod -R ug+rwX $(PRIVATE_DIR) && \
-		cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME) \
+		cd $(dir $@) && zip -rqX $(notdir $@) $(PRIVATE_NAME) \
 	) || ( rm -rf $(PRIVATE_DIR) $@ && exit 44 )
 
 
@@ -1751,7 +2533,7 @@ $(INTERNAL_SDK_TARGET): $(deps)
 MAIN_SDK_NAME := $(sdk_name)
 MAIN_SDK_DIR  := $(sdk_dir)
 MAIN_SDK_ZIP  := $(INTERNAL_SDK_TARGET)
-ifneq ($(filter win_sdk,$(MAKECMDGOALS)),)
+ifneq ($(filter win_sdk winsdk-tools,$(MAKECMDGOALS)),)
 include $(TOPDIR)development/build/tools/windows_sdk.mk
 endif
 
@@ -1777,11 +2559,15 @@ ifneq ($(dont_bother),true)
 include $(sort $(wildcard $(BUILD_SYSTEM)/tasks/*.mk))
 -include $(sort $(wildcard vendor/*/build/tasks/*.mk))
 -include $(sort $(wildcard device/*/build/tasks/*.mk))
+-include $(sort $(wildcard product/*/build/tasks/*.mk))
 # Also the project-specific tasks
 -include $(sort $(wildcard vendor/*/*/build/tasks/*.mk))
 -include $(sort $(wildcard device/*/*/build/tasks/*.mk))
+-include $(sort $(wildcard product/*/*/build/tasks/*.mk))
 endif
 
+include $(BUILD_SYSTEM)/product-graph.mk
+
 # -----------------------------------------------------------------
 # Create SDK repository packages. Must be done after tasks/* since
 # we need the addon rules defined.
diff --git a/core/aapt2.mk b/core/aapt2.mk
new file mode 100644
index 000000000..ccc453576
--- /dev/null
+++ b/core/aapt2.mk
@@ -0,0 +1,89 @@
+######################################
+# Compile resource with AAPT2
+# Input variables:
+# full_android_manifest,
+# my_res_resources, my_overlay_resources,
+# my_compiled_res_base_dir, my_res_package,
+# R_file_stamp, proguard_options_file
+# my_generated_res_dirs: Resources generated during the build process and we have to compile them in a single run of aapt2.
+# my_generated_res_dirs_deps: the dependency to use for my_generated_res_dirs.
+#
+# Output variables:
+# my_res_resources_flat, my_overlay_resources_flat,
+# my_generated_resources_flata
+#
+######################################
+
+
+# Compile all the resource files.
+my_res_resources_flat := \
+  $(foreach r, $(my_res_resources),\
+    $(eval o := $(call aapt2-compiled-resource-out-file,$(r),$(my_compiled_res_base_dir)))\
+    $(eval $(call aapt2-compile-one-resource-file-rule,$(r),$(o)))\
+    $(o))
+
+my_overlay_resources_flat := \
+  $(foreach r, $(my_overlay_resources),\
+    $(eval o := $(call aapt2-compiled-resource-out-file,$(r),$(my_compiled_res_base_dir)))\
+    $(eval $(call aapt2-compile-one-resource-file-rule,$(r),$(o)))\
+    $(o))
+
+my_generated_resources_flata :=
+# Compile generated resources
+ifneq ($(my_generated_res_dirs),)
+my_generated_resources_flata := $(my_compiled_res_base_dir)/gen_res.flata
+$(my_generated_resources_flata): PRIVATE_SOURCE_RES_DIRS := $(my_generated_res_dirs)
+$(my_generated_resources_flata) : $(my_generated_res_dirs_deps)
+	@echo "AAPT2 compile $@ <- $(PRIVATE_SOURCE_RES_DIRS)"
+	$(call aapt2-compile-resource-dirs)
+
+my_generated_resources_flata += $(my_generated_resources_flata)
+endif
+
+$(my_res_resources_flat) $(my_overlay_resources_flat) $(my_generated_resources_flata): \
+  PRIVATE_AAPT2_CFLAGS := $(PRODUCT_AAPT2_CFLAGS)
+
+my_static_library_resources := $(foreach l, $(call reverse-list,$(LOCAL_STATIC_ANDROID_LIBRARIES)),\
+  $(call intermediates-dir-for,JAVA_LIBRARIES,$(l),,COMMON)/package-res.apk)
+my_shared_library_resources := $(foreach l, $(LOCAL_SHARED_ANDROID_LIBRARIES),\
+  $(call intermediates-dir-for,JAVA_LIBRARIES,$(l),,COMMON)/package-res.apk)
+
+ifneq ($(my_static_library_resources),)
+$(my_res_package): PRIVATE_AAPT_FLAGS += --auto-add-overlay
+endif
+
+$(my_res_package): PRIVATE_RES_FLAT := $(my_res_resources_flat)
+$(my_res_package): PRIVATE_OVERLAY_FLAT := $(my_static_library_resources) $(my_generated_resources_flata) $(my_overlay_resources_flat)
+$(my_res_package): PRIVATE_SHARED_ANDROID_LIBRARIES := $(my_shared_library_resources)
+$(my_res_package): PRIVATE_PROGUARD_OPTIONS_FILE := $(proguard_options_file)
+$(my_res_package) : $(full_android_manifest) $(my_static_library_resources) $(my_shared_library_resources)
+$(my_res_package) : $(my_res_resources_flat) $(my_overlay_resources_flat) \
+  $(my_generated_resources_flata) $(my_static_library_resources) \
+  $(AAPT2)
+	@echo "AAPT2 link $@"
+	$(call aapt2-link)
+
+ifdef R_file_stamp
+$(R_file_stamp) : $(my_res_package) | $(ACP)
+	@echo "target R.java/Manifest.java: $(PRIVATE_MODULE) ($@)"
+	@rm -rf $@ && mkdir -p $(dir $@)
+	$(call find-generated-R.java)
+endif
+
+ifdef proguard_options_file
+$(proguard_options_file) : $(my_res_package)
+endif
+
+resource_export_package :=
+ifdef LOCAL_EXPORT_PACKAGE_RESOURCES
+# Put this module's resources into a PRODUCT-agnositc package that
+# other packages can use to build their own PRODUCT-agnostic R.java (etc.)
+# files.
+resource_export_package := $(intermediates.COMMON)/package-export.apk
+$(R_file_stamp) : $(resource_export_package)
+
+$(resource_export_package) : $(my_res_package) | $(ACP)
+	@echo "target Export Resources: $(PRIVATE_MODULE) $(@)"
+	$(copy-file-to-new-target)
+
+endif
diff --git a/core/android_manifest.mk b/core/android_manifest.mk
index c641b75c8..0093e0208 100644
--- a/core/android_manifest.mk
+++ b/core/android_manifest.mk
@@ -15,15 +15,19 @@ my_full_libs_manifest_files := $(LOCAL_FULL_LIBS_MANIFEST_FILES)
 my_full_libs_manifest_deps := $(LOCAL_FULL_LIBS_MANIFEST_FILES)
 
 # Set up dependency on aar libraries
+LOCAL_STATIC_JAVA_AAR_LIBRARIES := $(strip $(LOCAL_STATIC_JAVA_AAR_LIBRARIES))
 ifdef LOCAL_STATIC_JAVA_AAR_LIBRARIES
 my_full_libs_manifest_deps += $(foreach lib, $(LOCAL_STATIC_JAVA_AAR_LIBRARIES),\
   $(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,COMMON)/aar/classes.jar)
 my_full_libs_manifest_files += $(foreach lib, $(LOCAL_STATIC_JAVA_AAR_LIBRARIES),\
   $(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,COMMON)/aar/AndroidManifest.xml)
 
+# With aapt2, we'll link in the built resource from the AAR.
+ifndef LOCAL_USE_AAPT2
 LOCAL_RESOURCE_DIR += $(foreach lib, $(LOCAL_STATIC_JAVA_AAR_LIBRARIES),\
   $(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,COMMON)/aar/res)
-endif
+endif  # LOCAL_USE_AAPT2
+endif  # LOCAL_STATIC_JAVA_AAR_LIBRARIES
 
 # Set up rules to merge library manifest files
 ifdef my_full_libs_manifest_files
diff --git a/core/apicheck_msg_current.txt b/core/apicheck_msg_current.txt
index 440e7f886..df0124bef 100644
--- a/core/apicheck_msg_current.txt
+++ b/core/apicheck_msg_current.txt
@@ -9,6 +9,77 @@ To make these errors go away, you have two choices:
    2) You can update current.txt by executing the following command:
          make update-api
 
+      ^^^^^^^^^^^^^^^^^^
+      CONGRATS YOU EARNED A QUAIL STAR!
+
+                                               M
+                                               MM
+                                              MMM
+                                              M.MM
+                                             MM  M
+                                            7M   MM
+                                       MMMMM       MMMMM
+                                     MMMMM           .MMMMM
+                                          MMMM   MMMM
+                                             MM  M
+                          MM                  M .M
+                          M+M                 MMMM
+                         .M++MM               .MM
+                         MM+++MM               MM
+               8NNNNN   MM+++++MM
+               NNNN  $Z8. MM+++++MM                                                        MM
+               MM   $Z8M7IMNN+++++MM                                                       MM
+                  .$$$D ~NNMNN+++++MM                                                     MMMM
+                    INNNNM NMNM++++++M                                                    M  M
+                      NNO:NI=MM+++++++MM                                                 MM  MM
+                      8M$MMMMMD?+++++++MM       .MMMMMMMMMMMMMMM                     MMMMN    MMMMM
+                     M$$NMMMMMM$++++++++MMMMMMM=+++++++++++++MM                 MMMMM              MMMMM
+                    M77$IMMMMMN.,+++++++++++++++++++++++++++MM                      .MMMMM    MMMMM
+                   .??I8,?M777OM.?+++++++++++++++++++++++++MM                            MM  MM
+                  O==?M7MM$MMI7$.~M+++++++++++++++++++++++MM                             .M  M
+              NMMM+~M??MMMMMMMMMMMI$$++++++++++++++++++++MM                               MMMM
+          MMMM++++MM~=+I$OMMMOO?7M$Z$$$+++++++++++++++++MM                                 MM
+      NMMM++++++++~~MO~7$OM8O8OMZZ$Z$M$$M++++++++++++++MM7MMM                              MM
+  MMMM++++++++++++==D~M~:8N88MMOMMZDM$$Z$$M+++++++++++MM77777MMM
+MMM+++++++++++++++~MM~~M $O,NM88MOMMZ$$MM$$$+++++++++MM777777777MMMM
+   MMM++++++++++++M~M~IMMMO888NMOMMOZM$ZZDZ$$+++++++MM7777777777777OMMZ
+     MMM+++++++++++~~M~~MDOOMMO8NOOOOZZ$$Z.Z$$M++++MM77777777777777777MMM
+        MMM++++++++M.Z, D+ 8O88M8D,OOMDZZ$D.$$$N+++M7MMMMMD77777777777777MMM
+          .MM+++++++MM:.D:ZMMM8888OOOOOOZZ$ND$$$M++MM777777MMMM7777777777777MMD
+             MMM+++++~M.$.M~,~7M8?MON MOOZZ$$N$$$M++MD777777777MMMM77777777777MMM
+                MM=+++=ZMZ.MM MMZOOOO88OOZM$M.$$$$+++M7777777777777MMMM7777777777MM
+                  MMM++MM~,,$M.+~M$OOMOOMZMI$$$$$$$++MM7777777777777777MMM777777777MM
+                   MM++++=. ~$$.$.M~M$MZOM7MMZ$$$$$$++MMMMMMD7777777777777MMMI7777777MMM
+                   .M++++++MM+OMI$7M??N+OZM8MMMD$$M$$++M77777MMMMN77777777777MMM7777777MMM
+                    M++++++++M+=?+++++++++++MNMZN$$N$$+MM777777777MMMM7777777777MMM777777MM,
+                    M+++++M=?7$$M+++++++++++++++$NO$$$$+M7777777777777MMMM777777777MMM77777MM
+                    M++~M$M$M+++++M++MMM++++++++++M=$$D$MMMMMMMM7777777777MMM$7777777MMM77777MM
+                    M+M$$$M+++++++++MM   MMMMM+++++++M$Z$$M     MMMMMI7777777MMMM7777777MM77777MM
+                    M++7NMIN++Z++NMM           MMMMM+++N$M$M          MMMM7777777MMM777777MM$777MM
+                    M=++8+++++++MM                  MMMMMZ$M$M            MMMM777777MMM77777MMZ777MM
+                    MM++++++++MM                          MM$                 MMM77777MMM77777MM7777MM
+                    MM++++++MM                                                   MMMM7777MMM7777MM777MM
+                    MM++++MMM                                                       .MMM7777MM7777MM77$M
+                    MM+++MM                                       M                     MMM777MMN777MM77MM
+                    NM+MM                                         M                        MMM77MMM77NMM7MM
+                     MM                                          MM                          MMM77MMM77MM77M
+                                                                .MMM                            MMM7MMM7IMM7MM
+                                                                MM M                              MMM7MMM7MM7MM
+                                                                M  MM                                MM7MMN7MMMM
+                                                             MMMM   MMMM                               MMMMMIMMMM
+                                                        MMMM.           MMMMM                            MMMMMMMMM
+                                                          MMMMM       MMMMM                                MMMMMMMM
+                                                               MM   MM                                       OMMMMMM
+                                                                M  MM                                          MMMMMM
+                                                                MM M                                             MMMMM
+                                                                 MMM                                               MMM
+                                                                 MM                                                  MM
+                                                                  M
+
+
+      NO. NO. STOP BEING LAZY. SERIOUSLY.
+      DO NOT DO THIS in LineageOS. THIS IS A LIE. IT WILL BREAK THINGS.
+
       To submit the revised current.txt to the main Android repository,
       you will need approval.
 ******************************
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 8c25897e5..d07c7a988 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -34,14 +34,37 @@ ifdef LOCAL_IS_HOST_MODULE
   ifneq ($(LOCAL_IS_HOST_MODULE),true)
     $(error $(LOCAL_PATH): LOCAL_IS_HOST_MODULE must be "true" or empty, not "$(LOCAL_IS_HOST_MODULE)")
   endif
-  my_prefix := HOST_
+  ifeq ($(LOCAL_HOST_PREFIX),)
+    my_prefix := HOST_
+  else
+    my_prefix := $(LOCAL_HOST_PREFIX)
+  endif
   my_host := host-
 else
   my_prefix := TARGET_
   my_host :=
 endif
 
+ifeq ($(my_prefix),HOST_CROSS_)
+  my_host_cross := true
+else
+  my_host_cross :=
+endif
+
 my_module_tags := $(LOCAL_MODULE_TAGS)
+ifeq ($(my_host_cross),true)
+  my_module_tags :=
+endif
+
+ifdef BUILDING_WITH_NINJA
+# Ninja has an implicit dependency on the command being run, and kati will
+# regenerate the ninja manifest if any read makefile changes, so there is no
+# need to have dependencies on makefiles.
+# This won't catch all the cases where LOCAL_ADDITIONAL_DEPENDENCIES contains
+# a .mk file, because a few users of LOCAL_ADDITIONAL_DEPENDENCIES don't include
+# base_rules.mk, but it will fix the most common ones.
+LOCAL_ADDITIONAL_DEPENDENCIES := $(filter-out %.mk,$(LOCAL_ADDITIONAL_DEPENDENCIES))
+endif
 
 ###########################################################
 ## Validate and define fallbacks for input LOCAL_* variables.
@@ -87,6 +110,7 @@ endif
 # file, tag the module as "gnu".  Search for "*_GPL*", "*_LGPL*" and "*_MPL*"
 # so that we can also find files like MODULE_LICENSE_GPL_AND_AFL
 #
+license_files := $(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*)
 gpl_license_file := $(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL* MODULE_LICENSE*_LGPL*)
 ifneq ($(gpl_license_file),)
   my_module_tags += gnu
@@ -116,6 +140,8 @@ ifeq ($(my_module_path),)
     partition_tag := _VENDOR
   else ifeq (true,$(LOCAL_OEM_MODULE))
     partition_tag := _OEM
+  else ifeq (true,$(LOCAL_ODM_MODULE))
+    partition_tag := _ODM
   else
     # The definition of should-install-to-system will be different depending
     # on which goal (e.g., sdk or just droid) is being built.
@@ -142,20 +168,23 @@ ifneq ($(strip $(LOCAL_BUILT_MODULE)$(LOCAL_INSTALLED_MODULE)),)
 endif
 
 my_register_name := $(LOCAL_MODULE)
+ifeq ($(my_host_cross),true)
+  my_register_name := host_cross_$(LOCAL_MODULE)
+endif
 ifdef LOCAL_2ND_ARCH_VAR_PREFIX
 ifndef LOCAL_NO_2ND_ARCH_MODULE_SUFFIX
-my_register_name := $(LOCAL_MODULE)$($(my_prefix)2ND_ARCH_MODULE_SUFFIX)
+my_register_name := $(my_register_name)$($(my_prefix)2ND_ARCH_MODULE_SUFFIX)
 endif
 endif
 # Make sure that this IS_HOST/CLASS/MODULE combination is unique.
 module_id := MODULE.$(if \
-    $(LOCAL_IS_HOST_MODULE),HOST,TARGET).$(LOCAL_MODULE_CLASS).$(my_register_name)
+    $(LOCAL_IS_HOST_MODULE),$($(my_prefix)OS),TARGET).$(LOCAL_MODULE_CLASS).$(my_register_name)
 ifdef $(module_id)
 $(error $(LOCAL_PATH): $(module_id) already defined by $($(module_id)))
 endif
 $(module_id) := $(LOCAL_PATH)
 
-intermediates := $(call local-intermediates-dir,,$(LOCAL_2ND_ARCH_VAR_PREFIX))
+intermediates := $(call local-intermediates-dir,,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))
 intermediates.COMMON := $(call local-intermediates-dir,COMMON)
 generated_sources_dir := $(call local-generated-sources-dir)
 
@@ -181,7 +210,11 @@ ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
   # Apk and its attachments reside in its own subdir.
   ifeq ($(LOCAL_MODULE_CLASS),APPS)
   # framework-res.apk doesn't like the additional layer.
-  ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+  ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+  # Neither do Runtime Resource Overlay apks, which contain just the overlaid resources.
+  else ifeq ($(LOCAL_IS_RUNTIME_RESOURCE_OVERLAY),true)
+  else ifeq ($(LOCAL_IGNORE_SUBDIR),true)
+  else
     my_module_path := $(my_module_path)/$(LOCAL_MODULE)
   endif
   endif
@@ -191,290 +224,41 @@ endif
 # Assemble the list of targets to create PRIVATE_ variables for.
 LOCAL_INTERMEDIATE_TARGETS += $(LOCAL_BUILT_MODULE)
 
-
 ###########################################################
-## AIDL: Compile .aidl files to .java
+## Create .toc files from shared objects to reduce unnecessary rebuild
+# .toc files have the list of external dynamic symbols without their addresses.
+# As .KATI_RESTAT is specified to .toc files and commit-change-for-toc is used,
+# dependent binaries of a .toc file will be rebuilt only when the content of
+# the .toc file is changed.
 ###########################################################
+ifndef LOCAL_IS_HOST_MODULE
+# Disable .toc optimization for host modules: we may run the host binaries during the build process
+# and the libraries' implementation matters.
+ifeq ($(LOCAL_MODULE_CLASS),SHARED_LIBRARIES)
+LOCAL_INTERMEDIATE_TARGETS += $(LOCAL_BUILT_MODULE).toc
+$(LOCAL_BUILT_MODULE).toc: $(LOCAL_BUILT_MODULE)
+	$(call $(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)transform-shared-lib-to-toc,$<,$@.tmp)
+	$(call commit-change-for-toc,$@)
 
-aidl_sources := $(filter %.aidl,$(LOCAL_SRC_FILES))
-
-ifneq ($(strip $(aidl_sources)),)
-
-aidl_java_sources := $(patsubst %.aidl,%.java,$(addprefix $(intermediates.COMMON)/src/, $(aidl_sources)))
-aidl_sources := $(addprefix $(TOP_DIR)$(LOCAL_PATH)/, $(aidl_sources))
-
-aidl_preprocess_import :=
-LOCAL_SDK_VERSION:=$(strip $(LOCAL_SDK_VERSION))
-ifdef LOCAL_SDK_VERSION
-ifneq ($(filter current system_current, $(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS)),)
-  # LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS
-  aidl_preprocess_import := $(TARGET_OUT_COMMON_INTERMEDIATES)/framework.aidl
-else
-  aidl_preprocess_import := $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_VERSION)/framework.aidl
-endif # not current or system_current
-else
-# build against the platform.
-LOCAL_AIDL_INCLUDES += $(FRAMEWORKS_BASE_JAVA_SRC_DIRS)
-endif # LOCAL_SDK_VERSION
-$(aidl_java_sources): PRIVATE_AIDL_FLAGS := -b $(addprefix -p,$(aidl_preprocess_import)) -I$(LOCAL_PATH) -I$(LOCAL_PATH)/src $(addprefix -I,$(LOCAL_AIDL_INCLUDES))
-
-$(aidl_java_sources): $(intermediates.COMMON)/src/%.java: $(TOPDIR)$(LOCAL_PATH)/%.aidl $(LOCAL_ADDITIONAL_DEPENDENCIES) $(AIDL) $(aidl_preprocess_import)
-	$(transform-aidl-to-java)
--include $(aidl_java_sources:%.java=%.P)
-
-else
-aidl_java_sources :=
+# Kati adds restat=1 to ninja. GNU make does nothing for this.
+.KATI_RESTAT: $(LOCAL_BUILT_MODULE).toc
+# Build .toc file when using mm, mma, or make $(my_register_name)
+$(my_register_name): $(LOCAL_BUILT_MODULE).toc
+endif
 endif
 
 ###########################################################
-## logtags: Add .logtags files to global list, emit java source
+## logtags: Add .logtags files to global list
 ###########################################################
 
 logtags_sources := $(filter %.logtags,$(LOCAL_SRC_FILES))
 
 ifneq ($(strip $(logtags_sources)),)
-
 event_log_tags := $(addprefix $(LOCAL_PATH)/,$(logtags_sources))
-
-# Emit a java source file with constants for the tags, if
-# LOCAL_MODULE_CLASS is "APPS" or "JAVA_LIBRARIES".
-ifneq ($(filter $(LOCAL_MODULE_CLASS),APPS JAVA_LIBRARIES),)
-
-logtags_java_sources := $(patsubst %.logtags,%.java,$(addprefix $(intermediates.COMMON)/src/, $(logtags_sources)))
-logtags_sources := $(addprefix $(TOP_DIR)$(LOCAL_PATH)/, $(logtags_sources))
-
-$(logtags_java_sources): $(intermediates.COMMON)/src/%.java: $(TOPDIR)$(LOCAL_PATH)/%.logtags $(TARGET_OUT_COMMON_INTERMEDIATES)/all-event-log-tags.txt
-	$(transform-logtags-to-java)
-
-endif
-
 else
-logtags_java_sources :=
 event_log_tags :=
 endif
 
-###########################################################
-## .proto files: Compile proto files to .java
-###########################################################
-proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
-# Because names of the .java files compiled from .proto files are unknown until the
-# .proto files are compiled, we use a timestamp file as depedency.
-proto_java_sources_file_stamp :=
-ifneq ($(proto_sources),)
-proto_sources_fullpath := $(addprefix $(TOP_DIR)$(LOCAL_PATH)/, $(proto_sources))
-# By putting the generated java files into $(LOCAL_INTERMEDIATE_SOURCE_DIR), they will be
-# automatically found by the java compiling function transform-java-to-classes.jar.
-ifneq ($(LOCAL_INTERMEDIATE_SOURCE_DIR),)
-proto_java_intemediate_dir := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/proto
-else
-# LOCAL_INTERMEDIATE_SOURCE_DIR may be not defined in non-java modules.
-proto_java_intemediate_dir := $(intermediates)/proto
-endif
-proto_java_sources_file_stamp := $(proto_java_intemediate_dir)/Proto.stamp
-proto_java_sources_dir := $(proto_java_intemediate_dir)/src
-
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_INCLUDES := $(TOP)
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_SRC_FILES := $(proto_sources_fullpath)
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_DIR := $(proto_java_sources_dir)
-ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_OPTION := --javamicro_out
-else
-  ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_OPTION := --javanano_out
-  else
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_OPTION := --java_out
-  endif
-endif
-$(proto_java_sources_file_stamp): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS)
-$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_PARAMS := $(LOCAL_PROTO_JAVA_OUTPUT_PARAMS)
-$(proto_java_sources_file_stamp) : $(proto_sources_fullpath) $(PROTOC)
-	$(call transform-proto-to-java)
-
-#TODO: protoc should output the dependencies introduced by imports.
-
-LOCAL_INTERMEDIATE_TARGETS += $(proto_java_sources_file_stamp)
-endif # proto_sources
-
-
-###########################################################
-## Java: Compile .java files to .class
-###########################################################
-#TODO: pull this into java.make once host and target are combined
-
-java_sources := $(addprefix $(TOP_DIR)$(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) $(aidl_java_sources) $(logtags_java_sources) \
-                $(filter %.java,$(LOCAL_GENERATED_SOURCES))
-all_java_sources := $(java_sources) $(addprefix $($(my_prefix)OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
-
-## Java resources #########################################
-
-# Look for resource files in any specified directories.
-# Non-java and non-doc files will be picked up as resources
-# and included in the output jar file.
-java_resource_file_groups :=
-
-LOCAL_JAVA_RESOURCE_DIRS := $(strip $(LOCAL_JAVA_RESOURCE_DIRS))
-ifneq ($(LOCAL_JAVA_RESOURCE_DIRS),)
-  # This makes a list of words like
-  #     <dir1>::<file1>:<file2> <dir2>::<file1> <dir3>:
-  # where each of the files is relative to the directory it's grouped with.
-  # Directories that don't contain any resource files will result in groups
-  # that end with a colon, and they are stripped out in the next step.
-  java_resource_file_groups += \
-    $(foreach dir,$(LOCAL_JAVA_RESOURCE_DIRS), \
-	$(subst $(space),:,$(strip \
-		$(TOP_DIR)$(LOCAL_PATH)/$(dir): \
-	    $(patsubst ./%,%,$(shell cd $(TOP_DIR)$(LOCAL_PATH)/$(dir) && \
-		find . \
-		    -type d -a -name ".svn" -prune -o \
-		    -type f \
-			-a \! -name "*.java" \
-			-a \! -name "package.html" \
-			-a \! -name "overview.html" \
-			-a \! -name ".*.swp" \
-			-a \! -name ".DS_Store" \
-			-a \! -name "*~" \
-			-print \
-		    )) \
-	)) \
-    )
-  java_resource_file_groups := $(filter-out %:,$(java_resource_file_groups))
-endif # LOCAL_JAVA_RESOURCE_DIRS
-
-LOCAL_JAVA_RESOURCE_FILES := $(strip $(LOCAL_JAVA_RESOURCE_FILES))
-ifneq ($(LOCAL_JAVA_RESOURCE_FILES),)
-  java_resource_file_groups += \
-    $(foreach f,$(LOCAL_JAVA_RESOURCE_FILES), \
-	$(patsubst %/,%,$(dir $(f)))::$(notdir $(f)) \
-     )
-endif # LOCAL_JAVA_RESOURCE_FILES
-
-ifdef java_resource_file_groups
-  # The full paths to all resources, used for dependencies.
-  java_resource_sources := \
-    $(foreach group,$(java_resource_file_groups), \
-	$(addprefix $(word 1,$(subst :,$(space),$(group)))/, \
-	    $(wordlist 2,9999,$(subst :,$(space),$(group))) \
-	) \
-    )
-  # The arguments to jar that will include these files in a jar file.
-  # Quote the file name to handle special characters (such as #) correctly.
-  extra_jar_args := \
-    $(foreach group,$(java_resource_file_groups), \
-	$(addprefix -C "$(word 1,$(subst :,$(space),$(group)))" , \
-	    $(foreach w, $(wordlist 2,9999,$(subst :,$(space),$(group))), "$(w)" ) \
-	) \
-    )
-  java_resource_file_groups :=
-else
-  java_resource_sources :=
-  extra_jar_args :=
-endif # java_resource_file_groups
-
-## PRIVATE java vars ######################################
-# LOCAL_SOURCE_FILES_ALL_GENERATED is set only if the module does not have static source files,
-# but generated source files in its LOCAL_INTERMEDIATE_SOURCE_DIR.
-# You have to set up the dependency in some other way.
-need_compile_java := $(strip $(all_java_sources)$(all_res_assets))$(LOCAL_STATIC_JAVA_LIBRARIES)$(filter true,$(LOCAL_SOURCE_FILES_ALL_GENERATED))
-ifdef need_compile_java
-
-full_static_java_libs := \
-    $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
-      $(call intermediates-dir-for, \
-        JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),COMMON)/javalib.jar)
-
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_INSTALL_DIR := $(dir $(LOCAL_INSTALLED_MODULE))
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates)/classes
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(intermediates)/src
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAVA_SOURCES := $(all_java_sources)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAVA_OBJECTS := $(patsubst %.java,%.class,$(LOCAL_SRC_FILES))
-ifeq ($(my_prefix),TARGET_)
-ifeq ($(LOCAL_SDK_VERSION),)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,core-libart)
-else
-ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
-# LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,android_stubs_current)
-else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,android_system_stubs_current)
-else
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,sdk_v$(LOCAL_SDK_VERSION))
-endif # current or system_current
-endif # LOCAL_SDK_VERSION
-endif # TARGET_
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASSET_DIR := $(LOCAL_ASSET_DIR)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JAVA_LIBRARIES := $(full_static_java_libs)
-
-# full_java_libs: The list of files that should be used as the classpath.
-#                 Using this list as a dependency list WILL NOT WORK.
-# full_java_lib_deps: Should be specified as a prerequisite of this module
-#                 to guarantee that the files in full_java_libs will
-#                 be up-to-date.
-ifdef LOCAL_IS_HOST_MODULE
-ifeq ($(USE_CORE_LIB_BOOTCLASSPATH),true)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-deps,core-libart-hostdex,$(LOCAL_IS_HOST_MODULE))
-
-full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-else
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH :=
-
-full_shared_java_libs := $(addprefix $(HOST_OUT_JAVA_LIBRARIES)/,\
-    $(addsuffix $(COMMON_JAVA_PACKAGE_SUFFIX),$(LOCAL_JAVA_LIBRARIES)))
-full_java_lib_deps := $(full_shared_java_libs)
-endif # USE_CORE_LIB_BOOTCLASSPATH
-else # !LOCAL_IS_HOST_MODULE
-full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-endif # !LOCAL_IS_HOST_MODULE
-full_java_libs := $(full_shared_java_libs) $(full_static_java_libs) $(LOCAL_CLASSPATH)
-full_java_lib_deps += $(full_static_java_libs) $(LOCAL_CLASSPATH)
-
-# This is set by packages that are linking to other packages that export
-# shared libraries, allowing them to make use of the code in the linked apk.
-apk_libraries := $(sort $(LOCAL_APK_LIBRARIES) $(LOCAL_RES_LIBRARIES))
-ifneq ($(apk_libraries),)
-  link_apk_libraries := \
-      $(foreach lib,$(apk_libraries), \
-        $(call intermediates-dir-for, \
-              APPS,$(lib),,COMMON)/classes.jar)
-
-  # link against the jar with full original names (before proguard processing).
-  full_shared_java_libs += $(link_apk_libraries)
-  full_java_libs += $(link_apk_libraries)
-  full_java_lib_deps += $(link_apk_libraries)
-endif
-
-# This is set by packages that contain instrumentation, allowing them to
-# link against the package they are instrumenting.  Currently only one such
-# package is allowed.
-LOCAL_INSTRUMENTATION_FOR := $(strip $(LOCAL_INSTRUMENTATION_FOR))
-ifdef LOCAL_INSTRUMENTATION_FOR
-  ifneq ($(words $(LOCAL_INSTRUMENTATION_FOR)),1)
-    $(error \
-        $(LOCAL_PATH): Multiple LOCAL_INSTRUMENTATION_FOR members defined)
-  endif
-
-  link_instr_intermediates_dir.COMMON := $(call intermediates-dir-for, \
-      APPS,$(LOCAL_INSTRUMENTATION_FOR),,COMMON)
-  # link against the jar with full original names (before proguard processing).
-  link_instr_classes_jar := $(link_instr_intermediates_dir.COMMON)/classes.jar
-  full_java_libs += $(link_instr_classes_jar)
-  full_java_lib_deps += $(link_instr_classes_jar)
-endif
-
-endif  # need_compile_java
-
-# We may want to add jar manifest or jar resource files even if there is no java code at all.
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_EXTRA_JAR_ARGS := $(extra_jar_args)
-jar_manifest_file :=
-ifneq ($(strip $(LOCAL_JAR_MANIFEST)),)
-jar_manifest_file := $(LOCAL_PATH)/$(LOCAL_JAR_MANIFEST)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST := $(jar_manifest_file)
-else
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST :=
-endif
-
 ###########################################################
 ## make clean- targets
 ###########################################################
@@ -491,35 +275,12 @@ $(cleantarget)::
 ###########################################################
 ## Common definitions for module.
 ###########################################################
-
-# aapt doesn't accept multiple --extra-packages flags.
-# We have to collapse them into a single --extra-packages flag here.
-LOCAL_AAPT_FLAGS := $(strip $(LOCAL_AAPT_FLAGS))
-ifdef LOCAL_AAPT_FLAGS
-ifeq ($(filter 0 1,$(words $(filter --extra-packages,$(LOCAL_AAPT_FLAGS)))),)
-aapt_flags := $(subst --extra-packages$(space),--extra-packages@,$(LOCAL_AAPT_FLAGS))
-aapt_flags_extra_packages := $(patsubst --extra-packages@%,%,$(filter --extra-packages@%,$(aapt_flags)))
-aapt_flags_extra_packages := $(sort $(subst :,$(space),$(aapt_flags_extra_packages)))
-LOCAL_AAPT_FLAGS := $(filter-out --extra-packages@%,$(aapt_flags)) \
-    --extra-packages $(subst $(space),:,$(aapt_flags_extra_packages))
-aapt_flags_extra_packages :=
-aapt_flags :=
-endif
-endif
-
-# Propagate local configuration options to this target.
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_PATH:=$(LOCAL_PATH)
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_AAPT_FLAGS:= $(LOCAL_AAPT_FLAGS) $(PRODUCT_AAPT_FLAGS)
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_JAVA_LIBRARIES:= $(LOCAL_JAVA_LIBRARIES)
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_MANIFEST_PACKAGE_NAME:= $(LOCAL_MANIFEST_PACKAGE_NAME)
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_MANIFEST_INSTRUMENTATION_FOR:= $(LOCAL_MANIFEST_INSTRUMENTATION_FOR)
-
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_ALL_JAVA_LIBRARIES:= $(full_java_libs)
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_IS_HOST_MODULE := $(LOCAL_IS_HOST_MODULE)
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_HOST:= $(my_host)
+$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_PREFIX := $(my_prefix)
 
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_INTERMEDIATES_DIR:= $(intermediates)
-
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_2ND_ARCH_VAR_PREFIX := $(LOCAL_2ND_ARCH_VAR_PREFIX)
 
 # Tell the module and all of its sub-modules who it is.
@@ -531,6 +292,15 @@ $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_MODULE:= $(my_register_name)
 .PHONY: $(my_register_name)
 $(my_register_name): $(LOCAL_BUILT_MODULE) $(LOCAL_INSTALLED_MODULE)
 
+# Set up phony targets that covers all modules under the given paths.
+# This allows us to build everything in given paths by running mmma/mma.
+my_path_components := $(subst /,$(space),$(LOCAL_PATH))
+my_path_prefix := MODULES-IN
+$(foreach c, $(my_path_components),\
+  $(eval my_path_prefix := $(my_path_prefix)-$(c))\
+  $(eval .PHONY : $(my_path_prefix))\
+  $(eval $(my_path_prefix) : $(my_register_name)))
+
 ###########################################################
 ## Module installation rule
 ###########################################################
@@ -540,7 +310,7 @@ ifneq ($(strip $(HOST_ACP_UNAVAILABLE)),)
   LOCAL_ACP_UNAVAILABLE := $(strip $(HOST_ACP_UNAVAILABLE))
 endif
 
-ifndef LOCAL_UNINSTALLABLE_MODULE
+ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
   # Define a copy rule to install the module.
   # acp and libraries that it uses can't use acp for
   # installation;  hence, LOCAL_ACP_UNAVAILABLE.
@@ -556,36 +326,95 @@ $(LOCAL_INSTALLED_MODULE): $(LOCAL_BUILT_MODULE)
 	$(copy-file-to-target-with-cp)
 endif
 
-endif # !LOCAL_UNINSTALLABLE_MODULE
+# Rule to install the module's companion init.rc.
+my_init_rc := $(LOCAL_INIT_RC_$(my_32_64_bit_suffix))
+my_init_rc_src :=
+my_init_rc_installed :=
+ifndef my_init_rc
+my_init_rc := $(LOCAL_INIT_RC)
+# Make sure we don't define the rule twice in multilib module.
+LOCAL_INIT_RC :=
+endif
+ifdef my_init_rc
+my_init_rc_src := $(LOCAL_PATH)/$(my_init_rc)
+my_init_rc_installed := $(TARGET_OUT$(partition_tag)_ETC)/init/$(notdir $(my_init_rc_src))
+$(my_init_rc_installed) : $(my_init_rc_src) | $(ACP)
+	@echo "Install: $@"
+	$(copy-file-to-new-target)
 
+$(my_register_name) : $(my_init_rc_installed)
+endif # my_init_rc
+endif # !LOCAL_UNINSTALLABLE_MODULE
 
 ###########################################################
 ## CHECK_BUILD goals
 ###########################################################
-
-ifdef java_alternative_checked_module
-  LOCAL_CHECKED_MODULE := $(java_alternative_checked_module)
-endif
-
+my_checked_module :=
 # If nobody has defined a more specific module for the
 # checked modules, use LOCAL_BUILT_MODULE.
-ifndef LOCAL_CHECKED_MODULE
-  LOCAL_CHECKED_MODULE := $(LOCAL_BUILT_MODULE)
+ifdef LOCAL_CHECKED_MODULE
+  my_checked_module := $(LOCAL_CHECKED_MODULE)
+else
+  my_checked_module := $(LOCAL_BUILT_MODULE)
 endif
 
 # If they request that this module not be checked, then don't.
 # PLEASE DON'T SET THIS.  ANY PLACES THAT SET THIS WITHOUT
 # GOOD REASON WILL HAVE IT REMOVED.
 ifdef LOCAL_DONT_CHECK_MODULE
-  LOCAL_CHECKED_MODULE :=
+  my_checked_module :=
 endif
 # Don't check build target module defined for the 2nd arch
 ifndef LOCAL_IS_HOST_MODULE
 ifdef LOCAL_2ND_ARCH_VAR_PREFIX
-  LOCAL_CHECKED_MODULE :=
+  my_checked_module :=
 endif
 endif
 
+###########################################################
+## Compatibiliy suite files.
+###########################################################
+ifdef LOCAL_COMPATIBILITY_SUITE
+ifneq ($(words $(LOCAL_COMPATIBILITY_SUITE)),1)
+$(error $(LOCAL_PATH):$(LOCAL_MODULE) LOCAL_COMPATIBILITY_SUITE can be only one name)
+endif
+
+# The module itself.
+my_compat_dist := \
+  $(LOCAL_BUILT_MODULE):$(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(my_installed_module_stem)
+
+# Make sure we only add the files once for multilib modules.
+ifndef $(my_prefix)$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_compat_files
+$(my_prefix)$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_compat_files := true
+
+# LOCAL_COMPATIBILITY_SUPPORT_FILES is a list of <src>[:<dest>].
+my_compat_dist += $(foreach f, $(LOCAL_COMPATIBILITY_SUPPORT_FILES),\
+  $(eval p := $(subst :,$(space),$(f)))\
+  $(eval s := $(word 1,$(p)))\
+  $(eval d := $(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(or $(word 2,$(p)),$(notdir $(word 1,$(p)))))\
+  $(s):$(d))
+
+ifneq (,$(wildcard $(LOCAL_PATH)/AndroidTest.xml))
+my_compat_dist += \
+  $(LOCAL_PATH)/AndroidTest.xml:$(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE).config
+endif
+
+ifneq (,$(wildcard $(LOCAL_PATH)/DynamicConfig.xml))
+my_compat_dist += \
+  $(LOCAL_PATH)/DynamicConfig.xml:$(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE).dynamic
+endif
+endif # $(my_prefix)$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_compat_files
+
+my_compat_files := $(call copy-many-files, $(my_compat_dist))
+
+COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES := \
+  $(COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES) \
+  $(my_compat_files)
+
+# Copy over the compatibility files when user runs mm/mmm.
+$(my_register_name) : $(my_compat_files)
+endif  # LOCAL_COMPATIBILITY_SUITE
+
 ###########################################################
 ## Register with ALL_MODULES
 ###########################################################
@@ -601,14 +430,17 @@ ALL_MODULES.$(my_register_name).PATH := \
 ALL_MODULES.$(my_register_name).TAGS := \
     $(ALL_MODULES.$(my_register_name).TAGS) $(my_module_tags)
 ALL_MODULES.$(my_register_name).CHECKED := \
-    $(ALL_MODULES.$(my_register_name).CHECKED) $(LOCAL_CHECKED_MODULE)
+    $(ALL_MODULES.$(my_register_name).CHECKED) $(my_checked_module)
 ALL_MODULES.$(my_register_name).BUILT := \
     $(ALL_MODULES.$(my_register_name).BUILT) $(LOCAL_BUILT_MODULE)
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
 ALL_MODULES.$(my_register_name).INSTALLED := \
-    $(strip $(ALL_MODULES.$(my_register_name).INSTALLED) $(LOCAL_INSTALLED_MODULE))
+    $(strip $(ALL_MODULES.$(my_register_name).INSTALLED) \
+    $(LOCAL_INSTALLED_MODULE) $(my_init_rc_installed))
 ALL_MODULES.$(my_register_name).BUILT_INSTALLED := \
-    $(strip $(ALL_MODULES.$(my_register_name).BUILT_INSTALLED) $(LOCAL_BUILT_MODULE):$(LOCAL_INSTALLED_MODULE))
+    $(strip $(ALL_MODULES.$(my_register_name).BUILT_INSTALLED) \
+    $(LOCAL_BUILT_MODULE):$(LOCAL_INSTALLED_MODULE) \
+    $(addprefix $(my_init_rc_src):,$(my_init_rc_installed)))
 endif
 ifdef LOCAL_PICKUP_FILES
 # Files or directories ready to pick up by the build system
@@ -616,13 +448,15 @@ ifdef LOCAL_PICKUP_FILES
 ALL_MODULES.$(my_register_name).PICKUP_FILES := \
     $(ALL_MODULES.$(my_register_name).PICKUP_FILES) $(LOCAL_PICKUP_FILES)
 endif
+my_required_modules := $(LOCAL_REQUIRED_MODULES) \
+    $(LOCAL_REQUIRED_MODULES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+ifdef LOCAL_IS_HOST_MODULE
+my_required_modules += $(LOCAL_REQUIRED_MODULES_$($(my_prefix)OS))
+endif
 ALL_MODULES.$(my_register_name).REQUIRED := \
-    $(strip $(ALL_MODULES.$(my_register_name).REQUIRED) $(LOCAL_REQUIRED_MODULES) \
-      $(LOCAL_REQUIRED_MODULES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
+    $(strip $(ALL_MODULES.$(my_register_name).REQUIRED) $(my_required_modules))
 ALL_MODULES.$(my_register_name).EVENT_LOG_TAGS := \
     $(ALL_MODULES.$(my_register_name).EVENT_LOG_TAGS) $(event_log_tags)
-ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR := \
-    $(ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR) $(LOCAL_INTERMEDIATE_SOURCE_DIR)
 ALL_MODULES.$(my_register_name).MAKEFILE := \
     $(ALL_MODULES.$(my_register_name).MAKEFILE) $(LOCAL_MODULE_MAKEFILE)
 ifdef LOCAL_MODULE_OWNER
@@ -632,12 +466,25 @@ endif
 ifdef LOCAL_2ND_ARCH_VAR_PREFIX
 ALL_MODULES.$(my_register_name).FOR_2ND_ARCH := true
 endif
-ifdef aidl_sources
-ALL_MODULES.$(my_register_name).AIDL_FILES := $(aidl_sources)
-endif
+ALL_MODULES.$(my_register_name).FOR_HOST_CROSS := $(my_host_cross)
 
 INSTALLABLE_FILES.$(LOCAL_INSTALLED_MODULE).MODULE := $(my_register_name)
 
+##########################################################
+# Track module-level dependencies.
+# Use $(LOCAL_MODULE) instead of $(my_register_name) to ignore module's bitness.
+ALL_DEPS.MODULES := $(sort $(ALL_DEPS.MODULES) $(LOCAL_MODULE))
+ALL_DEPS.$(LOCAL_MODULE).ALL_DEPS := $(sort \
+  $(ALL_MODULES.$(LOCAL_MODULE).ALL_DEPS) \
+  $(LOCAL_STATIC_LIBRARIES) \
+  $(LOCAL_WHOLE_STATIC_LIBRARIES) \
+  $(LOCAL_SHARED_LIBRARIES) \
+  $(LOCAL_STATIC_JAVA_LIBRARIES) \
+  $(LOCAL_JAVA_LIBRARIES)\
+  $(LOCAL_JNI_SHARED_LIBRARIES))
+
+ALL_DEPS.$(LOCAL_MODULE).LICENSE := $(sort $(ALL_DEPS.$(LOCAL_MODULE).LICENSE) $(license_files))
+
 ###########################################################
 ## Take care of my_module_tags
 ###########################################################
@@ -645,14 +492,6 @@ INSTALLABLE_FILES.$(LOCAL_INSTALLED_MODULE).MODULE := $(my_register_name)
 # Keep track of all the tags we've seen.
 ALL_MODULE_TAGS := $(sort $(ALL_MODULE_TAGS) $(my_module_tags))
 
-# Add this module to the tag list of each specified tag.
-# Don't use "+=". If the variable hasn't been set with ":=",
-# it will default to recursive expansion.
-$(foreach tag,$(my_module_tags),\
-    $(eval ALL_MODULE_TAGS.$(tag) := \
-        $(ALL_MODULE_TAGS.$(tag)) \
-        $(LOCAL_INSTALLED_MODULE)))
-
 # Add this module name to the tag list of each specified tag.
 $(foreach tag,$(my_module_tags),\
     $(eval ALL_MODULE_NAME_TAGS.$(tag) += $(my_register_name)))
@@ -675,9 +514,9 @@ h_or_t := target
 endif
 
 ifdef j_or_n
-$(j_or_n) $(h_or_t) $(j_or_n)-$(h_or_t) : $(LOCAL_CHECKED_MODULE)
+$(j_or_n) $(h_or_t) $(j_or_n)-$(h_or_t) : $(my_checked_module)
 ifneq (,$(filter $(my_module_tags),tests))
-$(j_or_n)-$(h_or_t)-tests $(j_or_n)-tests $(h_or_t)-tests : $(LOCAL_CHECKED_MODULE)
+$(j_or_n)-$(h_or_t)-tests $(j_or_n)-tests $(h_or_t)-tests : $(my_checked_module)
 endif
 endif
 
@@ -686,5 +525,3 @@ endif
 ###########################################################
 
 include $(BUILD_NOTICE_FILE)
-
-#:vi noexpandtab
diff --git a/core/binary.mk b/core/binary.mk
index 1e313ffe4..069a3dd85 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -9,6 +9,68 @@
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################
 
+##################################################
+# Compute the dependency of the shared libraries
+##################################################
+# On the target, we compile with -nostdlib, so we must add in the
+# default system shared libraries, unless they have requested not
+# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value.  One would
+# supply that, for example, when building libc itself.
+ifdef LOCAL_IS_HOST_MODULE
+  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
+      my_system_shared_libraries :=
+  else
+      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
+  endif
+else
+  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
+      my_system_shared_libraries := libc libm
+  else
+      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
+  endif
+endif
+
+# Many qcom modules don't correctly set a dependency on the kernel headers. Fix it for them,
+# but warn the user.
+ifneq (,$(findstring $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include,$(LOCAL_C_INCLUDES)))
+  ifeq (,$(findstring $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr,$(LOCAL_ADDITIONAL_DEPENDENCIES)))
+    $(warning $(LOCAL_MODULE) uses kernel headers, but does not depend on them!)
+    LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+  endif
+endif
+
+# The following LOCAL_ variables will be modified in this file.
+# Because the same LOCAL_ variables may be used to define modules for both 1st arch and 2nd arch,
+# we can't modify them in place.
+my_src_files := $(LOCAL_SRC_FILES)
+my_src_files_exclude := $(LOCAL_SRC_FILES_EXCLUDE)
+my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
+my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES)
+my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
+my_cflags := $(LOCAL_CFLAGS)
+my_conlyflags := $(LOCAL_CONLYFLAGS)
+my_cppflags := $(LOCAL_CPPFLAGS)
+my_cflags_no_override := $(GLOBAL_CFLAGS_NO_OVERRIDE)
+my_cppflags_no_override := $(GLOBAL_CPPFLAGS_NO_OVERRIDE)
+my_ldflags := $(LOCAL_LDFLAGS)
+my_ldlibs := $(LOCAL_LDLIBS)
+my_asflags := $(LOCAL_ASFLAGS)
+my_cc := $(LOCAL_CC)
+my_cc_wrapper := $(CC_WRAPPER)
+my_cxx := $(LOCAL_CXX)
+my_cxx_wrapper := $(CXX_WRAPPER)
+my_c_includes := $(LOCAL_C_INCLUDES)
+my_generated_sources := $(LOCAL_GENERATED_SOURCES)
+my_native_coverage := $(LOCAL_NATIVE_COVERAGE)
+my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
+
+ifdef LOCAL_IS_HOST_MODULE
+my_allow_undefined_symbols := true
+else
+my_allow_undefined_symbols := $(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS))
+endif
+
 my_ndk_sysroot :=
 my_ndk_sysroot_include :=
 my_ndk_sysroot_lib :=
@@ -22,12 +84,35 @@ ifdef LOCAL_SDK_VERSION
   my_ndk_source_root := $(HISTORICAL_NDK_VERSIONS_ROOT)/current/sources
   my_ndk_sysroot := $(HISTORICAL_NDK_VERSIONS_ROOT)/current/platforms/android-$(LOCAL_SDK_VERSION)/arch-$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
   my_ndk_sysroot_include := $(my_ndk_sysroot)/usr/include
-  ifeq (x86_64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+
+  # x86_64 and and mips64 are both multilib toolchains, so their libraries are
+  # installed in /usr/lib64. Aarch64, on the other hand, is not a multilib
+  # compiler, so its libraries are in /usr/lib.
+  #
+  # Mips32r6 is yet another variation, with libraries installed in libr6.
+  #
+  # For the rest, the libraries are installed simply to /usr/lib.
+  ifneq (,$(filter x86_64 mips64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
     my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib64
+  else ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT))
+    my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/libr6
   else
     my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib
   endif
 
+  # The bionic linker now has support for packed relocations and gnu style
+  # hashes (which are much faster!), but shipping to older devices requires
+  # the old style hash. Fortunately, we can build with both and it'll work
+  # anywhere.
+  #
+  # This is not currently supported on MIPS architectures.
+  ifeq (,$(filter mips mips64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
+    my_ldflags += -Wl,--hash-style=both
+  endif
+
+  # We don't want to expose the relocation packer to the NDK just yet.
+  LOCAL_PACK_MODULE_RELOCATIONS := false
+
   # Set up the NDK stl variant. Starting from NDK-r5 the c++ stl resides in a separate location.
   # See ndk/docs/CPLUSPLUS-SUPPORT.html
   my_ndk_stl_include_path :=
@@ -35,23 +120,28 @@ ifdef LOCAL_SDK_VERSION
   my_ndk_stl_shared_lib :=
   my_ndk_stl_static_lib :=
   my_ndk_stl_cppflags :=
+  my_cpu_variant := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)
+  ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT))
+    my_cpu_variant := mips32r6
+  endif
   LOCAL_NDK_STL_VARIANT := $(strip $(LOCAL_NDK_STL_VARIANT))
   ifeq (,$(LOCAL_NDK_STL_VARIANT))
     LOCAL_NDK_STL_VARIANT := system
   endif
-  ifneq (1,$(words $(filter system stlport_static stlport_shared c++_static c++_shared gnustl_static, $(LOCAL_NDK_STL_VARIANT))))
+  ifneq (1,$(words $(filter none system stlport_static stlport_shared c++_static c++_shared gnustl_static, $(LOCAL_NDK_STL_VARIANT))))
     $(error $(LOCAL_PATH): Unknown LOCAL_NDK_STL_VARIANT $(LOCAL_NDK_STL_VARIANT))
   endif
   ifeq (system,$(LOCAL_NDK_STL_VARIANT))
     my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/system/include
-    # for "system" variant, the shared library exists in the system library and -lstdc++ is added by default.
+    my_system_shared_libraries += libstdc++
   else # LOCAL_NDK_STL_VARIANT is not system
   ifneq (,$(filter stlport_%, $(LOCAL_NDK_STL_VARIANT)))
     my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/stlport/stlport
+    my_system_shared_libraries += libstdc++
     ifeq (stlport_static,$(LOCAL_NDK_STL_VARIANT))
-      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libstlport_static.a
+      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_static.a
     else
-      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libstlport_shared.so
+      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_shared.so
       my_ndk_stl_shared_lib := -lstlport_shared
     endif
   else # LOCAL_NDK_STL_VARIANT is not stlport_* either
@@ -60,63 +150,29 @@ ifdef LOCAL_SDK_VERSION
                                $(my_ndk_source_root)/cxx-stl/llvm-libc++/gabi++/include \
                                $(my_ndk_source_root)/android/support/include
     ifeq (c++_static,$(LOCAL_NDK_STL_VARIANT))
-      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libc++_static.a
+      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_static.a
     else
-      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libc++_shared.so
+      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_shared.so
       my_ndk_stl_shared_lib := -lc++_shared
     endif
     my_ndk_stl_cppflags := -std=c++11
-  else
-    # LOCAL_NDK_STL_VARIANT is gnustl_static
-    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/include \
+  else # LOCAL_NDK_STL_VARIANT is not c++_* either
+  ifneq (,$(filter gnustl_%, $(LOCAL_NDK_STL_VARIANT)))
+    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/include \
                                $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/include
-    my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)/libgnustl_static.a
+    my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/libgnustl_static.a
+  else # LOCAL_NDK_STL_VARIANT must be none
+    # Do nothing.
   endif
   endif
   endif
-endif
-
-##################################################
-# Compute the dependency of the shared libraries
-##################################################
-# On the target, we compile with -nostdlib, so we must add in the
-# default system shared libraries, unless they have requested not
-# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value.  One would
-# supply that, for example, when building libc itself.
-ifdef LOCAL_IS_HOST_MODULE
-  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
-      my_system_shared_libraries :=
-  else
-      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
-  endif
-else
-  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
-      my_system_shared_libraries := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES)
-  else
-      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
   endif
 endif
 
-# The following LOCAL_ variables will be modified in this file.
-# Because the same LOCAL_ variables may be used to define modules for both 1st arch and 2nd arch,
-# we can't modify them in place.
-my_src_files := $(LOCAL_SRC_FILES)
-my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
-my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES)
-my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
-my_cflags := $(LOCAL_CFLAGS)
-my_cppflags := $(LOCAL_CPPFLAGS)
-my_ldflags := $(LOCAL_LDFLAGS)
-my_asflags := $(LOCAL_ASFLAGS)
-my_cc := $(LOCAL_CC)
-my_cxx := $(LOCAL_CXX)
-my_c_includes := $(LOCAL_C_INCLUDES)
-my_generated_sources := $(LOCAL_GENERATED_SOURCES)
-
 # MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because
 # all code is position independent, and then those warnings get promoted to
 # errors.
-ifeq ($(strip $(USE_MINGW)),)
+ifneq ($($(my_prefix)OS),windows)
 ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
 my_cflags += -fpie
 else
@@ -124,7 +180,21 @@ my_cflags += -fPIC
 endif
 endif
 
+ifdef LOCAL_IS_HOST_MODULE
+my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)OS)) $(LOCAL_SRC_FILES_$($(my_prefix)OS)_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+my_static_libraries += $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)OS))
+my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)OS))
+my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)OS))
+my_cppflags += $(LOCAL_CPPFLAGS_$($(my_prefix)OS))
+my_ldflags += $(LOCAL_LDFLAGS_$($(my_prefix)OS))
+my_ldlibs += $(LOCAL_LDLIBS_$($(my_prefix)OS))
+my_asflags += $(LOCAL_ASFLAGS_$($(my_prefix)OS))
+my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)OS))
+my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)OS))
+endif
+
 my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
+my_src_files_exclude += $(LOCAL_SRC_FILES_EXCLUDE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_EXCLUDE_$(my_32_64_bit_suffix))
 my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SHARED_LIBRARIES_$(my_32_64_bit_suffix))
 my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
 my_cppflags += $(LOCAL_CPPFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CPPFLAGS_$(my_32_64_bit_suffix))
@@ -133,66 +203,141 @@ my_asflags += $(LOCAL_ASFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $
 my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix))
 my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_GENERATED_SOURCES_$(my_32_64_bit_suffix))
 
-my_clang := $(LOCAL_CLANG)
+my_missing_exclude_files := $(filter-out $(my_src_files),$(my_src_files_exclude))
+ifneq ($(my_missing_exclude_files),)
+$(warning Files are listed in LOCAL_SRC_FILES_EXCLUDE but not LOCAL_SRC_FILES)
+$(error $(my_missing_exclude_files))
+endif
+my_src_files := $(filter-out $(my_src_files_exclude),$(my_src_files))
+
+my_clang := $(strip $(LOCAL_CLANG))
 ifdef LOCAL_CLANG_$(my_32_64_bit_suffix)
-my_clang := $(LOCAL_CLANG_$(my_32_64_bit_suffix))
+my_clang := $(strip $(LOCAL_CLANG_$(my_32_64_bit_suffix)))
 endif
 ifdef LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
-my_clang := $(LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+my_clang := $(strip $(LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
 endif
 
-# arch-specific static libraries go first so that generic ones can depend on them
-my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries)
-my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_whole_static_libraries)
+my_sdclang := $(strip $(LOCAL_SDCLANG))
 
-my_cflags := $(filter-out $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_UNSUPPORTED_CFLAGS),$(my_cflags))
+# clang is enabled by default for host builds
+# enable it unless we've specifically disabled clang above
+ifdef LOCAL_IS_HOST_MODULE
+    ifneq ($($(my_prefix)OS),windows)
+    ifeq ($(my_clang),)
+        my_clang := true
+    endif
+    endif
+# Add option to make gcc the default for device build
+else ifeq ($(USE_CLANG_PLATFORM_BUILD),false)
+    ifeq ($(my_clang),)
+        my_clang := false
+    endif
+else ifeq ($(my_clang),)
+    my_clang := true
+endif
+
+my_cpp_std_version := -std=gnu++14
 
+ifneq ($(my_clang),true)
+    # GCC uses an invalid C++14 ABI (emits calls to
+    # __cxa_throw_bad_array_length, which is not a valid C++ RT ABI).
+    # http://b/25022512
+    my_cpp_std_version := -std=gnu++11
+endif
 
-# Replace libstdc++ with libc++ if it's seen
-my_libcxx := $(filter libc++, $(my_shared_libraries))
-ifdef my_libcxx
-my_system_shared_libraries := $(filter-out libstdc++, $(my_system_shared_libraries))
+ifdef LOCAL_SDK_VERSION
+    # The NDK handles this itself.
+    my_cpp_std_version :=
 endif
 
+ifdef LOCAL_IS_HOST_MODULE
+    ifneq ($(my_clang),true)
+        # The host GCC doesn't support C++14 (and is deprecated, so likely
+        # never will). Build these modules with C++11.
+        my_cpp_std_version := -std=gnu++11
+    endif
+endif
+
+my_cppflags := $(my_cpp_std_version) $(my_cppflags)
+
+
+ifeq ($(SDCLANG),true)
+    ifeq ($(my_sdclang),)
+        ifeq ($(TARGET_USE_SDCLANG),true)
+            my_sdclang := true
+        endif
+    endif
+endif
+
+# arch-specific static libraries go first so that generic ones can depend on them
+my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries)
+my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_whole_static_libraries)
+
+include $(BUILD_SYSTEM)/cxx_stl_setup.mk
+
 # Add static HAL libraries
 ifdef LOCAL_HAL_STATIC_LIBRARIES
 $(foreach lib, $(LOCAL_HAL_STATIC_LIBRARIES), \
     $(eval b_lib := $(filter $(lib).%,$(BOARD_HAL_STATIC_LIBRARIES)))\
-    $(if $(b_lib), $(eval my_static_libraries += $(b_lib)),\
-                   $(eval my_static_libraries += $(lib).default)))
+    $(if $(b_lib), $(eval my_static_libraries := $(b_lib) $(my_static_libraries)),\
+                   $(eval my_static_libraries := $(lib).default $(my_static_libraries))))
 b_lib :=
 endif
 
-ifeq ($(strip $(LOCAL_ADDRESS_SANITIZER)),true)
-  my_clang := true
-  # Frame pointer based unwinder in ASan requires ARM frame setup.
-  LOCAL_ARM_MODE := arm
-  my_cflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
-  my_ldflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS)
-  my_shared_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES)
-  my_static_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
+ifneq ($(strip $(CUSTOM_$(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)LINKER)),)
+  my_linker := $(CUSTOM_$(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)LINKER)
+else
+  my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LINKER)
 endif
 
-ifeq ($(strip $($(LOCAL_2ND_ARCH_VAR_PREFIX)WITHOUT_$(my_prefix)CLANG)),true)
-  my_clang :=
-endif
+include $(BUILD_SYSTEM)/config_sanitizers.mk
 
 # Add in libcompiler_rt for all regular device builds
-ifeq (,$(LOCAL_SDK_VERSION)$(LOCAL_IS_HOST_MODULE)$(WITHOUT_LIBCOMPILER_RT))
+ifeq (,$(LOCAL_SDK_VERSION)$(WITHOUT_LIBCOMPILER_RT))
   my_static_libraries += $(COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES)
 endif
 
-my_compiler_dependencies :=
-
-##################################################################
+####################################################
 ## Add FDO flags if FDO is turned on and supported
 ## Please note that we will do option filtering during FDO build.
 ## i.e. Os->O2, remove -fno-early-inline and -finline-limit.
 ##################################################################
-ifeq ($(strip $(LOCAL_FDO_SUPPORT)), true)
-  ifeq ($(strip $(LOCAL_IS_HOST_MODULE)),)
-    my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_CFLAGS)
-    my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_LDFLAGS)
+my_fdo_build :=
+ifneq ($(filter true always, $(LOCAL_FDO_SUPPORT)),)
+  ifeq ($(BUILD_FDO_INSTRUMENT),true)
+    my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_CFLAGS)
+    my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_LDFLAGS)
+    my_fdo_build := true
+  else ifneq ($(filter true,$(BUILD_FDO_OPTIMIZE))$(filter always,$(LOCAL_FDO_SUPPORT)),)
+    my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_OPTIMIZE_CFLAGS)
+    my_fdo_build := true
+  endif
+  # Disable ccache (or other compiler wrapper) except gomacc, unless
+  # it can handle -fprofile-use properly.
+
+  # ccache supports -fprofile-use as of version 3.2. Parse the version output
+  # of each wrapper to determine if it's ccache 3.2 or newer.
+  is_cc_ccache := $(shell if [ "`$(my_cc_wrapper) -V 2>/dev/null | head -1 | cut -d' ' -f1`" = ccache ]; then echo true; fi)
+  ifeq ($(is_cc_ccache),true)
+    cc_ccache_version := $(shell $(my_cc_wrapper) -V | head -1 | grep -o '[[:digit:]]\+\.[[:digit:]]\+')
+    vmajor := $(shell echo $(cc_ccache_version) | cut -d'.' -f1)
+    vminor := $(shell echo $(cc_ccache_version) | cut -d'.' -f2)
+    cc_ccache_ge_3_2 = $(shell if [ $(vmajor) -gt 3 -o $(vmajor) -eq 3 -a $(vminor) -ge 2 ]; then echo true; fi)
+  endif
+  is_cxx_ccache := $(shell if [ "`$(my_cxx_wrapper) -V 2>/dev/null | head -1 | cut -d' ' -f1`" = ccache ]; then echo true; fi)
+  ifeq ($(is_cxx_ccache),true)
+    cxx_ccache_version := $(shell $(my_cxx_wrapper) -V | head -1 | grep -o '[[:digit:]]\+\.[[:digit:]]\+')
+    vmajor := $(shell echo $(cxx_ccache_version) | cut -d'.' -f1)
+    vminor := $(shell echo $(cxx_ccache_version) | cut -d'.' -f2)
+    cxx_ccache_ge_3_2 = $(shell if [ $(vmajor) -gt 3 -o $(vmajor) -eq 3 -a $(vminor) -ge 2 ]; then echo true; fi)
+  endif
+
+  ifneq ($(cc_ccache_ge_3_2),true)
+    my_cc_wrapper := $(filter $(GOMA_CC),$(my_cc_wrapper))
+  endif
+  ifneq ($(cxx_ccache_ge_3_2),true)
+    my_cxx_wrapper := $(filter $(GOMA_CC),$(my_cxx_wrapper))
   endif
 endif
 
@@ -203,30 +348,6 @@ endif
 my_asflags += -D__ASSEMBLY__
 
 
-##########################################################
-## Set up installed module dependency
-## We cannot compute the full path of the LOCAL_SHARED_LIBRARIES for
-## they may cusomize their install path with LOCAL_MODULE_PATH
-##########################################################
-# Get the list of INSTALLED libraries as module names.
-ifdef LOCAL_SDK_VERSION
-  installed_shared_library_module_names := \
-      $(my_shared_libraries)
-else
-  installed_shared_library_module_names := \
-      $(my_system_shared_libraries) $(my_shared_libraries)
-endif
-installed_shared_library_module_names := $(sort $(installed_shared_library_module_names))
-
-# The real dependency will be added after all Android.mks are loaded and the install paths
-# of the shared libraries are determined.
-ifdef LOCAL_INSTALLED_MODULE
-ifdef installed_shared_library_module_names
-$(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
-    $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(installed_shared_library_module_names))
-endif
-endif
-
 ###########################################################
 ## Define PRIVATE_ variables from global vars
 ###########################################################
@@ -243,11 +364,20 @@ endif # LOCAL_SDK_VERSION
 
 ifeq ($(my_clang),true)
 my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CFLAGS)
+my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CONLYFLAGS)
 my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CPPFLAGS)
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_LDFLAGS)
-my_target_c_includes += $(CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES)
+    ifeq ($(my_sdclang),true)
+        ifeq ($(strip $(my_cc)),)
+            my_cc := $(my_cc_wrapper) $(SDCLANG_PATH)/clang $(SDLLVM_AE_FLAG) -Wno-vectorizer-no-neon
+        endif
+        ifeq ($(strip $(my_cxx)),)
+            my_cxx := $(my_cxx_wrapper) $(SDCLANG_PATH)/clang++ $(SDLLVM_AE_FLAG) -Wno-vectorizer-no-neon
+        endif
+    endif
 else
 my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS)
+my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CONLYFLAGS)
 my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS)
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LDFLAGS)
 endif # my_clang
@@ -255,29 +385,60 @@ endif # my_clang
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_PROJECT_INCLUDES := $(my_target_project_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_C_INCLUDES := $(my_target_c_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CFLAGS := $(my_target_global_cflags)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CONLYFLAGS := $(my_target_global_conlyflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CPPFLAGS := $(my_target_global_cppflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
 
 else # LOCAL_IS_HOST_MODULE
 
 ifeq ($(my_clang),true)
-my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_HOST_GLOBAL_CFLAGS)
-my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_HOST_GLOBAL_CPPFLAGS)
-my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_HOST_GLOBAL_LDFLAGS)
-my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_C_INCLUDES) $(CLANG_CONFIG_EXTRA_HOST_C_INCLUDES)
+my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CFLAGS)
+my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS)
+my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS)
+my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS)
+my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_INCLUDES)
 else
-my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CFLAGS)
-my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CPPFLAGS)
-my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_LDFLAGS)
-my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_C_INCLUDES)
+my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CFLAGS)
+my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS)
+my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS)
+my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_LDFLAGS)
+my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_INCLUDES)
 endif # my_clang
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_C_INCLUDES := $(my_host_c_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CFLAGS := $(my_host_global_cflags)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CONLYFLAGS := $(my_host_global_conlyflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CPPFLAGS := $(my_host_global_cppflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_LDFLAGS := $(my_host_global_ldflags)
 endif # LOCAL_IS_HOST_MODULE
 
+# To enable coverage for a given module, set LOCAL_NATIVE_COVERAGE=true and
+# build with NATIVE_COVERAGE=true in your enviornment. Note that the build
+# system is not sensitive to changes to NATIVE_COVERAGE, so you should do a
+# clean build of your module after toggling it.
+ifeq ($(NATIVE_COVERAGE),true)
+    ifeq ($(my_native_coverage),true)
+        # Note that clang coverage doesn't play nicely with acov out of the box.
+        # Clang apparently generates .gcno files that aren't compatible with
+        # gcov-4.8.  This can be solved by installing gcc-4.6 and invoking lcov
+        # with `--gcov-tool /usr/bin/gcov-4.6`.
+        #
+        # http://stackoverflow.com/questions/17758126/clang-code-coverage-invalid-output
+        my_cflags += --coverage -O0
+        my_ldflags += --coverage
+    endif
+else
+    my_native_coverage := false
+endif
+
+ifeq ($(my_clang),true)
+    my_coverage_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBPROFILE_RT)
+else
+    my_coverage_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCOV)
+endif
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_COVERAGE_LIB := $(my_coverage_lib)
+
 ###########################################################
 ## Define PRIVATE_ variables used by multiple module types
 ###########################################################
@@ -292,6 +453,12 @@ ifeq ($(strip $(WITH_STATIC_ANALYZER)),)
   LOCAL_NO_STATIC_ANALYZER := true
 endif
 
+# Clang does not recognize all gcc flags.
+# Use static analyzer only if clang is used.
+ifneq ($(my_clang),true)
+  LOCAL_NO_STATIC_ANALYZER := true
+endif
+
 ifneq ($(strip $(LOCAL_IS_HOST_MODULE)),)
   my_syntax_arch := host
 else
@@ -299,35 +466,44 @@ else
 endif
 
 ifeq ($(strip $(my_cc)),)
-  ifeq ($(strip $(my_clang)),true)
+  ifeq ($(my_clang),true)
     my_cc := $(CLANG)
   else
     my_cc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CC)
   endif
+  my_cc := $(my_cc_wrapper) $(my_cc)
 endif
+
 ifneq ($(LOCAL_NO_STATIC_ANALYZER),true)
-  my_cc := $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer $(my_syntax_arch) "$(my_cc)"
+  my_cc := CCC_CC=$(CLANG) CLANG=$(CLANG) \
+           $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer
 else
 ifneq ($(LOCAL_NO_SYNTAX_CHECK),true)
-  my_cc := $(SYNTAX_TOOLS_PREFIX)/ccc-syntax $(my_syntax_arch) "$(my_cc)"
+  my_cc := $(my_cc) -fsyntax-only
 endif
 endif
+
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(my_cc)
 
 ifeq ($(strip $(my_cxx)),)
-  ifeq ($(strip $(my_clang)),true)
+  ifeq ($(my_clang),true)
     my_cxx := $(CLANG_CXX)
   else
     my_cxx := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CXX)
   endif
+  my_cxx := $(my_cxx_wrapper) $(my_cxx)
 endif
+
 ifneq ($(LOCAL_NO_STATIC_ANALYZER),true)
-  my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-analyzer $(my_syntax_arch) "$(my_cxx)"
+  my_cxx := CCC_CXX=$(CLANG_CXX) CLANG_CXX=$(CLANG_CXX) \
+            $(SYNTAX_TOOLS_PREFIX)/c++-analyzer
 else
 ifneq ($(LOCAL_NO_SYNTAX_CHECK),true)
-  my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-syntax $(my_syntax_arch) "$(my_cxx)"
+  my_cxx := $(my_cxx) -fsyntax-only
 endif
 endif
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LINKER := $(my_linker)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(my_cxx)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLANG := $(my_clang)
 
@@ -336,12 +512,11 @@ LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION))
 ifeq ($(LOCAL_CPP_EXTENSION),)
   LOCAL_CPP_EXTENSION := .cpp
 endif
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION)
 
 # Certain modules like libdl have to have symbols resolved at runtime and blow
 # up if --no-undefined is passed to the linker.
 ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),)
-ifeq ($(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)),)
+ifeq ($(my_allow_undefined_symbols),)
   my_ldflags +=  $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)NO_UNDEFINED_LDFLAGS)
 endif
 endif
@@ -356,7 +531,7 @@ endif
 ## Define arm-vs-thumb-mode flags.
 ###########################################################
 LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE))
-ifeq ($(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),arm)
+ifeq ($($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),arm)
 arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm)
 normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb)
 
@@ -365,7 +540,7 @@ normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb)
 # actually used (although they are usually empty).
 arm_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(arm_objects_mode)_CFLAGS)
 normal_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(normal_objects_mode)_CFLAGS)
-ifeq ($(strip $(my_clang)),true)
+ifeq ($(my_clang),true)
 arm_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(arm_objects_cflags))
 normal_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(normal_objects_cflags))
 endif
@@ -390,6 +565,34 @@ else
   debug_cflags :=
 endif
 
+####################################################
+## Keep track of src -> obj mapping
+####################################################
+
+my_tracked_gen_files :=
+my_tracked_src_files :=
+
+###########################################################
+## Stuff source generated from one-off tools
+###########################################################
+$(my_generated_sources): PRIVATE_MODULE := $(my_register_name)
+
+my_gen_sources_copy := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(filter $(generated_sources_dir)/%,$(my_generated_sources)))
+
+$(my_gen_sources_copy): $(intermediates)/% : $(generated_sources_dir)/% | $(ACP)
+	@echo "Copy: $@"
+	$(copy-file-to-target)
+
+my_generated_sources := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(my_generated_sources))
+
+# Generated sources that will actually produce object files.
+# Other files (like headers) are allowed in LOCAL_GENERATED_SOURCES,
+# since other compiled sources may depend on them, and we set up
+# the dependencies.
+my_gen_src_files := $(filter %.c %$(LOCAL_CPP_EXTENSION) %.S %.s,$(my_generated_sources))
+
+ALL_GENERATED_SOURCES += $(my_generated_sources)
+
 ####################################################
 ## Compile RenderScript with reflected C++
 ####################################################
@@ -402,6 +605,20 @@ renderscript_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(renderscript_sour
 RenderScript_file_stamp := $(intermediates)/RenderScriptCPP.stamp
 renderscript_intermediate := $(intermediates)/renderscript
 
+renderscript_target_api :=
+
+ifneq (,$(LOCAL_RENDERSCRIPT_TARGET_API))
+renderscript_target_api := $(LOCAL_RENDERSCRIPT_TARGET_API)
+else
+ifneq (,$(LOCAL_SDK_VERSION))
+# Set target-api for LOCAL_SDK_VERSIONs other than current.
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
+renderscript_target_api := $(LOCAL_SDK_VERSION)
+endif
+endif  # LOCAL_SDK_VERSION is set
+endif  # LOCAL_RENDERSCRIPT_TARGET_API is set
+
+
 ifeq ($(LOCAL_RENDERSCRIPT_CC),)
 LOCAL_RENDERSCRIPT_CC := $(LLVM_RS_CC)
 endif
@@ -422,18 +639,21 @@ ifneq ($(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE),)
 renderscript_includes := $(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE)
 endif
 
+bc_dep_files := $(addprefix $(renderscript_intermediate)/, \
+    $(patsubst %.fs,%.d, $(patsubst %.rs,%.d, $(notdir $(renderscript_sources)))))
+
 $(RenderScript_file_stamp): PRIVATE_RS_INCLUDES := $(renderscript_includes)
 $(RenderScript_file_stamp): PRIVATE_RS_CC := $(LOCAL_RENDERSCRIPT_CC)
 $(RenderScript_file_stamp): PRIVATE_RS_FLAGS := $(renderscript_flags)
 $(RenderScript_file_stamp): PRIVATE_RS_SOURCE_FILES := $(renderscript_sources_fullpath)
 $(RenderScript_file_stamp): PRIVATE_RS_OUTPUT_DIR := $(renderscript_intermediate)
+$(RenderScript_file_stamp): PRIVATE_RS_TARGET_API := $(renderscript_target_api)
+$(RenderScript_file_stamp): PRIVATE_DEP_FILES := $(bc_dep_files)
 $(RenderScript_file_stamp): $(renderscript_sources_fullpath) $(LOCAL_RENDERSCRIPT_CC)
 	$(transform-renderscripts-to-cpp-and-bc)
 
-# include the dependency files (.d) generated by llvm-rs-cc.
-renderscript_generated_dep_files := $(addprefix $(renderscript_intermediate)/, \
-    $(patsubst %.fs,%.d, $(patsubst %.rs,%.d, $(notdir $(renderscript_sources)))))
--include $(renderscript_generated_dep_files)
+# include the dependency files (.d/.P) generated by llvm-rs-cc.
+$(call include-depfile,$(RenderScript_file_stamp).P,$(RenderScript_file_stamp))
 
 LOCAL_INTERMEDIATE_TARGETS += $(RenderScript_file_stamp)
 
@@ -441,9 +661,12 @@ rs_generated_cpps := $(addprefix \
     $(renderscript_intermediate)/ScriptC_,$(patsubst %.fs,%.cpp, $(patsubst %.rs,%.cpp, \
     $(notdir $(renderscript_sources)))))
 
+$(call track-src-file-gen,$(renderscript_sources),$(rs_generated_cpps))
+
 # This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
 $(rs_generated_cpps) : $(RenderScript_file_stamp)
 	@echo "Updated RS generated cpp file $@."
+	$(hide) touch $@
 
 my_c_includes += $(renderscript_intermediate)
 my_generated_sources += $(rs_generated_cpps)
@@ -452,144 +675,268 @@ endif
 
 
 ###########################################################
-## Stuff source generated from one-off tools
+## Compile the .proto files to .cc (or .c) and then to .o
 ###########################################################
-$(my_generated_sources): PRIVATE_MODULE := $(my_register_name)
+proto_sources := $(filter %.proto,$(my_src_files))
+ifneq ($(proto_sources),)
+proto_gen_dir := $(generated_sources_dir)/proto
+
+my_rename_cpp_ext :=
+ifneq (,$(filter nanopb-c nanopb-c-enable_malloc, $(LOCAL_PROTOC_OPTIMIZE_TYPE)))
+my_proto_source_suffix := .c
+my_proto_c_includes := external/nanopb-c
+my_protoc_flags := --nanopb_out=$(proto_gen_dir) \
+    --plugin=external/nanopb-c/generator/protoc-gen-nanopb
+else
+my_proto_source_suffix := $(LOCAL_CPP_EXTENSION)
+ifneq ($(my_proto_source_suffix),.cc)
+# aprotoc is hardcoded to write out only .cc file.
+# We need to rename the extension to $(LOCAL_CPP_EXTENSION) if it's not .cc.
+my_rename_cpp_ext := true
+endif
+my_proto_c_includes := external/protobuf/src
+my_cflags += -DGOOGLE_PROTOBUF_NO_RTTI
+my_protoc_flags := --cpp_out=$(proto_gen_dir)
+endif
+my_proto_c_includes += $(proto_gen_dir)
 
-my_gen_sources_copy := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(filter $(generated_sources_dir)/%,$(my_generated_sources)))
+proto_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources))
+proto_generated_cpps := $(addprefix $(proto_gen_dir)/, \
+    $(patsubst %.proto,%.pb$(my_proto_source_suffix),$(proto_sources_fullpath)))
+
+define copy-proto-files
+$(if $(PRIVATE_PROTOC_OUTPUT), \
+   $(if $(call streq,$(PRIVATE_PROTOC_INPUT),$(PRIVATE_PROTOC_OUTPUT)),, \
+   $(eval proto_generated_path := $(dir $(subst $(PRIVATE_PROTOC_INPUT),$(PRIVATE_PROTOC_OUTPUT),$@)))
+   @mkdir -p $(dir $(proto_generated_path))
+   @echo "Protobuf relocation: $(basename $@).h => $(proto_generated_path)"
+   @cp -f $(basename $@).h $(proto_generated_path) ),)
+endef
 
-$(my_gen_sources_copy): $(intermediates)/% : $(generated_sources_dir)/% | $(ACP)
+# Ensure the transform-proto-to-cc rule is only defined once in multilib build.
+ifndef $(my_host)$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined
+$(proto_generated_cpps): PRIVATE_PROTO_INCLUDES := $(TOP)
+$(proto_generated_cpps): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS) $(my_protoc_flags)
+$(proto_generated_cpps): PRIVATE_PROTOC_OUTPUT := $(LOCAL_PROTOC_OUTPUT)
+$(proto_generated_cpps): PRIVATE_PROTOC_INPUT := $(LOCAL_PATH)
+$(proto_generated_cpps): PRIVATE_RENAME_CPP_EXT := $(my_rename_cpp_ext)
+$(proto_generated_cpps): $(proto_gen_dir)/%.pb$(my_proto_source_suffix): %.proto $(my_protoc_deps) $(PROTOC)
+	$(transform-proto-to-cc)
+	$(copy-proto-files)
+
+$(my_host)$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined := true
+endif
+# Ideally we can generate the source directly into $(intermediates).
+# But many Android.mks assume the .pb.hs are in $(generated_sources_dir).
+# As a workaround, we make a copy in the $(intermediates).
+proto_intermediate_dir := $(intermediates)/proto
+proto_intermediate_cpps := $(patsubst $(proto_gen_dir)/%,$(proto_intermediate_dir)/%,\
+    $(proto_generated_cpps))
+$(proto_intermediate_cpps) : $(proto_intermediate_dir)/% : $(proto_gen_dir)/% | $(ACP)
 	@echo "Copy: $@"
 	$(copy-file-to-target)
+	$(hide) cp $(basename $<).h $(basename $@).h
+$(call track-src-file-gen,$(proto_sources),$(proto_intermediate_cpps))
 
-my_generated_sources := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(my_generated_sources))
+my_generated_sources += $(proto_intermediate_cpps)
 
-ALL_GENERATED_SOURCES += $(my_generated_sources)
+my_c_includes += $(my_proto_c_includes)
+# Auto-export the generated proto source dir.
+my_export_c_include_dirs += $(my_proto_c_includes)
+
+ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c-enable_malloc)
+    my_static_libraries += libprotobuf-c-nano-enable_malloc
+else ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c)
+    my_static_libraries += libprotobuf-c-nano
+else ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),full)
+    ifdef LOCAL_SDK_VERSION
+        my_static_libraries += libprotobuf-cpp-full-ndk
+    else
+        my_shared_libraries += libprotobuf-cpp-full
+    endif
+else
+    ifdef LOCAL_SDK_VERSION
+        my_static_libraries += libprotobuf-cpp-lite-ndk
+    else
+        my_shared_libraries += libprotobuf-cpp-lite
+    endif
+endif
+endif  # $(proto_sources) non-empty
 
 ###########################################################
-## Compile the .proto files to .cc and then to .o
+## Compile the .dbus-xml files to c++ headers
 ###########################################################
-proto_sources := $(filter %.proto,$(my_src_files))
-proto_generated_objects :=
-proto_generated_headers :=
-ifneq ($(proto_sources),)
-proto_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources))
-proto_generated_cc_sources_dir := $(generated_sources_dir)/proto
-proto_generated_cc_sources := $(addprefix $(proto_generated_cc_sources_dir)/, \
-    $(patsubst %.proto,%.pb.cc,$(proto_sources_fullpath)))
-proto_generated_headers := $(patsubst %.pb.cc,%.pb.h, $(proto_generated_cc_sources))
-proto_generated_obj_dir := $(intermediates)/proto
-proto_generated_objects := $(addprefix $(proto_generated_obj_dir)/, \
-    $(patsubst %.proto,%.pb.o,$(proto_sources_fullpath)))
-
-# Auto-export the generated proto source dir.
-LOCAL_EXPORT_C_INCLUDE_DIRS += $(proto_generated_cc_sources_dir)
-
-# Ensure the transform-proto-to-cc rule is only defined once in multilib build.
-ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined
-$(proto_generated_cc_sources): PRIVATE_PROTO_INCLUDES := $(TOP)
-$(proto_generated_cc_sources): PRIVATE_PROTO_CC_OUTPUT_DIR := $(proto_generated_cc_sources_dir)
-$(proto_generated_cc_sources): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS)
-$(proto_generated_cc_sources): $(proto_generated_cc_sources_dir)/%.pb.cc: %.proto $(PROTOC)
-	$(transform-proto-to-cc)
+dbus_definitions := $(filter %.dbus-xml,$(my_src_files))
+dbus_generated_headers :=
+ifneq ($(dbus_definitions),)
 
-# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
-$(proto_generated_headers): $(proto_generated_cc_sources_dir)/%.pb.h: $(proto_generated_cc_sources_dir)/%.pb.cc
-	@echo "Updated header file $@."
+dbus_definition_paths := $(addprefix $(LOCAL_PATH)/,$(dbus_definitions))
+dbus_service_config := $(filter %dbus-service-config.json,$(my_src_files))
+dbus_service_config_path := $(addprefix $(LOCAL_PATH)/,$(dbus_service_config))
 
-$(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined := true
-endif  # transform-proto-to-cc rule included only once
+# Mark these source files as not producing objects
+$(call track-src-file-obj,$(dbus_definitions) $(dbus_service_config),)
 
-$(proto_generated_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(proto_generated_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-$(proto_generated_objects): $(proto_generated_obj_dir)/%.o: $(proto_generated_cc_sources_dir)/%.cc $(proto_generated_headers)
-	$(transform-$(PRIVATE_HOST)cpp-to-o)
--include $(proto_generated_objects:%.o=%.P)
+dbus_gen_dir := $(generated_sources_dir)/dbus_bindings
 
-my_c_includes += external/protobuf/src $(proto_generated_cc_sources_dir)
-my_cflags += -DGOOGLE_PROTOBUF_NO_RTTI
-ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),full)
-my_static_libraries += libprotobuf-cpp-2.3.0-full
+ifdef LOCAL_DBUS_PROXY_PREFIX
+dbus_header_dir := $(dbus_gen_dir)/include/$(LOCAL_DBUS_PROXY_PREFIX)
+dbus_headers := dbus-proxies.h
 else
-my_static_libraries += libprotobuf-cpp-2.3.0-lite
+dbus_header_dir := $(dbus_gen_dir)
+dbus_headers := $(patsubst %.dbus-xml,%.h,$(dbus_definitions))
 endif
-endif  # $(proto_sources) non-empty
+dbus_generated_headers := $(addprefix $(dbus_header_dir)/,$(dbus_headers))
+
+# Ensure that we only define build rules once in multilib builds.
+ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
+$(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined := true
+
+$(dbus_generated_headers): PRIVATE_MODULE := $(LOCAL_MODULE)
+$(dbus_generated_headers): PRIVATE_DBUS_SERVICE_CONFIG := $(dbus_service_config_path)
+$(dbus_generated_headers) : $(dbus_service_config_path) $(DBUS_GENERATOR)
+ifdef LOCAL_DBUS_PROXY_PREFIX
+$(dbus_generated_headers) : $(dbus_definition_paths)
+	$(generate-dbus-proxies)
+else
+$(dbus_generated_headers) : $(dbus_header_dir)/%.h : $(LOCAL_PATH)/%.dbus-xml
+	$(generate-dbus-adaptors)
+endif  # $(LOCAL_DBUS_PROXY_PREFIX)
+endif  # $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
+
+ifdef LOCAL_DBUS_PROXY_PREFIX
+# Auto-export the generated dbus proxy directory.
+my_export_c_include_dirs += $(dbus_gen_dir)/include
+my_c_includes += $(dbus_gen_dir)/include
+else
+my_export_c_include_dirs += $(dbus_header_dir)
+my_c_includes += $(dbus_header_dir)
+endif  # $(LOCAL_DBUS_PROXY_PREFIX)
+
+my_generated_sources += $(dbus_generated_headers)
+
+endif  # $(dbus_definitions) non-empty
 
 
 ###########################################################
-## YACC: Compile .y and .yy files to .cpp and the to .o.
+## AIDL: Compile .aidl files to .cpp and .h files
 ###########################################################
+aidl_src := $(strip $(filter %.aidl,$(my_src_files)))
+aidl_gen_cpp :=
+ifneq ($(aidl_src),)
+
+# Use the intermediates directory to avoid writing our own .cpp -> .o rules.
+aidl_gen_cpp_root := $(intermediates)/aidl-generated/src
+aidl_gen_include_root := $(intermediates)/aidl-generated/include
+
+# Multi-architecture builds have distinct intermediates directories.
+# Thus we'll actually generate source for each architecture.
+$(foreach s,$(aidl_src),\
+    $(eval $(call define-aidl-cpp-rule,$(s),$(aidl_gen_cpp_root),aidl_gen_cpp)))
+$(foreach cpp,$(aidl_gen_cpp), \
+    $(call include-depfile,$(addsuffix .aidl.P,$(basename $(cpp))),$(cpp)))
+$(call track-src-file-gen,$(aidl_src),$(aidl_gen_cpp))
+
+$(aidl_gen_cpp) : PRIVATE_MODULE := $(LOCAL_MODULE)
+$(aidl_gen_cpp) : PRIVATE_HEADER_OUTPUT_DIR := $(aidl_gen_include_root)
+$(aidl_gen_cpp) : PRIVATE_AIDL_FLAGS := $(addprefix -I,$(LOCAL_AIDL_INCLUDES))
+
+# Add generated headers to include paths.
+my_c_includes += $(aidl_gen_include_root)
+my_export_c_include_dirs += $(aidl_gen_include_root)
+# Pick up the generated C++ files later for transformation to .o files.
+my_generated_sources += $(aidl_gen_cpp)
+
+endif  # $(aidl_src) non-empty
 
-y_yacc_sources := $(filter %.y,$(my_src_files))
-y_yacc_cpps := $(addprefix \
-    $(intermediates)/,$(y_yacc_sources:.y=$(LOCAL_CPP_EXTENSION)))
+###########################################################
+## Compile the .vts files to .cc (or .c) and then to .o
+###########################################################
 
-yy_yacc_sources := $(filter %.yy,$(my_src_files))
-yy_yacc_cpps := $(addprefix \
-    $(intermediates)/,$(yy_yacc_sources:.yy=$(LOCAL_CPP_EXTENSION)))
+vts_src := $(strip $(filter %.vts,$(my_src_files)))
+vts_gen_cpp :=
+ifneq ($(vts_src),)
+
+# Use the intermediates directory to avoid writing our own .cpp -> .o rules.
+vts_gen_cpp_root := $(intermediates)/vts-generated/src
+vts_gen_include_root := $(intermediates)/vts-generated/include
+
+# Multi-architecture builds have distinct intermediates directories.
+# Thus we'll actually generate source for each architecture.
+$(foreach s,$(vts_src),\
+    $(eval $(call define-vts-cpp-rule,$(s),$(vts_gen_cpp_root),vts_gen_cpp)))
+$(foreach cpp,$(vts_gen_cpp), \
+    $(call include-depfile,$(addsuffix .vts.P,$(basename $(cpp))),$(cpp)))
+$(call track-src-file-gen,$(vts_src),$(vts_gen_cpp))
+
+$(vts_gen_cpp) : PRIVATE_MODULE := $(LOCAL_MODULE)
+$(vts_gen_cpp) : PRIVATE_HEADER_OUTPUT_DIR := $(vts_gen_include_root)
+$(vts_gen_cpp) : PRIVATE_VTS_FLAGS := $(addprefix -I,$(LOCAL_VTS_INCLUDES))
+
+# Add generated headers to include paths.
+my_c_includes += $(vts_gen_include_root)
+my_export_c_include_dirs += $(vts_gen_include_root)
+# Pick up the generated C++ files later for transformation to .o files.
+my_generated_sources += $(vts_gen_cpp)
 
-yacc_cpps := $(y_yacc_cpps) $(yy_yacc_cpps)
-yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h)
-yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o)
+endif  # $(vts_src) non-empty
 
-ifneq ($(strip $(y_yacc_cpps)),)
-$(y_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
+###########################################################
+## YACC: Compile .y/.yy files to .c/.cpp and then to .o.
+###########################################################
+
+y_yacc_sources := $(filter %.y,$(my_src_files))
+y_yacc_cs := $(addprefix \
+    $(intermediates)/,$(y_yacc_sources:.y=.c))
+ifneq ($(y_yacc_cs),)
+$(y_yacc_cs): $(intermediates)/%.c: \
     $(TOPDIR)$(LOCAL_PATH)/%.y \
-    $(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
-	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
-$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
+    $(my_additional_dependencies)
+	$(call transform-y-to-c-or-cpp)
+$(call track-src-file-gen,$(y_yacc_sources),$(y_yacc_cs))
+
+my_generated_sources += $(y_yacc_cs)
 endif
 
-ifneq ($(strip $(yy_yacc_cpps)),)
+yy_yacc_sources := $(filter %.yy,$(my_src_files))
+yy_yacc_cpps := $(addprefix \
+    $(intermediates)/,$(yy_yacc_sources:.yy=$(LOCAL_CPP_EXTENSION)))
+ifneq ($(yy_yacc_cpps),)
 $(yy_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
     $(TOPDIR)$(LOCAL_PATH)/%.yy \
-    $(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
-	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
-$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
-endif
+    $(my_additional_dependencies)
+	$(call transform-y-to-c-or-cpp)
+$(call track-src-file-gen,$(yy_yacc_sources),$(yy_yacc_cpps))
 
-ifneq ($(strip $(yacc_cpps)),)
-$(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-$(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
-	$(transform-$(PRIVATE_HOST)cpp-to-o)
+my_generated_sources += $(yy_yacc_cpps)
 endif
 
 ###########################################################
-## LEX: Compile .l and .ll files to .cpp and then to .o.
+## LEX: Compile .l/.ll files to .c/.cpp and then to .o.
 ###########################################################
 
 l_lex_sources := $(filter %.l,$(my_src_files))
-l_lex_cpps := $(addprefix \
-    $(intermediates)/,$(l_lex_sources:.l=$(LOCAL_CPP_EXTENSION)))
+l_lex_cs := $(addprefix \
+    $(intermediates)/,$(l_lex_sources:.l=.c))
+ifneq ($(l_lex_cs),)
+$(l_lex_cs): $(intermediates)/%.c: \
+    $(TOPDIR)$(LOCAL_PATH)/%.l
+	$(transform-l-to-c-or-cpp)
+$(call track-src-file-gen,$(l_lex_sources),$(l_lex_cs))
+
+my_generated_sources += $(l_lex_cs)
+endif
 
 ll_lex_sources := $(filter %.ll,$(my_src_files))
 ll_lex_cpps := $(addprefix \
     $(intermediates)/,$(ll_lex_sources:.ll=$(LOCAL_CPP_EXTENSION)))
-
-lex_cpps := $(l_lex_cpps) $(ll_lex_cpps)
-lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o)
-
-ifneq ($(strip $(l_lex_cpps)),)
-$(l_lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
-    $(TOPDIR)$(LOCAL_PATH)/%.l
-	$(transform-l-to-cpp)
-endif
-
-ifneq ($(strip $(ll_lex_cpps)),)
+ifneq ($(ll_lex_cpps),)
 $(ll_lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
     $(TOPDIR)$(LOCAL_PATH)/%.ll
-	$(transform-l-to-cpp)
-endif
+	$(transform-l-to-c-or-cpp)
+$(call track-src-file-gen,$(ll_lex_sources),$(ll_lex_cpps))
 
-ifneq ($(strip $(lex_cpps)),)
-$(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-$(lex_objects): $(intermediates)/%.o: \
-    $(intermediates)/%$(LOCAL_CPP_EXTENSION) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    $(yacc_headers)
-	$(transform-$(PRIVATE_HOST)cpp-to-o)
+my_generated_sources += $(ll_lex_cpps)
 endif
 
 ###########################################################
@@ -598,35 +945,57 @@ endif
 
 # we also do this on host modules, even though
 # it's not really arm, because there are files that are shared.
-cpp_arm_sources    := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(my_src_files)))
-cpp_arm_objects    := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))
-
-cpp_normal_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(my_src_files))
+cpp_arm_sources := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(my_src_files)))
+dotdot_arm_sources := $(filter ../%,$(cpp_arm_sources))
+cpp_arm_sources := $(filter-out ../%,$(cpp_arm_sources))
+cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))
+$(call track-src-file-obj,$(patsubst %,%.arm,$(cpp_arm_sources)),$(cpp_arm_objects))
+
+# For source files starting with ../, we remove all the ../ in the object file path,
+# to avoid object file escaping the intermediate directory.
+dotdot_arm_objects :=
+$(foreach s,$(dotdot_arm_sources),\
+  $(eval $(call compile-dotdot-cpp-file,$(s),\
+  $(my_additional_dependencies),\
+  dotdot_arm_objects)))
+$(call track-src-file-obj,$(patsubst %,%.arm,$(dotdot_arm_sources)),$(dotdot_arm_objects))
+
+dotdot_sources := $(filter ../%$(LOCAL_CPP_EXTENSION),$(my_src_files))
+dotdot_objects :=
+$(foreach s,$(dotdot_sources),\
+  $(eval $(call compile-dotdot-cpp-file,$(s),\
+    $(my_additional_dependencies),\
+    dotdot_objects)))
+$(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects))
+
+cpp_normal_sources := $(filter-out ../%,$(filter %$(LOCAL_CPP_EXTENSION),$(my_src_files)))
 cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))
+$(call track-src-file-obj,$(cpp_normal_sources),$(cpp_normal_objects))
 
-$(cpp_arm_objects):    PRIVATE_ARM_MODE := $(arm_objects_mode)
-$(cpp_arm_objects):    PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
-$(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
+$(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
+$(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
+$(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
+$(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 
 cpp_objects        := $(cpp_arm_objects) $(cpp_normal_objects)
 
 ifneq ($(strip $(cpp_objects)),)
 $(cpp_objects): $(intermediates)/%.o: \
     $(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \
-    $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
--include $(cpp_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(cpp_objects))
 endif
 
+cpp_objects += $(dotdot_arm_objects) $(dotdot_objects)
+
 ###########################################################
 ## C++: Compile generated .cpp files to .o.
 ###########################################################
 
 gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(my_generated_sources))
 gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o)
+$(call track-gen-file-obj,$(gen_cpp_sources),$(gen_cpp_objects))
 
 ifneq ($(strip $(gen_cpp_objects)),)
 # Compile all generated files as thumb.
@@ -634,12 +1003,10 @@ ifneq ($(strip $(gen_cpp_objects)),)
 $(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(gen_cpp_objects): $(intermediates)/%.o: \
-    $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) \
-    $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+    $(intermediates)/%$(LOCAL_CPP_EXTENSION) \
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
--include $(gen_cpp_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(gen_cpp_objects))
 endif
 
 ###########################################################
@@ -648,27 +1015,27 @@ endif
 
 gen_S_sources := $(filter %.S,$(my_generated_sources))
 gen_S_objects := $(gen_S_sources:%.S=%.o)
+$(call track-gen-file-obj,$(gen_S_sources),$(gen_S_objects))
 
 ifneq ($(strip $(gen_S_sources)),)
 $(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o)
--include $(gen_S_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(gen_S_objects))
 endif
 
 gen_s_sources := $(filter %.s,$(my_generated_sources))
 gen_s_objects := $(gen_s_sources:%.s=%.o)
+$(call track-gen-file-obj,$(gen_s_sources),$(gen_s_objects))
 
 ifneq ($(strip $(gen_s_objects)),)
 $(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
--include $(gen_s_objects:%.o=%.P)
 endif
 
 gen_asm_objects := $(gen_S_objects) $(gen_s_objects)
+$(gen_asm_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 
 ###########################################################
 ## o: Include generated .o files in output.
@@ -680,44 +1047,66 @@ gen_o_objects := $(filter %.o,$(my_generated_sources))
 ## C: Compile .c files to .o.
 ###########################################################
 
-c_arm_sources    := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(my_src_files)))
-c_arm_objects    := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))
-
-c_normal_sources := $(filter %.c,$(my_src_files))
+c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(my_src_files)))
+dotdot_arm_sources := $(filter ../%,$(c_arm_sources))
+c_arm_sources := $(filter-out ../%,$(c_arm_sources))
+c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))
+$(call track-src-file-obj,$(patsubst %,%.arm,$(c_arm_sources)),$(c_arm_objects))
+
+# For source files starting with ../, we remove all the ../ in the object file path,
+# to avoid object file escaping the intermediate directory.
+dotdot_arm_objects :=
+$(foreach s,$(dotdot_arm_sources),\
+  $(eval $(call compile-dotdot-c-file,$(s),\
+    $(my_additional_dependencies),\
+    dotdot_arm_objects)))
+$(call track-src-file-obj,$(patsubst %,%.arm,$(dotdot_arm_sources)),$(dotdot_arm_objects))
+
+dotdot_sources := $(filter ../%.c, $(my_src_files))
+dotdot_objects :=
+$(foreach s, $(dotdot_sources),\
+  $(eval $(call compile-dotdot-c-file,$(s),\
+    $(my_additional_dependencies),\
+    dotdot_objects)))
+$(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects))
+
+c_normal_sources := $(filter-out ../%,$(filter %.c,$(my_src_files)))
 c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))
+$(call track-src-file-obj,$(c_normal_sources),$(c_normal_objects))
 
-$(c_arm_objects):    PRIVATE_ARM_MODE := $(arm_objects_mode)
-$(c_arm_objects):    PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
-$(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
+$(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
+$(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
+$(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
+$(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 
 c_objects        := $(c_arm_objects) $(c_normal_objects)
 
 ifneq ($(strip $(c_objects)),)
-$(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+$(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c \
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)c-to-o)
--include $(c_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(c_objects))
 endif
 
+c_objects += $(dotdot_arm_objects) $(dotdot_objects)
+
 ###########################################################
 ## C: Compile generated .c files to .o.
 ###########################################################
 
 gen_c_sources := $(filter %.c,$(my_generated_sources))
 gen_c_objects := $(gen_c_sources:%.c=%.o)
+$(call track-gen-file-obj,$(gen_c_sources),$(gen_c_objects))
 
 ifneq ($(strip $(gen_c_objects)),)
 # Compile all generated files as thumb.
 # TODO: support compiling certain generated files as arm.
 $(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-$(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+$(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c \
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)c-to-o)
--include $(gen_c_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(gen_c_objects))
 endif
 
 ###########################################################
@@ -726,13 +1115,28 @@ endif
 
 objc_sources := $(filter %.m,$(my_src_files))
 objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o))
+$(call track-src-file-obj,$(objc_sources),$(objc_objects))
 
 ifneq ($(strip $(objc_objects)),)
-$(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+$(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m \
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)m-to-o)
--include $(objc_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(objc_objects))
+endif
+
+###########################################################
+## ObjC++: Compile .mm files to .o
+###########################################################
+
+objcpp_sources := $(filter %.mm,$(my_src_files))
+objcpp_objects := $(addprefix $(intermediates)/,$(objcpp_sources:.mm=.o))
+$(call track-src-file-obj,$(objcpp_sources),$(objcpp_objects))
+
+ifneq ($(strip $(objcpp_objects)),)
+$(objcpp_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.mm \
+    $(my_additional_dependencies)
+	$(transform-$(PRIVATE_HOST)mm-to-o)
+$(call include-depfiles-for-objs, $(objcpp_objects))
 endif
 
 ###########################################################
@@ -740,42 +1144,84 @@ endif
 ###########################################################
 
 asm_sources_S := $(filter %.S,$(my_src_files))
+dotdot_sources := $(filter ../%,$(asm_sources_S))
+asm_sources_S := $(filter-out ../%,$(asm_sources_S))
 asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o))
+$(call track-src-file-obj,$(asm_sources_S),$(asm_objects_S))
+
+dotdot_objects_S :=
+$(foreach s,$(dotdot_sources),\
+  $(eval $(call compile-dotdot-s-file,$(s),\
+    $(my_additional_dependencies),\
+    dotdot_objects_S)))
+$(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects_S))
 
 ifneq ($(strip $(asm_objects_S)),)
 $(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o)
--include $(asm_objects_S:%.o=%.P)
+$(call include-depfiles-for-objs, $(asm_objects_S))
 endif
 
 asm_sources_s := $(filter %.s,$(my_src_files))
+dotdot_sources := $(filter ../%,$(asm_sources_s))
+asm_sources_s := $(filter-out ../%,$(asm_sources_s))
 asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o))
+$(call track-src-file-obj,$(asm_sources_s),$(asm_objects_s))
+
+dotdot_objects_s :=
+$(foreach s,$(dotdot_sources),\
+  $(eval $(call compile-dotdot-s-file-no-deps,$(s),\
+    $(my_additional_dependencies),\
+    dotdot_objects_s)))
+$(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects_s))
 
 ifneq ($(strip $(asm_objects_s)),)
 $(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-    | $(my_compiler_dependencies)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
--include $(asm_objects_s:%.o=%.P)
 endif
 
-asm_objects := $(asm_objects_S) $(asm_objects_s)
+asm_objects := $(dotdot_objects_S) $(dotdot_objects_s) $(asm_objects_S) $(asm_objects_s)
+$(asm_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 
 
-# .asm for x86 needs to be compiled with yasm.
-ifeq (x86,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+# .asm for x86/x86_64 needs to be compiled with yasm.
 asm_sources_asm := $(filter %.asm,$(my_src_files))
 ifneq ($(strip $(asm_sources_asm)),)
 asm_objects_asm := $(addprefix $(intermediates)/,$(asm_sources_asm:.asm=.o))
 $(asm_objects_asm): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.asm \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-asm-to-o)
+$(call track-src-file-obj,$(asm_sources_asm),$(asm_objects_asm))
 
 asm_objects += $(asm_objects_asm)
 endif
+
+
+##########################################################
+## Set up installed module dependency
+## We cannot compute the full path of the LOCAL_SHARED_LIBRARIES for
+## they may cusomize their install path with LOCAL_MODULE_PATH
+##########################################################
+# Get the list of INSTALLED libraries as module names.
+ifdef LOCAL_SDK_VERSION
+  installed_shared_library_module_names := \
+      $(my_shared_libraries)
+else
+  installed_shared_library_module_names := \
+      $(my_shared_libraries) $(my_system_shared_libraries)
+endif
+
+# The real dependency will be added after all Android.mks are loaded and the install paths
+# of the shared libraries are determined.
+ifdef LOCAL_INSTALLED_MODULE
+ifdef installed_shared_library_module_names
+$(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
+    $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(sort $(installed_shared_library_module_names)))
 endif
+endif
+
 
 ####################################################
 ## Import includes
@@ -783,14 +1229,15 @@ endif
 import_includes := $(intermediates)/import_includes
 import_includes_deps := $(strip \
     $(foreach l, $(installed_shared_library_module_names), \
-      $(call intermediates-dir-for,SHARED_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/export_includes) \
+      $(call intermediates-dir-for,SHARED_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes) \
     $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \
-      $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/export_includes))
-$(import_includes) : $(import_includes_deps)
+      $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes))
+$(import_includes): PRIVATE_IMPORT_EXPORT_INCLUDES := $(import_includes_deps)
+$(import_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(import_includes_deps)
 	@echo Import includes file: $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef import_includes_deps
-	$(hide) for f in $^; do \
+	$(hide) for f in $(PRIVATE_IMPORT_EXPORT_INCLUDES); do \
 	  cat $$f >> $@; \
 	done
 else
@@ -801,6 +1248,11 @@ endif
 ## Common object handling.
 ###########################################################
 
+my_unused_src_files := $(filter-out $(logtags_sources) $(my_tracked_src_files),$(my_src_files) $(my_gen_src_files))
+ifneq ($(my_unused_src_files),)
+  $(warning $(LOCAL_MODULE_MAKEFILE): $(LOCAL_MODULE): Unused source files: $(my_unused_src_files))
+endif
+
 # some rules depend on asm_objects being first.  If your code depends on
 # being first, it's reasonable to require it to be assembly
 normal_objects := \
@@ -811,13 +1263,36 @@ normal_objects := \
     $(c_objects) \
     $(gen_c_objects) \
     $(objc_objects) \
-    $(yacc_objects) \
-    $(lex_objects) \
-    $(proto_generated_objects) \
-    $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))
+    $(objcpp_objects)
+
+new_order_normal_objects := $(foreach f,$(my_src_files),$(my_src_file_obj_$(f)))
+new_order_normal_objects += $(foreach f,$(my_gen_src_files),$(my_src_file_obj_$(f)))
+
+ifneq ($(sort $(normal_objects)),$(sort $(new_order_normal_objects)))
+$(warning $(LOCAL_MODULE_MAKEFILE) Internal build system warning: New object list does not match old)
+$(info Only in old: $(filter-out $(new_order_normal_objects),$(sort $(normal_objects))))
+$(info Only in new: $(filter-out $(normal_objects),$(sort $(new_order_normal_objects))))
+endif
+
+ifeq ($(BINARY_OBJECTS_ORDER),soong)
+normal_objects := $(new_order_normal_objects)
+endif
+
+normal_objects += $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))
 
 all_objects := $(normal_objects) $(gen_o_objects)
 
+# Cleanup file tracking
+$(foreach f,$(my_tracked_gen_files),$(eval my_src_file_gen_$(s):=))
+my_tracked_gen_files :=
+$(foreach f,$(my_tracked_src_files),$(eval my_src_file_obj_$(s):=))
+my_tracked_src_files :=
+
+## Allow a device's own headers to take precedence over global ones
+ifneq ($(TARGET_SPECIFIC_HEADER_PATH),)
+my_c_includes := $(TOPDIR)$(TARGET_SPECIFIC_HEADER_PATH) $(my_c_includes)
+endif
+
 my_c_includes += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(generated_sources_dir)
 
 ifndef LOCAL_SDK_VERSION
@@ -829,7 +1304,11 @@ endif
 # that custom build rules which generate .o files don't consume other generated
 # sources as input (or if they do they take care of that dependency themselves).
 $(normal_objects) : | $(my_generated_sources)
+ifeq ($(BUILDING_WITH_NINJA),true)
+$(all_objects) : $(import_includes)
+else
 $(all_objects) : | $(import_includes)
+endif
 ALL_C_CPP_ETC_OBJECTS += $(all_objects)
 
 
@@ -871,6 +1350,7 @@ built_shared_libraries := \
     $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
       $(addsuffix $(so_suffix), \
         $(my_shared_libraries)))
+built_shared_library_deps := $(addsuffix .toc, $(built_shared_libraries))
 
 # Add the NDK libraries to the built module dependency
 my_system_shared_libraries_fullpath := \
@@ -884,12 +1364,20 @@ built_shared_libraries := \
     $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
       $(addsuffix $(so_suffix), \
         $(installed_shared_library_module_names)))
+ifdef LOCAL_IS_HOST_MODULE
+# Disable .toc optimization for host modules: we may run the host binaries during the build process
+# and the libraries' implementation matters.
+built_shared_library_deps := $(built_shared_libraries)
+else
+built_shared_library_deps := $(addsuffix .toc, $(built_shared_libraries))
+endif
+my_system_shared_libraries_fullpath :=
 endif
 
 built_static_libraries := \
     $(foreach lib,$(my_static_libraries), \
       $(call intermediates-dir-for, \
-        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/$(lib)$(a_suffix))
+        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/$(lib)$(a_suffix))
 
 ifdef LOCAL_SDK_VERSION
 built_static_libraries += $(my_ndk_stl_static_lib)
@@ -898,7 +1386,7 @@ endif
 built_whole_libraries := \
     $(foreach lib,$(my_whole_static_libraries), \
       $(call intermediates-dir-for, \
-        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/$(lib)$(a_suffix))
+        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/$(lib)$(a_suffix))
 
 # We don't care about installed static libraries, since the
 # libraries have already been linked into the module at that point.
@@ -919,40 +1407,52 @@ endif
 ###########################################################
 
 ifeq ($(my_clang),true)
+my_cflags += $(LOCAL_CLANG_CFLAGS)
+my_conlyflags += $(LOCAL_CLANG_CONLYFLAGS)
+my_cppflags += $(LOCAL_CLANG_CPPFLAGS)
+my_cflags_no_override += $(GLOBAL_CLANG_CFLAGS_NO_OVERRIDE)
+my_cppflags_no_override += $(GLOBAL_CLANG_CPPFLAGS_NO_OVERRIDE)
+my_asflags += $(LOCAL_CLANG_ASFLAGS)
+my_ldflags += $(LOCAL_CLANG_LDFLAGS)
+my_cflags += $(LOCAL_CLANG_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CFLAGS_$(my_32_64_bit_suffix))
+my_conlyflags += $(LOCAL_CLANG_CONLYFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CONLYFLAGS_$(my_32_64_bit_suffix))
+my_cppflags += $(LOCAL_CLANG_CPPFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CPPFLAGS_$(my_32_64_bit_suffix))
+my_ldflags += $(LOCAL_CLANG_LDFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_LDFLAGS_$(my_32_64_bit_suffix))
+my_asflags += $(LOCAL_CLANG_ASFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_ASFLAGS_$(my_32_64_bit_suffix))
 my_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cflags))
 my_cppflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cppflags))
 my_asflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_asflags))
 my_ldflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_ldflags))
 endif
 
-ifeq ($(LOCAL_FDO_SUPPORT), true)
-  build_with_fdo := false
-  ifeq ($(BUILD_FDO_INSTRUMENT), true)
-    build_with_fdo := true
-  endif
-  ifeq ($(BUILD_FDO_OPTIMIZE), true)
-    build_with_fdo := true
-  endif
-  ifeq ($(build_with_fdo), true)
-    my_cflags := $(patsubst -Os,-O2,$(my_cflags))
-    fdo_incompatible_flags=-fno-early-inlining -finline-limit=%
-    my_cflags := $(filter-out $(fdo_incompatible_flags),$(my_cflags))
-  endif
+ifeq ($(my_fdo_build), true)
+  my_cflags := $(patsubst -Os,-O2,$(my_cflags))
+  fdo_incompatible_flags := -fno-early-inlining -finline-limit=%
+  my_cflags := $(filter-out $(fdo_incompatible_flags),$(my_cflags))
 endif
 
+# No one should ever use this flag. On GCC it's mere presence will disable all
+# warnings, even those that are specified after it (contrary to typical warning
+# flag behavior). This circumvents CFLAGS_NO_OVERRIDE from forcibly enabling the
+# warnings that are *always* bugs.
+my_illegal_flags := -w
+my_cflags := $(filter-out $(my_illegal_flags),$(my_cflags))
+my_cppflags := $(filter-out $(my_illegal_flags),$(my_cppflags))
+my_conlyflags := $(filter-out $(my_illegal_flags),$(my_conlyflags))
+
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(my_asflags)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CONLYFLAGS := $(LOCAL_CONLYFLAGS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CONLYFLAGS := $(my_conlyflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(my_cflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(my_cppflags)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS_NO_OVERRIDE := $(my_cflags_no_override)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS_NO_OVERRIDE := $(my_cppflags_no_override)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RTTI_FLAG := $(LOCAL_RTTI_FLAG)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(my_c_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_IMPORT_INCLUDES := $(import_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(my_ldflags)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_LDLIBS)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_CRT := $(strip $(LOCAL_NO_CRT) $(LOCAL_NO_CRT_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LIBCXX := $(my_libcxx)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(my_ldlibs)
 
 # this is really the way to get the files onto the command line instead
 # of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work
@@ -966,7 +1466,8 @@ $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_OBJECTS := $(all_objects)
 ###########################################################
 # all_libraries is used for the dependencies on LOCAL_BUILT_MODULE.
 all_libraries := \
-    $(built_shared_libraries) \
+    $(built_shared_library_deps) \
+    $(my_system_shared_libraries_fullpath) \
     $(built_static_libraries) \
     $(built_whole_libraries)
 
@@ -979,18 +1480,31 @@ $(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets)
 # Export includes
 ###########################################################
 export_includes := $(intermediates)/export_includes
-$(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
-# Make sure .pb.h are already generated before any dependent source files get compiled.
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE) $(proto_generated_headers)
+$(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(my_export_c_include_dirs)
+# By adding $(my_generated_sources) it makes sure the headers get generated
+# before any dependent source files get compiled.
+$(export_includes) : $(my_generated_sources) $(export_include_deps)
 	@echo Export includes file: $< -- $@
-	$(hide) mkdir -p $(dir $@) && rm -f $@
-ifdef LOCAL_EXPORT_C_INCLUDE_DIRS
+	$(hide) mkdir -p $(dir $@) && rm -f $@.tmp
+ifdef my_export_c_include_dirs
 	$(hide) for d in $(PRIVATE_EXPORT_C_INCLUDE_DIRS); do \
-	        echo "-I $$d" >> $@; \
+	        echo "-I $$d" >> $@.tmp; \
 	        done
 else
-	$(hide) touch $@
+	$(hide) touch $@.tmp
 endif
+ifeq ($(BUILDING_WITH_NINJA),true)
+	$(hide) if cmp -s $@.tmp $@ ; then \
+	  rm $@.tmp ; \
+	else \
+	  mv $@.tmp $@ ; \
+	fi
+else
+	mv $@.tmp $@ ;
+endif
+
+# Kati adds restat=1 to ninja. GNU make does nothing for this.
+.KATI_RESTAT: $(export_includes)
 
 # Make sure export_includes gets generated when you are running mm/mmm
 $(LOCAL_BUILT_MODULE) : | $(export_includes)
diff --git a/core/build-system.html b/core/build-system.html
index caade583b..bddde6a4d 100644
--- a/core/build-system.html
+++ b/core/build-system.html
@@ -270,6 +270,7 @@ <h3>Build flavors/types</h3>
         <li>Installs non-APK modules that have no tags specified.
         <li>Installs APKs according to the product definition files; tags
             are ignored for APK modules.
+        <li><code>ro.adb.secure=1</code>
         <li><code>ro.secure=1</code>
         <li><code>ro.debuggable=0</code>
         <li><code>adb</code> is disabled by default.
@@ -462,26 +463,17 @@ <h3><a name="platform-specific"/>Platform specific conditionals</h3>
 <p>Sometimes you need to set flags specifically for different platforms.  Here
 is a list of which values the different build-system defined variables will be
 set to and some examples.</p>
-<p>For a device build, <code>TARGET_OS</code> is <code>linux</code> (we're using
-linux!), and <code>TARGET_ARCH</code> is <code>arm</code>.</p>
-<p>For a simulator build, <code>TARGET_OS</code> and <code>TARGET_ARCH</code>
-are set to the same as <code>HOST_OS</code> and <code>HOST_ARCH</code> are
-on your platform.  <code>TARGET_PRODUCT</code> is the name of the target
-hardware/product you are building for.  The value <code>sim</code> is used
-for the simulator.  We haven't thought through the full extent of customization
-that will happen here, but likely there will be additional UI configurations
-specified here as well.</p>
 <table cellspacing=25>
 <tr>
     <td valign=top align=center>
         <b>HOST_OS</b><br/>
         linux<br/>
-        darwin<br/>
-        (cygwin)
+        darwin
     </td>
     <td valign=top align=center>
         <b>HOST_ARCH</b><br/>
-        x86
+        x86<br/>
+        x86_64
     </td>
     <td valign=top align=center>
         <b>HOST_BUILD_TYPE</b><br/>
@@ -490,43 +482,41 @@ <h3><a name="platform-specific"/>Platform specific conditionals</h3>
     </td>
 </tr>
 <tr>
-    <td valign=top align=center>
-        <b>TARGET_OS</b><br/>
-        linux<br/>
-        darwin<br/>
-        (cygwin)
-    </td>
     <td valign=top align=center>
         <b>TARGET_ARCH</b><br/>
         arm<br/>
-        x86
+        arm64<br/>
+        mips<br/>
+        mips64<br/>
+        x86<br/>
+        x86_64
     </td>
     <td valign=top align=center>
         <b>TARGET_BUILD_TYPE</b><br/>
         release<br/>
         debug
     </td>
-    <td valign=top align=center>
-        <b>TARGET_PRODUCT</b><br/>
-        sim<br/>
-        dream<br/>
-        sooner
-    </td>
 </tr>
 </table>
 
+<p>There are also special variables to use instead of conditionals. Many of the
+normal variables (LOCAL_SRC_FILES, LOCAL_CFLAGS, etc) can be conditionally added
+to with _{arch} _{32|64}, and for the host, _{os}.</p>
+
 <h4>Some Examples</h4>
 <pre>ifeq ($(TARGET_BUILD_TYPE),release)
 LOCAL_CFLAGS += -DNDEBUG=1
 endif
 
+LOCAL_CFLAGS_arm += -DTARGET_IS_ARM
+
+LOCAL_CFLAGS_64 += -DBIG_POINTER
+
 # from libutils
-ifeq ($(TARGET_OS),linux)
 # Use the futex based mutex and condition variable
 # implementation from android-arm because it's shared mem safe
-LOCAL_SRC_FILES += futex_synchro.c
-LOCAL_LDLIBS += -lrt -ldl
-endif
+LOCAL_SRC_FILES_linux += futex_synchro.c
+LOCAL_LDLIBS_linux += -lrt -ldl
 
 </pre>
 
@@ -554,7 +544,7 @@ <h3><a name="moving-modules"/>Putting modules elsewhere</h3>
 the unstripped executables so GDB can find the symbols.
 <code>LOCAL_UNSTRIPPED_PATH</code> is not necessary if you only specified
 <code>LOCAL_MODULE_RELATIVE_PATH</code>.</p>
-<p>Look in <code>config/envsetup.make</code> for all of the variables defining
+<p>Look in <code>core/envsetup.mk</code> for all of the variables defining
 places to build things.</p>
 <p>FYI: If you're installing an executable to /sbin, you probably also want to
 set <code>LOCAL_FORCE_STATIC_EXCUTABLE := true</code> in your Android.mk, which
@@ -587,6 +577,11 @@ <h3>Android.mk variables</h3>
     and definitions that are specific to either the host or the target builds.
     Do not set variables that start with HOST_ or TARGET_ in your makefiles.
     </li>
+    <li><b>HOST_CROSS_</b> - These contain the directories and definitions that
+    are specific to cross-building host binaries. The common case is building
+    windows host tools on linux. Do not set variables that start with
+    HOST_CROSS_ in your makefiles.
+    </li>
     <li><b>BUILD_</b> and <b>CLEAR_VARS</b> - These contain the names of
     well-defined template makefiles to include.  Some examples are CLEAR_VARS
     and BUILD_HOST_PACKAGE.</li>
@@ -773,13 +768,13 @@ <h4>LOCAL_POST_PROCESS_COMMAND</h4>
 </code></p>
 
 <h4>LOCAL_PREBUILT_EXECUTABLES</h4>
-<p>When including $(BUILD_PREBUILT) or $(BUILD_HOST_PREBUILT), set these to
-executables that you want copied.  They're located automatically into the
+<p>When including $(BUILD_MULTI_PREBUILT) or $(BUILD_HOST_PREBUILT), set these
+to executables that you want copied.  They're located automatically into the
 right bin directory.</p>
 
 <h4>LOCAL_PREBUILT_LIBS</h4>
-<p>When including $(BUILD_PREBUILT) or $(BUILD_HOST_PREBUILT), set these to
-libraries that you want copied.  They're located automatically into the
+<p>When including $(BUILD_MULTI_PREBUILT) or $(BUILD_HOST_PREBUILT), set these
+to libraries that you want copied.  They're located automatically into the
 right lib directory.</p>
 
 <h4>LOCAL_SHARED_LIBRARIES</h4>
@@ -836,6 +831,16 @@ <h4>LOCAL_MODULE_RELATIVE_PATH</h4>
 the relative path.</p>
 <p>See <a href="#moving-modules">Putting modules elsewhere</a> for more.</p>
 
+<h4>LOCAL_MODULE_HOST_OS</h4>
+<p>This specifies which OSes are supported by this host module. It is not used
+for target builds. The accepted values here are combinations of
+<code>linux</code>, <code>darwin</code>, and <code>windows</code>. By default,
+linux and darwin(MacOS) are considered to be supported. If a module should
+build under windows, you must specify windows, and any others to be supported.
+Some examples:</p>
+<p><code>LOCAL_MODULE_HOST_OS := linux<br/>
+LOCAL_MODULE_HOST_OS := darwin linux windows</code></p>
+
 <h4>LOCAL_UNSTRIPPED_PATH</h4>
 <p>Instructs the build system to put the unstripped version of the module
 somewhere other than what's normal for its type.  Usually, you override this
@@ -878,10 +883,10 @@ <h3>Environment Setup / buildspec.mk Versioning</h3>
 If you make a change that requires an update, you need to update two places
 so this message will be printed.
 <ul>
-    <li>In config/envsetup.make, increment the
+    <li>In core/envsetup.mk, increment the
         CORRECT_BUILD_ENV_SEQUENCE_NUMBER definition.</li>
     <li>In buildspec.mk.default, update the BUILD_ENV_SEQUENCE_DUMBER
-        definition to match the one in config/envsetup.make</li>
+        definition to match the one in core/envsetup.mk</li>
 </ul>
 The scripts automatically get the value from the build system, so they will
 trigger the warning as well.
@@ -900,53 +905,39 @@ <h4>LOCAL_ADDITIONAL_DEPENDENCIES</h4>
 for some other dependency that isn't created automatically.</p>
 
 <h4>LOCAL_BUILT_MODULE</h4>
+<p class=warning>This should not be used, since multiple binaries are now
+created from a single module defintiion.</p>
 <p>When a module is built, the module is created in an intermediate
 directory then copied to its final location.  LOCAL_BUILT_MODULE is
 the full path to the intermediate file.  See LOCAL_INSTALLED_MODULE
 for the path to the final installed location of the module.</p>
 
-<h4>LOCAL_HOST</h4>
-<p>Set by the host_xxx.make includes to tell base_rules.make and the other
-includes that we're building for the host.  Kenneth did this as part of
-openbinder, and I would like to clean it up so the rules, includes and
-definitions aren't duplicated for host and target.</p>
+<h4>LOCAL_IS_HOST_MODULE</h4>
+<p>Set by the host_xxx.mk includes to tell base_rules.mk and the other
+includes that we're building for the host.</p>
 
 <h4>LOCAL_INSTALLED_MODULE</h4>
+<p class=warning>This should not be used, since multiple binaries are now
+created from a single module defintiion.</p>
 <p>The fully qualified path name of the final location of the module.
 See LOCAL_BUILT_MODULE for the location of the intermediate file that
 the make rules should actually be constructing.</p>
 
-<h4>LOCAL_REPLACE_VARS</h4>
-<p>Used in some stuff remaining from the openbinder for building scripts
-with particular values set,</p>
-
-<h4>LOCAL_SCRIPTS</h4>
-<p>Used in some stuff remaining from the openbinder build system that we
-might find handy some day.</p>
-
 <h4>LOCAL_MODULE_CLASS</h4>
 <p>Which kind of module this is.  This variable is used to construct other
-variable names used to locate the modules.  See base_rules.make and
-envsetup.make.</p>
-
-<h4>LOCAL_MODULE_NAME</h4>
-<p>Set to the leaf name of the LOCAL_BUILT_MODULE.  I'm not sure,
-but it looks like it's just used in the WHO_AM_I variable to identify
-in the pretty printing what's being built.</p>
+variable names used to locate the modules.  See base_rules.mk and
+envsetup.mk.</p>
 
 <h4>LOCAL_MODULE_SUFFIX</h4>
 <p>The suffix that will be appended to <code>LOCAL_MODULE</code> to form
 <code>LOCAL_MODULE_NAME</code>.  For example, .so, .a, .dylib.</p>
 
 <h4>LOCAL_STRIP_MODULE</h4>
-<p>Calculated in base_rules.make to determine if this module should actually
-be stripped or not, based on whether <code>LOCAL_STRIPPABLE_MODULE</code>
-is set, and whether the combo is configured to ever strip modules.  With
-Iliyan's stripping tool, this might change.</p>
-
-<h4>LOCAL_STRIPPABLE_MODULE</h4>
-<p>Set by the include makefiles if that type of module is strippable. 
-Executables and shared libraries are.</p>
+<p>If set to true (the default), the binary will be stripped and a debug
+link will be set up so that GDB will still work. If set to no_debuglink,
+the binary will be stripped, but no debug link will be added. If set to
+keep_symbols, it will strip the debug information, but keep the symbol table.
+Any other value will prevent stripping.</p>
 
 <h4>LOCAL_SYSTEM_SHARED_LIBRARIES</h4>
 <p>Used while building the base libraries: libc, libm, libdl.  Usually
diff --git a/core/build_id.mk b/core/build_id.mk
index 00a691f85..35b5a1b6f 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=LMP
+export BUILD_ID=NJH47F
diff --git a/core/build_rro_package.mk b/core/build_rro_package.mk
new file mode 100644
index 000000000..9865b33fe
--- /dev/null
+++ b/core/build_rro_package.mk
@@ -0,0 +1,25 @@
+#############################################################################
+## Standard rules for installing runtime resouce overlay APKs.
+##
+## Set LOCAL_RRO_THEME to the theme name if the package should apply only to
+## a particular theme as set by ro.boot.vendor.overlay.theme system property.
+##
+## If LOCAL_RRO_THEME is not set, the package will apply always, independent
+## of themes.
+##
+#############################################################################
+
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY := true
+
+ifneq ($(LOCAL_SRC_FILES),)
+  $(error runtime resource overlay package should not contain sources)
+endif
+
+ifeq (S(LOCAL_RRO_THEME),)
+  LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/overlay
+else
+  LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/overlay/$(LOCAL_RRO_THEME)
+endif
+
+include $(BUILD_SYSTEM)/package.mk
+
diff --git a/core/ccache.mk b/core/ccache.mk
new file mode 100644
index 000000000..b682aff2a
--- /dev/null
+++ b/core/ccache.mk
@@ -0,0 +1,60 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+ifneq ($(filter-out false,$(USE_CCACHE)),)
+  # The default check uses size and modification time, causing false misses
+  # since the mtime depends when the repo was checked out
+  export CCACHE_COMPILERCHECK := content
+
+  # See man page, optimizations to get more cache hits
+  # implies that __DATE__ and __TIME__ are not critical for functionality.
+  # Ignore include file modification time since it will depend on when
+  # the repo was checked out
+  export CCACHE_SLOPPINESS := time_macros,include_file_mtime,file_macro
+
+  # Turn all preprocessor absolute paths into relative paths.
+  # Fixes absolute paths in preprocessed source due to use of -g.
+  # We don't really use system headers much so the rootdir is
+  # fine; ensures these paths are relative for all Android trees
+  # on a workstation.
+  ifeq ($(CCACHE_BASEDIR),)
+    export CCACHE_BASEDIR := $(ANDROID_BUILD_TOP)
+  endif
+
+  # Workaround for ccache with clang.
+  # See http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
+  export CCACHE_CPP2 := true
+
+  # Detect if the system already has ccache installed to use instead of the prebuilt
+  ccache := $(shell which ccache)
+
+  ifeq ($(ccache),)
+    CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG)
+    ccache := prebuilts/misc/$(CCACHE_HOST_TAG)/ccache/ccache
+  endif
+
+  # Check that the executable is here.
+  ccache := $(strip $(wildcard $(ccache)))
+  ifdef ccache
+    ifndef CC_WRAPPER
+      CC_WRAPPER := $(ccache)
+    endif
+    ifndef CXX_WRAPPER
+      CXX_WRAPPER := $(ccache)
+    endif
+    ccache =
+  endif
+endif
diff --git a/core/checktree b/core/checktree
index b0b9cfab6..287268328 100755
--- a/core/checktree
+++ b/core/checktree
@@ -1,4 +1,4 @@
-#!/usr/bin/python -E
+#!/usr/bin/env python -E
 
 import sys, os, re
 
diff --git a/core/clang/HOST_CROSS_x86.mk b/core/clang/HOST_CROSS_x86.mk
new file mode 100644
index 000000000..b78a0743b
--- /dev/null
+++ b/core/clang/HOST_CROSS_x86.mk
@@ -0,0 +1,56 @@
+
+include $(BUILD_SYSTEM)/clang/x86.mk
+
+CLANG_CONFIG_x86_HOST_CROSS_TRIPLE := i686-pc-mingw32
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_ASFLAGS := \
+  $(CLANG_CONFIG_EXTRA_ASFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_ASFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_ASFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_ASFLAGS) \
+  -target $(CLANG_CONFIG_x86_HOST_CROSS_TRIPLE)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_ASFLAGS)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_CONLYFLAGS)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CPPFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_CPPFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_CPPFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_CPPFLAGS) \
+  -target $(CLANG_CONFIG_x86_HOST_CROSS_TRIPLE)
+
+CLANG_CONFIG_x86_HOST_CROSS_EXTRA_LDFLAGS := \
+  $(CLANG_CONFIG_EXTRA_LDFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_LDFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_LDFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_COMBO_EXTRA_LDFLAGS) \
+  -target $(CLANG_CONFIG_x86_HOST_CROSS_TRIPLE)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_CFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_CFLAGS)) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CFLAGS)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_CONLYFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CONLYFLAGS)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_CPPFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_CPPFLAGS)) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_CPPFLAGS)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_LDFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_LDFLAGS)) \
+  $(CLANG_CONFIG_x86_HOST_CROSS_EXTRA_LDFLAGS)
+
+$(clang_2nd_arch_prefix)HOST_CROSS_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-i686.a
diff --git a/core/clang/HOST_CROSS_x86_64.mk b/core/clang/HOST_CROSS_x86_64.mk
new file mode 100644
index 000000000..b6f2de976
--- /dev/null
+++ b/core/clang/HOST_CROSS_x86_64.mk
@@ -0,0 +1,56 @@
+
+include $(BUILD_SYSTEM)/clang/x86_64.mk
+
+CLANG_CONFIG_x86_64_HOST_CROSS_TRIPLE := x86_64-pc-mingw32
+
+CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_ASFLAGS := \
+  $(CLANG_CONFIG_EXTRA_ASFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_ASFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_ASFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_COMBO_EXTRA_ASFLAGS) \
+  -target $(CLANG_CONFIG_x86_64_HOST_CROSS_TRIPLE)
+
+CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_CFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_COMBO_EXTRA_CFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_ASFLAGS)
+
+CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_COMBO_EXTRA_CONLYFLAGS)
+
+CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_CPPFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_CPPFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_CPPFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_COMBO_EXTRA_CPPFLAGS) \
+  -target $(CLANG_CONFIG_x86_64_HOST_CROSS_TRIPLE)
+
+CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_LDFLAGS := \
+  $(CLANG_CONFIG_EXTRA_LDFLAGS) \
+  $(CLANG_CONFIG_HOST_CROSS_EXTRA_LDFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_LDFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_COMBO_EXTRA_LDFLAGS) \
+  -target $(CLANG_CONFIG_x86_64_HOST_CROSS_TRIPLE)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_CFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_CFLAGS)) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_CFLAGS)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_CONLYFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_CONLYFLAGS)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_CPPFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_CPPFLAGS)) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_CPPFLAGS)
+
+$(clang_2nd_arch_prefix)CLANG_HOST_CROSS_GLOBAL_LDFLAGS := \
+  $(call convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_CROSS_GLOBAL_LDFLAGS)) \
+  $(CLANG_CONFIG_x86_64_HOST_CROSS_EXTRA_LDFLAGS)
+
+$(clang_2nd_arch_prefix)HOST_CROSS_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-x86_64.a
diff --git a/core/clang/HOST_x86.mk b/core/clang/HOST_x86.mk
index 510a74dc3..0ec64adba 100644
--- a/core/clang/HOST_x86.mk
+++ b/core/clang/HOST_x86.mk
@@ -11,9 +11,10 @@ CLANG_CONFIG_x86_HOST_COMBO_EXTRA_LDFLAGS := $(CLANG_CONFIG_x86_LINUX_HOST_EXTRA
 endif
 ifeq ($(HOST_OS),darwin)
 CLANG_CONFIG_x86_HOST_TRIPLE := i686-apple-darwin
-endif
-ifeq ($(HOST_OS),windows)
-CLANG_CONFIG_x86_HOST_TRIPLE := i686-pc-mingw32
+CLANG_CONFIG_x86_HOST_COMBO_EXTRA_ASFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_ASFLAGS)
+CLANG_CONFIG_x86_HOST_COMBO_EXTRA_CFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CFLAGS)
+CLANG_CONFIG_x86_HOST_COMBO_EXTRA_CPPFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CPPFLAGS)
+CLANG_CONFIG_x86_HOST_COMBO_EXTRA_LDFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_LDFLAGS)
 endif
 
 CLANG_CONFIG_x86_HOST_EXTRA_ASFLAGS := \
@@ -30,6 +31,12 @@ CLANG_CONFIG_x86_HOST_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_x86_HOST_COMBO_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_x86_HOST_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_x86_HOST_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_HOST_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_HOST_COMBO_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_x86_HOST_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_HOST_EXTRA_CPPFLAGS) \
@@ -55,6 +62,10 @@ $(clang_2nd_arch_prefix)CLANG_HOST_GLOBAL_CFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_x86_HOST_EXTRA_CFLAGS)
 
+$(clang_2nd_arch_prefix)CLANG_HOST_GLOBAL_CONLYFLAGS := \
+  $(call $(clang_2nd_arch_prefix)convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_x86_HOST_EXTRA_CONLYFLAGS)
+
 $(clang_2nd_arch_prefix)CLANG_HOST_GLOBAL_CPPFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_x86_HOST_EXTRA_CPPFLAGS)
@@ -62,3 +73,5 @@ $(clang_2nd_arch_prefix)CLANG_HOST_GLOBAL_CPPFLAGS := \
 $(clang_2nd_arch_prefix)CLANG_HOST_GLOBAL_LDFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-host-clang-flags,$($(clang_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS)) \
   $(CLANG_CONFIG_x86_HOST_EXTRA_LDFLAGS)
+
+$(clang_2nd_arch_prefix)HOST_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-i686.a
diff --git a/core/clang/HOST_x86_64.mk b/core/clang/HOST_x86_64.mk
index 6b945258d..d46cb67e4 100644
--- a/core/clang/HOST_x86_64.mk
+++ b/core/clang/HOST_x86_64.mk
@@ -11,9 +11,10 @@ CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_LDFLAGS := $(CLANG_CONFIG_x86_LINUX_HOST_EX
 endif
 ifeq ($(HOST_OS),darwin)
 CLANG_CONFIG_x86_64_HOST_TRIPLE := x86_64-apple-darwin
-endif
-ifeq ($(HOST_OS),windows)
-CLANG_CONFIG_x86_64_HOST_TRIPLE := x86_64-pc-mingw64
+CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_ASFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_ASFLAGS)
+CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_CFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CFLAGS)
+CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_CPPFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CPPFLAGS)
+CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_LDFLAGS := $(CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_LDFLAGS)
 endif
 
 CLANG_CONFIG_x86_64_HOST_EXTRA_ASFLAGS := \
@@ -30,6 +31,12 @@ CLANG_CONFIG_x86_64_HOST_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_x86_64_HOST_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_x86_64_HOST_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_HOST_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_64_HOST_COMBO_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_x86_64_HOST_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_HOST_EXTRA_CPPFLAGS) \
@@ -55,6 +62,10 @@ CLANG_HOST_GLOBAL_CFLAGS := \
   $(call convert-to-host-clang-flags,$(HOST_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_x86_64_HOST_EXTRA_CFLAGS)
 
+CLANG_HOST_GLOBAL_CONLYFLAGS := \
+  $(call convert-to-host-clang-flags,$(HOST_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_x86_64_HOST_EXTRA_CONLYFLAGS)
+
 CLANG_HOST_GLOBAL_CPPFLAGS := \
   $(call convert-to-host-clang-flags,$(HOST_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_x86_64_HOST_EXTRA_CPPFLAGS)
@@ -62,3 +73,5 @@ CLANG_HOST_GLOBAL_CPPFLAGS := \
 CLANG_HOST_GLOBAL_LDFLAGS := \
   $(call convert-to-host-clang-flags,$(HOST_GLOBAL_LDFLAGS)) \
   $(CLANG_CONFIG_x86_64_HOST_EXTRA_LDFLAGS)
+
+HOST_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-x86_64.a
diff --git a/core/clang/HOST_x86_common.mk b/core/clang/HOST_x86_common.mk
index 0241cb663..690c0f6b3 100644
--- a/core/clang/HOST_x86_common.mk
+++ b/core/clang/HOST_x86_common.mk
@@ -1,56 +1,55 @@
 # Shared by HOST_x86.mk and HOST_x86_64.mk.
 
 ifeq ($(HOST_OS),darwin)
-# nothing required here yet
+CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_ASFLAGS := \
+  -integrated-as
+
+CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CFLAGS := \
+  -integrated-as
+
+CLANG_CONFIG_x86_DARWIN_HOST_EXTRA_CFLAGS += -fstack-protector-strong
 endif
 
 ifeq ($(HOST_OS),linux)
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_ASFLAGS := \
   --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
-  --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
-  -no-integrated-as
+  --sysroot $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+  -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/bin
 
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_CFLAGS := \
-  --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
-  -no-integrated-as
+  --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)
+
+CLANG_CONFIG_x86_LINUX_HOST_EXTRA_CFLAGS += -fstack-protector-strong
 
 ifneq ($(strip $($(clang_2nd_arch_prefix)HOST_IS_64_BIT)),)
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_CPPFLAGS := \
   --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
-  --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
-  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.6 \
-  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.6/x86_64-linux \
-  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.6/backward \
-  -no-integrated-as
+  --sysroot $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.8 \
+  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.8/x86_64-linux \
+  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.8/backward
 
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_LDFLAGS := \
   --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
-  --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+  --sysroot $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
   -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/bin \
-  -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.6 \
-  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.6 \
-  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/lib64/ \
-  -no-integrated-as
+  -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.8 \
+  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.8 \
+  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/lib64/
 else
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_CPPFLAGS := \
   --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
-  --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
-  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.6 \
-  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.6/x86_64-linux/32 \
-  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.6/backward \
-  -no-integrated-as
+  --sysroot $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.8 \
+  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.8/x86_64-linux/32 \
+  -isystem $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/include/c++/4.8/backward
 
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_LDFLAGS := \
   --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
-  --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+  --sysroot $($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
   -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/bin \
-  -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.6/32 \
-  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.6/32 \
-  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/lib32/ \
-  -no-integrated-as
+  -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.8/32 \
+  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/lib/gcc/x86_64-linux/4.8/32 \
+  -L$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/lib32/
 endif
 endif  # Linux
-
-ifeq ($(HOST_OS),windows)
-# nothing required here yet
-endif
diff --git a/core/clang/TARGET_arm.mk b/core/clang/TARGET_arm.mk
index 59ed41f98..5c1bf6f80 100644
--- a/core/clang/TARGET_arm.mk
+++ b/core/clang/TARGET_arm.mk
@@ -19,6 +19,11 @@ CLANG_CONFIG_arm_TARGET_EXTRA_CFLAGS := \
   -target $(CLANG_CONFIG_arm_TARGET_TRIPLE) \
   $(CLANG_CONFIG_arm_TARGET_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_arm_TARGET_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_TARGET_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_arm_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_arm_TARGET_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS) \
@@ -44,6 +49,10 @@ $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_arm_TARGET_EXTRA_CFLAGS)
 
+$(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CONLYFLAGS := \
+  $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_arm_TARGET_EXTRA_CONLYFLAGS)
+
 $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CPPFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_arm_TARGET_EXTRA_CPPFLAGS)
@@ -52,6 +61,12 @@ $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_LDFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS)) \
   $(CLANG_CONFIG_arm_TARGET_EXTRA_LDFLAGS)
 
-$(clang_2nd_arch_prefix)RS_TRIPLE := armv7-none-linux-gnueabi
+$(clang_2nd_arch_prefix)RS_TRIPLE := armv7-linux-androideabi
 $(clang_2nd_arch_prefix)RS_TRIPLE_CFLAGS :=
-RS_COMPAT_TRIPLE := armv7-none-linux-gnueabi
+$(clang_2nd_arch_prefix)RS_COMPAT_TRIPLE := armv7-none-linux-gnueabi
+
+$(clang_2nd_arch_prefix)TARGET_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-arm-android.a
+
+# Address sanitizer clang config
+$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan-arm-android
+$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_LINKER := /system/bin/linker_asan
diff --git a/core/clang/TARGET_arm64.mk b/core/clang/TARGET_arm64.mk
index 6f9e5406a..15b0172a6 100644
--- a/core/clang/TARGET_arm64.mk
+++ b/core/clang/TARGET_arm64.mk
@@ -18,6 +18,11 @@ CLANG_CONFIG_arm64_TARGET_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_arm64_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_arm64_TARGET_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_arm64_TARGET_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_TARGET_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_arm64_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_arm64_TARGET_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS) \
@@ -42,6 +47,10 @@ CLANG_TARGET_GLOBAL_CFLAGS := \
   $(call convert-to-clang-flags,$(TARGET_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_arm64_TARGET_EXTRA_CFLAGS)
 
+CLANG_TARGET_GLOBAL_CONLYFLAGS := \
+  $(call convert-to-clang-flags,$(TARGET_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_arm64_TARGET_EXTRA_CONLYFLAGS)
+
 CLANG_TARGET_GLOBAL_CPPFLAGS := \
   $(call convert-to-clang-flags,$(TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_arm64_TARGET_EXTRA_CPPFLAGS)
@@ -53,3 +62,9 @@ CLANG_TARGET_GLOBAL_LDFLAGS := \
 RS_TRIPLE := aarch64-linux-android
 RS_TRIPLE_CFLAGS :=
 RS_COMPAT_TRIPLE := aarch64-linux-android
+
+TARGET_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-aarch64-android.a
+
+# Address sanitizer clang config
+ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan-aarch64-android
+ADDRESS_SANITIZER_LINKER := /system/bin/linker_asan64
diff --git a/core/clang/TARGET_mips.mk b/core/clang/TARGET_mips.mk
index 91067f58a..1a0176a5a 100644
--- a/core/clang/TARGET_mips.mk
+++ b/core/clang/TARGET_mips.mk
@@ -9,6 +9,7 @@ CLANG_CONFIG_mips_TARGET_EXTRA_ASFLAGS := \
   $(CLANG_CONFIG_EXTRA_ASFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_ASFLAGS) \
   $(CLANG_CONFIG_mips_EXTRA_ASFLAGS) \
+  -fPIC \
   -target $(CLANG_CONFIG_mips_TARGET_TRIPLE) \
   -B$(CLANG_CONFIG_mips_TARGET_TOOLCHAIN_PREFIX)
 
@@ -18,6 +19,11 @@ CLANG_CONFIG_mips_TARGET_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_mips_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_mips_TARGET_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_mips_TARGET_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_TARGET_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_mips_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_mips_TARGET_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS) \
@@ -42,6 +48,10 @@ $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_mips_TARGET_EXTRA_CFLAGS)
 
+$(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CONLYFLAGS := \
+  $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_mips_TARGET_EXTRA_CONLYFLAGS)
+
 $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CPPFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_mips_TARGET_EXTRA_CPPFLAGS)
@@ -50,6 +60,8 @@ $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_LDFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS)) \
   $(CLANG_CONFIG_mips_TARGET_EXTRA_LDFLAGS)
 
-$(clang_2nd_arch_prefix)RS_TRIPLE := armv7-none-linux-gnueabi
+$(clang_2nd_arch_prefix)RS_TRIPLE := armv7-linux-androideabi
 $(clang_2nd_arch_prefix)RS_TRIPLE_CFLAGS :=
 RS_COMPAT_TRIPLE := mipsel-linux-android
+
+$(clang_2nd_arch_prefix)TARGET_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-mipsel-android.a
diff --git a/core/clang/TARGET_mips64.mk b/core/clang/TARGET_mips64.mk
index ab69aedab..104fb7021 100644
--- a/core/clang/TARGET_mips64.mk
+++ b/core/clang/TARGET_mips64.mk
@@ -18,6 +18,11 @@ CLANG_CONFIG_mips64_TARGET_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_mips64_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_mips64_TARGET_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_mips64_TARGET_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_TARGET_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_mips64_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_mips64_TARGET_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS) \
@@ -42,6 +47,10 @@ CLANG_TARGET_GLOBAL_CFLAGS := \
   $(call convert-to-clang-flags,$(TARGET_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_mips64_TARGET_EXTRA_CFLAGS)
 
+CLANG_TARGET_GLOBAL_CONLYFLAGS := \
+  $(call convert-to-clang-flags,$(TARGET_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_mips64_TARGET_EXTRA_CONLYFLAGS)
+
 CLANG_TARGET_GLOBAL_CPPFLAGS := \
   $(call convert-to-clang-flags,$(TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_mips64_TARGET_EXTRA_CPPFLAGS)
@@ -53,3 +62,5 @@ CLANG_TARGET_GLOBAL_LDFLAGS := \
 RS_TRIPLE := aarch64-linux-android
 RS_TRIPLE_CFLAGS :=
 RS_COMPAT_TRIPLE := mips64el-linux-android
+
+TARGET_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-mips64el-android.a
diff --git a/core/clang/TARGET_x86.mk b/core/clang/TARGET_x86.mk
index 60ee06fda..741768b5e 100644
--- a/core/clang/TARGET_x86.mk
+++ b/core/clang/TARGET_x86.mk
@@ -18,7 +18,17 @@ CLANG_CONFIG_x86_TARGET_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_x86_EXTRA_CFLAGS) \
-  $(CLANG_CONFIG_x86_TARGET_EXTRA_ASFLAGS)
+  $(CLANG_CONFIG_x86_TARGET_EXTRA_ASFLAGS) \
+  -mstackrealign
+
+# -mstackrealign is needed to realign stack in native code
+# that could be called from JNI, so that movaps instruction
+# will work on assumed stack aligned local variables.
+
+CLANG_CONFIG_x86_TARGET_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_TARGET_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_EXTRA_CONLYFLAGS)
 
 CLANG_CONFIG_x86_TARGET_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
@@ -44,6 +54,10 @@ $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_x86_TARGET_EXTRA_CFLAGS)
 
+$(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CONLYFLAGS := \
+  $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_x86_TARGET_EXTRA_CONLYFLAGS)
+
 $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CPPFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_x86_TARGET_EXTRA_CPPFLAGS)
@@ -52,6 +66,12 @@ $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_LDFLAGS := \
   $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS)) \
   $(CLANG_CONFIG_x86_TARGET_EXTRA_LDFLAGS)
 
-$(clang_2nd_arch_prefix)RS_TRIPLE := armv7-none-linux-gnueabi
+$(clang_2nd_arch_prefix)RS_TRIPLE := armv7-linux-androideabi
 $(clang_2nd_arch_prefix)RS_TRIPLE_CFLAGS := -D__i386__
-RS_COMPAT_TRIPLE := i686-linux-android
+$(clang_2nd_arch_prefix)RS_COMPAT_TRIPLE := i686-linux-android
+
+$(clang_2nd_arch_prefix)TARGET_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-i686-android.a
+
+# Address sanitizer clang config
+$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan-i686-android
+$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_LINKER := /system/bin/linker_asan
diff --git a/core/clang/TARGET_x86_64.mk b/core/clang/TARGET_x86_64.mk
index 5561e4249..e44382dcb 100644
--- a/core/clang/TARGET_x86_64.mk
+++ b/core/clang/TARGET_x86_64.mk
@@ -18,6 +18,11 @@ CLANG_CONFIG_x86_64_TARGET_EXTRA_CFLAGS := \
   $(CLANG_CONFIG_x86_64_EXTRA_CFLAGS) \
   $(CLANG_CONFIG_x86_64_TARGET_EXTRA_ASFLAGS)
 
+CLANG_CONFIG_x86_64_TARGET_EXTRA_CONLYFLAGS := \
+  $(CLANG_CONFIG_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_TARGET_EXTRA_CONLYFLAGS) \
+  $(CLANG_CONFIG_x86_64_EXTRA_CONLYFLAGS)
+
 CLANG_CONFIG_x86_64_TARGET_EXTRA_CPPFLAGS := \
   $(CLANG_CONFIG_EXTRA_CPPFLAGS) \
   $(CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS) \
@@ -42,6 +47,10 @@ CLANG_TARGET_GLOBAL_CFLAGS := \
   $(call convert-to-clang-flags,$(TARGET_GLOBAL_CFLAGS)) \
   $(CLANG_CONFIG_x86_64_TARGET_EXTRA_CFLAGS)
 
+CLANG_TARGET_GLOBAL_CONLYFLAGS := \
+  $(call convert-to-clang-flags,$(TARGET_GLOBAL_CONLYFLAGS)) \
+  $(CLANG_CONFIG_x86_64_TARGET_EXTRA_CONLYFLAGS)
+
 CLANG_TARGET_GLOBAL_CPPFLAGS := \
   $(call convert-to-clang-flags,$(TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_x86_64_TARGET_EXTRA_CPPFLAGS)
@@ -53,3 +62,5 @@ CLANG_TARGET_GLOBAL_LDFLAGS := \
 RS_TRIPLE := aarch64-linux-android
 RS_TRIPLE_CFLAGS := -D__x86_64__
 RS_COMPAT_TRIPLE := x86_64-linux-android
+
+TARGET_LIBPROFILE_RT := $(LLVM_RTLIB_PATH)/libclang_rt.profile-x86_64-android.a
diff --git a/core/clang/arm.mk b/core/clang/arm.mk
index 22c73977a..4053bb276 100644
--- a/core/clang/arm.mk
+++ b/core/clang/arm.mk
@@ -1,16 +1,18 @@
 # Clang flags for arm arch, target or host.
 
-CLANG_CONFIG_arm_EXTRA_ASFLAGS := \
-  -no-integrated-as
+CLANG_CONFIG_arm_EXTRA_ASFLAGS :=
 
-CLANG_CONFIG_arm_EXTRA_CFLAGS := \
-  -no-integrated-as
+CLANG_CONFIG_arm_EXTRA_CFLAGS :=
 
-CLANG_CONFIG_arm_EXTRA_CPPFLAGS := \
-  -no-integrated-as
+ifneq (,$(filter krait,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
+  # Android's clang support's krait as a CPU whereas GCC doesn't. Specify
+  # -mcpu here rather than the more normal core/combo/arch/arm/armv7-a-neon.mk.
+  CLANG_CONFIG_arm_EXTRA_CFLAGS += -mcpu=krait -mfpu=neon-vfpv4
+endif
 
-CLANG_CONFIG_arm_EXTRA_LDFLAGS := \
-  -no-integrated-as
+CLANG_CONFIG_arm_EXTRA_CPPFLAGS :=
+
+CLANG_CONFIG_arm_EXTRA_LDFLAGS :=
 
 # Include common unknown flags
 CLANG_CONFIG_arm_UNKNOWN_CFLAGS := \
@@ -19,14 +21,18 @@ CLANG_CONFIG_arm_UNKNOWN_CFLAGS := \
   -fgcse-after-reload \
   -frerun-cse-after-loop \
   -frename-registers \
+  -fno-align-jumps \
   -fno-builtin-sin \
+  -fno-caller-saves \
+  -fno-early-inlining \
+  -fno-move-loop-invariants \
+  -fno-partial-inlining \
   -fno-strict-volatile-bitfields \
-  -fno-align-jumps \
-  -Wa,--noexecstack
+  -fno-tree-copy-prop \
+  -fno-tree-loop-optimize
 
 define subst-clang-incompatible-arm-flags
   $(subst -march=armv5te,-march=armv5t,\
   $(subst -march=armv5e,-march=armv5,\
-  $(subst -mcpu=cortex-a15,-march=armv7-a,\
-  $(1))))
+  $(1)))
 endef
diff --git a/core/clang/arm64.mk b/core/clang/arm64.mk
index 9fb36707a..cad7321ec 100644
--- a/core/clang/arm64.mk
+++ b/core/clang/arm64.mk
@@ -1,10 +1,8 @@
 # Clang flags for arm64 arch, target or host.
 
-CLANG_CONFIG_arm64_EXTRA_ASFLAGS := \
-  -no-integrated-as
+CLANG_CONFIG_arm64_EXTRA_ASFLAGS :=
 
-CLANG_CONFIG_arm64_EXTRA_CFLAGS := \
-  -no-integrated-as
+CLANG_CONFIG_arm64_EXTRA_CFLAGS :=
 
 CLANG_CONFIG_arm64_EXTRA_LDFLAGS :=
 
@@ -15,8 +13,7 @@ CLANG_CONFIG_arm64_UNKNOWN_CFLAGS := \
   -frerun-cse-after-loop \
   -frename-registers \
   -fno-strict-volatile-bitfields \
-  -fno-align-jumps \
-  -Wa,--noexecstack
+  -fno-align-jumps
 
 # We don't have any arm64 flags to substitute yet.
 define subst-clang-incompatible-arm64-flags
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 5b2aea50d..6cc344637 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -1,13 +1,7 @@
 ## Clang configurations.
 
-# WITHOUT_CLANG covers both HOST and TARGET
-ifeq ($(WITHOUT_CLANG),true)
-WITHOUT_TARGET_CLANG := true
-WITHOUT_HOST_CLANG := true
-endif
-
-LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.5/bin
-LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.5/lib/clang/3.5/include/
+LLVM_PREBUILTS_PATH := $(LLVM_PREBUILTS_BASE)/$(BUILD_OS)-x86/$(LLVM_PREBUILTS_VERSION)/bin
+LLVM_RTLIB_PATH := $(LLVM_PREBUILTS_PATH)/../lib64/clang/$(LLVM_RELEASE_VERSION)/lib/linux/
 
 CLANG := $(LLVM_PREBUILTS_PATH)/clang$(BUILD_EXECUTABLE_SUFFIX)
 CLANG_CXX := $(LLVM_PREBUILTS_PATH)/clang++$(BUILD_EXECUTABLE_SUFFIX)
@@ -17,21 +11,20 @@ LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
 CLANG_TBLGEN := $(BUILD_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 LLVM_TBLGEN := $(BUILD_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 
-# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
-ifdef CC_WRAPPER
-  ifneq ($(CC_WRAPPER),$(firstword $(CLANG)))
-    CLANG := $(CC_WRAPPER) $(CLANG)
-  endif
-endif
-ifdef CXX_WRAPPER
-  ifneq ($(CXX_WRAPPER),$(firstword $(CLANG_CXX)))
-    CLANG_CXX := $(CXX_WRAPPER) $(CLANG_CXX)
-  endif
-endif
+# RenderScript-specific tools
+# These are tied to the version of LLVM directly in external/, so they might
+# trail the host prebuilts being used for the rest of the build process.
+RS_LLVM_PREBUILTS_VERSION := clang-2690385
+RS_LLVM_PREBUILTS_BASE := prebuilts/clang/host
+RS_LLVM_PREBUILTS_PATH := $(RS_LLVM_PREBUILTS_BASE)/$(BUILD_OS)-x86/$(RS_LLVM_PREBUILTS_VERSION)/bin
+RS_CLANG := $(RS_LLVM_PREBUILTS_PATH)/clang$(BUILD_EXECUTABLE_SUFFIX)
+RS_LLVM_AS := $(RS_LLVM_PREBUILTS_PATH)/llvm-as$(BUILD_EXECUTABLE_SUFFIX)
+RS_LLVM_LINK := $(RS_LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
 
 # Clang flags for all host or target rules
 CLANG_CONFIG_EXTRA_ASFLAGS :=
 CLANG_CONFIG_EXTRA_CFLAGS :=
+CLANG_CONFIG_EXTRA_CONLYFLAGS := -std=gnu99
 CLANG_CONFIG_EXTRA_CPPFLAGS :=
 CLANG_CONFIG_EXTRA_LDFLAGS :=
 
@@ -42,17 +35,62 @@ CLANG_CONFIG_EXTRA_CFLAGS += \
 CLANG_CONFIG_EXTRA_CFLAGS += \
   -Werror=int-conversion
 
+# Disable overly aggressive warning for macros defined with a leading underscore
+# This used to happen in AndroidConfig.h, which was included everywhere.
+# TODO: can we remove this now?
+CLANG_CONFIG_EXTRA_CFLAGS += \
+  -Wno-reserved-id-macro
+
+# Disable overly aggressive warning for format strings.
+# Bug: 20148343
+CLANG_CONFIG_EXTRA_CFLAGS += \
+  -Wno-format-pedantic
+
+# Workaround for ccache with clang.
+# See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
+CLANG_CONFIG_EXTRA_CFLAGS += \
+  -Wno-unused-command-line-argument
+
+# Disable -Winconsistent-missing-override until we can clean up the existing
+# codebase for it.
+CLANG_CONFIG_EXTRA_CPPFLAGS += \
+  -Wno-inconsistent-missing-override
+
+# Force clang to always output color diagnostics.  Ninja will strip the ANSI
+# color codes if it is not running in a terminal.
+ifdef BUILDING_WITH_NINJA
+CLANG_CONFIG_EXTRA_CFLAGS += \
+  -fcolor-diagnostics
+endif
+
 CLANG_CONFIG_UNKNOWN_CFLAGS := \
-  -funswitch-loops \
-  -fno-tree-sra \
+  -finline-functions \
   -finline-limit=64 \
-  -Wno-psabi \
-  -Wno-unused-but-set-variable \
-  -Wno-unused-but-set-parameter \
+  -fno-canonical-system-headers \
+  -Wno-clobbered \
+  -fno-devirtualize \
+  -fno-tree-sra \
+  -fprefetch-loop-arrays \
+  -funswitch-loops \
+  -Werror=unused-but-set-parameter \
+  -Werror=unused-but-set-variable \
   -Wmaybe-uninitialized \
-  -Wno-maybe-uninitialized \
+  -Wno-error=clobbered \
   -Wno-error=maybe-uninitialized \
-  -fno-canonical-system-headers
+  -Wno-error=unused-but-set-parameter \
+  -Wno-error=unused-but-set-variable \
+  -Wno-free-nonheap-object \
+  -Wno-literal-suffix \
+  -Wno-maybe-uninitialized \
+  -Wno-old-style-declaration \
+  -Wno-psabi \
+  -Wno-unused-but-set-parameter \
+  -Wno-unused-but-set-variable \
+  -Wno-unused-local-typedefs \
+  -Wunused-but-set-parameter \
+  -Wunused-but-set-variable \
+  -fdiagnostics-color \
+  -fdebug-prefix-map=/proc/self/cwd=
 
 # Clang flags for all host rules
 CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=
@@ -60,12 +98,44 @@ CLANG_CONFIG_HOST_EXTRA_CFLAGS :=
 CLANG_CONFIG_HOST_EXTRA_CPPFLAGS :=
 CLANG_CONFIG_HOST_EXTRA_LDFLAGS :=
 
+# Clang flags for all host cross rules
+CLANG_CONFIG_HOST_CROSS_EXTRA_ASFLAGS :=
+CLANG_CONFIG_HOST_CROSS_EXTRA_CFLAGS :=
+CLANG_CONFIG_HOST_CROSS_EXTRA_CPPFLAGS :=
+CLANG_CONFIG_HOST_CROSS_EXTRA_LDFLAGS :=
+
 # Clang flags for all target rules
 CLANG_CONFIG_TARGET_EXTRA_ASFLAGS :=
 CLANG_CONFIG_TARGET_EXTRA_CFLAGS := -nostdlibinc
 CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS := -nostdlibinc
 CLANG_CONFIG_TARGET_EXTRA_LDFLAGS :=
 
+CLANG_DEFAULT_UB_CHECKS := \
+  bool \
+  integer-divide-by-zero \
+  return \
+  returns-nonnull-attribute \
+  shift-exponent \
+  unreachable \
+  vla-bound \
+
+# TODO(danalbert): The following checks currently have compiler performance
+# issues.
+# CLANG_DEFAULT_UB_CHECKS += alignment
+# CLANG_DEFAULT_UB_CHECKS += bounds
+# CLANG_DEFAULT_UB_CHECKS += enum
+# CLANG_DEFAULT_UB_CHECKS += float-cast-overflow
+# CLANG_DEFAULT_UB_CHECKS += float-divide-by-zero
+# CLANG_DEFAULT_UB_CHECKS += nonnull-attribute
+# CLANG_DEFAULT_UB_CHECKS += null
+# CLANG_DEFAULT_UB_CHECKS += shift-base
+# CLANG_DEFAULT_UB_CHECKS += signed-integer-overflow
+
+# TODO(danalbert): Fix UB in libc++'s __tree so we can turn this on.
+# https://llvm.org/PR19302
+# http://reviews.llvm.org/D6974
+# CLANG_DEFAULT_UB_CHECKS += object-size
+
 # HOST config
 clang_2nd_arch_prefix :=
 include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk
@@ -76,6 +146,15 @@ clang_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX)
 include $(BUILD_SYSTEM)/clang/HOST_$(HOST_2ND_ARCH).mk
 endif
 
+ifdef HOST_CROSS_ARCH
+clang_2nd_arch_prefix :=
+include $(BUILD_SYSTEM)/clang/HOST_CROSS_$(HOST_CROSS_ARCH).mk
+ifdef HOST_CROSS_2ND_ARCH
+clang_2nd_arch_prefix := $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)
+include $(BUILD_SYSTEM)/clang/HOST_CROSS_$(HOST_CROSS_2ND_ARCH).mk
+endif
+endif
+
 # TARGET config
 clang_2nd_arch_prefix :=
 include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk
@@ -86,18 +165,17 @@ clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
 include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk
 endif
 
-
-# Clang compiler-specific libc headers
-CLANG_CONFIG_EXTRA_HOST_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH)
-CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH) $(TARGET_OUT_HEADERS)/clang
-
-# Address sanitizer clang config
-ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan_$(TARGET_ARCH)_android
-ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address -fno-omit-frame-pointer
+ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fno-omit-frame-pointer
 ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
-ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl $(ADDRESS_SANITIZER_RUNTIME_LIBRARY)
+
+ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES :=
 ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
 
 # This allows us to use the superset of functionality that compiler-rt
 # provides to Clang (for supporting features like -ftrapv).
 COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras
+
+ifeq ($(HOST_PREFER_32_BIT),true)
+# We don't have 32-bit prebuilt libLLVM/libclang, so force to build them from source.
+FORCE_BUILD_LLVM_COMPONENTS := true
+endif
diff --git a/core/clang/mips.mk b/core/clang/mips.mk
index 08daf403a..4a8f81224 100644
--- a/core/clang/mips.mk
+++ b/core/clang/mips.mk
@@ -12,8 +12,14 @@ CLANG_CONFIG_mips_UNKNOWN_CFLAGS := \
   -frerun-cse-after-loop \
   -frename-registers \
   -msynci \
+  -mno-synci \
   -mno-fused-madd
 
+# Temporary workaround for Mips clang++ problem,  creates
+#   relocated ptrs in read-only pic .gcc_exception_table;
+#   permanent fix pending at http://reviews.llvm.org/D9669
+CLANG_CONFIG_mips_UNKNOWN_CFLAGS += -Wl,--warn-shared-textrel
+
 # We don't have any mips flags to substitute yet.
 define subst-clang-incompatible-mips-flags
   $(1)
diff --git a/core/clang/mips64.mk b/core/clang/mips64.mk
index 612175c56..1b72e058f 100644
--- a/core/clang/mips64.mk
+++ b/core/clang/mips64.mk
@@ -12,8 +12,14 @@ CLANG_CONFIG_mips64_UNKNOWN_CFLAGS := \
   -frerun-cse-after-loop \
   -frename-registers \
   -msynci \
+  -mno-synci \
   -mno-fused-madd
 
+# Temporary workaround for Mips clang++ problem creating
+#   relocated ptrs in read-only pic .gcc_exception_table;
+#   permanent fix pending at http://reviews.llvm.org/D9669
+CLANG_CONFIG_mips64_UNKNOWN_CFLAGS += -Wl,--warn-shared-textrel
+
 # We don't have any mips64 flags to substitute yet.
 define subst-clang-incompatible-mips64-flags
   $(1)
diff --git a/core/clang/versions.mk b/core/clang/versions.mk
new file mode 100644
index 000000000..81bd3b873
--- /dev/null
+++ b/core/clang/versions.mk
@@ -0,0 +1,5 @@
+## Clang/LLVM release versions.
+
+LLVM_RELEASE_VERSION := 3.8
+LLVM_PREBUILTS_VERSION ?= clang-2690385
+LLVM_PREBUILTS_BASE ?= prebuilts/clang/host
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index cf980d8e0..5c3369a1f 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -54,6 +54,7 @@ endef
 # can have permission to touch it.
 include $(BUILD_SYSTEM)/cleanspec.mk
 INTERNAL_CLEAN_BUILD_VERSION := $(strip $(INTERNAL_CLEAN_BUILD_VERSION))
+INTERNAL_CLEAN_STEPS := $(strip $(INTERNAL_CLEAN_STEPS))
 
 # If the clean_steps.mk file is missing (usually after a clean build)
 # then we won't do anything.
@@ -105,20 +106,39 @@ else
   _crs_new_cmd :=
   steps :=
 endif
-CURRENT_CLEAN_BUILD_VERSION :=
-CURRENT_CLEAN_STEPS :=
 
 # Write the new state to the file.
 #
+rewrite_clean_steps_file :=
+ifneq ($(CURRENT_CLEAN_BUILD_VERSION)-$(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_BUILD_VERSION)-$(INTERNAL_CLEAN_STEPS))
+rewrite_clean_steps_file := true
+endif
+ifeq ($(wildcard $(clean_steps_file)),)
+# This is the first build.
+rewrite_clean_steps_file := true
+endif
+ifeq ($(rewrite_clean_steps_file),true)
 $(shell \
   mkdir -p $(dir $(clean_steps_file)) && \
   echo "CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)" > \
       $(clean_steps_file) ;\
-  echo "CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)" >> \
-      $(clean_steps_file) \
+  echo "CURRENT_CLEAN_STEPS := $(wordlist 1,500,$(INTERNAL_CLEAN_STEPS))" >> $(clean_steps_file) \
  )
+define -cs-write-clean-steps-if-arg1-not-empty
+$(if $(1),$(shell echo "CURRENT_CLEAN_STEPS += $(1)" >> $(clean_steps_file)))
+endef
+$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 501,1000,$(INTERNAL_CLEAN_STEPS)))
+$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1001,1500,$(INTERNAL_CLEAN_STEPS)))
+$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1501,2000,$(INTERNAL_CLEAN_STEPS)))
+$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2001,2500,$(INTERNAL_CLEAN_STEPS)))
+$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2501,3000,$(INTERNAL_CLEAN_STEPS)))
+$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 3001,99999,$(INTERNAL_CLEAN_STEPS)))
+endif
 
+CURRENT_CLEAN_BUILD_VERSION :=
+CURRENT_CLEAN_STEPS :=
 clean_steps_file :=
+rewrite_clean_steps_file :=
 INTERNAL_CLEAN_STEPS :=
 INTERNAL_CLEAN_BUILD_VERSION :=
 
@@ -137,15 +157,23 @@ aapt_config_list := $(strip $(PRODUCT_AAPT_CONFIG) $(PRODUCT_AAPT_PREF_CONFIG))
 
 current_build_config := \
     $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)-{$(aapt_config_list)}
+current_sanitize_target := $(strip $(SANITIZE_TARGET))
+ifeq (,$(current_sanitize_target))
+  current_sanitize_target := false
+endif
 aapt_config_list :=
 force_installclean := false
+force_objclean := false
 
 # Read the current state from the file, if present.
 # Will set PREVIOUS_BUILD_CONFIG.
 #
 PREVIOUS_BUILD_CONFIG :=
+PREVIOUS_SANITIZE_TARGET :=
 -include $(previous_build_config_file)
 PREVIOUS_BUILD_CONFIG := $(strip $(PREVIOUS_BUILD_CONFIG))
+PREVIOUS_SANITIZE_TARGET := $(strip $(PREVIOUS_SANITIZE_TARGET))
+
 ifdef PREVIOUS_BUILD_CONFIG
   ifneq "$(current_build_config)" "$(PREVIOUS_BUILD_CONFIG)"
     $(info *** Build configuration changed: "$(PREVIOUS_BUILD_CONFIG)" -> "$(current_build_config)")
@@ -156,15 +184,27 @@ ifdef PREVIOUS_BUILD_CONFIG
     endif
   endif
 endif  # else, this is the first build, so no need to clean.
-PREVIOUS_BUILD_CONFIG :=
+
+ifdef PREVIOUS_SANITIZE_TARGET
+  ifneq "$(current_sanitize_target)" "$(PREVIOUS_SANITIZE_TARGET)"
+    $(info *** SANITIZE_TARGET changed: "$(PREVIOUS_SANITIZE_TARGET)" -> "$(current_sanitize_target)")
+    force_objclean := true
+  endif
+endif  # else, this is the first build, so no need to clean.
 
 # Write the new state to the file.
 #
+ifneq ($(PREVIOUS_BUILD_CONFIG)-$(PREVIOUS_SANITIZE_TARGET),$(current_build_config)-$(current_sanitize_target))
 $(shell \
   mkdir -p $(dir $(previous_build_config_file)) && \
   echo "PREVIOUS_BUILD_CONFIG := $(current_build_config)" > \
+      $(previous_build_config_file) && \
+  echo "PREVIOUS_SANITIZE_TARGET := $(current_sanitize_target)" >> \
       $(previous_build_config_file) \
  )
+endif
+PREVIOUS_BUILD_CONFIG :=
+PREVIOUS_SANITIZE_TARGET :=
 previous_build_config_file :=
 current_build_config :=
 
@@ -194,6 +234,7 @@ installclean_files := \
 	$(PRODUCT_OUT)/*.xlb \
 	$(PRODUCT_OUT)/*.zip \
 	$(PRODUCT_OUT)/kernel \
+	$(PRODUCT_OUT)/*.zip.md5sum \
 	$(PRODUCT_OUT)/data \
 	$(PRODUCT_OUT)/skin \
 	$(PRODUCT_OUT)/obj/APPS \
@@ -202,16 +243,19 @@ installclean_files := \
 	$(PRODUCT_OUT)/recovery \
 	$(PRODUCT_OUT)/root \
 	$(PRODUCT_OUT)/system \
+	$(PRODUCT_OUT)/system_other \
 	$(PRODUCT_OUT)/vendor \
 	$(PRODUCT_OUT)/oem \
 	$(PRODUCT_OUT)/dex_bootjars \
 	$(PRODUCT_OUT)/obj/JAVA_LIBRARIES \
 	$(PRODUCT_OUT)/obj/FAKE \
 	$(PRODUCT_OUT)/obj/EXECUTABLES/adbd_intermediates \
+	$(PRODUCT_OUT)/obj/EXECUTABLES/logd_intermediates \
 	$(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libfs_mgr_intermediates \
 	$(PRODUCT_OUT)/obj/EXECUTABLES/init_intermediates \
 	$(PRODUCT_OUT)/obj/ETC/mac_permissions.xml_intermediates \
 	$(PRODUCT_OUT)/obj/ETC/sepolicy_intermediates \
+	$(PRODUCT_OUT)/obj/ETC/sepolicy.recovery_intermediates \
 	$(PRODUCT_OUT)/obj/ETC/init.environ.rc_intermediates
 
 # The files/dirs to delete during a dataclean, which removes any files
@@ -221,6 +265,12 @@ dataclean_files := \
 	$(PRODUCT_OUT)/data-qemu/* \
 	$(PRODUCT_OUT)/userdata-qemu.img
 
+# The files/dirs to delete during an objclean, which removes any files
+# in the staging and emulator data partitions.
+objclean_files := \
+	$(TARGET_OUT_INTERMEDIATES) \
+	$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES)
+
 # make sure *_OUT is set so that we won't result in deleting random parts
 # of the filesystem.
 ifneq (2,$(words $(HOST_OUT) $(PRODUCT_OUT)))
@@ -240,6 +290,12 @@ installclean: dataclean
 	$(hide) rm -rf $(FILES)
 	@echo "Deleted images and staging directories."
 
+.PHONY: objclean
+objclean: FILES := $(objclean_files)
+objclean:
+	$(hide) rm -rf $(FILES)
+	@echo "Deleted images and staging directories."
+
 ifeq "$(force_installclean)" "true"
   $(info *** Forcing "make installclean"...)
   $(info *** rm -rf $(dataclean_files) $(installclean_files))
@@ -247,3 +303,31 @@ ifeq "$(force_installclean)" "true"
   $(info *** Done with the cleaning, now starting the real build.)
 endif
 force_installclean :=
+
+ifeq "$(force_objclean)" "true"
+  $(info *** Forcing cleanup of intermediate files...)
+  $(info *** rm -rf $(objclean_files))
+  $(shell rm -rf $(objclean_files))
+  $(info *** Done with the cleaning, now starting the real build.)
+endif
+force_objclean :=
+
+###########################################################
+
+.PHONY: clean-jack-files
+clean-jack-files: clean-dex-files
+	$(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f
+	$(hide) find $(OUT_DIR) -type d -name "jack" | xargs rm -rf
+	@echo "All jack files have been removed."
+
+.PHONY: clean-dex-files
+clean-dex-files:
+	$(hide) find $(OUT_DIR) -name "*.dex" ! -path "*/jack-incremental/*" | xargs rm -f
+	$(hide) for i in `find $(OUT_DIR) -name "*.jar" -o -name "*.apk"` ; do ((unzip -l $$i 2> /dev/null | \
+				grep -q "\.dex$$" && rm -f $$i) || continue ) ; done
+	@echo "All dex files and archives containing dex files have been removed."
+
+.PHONY: clean-jack-incremental
+clean-jack-incremental:
+	$(hide) find $(OUT_DIR) -name "jack-incremental" -type d | xargs rm -rf
+	@echo "All jack incremental dirs have been removed."
diff --git a/core/cleanspec.mk b/core/cleanspec.mk
index 500ce54f6..4441e2ac3 100644
--- a/core/cleanspec.mk
+++ b/core/cleanspec.mk
@@ -64,6 +64,6 @@ INTERNAL_CLEAN_BUILD_VERSION := 6
 # ************************************************
 
 subdir_cleanspecs := \
-    $(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git . CleanSpec.mk)
+    $(shell build/tools/findleaves.py $(FIND_LEAVES_EXCLUDES) . CleanSpec.mk)
 include $(subdir_cleanspecs)
 subdir_cleanspecs :=
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index bf81ebf12..09eddce0d 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -28,6 +28,7 @@ LOCAL_REQUIRED_MODULES:=
 LOCAL_ACP_UNAVAILABLE:=
 LOCAL_MODULE_TAGS:=
 LOCAL_SRC_FILES:=
+LOCAL_SRC_FILES_EXCLUDE:=
 LOCAL_PREBUILT_OBJ_FILES:=
 LOCAL_STATIC_JAVA_LIBRARIES:=
 LOCAL_STATIC_JAVA_AAR_LIBRARIES:=
@@ -47,11 +48,16 @@ LOCAL_YACCFLAGS:=
 LOCAL_ASFLAGS:=
 LOCAL_CFLAGS:=
 LOCAL_CPPFLAGS:=
+LOCAL_CLANG_ASFLAGS:=
+LOCAL_CLANG_CFLAGS:=
+LOCAL_CLANG_CONLYFLAGS:=
+LOCAL_CLANG_CPPFLAGS:=
 LOCAL_CONLYFLAGS:=
 LOCAL_RTTI_FLAG:=
 LOCAL_C_INCLUDES:=
 LOCAL_EXPORT_C_INCLUDE_DIRS:=
 LOCAL_LDFLAGS:=
+LOCAL_CLANG_LDFLAGS:=
 LOCAL_LDLIBS:=
 LOCAL_AAPT_FLAGS:=
 LOCAL_AAPT_INCLUDE_ALL_RESOURCES:=
@@ -68,6 +74,7 @@ LOCAL_JAVA_LIBRARIES:=
 LOCAL_JAVA_LAYERS_FILE:=
 LOCAL_NO_STANDARD_LIBRARIES:=
 LOCAL_CLASSPATH:=
+LOCAL_JACK_CLASSPATH:=
 LOCAL_DROIDDOC_USE_STANDARD_DOCLET:=
 LOCAL_DROIDDOC_SOURCE_PATH:=
 LOCAL_DROIDDOC_TEMPLATE_DIR:=
@@ -76,6 +83,7 @@ LOCAL_DROIDDOC_ASSET_DIR:=
 LOCAL_DROIDDOC_CUSTOM_ASSET_DIR:=
 LOCAL_DROIDDOC_OPTIONS:=
 LOCAL_DROIDDOC_HTML_DIR:=
+LOCAL_DROIDDOC_STUB_OUT_DIR:=
 LOCAL_ADDITIONAL_HTML_DIR:=
 LOCAL_ASSET_DIR:=
 LOCAL_RESOURCE_DIR:=
@@ -86,8 +94,8 @@ LOCAL_COPY_HEADERS_TO:=
 LOCAL_COPY_HEADERS:=
 LOCAL_FORCE_STATIC_EXECUTABLE:=
 LOCAL_ADDITIONAL_DEPENDENCIES:=
-LOCAL_COMPRESS_MODULE_SYMBOLS:=
 LOCAL_STRIP_MODULE:=
+LOCAL_PACK_MODULE_RELOCATIONS:=
 LOCAL_JNI_SHARED_LIBRARIES:=
 LOCAL_JNI_SHARED_LIBRARIES_ABI:=
 LOCAL_PREBUILT_JNI_LIBS:=
@@ -97,17 +105,26 @@ LOCAL_APK_LIBRARIES:=
 LOCAL_RES_LIBRARIES:=
 LOCAL_MANIFEST_INSTRUMENTATION_FOR:=
 LOCAL_AIDL_INCLUDES:=
+LOCAL_VTS_INCLUDES:=
+LOCAL_AIDL_FLAGS:=
 LOCAL_JARJAR_RULES:=
 LOCAL_ADDITIONAL_JAVA_DIR:=
 LOCAL_ALLOW_UNDEFINED_SYMBOLS:=
 LOCAL_DX_FLAGS:=
+LOCAL_JACK_ENABLED:=$(DEFAULT_JACK_ENABLED) # '' (ie disabled), disabled, full, incremental
+LOCAL_JACK_FLAGS:=
+LOCAL_JACK_COVERAGE_INCLUDE_FILTER:=
+LOCAL_JACK_COVERAGE_EXCLUDE_FILTER:=
+LOCAL_JILL_FLAGS:=
 LOCAL_CERTIFICATE:=
 LOCAL_SDK_VERSION:=
+LOCAL_MIN_SDK_VERSION:=
 LOCAL_SDK_RES_VERSION:=
 LOCAL_NDK_STL_VARIANT:=
 LOCAL_EMMA_INSTRUMENT:=
 LOCAL_PROGUARD_ENABLED:= # '',full,custom,nosystem,disabled,obfuscation,optimization
 LOCAL_PROGUARD_FLAGS:=
+LOCAL_JACK_PROGUARD_FLAGS:=
 LOCAL_PROGUARD_FLAG_FILES:=
 LOCAL_TEST_MODULE_TO_PROGUARD_WITH:=
 LOCAL_EMMA_COVERAGE_FILTER:=
@@ -120,34 +137,40 @@ LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE:=
 LOCAL_RENDERSCRIPT_CC:=
 LOCAL_RENDERSCRIPT_COMPATIBILITY:=
 LOCAL_RENDERSCRIPT_FLAGS:=
-LOCAL_RENDERSCRIPT_SKIP_INSTALL:=
 LOCAL_RENDERSCRIPT_TARGET_API:=
 LOCAL_DEX_PREOPT:= # '',true,false,nostripping
 LOCAL_DEX_PREOPT_IMAGE_LOCATION:=
 LOCAL_DEX_PREOPT_FLAGS:=
-LOCAL_PROTOC_OPTIMIZE_TYPE:= # lite(default),micro,nano,full
+LOCAL_PROTOC_OPTIMIZE_TYPE:= # lite(default),micro,nano,full,nanopb-c,nanopb-c-enable_malloc
 LOCAL_PROTOC_FLAGS:=
 LOCAL_PROTO_JAVA_OUTPUT_PARAMS:=
+LOCAL_VTSC_FLAGS:=
 LOCAL_NO_CRT:=
+LOCAL_NO_LIBGCC:=
 LOCAL_PROPRIETARY_MODULE:=
 LOCAL_OEM_MODULE:=
+LOCAL_ODM_MODULE:=
 LOCAL_PRIVILEGED_MODULE:=
 LOCAL_MODULE_OWNER:=
+LOCAL_COMPATIBILITY_SUITE:=
+LOCAL_COMPATIBILITY_SUPPORT_FILES:=
 LOCAL_CTS_TEST_PACKAGE:=
 LOCAL_CTS_TEST_RUNNER:=
 LOCAL_CLANG:=
-LOCAL_ADDRESS_SANITIZER:=
+LOCAL_SDCLANG:=
+LOCAL_SDCLANG_LTO:=
+LOCAL_SDCLANG_EXTRA_FLAGS_32:=
 LOCAL_JAR_EXCLUDE_FILES:=
 LOCAL_JAR_PACKAGES:=
 LOCAL_JAR_EXCLUDE_PACKAGES:=
-LOCAL_LINT_FLAGS:=
 LOCAL_SOURCE_FILES_ALL_GENERATED:= # '',true
 # Don't delete the META_INF dir when merging static Java libraries.
 LOCAL_DONT_DELETE_JAR_META_INF:=
+LOCAL_DONT_DELETE_JAR_DIRS:=
 LOCAL_ADDITIONAL_CERTIFICATES:=
 LOCAL_PREBUILT_MODULE_FILE:=
+LOCAL_POST_LINK_CMD:=
 LOCAL_POST_INSTALL_CMD:=
-LOCAL_DIST_BUNDLED_BINARIES:=
 LOCAL_HAL_STATIC_LIBRARIES:=
 LOCAL_RMTYPEDEFS:=
 LOCAL_NO_SYNTAX_CHECK:=
@@ -159,17 +182,47 @@ LOCAL_MODULE_TARGET_ARCH_WARN:=
 LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH:=
 LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH_WARN:=
 LOCAL_MODULE_HOST_ARCH:=
+LOCAL_MODULE_HOST_ARCH_WARN:=
+LOCAL_MODULE_UNSUPPORTED_HOST_ARCH:=
+LOCAL_MODULE_UNSUPPORTED_HOST_ARCH_WARN:=
+LOCAL_MODULE_HOST_CROSS_ARCH:=
+LOCAL_MODULE_HOST_CROSS_ARCH_WARN:=
+LOCAL_MODULE_UNSUPPORTED_HOST_CROSS_ARCH:=
+LOCAL_MODULE_UNSUPPORTED_HOST_CROSS_ARCH_WARN:=
+LOCAL_NO_FPIE :=
+LOCAL_CXX_STL := default
+LOCAL_NATIVE_COVERAGE :=
 LOCAL_DPI_VARIANTS:=
 LOCAL_DPI_FILE_STEM:=
+LOCAL_SANITIZE:=
+LOCAL_SANITIZE_RECOVER:=
+LOCAL_DATA_BINDING:=
+LOCAL_DBUS_PROXY_PREFIX:=
+LOCAL_INIT_RC:=
+LOCAL_MODULE_HOST_OS:=
+LOCAL_FINDBUGS_FLAGS:=
+LOCAL_NOTICE_FILE:=
+LOCAL_USE_AAPT2:=$(USE_AAPT2)
+LOCAL_STATIC_ANDROID_LIBRARIES:=
+LOCAL_SHARED_ANDROID_LIBRARIES:=
+# Used to replace the installed file of a presigned prebuilt apk in PDK fusion build,
+# to avoid installing the presigned apks with classes.dex unstripped.
+LOCAL_REPLACE_PREBUILT_APK_INSTALLED:=
+LOCAL_EXTRACT_APK:=
+LOCAL_EXTRACT_DPI_APK:=
 
 # arch specific variables
 LOCAL_SRC_FILES_$(TARGET_ARCH):=
+LOCAL_SRC_FILES_EXCLUDE_$(TARGET_ARCH):=
 LOCAL_CFLAGS_$(TARGET_ARCH):=
+LOCAL_CLANG_CFLAGS_$(TARGET_ARCH):=
 LOCAL_CPPFLAGS_$(TARGET_ARCH):=
+LOCAL_CLANG_CPPFLAGS_$(TARGET_ARCH):=
 LOCAL_C_INCLUDES_$(TARGET_ARCH):=
 LOCAL_ASFLAGS_$(TARGET_ARCH):=
-LOCAL_NO_CRT_$(TARGET_ARCH):=
+LOCAL_CLANG_ASFLAGS_$(TARGET_ARCH):=
 LOCAL_LDFLAGS_$(TARGET_ARCH):=
+LOCAL_CLANG_LDFLAGS_$(TARGET_ARCH):=
 LOCAL_SHARED_LIBRARIES_$(TARGET_ARCH):=
 LOCAL_STATIC_LIBRARIES_$(TARGET_ARCH):=
 LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_ARCH):=
@@ -177,14 +230,20 @@ LOCAL_GENERATED_SOURCES_$(TARGET_ARCH):=
 LOCAL_REQUIRED_MODULES_$(TARGET_ARCH):=
 LOCAL_CLANG_$(TARGET_ARCH):=
 LOCAL_PREBUILT_JNI_LIBS_$(TARGET_ARCH):=
+LOCAL_STRIP_MODULE_$(TARGET_ARCH):=
+LOCAL_PACK_MODULE_RELOCATIONS_$(TARGET_ARCH):=
 ifdef TARGET_2ND_ARCH
 LOCAL_SRC_FILES_$(TARGET_2ND_ARCH):=
+LOCAL_SRC_FILES_EXCLUDE_$(TARGET_2ND_ARCH):=
 LOCAL_CFLAGS_$(TARGET_2ND_ARCH):=
+LOCAL_CLANG_CFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_CPPFLAGS_$(TARGET_2ND_ARCH):=
+LOCAL_CLANG_CPPFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_C_INCLUDES_$(TARGET_2ND_ARCH):=
 LOCAL_ASFLAGS_$(TARGET_2ND_ARCH):=
-LOCAL_NO_CRT_$(TARGET_2ND_ARCH):=
+LOCAL_CLANG_ASFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_LDFLAGS_$(TARGET_2ND_ARCH):=
+LOCAL_CLANG_LDFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_SHARED_LIBRARIES_$(TARGET_2ND_ARCH):=
 LOCAL_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
 LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
@@ -192,14 +251,20 @@ LOCAL_GENERATED_SOURCES_$(TARGET_2ND_ARCH):=
 LOCAL_REQUIRED_MODULES_$(TARGET_2ND_ARCH):=
 LOCAL_CLANG_$(TARGET_2ND_ARCH):=
 LOCAL_PREBUILT_JNI_LIBS_$(TARGET_2ND_ARCH):=
+LOCAL_STRIP_MODULE_$(TARGET_2ND_ARCH):=
+LOCAL_PACK_MODULE_RELOCATIONS_$(TARGET_2ND_ARCH):=
 endif
 LOCAL_SRC_FILES_$(HOST_ARCH):=
+LOCAL_SRC_FILES_EXCLUDE_$(HOST_ARCH):=
 LOCAL_CFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_CFLAGS_$(HOST_ARCH):=
 LOCAL_CPPFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_CPPFLAGS_$(HOST_ARCH):=
 LOCAL_C_INCLUDES_$(HOST_ARCH):=
 LOCAL_ASFLAGS_$(HOST_ARCH):=
-LOCAL_NO_CRT_$(HOST_ARCH):=
+LOCAL_CLANG_ASFLAGS_$(HOST_ARCH):=
 LOCAL_LDFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_LDFLAGS_$(HOST_ARCH):=
 LOCAL_SHARED_LIBRARIES_$(HOST_ARCH):=
 LOCAL_STATIC_LIBRARIES_$(HOST_ARCH):=
 LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_ARCH):=
@@ -208,12 +273,16 @@ LOCAL_REQUIRED_MODULES_$(HOST_ARCH):=
 LOCAL_CLANG_$(HOST_ARCH):=
 ifdef HOST_2ND_ARCH
 LOCAL_SRC_FILES_$(HOST_2ND_ARCH):=
+LOCAL_SRC_FILES_EXCLUDE_$(HOST_2ND_ARCH):=
 LOCAL_CFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_CFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_CPPFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_CPPFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_C_INCLUDES_$(HOST_2ND_ARCH):=
 LOCAL_ASFLAGS_$(HOST_2ND_ARCH):=
-LOCAL_NO_CRT_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_ASFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_LDFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_LDFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_SHARED_LIBRARIES_$(HOST_2ND_ARCH):=
 LOCAL_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=
 LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=
@@ -222,8 +291,47 @@ LOCAL_REQUIRED_MODULES_$(HOST_2ND_ARCH):=
 LOCAL_CLANG_$(HOST_2ND_ARCH):=
 endif
 
+LOCAL_SRC_FILES_$(HOST_OS):=
+LOCAL_STATIC_LIBRARIES_$(HOST_OS):=
+LOCAL_SHARED_LIBRARIES_$(HOST_OS):=
+LOCAL_CFLAGS_$(HOST_OS):=
+LOCAL_CPPFLAGS_$(HOST_OS):=
+LOCAL_LDFLAGS_$(HOST_OS):=
+LOCAL_LDLIBS_$(HOST_OS):=
+LOCAL_ASFLAGS_$(HOST_OS):=
+LOCAL_C_INCLUDES_$(HOST_OS):=
+LOCAL_GENERATED_SOURCES_$(HOST_OS):=
+LOCAL_REQUIRED_MODULES_$(HOST_OS):=
+
+ifdef HOST_CROSS_OS
+LOCAL_SRC_FILES_$(HOST_CROSS_OS):=
+LOCAL_STATIC_LIBRARIES_$(HOST_CROSS_OS):=
+LOCAL_SHARED_LIBRARIES_$(HOST_CROSS_OS):=
+LOCAL_CFLAGS_$(HOST_CROSS_OS):=
+LOCAL_CPPFLAGS_$(HOST_CROSS_OS):=
+LOCAL_LDFLAGS_$(HOST_CROSS_OS):=
+LOCAL_LDLIBS_$(HOST_CROSS_OS):=
+LOCAL_ASFLAGS_$(HOST_CROSS_OS):=
+LOCAL_C_INCLUDES_$(HOST_CROSS_OS):=
+LOCAL_GENERATED_SOURCES_$(HOST_CROSS_OS):=
+LOCAL_REQUIRED_MODULES_$(HOST_CROSS_OS):=
+endif
+
+LOCAL_SRC_FILES_$(HOST_OS)_$(HOST_ARCH):=
+ifdef HOST_2ND_ARCH
+LOCAL_SRC_FILES_$(HOST_OS)_$(HOST_2ND_ARCH):=
+endif
+ifdef HOST_CROSS_OS
+LOCAL_SRC_FILES_$(HOST_CROSS_OS)_$(HOST_CROSS_ARCH):=
+ifdef HOST_CROSS_2ND_ARCH
+LOCAL_SRC_FILES_$(HOST_CROSS_OS)_$(HOST_CROSS_2ND_ARCH):=
+endif
+endif
+
 LOCAL_SRC_FILES_32:=
 LOCAL_SRC_FILES_64:=
+LOCAL_SRC_FILES_EXCLUDE_32:=
+LOCAL_SRC_FILES_EXCLUDE_64:=
 LOCAL_SHARED_LIBRARIES_32:=
 LOCAL_SHARED_LIBRARIES_64:=
 LOCAL_STATIC_LIBRARIES_32:=
@@ -240,6 +348,14 @@ LOCAL_LDFLAGS_32:=
 LOCAL_LDFLAGS_64:=
 LOCAL_ASFLAGS_32:=
 LOCAL_ASFLAGS_64:=
+LOCAL_CLANG_CFLAGS_32:=
+LOCAL_CLANG_CFLAGS_64:=
+LOCAL_CLANG_CPPFLAGS_32:=
+LOCAL_CLANG_CPPFLAGS_64:=
+LOCAL_CLANG_LDFLAGS_32:=
+LOCAL_CLANG_LDFLAGS_64:=
+LOCAL_CLANG_ASFLAGS_32:=
+LOCAL_CLANG_ASFLAGS_64:=
 LOCAL_C_INCLUDES_32:=
 LOCAL_C_INCLUDES_64:=
 LOCAL_MODULE_PATH_32:=
@@ -248,6 +364,16 @@ LOCAL_MODULE_STEM_32:=
 LOCAL_MODULE_STEM_64:=
 LOCAL_CLANG_32:=
 LOCAL_CLANG_64:=
+LOCAL_INIT_RC_32:=
+LOCAL_INIT_RC_64:=
+LOCAL_JAVA_LANGUAGE_VERSION:=
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY:=
+LOCAL_RRO_THEME:=
+
+LOCAL_PROTOC_OUTPUT:=
+
+# Include any vendor specific clear_vars.mk file
+-include $(TOPDIR)vendor/*/build/core/clear_vars.mk
 
 # Trim MAKEFILE_LIST so that $(call my-dir) doesn't need to
 # iterate over thousands of entries every time.
diff --git a/core/combo/HOST_CROSS_windows-x86.mk b/core/combo/HOST_CROSS_windows-x86.mk
new file mode 100644
index 000000000..6180a265a
--- /dev/null
+++ b/core/combo/HOST_CROSS_windows-x86.mk
@@ -0,0 +1,65 @@
+#
+# Copyright (C) 2006 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Settings to use MinGW as a cross-compiler under Linux
+# Included by combo/select.make
+
+$(combo_var_prefix)GLOBAL_CFLAGS += -DUSE_MINGW -DWIN32_LEAN_AND_MEAN
+$(combo_var_prefix)GLOBAL_CFLAGS += -Wno-unused-parameter
+$(combo_var_prefix)GLOBAL_CFLAGS += --sysroot prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32
+$(combo_var_prefix)GLOBAL_CFLAGS += -m32
+$(combo_var_prefix)GLOBAL_LDFLAGS += -m32
+TOOLS_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/bin/x86_64-w64-mingw32-
+$(combo_var_prefix)C_INCLUDES += prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32/include
+$(combo_var_prefix)C_INCLUDES += prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/lib/gcc/x86_64-w64-mingw32/4.8.3/include
+$(combo_var_prefix)GLOBAL_LD_DIRS += -Lprebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32/lib32
+
+# Workaround differences in inttypes.h between host and target.
+# See bug 12708004.
+$(combo_var_prefix)GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
+# Use C99-compliant printf functions (%zd).
+$(combo_var_prefix)GLOBAL_CFLAGS += -D__USE_MINGW_ANSI_STDIO=1
+# Admit to using >= Vista. Both are needed because of <_mingw.h>.
+$(combo_var_prefix)GLOBAL_CFLAGS += -D_WIN32_WINNT=0x0600 -DWINVER=0x0600
+# Get 64-bit off_t and related functions.
+$(combo_var_prefix)GLOBAL_CFLAGS += -D_FILE_OFFSET_BITS=64
+
+$(combo_var_prefix)CC := $(TOOLS_PREFIX)gcc
+$(combo_var_prefix)CXX := $(TOOLS_PREFIX)g++
+$(combo_var_prefix)AR := $(TOOLS_PREFIX)ar
+$(combo_var_prefix)NM := $(TOOLS_PREFIX)nm
+$(combo_var_prefix)OBJDUMP := $(TOOLS_PREFIX)objdump
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(hide) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OBJDUMP) -x $(1) | grep "^Name" | cut -f3 -d" " > $(2)
+$(hide) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)NM) -g -f p $(1) | cut -f1-2 -d" " >> $(2)
+endef
+
+$(combo_var_prefix)GLOBAL_LDFLAGS += \
+    --enable-stdcall-fixup
+
+ifneq ($(strip $(BUILD_HOST_static)),)
+# Statically-linked binaries are desirable for sandboxed environment
+$(combo_var_prefix)GLOBAL_LDFLAGS += -static
+endif # BUILD_HOST_static
+
+$(combo_var_prefix)SHLIB_SUFFIX := .dll
+$(combo_var_prefix)EXECUTABLE_SUFFIX := .exe
+
+$(combo_var_prefix)IS_64_BIT :=
+
+# The mingw gcc is 4.8, 4.9 is required for color diagnostics
+$(combo_var_prefix)UNKNOWN_CFLAGS := -fdiagnostics-color
diff --git a/core/combo/HOST_CROSS_windows-x86_64.mk b/core/combo/HOST_CROSS_windows-x86_64.mk
new file mode 100644
index 000000000..e9b19cf95
--- /dev/null
+++ b/core/combo/HOST_CROSS_windows-x86_64.mk
@@ -0,0 +1,65 @@
+#
+# Copyright (C) 2006 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Settings to use MinGW as a cross-compiler under Linux
+# Included by combo/select.make
+
+$(combo_var_prefix)GLOBAL_CFLAGS += -DUSE_MINGW -DWIN32_LEAN_AND_MEAN
+$(combo_var_prefix)GLOBAL_CFLAGS += -Wno-unused-parameter
+$(combo_var_prefix)GLOBAL_CFLAGS += --sysroot prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32
+$(combo_var_prefix)GLOBAL_CFLAGS += -m64
+$(combo_var_prefix)GLOBAL_LDFLAGS += -m64
+TOOLS_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/bin/x86_64-w64-mingw32-
+$(combo_var_prefix)C_INCLUDES += prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32/include
+$(combo_var_prefix)C_INCLUDES += prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/lib/gcc/x86_64-w64-mingw32/4.8.3/include
+$(combo_var_prefix)GLOBAL_LD_DIRS += -Lprebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32/lib64
+
+# Workaround differences in inttypes.h between host and target.
+# See bug 12708004.
+$(combo_var_prefix)GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
+# Use C99-compliant printf functions (%zd).
+$(combo_var_prefix)GLOBAL_CFLAGS += -D__USE_MINGW_ANSI_STDIO=1
+# Admit to using >= Vista. Both are needed because of <_mingw.h>.
+$(combo_var_prefix)GLOBAL_CFLAGS += -D_WIN32_WINNT=0x0600 -DWINVER=0x0600
+# Get 64-bit off_t and related functions.
+$(combo_var_prefix)GLOBAL_CFLAGS += -D_FILE_OFFSET_BITS=64
+
+$(combo_var_prefix)CC := $(TOOLS_PREFIX)gcc
+$(combo_var_prefix)CXX := $(TOOLS_PREFIX)g++
+$(combo_var_prefix)AR := $(TOOLS_PREFIX)ar
+$(combo_var_prefix)NM := $(TOOLS_PREFIX)nm
+$(combo_var_prefix)OBJDUMP := $(TOOLS_PREFIX)objdump
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(hide) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OBJDUMP) -x $(1) | grep "^Name" | cut -f3 -d" " > $(2)
+$(hide) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)NM) -g -f p $(1) | cut -f1-2 -d" " >> $(2)
+endef
+
+$(combo_var_prefix)GLOBAL_LDFLAGS += \
+    --enable-stdcall-fixup
+
+ifneq ($(strip $(BUILD_HOST_static)),)
+# Statically-linked binaries are desirable for sandboxed environment
+$(combo_var_prefix)GLOBAL_LDFLAGS += -static
+endif # BUILD_HOST_static
+
+$(combo_var_prefix)SHLIB_SUFFIX := .dll
+$(combo_var_prefix)EXECUTABLE_SUFFIX := .exe
+
+$(combo_var_prefix)IS_64_BIT := true
+
+# The mingw gcc is 4.8, 4.9 is required for color diagnostics
+$(combo_var_prefix)UNKNOWN_CFLAGS := -fdiagnostics-color
diff --git a/core/combo/HOST_darwin-x86.mk b/core/combo/HOST_darwin-x86.mk
index ec379936f..4ba05ce31 100644
--- a/core/combo/HOST_darwin-x86.mk
+++ b/core/combo/HOST_darwin-x86.mk
@@ -33,19 +33,12 @@ include $(BUILD_COMBOS)/mac_version.mk
 
 $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_ROOT := prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1
 $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_ROOT)/bin/i686-apple-darwin$(gcc_darwin_version)
-# Don't do anything if the toolchain is not there
-ifneq (,$(strip $(wildcard $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)-gcc)))
 $(combo_2nd_arch_prefix)HOST_CC  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)-gcc
 $(combo_2nd_arch_prefix)HOST_CXX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)-g++
-ifneq ($(filter 10.8 10.9, $(mac_sdk_version)),)
-# Mac SDK 10.8+ no longer has stdarg.h, etc
-host_toolchain_header := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_ROOT)/lib/gcc/i686-apple-darwin$(gcc_darwin_version)/4.2.1/include
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -isystem $(host_toolchain_header)
-endif
-else
-$(combo_2nd_arch_prefix)HOST_CC := gcc
-$(combo_2nd_arch_prefix)HOST_CXX := g++
-endif # $(HOST_TOOLCHAIN_PREFIX)-gcc exists
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_macho,$(1),$(2))
+endef
 
 # gcc location for clang; to be updated when clang is updated
 # HOST_TOOLCHAIN_ROOT is a Darwin-specific define
@@ -54,6 +47,13 @@ $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := $($(combo_2nd_arch_prefix)HO
 $(combo_2nd_arch_prefix)HOST_AR := $(AR)
 
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -isysroot $(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version) -DMACOSX_DEPLOYMENT_TARGET=$(mac_sdk_version)
+ifeq (,$(wildcard $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1))
+# libc++ header locations for XCode CLT 7.1+
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CPPFLAGS += -isystem $(mac_sdk_path)/usr/include/c++/v1
+else
+# libc++ header locations for pre-XCode CLT 7.1+
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CPPFLAGS += -isystem $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1
+endif
 $(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -isysroot $(mac_sdk_root) -Wl,-syslibroot,$(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version)
 
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -fPIC -funwind-tables
@@ -62,16 +62,6 @@ $(combo_2nd_arch_prefix)HOST_NO_UNDEFINED_LDFLAGS := -Wl,-undefined,error
 $(combo_2nd_arch_prefix)HOST_SHLIB_SUFFIX := .dylib
 $(combo_2nd_arch_prefix)HOST_JNILIB_SUFFIX := .jnilib
 
-# TODO: add AndroidConfig.h for darwin-x86_64
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += \
-    -include $(call select-android-config-h,darwin-x86)
-
-ifneq ($(filter 10.7 10.7.% 10.8 10.8.%, $(build_mac_version)),)
-       $(combo_2nd_arch_prefix)HOST_RUN_RANLIB_AFTER_COPYING := false
-else
-       $(combo_2nd_arch_prefix)HOST_RUN_RANLIB_AFTER_COPYING := true
-       PRE_LION_DYNAMIC_LINKER_OPTIONS := -Wl,-dynamic
-endif
 $(combo_2nd_arch_prefix)HOST_GLOBAL_ARFLAGS := cqs
 
 ############################################################
@@ -94,14 +84,16 @@ $(hide) $(PRIVATE_CXX) \
         -o $@ \
         -install_name @rpath/$(notdir $@) \
         -Wl,-rpath,@loader_path/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
+        -Wl,-rpath,@loader_path/$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
         $(PRIVATE_LDFLAGS)
 endef
 
 define transform-host-o-to-executable-inner
 $(hide) $(PRIVATE_CXX) \
         -Wl,-rpath,@loader_path/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
+        -Wl,-rpath,@loader_path/$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
         -o $@ \
-        $(PRE_LION_DYNAMIC_LINKER_OPTIONS) -Wl,-headerpad_max_install_names \
+        -Wl,-headerpad_max_install_names \
         $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_LD_DIRS) \
         $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
            $(PRIVATE_HOST_GLOBAL_LDFLAGS) \
@@ -116,5 +108,10 @@ endef
 
 # $(1): The file to check
 define get-file-size
-stat -f "%z" $(1)
+GSTAT=$(which gstat) ; \
+if [ ! -z "$GSTAT" ]; then \
+gstat -c "%s" $(1) ; \
+else \
+stat -f "%z" $(1) ; \
+fi
 endef
diff --git a/core/combo/HOST_darwin-x86_64.mk b/core/combo/HOST_darwin-x86_64.mk
index a776a6997..ba984d235 100644
--- a/core/combo/HOST_darwin-x86_64.mk
+++ b/core/combo/HOST_darwin-x86_64.mk
@@ -33,19 +33,12 @@ include $(BUILD_COMBOS)/mac_version.mk
 
 HOST_TOOLCHAIN_ROOT := prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1
 HOST_TOOLCHAIN_PREFIX := $(HOST_TOOLCHAIN_ROOT)/bin/i686-apple-darwin$(gcc_darwin_version)
-# Don't do anything if the toolchain is not there
-ifneq (,$(strip $(wildcard $(HOST_TOOLCHAIN_PREFIX)-gcc)))
 HOST_CC  := $(HOST_TOOLCHAIN_PREFIX)-gcc
 HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)-g++
-ifneq ($(filter 10.8 10.9, $(mac_sdk_version)),)
-# Mac SDK 10.8+ no longer has stdarg.h, etc
-host_toolchain_header := $(HOST_TOOLCHAIN_ROOT)/lib/gcc/i686-apple-darwin$(gcc_darwin_version)/4.2.1/include
-HOST_GLOBAL_CFLAGS += -isystem $(host_toolchain_header)
-endif
-else
-HOST_CC := gcc
-HOST_CXX := g++
-endif # $(HOST_TOOLCHAIN_PREFIX)-gcc exists
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_macho,$(1),$(2))
+endef
 
 # gcc location for clang; to be updated when clang is updated
 # HOST_TOOLCHAIN_ROOT is a Darwin-specific define
@@ -54,6 +47,13 @@ HOST_TOOLCHAIN_FOR_CLANG := $(HOST_TOOLCHAIN_ROOT)
 HOST_AR := $(AR)
 
 HOST_GLOBAL_CFLAGS += -isysroot $(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version) -DMACOSX_DEPLOYMENT_TARGET=$(mac_sdk_version)
+ifeq (,$(wildcard $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1))
+# libc++ header locations for XCode CLT 7.1+
+HOST_GLOBAL_CPPFLAGS += -isystem $(mac_sdk_path)/usr/include/c++/v1
+else
+# libc++ header locations for pre-XCode CLT 7.1+
+HOST_GLOBAL_CPPFLAGS += -isystem $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1
+endif
 HOST_GLOBAL_LDFLAGS += -isysroot $(mac_sdk_root) -Wl,-syslibroot,$(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version)
 
 HOST_GLOBAL_CFLAGS += -fPIC -funwind-tables
@@ -62,14 +62,6 @@ HOST_NO_UNDEFINED_LDFLAGS := -Wl,-undefined,error
 HOST_SHLIB_SUFFIX := .dylib
 HOST_JNILIB_SUFFIX := .jnilib
 
-HOST_GLOBAL_CFLAGS += \
-    -include $(call select-android-config-h,darwin-x86)
-
-ifneq ($(filter 10.7 10.7.% 10.8 10.8.%, $(build_mac_version)),)
-       HOST_RUN_RANLIB_AFTER_COPYING := false
-else
-       HOST_RUN_RANLIB_AFTER_COPYING := true
-endif
 HOST_GLOBAL_ARFLAGS := cqs
 
 # We Reuse the following functions with the same name from HOST_darwin-x86.mk:
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index 3ca7443e7..169e2d244 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -18,21 +18,24 @@
 # Included by combo/select.mk
 
 ifeq ($(strip $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)),)
-$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/bin/x86_64-linux-
+$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux-
 endif
-# Don't do anything if the toolchain is not there
-ifneq (,$(strip $(wildcard $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)gcc)))
 $(combo_2nd_arch_prefix)HOST_CC  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)gcc
 $(combo_2nd_arch_prefix)HOST_CXX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)g++
 $(combo_2nd_arch_prefix)HOST_AR  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)ar
-endif # $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)gcc exists
+$(combo_2nd_arch_prefix)HOST_READELF  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)readelf
+$(combo_2nd_arch_prefix)HOST_NM  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 # gcc location for clang; to be updated when clang is updated
-$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/
+$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8
 
 # We expect SSE3 floating point math.
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott
-$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott
+$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--no-undefined-version
 
 ifneq ($(strip $(BUILD_HOST_static)),)
 # Statically-linked binaries are desirable for sandboxed environment
@@ -41,17 +44,18 @@ endif # BUILD_HOST_static
 
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -fPIC \
   -no-canonical-prefixes \
-  -include $(call select-android-config-h,linux-x86)
 
-# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector
 
 # Workaround differences in inttypes.h between host and target.
 # See bug 12708004.
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
 
-$(combo_2nd_arch_prefix)HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
+# We build a 32-bit host art, and right now that also means building *all* host libraries
+# both 32- and 64-bit (whether art uses them or not --- 9d59f417767991246848c3e101cb27d2dfea5988).
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1
 
+$(combo_2nd_arch_prefix)HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
 ############################################################
 ## Macros after this line are shared by the 64-bit config.
diff --git a/core/combo/HOST_linux-x86_64.mk b/core/combo/HOST_linux-x86_64.mk
index 53a3ae8c2..9766f2bde 100644
--- a/core/combo/HOST_linux-x86_64.mk
+++ b/core/combo/HOST_linux-x86_64.mk
@@ -18,33 +18,33 @@
 # Included by combo/select.mk
 
 ifeq ($(strip $(HOST_TOOLCHAIN_PREFIX)),)
-HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/bin/x86_64-linux-
+HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux-
 endif
-# Don't do anything if the toolchain is not there
-ifneq (,$(strip $(wildcard $(HOST_TOOLCHAIN_PREFIX)gcc)))
 HOST_CC  := $(HOST_TOOLCHAIN_PREFIX)gcc
 HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)g++
 HOST_AR  := $(HOST_TOOLCHAIN_PREFIX)ar
-endif # $(HOST_TOOLCHAIN_PREFIX)gcc exists
+HOST_READELF  := $(HOST_TOOLCHAIN_PREFIX)readelf
+HOST_NM  := $(HOST_TOOLCHAIN_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 # gcc location for clang; to be updated when clang is updated
-HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/
+HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8
 
 HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack
-HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack
+HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--no-undefined-version
 
 ifneq ($(strip $(BUILD_HOST_static)),)
 # Statically-linked binaries are desirable for sandboxed environment
 HOST_GLOBAL_LDFLAGS += -static
 endif # BUILD_HOST_static
 
-# TODO: Add AndroidConfig.h for linux-x86_64
 HOST_GLOBAL_CFLAGS += -fPIC \
   -no-canonical-prefixes \
-  -include $(call select-android-config-h,linux-x86)
 
-# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
-HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
+HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector
 
 # Workaround differences in inttypes.h between host and target.
 # See bug 12708004.
diff --git a/core/combo/HOST_windows-x86.mk b/core/combo/HOST_windows-x86.mk
deleted file mode 100644
index 00e19742b..000000000
--- a/core/combo/HOST_windows-x86.mk
+++ /dev/null
@@ -1,86 +0,0 @@
-#
-# Copyright (C) 2006 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# Configuration for Linux on x86.
-# Included by combo/select.make
-
-# right now we get these from the environment, but we should
-# pick them from the tree somewhere
-TOOLS_PREFIX := #prebuilt/windows/host/bin/
-TOOLS_EXE_SUFFIX := .exe
-
-# Settings to use MinGW has a cross-compiler under Linux
-ifneq ($(findstring Linux,$(UNAME)),)
-ifneq ($(strip $(USE_MINGW)),)
-HOST_ACP_UNAVAILABLE := true
-TOOLS_EXE_SUFFIX :=
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -DUSE_MINGW -DWIN32_LEAN_AND_MEAN
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -Wno-unused-parameter
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += --sysroot=prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -m32
-$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32
-TOOLS_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/bin/x86_64-w64-mingw32-
-$(combo_2nd_arch_prefix)HOST_C_INCLUDES += prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32/include
-$(combo_2nd_arch_prefix)HOST_C_INCLUDES += prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/lib/gcc/x86_64-w64-mingw32/4.8.3/include
-$(combo_2nd_arch_prefix)HOST_GLOBAL_LD_DIRS += -Lprebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/x86_64-w64-mingw32/lib32
-endif # USE_MINGW
-endif # Linux
-
-# Workaround differences in inttypes.h between host and target.
-# See bug 12708004.
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS -D__USE_MINGW_ANSI_STDIO
-
-$(combo_2nd_arch_prefix)HOST_CC := $(TOOLS_PREFIX)gcc$(TOOLS_EXE_SUFFIX)
-$(combo_2nd_arch_prefix)HOST_CXX := $(TOOLS_PREFIX)g++$(TOOLS_EXE_SUFFIX)
-$(combo_2nd_arch_prefix)HOST_AR := $(TOOLS_PREFIX)ar$(TOOLS_EXE_SUFFIX)
-
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += \
-    -include $(call select-android-config-h,windows)
-$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += \
-    --enable-stdcall-fixup
-
-ifneq ($(strip $(BUILD_HOST_static)),)
-# Statically-linked binaries are desirable for sandboxed environment
-$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -static
-endif # BUILD_HOST_static
-
-# when building under Cygwin, ensure that we use Mingw compilation by default.
-# you can disable this (i.e. to generate Cygwin executables) by defining the
-# USE_CYGWIN variable in your environment, e.g.:
-#
-#   export USE_CYGWIN=1
-#
-# note that the -mno-cygwin flags are not needed when cross-compiling the
-# Windows host tools on Linux
-#
-ifneq ($(findstring CYGWIN,$(UNAME)),)
-ifeq ($(strip $(USE_CYGWIN)),)
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -mno-cygwin
-$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -mno-cygwin -mconsole
-endif
-endif
-
-############################################################
-## Macros after this line are shared by the 64-bit config.
-
-HOST_SHLIB_SUFFIX := .dll
-HOST_EXECUTABLE_SUFFIX := .exe
-
-# $(1): The file to check
-# TODO: find out what format cygwin's stat(1) uses
-define get-file-size
-999999999
-endef
diff --git a/core/combo/HOST_windows-x86_64.mk b/core/combo/HOST_windows-x86_64.mk
deleted file mode 100644
index c77d82caa..000000000
--- a/core/combo/HOST_windows-x86_64.mk
+++ /dev/null
@@ -1,66 +0,0 @@
-#
-# Copyright (C) 2006 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# Configuration for Windows on x86_64.
-# Included by combo/select.make
-
-# right now we get these from the environment, but we should
-# pick them from the tree somewhere
-TOOLS_PREFIX := #prebuilt/windows/host/bin/
-TOOLS_EXE_SUFFIX := .exe
-
-# Settings to use MinGW has a cross-compiler under Linux
-ifneq ($(findstring Linux,$(UNAME)),)
-ifneq ($(strip $(USE_MINGW)),)
-HOST_ACP_UNAVAILABLE := true
-TOOLS_EXE_SUFFIX :=
-HOST_GLOBAL_CFLAGS += -DUSE_MINGW
-TOOLS_PREFIX := /usr/bin/amd64-mingw32msvc-
-HOST_C_INCLUDES += /usr/lib/gcc/amd64-mingw32msvc/4.4.2/include
-HOST_GLOBAL_LD_DIRS += -L/usr/amd64-mingw32msvc/lib
-endif # USE_MINGW
-endif # Linux
-
-# Workaround differences in inttypes.h between host and target.
-# See bug 12708004.
-HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS -D__USE_MINGW_ANSI_STDIO
-
-HOST_CC := $(TOOLS_PREFIX)gcc$(TOOLS_EXE_SUFFIX)
-HOST_CXX := $(TOOLS_PREFIX)g++$(TOOLS_EXE_SUFFIX)
-HOST_AR := $(TOOLS_PREFIX)ar$(TOOLS_EXE_SUFFIX)
-
-HOST_GLOBAL_CFLAGS += -include $(call select-android-config-h,windows)
-HOST_GLOBAL_LDFLAGS += --enable-stdcall-fixup
-ifneq ($(strip $(BUILD_HOST_static)),)
-# Statically-linked binaries are desirable for sandboxed environment
-HOST_GLOBAL_LDFLAGS += -static
-endif # BUILD_HOST_static
-
-# when building under Cygwin, ensure that we use Mingw compilation by default.
-# you can disable this (i.e. to generate Cygwin executables) by defining the
-# USE_CYGWIN variable in your environment, e.g.:
-#
-#   export USE_CYGWIN=1
-#
-# note that the -mno-cygwin flags are not needed when cross-compiling the
-# Windows host tools on Linux
-#
-ifneq ($(findstring CYGWIN,$(UNAME)),)
-ifeq ($(strip $(USE_CYGWIN)),)
-HOST_GLOBAL_CFLAGS += -mno-cygwin
-HOST_GLOBAL_LDFLAGS += -mno-cygwin -mconsole
-endif
-endif
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index df81cd52a..510aae52f 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -20,8 +20,7 @@
 # You can set TARGET_ARCH_VARIANT to use an arch version other
 # than ARMv5TE. Each value should correspond to a file named
 # $(BUILD_COMBOS)/arch/<name>.mk which must contain
-# makefile variable definitions similar to the preprocessor
-# defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
+# makefile variable definitions. Their
 # purpose is to allow module Android.mk files to selectively compile
 # different versions of code based upon the funtionality and
 # instructions available in a given architecture version.
@@ -35,10 +34,10 @@ TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := armv5te
 endif
 
 # Decouple NDK library selection with platform compiler version
-$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
 else
 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -57,13 +56,18 @@ $(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_T
 $(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/arm-linux-androideabi-
 endif
 
-$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc
+$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++
+$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar
+$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy
+$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld
+$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf
+$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip
+$(combo_2nd_arch_prefix)TARGET_NM := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 $(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
@@ -92,14 +96,12 @@ ifeq ($(FORCE_ARM_DEBUGGING),true)
   $(combo_2nd_arch_prefix)TARGET_thumb_CFLAGS += -marm -fno-omit-frame-pointer
 endif
 
-android_config_h := $(call select-android-config-h,linux-arm)
-
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
 			-msoft-float \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
-			-fstack-protector \
+			-fstack-protector-strong \
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
@@ -107,14 +109,12 @@ $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
-			-include $(android_config_h) \
-			-I $(dir $(android_config_h))
 
 # The "-Wunused-but-set-variable" option often breaks projects that enable
 # "-Wall -Werror" due to a commom idiom "ALOGV(mesg)" where ALOGV is turned
 # into no-op in some builds while mesg is defined earlier. So we explicitly
 # disable "-Wunused-but-set-variable" here.
-ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8, $($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)),)
+ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8 4.9, $($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)),)
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -fno-builtin-sin \
 			-fno-strict-volatile-bitfields
 endif
@@ -133,9 +133,12 @@ $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += \
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,--icf=safe \
+			-Wl,--hash-style=gnu \
+			-Wl,--no-undefined-version \
 			$(arch_variant_ldflags)
 
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mthumb-interwork
@@ -153,7 +156,6 @@ $(combo_2nd_arch_prefix)TARGET_RELEASE_CFLAGS := \
 
 libc_root := bionic/libc
 libm_root := bionic/libm
-libstdc++_root := bionic/libstdc++
 
 
 ## on some hosts, the target cross-compiler is not available so do not run this command
@@ -165,16 +167,18 @@ $(combo_2nd_arch_prefix)TARGET_LIBGCC := $(shell $($(combo_2nd_arch_prefix)TARGE
         $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-libgcc-file-name)
 $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) \
         $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a)
+$(combo_2nd_arch_prefix)TARGET_LIBGCOV := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) \
+        $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libgcov.a)
 endif
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
+KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-$(TARGET_$(combo_2nd_arch_prefix)ARCH)
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 
 $(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \
 	$(libc_root)/arch-arm/include \
 	$(libc_root)/include \
-	$(libstdc++_root)/include \
 	$(KERNEL_HEADERS) \
 	$(libm_root)/include \
 	$(libm_root)/include/arm \
@@ -186,81 +190,6 @@ $(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_
 $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
 $(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
 
-$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true
-
-$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
+$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true
 
-$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
-
-define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 07d398449..6a1d8619f 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -20,8 +20,7 @@
 # You can set TARGET_ARCH_VARIANT to use an arch version other
 # than ARMv5TE. Each value should correspond to a file named
 # $(BUILD_COMBOS)/arch/<name>.mk which must contain
-# makefile variable definitions similar to the preprocessor
-# defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
+# makefile variable definitions. Their
 # purpose is to allow module Android.mk files to selectively compile
 # different versions of code based upon the funtionality and
 # instructions available in a given architecture version.
@@ -57,23 +56,26 @@ TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/aarch64/aarch64-linu
 TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/aarch64-linux-android-
 endif
 
-TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
-TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
-TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
-TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
-TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
-TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc
+TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++
+TARGET_AR := $(TARGET_TOOLS_PREFIX)ar
+TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy
+TARGET_LD := $(TARGET_TOOLS_PREFIX)ld
+TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf
+TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip
+TARGET_NM := $(TARGET_TOOLS_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
 TARGET_GLOBAL_CFLAGS += \
     -fno-strict-aliasing \
 
-android_config_h := $(call select-android-config-h,linux-arm64)
-
 TARGET_GLOBAL_CFLAGS += \
-			-fstack-protector \
+			-fstack-protector-strong \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -84,13 +86,12 @@ TARGET_GLOBAL_CFLAGS += \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
-			-include $(android_config_h) \
-			-I $(dir $(android_config_h))
 
 # Help catch common 32/64-bit errors.
 TARGET_GLOBAL_CFLAGS += \
     -Werror=pointer-to-int-cast \
     -Werror=int-to-pointer-cast \
+    -Werror=implicit-function-declaration \
 
 TARGET_GLOBAL_CFLAGS += -fno-strict-volatile-bitfields
 
@@ -108,11 +109,20 @@ TARGET_GLOBAL_LDFLAGS += \
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,-maarch64linux \
+			-Wl,--hash-style=gnu \
+			-Wl,--fix-cortex-a53-843419 \
+			-fuse-ld=gold \
+			-Wl,--icf=safe \
+			-Wl,--no-undefined-version \
 			$(arch_variant_ldflags)
 
+# Disable transitive dependency library symbol resolving.
+TARGET_GLOBAL_LDFLAGS += -Wl,--allow-shlib-undefined
+
 TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
 
 # More flags/options can be added here
@@ -126,21 +136,22 @@ TARGET_RELEASE_CFLAGS := \
 
 libc_root := bionic/libc
 libm_root := bionic/libm
-libstdc++_root := bionic/libstdc++
 
 TARGET_LIBGCC := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
 	-print-libgcc-file-name)
 TARGET_LIBATOMIC := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
 	-print-file-name=libatomic.a)
+TARGET_LIBGCOV := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
+	-print-file-name=libgcov.a)
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
+KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH)
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 
 TARGET_C_INCLUDES := \
 	$(libc_root)/arch-arm64/include \
 	$(libc_root)/include \
-	$(libstdc++_root)/include \
 	$(KERNEL_HEADERS) \
 	$(libm_root)/include \
 	$(libm_root)/include/arm64 \
@@ -152,81 +163,6 @@ TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
 TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
 TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
 
-TARGET_STRIP_MODULE:=true
-
-TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
-
-TARGET_CUSTOM_LD_COMMAND := true
-
-define transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
+TARGET_PACK_MODULE_RELOCATIONS := true
 
-define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker64 \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+TARGET_LINKER := /system/bin/linker64
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index 995e63c23..186d88f25 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -20,8 +20,7 @@
 # You can set TARGET_ARCH_VARIANT to use an arch version other
 # than mips32r2-fp. Each value should correspond to a file named
 # $(BUILD_COMBOS)/arch/<name>.mk which must contain
-# makefile variable definitions similar to the preprocessor
-# defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
+# makefile variable definitions. Their
 # purpose is to allow module Android.mk files to selectively compile
 # different versions of code based upon the funtionality and
 # instructions available in a given architecture version.
@@ -35,7 +34,7 @@ TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := mips32r2-fp
 endif
 
 # Decouple NDK library selection with platform compiler version
-$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
@@ -57,13 +56,18 @@ $(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_T
 $(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android-
 endif
 
-$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc
+$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++
+$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar
+$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy
+$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld
+$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf
+$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip
+$(combo_2nd_arch_prefix)TARGET_NM := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 $(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
@@ -79,22 +83,19 @@ ifeq ($(FORCE_MIPS_DEBUGGING),true)
   TARGET_mips_CFLAGS += -fno-omit-frame-pointer
 endif
 
-android_config_h := $(call select-android-config-h,linux-mips)
-
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
 			$(TARGET_mips_CFLAGS) \
 			-U__unix -U__unix__ -Umips \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
+			-fstack-protector-strong \
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
-			-include $(android_config_h) \
-			-I $(dir $(android_config_h))
 
 ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
@@ -104,10 +105,15 @@ $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += \
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
+			-Wl,--no-undefined-version \
 			$(arch_variant_ldflags)
 
+# Disable transitive dependency library symbol resolving.
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--allow-shlib-undefined
+
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
 
 # More flags/options can be added here
@@ -121,7 +127,6 @@ $(combo_2nd_arch_prefix)TARGET_RELEASE_CFLAGS := \
 
 libc_root := bionic/libc
 libm_root := bionic/libm
-libstdc++_root := bionic/libstdc++
 
 
 ## on some hosts, the target cross-compiler is not available so do not run this command
@@ -137,16 +142,18 @@ LIBGCC_EH := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_pre
 ifneq ($(LIBGCC_EH),libgcc_eh.a)
   $(combo_2nd_arch_prefix)TARGET_LIBGCC += $(LIBGCC_EH)
 endif
+$(combo_2nd_arch_prefix)TARGET_LIBGCOV := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
+        --print-file-name=libgcov.a)
 endif
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
+KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-mips # mips covers both mips and mips64.
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 
 $(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \
 	$(libc_root)/arch-mips/include \
 	$(libc_root)/include \
-	$(libstdc++_root)/include \
 	$(KERNEL_HEADERS) \
 	$(libm_root)/include \
 	$(libm_root)/include/mips \
@@ -158,81 +165,6 @@ $(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_
 $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
 $(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
 
-$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true
-
-$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
-
-$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
-
-define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
+$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true
 
-define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index 4511b4779..3e1f61a0f 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -18,10 +18,9 @@
 # Included by combo/select.mk
 
 # You can set TARGET_ARCH_VARIANT to use an arch version other
-# than mips64. Each value should correspond to a file named
+# than mips64r6. Each value should correspond to a file named
 # $(BUILD_COMBOS)/arch/<name>.mk which must contain
-# makefile variable definitions similar to the preprocessor
-# defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
+# makefile variable definitions. Their
 # purpose is to allow module Android.mk files to selectively compile
 # different versions of code based upon the funtionality and
 # instructions available in a given architecture version.
@@ -35,7 +34,7 @@ TARGET_ARCH_VARIANT := mips64r6
 endif
 
 # Decouple NDK library selection with platform compiler version
-TARGET_NDK_GCC_VERSION := 4.8
+TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 TARGET_GCC_VERSION := 4.9
@@ -57,13 +56,18 @@ TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-
 TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android-
 endif
 
-TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
-TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
-TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
-TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
-TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
-TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc
+TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++
+TARGET_AR := $(TARGET_TOOLS_PREFIX)ar
+TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy
+TARGET_LD := $(TARGET_TOOLS_PREFIX)ld
+TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf
+TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip
+TARGET_NM := $(TARGET_TOOLS_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
@@ -79,22 +83,25 @@ ifeq ($(FORCE_MIPS_DEBUGGING),true)
   TARGET_mips_CFLAGS += -fno-omit-frame-pointer
 endif
 
-android_config_h := $(call select-android-config-h,linux-mips64)
-
 TARGET_GLOBAL_CFLAGS += \
 			$(TARGET_mips_CFLAGS) \
 			-U__unix -U__unix__ -Umips \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
+			-fstack-protector-strong \
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
-			-include $(android_config_h) \
-			-I $(dir $(android_config_h))
+
+# Help catch common 32/64-bit errors.
+TARGET_GLOBAL_CFLAGS += \
+    -Werror=pointer-to-int-cast \
+    -Werror=int-to-pointer-cast \
+    -Werror=implicit-function-declaration \
 
 ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
 TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
@@ -104,10 +111,15 @@ TARGET_GLOBAL_LDFLAGS += \
 			-Wl,-z,noexecstack \
 			-Wl,-z,relro \
 			-Wl,-z,now \
+			-Wl,--build-id=md5 \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
+			-Wl,--no-undefined-version \
 			$(arch_variant_ldflags)
 
+# Disable transitive dependency library symbol resolving.
+TARGET_GLOBAL_LDFLAGS += -Wl,--allow-shlib-undefined
+
 TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
 
 # More flags/options can be added here
@@ -121,8 +133,6 @@ TARGET_RELEASE_CFLAGS := \
 
 libc_root := bionic/libc
 libm_root := bionic/libm
-libstdc++_root := bionic/libstdc++
-libthread_db_root := bionic/libthread_db
 
 
 ## on some hosts, the target cross-compiler is not available so do not run this command
@@ -138,9 +148,12 @@ LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgc
 ifneq ($(LIBGCC_EH),libgcc_eh.a)
   TARGET_LIBGCC += $(LIBGCC_EH)
 endif
+TARGET_LIBGCOV := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
+        --print-file-name=libgcov.a)
 endif
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
+KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-mips
 # TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ?
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
@@ -148,11 +161,10 @@ KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 TARGET_C_INCLUDES := \
 	$(libc_root)/arch-mips64/include \
 	$(libc_root)/include \
-	$(libstdc++_root)/include \
 	$(KERNEL_HEADERS) \
 	$(libm_root)/include \
 	$(libm_root)/include/mips \
-	$(libthread_db_root)/include
+
 # TODO: perhaps use $(libm_root)/include/mips64 instead of mips ?
 
 TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
@@ -162,81 +174,6 @@ TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
 TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
 TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
 
-TARGET_STRIP_MODULE:=true
-
-TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
-
-TARGET_CUSTOM_LD_COMMAND := true
-
-define transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
+TARGET_PACK_MODULE_RELOCATIONS := true
 
-define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker64 \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+TARGET_LINKER := /system/bin/linker64
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 0af39488b..558ec3b6b 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -23,10 +23,10 @@ TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := x86
 endif
 
 # Decouple NDK library selection with platform compiler version
-$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
 else
 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -49,33 +49,38 @@ $(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_T
 $(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
 endif
 
-$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
-$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc
+$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++
+$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar
+$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy
+$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld
+$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf
+$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip
+$(combo_2nd_arch_prefix)TARGET_NM := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 ifneq ($(wildcard $($(combo_2nd_arch_prefix)TARGET_CC)),)
 $(combo_2nd_arch_prefix)TARGET_LIBGCC := \
 	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a)
 $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \
 	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libatomic.a)
+$(combo_2nd_arch_prefix)TARGET_LIBGCOV := \
+	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcov.a)
 endif
 
 $(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
 libc_root := bionic/libc
 libm_root := bionic/libm
-libstdc++_root := bionic/libstdc++
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
+KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 
-android_config_h := $(call select-android-config-h,target_linux-x86)
-
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
 			-O2 \
 			-Wa,--noexecstack \
@@ -89,12 +94,10 @@ $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
 			-fstrict-aliasing \
 			-funswitch-loops \
 			-funwind-tables \
-			-fstack-protector \
+			-fstack-protector-strong \
 			-m32 \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers \
-			-include $(android_config_h) \
-			-I $(dir $(android_config_h))
 
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
 
@@ -121,14 +124,16 @@ $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32
 
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--no-undefined-version
 
 $(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \
 	$(libc_root)/arch-x86/include \
 	$(libc_root)/include \
-	$(libstdc++_root)/include \
 	$(KERNEL_HEADERS) \
 	$(libm_root)/include \
 	$(libm_root)/include/i387 \
@@ -140,77 +145,8 @@ $(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_
 $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
 $(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
 
-$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true
-
-$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
-
-$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
-define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	 -nostdlib -Wl,-soname,$(notdir $@) \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
+$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true
 
-define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bdynamic \
-	-Wl,-z,nocopyreloc \
-	-pie \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
+$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
 
-define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bstatic \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_YASM_FLAGS := -f elf32 -m x86
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index 33d6a56b0..12166ec47 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -23,10 +23,10 @@ TARGET_ARCH_VARIANT := x86_64
 endif
 
 # Decouple NDK library selection with platform compiler version
-TARGET_NDK_GCC_VERSION := 4.8
+TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-TARGET_GCC_VERSION := 4.8
+TARGET_GCC_VERSION := 4.9
 else
 TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -49,28 +49,35 @@ TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-and
 TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
 endif
 
-TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
-TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
-TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
-TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
-TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
-TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc
+TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++
+TARGET_AR := $(TARGET_TOOLS_PREFIX)ar
+TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy
+TARGET_LD := $(TARGET_TOOLS_PREFIX)ld
+TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf
+TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip
+TARGET_NM := $(TARGET_TOOLS_PREFIX)nm
+
+define $(combo_var_prefix)transform-shared-lib-to-toc
+$(call _gen_toc_command_for_elf,$(1),$(2))
+endef
 
 ifneq ($(wildcard $(TARGET_CC)),)
 TARGET_LIBGCC := \
 	$(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a)
 TARGET_LIBATOMIC := \
 	$(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a)
+TARGET_LIBGCOV := \
+	$(shell $(TARGET_CC) -m64 -print-file-name=libgcov.a)
 endif
 
 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
 
 libc_root := bionic/libc
 libm_root := bionic/libm
-libstdc++_root := bionic/libstdc++
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
+KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common
 KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 
@@ -87,7 +94,7 @@ TARGET_GLOBAL_CFLAGS += \
 			-fstrict-aliasing \
 			-funswitch-loops \
 			-funwind-tables \
-			-fstack-protector \
+			-fstack-protector-strong \
 			-m64 \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers
@@ -96,10 +103,7 @@ TARGET_GLOBAL_CFLAGS += \
 TARGET_GLOBAL_CFLAGS += \
     -Werror=pointer-to-int-cast \
     -Werror=int-to-pointer-cast \
-
-android_config_h := $(call select-android-config-h,target_linux-x86)
-TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
-TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
+    -Werror=implicit-function-declaration \
 
 TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
 
@@ -115,6 +119,9 @@ endif
 ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
     TARGET_GLOBAL_CFLAGS += -msse4.2
 endif
+ifeq ($(ARCH_X86_HAVE_POPCNT),true)
+    TARGET_GLOBAL_CFLAGS += -mpopcnt
+endif
 ifeq ($(ARCH_X86_HAVE_AVX),true)
     TARGET_GLOBAL_CFLAGS += -mavx
 endif
@@ -126,14 +133,16 @@ TARGET_GLOBAL_LDFLAGS += -m64
 
 TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
 TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
+TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5
 TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
 TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
 TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
+TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu
+TARGET_GLOBAL_LDFLAGS += -Wl,--no-undefined-version
 
 TARGET_C_INCLUDES := \
 	$(libc_root)/arch-x86_64/include \
 	$(libc_root)/include \
-	$(libstdc++_root)/include \
 	$(KERNEL_HEADERS) \
 	$(libm_root)/include \
 	$(libm_root)/include/amd64 \
@@ -145,77 +154,6 @@ TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
 TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
 TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
 
-TARGET_STRIP_MODULE:=true
-
-TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
-
-TARGET_CUSTOM_LD_COMMAND := true
-define transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	 -nostdlib -Wl,-soname,$(notdir $@) \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
-endef
+TARGET_LINKER := /system/bin/linker64
 
-define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bdynamic \
-	-Wl,-z,nocopyreloc \
-	-pie \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bstatic \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
+TARGET_GLOBAL_YASM_FLAGS := -f elf64 -m amd64
diff --git a/core/combo/arch/arm/armv7-a-neon.mk b/core/combo/arch/arm/armv7-a-neon.mk
index c6603db40..8dee4eaed 100644
--- a/core/combo/arch/arm/armv7-a-neon.mk
+++ b/core/combo/arch/arm/armv7-a-neon.mk
@@ -6,23 +6,58 @@ ARCH_ARM_HAVE_VFP               := true
 ARCH_ARM_HAVE_VFP_D32           := true
 ARCH_ARM_HAVE_NEON              := true
 
-ifneq (,$(filter cortex-a15 krait denver,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
-	arch_variant_cflags := -mcpu=cortex-a15
+local_arch_has_lpae := false
+
+ifneq (,$(filter cortex-a15 denver krait,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
+	# TODO: krait is not a cortex-a15, we set the variant to cortex-a15 so that
+	#       hardware divide operations are generated. This should be removed and a
+	#       krait CPU variant added to GCC. For clang we specify -mcpu for krait in
+	#       core/clang/arm.mk.
+	arch_variant_cflags := -mcpu=cortex-a15 -mfpu=neon-vfpv4
+
+	local_arch_has_lpae := true
+	arch_variant_ldflags := \
+		-Wl,--no-fix-cortex-a8
+else
+ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a9)
+	arch_variant_cflags := -mcpu=cortex-a9 -mfpu=neon
 else
-ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a8)
-	arch_variant_cflags := -mcpu=cortex-a8
+ifneq (,$(filter cortex-a8 scorpion,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
+	arch_variant_cflags := -mcpu=cortex-a8 -mfpu=neon
+	arch_variant_ldflags := \
+		-Wl,--fix-cortex-a8
 else
-ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a7)
-	arch_variant_cflags := -mcpu=cortex-a7
+ifneq (,$(filter cortex-a7 cortex-a53 cortex-a53.a57,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
+	arch_variant_cflags := -mcpu=cortex-a7 -mfpu=neon-vfpv4
+
+	local_arch_has_lpae := true
+	arch_variant_ldflags := \
+		-Wl,--no-fix-cortex-a8
+else
+ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a5)
+	arch_variant_cflags := -mcpu=cortex-a7 -mfpu=neon-vfpv4
+	arch_variant_ldflags := \
+		-Wl,--no-fix-cortex-a8
 else
-	arch_variant_cflags := -march=armv7-a
+	arch_variant_cflags := -march=armv7-a -mfpu=neon
+	# Generic ARM might be a Cortex A8 -- better safe than sorry
+	arch_variant_ldflags := \
+		-Wl,--fix-cortex-a8
+endif
+endif
 endif
 endif
 endif
 
-arch_variant_cflags += \
-    -mfloat-abi=softfp \
-    -mfpu=neon
+ifeq (true,$(local_arch_has_lpae))
+	# Fake an ARM compiler flag as these processors support LPAE which GCC/clang
+	# don't advertise.
+	# TODO This is a hack and we need to add it for each processor that supports LPAE until some
+	# better solution comes around. See Bug 27340895
+	arch_variant_cflags += -D__ARM_FEATURE_LPAE=1
+endif
 
-arch_variant_ldflags := \
-	-Wl,--fix-cortex-a8
+local_arch_has_lpae :=
+
+arch_variant_cflags += \
+    -mfloat-abi=softfp
diff --git a/core/combo/arch/arm64/armv8-a.mk b/core/combo/arch/arm64/armv8-a.mk
index edc0497ee..5e27e5abb 100644
--- a/core/combo/arch/arm64/armv8-a.mk
+++ b/core/combo/arch/arm64/armv8-a.mk
@@ -1 +1,5 @@
-arch_variant_cflags :=
+ifneq (,$(filter cortex-a53,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
+	arch_variant_cflags := -mcpu=cortex-a53
+else
+	arch_variant_cflags :=
+endif
diff --git a/core/combo/arch/mips/mips32-fp.mk b/core/combo/arch/mips/mips32-fp.mk
index 8320e9392..912ff631b 100644
--- a/core/combo/arch/mips/mips32-fp.mk
+++ b/core/combo/arch/mips/mips32-fp.mk
@@ -7,6 +7,7 @@ arch_variant_cflags := \
     -mips32 \
     -mfp32 \
     -modd-spreg \
+    -mno-synci
 
 arch_variant_ldflags := \
     -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips/mips32r2-fp-xburst.mk b/core/combo/arch/mips/mips32r2-fp-xburst.mk
index 2b4f71484..09b3bc210 100644
--- a/core/combo/arch/mips/mips32r2-fp-xburst.mk
+++ b/core/combo/arch/mips/mips32r2-fp-xburst.mk
@@ -9,7 +9,8 @@ arch_variant_cflags := \
     -mfp32 \
     -modd-spreg \
     -mno-fused-madd \
-    -Wa,-mmxu
+    -Wa,-mmxu \
+    -mno-synci
 
 arch_variant_ldflags := \
     -Wl,-melf32ltsmip
diff --git a/core/combo/arch/x86/x86-atom.mk b/core/combo/arch/x86/atom.mk
similarity index 96%
rename from core/combo/arch/x86/x86-atom.mk
rename to core/combo/arch/x86/atom.mk
index 508a0afb5..3800350a3 100644
--- a/core/combo/arch/x86/x86-atom.mk
+++ b/core/combo/arch/x86/atom.mk
@@ -11,6 +11,5 @@ ARCH_X86_HAVE_POPCNT := false   # popcnt is not supported by current Atom CPUs
 # CFLAGS for this arch
 arch_variant_cflags := \
 	-march=atom \
-	-mstackrealign \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86/haswell.mk b/core/combo/arch/x86/haswell.mk
index a00e0a680..b3922c045 100644
--- a/core/combo/arch/x86/haswell.mk
+++ b/core/combo/arch/x86/haswell.mk
@@ -7,10 +7,11 @@ ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
 ARCH_X86_HAVE_AES_NI := true
 ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_MOVBE  := true
 
 # CFLAGS for this arch
 arch_variant_cflags := \
 	-march=core-avx2 \
-	-mstackrealign \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86/ivybridge.mk b/core/combo/arch/x86/ivybridge.mk
index 02dc1e006..c9fc33b01 100644
--- a/core/combo/arch/x86/ivybridge.mk
+++ b/core/combo/arch/x86/ivybridge.mk
@@ -7,10 +7,11 @@ ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
 ARCH_X86_HAVE_AES_NI := true
 ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
 	-march=core-avx-i \
-	-mstackrealign \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86/sandybridge.mk b/core/combo/arch/x86/sandybridge.mk
index dfa540c42..bca595373 100644
--- a/core/combo/arch/x86/sandybridge.mk
+++ b/core/combo/arch/x86/sandybridge.mk
@@ -2,13 +2,16 @@
 # Generating binaries for SandyBridge processors.
 #
 ARCH_X86_HAVE_SSSE3  := true
+ARCH_X86_HAVE_SSE4   := true
 ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
+ARCH_X86_HAVE_AES_NI := true
 ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
 	-march=corei7-avx \
-	-mstackrealign \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86/silvermont.mk b/core/combo/arch/x86/silvermont.mk
index 3a8718d1a..d064b1df2 100644
--- a/core/combo/arch/x86/silvermont.mk
+++ b/core/combo/arch/x86/silvermont.mk
@@ -15,6 +15,5 @@ ARCH_X86_HAVE_MOVBE  := true
 # CFLAGS for this arch
 arch_variant_cflags := \
 	-march=slm \
-	-mstackrealign \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86/x86.mk b/core/combo/arch/x86/x86.mk
index 73706c409..f0704263b 100644
--- a/core/combo/arch/x86/x86.mk
+++ b/core/combo/arch/x86/x86.mk
@@ -13,11 +13,7 @@ ARCH_X86_HAVE_MOVBE := false
 ARCH_X86_HAVE_POPCNT := false
 
 
-# XXX: This flag is probably redundant, because it should be set by default
-# by our toolchain binaries. However, there have been reports that this may
-# not always work as intended, so keep it unless we have the time to check
-# everything properly.
-
+# Some intrinsic functions used by libcxx only exist for prescott or newer CPUs.
 arch_variant_cflags := \
-    -march=i686 \
+    -march=prescott \
 
diff --git a/core/combo/arch/x86_64/haswell.mk b/core/combo/arch/x86_64/haswell.mk
index 9cf95b322..6067eee65 100644
--- a/core/combo/arch/x86_64/haswell.mk
+++ b/core/combo/arch/x86_64/haswell.mk
@@ -7,6 +7,8 @@ ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
 ARCH_X86_HAVE_AES_NI := true
 ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_MOVBE  := true
 
 # CFLAGS for this arch
 arch_variant_cflags := \
diff --git a/core/combo/arch/x86_64/ivybridge.mk b/core/combo/arch/x86_64/ivybridge.mk
index 7b9519029..90e23a9f2 100644
--- a/core/combo/arch/x86_64/ivybridge.mk
+++ b/core/combo/arch/x86_64/ivybridge.mk
@@ -7,6 +7,8 @@ ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
 ARCH_X86_HAVE_AES_NI := true
 ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
diff --git a/core/combo/arch/x86_64/sandybridge.mk b/core/combo/arch/x86_64/sandybridge.mk
index a443b6bd9..865548c6b 100644
--- a/core/combo/arch/x86_64/sandybridge.mk
+++ b/core/combo/arch/x86_64/sandybridge.mk
@@ -2,9 +2,13 @@
 # Generating binaries for SandyBridge processors.
 #
 ARCH_X86_HAVE_SSSE3  := true
+ARCH_X86_HAVE_SSE4   := true
 ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
+ARCH_X86_HAVE_AES_NI := true
 ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
diff --git a/core/combo/arch/x86_64/x86_64-atom.mk b/core/combo/arch/x86_64/x86_64-atom.mk
deleted file mode 100755
index 64b07a085..000000000
--- a/core/combo/arch/x86_64/x86_64-atom.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-# This file contains feature macro definitions specific to the
-# 'x86_64-atom' arch variant. This is an extension of the 'x86_64' base variant
-# that adds Atom-specific features.
-#
-# See build/core/combo/arch/x86_64/x86_64.mk for differences.
-#
-ARCH_X86_HAVE_SSSE3 := true
-ARCH_X86_HAVE_MOVBE := true
-ARCH_X86_HAVE_POPCNT := false   # popcnt is not supported by current Atom CPUs
-
-# CFLAGS for this arch
-arch_variant_cflags := \
-	-march=atom
diff --git a/core/combo/arch/x86_64/x86_64.mk b/core/combo/arch/x86_64/x86_64.mk
index 9d2b62013..08dd9cd86 100755
--- a/core/combo/arch/x86_64/x86_64.mk
+++ b/core/combo/arch/x86_64/x86_64.mk
@@ -8,6 +8,9 @@
 ARCH_X86_HAVE_SSSE3 := true
 ARCH_X86_HAVE_MOVBE := false # Only supported on Atom.
 ARCH_X86_HAVE_POPCNT := true
+ARCH_X86_HAVE_SSE4 := true
+ARCH_X86_HAVE_SSE4_1 := true
+ARCH_X86_HAVE_SSE4_2 := true
 
 
 # CFLAGS for this arch
diff --git a/core/combo/fdo.mk b/core/combo/fdo.mk
index 9e331b6fa..8fb8fd3a5 100644
--- a/core/combo/fdo.mk
+++ b/core/combo/fdo.mk
@@ -18,22 +18,16 @@
 
 $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
 
-ifeq ($(strip $(BUILD_FDO_INSTRUMENT)), true)
-  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /sdcard/fdo_profile on the device.
-  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/sdcard/fdo_profile -DANDROID_FDO
-  $(combo_2nd_arch_prefix)TARGET_FDO_LDFLAGS := -lgcov -lgcc
-else
-  ifeq ($(strip $(BUILD_FDO_OPTIMIZE)), true)
-    # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
-    ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
-      $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := vendor/google_data/fdo_profile
-    endif
+# Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
+# The profile will be generated on /sdcard/fdo_profile on the device.
+$(combo_2nd_arch_prefix)TARGET_FDO_INSTRUMENT_CFLAGS := -fprofile-generate=/sdcard/fdo_profile -DANDROID_FDO
+$(combo_2nd_arch_prefix)TARGET_FDO_INSTRUMENT_LDFLAGS := -lgcov -lgcc
 
-    ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)/$(PRODUCT_OUT))),)
-      $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO -fprofile-correction -Wcoverage-mismatch -Wno-error
-    else
-      $(warning Profile directory $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)/$(PRODUCT_OUT) does not exist. Turn off FDO.)
-    endif
-  endif
+# Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
+ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
+  $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := vendor/google_data/fdo_profile
 endif
+
+$(combo_2nd_arch_prefix)TARGET_FDO_OPTIMIZE_CFLAGS := \
+    -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) \
+    -DANDROID_FDO -fprofile-correction -Wcoverage-mismatch -Wno-error
diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
deleted file mode 100644
index 54f375090..000000000
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "Darwin".  Used for X86 Mac OS X.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have the futex syscall?
- */
-
-/* #define HAVE_FUTEX */
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_MACOSX_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-/* #define  HAVE_SYS_SENDFILE_H 1 */
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS
-
-/*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-/* #define HAVE_IOCTL */
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-/* #define HAVE_POSIX_CLOCKS */
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#if (defined(__ppc__) || defined(__ppc64__))
-#   define HAVE_BIG_ENDIAN
-#elif (defined(__i386__) || defined(__x86_64__))
-#   define HAVE_LITTLE_ENDIAN
-#endif
-
-/*
- * We need to choose between 32-bit and 64-bit off_t.  All of our code should
- * agree on the same size.  For desktop systems, use 64-bit values,
- * because some of our libraries (e.g. wxWidgets) expect to be built that way.
- */
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE_SOURCE 1
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-/* #define HAVE_OFF64_T */
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-/* #define HAVE_GETTID */
-
-
-/*
- * Add any extra platform-specific defines here.
- */
-#define _THREAD_SAFE
-
-/*
- * Define if we have <malloc.h> header
- */
-/* #define HAVE_MALLOC_H */
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if we include <sys/mount.h> for statfs()
- */
-#define INCLUDE_SYS_MOUNT_FOR_STATFS 1
-
-/*
- * What CPU architecture does this platform use?
- */
-#if (defined(__ppc__) || defined(__ppc64__))
-#   define ARCH_PPC
-#elif (defined(__i386__) || defined(__x86_64__))
-#   define ARCH_X86
-#endif
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.dylib"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- *
- * For tools apps, we'll treat is as not case sensitive.
- */
-/* #define OS_CASE_SENSITIVE */
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-#define HAVE_STRLCPY 1
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-#define HAVE_FUNOPEN 1
-
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
- */
-#define HAVE_BSD_QSORT_R 1
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
- */
-#define HAVE_GNU_QSORT_R 0
-
-#endif /*_ANDROID_CONFIG_H*/
diff --git a/core/combo/include/arch/linux-arm/AndroidConfig.h b/core/combo/include/arch/linux-arm/AndroidConfig.h
deleted file mode 100644
index c06c8bc2c..000000000
--- a/core/combo/include/arch/linux-arm/AndroidConfig.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "android-arm".  Used for ARM device builds.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have pthread_setname_np()?
- *
- * (HAVE_PTHREAD_SETNAME_NP is used by WebKit to enable a function with
- * the same name but different parameters, so we can't use that here.)
- */
-#define HAVE_ANDROID_PTHREAD_SETNAME_NP
-
-/*
- * Do we have the futex syscall?
- */
-#define HAVE_FUTEX
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_ANDROID_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#define  HAVE_SYS_SENDFILE_H 1
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H 1
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS
-
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R 1 */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-#define HAVE_IOCTL
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-#define HAVE_POSIX_CLOCKS
-
-/*
- * Define this if we have linux style epoll()
- */
-#define HAVE_EPOLL
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#define HAVE_ENDIAN_H
-#define HAVE_LITTLE_ENDIAN
-
-/*
- * We need to choose between 32-bit and 64-bit off_t.  All of our code should
- * agree on the same size.  For desktop systems, use 64-bit values,
- * because some of our libraries (e.g. wxWidgets) expect to be built that way.
- */
-/* #define _FILE_OFFSET_BITS 64 */
-/* #define _LARGEFILE_SOURCE 1 */
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
-/* 
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__
-#endif
-
-/*
- * Define if we have <malloc.h> header
- */
-#define HAVE_MALLOC_H
-
-/* 
- * Define if we're running on *our* linux on device or emulator.
- */
-#define HAVE_ANDROID_OS 1
-
-/*
- * Define if we have Linux-style non-filesystem Unix Domain Sockets
- */
-#define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
-
-/*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-#define HAVE_LIBC_SYSTEM_PROPERTIES 1
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-/* #define HAVE_SYSTEM_PROPERTY_SERVER */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_ARM
-
-/*
- * Define if the size of enums is as short as possible,
- */
-/* #define HAVE_SHORT_ENUMS */
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-#define HAVE_STRLCPY 1
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-#define HAVE_FUNOPEN 1
-
-/*
- * Define if prctl() exists
- */
-#define HAVE_PRCTL 1
-
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
- */
-#define HAVE_BSD_QSORT_R 0
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
- */
-#define HAVE_GNU_QSORT_R 0
-
-#endif /* _ANDROID_CONFIG_H */
diff --git a/core/combo/include/arch/linux-arm64/AndroidConfig.h b/core/combo/include/arch/linux-arm64/AndroidConfig.h
deleted file mode 100644
index bcbda8f87..000000000
--- a/core/combo/include/arch/linux-arm64/AndroidConfig.h
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "android-aarch64".  Used for ARM aarch64 device builds.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have pthread_setname_np()?
- *
- * (HAVE_PTHREAD_SETNAME_NP is used by WebKit to enable a function with
- * the same name but different parameters, so we can't use that here.)
- */
-#define HAVE_ANDROID_PTHREAD_SETNAME_NP
-
-/*
- * Do we have the futex syscall?
- */
-#define HAVE_FUTEX
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Process out-of-memory adjustment.  Set if running on Linux,
- * where we can write to /proc/<pid>/oom_adj to modify the out-of-memory
- * badness adjustment.
- */
-#define HAVE_OOM_ADJ
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_ANDROID_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#define  HAVE_SYS_SENDFILE_H 1
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H 1
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS
-
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R 1 */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-#define HAVE_IOCTL
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-#define HAVE_POSIX_CLOCKS
-
-/*
- * Define this if we have linux style epoll()
- */
-#define HAVE_EPOLL
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#define HAVE_ENDIAN_H
-#define HAVE_LITTLE_ENDIAN
-
-#define _FILE_OFFSET_BITS 64
-/* #define _LARGEFILE_SOURCE 1 */
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
-/*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__
-#endif
-
-/*
- * Define if we have <malloc.h> header
- */
-#define HAVE_MALLOC_H
-
-/*
- * Define if we're running on *our* linux on device or emulator.
- */
-#define HAVE_ANDROID_OS 1
-
-/*
- * Define if we have Linux-style non-filesystem Unix Domain Sockets
- */
-#define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
-
-/*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-#define HAVE_LIBC_SYSTEM_PROPERTIES 1
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-/* #define HAVE_SYSTEM_PROPERTY_SERVER */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_AARCH64
-
-/*
- * Define if the size of enums is as short as possible,
- */
-/* #define HAVE_SHORT_ENUMS */
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-#define HAVE_STRLCPY 1
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-#define HAVE_FUNOPEN 1
-
-/*
- * Define if prctl() exists
- */
-#define HAVE_PRCTL 1
-
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
- */
-#define HAVE_BSD_QSORT_R 0
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
- */
-#define HAVE_GNU_QSORT_R 0
-
-#endif /* _ANDROID_CONFIG_H */
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
deleted file mode 100644
index bb3dc950b..000000000
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ /dev/null
@@ -1,350 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "android-mips".  Used for MIPS device builds.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have pthread_setname_np()?
- *
- * (HAVE_PTHREAD_SETNAME_NP is used by WebKit to enable a function with
- * the same name but different parameters, so we can't use that here.)
- */
-#define HAVE_ANDROID_PTHREAD_SETNAME_NP
-
-/*
- * Do we have the futex syscall?
- */
-#define HAVE_FUTEX
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_ANDROID_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#define  HAVE_SYS_SENDFILE_H 1
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H 1
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS
-
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-#define HAVE_IOCTL
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-#define HAVE_POSIX_CLOCKS
-
-/*
- * Define this if we have linux style epoll()
- */
-#define HAVE_EPOLL
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#define HAVE_ENDIAN_H
-#if defined(__MIPSEB__)
-#define HAVE_BIG_ENDIAN
-#endif
-#if defined(__MIPSEL__)
-#define HAVE_LITTLE_ENDIAN
-#endif
-
-/*
- * We need to choose between 32-bit and 64-bit off_t.  All of our code should
- * agree on the same size.  For desktop systems, use 64-bit values,
- * because some of our libraries (e.g. wxWidgets) expect to be built that way.
- */
-/* #define _FILE_OFFSET_BITS 64 */
-/* #define _LARGEFILE_SOURCE 1 */
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
-/*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__ 1
-#endif
-
-#ifndef __linux
-#define __linux 1
-#endif
-
-#ifdef __unix__
-#undef __unix__
-#endif
-
-#ifdef __unix
-#undef __unix
-#endif
-
-/*
- * Define if we have <malloc.h> header
- */
-#define HAVE_MALLOC_H
-
-/*
- * Define if we're running on *our* linux on device or emulator.
- */
-#define HAVE_ANDROID_OS 1
-
-/*
- * Define if we have Linux-style non-filesystem Unix Domain Sockets
- */
-#define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
-
-/*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-#define HAVE_LIBC_SYSTEM_PROPERTIES 1
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-/* #define HAVE_SYSTEM_PROPERTY_SERVER */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_MIPS 1
-
-/*
- * Define if the size of enums is as short as possible,
- */
-/* #define HAVE_SHORT_ENUMS */
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-#define HAVE_STRLCPY 1
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-#define HAVE_FUNOPEN 1
-
-/*
- * Define if prctl() exists
- */
-#define HAVE_PRCTL 1
-
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Whether or not _Unwind_Context is defined as a struct.
- */
-#define HAVE_UNWIND_CONTEXT_STRUCT 1
-
-#endif /* _ANDROID_CONFIG_H */
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
deleted file mode 100644
index 7ded3ceea..000000000
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "android-mips64".  Used for MIPS device builds.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have pthread_setname_np()?
- *
- * (HAVE_PTHREAD_SETNAME_NP is used by WebKit to enable a function with
- * the same name but different parameters, so we can't use that here.)
- */
-#define HAVE_ANDROID_PTHREAD_SETNAME_NP
-
-/*
- * Do we have the futex syscall?
- */
-#define HAVE_FUTEX
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Process out-of-memory adjustment.  Set if running on Linux,
- * where we can write to /proc/<pid>/oom_adj to modify the out-of-memory
- * badness adjustment.
- */
-#define HAVE_OOM_ADJ
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_ANDROID_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#define  HAVE_SYS_SENDFILE_H 1
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H 1
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS
-
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-#define HAVE_IOCTL
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-#define HAVE_POSIX_CLOCKS
-
-/*
- * Define this if we have linux style epoll()
- */
-#define HAVE_EPOLL
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#define HAVE_ENDIAN_H
-#define HAVE_LITTLE_ENDIAN
-
-#define _FILE_OFFSET_BITS 64
-/* #define _LARGEFILE_SOURCE 1 */
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
-/*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__ 1
-#endif
-
-#ifndef __linux
-#define __linux 1
-#endif
-
-#ifdef __unix__
-#undef __unix__
-#endif
-
-#ifdef __unix
-#undef __unix
-#endif
-
-/*
- * Define if we have <malloc.h> header
- */
-#define HAVE_MALLOC_H
-
-/*
- * Define if we're running on *our* linux on device or emulator.
- */
-#define HAVE_ANDROID_OS 1
-
-/*
- * Define if we have Linux-style non-filesystem Unix Domain Sockets
- */
-#define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
-
-/*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-#define HAVE_LIBC_SYSTEM_PROPERTIES 1
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-/* #define HAVE_SYSTEM_PROPERTY_SERVER */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_MIPS64 1
-
-/*
- * Define if the size of enums is as short as possible,
- */
-/* #define HAVE_SHORT_ENUMS */
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-#define HAVE_STRLCPY 1
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-#define HAVE_FUNOPEN 1
-
-/*
- * Define if prctl() exists
- */
-#define HAVE_PRCTL 1
-
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Whether or not _Unwind_Context is defined as a struct.
- */
-#define HAVE_UNWIND_CONTEXT_STRUCT 1
-
-#endif /* _ANDROID_CONFIG_H */
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
deleted file mode 100644
index 5523e4968..000000000
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ /dev/null
@@ -1,322 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "Linux".  Used for desktop x86 Linux.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have the futex syscall?
- */
-
-#define HAVE_FUTEX
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_SYSV_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#define  HAVE_SYS_SENDFILE_H 1
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H 1
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS
-
-/*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
-/*
- * Define this if we have gethostbyname_r().
- */
-#define HAVE_GETHOSTBYNAME_R
-
-/*
- * Define this if we have ioctl().
- */
-#define HAVE_IOCTL
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-#define HAVE_POSIX_CLOCKS
-
-/*
- * Define this if we have linux style epoll()
- */
-#define HAVE_EPOLL
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#define HAVE_ENDIAN_H
-#define HAVE_LITTLE_ENDIAN
-
-/*
- * We need to choose between 32-bit and 64-bit off_t.  All of our code should
- * agree on the same size.  For desktop systems, use 64-bit values,
- * because some of our libraries (e.g. wxWidgets) expect to be built that way.
- */
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE_SOURCE 1
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 1
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-/* #define HAVE_GETTID */
-
-/* 
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-
-/*
- * Define if we have <malloc.h> header
- */
-#define HAVE_MALLOC_H
-
-/*
- * Define if we have Linux-style non-filesystem Unix Domain Sockets
- */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_X86
-
-
-/*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-/*#define HAVE_INOTIFY 1*/
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-/* #define HAVE_LIBC_SYSTEM_PROPERTIES */
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-#define HAVE_SYSTEM_PROPERTY_SERVER
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-/* #define HAVE_STRLCPY 1 */
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-#define HAVE_OPEN_MEMSTREAM 1
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-/* #define HAVE_FUNOPEN 1 */
-
-/*
- * Define if prctl() exists
- */
-#define HAVE_PRCTL 1
-
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
- */
-#define HAVE_BSD_QSORT_R 0
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
- */
-#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
-#define HAVE_GNU_QSORT_R 1
-#else
-#define HAVE_GNU_QSORT_R 0
-#endif
-
-#endif /*_ANDROID_CONFIG_H*/
diff --git a/core/combo/include/arch/target_linux-x86/AndroidConfig.h b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
deleted file mode 100644
index c267b2b47..000000000
--- a/core/combo/include/arch/target_linux-x86/AndroidConfig.h
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * Copyright 2005 The Android Open Source Project
- *
- * Android config -- "target_linux-x86".  Used for x86 linux target devices.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
- */
-#define HAVE_PTHREADS
-
-/*
- * Do we have pthread_setname_np()?
- *
- * (HAVE_PTHREAD_SETNAME_NP is used by WebKit to enable a function with
- * the same name but different parameters, so we can't use that here.)
- */
-#define HAVE_ANDROID_PTHREAD_SETNAME_NP
-
-/*
- * Do we have the futex syscall?
- */
-#define HAVE_FUTEX
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_ANDROID_IPC 1
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP 1
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#define  HAVE_SYS_SENDFILE_H 1
-
-/*
- * Define this if you build against have Microsoft C runtime (MSVCRT.DLL)
- */
-/* #define HAVE_MS_C_RUNTIME */
-
-/*
- * Define this if you have sys/uio.h
- */
-#define  HAVE_SYS_UIO_H 1
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-#define HAVE_SYMLINKS 1
-
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R 1 */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-#define HAVE_IOCTL
-
-/*
- * Define this if we want to use WinSock.
- */
-/* #define HAVE_WINSOCK */
-
-/*
- * Define this if have clock_gettime() and friends
- *
- */
-#define HAVE_POSIX_CLOCKS
-
-/*
- * Define this if we have linux style epoll()
- */
-#define HAVE_EPOLL
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#define HAVE_ENDIAN_H
-#define HAVE_LITTLE_ENDIAN
-
-/*
- * We need to choose between 32-bit and 64-bit off_t.  All of our code should
- * agree on the same size.  For desktop systems, use 64-bit values,
- * because some of our libraries (e.g. wxWidgets) expect to be built that way.
- */
-#if __LP64__
-#define _FILE_OFFSET_BITS 64
-#endif
-/* #define _LARGEFILE_SOURCE 1 */
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
-/* 
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__
-#endif
-
-/*
- * Define if we have <malloc.h> header
- */
-#define HAVE_MALLOC_H
-
-/* 
- * Define if we're running on *our* linux on device or emulator.
- */
-#define HAVE_ANDROID_OS 1
-
-/*
- * Define if we have Linux-style non-filesystem Unix Domain Sockets
- */
-#define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
-
-/*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if we have Linux's dbus 
- */
-/* #define HAVE_DBUS 1 */
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-#define HAVE_TM_GMTOFF 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-#define HAVE_LIBC_SYSTEM_PROPERTIES 1
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-/* #define HAVE_SYSTEM_PROPERTY_SERVER */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_X86
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '/'
-
-/*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
- * Define if <sys/socket.h> exists.
- */
-#define HAVE_SYS_SOCKET_H 1
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-#define HAVE_STRLCPY 1
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-#define HAVE_FUNOPEN 1
-
-/*
- * Define if prctl() exists
- */
-#define HAVE_PRCTL 1
-
-/*
- * Whether or not _Unwind_Context is defined as a struct.
- */
-#define HAVE_UNWIND_CONTEXT_STRUCT
-
-/*
- * Define if <stdint.h> exists.
- */
-#define HAVE_STDINT_H 1
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H 1
-
-/*
- * Define if <sched.h> exists.
- */
-#define HAVE_SCHED_H 1
-
-/*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-#define HAVE_PRINTF_ZD 1
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
- */
-#define HAVE_BSD_QSORT_R 0
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
- */
-#define HAVE_GNU_QSORT_R 0
-
-#endif /* _ANDROID_CONFIG_H */
diff --git a/core/combo/include/arch/windows/AndroidConfig.h b/core/combo/include/arch/windows/AndroidConfig.h
deleted file mode 100644
index 204740dbc..000000000
--- a/core/combo/include/arch/windows/AndroidConfig.h
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Android config -- "CYGWIN_NT-5.1".
- *
- * Cygwin has pthreads, but GDB seems to get confused if you use it to
- * create threads.  By "confused", I mean it freezes up the first time the
- * debugged process creates a thread, even if you use CreateThread.  The
- * mere presence of pthreads linkage seems to cause problems.
- */
-#ifndef _ANDROID_CONFIG_H
-#define _ANDROID_CONFIG_H
-
-/*
- * ===========================================================================
- *                              !!! IMPORTANT !!!
- * ===========================================================================
- *
- * This file is included by ALL C/C++ source files.  Don't put anything in
- * here unless you are absolutely certain it can't go anywhere else.
- *
- * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
- * comments.
- */
-
-/* MingW doesn't define __BEGIN_DECLS / __END_DECLS. */
-
-#ifndef __BEGIN_DECLS
-#  ifdef __cplusplus
-#    define __BEGIN_DECLS extern "C" {
-#  else
-#    define __BEGIN_DECLS
-#  endif
-#endif
-
-#ifndef __END_DECLS
-#  ifdef __cplusplus
-#    define __END_DECLS }
-#  else
-#    define __END_DECLS
-#  endif
-#endif
-
-/*
- * Threading model.  Choose one:
- *
- * HAVE_PTHREADS - use the pthreads library.
- * HAVE_WIN32_THREADS - use Win32 thread primitives.
- */
-#define HAVE_WIN32_THREADS
-
-/*
- * Do we have the futex syscall?
- */
-
-/* #define HAVE_FUTEX */
-
-
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#ifdef __CYGWIN__
-#  define HAVE_FORKEXEC
-#else
-#  define HAVE_WIN32_PROC
-#endif
-
-/*
- * IPC model.  Choose one:
- *
- * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
- * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
- * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
- * HAVE_ANDROID_IPC - use Android versions (?, mmap).
- */
-#define HAVE_WIN32_IPC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#ifdef __CYGWIN__
-#define  HAVE_POSIX_FILEMAP
-#else
-#define  HAVE_WIN32_FILEMAP
-#endif
-
-/*
- * Define this if you have <termio.h>
- */
-#ifdef __CYGWIN__
-#  define  HAVE_TERMIO_H
-#endif
-
-/*
- * Define this if you have <sys/sendfile.h>
- */
-#ifdef __CYGWIN__
-#  define  HAVE_SYS_SENDFILE_H 1
-#endif
-
-/*
- * Define this if you build against MSVCRT.DLL
- */
-#ifndef __CYGWIN__
-#  define HAVE_MS_C_RUNTIME
-#endif
-
-/*
- * Define this if you have sys/uio.h
- */
-#ifdef __CYGWIN__
-#define  HAVE_SYS_UIO_H
-#endif
-
-
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R 1 */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
- * Define this if we have ioctl().
- */
-/* #define HAVE_IOCTL */
-
-/*
- * Define this if we want to use WinSock.
- */
-#ifndef __CYGWIN__
-#define HAVE_WINSOCK
-#endif
-
-/*
- * Define this if your platforms implements symbolic links
- * in its filesystems
- */
-/* #define HAVE_SYMLINKS */
-
-/*
- * Define this if have clock_gettime() and friends
- */
-/* #define HAVE_POSIX_CLOCKS */
-
-/*
- * Endianness of the target machine.  Choose one:
- *
- * HAVE_ENDIAN_H -- have endian.h header we can include.
- * HAVE_LITTLE_ENDIAN -- we are little endian.
- * HAVE_BIG_ENDIAN -- we are big endian.
- */
-#ifdef __CYGWIN__
-#define HAVE_ENDIAN_H
-#endif
-
-#define HAVE_LITTLE_ENDIAN
-
-/*
- * We need to choose between 32-bit and 64-bit off_t.  All of our code should
- * agree on the same size.  For desktop systems, use 64-bit values,
- * because some of our libraries (e.g. wxWidgets) expect to be built that way.
- */
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE_SOURCE 1
-
-/*
- * Define if platform has off64_t (and lseek64 and other xxx64 functions)
- */
-#define HAVE_OFF64_T
-
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
-/*
- * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
- * not defined, stack crawls will be displayed with raw mangled symbols
- */
-#define HAVE_CXXABI 0
-
-/*
- * Define if tm struct has tm_gmtoff field
- */
-/* #define HAVE_TM_GMTOFF 1 */
-
-/*
- * Define if dirent struct has d_type field
- */
-/* #define HAVE_DIRENT_D_TYPE 1 */
-
-/*
- * Define if libc includes Android system properties implementation.
- */
-/* #define HAVE_LIBC_SYSTEM_PROPERTIES */
-
-/*
- * Define if system provides a system property server (should be
- * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
- */
-/* #define HAVE_SYSTEM_PROPERTY_SERVER */
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-/*#define HAVE_MADVISE 1*/
-
-/*
- * Add any extra platform-specific defines here.
- */
-#define WIN32 1                 /* stock Cygwin doesn't define these */
-#define _WIN32 1
-#define _WIN32_WINNT 0x0500     /* admit to using >= Win2K */
-
-#define HAVE_WINDOWS_PATHS      /* needed by simulator */
-
-/*
- * What CPU architecture does this platform use?
- */
-#define ARCH_X86
-
-/*
- * sprintf() format string for shared library naming.
- */
-#define OS_SHARED_LIB_FORMAT_STR    "lib%s.dll"
-
-/*
- * type for the third argument to mincore().
- */
-#define MINCORE_POINTER_TYPE unsigned char *
-
-/*
- * The default path separator for the platform
- */
-#define OS_PATH_SEPARATOR '\\'
-
-/*
- * Is the filesystem case sensitive?
- */
-/* #define OS_CASE_SENSITIVE */
-
-/*
- * Define if <sys/socket.h> exists.
- * Cygwin has it, but not MinGW.
- */
-#ifdef USE_MINGW
-/* #define HAVE_SYS_SOCKET_H */
-#else
-#define HAVE_SYS_SOCKET_H 1
-#endif
-
-/*
- * Define if the strlcpy() function exists on the system.
- */
-/* #define HAVE_STRLCPY 1 */
-
-/*
- * Define if the open_memstream() function exists on the system.
- */
-/* #define HAVE_OPEN_MEMSTREAM 1 */
-
-/*
- * Define if the BSD funopen() function exists on the system.
- */
-/* #define HAVE_FUNOPEN 1 */
-
-/*
- * Define if <winsock2.h> exists.
- * Only MinGW has it.
- */
-#ifdef USE_MINGW
-#define HAVE_WINSOCK2_H 1
-#else
-/* #define HAVE_WINSOCK2_H */
-#endif
-
-/*
- * Various definitions missing in MinGW
- */
-#ifdef USE_MINGW
-#define S_IRGRP 0
-#endif
-
-/*
- * Define if writev() exists.
- */
-/* #define HAVE_WRITEV */
-
-/*
- * Define if <stdint.h> exists.
- */
-/* #define HAVE_STDINT_H */
-
-/*
- * Define if <stdbool.h> exists.
- */
-#define HAVE_STDBOOL_H
-
-/*
- * Define if <sched.h> exists.
- */
-/* #define HAVE_SCHED_H */
-
-/*
- * Define if pread() exists
- */
-/* #define HAVE_PREAD 1 */
-
-/*
- * Define if we have st_mtim in struct stat
- */
-/* #define HAVE_STAT_ST_MTIM 1 */
-
-/*
- * Define if printf() supports %zd for size_t arguments
- */
-/* #define HAVE_PRINTF_ZD 1 */
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
- */
-#define HAVE_BSD_QSORT_R 0
-
-/*
- * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
- */
-#define HAVE_GNU_QSORT_R 0
-
-#endif /*_ANDROID_CONFIG_H*/
diff --git a/core/combo/javac.mk b/core/combo/javac.mk
index 7f91aa9dd..7f66ea83a 100644
--- a/core/combo/javac.mk
+++ b/core/combo/javac.mk
@@ -9,12 +9,13 @@
 #   COMMON_JAVAC -- Java compiler command with common arguments
 #
 
-ifneq ($(LEGACY_USE_JAVA6),)
-common_jdk_flags := -target 1.5 -Xmaxerrs 9999999
-else
-common_jdk_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999
+ifndef ANDROID_COMPILE_WITH_JACK
+# Defines if compilation with jack is enabled by default.
+ANDROID_COMPILE_WITH_JACK := true
 endif
 
+common_jdk_flags := -Xmaxerrs 9999999
+
 # Use the indexer wrapper to index the codebase instead of the javac compiler
 ifeq ($(ALTERNATE_JAVAC),)
 JAVACC := javac
@@ -30,12 +31,7 @@ ifdef JAVAC_WRAPPER
 endif
 
 # Whatever compiler is on this system.
-ifeq ($(BUILD_OS), windows)
-    COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \
-        $(common_jdk_flags)
-else
-    COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_jdk_flags)
-endif
+COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_jdk_flags)
 
 # Eclipse.
 ifeq ($(CUSTOM_JAVA_COMPILER), eclipse)
@@ -44,6 +40,8 @@ ifeq ($(CUSTOM_JAVA_COMPILER), eclipse)
     $(info CUSTOM_JAVA_COMPILER=eclipse)
 endif
 
+GLOBAL_JAVAC_DEBUG_FLAGS := -g
+
 HOST_JAVAC ?= $(COMMON_JAVAC)
 TARGET_JAVAC ?= $(COMMON_JAVAC)
 
diff --git a/core/combo/mac_version.mk b/core/combo/mac_version.mk
index 6defba79e..8fa08c6e6 100644
--- a/core/combo/mac_version.mk
+++ b/core/combo/mac_version.mk
@@ -9,7 +9,7 @@ ifndef build_mac_version
 
 build_mac_version := $(shell sw_vers -productVersion)
 
-mac_sdk_versions_supported :=  10.6 10.7 10.8 10.9
+mac_sdk_versions_supported :=  10.8 10.9 10.10 10.11 10.12
 ifneq ($(strip $(MAC_SDK_VERSION)),)
 mac_sdk_version := $(MAC_SDK_VERSION)
 ifeq ($(filter $(mac_sdk_version),$(mac_sdk_versions_supported)),)
@@ -19,10 +19,11 @@ $(warning ****************************************************************)
 $(error Stop.)
 endif
 else
-mac_sdk_versions_installed := $(shell xcodebuild -showsdks | grep macosx | sort | sed -e "s/.*macosx//g")
+mac_sdk_versions_installed := $(shell xcodebuild -showsdks | grep macosx | sed -e "s/.*macosx//g")
 mac_sdk_version := $(firstword $(filter $(mac_sdk_versions_installed), $(mac_sdk_versions_supported)))
 ifeq ($(mac_sdk_version),)
 mac_sdk_version := $(firstword $(mac_sdk_versions_supported))
+$(warning none of the installed SDKs ($mac_sdk_versions_installed) match supported versions ($(mac_sdk_versions_supported)), trying $(mac_sdk_version))
 endif
 endif
 
@@ -32,6 +33,7 @@ mac_sdk_path := $(shell xcode-select -print-path)
 mac_sdk_root := $(mac_sdk_path)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX$(mac_sdk_version).sdk
 ifeq ($(wildcard $(mac_sdk_root)),)
 # try legacy /Developer/SDKs/MacOSX10.?.sdk
+$(warning no SDK $(mac_sdk_version) at $(mac_sdk_root), trying legacy dir)
 mac_sdk_root := /Developer/SDKs/MacOSX$(mac_sdk_version).sdk
 endif
 ifeq ($(wildcard $(mac_sdk_root)),)
diff --git a/core/combo/select.mk b/core/combo/select.mk
index d495c6ff1..97d62c684 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -33,25 +33,9 @@ $(combo_var_prefix)CXX := $(CXX)
 $(combo_var_prefix)AR := $(AR)
 $(combo_var_prefix)STRIP := $(STRIP)
 
-$(combo_var_prefix)BINDER_MINI := 0
-
-$(combo_var_prefix)HAVE_EXCEPTIONS := 0
-$(combo_var_prefix)HAVE_UNIX_FILE_PATH := 1
-$(combo_var_prefix)HAVE_WINDOWS_FILE_PATH := 0
-$(combo_var_prefix)HAVE_RTTI := 1
-$(combo_var_prefix)HAVE_CALL_STACKS := 1
-$(combo_var_prefix)HAVE_64BIT_IO := 1
-$(combo_var_prefix)HAVE_CLOCK_TIMERS := 1
-$(combo_var_prefix)HAVE_PTHREAD_RWLOCK := 1
-$(combo_var_prefix)HAVE_STRNLEN := 1
-$(combo_var_prefix)HAVE_STRERROR_R_STRRET := 1
-$(combo_var_prefix)HAVE_STRLCPY := 0
-$(combo_var_prefix)HAVE_STRLCAT := 0
-$(combo_var_prefix)HAVE_KERNEL_MODULES := 0
-
-$(combo_var_prefix)GLOBAL_CFLAGS := -fno-exceptions -Wno-multichar
-$(combo_var_prefix)RELEASE_CFLAGS := -O2 -g -fno-strict-aliasing
-$(combo_var_prefix)GLOBAL_CPPFLAGS :=
+$(combo_var_prefix)GLOBAL_CFLAGS := -fno-exceptions -Wno-multichar $(BOARD_GLOBAL_CFLAGS)
+$(combo_var_prefix)RELEASE_CFLAGS := -O2 -g -fno-strict-aliasing $(BOARD_RELEASE_CFLAGS)
+$(combo_var_prefix)GLOBAL_CPPFLAGS := $(BOARD_GLOBAL_CPPFLAGS)
 $(combo_var_prefix)GLOBAL_LDFLAGS :=
 $(combo_var_prefix)GLOBAL_ARFLAGS := crsPD
 $(combo_var_prefix)GLOBAL_LD_DIRS :=
@@ -63,57 +47,3 @@ $(combo_var_prefix)STATIC_LIB_SUFFIX := .a
 
 # Now include the combo for this specific target.
 include $(BUILD_COMBOS)/$(combo_target)$(combo_os_arch).mk
-
-ifneq ($(USE_CCACHE),)
-  # The default check uses size and modification time, causing false misses
-  # since the mtime depends when the repo was checked out
-  export CCACHE_COMPILERCHECK := content
-
-  # See man page, optimizations to get more cache hits
-  # implies that __DATE__ and __TIME__ are not critical for functionality.
-  # Ignore include file modification time since it will depend on when
-  # the repo was checked out
-  export CCACHE_SLOPPINESS := time_macros,include_file_mtime,file_macro
-
-  # Turn all preprocessor absolute paths into relative paths.
-  # Fixes absolute paths in preprocessed source due to use of -g.
-  # We don't really use system headers much so the rootdir is
-  # fine; ensures these paths are relative for all Android trees
-  # on a workstation.
-  export CCACHE_BASEDIR := /
-
-  # Workaround for ccache with clang.
-  # See http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
-  export CCACHE_CPP2 := true
-
-  CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG)
-  # If we are cross-compiling Windows binaries on Linux
-  # then use the linux ccache binary instead.
-  ifeq ($(HOST_OS)-$(BUILD_OS),windows-linux)
-    CCACHE_HOST_TAG := linux-$(HOST_PREBUILT_ARCH)
-  endif
-  ccache := prebuilts/misc/$(CCACHE_HOST_TAG)/ccache/ccache
-  # Check that the executable is here.
-  ccache := $(strip $(wildcard $(ccache)))
-  ifdef ccache
-    ifndef CC_WRAPPER
-      CC_WRAPPER := $(ccache)
-    endif
-    ifndef CXX_WRAPPER
-      CXX_WRAPPER := $(ccache)
-    endif
-    ccache =
-  endif
-endif
-
-# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
-ifdef CC_WRAPPER
-  ifneq ($(CC_WRAPPER),$(firstword $($(combo_var_prefix)CC)))
-    $(combo_var_prefix)CC := $(CC_WRAPPER) $($(combo_var_prefix)CC)
-  endif
-endif
-ifdef CXX_WRAPPER
-  ifneq ($(CXX_WRAPPER),$(firstword $($(combo_var_prefix)CXX)))
-    $(combo_var_prefix)CXX := $(CXX_WRAPPER) $($(combo_var_prefix)CXX)
-  endif
-endif
diff --git a/core/config.mk b/core/config.mk
index bfa5610dd..5ca6a9add 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -3,6 +3,24 @@
 # current configuration and platform, which
 # are not specific to what is being built.
 
+# These may be used to trace makefile issues without interfering with
+# envsetup.sh.  Usage:
+#   $(call ainfo,some info message)
+#   $(call aerror,some error message)
+ifdef CALLED_FROM_SETUP
+define ainfo
+endef
+define aerror
+endef
+else
+define ainfo
+$(info $(1))
+endef
+define aerror
+$(error $(1))
+endef
+endif
+
 # Only use ANDROID_BUILD_SHELL to wrap around bash.
 # DO NOT use other shells such as zsh.
 ifdef ANDROID_BUILD_SHELL
@@ -22,6 +40,10 @@ comma := ,
 define newline
 
 
+endef
+# The pound character "#"
+define pound
+#
 endef
 # Unfortunately you can't simply define backslash as \ or \\.
 backslash := \a
@@ -31,6 +53,11 @@ backslash := $(patsubst %a,%,$(backslash))
 # only has an effect on python 2.6 and above.
 export PYTHONDONTWRITEBYTECODE := 1
 
+ifneq ($(filter --color=always, $(GREP_OPTIONS)),)
+$(warning The build system needs unmodified output of grep.)
+$(error Please remove --color=always from your  $$GREP_OPTIONS)
+endif
+
 # Standard source directories.
 SRC_DOCS:= $(TOPDIR)docs
 # TODO: Enforce some kind of layering; only add include paths
@@ -38,9 +65,9 @@ SRC_DOCS:= $(TOPDIR)docs
 # TODO: See if we can remove most of these from the global list.
 SRC_HEADERS := \
 	$(TOPDIR)system/core/include \
+	$(TOPDIR)system/media/audio/include \
 	$(TOPDIR)hardware/libhardware/include \
 	$(TOPDIR)hardware/libhardware_legacy/include \
-	$(TOPDIR)hardware/ril/include \
 	$(TOPDIR)libnativehelper/include \
 	$(TOPDIR)frameworks/native/include \
 	$(TOPDIR)frameworks/native/opengl/include \
@@ -52,6 +79,7 @@ SRC_SERVERS:= $(TOPDIR)servers
 SRC_TARGET_DIR := $(TOPDIR)build/target
 SRC_API_DIR := $(TOPDIR)prebuilts/sdk/api
 SRC_SYSTEM_API_DIR := $(TOPDIR)prebuilts/sdk/system-api
+SRC_TEST_API_DIR := $(TOPDIR)prebuilts/sdk/test-api
 
 # Some specific paths to tools
 SRC_DROIDDOC_DIR := $(TOPDIR)build/tools/droiddoc
@@ -69,13 +97,12 @@ CLEAR_VARS:= $(BUILD_SYSTEM)/clear_vars.mk
 BUILD_HOST_STATIC_LIBRARY:= $(BUILD_SYSTEM)/host_static_library.mk
 BUILD_HOST_SHARED_LIBRARY:= $(BUILD_SYSTEM)/host_shared_library.mk
 BUILD_STATIC_LIBRARY:= $(BUILD_SYSTEM)/static_library.mk
-BUILD_RAW_STATIC_LIBRARY := $(BUILD_SYSTEM)/raw_static_library.mk
 BUILD_SHARED_LIBRARY:= $(BUILD_SYSTEM)/shared_library.mk
 BUILD_EXECUTABLE:= $(BUILD_SYSTEM)/executable.mk
-BUILD_RAW_EXECUTABLE:= $(BUILD_SYSTEM)/raw_executable.mk
 BUILD_HOST_EXECUTABLE:= $(BUILD_SYSTEM)/host_executable.mk
 BUILD_PACKAGE:= $(BUILD_SYSTEM)/package.mk
 BUILD_PHONY_PACKAGE:= $(BUILD_SYSTEM)/phony_package.mk
+BUILD_RRO_PACKAGE:= $(BUILD_SYSTEM)/build_rro_package.mk
 BUILD_HOST_PREBUILT:= $(BUILD_SYSTEM)/host_prebuilt.mk
 BUILD_PREBUILT:= $(BUILD_SYSTEM)/prebuilt.mk
 BUILD_MULTI_PREBUILT:= $(BUILD_SYSTEM)/multi_prebuilt.mk
@@ -85,7 +112,10 @@ BUILD_HOST_JAVA_LIBRARY:= $(BUILD_SYSTEM)/host_java_library.mk
 BUILD_DROIDDOC:= $(BUILD_SYSTEM)/droiddoc.mk
 BUILD_COPY_HEADERS := $(BUILD_SYSTEM)/copy_headers.mk
 BUILD_NATIVE_TEST := $(BUILD_SYSTEM)/native_test.mk
+BUILD_NATIVE_BENCHMARK := $(BUILD_SYSTEM)/native_benchmark.mk
 BUILD_HOST_NATIVE_TEST := $(BUILD_SYSTEM)/host_native_test.mk
+BUILD_FUZZ_TEST := $(BUILD_SYSTEM)/fuzz_test.mk
+BUILD_HOST_FUZZ_TEST := $(BUILD_SYSTEM)/host_fuzz_test.mk
 
 BUILD_SHARED_TEST_LIBRARY := $(BUILD_SYSTEM)/shared_test_lib.mk
 BUILD_HOST_SHARED_TEST_LIBRARY := $(BUILD_SYSTEM)/host_shared_test_lib.mk
@@ -97,8 +127,6 @@ BUILD_HOST_DALVIK_JAVA_LIBRARY := $(BUILD_SYSTEM)/host_dalvik_java_library.mk
 BUILD_HOST_DALVIK_STATIC_JAVA_LIBRARY := $(BUILD_SYSTEM)/host_dalvik_static_java_library.mk
 
 
--include cts/build/config.mk
-
 # ###############################################################
 # Parse out any modifier targets.
 # ###############################################################
@@ -107,29 +135,32 @@ BUILD_HOST_DALVIK_STATIC_JAVA_LIBRARY := $(BUILD_SYSTEM)/host_dalvik_static_java
 # lines being executed, instead of a short message about
 # the kind of operation being done.
 SHOW_COMMANDS:= $(filter showcommands,$(MAKECMDGOALS))
+hide := $(if $(SHOW_COMMANDS),,@)
 
+################################################################
+# Tools needed in product configuration makefiles.
+################################################################
+NORMALIZE_PATH := build/tools/normalize_path.py
+
+# $(1): the paths to be normalized
+define normalize-paths
+$(if $(1),$(shell $(NORMALIZE_PATH) $(1)))
+endef
 
 # ###############################################################
 # Set common values
 # ###############################################################
 
-# These can be changed to modify both host and device modules.
-COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith
-COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG
-
-COMMON_GLOBAL_CPPFLAGS:= $(COMMON_GLOBAL_CFLAGS) -Wsign-promo
-COMMON_RELEASE_CPPFLAGS:= $(COMMON_RELEASE_CFLAGS)
-
 # Set the extensions used for various packages
 COMMON_PACKAGE_SUFFIX := .zip
 COMMON_JAVA_PACKAGE_SUFFIX := .jar
 COMMON_ANDROID_PACKAGE_SUFFIX := .apk
 
-# list of flags to turn specific warnings in to errors
-TARGET_ERROR_FLAGS := -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point
-
-# TODO: do symbol compression
-TARGET_COMPRESS_MODULE_SYMBOLS := false
+ifdef TMPDIR
+JAVA_TMPDIR_ARG := -Djava.io.tmpdir=$(TMPDIR)
+else
+JAVA_TMPDIR_ARG :=
+endif
 
 # ###############################################################
 # Include sub-configuration files
@@ -150,6 +181,17 @@ endif
 # are specific to the user's build configuration.
 include $(BUILD_SYSTEM)/envsetup.mk
 
+# Pruned directory options used when using findleaves.py
+# See envsetup.mk for a description of SCAN_EXCLUDE_DIRS
+FIND_LEAVES_EXCLUDES := $(addprefix --prune=, $(OUT_DIR) $(SCAN_EXCLUDE_DIRS) .repo .git)
+
+# General entries for project pathmap.  Any entries listed here should
+# be device and hardware independent.
+$(call project-set-path-variant,recovery,RECOVERY_VARIANT,bootable/recovery)
+
+-include vendor/extra/BoardConfigExtra.mk
+-include vendor/cm/config/BoardConfigCM.mk
+
 # The build system exposes several variables for where to find the kernel
 # headers:
 #   TARGET_DEVICE_KERNEL_HEADERS is automatically created for the current
@@ -216,9 +258,16 @@ ifeq ($(TARGET_CPU_ABI),)
 endif
 TARGET_CPU_ABI2 := $(strip $(TARGET_CPU_ABI2))
 
-# $(1): os/arch
-define select-android-config-h
-build/core/combo/include/arch/$(1)/AndroidConfig.h
+# Commands to generate .toc file common to ELF .so files.
+define _gen_toc_command_for_elf
+$(hide) ($($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)READELF) -d $(1) | grep SONAME || echo "No SONAME for $1") > $(2)
+$(hide) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)READELF) --dyn-syms $(1) | awk '{$$2=""; $$3=""; print}' >> $(2)
+endef
+
+# Commands to generate .toc file from Darwin dynamic library.
+define _gen_toc_command_for_macho
+$(hide) otool -l $(1) | grep LC_ID_DYLIB -A 5 > $(2)
+$(hide) nm -gP $(1) | cut -f1-2 -d" " | grep -v U$$ >> $(2)
 endef
 
 combo_target := HOST_
@@ -232,6 +281,19 @@ combo_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX)
 include $(BUILD_SYSTEM)/combo/select.mk
 endif
 
+# Load the windows cross compiler under Linux
+ifdef HOST_CROSS_OS
+combo_target := HOST_CROSS_
+combo_2nd_arch_prefix :=
+include $(BUILD_SYSTEM)/combo/select.mk
+
+ifdef HOST_CROSS_2ND_ARCH
+combo_target := HOST_CROSS_
+combo_2nd_arch_prefix := $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)
+include $(BUILD_SYSTEM)/combo/select.mk
+endif
+endif
+
 # on windows, the tools have .exe at the end, and we depend on the
 # host config stuff being done first
 
@@ -246,6 +308,9 @@ combo_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
 include $(BUILD_SYSTEM)/combo/select.mk
 endif
 
+include $(BUILD_SYSTEM)/ccache.mk
+include $(BUILD_SYSTEM)/goma.mk
+
 ifdef TARGET_PREFER_32_BIT
 TARGET_PREFER_32_BIT_APPS := true
 TARGET_PREFER_32_BIT_EXECUTABLES := true
@@ -315,20 +380,18 @@ ifeq ($(strip $(WITH_SYNTAX_CHECK)),0)
   WITH_SYNTAX_CHECK :=
 endif
 
+# define clang/llvm versions and base directory.
+include $(BUILD_SYSTEM)/clang/versions.mk
+
 # Disable WITH_STATIC_ANALYZER and WITH_SYNTAX_CHECK if tool can't be found
-SYNTAX_TOOLS_PREFIX := prebuilts/misc/$(HOST_PREBUILT_TAG)/analyzer/bin
+SYNTAX_TOOLS_PREFIX := \
+    $(LLVM_PREBUILTS_BASE)/$(BUILD_OS)-x86/$(LLVM_PREBUILTS_VERSION)/tools/scan-build/libexec
 ifneq ($(strip $(WITH_STATIC_ANALYZER)),)
   ifeq ($(wildcard $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer),)
     $(warning *** Disable WITH_STATIC_ANALYZER because $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer does not exist)
     WITH_STATIC_ANALYZER :=
   endif
 endif
-ifneq ($(strip $(WITH_SYNTAX_CHECK)),)
-  ifeq ($(wildcard $(SYNTAX_TOOLS_PREFIX)/ccc-syntax),)
-    $(warning *** Disable WITH_SYNTAX_CHECK because $(SYNTAX_TOOLS_PREFIX)/ccc-syntax does not exist)
-    WITH_SYNTAX_CHECK :=
-  endif
-endif
 
 # WITH_STATIC_ANALYZER trumps WITH_SYNTAX_CHECK
 ifneq ($(strip $(WITH_STATIC_ANALYZER)),)
@@ -362,11 +425,110 @@ endif
 endif
 endif
 
+# Set up PDK so we can use TARGET_BUILD_PDK to select prebuilt tools below
+.PHONY: pdk fusion
+pdk fusion: $(DEFAULT_GOAL)
+
+# What to build:
+# pdk fusion if:
+# 1) PDK_FUSION_PLATFORM_ZIP is passed in from the environment
+# or
+# 2) the platform.zip exists in the default location
+# or
+# 3) fusion is a command line build goal,
+#    PDK_FUSION_PLATFORM_ZIP is needed anyway, then do we need the 'fusion' goal?
+# otherwise pdk only if:
+# 1) pdk is a command line build goal
+# or
+# 2) TARGET_BUILD_PDK is passed in from the environment
+
+# if PDK_FUSION_PLATFORM_ZIP is specified, do not override.
+ifndef PDK_FUSION_PLATFORM_ZIP
+# Most PDK project paths should be using vendor/pdk/TARGET_DEVICE
+# but some legacy ones (e.g. mini_armv7a_neon generic PDK) were setup
+# with vendor/pdk/TARGET_PRODUCT.
+_pdk_fusion_default_platform_zip = $(strip \
+  $(wildcard vendor/pdk/$(TARGET_DEVICE)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
+  $(wildcard vendor/pdk/$(TARGET_DEVICE)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
+  $(wildcard vendor/pdk/$(TARGET_PRODUCT)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
+  $(wildcard vendor/pdk/$(TARGET_PRODUCT)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip))
+ifneq (,$(_pdk_fusion_default_platform_zip))
+PDK_FUSION_PLATFORM_ZIP := $(word 1, $(_pdk_fusion_default_platform_zip))
+TARGET_BUILD_PDK := true
+endif # _pdk_fusion_default_platform_zip
+endif # !PDK_FUSION_PLATFORM_ZIP
+
+ifneq (,$(filter pdk fusion, $(MAKECMDGOALS)))
+TARGET_BUILD_PDK := true
+ifneq (,$(filter fusion, $(MAKECMDGOALS)))
+ifndef PDK_FUSION_PLATFORM_ZIP
+  $(error Specify PDK_FUSION_PLATFORM_ZIP to do a PDK fusion.)
+endif
+endif  # fusion
+endif  # pdk or fusion
+
+ifdef PDK_FUSION_PLATFORM_ZIP
+TARGET_BUILD_PDK := true
+ifeq (,$(wildcard $(PDK_FUSION_PLATFORM_ZIP)))
+  $(error Cannot find file $(PDK_FUSION_PLATFORM_ZIP).)
+endif
+endif
+
+BUILD_PLATFORM_ZIP := $(filter platform platform-java,$(MAKECMDGOALS))
+
+#
+# Tools that are prebuilts for TARGET_BUILD_APPS
+#
+
+ACP := $(HOST_OUT_EXECUTABLES)/acp
+AIDL := $(HOST_OUT_EXECUTABLES)/aidl
+AAPT := $(HOST_OUT_EXECUTABLES)/aapt
+AAPT2 := $(HOST_OUT_EXECUTABLES)/aapt2
+ZIPALIGN := $(HOST_OUT_EXECUTABLES)/zipalign
+SIGNAPK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
+SIGNAPK_JNI_LIBRARY_PATH := $(HOST_OUT_SHARED_LIBRARIES)
+LLVM_RS_CC := $(HOST_OUT_EXECUTABLES)/llvm-rs-cc
+BCC_COMPAT := $(HOST_OUT_EXECUTABLES)/bcc_compat
+
+DX := $(HOST_OUT_EXECUTABLES)/dx
+MAINDEXCLASSES := $(HOST_OUT_EXECUTABLES)/mainDexClasses
+
+USE_PREBUILT_SDK_TOOLS_IN_PLACE := true
+
+# Override the definitions above for unbundled and PDK builds
+ifneq (,$(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)))
+prebuilt_sdk_tools := prebuilts/sdk/tools
+prebuilt_sdk_tools_bin := $(prebuilt_sdk_tools)/$(HOST_OS)/bin
+
+ACP := $(prebuilt_sdk_tools_bin)/acp
+AIDL := $(prebuilt_sdk_tools_bin)/aidl
+AAPT := $(prebuilt_sdk_tools_bin)/aapt
+AAPT2 := $(prebuilt_sdk_tools_bin)/aapt2
+ZIPALIGN := $(prebuilt_sdk_tools_bin)/zipalign
+SIGNAPK_JAR := $(prebuilt_sdk_tools)/lib/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
+# Use 64-bit libraries unconditionally because 32-bit JVMs are no longer supported
+SIGNAPK_JNI_LIBRARY_PATH := $(prebuilt_sdk_tools)/$(HOST_OS)/lib64
+
+DX := $(prebuilt_sdk_tools)/dx
+MAINDEXCLASSES := $(prebuilt_sdk_tools)/mainDexClasses
+
+# Don't use prebuilts in PDK
+ifneq ($(TARGET_BUILD_PDK),true)
+LLVM_RS_CC := $(prebuilt_sdk_tools_bin)/llvm-rs-cc
+BCC_COMPAT := $(prebuilt_sdk_tools_bin)/bcc_compat
+endif # TARGET_BUILD_PDK
+endif # TARGET_BUILD_APPS || TARGET_BUILD_PDK
+
 
 # ---------------------------------------------------------------
 # Generic tools.
+JACK := $(HOST_OUT_EXECUTABLES)/jack
 
+ifeq ($(USE_HOST_LEX),yes)
+LEX := flex
+else
 LEX := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/flex/flex-2.5.39
+endif
 # The default PKGDATADIR built in the prebuilt bison is a relative path
 # external/bison/data.
 # To run bison from elsewhere you need to set up enviromental variable
@@ -378,10 +540,16 @@ YACC := $(BISON) -d
 YASM := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/yasm/yasm
 
 DOXYGEN:= doxygen
-AAPT := $(HOST_OUT_EXECUTABLES)/aapt$(HOST_EXECUTABLE_SUFFIX)
-AIDL := $(HOST_OUT_EXECUTABLES)/aidl$(HOST_EXECUTABLE_SUFFIX)
+AIDL_CPP := $(HOST_OUT_EXECUTABLES)/aidl-cpp$(HOST_EXECUTABLE_SUFFIX)
+ifeq ($(HOST_OS),linux)
+BREAKPAD_DUMP_SYMS := $(HOST_OUT_EXECUTABLES)/dump_syms
+else
+# For non-supported hosts, do not generate breakpad symbols.
+BREAKPAD_GENERATE_SYMBOLS := false
+endif
 PROTOC := $(HOST_OUT_EXECUTABLES)/aprotoc$(HOST_EXECUTABLE_SUFFIX)
-SIGNAPK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
+VTSC := $(HOST_OUT_EXECUTABLES)/vtsc$(HOST_EXECUTABLE_SUFFIX)
+DBUS_GENERATOR := $(HOST_OUT_EXECUTABLES)/dbus-binding-generator
 MKBOOTFS := $(HOST_OUT_EXECUTABLES)/mkbootfs$(HOST_EXECUTABLE_SUFFIX)
 MINIGZIP := $(HOST_OUT_EXECUTABLES)/minigzip$(HOST_EXECUTABLE_SUFFIX)
 ifeq (,$(strip $(BOARD_CUSTOM_MKBOOTIMG)))
@@ -391,36 +559,60 @@ MKBOOTIMG := $(BOARD_CUSTOM_MKBOOTIMG)
 endif
 MKYAFFS2 := $(HOST_OUT_EXECUTABLES)/mkyaffs2image$(HOST_EXECUTABLE_SUFFIX)
 APICHECK := $(HOST_OUT_EXECUTABLES)/apicheck$(HOST_EXECUTABLE_SUFFIX)
+MKIMAGE :=  $(HOST_OUT_EXECUTABLES)/mkimage$(HOST_EXECUTABLE_SUFFIX)
 FS_GET_STATS := $(HOST_OUT_EXECUTABLES)/fs_get_stats$(HOST_EXECUTABLE_SUFFIX)
-MKEXT2IMG := $(HOST_OUT_EXECUTABLES)/genext2fs$(HOST_EXECUTABLE_SUFFIX)
 MAKE_EXT4FS := $(HOST_OUT_EXECUTABLES)/make_ext4fs$(HOST_EXECUTABLE_SUFFIX)
+BLK_ALLOC_TO_BASE_FS := $(HOST_OUT_EXECUTABLES)/blk_alloc_to_base_fs$(HOST_EXECUTABLE_SUFFIX)
 MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg.sh
+MAKE_SQUASHFS := $(HOST_OUT_EXECUTABLES)/mksquashfs$(HOST_EXECUTABLE_SUFFIX)
+MKSQUASHFSUSERIMG := $(HOST_OUT_EXECUTABLES)/mksquashfsimage.sh
 MAKE_F2FS := $(HOST_OUT_EXECUTABLES)/make_f2fs$(HOST_EXECUTABLE_SUFFIX)
 MKF2FSUSERIMG := $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg.sh
-MKEXT2BOOTIMG := external/genext2fs/mkbootimg_ext2.sh
 SIMG2IMG := $(HOST_OUT_EXECUTABLES)/simg2img$(HOST_EXECUTABLE_SUFFIX)
+IMG2SIMG := $(HOST_OUT_EXECUTABLES)/img2simg$(HOST_EXECUTABLE_SUFFIX)
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 MKTARBALL := build/tools/mktarball.sh
 TUNE2FS := $(HOST_OUT_EXECUTABLES)/tune2fs$(HOST_EXECUTABLE_SUFFIX)
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 JARJAR := $(HOST_OUT_JAVA_LIBRARIES)/jarjar.jar
+DATA_BINDING_COMPILER := $(HOST_OUT_JAVA_LIBRARIES)/databinding-compiler.jar
+
+ifeq ($(ANDROID_COMPILE_WITH_JACK),true)
+DEFAULT_JACK_ENABLED:=full
+else
+DEFAULT_JACK_ENABLED:=
+endif
+ifneq ($(ANDROID_JACK_EXTRA_ARGS),)
+DEFAULT_JACK_EXTRA_ARGS := $(ANDROID_JACK_EXTRA_ARGS)
+else
+DEFAULT_JACK_EXTRA_ARGS := @$(BUILD_SYSTEM)/jack-default.args
+endif
+# Turn off jack warnings by default.
+DEFAULT_JACK_EXTRA_ARGS += --verbose error
+
 PROGUARD := external/proguard/bin/proguard.sh
 JAVATAGS := build/tools/java-event-log-tags.py
-LLVM_RS_CC := $(HOST_OUT_EXECUTABLES)/llvm-rs-cc$(HOST_EXECUTABLE_SUFFIX)
-BCC_COMPAT := $(HOST_OUT_EXECUTABLES)/bcc_compat$(HOST_EXECUTABLE_SUFFIX)
-LINT := prebuilts/sdk/tools/lint
 RMTYPEDEFS := $(HOST_OUT_EXECUTABLES)/rmtypedefs
 APPEND2SIMG := $(HOST_OUT_EXECUTABLES)/append2simg
 VERITY_SIGNER := $(HOST_OUT_EXECUTABLES)/verity_signer
 BUILD_VERITY_TREE := $(HOST_OUT_EXECUTABLES)/build_verity_tree
 BOOT_SIGNER := $(HOST_OUT_EXECUTABLES)/boot_signer
+FUTILITY := $(HOST_OUT_EXECUTABLES)/futility-host
+VBOOT_SIGNER := prebuilts/misc/scripts/vboot_signer/vboot_signer.sh
+FEC := $(HOST_OUT_EXECUTABLES)/fec
 
-# ACP is always for the build OS, not for the host OS
-ACP := $(BUILD_OUT_EXECUTABLES)/acp$(BUILD_EXECUTABLE_SUFFIX)
+ifndef TARGET_BUILD_APPS
+ZIPTIME := $(HOST_OUT_EXECUTABLES)/ziptime$(HOST_EXECUTABLE_SUFFIX)
+endif
+
+# ijar converts a .jar file to a smaller .jar file which only has its
+# interfaces.
+IJAR := $(HOST_OUT_EXECUTABLES)/ijar$(BUILD_EXECUTABLE_SUFFIX)
+DEXDUMP := $(HOST_OUT_EXECUTABLES)/dexdump2$(BUILD_EXECUTABLE_SUFFIX)
+
+# relocation packer
+RELOCATION_PACKER := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/relocation_packer/relocation_packer
 
-# dx is java behind a shell script; no .exe necessary.
-DX := $(HOST_OUT_EXECUTABLES)/dx
-ZIPALIGN := $(HOST_OUT_EXECUTABLES)/zipalign$(HOST_EXECUTABLE_SUFFIX)
 FINDBUGS_DIR := external/owasp/sanitizer/tools/findbugs/bin
 FINDBUGS := $(FINDBUGS_DIR)/findbugs
 EMMA_JAR := external/emma/lib/emma$(COMMON_JAVA_PACKAGE_SUFFIX)
@@ -428,30 +620,15 @@ EMMA_JAR := external/emma/lib/emma$(COMMON_JAVA_PACKAGE_SUFFIX)
 # Tool to merge AndroidManifest.xmls
 ANDROID_MANIFEST_MERGER := java -classpath prebuilts/devtools/tools/lib/manifest-merger.jar com.android.manifmerger.Main merge
 
-YACC_HEADER_SUFFIX:= .hpp
-
-# Don't use column under Windows, cygwin or not
-ifeq ($(HOST_OS),windows)
-COLUMN:= cat
-else
 COLUMN:= column
-endif
 
-ifeq ($(HOST_OS),darwin)
-ifeq ($(LEGACY_USE_JAVA6),)
+# We may not have the right JAVA_HOME/PATH set up yet when this is run from envsetup.sh.
+ifneq ($(CALLED_FROM_SETUP),true)
 HOST_JDK_TOOLS_JAR:= $(shell $(BUILD_SYSTEM)/find-jdk-tools-jar.sh)
-else
-# Deliberately set to blank for Java 6 installations on MacOS. These
-# versions allegedly use a non-standard directory structure.
-HOST_JDK_TOOLS_JAR :=
-endif
-else
-HOST_JDK_TOOLS_JAR:= $(shell $(BUILD_SYSTEM)/find-jdk-tools-jar.sh)
-endif
 
 ifneq ($(HOST_JDK_TOOLS_JAR),)
 ifeq ($(wildcard $(HOST_JDK_TOOLS_JAR)),)
-$(error Error: could not find jdk tools.jar, please check if your JDK was installed correctly)
+$(error Error: could not find jdk tools.jar at $(HOST_JDK_TOOLS_JAR), please check if your JDK was installed correctly)
 endif
 endif
 
@@ -460,6 +637,7 @@ HOST_JDK_IS_64BIT_VERSION :=
 ifneq ($(filter 64-Bit, $(shell java -version 2>&1)),)
 HOST_JDK_IS_64BIT_VERSION := true
 endif
+endif  # CALLED_FROM_SETUP not true
 
 # It's called md5 on Mac OS and md5sum on Linux
 ifeq ($(HOST_OS),darwin)
@@ -480,10 +658,77 @@ else
   DEFAULT_SYSTEM_DEV_CERTIFICATE := build/target/product/security/testkey
 endif
 
+# Rules for QCOM targets
+include vendor/cm/build/core/qcom_target.mk
+
+# Rules for MTK targets
+include vendor/cm/build/core/mtk_target.mk
+
 # ###############################################################
 # Set up final options.
 # ###############################################################
 
+ifneq ($(COMMON_GLOBAL_CFLAGS)$(COMMON_GLOBAL_CPPFLAGS),)
+$(warning COMMON_GLOBAL_C(PP)FLAGS changed)
+$(info *** Device configurations are no longer allowed to change the global flags.)
+$(info *** COMMON_GLOBAL_CFLAGS: $(COMMON_GLOBAL_CFLAGS))
+$(info *** COMMON_GLOBAL_CPPFLAGS: $(COMMON_GLOBAL_CPPFLAGS))
+$(error bailing...)
+endif
+
+# These can be changed to modify both host and device modules.
+COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith
+COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG
+
+# Force gcc to always output color diagnostics.  Ninja will strip the ANSI
+# color codes if it is not running in a terminal.
+ifdef BUILDING_WITH_NINJA
+COMMON_GLOBAL_CFLAGS += -fdiagnostics-color
+endif
+
+COMMON_GLOBAL_CPPFLAGS:= -Wsign-promo
+COMMON_RELEASE_CPPFLAGS:=
+
+GLOBAL_CFLAGS_NO_OVERRIDE := \
+    -Werror=int-to-pointer-cast \
+    -Werror=pointer-to-int-cast \
+
+GLOBAL_CLANG_CFLAGS_NO_OVERRIDE := \
+    -Werror=address-of-temporary \
+    -Werror=null-dereference \
+    -Werror=return-type \
+
+GLOBAL_CPPFLAGS_NO_OVERRIDE :=
+
+# list of flags to turn specific warnings in to errors
+TARGET_ERROR_FLAGS := -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Werror=date-time
+
+# We run gcc/clang with PWD=/proc/self/cwd to remove the $TOP
+# from the debug output. That way two builds in two different
+# directories will create the same output.
+# /proc doesn't exist on Darwin.
+ifeq ($(HOST_OS),linux)
+RELATIVE_PWD := PWD=/proc/self/cwd
+# Remove this useless prefix from the debug output.
+COMMON_GLOBAL_CFLAGS += -fdebug-prefix-map=/proc/self/cwd=
+else
+RELATIVE_PWD :=
+endif
+
+# Allow the C/C++ macros __DATE__ and __TIME__ to be set to the
+# build date and time, so that a build may be repeated.
+# Write the date and time to a file so that the command line
+# doesn't change every time, which would cause ninja to rebuild
+# the files.
+$(shell mkdir -p $(OUT_DIR) && \
+    $(DATE) "+%b %_d %Y" > $(OUT_DIR)/build_c_date.txt && \
+    $(DATE) +%T > $(OUT_DIR)/build_c_time.txt)
+BUILD_DATETIME_C_DATE := $$(cat $(OUT_DIR)/build_c_date.txt)
+BUILD_DATETIME_C_TIME := $$(cat $(OUT_DIR)/build_c_time.txt)
+ifeq ($(OVERRIDE_C_DATE_TIME),true)
+COMMON_GLOBAL_CFLAGS += -Wno-builtin-macro-redefined -D__DATE__="\"$(BUILD_DATETIME_C_DATE)\"" -D__TIME__=\"$(BUILD_DATETIME_C_TIME)\"
+endif
+
 HOST_GLOBAL_CFLAGS += $(COMMON_GLOBAL_CFLAGS)
 HOST_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
 
@@ -500,7 +745,8 @@ HOST_GLOBAL_LD_DIRS += -L$(HOST_OUT_INTERMEDIATE_LIBRARIES)
 TARGET_GLOBAL_LD_DIRS += -L$(TARGET_OUT_INTERMEDIATE_LIBRARIES)
 
 HOST_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $(HOST_OUT_HEADERS)
-TARGET_PROJECT_INCLUDES:= $(SRC_HEADERS) $(TARGET_OUT_HEADERS) \
+TARGET_PROJECT_INCLUDES:= $(SRC_HEADERS) $(TOPDIR)$(call project-path-for,ril)/include \
+		$(TARGET_OUT_HEADERS) \
 		$(TARGET_DEVICE_KERNEL_HEADERS) $(TARGET_BOARD_KERNEL_HEADERS) \
 		$(TARGET_PRODUCT_KERNEL_HEADERS)
 
@@ -508,7 +754,6 @@ TARGET_PROJECT_INCLUDES:= $(SRC_HEADERS) $(TARGET_OUT_HEADERS) \
 # sure to only specify them for the target compilers checked in to
 # the source tree.
 TARGET_GLOBAL_CFLAGS += $(TARGET_ERROR_FLAGS)
-TARGET_GLOBAL_CPPFLAGS += $(TARGET_ERROR_FLAGS)
 
 HOST_GLOBAL_CFLAGS += $(HOST_RELEASE_CFLAGS)
 HOST_GLOBAL_CPPFLAGS += $(HOST_RELEASE_CPPFLAGS)
@@ -524,7 +769,6 @@ $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAG
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS += -L$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_PROJECT_INCLUDES := $(TARGET_PROJECT_INCLUDES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += $(TARGET_ERROR_FLAGS)
-$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS += $(TARGET_ERROR_FLAGS)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CFLAGS)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS += $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CPPFLAGS)
 endif
@@ -540,28 +784,55 @@ $(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CFLAGS += $($(HOST_2ND_ARCH_VAR_PREFIX)HO
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CPPFLAGS += $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_RELEASE_CPPFLAGS)
 endif
 
+ifdef HOST_CROSS_OS
+HOST_CROSS_GLOBAL_CFLAGS += $(filter-out $(HOST_CROSS_UNKNOWN_CFLAGS),$(COMMON_GLOBAL_CFLAGS))
+HOST_CROSS_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
+HOST_CROSS_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
+HOST_CROSS_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
+HOST_CROSS_GLOBAL_LD_DIRS += -L$(HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES)
+HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $(HOST_CROSS_OUT_HEADERS)
+HOST_CROSS_GLOBAL_CFLAGS += $(HOST_CROSS_RELEASE_CFLAGS)
+HOST_CROSS_GLOBAL_CPPFLAGS += $(HOST_CROSS_RELEASE_CPPFLAGS)
+
+ifdef HOST_CROSS_2ND_ARCH
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CFLAGS += $(filter-out $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_UNKNOWN_CFLAGS),$(COMMON_GLOBAL_CFLAGS))
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_LD_DIRS += -L$($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_HEADERS)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CFLAGS += $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CFLAGS)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CPPFLAGS += $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CPPFLAGS)
+endif
+endif
+
+ifdef BRILLO
+# Add a C define that identifies Brillo targets. __BRILLO__ should only be used
+# to differentiate between Brillo and non-Brillo-but-Android environments. Use
+# __ANDROID__ instead to test if something is being built in an Android-derived
+# environment (including Brillo) as opposed to an entirely different
+# environment (e.g. Chrome OS).
+TARGET_GLOBAL_CFLAGS += -D__BRILLO__
+ifdef TARGET_2ND_ARCH
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += -D__BRILLO__
+endif
+endif
+
 # allow overriding default Java libraries on a per-target basis
 ifeq ($(TARGET_DEFAULT_JAVA_LIBRARIES),)
-  TARGET_DEFAULT_JAVA_LIBRARIES := core-libart core-junit ext framework
+  TARGET_DEFAULT_JAVA_LIBRARIES := core-oj core-libart core-junit ext framework okhttp
 endif
 
-TARGET_CPU_SMP ?= true
-
 # Flags for DEX2OAT
+first_non_empty_of_three = $(if $(1),$(1),$(if $(2),$(2),$(3)))
 DEX2OAT_TARGET_ARCH := $(TARGET_ARCH)
-DEX2OAT_TARGET_CPU_VARIANT := $(TARGET_CPU_VARIANT)
+DEX2OAT_TARGET_CPU_VARIANT := $(call first_non_empty_of_three,$(TARGET_CPU_VARIANT),$(TARGET_ARCH_VARIANT),default)
 DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := default
-ifneq (,$(filter $(DEX2OAT_TARGET_CPU_VARIANT),cortex-a7 cortex-a15 krait denver))
-  DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := div
-endif
 
 ifdef TARGET_2ND_ARCH
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH := $(TARGET_2ND_ARCH)
-$(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT := $(TARGET_2ND_CPU_VARIANT)
+$(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT := $(call first_non_empty_of_three,$(TARGET_2ND_CPU_VARIANT),$(TARGET_2ND_ARCH_VARIANT),default)
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := default
-ifneq (,$(filter $($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT),cortex-a7 cortex-a15 krait denver))
-  $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := div
-endif
 endif
 
 # define clang/llvm tools and global flags
@@ -575,6 +846,13 @@ include $(BUILD_SYSTEM)/clang/config.mk
 HISTORICAL_SDK_VERSIONS_ROOT := $(TOPDIR)prebuilts/sdk
 HISTORICAL_NDK_VERSIONS_ROOT := $(TOPDIR)prebuilts/ndk
 
+# The path where app can reference the support library resources.
+ifdef TARGET_BUILD_APPS
+SUPPORT_LIBRARY_ROOT := $(HISTORICAL_SDK_VERSIONS_ROOT)/current/support
+else
+SUPPORT_LIBRARY_ROOT := frameworks/support
+endif
+
 # Historical SDK version N is stored in $(HISTORICAL_SDK_VERSIONS_ROOT)/N.
 # The 'current' version is whatever this source tree is.
 #
@@ -595,13 +873,15 @@ TARGET_AVAILABLE_SDK_VERSIONS := $(call numerically_sort,\
     $(patsubst $(HISTORICAL_SDK_VERSIONS_ROOT)/%/android.jar,%, \
     $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/android.jar)))
 
-# We don't have prebuilt system_current SDK yet.
-TARGET_AVAILABLE_SDK_VERSIONS := $(TARGET_AVAILABLE_SDK_VERSIONS)
+# We don't have prebuilt test_current SDK yet.
+TARGET_AVAILABLE_SDK_VERSIONS := test_current $(TARGET_AVAILABLE_SDK_VERSIONS)
 
 INTERNAL_PLATFORM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/public_api.txt
 INTERNAL_PLATFORM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/removed.txt
 INTERNAL_PLATFORM_SYSTEM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-api.txt
 INTERNAL_PLATFORM_SYSTEM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-removed.txt
+INTERNAL_PLATFORM_TEST_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/test-api.txt
+INTERNAL_PLATFORM_TEST_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/test-removed.txt
 
 # This is the standard way to name a directory containing prebuilt target
 # objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
@@ -613,7 +893,40 @@ endif
 # Set up RS prebuilt variables for compatibility library
 
 RS_PREBUILT_CLCORE := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/librsrt_$(TARGET_ARCH).bc
-RS_PREBUILT_LIBPATH := -L prebuilts/ndk/8/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
 RS_PREBUILT_COMPILER_RT := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/libcompiler_rt.a
+ifeq (true,$(TARGET_IS_64_BIT))
+RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-21/arch-$(TARGET_ARCH)/usr/lib64 \
+                       -L prebuilts/ndk/current/platforms/android-21/arch-$(TARGET_ARCH)/usr/lib
+else
+RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
+endif
+
+# API Level lists for Renderscript Compat lib.
+RSCOMPAT_32BIT_ONLY_API_LEVELS := 8 9 10 11 12 13 14 15 16 17 18 19 20
+RSCOMPAT_NO_USAGEIO_API_LEVELS := 8 9 10 11 12 13
+
+# We might want to skip items listed in PRODUCT_COPY_FILES based on
+# various target flags. This is useful for replacing a binary module with one
+# built from source. This should be a list of destination files under $OUT
+#
+TARGET_COPY_FILES_OVERRIDES := \
+    $(addprefix %:, $(strip $(TARGET_COPY_FILES_OVERRIDES)))
+
+ifneq ($(TARGET_COPY_FILES_OVERRIDES),)
+    PRODUCT_COPY_FILES := $(filter-out $(TARGET_COPY_FILES_OVERRIDES), $(PRODUCT_COPY_FILES))
+endif
+
+ifneq ($(CM_BUILD),)
+## We need to be sure the global selinux policies are included
+## last, to avoid accidental resetting by device configs
+$(eval include vendor/cm/sepolicy/sepolicy.mk)
+
+# Include any vendor specific config.mk file
+-include $(TOPDIR)vendor/*/build/core/config.mk
+
+# Include any vendor specific apicheck.mk file
+-include $(TOPDIR)vendor/*/build/core/apicheck.mk
+
+endif
 
 include $(BUILD_SYSTEM)/dumpvar.mk
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
new file mode 100644
index 000000000..dbcf27695
--- /dev/null
+++ b/core/config_sanitizers.mk
@@ -0,0 +1,161 @@
+##############################################
+## Perform configuration steps for sanitizers.
+##############################################
+
+my_sanitize := $(strip $(LOCAL_SANITIZE))
+
+# SANITIZE_HOST is only in effect if the module is already using clang (host
+# modules that haven't set `LOCAL_CLANG := false` and device modules that
+# have set `LOCAL_CLANG := true`.
+my_global_sanitize :=
+ifeq ($(my_clang),true)
+  ifdef LOCAL_IS_HOST_MODULE
+    my_global_sanitize := $(strip $(SANITIZE_HOST))
+
+    # SANITIZE_HOST=true is a deprecated way to say SANITIZE_HOST=address.
+    my_global_sanitize := $(subst true,address,$(my_global_sanitize))
+  else
+    my_global_sanitize := $(strip $(SANITIZE_TARGET))
+  endif
+endif
+
+# The sanitizer specified by the environment wins over the module.
+ifneq ($(my_global_sanitize),)
+  my_sanitize := $(my_global_sanitize)
+endif
+
+# The sanitizer specified in the product configuration wins over the previous.
+ifneq ($(SANITIZER.$(TARGET_PRODUCT).$(LOCAL_MODULE).CONFIG),)
+  my_sanitize := $(SANITIZER.$(TARGET_PRODUCT).$(LOCAL_MODULE).CONFIG)
+  ifeq ($(my_sanitize),never)
+    my_sanitize :=
+  endif
+endif
+
+# Add a filter point for 32-bit vs 64-bit sanitization (to lighten the burden).
+SANITIZE_ARCH ?= 32 64
+ifeq ($(filter $(SANITIZE_ARCH),$(my_32_64_bit_suffix)),)
+  my_sanitize :=
+endif
+
+# Add a filter point based on module owner (to lighten the burden). The format is a space- or
+# colon-separated list of owner names.
+ifneq (,$(SANITIZE_NEVER_BY_OWNER))
+  ifneq (,$(LOCAL_MODULE_OWNER))
+    ifneq (,$(filter $(LOCAL_MODULE_OWNER),$(subst :, ,$(SANITIZE_NEVER_BY_OWNER))))
+      $(warning Not sanitizing $(LOCAL_MODULE) based on module owner.)
+      my_sanitize :=
+    endif
+  endif
+endif
+
+# Don't apply sanitizers to NDK code.
+ifdef LOCAL_SDK_VERSION
+  my_sanitize :=
+endif
+
+# Never always wins.
+ifeq ($(LOCAL_SANITIZE),never)
+  my_sanitize :=
+endif
+
+# TSAN is not supported on 32-bit architectures. For non-multilib cases, make
+# its use an error. For multilib cases, don't use it for the 32-bit case.
+ifneq ($(filter thread,$(my_sanitize)),)
+  ifeq ($(my_32_64_bit_suffix),32)
+    ifeq ($(my_module_multilib),both)
+        my_sanitize := $(filter-out thread,$(my_sanitize))
+    else
+        $(error $(LOCAL_PATH): $(LOCAL_MODULE): TSAN cannot be used for 32-bit modules.)
+    endif
+  endif
+endif
+
+# Undefined symbols can occur if a non-sanitized library links
+# sanitized static libraries. That's OK, because the executable
+# always depends on the ASan runtime library, which defines these
+# symbols.
+ifneq ($(strip $(SANITIZE_TARGET)),)
+  ifndef LOCAL_IS_HOST_MODULE
+    ifeq ($(LOCAL_MODULE_CLASS),SHARED_LIBRARIES)
+      ifeq ($(my_sanitize),)
+        my_allow_undefined_symbols := true
+      endif
+    endif
+    # Workaround for a bug in AddressSanitizer that breaks stack unwinding.
+    # https://code.google.com/p/address-sanitizer/issues/detail?id=387
+    # Revert when external/compiler-rt is updated past r236014.
+    LOCAL_PACK_MODULE_RELOCATIONS := false
+  endif
+endif
+
+# Sanitizers can only be used with clang.
+ifneq ($(my_clang),true)
+  ifneq ($(my_sanitize),)
+    $(error $(LOCAL_PATH): $(LOCAL_MODULE): Use of sanitizers requires LOCAL_CLANG := true)
+  endif
+endif
+
+ifneq ($(filter default-ub,$(my_sanitize)),)
+  my_sanitize := $(CLANG_DEFAULT_UB_CHECKS)
+endif
+
+ifneq ($(filter coverage,$(my_sanitize)),)
+  ifeq ($(filter address,$(my_sanitize)),)
+    $(error $(LOCAL_PATH): $(LOCAL_MODULE): Use of 'coverage' also requires 'address')
+  endif
+  my_cflags += -fsanitize-coverage=edge,indirect-calls,8bit-counters,trace-cmp
+  my_sanitize := $(filter-out coverage,$(my_sanitize))
+endif
+
+ifneq ($(my_sanitize),)
+  fsanitize_arg := $(subst $(space),$(comma),$(my_sanitize))
+  my_cflags += -fsanitize=$(fsanitize_arg)
+
+  ifdef LOCAL_IS_HOST_MODULE
+    my_cflags += -fno-sanitize-recover=all
+    my_ldflags += -fsanitize=$(fsanitize_arg)
+    my_ldlibs += -lrt -ldl
+  else
+    ifeq ($(filter address,$(my_sanitize)),)
+      my_cflags += -fsanitize-trap=all
+      my_cflags += -ftrap-function=abort
+    endif
+    my_shared_libraries += libdl
+  endif
+endif
+
+ifneq ($(filter address,$(my_sanitize)),)
+  # Frame pointer based unwinder in ASan requires ARM frame setup.
+  LOCAL_ARM_MODE := arm
+  my_cflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
+  my_ldflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS)
+  ifdef LOCAL_IS_HOST_MODULE
+    # -nodefaultlibs (provided with libc++) prevents the driver from linking
+    # libraries needed with -fsanitize=address. http://b/18650275 (WAI)
+    my_ldlibs += -lm -lpthread
+    my_ldflags += -Wl,--no-as-needed
+  else
+    my_cflags += -mllvm -asan-globals=0
+    # ASan runtime library must be the first in the link order.
+    my_shared_libraries := $($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_RUNTIME_LIBRARY) \
+                           $(my_shared_libraries) \
+                           $(ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES)
+    my_static_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
+
+    my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_LINKER)
+    # Make sure linker_asan get installed.
+    $(LOCAL_INSTALLED_MODULE) : | $(PRODUCT_OUT)$($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_LINKER)
+  endif
+endif
+
+ifneq ($(filter undefined,$(my_sanitize)),)
+  ifndef LOCAL_IS_HOST_MODULE
+    $(error ubsan is not yet supported on the target)
+  endif
+endif
+
+ifneq ($(strip $(LOCAL_SANITIZE_RECOVER)),)
+  recover_arg := $(subst $(space),$(comma),$(LOCAL_SANITIZE_RECOVER)),
+  my_cflags += -fsanitize-recover=$(recover_arg)
+endif
diff --git a/core/configure_local_jack.mk b/core/configure_local_jack.mk
new file mode 100644
index 000000000..2270c88c4
--- /dev/null
+++ b/core/configure_local_jack.mk
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+ifdef ANDROID_FORCE_JACK_ENABLED
+LOCAL_JACK_ENABLED := $(ANDROID_FORCE_JACK_ENABLED)
+endif
+
+LOCAL_JACK_ENABLED := $(strip $(LOCAL_JACK_ENABLED))
+LOCAL_MODULE := $(strip $(LOCAL_MODULE))
+
+ifneq ($(LOCAL_JACK_ENABLED),full)
+ifneq ($(LOCAL_JACK_ENABLED),incremental)
+ifdef LOCAL_JACK_ENABLED
+ifneq ($(LOCAL_JACK_ENABLED),disabled)
+$(error $(LOCAL_PATH): invalid LOCAL_JACK_ENABLED "$(LOCAL_JACK_ENABLED)" for $(LOCAL_MODULE))
+endif
+endif
+LOCAL_JACK_ENABLED :=
+endif
+endif
+
+ifdef $(LOCAL_MODULE).JACK_VERSION
+LOCAL_JACK_VERSION := $($(LOCAL_MODULE).JACK_VERSION)
+else
+LOCAL_JACK_VERSION := $(JACK_DEFAULT_VERSION)
+endif
diff --git a/core/copy_headers.mk b/core/copy_headers.mk
index e16560fbf..7d5a5d992 100644
--- a/core/copy_headers.mk
+++ b/core/copy_headers.mk
@@ -18,8 +18,10 @@ $(foreach header,$(LOCAL_COPY_HEADERS), \
       $(if $(LOCAL_COPY_HEADERS_TO),\
         $($(my_prefix)OUT_HEADERS)/$(LOCAL_COPY_HEADERS_TO)/$(notdir $(header)),\
         $($(my_prefix)OUT_HEADERS)/$(notdir $(header)))) \
-  $(eval $(call copy-one-header,$(_chFrom),$(_chTo))) \
-  $(eval all_copied_headers: $(_chTo)) \
+  $(eval ALL_COPIED_HEADERS.$(_chTo).MAKEFILE += $(LOCAL_MODULE_MAKEFILE)) \
+  $(eval ALL_COPIED_HEADERS.$(_chTo).SRC += $(_chFrom)) \
+  $(if $(filter $(_chTo),$(ALL_COPIED_HEADERS)),, \
+      $(eval ALL_COPIED_HEADERS += $(_chTo))) \
  )
 _chFrom :=
 _chTo :=
diff --git a/core/cxx_stl_setup.mk b/core/cxx_stl_setup.mk
new file mode 100644
index 000000000..37be1f7cc
--- /dev/null
+++ b/core/cxx_stl_setup.mk
@@ -0,0 +1,123 @@
+#############################################################
+## Set up flags based on LOCAL_CXX_STL.
+## Input variables: LOCAL_CXX_STL, my_prefix
+## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc.
+#############################################################
+
+# Select the appropriate C++ STL
+ifeq ($(strip $(LOCAL_CXX_STL)),default)
+    ifndef LOCAL_SDK_VERSION
+        # Platform code. Select the appropriate STL.
+        my_cxx_stl := libc++
+        ifdef LOCAL_IS_HOST_MODULE
+            ifneq (,$(BUILD_HOST_static))
+                my_cxx_stl := libc++_static
+            endif
+
+            ifeq ($($(my_prefix)OS),windows)
+                # libc++ is not supported on mingw.
+                my_cxx_stl := libstdc++
+            endif
+        endif
+    else
+        my_cxx_stl := ndk
+    endif
+else
+    my_cxx_stl := $(strip $(LOCAL_CXX_STL))
+    ifdef LOCAL_SDK_VERSION
+        # The NDK has historically used LOCAL_NDK_STL_VARIANT to specify the
+        # STL. An Android.mk that specifies both LOCAL_CXX_STL and
+        # LOCAL_SDK_VERSION will incorrectly try (and most likely fail) to use
+        # the platform STL in an NDK binary. Emit an error to direct the user
+        # toward the correct option.
+        #
+        # Note that we could also accept LOCAL_CXX_STL as an alias for
+        # LOCAL_NDK_STL_VARIANT (and in fact soong does use the same name), but
+        # the two options use different names for the STLs.
+        $(error $(LOCAL_PATH): $(LOCAL_MODULE): Must use LOCAL_NDK_STL_VARIANT rather than LOCAL_CXX_STL for NDK binaries)
+    endif
+    ifdef LOCAL_IS_HOST_MODULE
+        ifeq ($($(my_prefix)OS),windows)
+            ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
+                # libc++ is not supported on mingw.
+                my_cxx_stl := libstdc++
+            endif
+        endif
+    endif
+endif
+
+# Yes, this is actually what the clang driver does.
+linux_dynamic_gcclibs := -lgcc_s -lgcc -lc -lgcc_s -lgcc
+linux_static_gcclibs := -Wl,--start-group -lgcc -lgcc_eh -lc -Wl,--end-group
+darwin_dynamic_gcclibs := -lc -lSystem
+darwin_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_DARWIN
+windows_dynamic_gcclibs := \
+    -lmsvcr110 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -ladvapi32 \
+    -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt
+windows_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_WINDOWS
+
+my_link_type := dynamic
+ifdef LOCAL_IS_HOST_MODULE
+    ifneq (,$(BUILD_HOST_static))
+        my_link_type := static
+    endif
+    ifeq (-static,$(filter -static,$(my_ldflags)))
+        my_link_type := static
+    endif
+else
+    ifeq (true,$(LOCAL_FORCE_STATIC_EXECUTABLE))
+        my_link_type := static
+    endif
+endif
+
+ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
+    my_cflags += -D_USING_LIBCXX
+
+    # Note that the structure of this means that LOCAL_CXX_STL := libc++ will
+    # use the static libc++ for static executables.
+    ifeq ($(my_link_type),dynamic)
+        ifeq ($(my_cxx_stl),libc++)
+            my_shared_libraries += libc++
+        else
+            my_static_libraries += libc++_static
+        endif
+    else
+        my_static_libraries += libc++_static
+    endif
+
+    ifdef LOCAL_IS_HOST_MODULE
+        my_cppflags += -nostdinc++
+        my_ldflags += -nodefaultlibs
+        my_ldlibs += -lpthread -lm
+        my_ldlibs += $($($(my_prefix)OS)_$(my_link_type)_gcclibs)
+    else
+        ifeq (arm,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+            my_static_libraries += libunwind_llvm
+            my_ldflags += -Wl,--exclude-libs,libunwind_llvm.a
+        endif
+
+        ifeq ($(my_link_type),static)
+            my_static_libraries += libm libc libdl
+        else
+            my_shared_libraries += libdl
+        endif
+    endif
+else ifeq ($(my_cxx_stl),ndk)
+    # Using an NDK STL. Handled in binary.mk.
+else ifeq ($(my_cxx_stl),libstdc++)
+    # Using bionic's basic libstdc++. Not actually an STL. Only around until the
+    # tree is in good enough shape to not need it.
+    ifndef LOCAL_IS_HOST_MODULE
+        my_c_includes += bionic/libstdc++/include
+        my_system_shared_libraries += libstdc++
+    endif
+    # Host builds will use GNU libstdc++.
+else ifeq ($(my_cxx_stl),none)
+    ifdef LOCAL_IS_HOST_MODULE
+        my_cppflags += -nostdinc++
+        my_ldflags += -nodefaultlibs
+        my_ldlibs += $($($(my_prefix)OS)_$(my_link_type)_gcclibs)
+    endif
+else
+    $(error $(LOCAL_PATH): $(LOCAL_MODULE): $(my_cxx_stl) is not a supported STL.)
+endif
diff --git a/core/definitions.mk b/core/definitions.mk
index 38aa72066..bca474e73 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -87,11 +87,18 @@ TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 HOST_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_DEPENDENCIES_ON_SHARED_LIBRARIES :=
+HOST_CROSS_DEPENDENCIES_ON_SHARED_LIBRARIES :=
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 
 # Generated class file names for Android resource.
 # They are escaped and quoted so can be passed safely to a bash command.
 ANDROID_RESOURCE_GENERATED_CLASSES := 'R.class' 'R$$*.class' 'Manifest.class' 'Manifest$$*.class'
 
+# Display names for various build targets
+TARGET_DISPLAY := target
+HOST_DISPLAY := host
+HOST_CROSS_DISPLAY := host cross
+
 ###########################################################
 ## Debugging; prints a variable list to stdout
 ###########################################################
@@ -126,6 +133,7 @@ endef
 define my-dir
 $(strip \
   $(eval LOCAL_MODULE_MAKEFILE := $$(lastword $$(MAKEFILE_LIST))) \
+  $(eval LOCAL_MODULE_MAKEFILE_DEP := $(if $(BUILDING_WITH_NINJA),,$$(LOCAL_MODULE_MAKEFILE))) \
   $(if $(filter $(BUILD_SYSTEM)/% $(OUT_DIR)/%,$(LOCAL_MODULE_MAKEFILE)), \
     $(error my-dir must be called before including any other makefile.) \
    , \
@@ -134,12 +142,28 @@ $(strip \
  )
 endef
 
+###########################################################
+## Remove any makefiles that are being handled by soong
+###########################################################
+ifeq ($(USE_SOONG),true)
+define filter-soong-makefiles
+$(foreach mk,$(1),\
+  $(if $(wildcard $(patsubst %/Android.mk,%/Android.bp,$(mk))),\
+    $(info skipping $(mk) ...),\
+    $(mk)))
+endef
+else
+define filter-soong-makefiles
+$(1)
+endef
+endif
+
 ###########################################################
 ## Retrieve a list of all makefiles immediately below some directory
 ###########################################################
 
 define all-makefiles-under
-$(wildcard $(1)/*/Android.mk)
+$(sort $(call filter-soong-makefiles,$(wildcard $(1)/*/Android.mk)))
 endef
 
 ###########################################################
@@ -150,8 +174,9 @@ endef
 # $(1): directory to search under
 # Ignores $(1)/Android.mk
 define first-makefiles-under
-$(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git \
-        --mindepth=2 $(1) Android.mk)
+$(call filter-soong-makefiles,\
+  $(shell build/tools/findleaves.py $(FIND_LEAVES_EXCLUDES) \
+        --mindepth=2 $(1) Android.mk))
 endef
 
 ###########################################################
@@ -171,7 +196,48 @@ endef
 
 # $(1): List of directories to look for under this directory
 define all-named-subdir-makefiles
-$(wildcard $(addsuffix /Android.mk, $(addprefix $(call my-dir)/,$(1))))
+$(sort $(call filter-soong-makefiles,\
+  $(wildcard $(addsuffix /Android.mk, $(addprefix $(call my-dir)/,$(1))))))
+endef
+
+###########################################################
+## Find all of the directories under the named directories with
+## the specified name.
+## Meant to be used like:
+##    INC_DIRS := $(call all-named-dirs-under,inc,.)
+###########################################################
+
+define all-named-dirs-under
+$(call find-subdir-files,$(2) -type d -name "$(1)")
+endef
+
+###########################################################
+## Find all the directories under the current directory that
+## haves name that match $(1)
+###########################################################
+
+define all-subdir-named-dirs
+$(call all-named-dirs-under,$(1),.)
+endef
+
+###########################################################
+## Find all of the files under the named directories with
+## the specified name.
+## Meant to be used like:
+##    SRC_FILES := $(call all-named-files-under,*.h,src tests)
+###########################################################
+
+define all-named-files-under
+$(call find-files-in-subdirs,$(LOCAL_PATH),"$(1)",$(2))
+endef
+
+###########################################################
+## Find all of the files under the current directory with
+## the specified name.
+###########################################################
+
+define all-subdir-named-files
+$(call all-named-files-under,$(1),.)
 endef
 
 ###########################################################
@@ -181,10 +247,7 @@ endef
 ###########################################################
 
 define all-java-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "*.java" -and -not -name ".*") \
- )
+$(call all-named-files-under,*.java,$(1))
 endef
 
 ###########################################################
@@ -203,10 +266,7 @@ endef
 ###########################################################
 
 define all-c-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "*.c" -and -not -name ".*") \
- )
+$(call all-named-files-under,*.c,$(1))
 endef
 
 ###########################################################
@@ -218,6 +278,29 @@ define all-subdir-c-files
 $(call all-c-files-under,.)
 endef
 
+###########################################################
+## Find all of the cpp files under the named directories.
+## LOCAL_CPP_EXTENSION is respected if set.
+## Meant to be used like:
+##    SRC_FILES := $(call all-cpp-files-under,src tests)
+###########################################################
+
+define all-cpp-files-under
+$(sort $(patsubst ./%,%, \
+  $(shell cd $(LOCAL_PATH) ; \
+          find -L $(1) -name "*$(or $(LOCAL_CPP_EXTENSION),.cpp)" -and -not -name ".*") \
+ ))
+endef
+
+###########################################################
+## Find all of the cpp files from here.  Meant to be used like:
+##    SRC_FILES := $(call all-subdir-cpp-files)
+###########################################################
+
+define all-subdir-cpp-files
+$(call all-cpp-files-under,.)
+endef
+
 ###########################################################
 ## Find all files named "I*.aidl" under the named directories,
 ## which must be relative to $(LOCAL_PATH).  The returned list
@@ -225,10 +308,7 @@ endef
 ###########################################################
 
 define all-Iaidl-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "I*.aidl" -and -not -name ".*") \
- )
+$(call all-named-files-under,I*.aidl,$(1))
 endef
 
 ###########################################################
@@ -239,6 +319,24 @@ define all-subdir-Iaidl-files
 $(call all-Iaidl-files-under,.)
 endef
 
+###########################################################
+## Find all files named "*.vts" under the named directories,
+## which must be relative to $(LOCAL_PATH).  The returned list
+## is relative to $(LOCAL_PATH).
+###########################################################
+
+define all-vts-files-under
+$(call all-named-files-under,*.vts,$(1))
+endef
+
+###########################################################
+## Find all of the "*.vts" files under $(LOCAL_PATH).
+###########################################################
+
+define all-subdir-vts-files
+$(call all-vts-files-under,.)
+endef
+
 ###########################################################
 ## Find all of the logtags files under the named directories.
 ## Meant to be used like:
@@ -246,10 +344,7 @@ endef
 ###########################################################
 
 define all-logtags-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "*.logtags" -and -not -name ".*") \
-  )
+$(call all-named-files-under,*.logtags,$(1))
 endef
 
 ###########################################################
@@ -259,10 +354,7 @@ endef
 ###########################################################
 
 define all-proto-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "*.proto" -and -not -name ".*") \
-  )
+$(call all-named-files-under,*.proto,$(1))
 endef
 
 ###########################################################
@@ -272,10 +364,7 @@ endef
 ###########################################################
 
 define all-renderscript-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) \( -name "*.rs" -or -name "*.fs" \) -and -not -name ".*") \
-  )
+$(call find-subdir-files,$(1) \( -name "*.rs" -or -name "*.fs" \) -and -not -name ".*")
 endef
 
 ###########################################################
@@ -285,10 +374,7 @@ endef
 ###########################################################
 
 define all-S-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "*.S" -and -not -name ".*") \
- )
+$(call all-named-files-under,*.S,$(1))
 endef
 
 ###########################################################
@@ -298,10 +384,7 @@ endef
 ###########################################################
 
 define all-html-files-under
-$(patsubst ./%,%, \
-  $(shell cd $(LOCAL_PATH) ; \
-          find -L $(1) -name "*.html" -and -not -name ".*") \
- )
+$(call all-named-files-under,*.html,$(1))
 endef
 
 ###########################################################
@@ -319,7 +402,7 @@ endef
 ###########################################################
 
 define find-subdir-files
-$(patsubst ./%,%,$(shell cd $(LOCAL_PATH) ; find -L $(1)))
+$(sort $(patsubst ./%,%,$(shell cd $(LOCAL_PATH) ; find -L $(1))))
 endef
 
 ###########################################################
@@ -331,8 +414,8 @@ endef
 ###########################################################
 
 define find-subdir-subdir-files
-$(filter-out $(patsubst %,$(1)/%,$(3)),$(patsubst ./%,%,$(shell cd \
-            $(LOCAL_PATH) ; find -L $(1) -maxdepth 1 -name $(2))))
+$(sort $(filter-out $(patsubst %,$(1)/%,$(3)),$(patsubst ./%,%,$(shell cd \
+            $(LOCAL_PATH) ; find -L $(1) -maxdepth 1 -name $(2)))))
 endef
 
 ###########################################################
@@ -341,10 +424,10 @@ endef
 ###########################################################
 
 define find-subdir-assets
-$(if $(1),$(patsubst ./%,%, \
-	$(shell if [ -d $(1) ] ; then cd $(1) ; find ./ -not -name '.*' -and -type f -and -not -type l ; fi)), \
+$(sort $(if $(1),$(patsubst ./%,%, \
+	$(shell if [ -d $(1) ] ; then cd $(1) ; find -L ./ -not -name '.*' -and -type f -and -not -type l ; fi)), \
 	$(warning Empty argument supplied to find-subdir-assets) \
-)
+))
 endef
 
 ###########################################################
@@ -352,11 +435,15 @@ endef
 ###########################################################
 
 define find-other-java-files
-	$(call find-subdir-files,$(1) -name "*.java" -and -not -name ".*")
+$(call all-java-files-under,$(1))
+endef
+
+define find-other-aidl-files
+	$(call find-subdir-files,$(1) -name "*.aidl" -and -not -name ".*")
 endef
 
 define find-other-html-files
-	$(call find-subdir-files,$(1) -name "*.html" -and -not -name ".*")
+$(call all-html-files-under,$(1))
 endef
 
 ###########################################################
@@ -369,10 +456,10 @@ endef
 ###########################################################
 
 define find-files-in-subdirs
-$(patsubst ./%,%, \
+$(sort $(patsubst ./%,%, \
   $(shell cd $(1) ; \
           find -L $(3) -name $(2) -and -not -name ".*") \
- )
+ ))
 endef
 
 ###########################################################
@@ -385,7 +472,7 @@ endef
 
 define find-parent-file
 $(strip \
-  $(eval _fpf := $(wildcard $(foreach f, $(2), $(strip $(1))/$(f)))) \
+  $(eval _fpf := $(sort $(wildcard $(foreach f, $(2), $(strip $(1))/$(f))))) \
   $(if $(_fpf),$(_fpf), \
        $(if $(filter-out ./ .,$(1)), \
              $(call find-parent-file,$(patsubst %/,%,$(dir $(1))),$(2)) \
@@ -402,6 +489,14 @@ define add-dependency
 $(1): $(2)
 endef
 
+###########################################################
+## Reverse order of a list
+###########################################################
+
+define reverse-list
+$(if $(1),$(call reverse-list,$(wordlist 2,$(words $(1)),$(1)))) $(firstword $(1))
+endef
+
 ###########################################################
 ## The intermediates directory.  Where object files go for
 ## a given target.  We could technically get away without
@@ -414,7 +509,8 @@ endef
 # $(2): target name, like "NotePad"
 # $(3): if non-empty, this is a HOST target.
 # $(4): if non-empty, force the intermediates to be COMMON
-# $(5): if non-empty, force the intermedistes to be for the 2nd arch
+# $(5): if non-empty, force the intermediates to be for the 2nd arch
+# $(6): if non-empty, force the intermediates to be for the host cross os
 define intermediates-dir-for
 $(strip \
     $(eval _idfClass := $(strip $(1))) \
@@ -423,11 +519,11 @@ $(strip \
     $(eval _idfName := $(strip $(2))) \
     $(if $(_idfName),, \
         $(error $(LOCAL_PATH): Name not defined in call to intermediates-dir-for)) \
-    $(eval _idfPrefix := $(if $(strip $(3)),HOST,TARGET)) \
+    $(eval _idfPrefix := $(if $(strip $(3)),$(if $(strip $(6)),HOST_CROSS,HOST),TARGET)) \
     $(eval _idf2ndArchPrefix := $(if $(strip $(5)),$(TARGET_2ND_ARCH_VAR_PREFIX))) \
     $(if $(filter $(_idfPrefix)-$(_idfClass),$(COMMON_MODULE_CLASSES))$(4), \
         $(eval _idfIntBase := $($(_idfPrefix)_OUT_COMMON_INTERMEDIATES)) \
-      ,$(if $(filter $(_idfClass),SHARED_LIBRARIES STATIC_LIBRARIES EXECUTABLES GYP),\
+      ,$(if $(filter $(_idfClass),$(PER_ARCH_MODULE_CLASSES)),\
           $(eval _idfIntBase := $($(_idf2ndArchPrefix)$(_idfPrefix)_OUT_INTERMEDIATES)) \
        ,$(eval _idfIntBase := $($(_idfPrefix)_OUT_INTERMEDIATES)) \
        ) \
@@ -441,13 +537,14 @@ endef
 #
 # $(1): if non-empty, force the intermediates to be COMMON
 # $(2): if non-empty, force the intermediates to be for the 2nd arch
+# $(3): if non-empty, force the intermediates to be for the host cross os
 define local-intermediates-dir
 $(strip \
     $(if $(strip $(LOCAL_MODULE_CLASS)),, \
         $(error $(LOCAL_PATH): LOCAL_MODULE_CLASS not defined before call to local-intermediates-dir)) \
     $(if $(strip $(LOCAL_MODULE)),, \
         $(error $(LOCAL_PATH): LOCAL_MODULE not defined before call to local-intermediates-dir)) \
-    $(call intermediates-dir-for,$(LOCAL_MODULE_CLASS),$(LOCAL_MODULE),$(LOCAL_IS_HOST_MODULE),$(1),$(2)) \
+    $(call intermediates-dir-for,$(LOCAL_MODULE_CLASS),$(LOCAL_MODULE),$(LOCAL_IS_HOST_MODULE),$(1),$(2),$(3)) \
 )
 endef
 
@@ -474,7 +571,7 @@ $(strip \
         $(error $(LOCAL_PATH): Name not defined in call to generated-sources-dir-for)) \
     $(eval _idfPrefix := $(if $(strip $(3)),HOST,TARGET)) \
     $(if $(filter $(_idfPrefix)-$(_idfClass),$(COMMON_MODULE_CLASSES))$(4), \
-        $(eval _idfIntBase := $($(_idfPrefix)_OUT_GEN_COMMON)) \
+        $(eval _idfIntBase := $($(_idfPrefix)_OUT_COMMON_GEN)) \
       , \
         $(eval _idfIntBase := $($(_idfPrefix)_OUT_GEN)) \
      ) \
@@ -580,25 +677,60 @@ endef
 # $(1): library name
 # $(2): Non-empty if IS_HOST_MODULE
 define _java-lib-full-classes.jar
-$(call _java-lib-dir,$(1),$(2))/classes$(COMMON_JAVA_PACKAGE_SUFFIX)
+$(call _java-lib-dir,$(1),$(2))/$(if $(2),javalib,classes)$(COMMON_JAVA_PACKAGE_SUFFIX)
 endef
 
+# Get the jar files (you can pass to "javac -classpath") of static or shared
+# Java libraries that you want to link against.
 # $(1): library name list
 # $(2): Non-empty if IS_HOST_MODULE
 define java-lib-files
 $(foreach lib,$(1),$(call _java-lib-full-classes.jar,$(lib),$(2)))
 endef
 
+# Get the dependency files (you can put on the right side of "|" of a build rule)
+# of the Java libraries.
+# $(1): library name list
+# $(2): Non-empty if IS_HOST_MODULE
+# Historically for target Java libraries we used a different file (javalib.jar)
+# as the dependency.
+# Now we can use classes.jar as dependency, so java-lib-deps is the same
+# as java-lib-files.
+define java-lib-deps
+$(call java-lib-files,$(1),$(2))
+endef
+
+# Get the jar files (you can pass to "javac -classpath") of host dalvik Java libraries.
+# You can also use them as dependency files.
+# A host dalvik Java library is different from a host Java library in that
+# the java lib file is classes.jar, not javalib.jar.
+# $(1): library name list
+define host-dex-java-lib-files
+$(foreach lib,$(1),$(call _java-lib-dir,$(lib),true)/classes.jar)
+endef
+
+###########################################################
+## Convert "core ext framework" to "out/.../classes.jack ..."
+## $(1): library list
+## $(2): Non-empty if IS_HOST_MODULE
+###########################################################
+
 # $(1): library name
 # $(2): Non-empty if IS_HOST_MODULE
-define _java-lib-full-dep
-$(call _java-lib-dir,$(1),$(2))/$(if $(2),javalib,classes)$(COMMON_JAVA_PACKAGE_SUFFIX)
+define _jack-lib-full-classes
+$(call _java-lib-dir,$(1),$(2))/classes.jack
 endef
 
 # $(1): library name list
 # $(2): Non-empty if IS_HOST_MODULE
-define java-lib-deps
-$(foreach lib,$(1),$(call _java-lib-full-dep,$(lib),$(2)))
+define jack-lib-files
+$(foreach lib,$(1),$(call _jack-lib-full-classes,$(lib),$(2)))
+endef
+
+# $(1): library name list
+# $(2): Non-empty if IS_HOST_MODULE
+define jack-lib-deps
+$(call jack-lib-files,$(1),$(2))
 endef
 
 ###########################################################
@@ -684,7 +816,7 @@ endef
 # any of those tags.
 # $(1): tag list
 define modules-for-tag-list
-$(sort $(foreach tag,$(1),$(ALL_MODULE_TAGS.$(tag))))
+$(sort $(foreach tag,$(1),$(foreach m,$(ALL_MODULE_NAME_TAGS.$(tag)),$(ALL_MODULES.$(m).INSTALLED))))
 endef
 
 # Same as modules-for-tag-list, but operates on
@@ -764,99 +896,128 @@ ifeq ($(strip $(SHOW_COMMANDS)),)
 define pretty
 @echo $1
 endef
-hide := @
 else
 define pretty
 endef
-hide :=
 endif
 
 ###########################################################
-## Dump the variables that are associated with targets
+## Commands for munging the dependency files the compiler generates
 ###########################################################
+# $(1): the input .d file
+# $(2): the output .P file
+define transform-d-to-p-args
+$(hide) cp $(1) $(2); \
+	sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
+		-e '/^$$/ d' -e 's/$$/ :/' < $(1) >> $(2); \
+	rm -f $(1)
+endef
 
-define dump-module-variables
-@echo all_dependencies=$^
-@echo PRIVATE_YACCFLAGS=$(PRIVATE_YACCFLAGS);
-@echo PRIVATE_CFLAGS=$(PRIVATE_CFLAGS);
-@echo PRIVATE_CPPFLAGS=$(PRIVATE_CPPFLAGS);
-@echo PRIVATE_DEBUG_CFLAGS=$(PRIVATE_DEBUG_CFLAGS);
-@echo PRIVATE_C_INCLUDES=$(PRIVATE_C_INCLUDES);
-@echo PRIVATE_LDFLAGS=$(PRIVATE_LDFLAGS);
-@echo PRIVATE_LDLIBS=$(PRIVATE_LDLIBS);
-@echo PRIVATE_ARFLAGS=$(PRIVATE_ARFLAGS);
-@echo PRIVATE_AAPT_FLAGS=$(PRIVATE_AAPT_FLAGS);
-@echo PRIVATE_DX_FLAGS=$(PRIVATE_DX_FLAGS);
-@echo PRIVATE_JAVACFLAGS=$(PRIVATE_JAVACFLAGS);
-@echo PRIVATE_JAVA_LIBRARIES=$(PRIVATE_JAVA_LIBRARIES);
-@echo PRIVATE_ALL_SHARED_LIBRARIES=$(PRIVATE_ALL_SHARED_LIBRARIES);
-@echo PRIVATE_ALL_STATIC_LIBRARIES=$(PRIVATE_ALL_STATIC_LIBRARIES);
-@echo PRIVATE_ALL_WHOLE_STATIC_LIBRARIES=$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES);
-@echo PRIVATE_ALL_OBJECTS=$(PRIVATE_ALL_OBJECTS);
-@echo PRIVATE_NO_CRT=$(PRIVATE_NO_CRT);
+define transform-d-to-p
+$(call transform-d-to-p-args,$(@:%.o=%.d),$(@:%.o=%.P))
 endef
 
 ###########################################################
-## Commands for using sed to replace given variable values
+## Commands for including the dependency files the compiler generates
 ###########################################################
-
-define transform-variables
-@mkdir -p $(dir $@)
-@echo "Sed: $(if $(PRIVATE_MODULE),$(PRIVATE_MODULE),$@) <= $<"
-$(hide) sed $(foreach var,$(REPLACE_VARS),-e "s/{{$(var)}}/$(subst /,\/,$(PWD)/$($(var)))/g") $< >$@
-$(hide) if [ "$(suffix $@)" = ".sh" ]; then chmod a+rx $@; fi
+# $(1): the .P file
+# $(2): the main build target
+ifeq ($(BUILDING_WITH_NINJA),true)
+define include-depfile
+$(eval $(2) : .KATI_DEPFILE := $1)
+endef
+else
+define include-depfile
+$(eval -include $1)
 endef
+endif
 
+# $(1): object files
+define include-depfiles-for-objs
+$(foreach obj, $(1), $(call include-depfile, $(obj:%.o=%.P), $(obj)))
+endef
 
 ###########################################################
-## Commands for munging the dependency files GCC generates
+## Track source files compiled to objects
 ###########################################################
-# $(1): the input .d file
-# $(2): the output .P file
-define transform-d-to-p-args
-$(hide) cp $(1) $(2); \
-	sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
-		-e '/^$$/ d' -e 's/$$/ :/' < $(1) >> $(2); \
-	rm -f $(1)
+# $(1): list of sources
+# $(2): list of matching objects
+define track-src-file-obj
+$(eval $(call _track-src-file-obj,$(1)))
+endef
+define _track-src-file-obj
+i := w
+$(foreach s,$(1),
+my_tracked_src_files += $(s)
+my_src_file_obj_$(s) := $$(word $$(words $$(i)),$$(2))
+i += w)
 endef
 
-define transform-d-to-p
-$(call transform-d-to-p-args,$(@:%.o=%.d),$(@:%.o=%.P))
+# $(1): list of sources
+# $(2): list of matching generated sources
+define track-src-file-gen
+$(eval $(call _track-src-file-gen,$(2)))
+endef
+define _track-src-file-gen
+i := w
+$(foreach s,$(1),
+my_tracked_gen_files += $(s)
+my_src_file_gen_$(s) := $$(word $$(words $$(i)),$$(1))
+i += w)
+endef
+
+# $(1): list of generated sources
+# $(2): list of matching objects
+define track-gen-file-obj
+$(call track-src-file-obj,$(foreach f,$(1),\
+  $(or $(my_src_file_gen_$(f)),$(f))),$(2))
 endef
 
 ###########################################################
 ## Commands for running lex
 ###########################################################
 
-define transform-l-to-cpp
-@mkdir -p $(dir $@)
+define transform-l-to-c-or-cpp
 @echo "Lex: $(PRIVATE_MODULE) <= $<"
+@mkdir -p $(dir $@)
 $(hide) $(LEX) -o$@ $<
 endef
 
 ###########################################################
 ## Commands for running yacc
 ##
-## Because the extension of c++ files can change, the
-## extension must be specified in $1.
-## E.g, "$(call transform-y-to-cpp,.cpp)"
 ###########################################################
 
-define transform-y-to-cpp
-@mkdir -p $(dir $@)
+define transform-y-to-c-or-cpp
 @echo "Yacc: $(PRIVATE_MODULE) <= $<"
-$(YACC) $(PRIVATE_YACCFLAGS) -o $@ $<
-touch $(@:$1=$(YACC_HEADER_SUFFIX))
-echo '#ifndef '$(@F:$1=_h) > $(@:$1=.h)
-echo '#define '$(@F:$1=_h) >> $(@:$1=.h)
-cat $(@:$1=$(YACC_HEADER_SUFFIX)) >> $(@:$1=.h)
-echo '#endif' >> $(@:$1=.h)
+@mkdir -p $(dir $@)
+$(YACC) $(PRIVATE_YACCFLAGS) \
+  --defines=$(basename $@).h \
+  -o $@ $<
 endef
 
 ###########################################################
 ## Commands to compile RenderScript to Java
 ###########################################################
 
+## Merge multiple .d files generated by llvm-rs-cc. This is necessary
+## because ninja can handle only a single depfile per build target.
+## .d files generated by llvm-rs-cc define .stamp, .bc, and optionally
+## .java as build targets. However, there's no way to let ninja know
+## dependencies to .bc files and .java files, so we give up build
+## targets for them. As we write the .stamp file as the target by
+## ourselves, the awk script removes the first lines before the colon
+## and append a backslash to the last line to concatenate contents of
+## multiple files.
+# $(1): .d files to be merged
+# $(2): merged .d file
+define _merge-renderscript-d
+$(hide) echo '$@: $(backslash)' > $2
+$(foreach d,$1, \
+  $(hide) awk 'start { sub(/( \\)?$$/, " \\"); print } /:/ { start=1 }' < $d >> $2$(newline))
+$(hide) echo >> $2
+endef
+
 define transform-renderscripts-to-java-and-bc
 @echo "RenderScript: $(PRIVATE_MODULE) <= $(PRIVATE_RS_SOURCE_FILES)"
 $(hide) rm -rf $(PRIVATE_RS_OUTPUT_DIR)
@@ -871,6 +1032,8 @@ $(hide) $(PRIVATE_RS_CC) \
   $(PRIVATE_RS_FLAGS) \
   $(foreach inc,$(PRIVATE_RS_INCLUDES),$(addprefix -I , $(inc))) \
   $(PRIVATE_RS_SOURCE_FILES)
+$(call _merge-renderscript-d,$(PRIVATE_DEP_FILES),$@.d)
+$(call transform-d-to-p-args,$@.d,$@.P)
 $(hide) mkdir -p $(dir $@)
 $(hide) touch $@
 endef
@@ -884,8 +1047,8 @@ $(hide) $(PRIVATE_CXX) -shared -Wl,-soname,$(notdir $@) -nostdlib \
 	-Wl,-rpath,\$$ORIGIN/../lib \
 	$(dir $@)/$(notdir $(<:.bc=.o)) \
 	$(RS_PREBUILT_COMPILER_RT) \
-	-o $@ $(TARGET_GLOBAL_LDFLAGS) -L prebuilts/gcc/ \
-	-L $(TARGET_OUT_INTERMEDIATE_LIBRARIES) $(RS_PREBUILT_LIBPATH) \
+	-o $@ $(TARGET_GLOBAL_LDFLAGS) -Wl,--hash-style=sysv -L prebuilts/gcc/ \
+	$(RS_PREBUILT_LIBPATH) -L $(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
 	-lRSSupport -lm -lc
 endef
 
@@ -902,9 +1065,12 @@ $(hide) $(PRIVATE_RS_CC) \
   -d $(PRIVATE_RS_OUTPUT_DIR) \
   -a $@ -MD \
   -reflect-c++ \
+  $(addprefix -target-api , $(PRIVATE_RS_TARGET_API)) \
   $(PRIVATE_RS_FLAGS) \
   $(addprefix -I , $(PRIVATE_RS_INCLUDES)) \
   $(PRIVATE_RS_SOURCE_FILES)
+$(call _merge-renderscript-d,$(PRIVATE_DEP_FILES),$@.d)
+$(call transform-d-to-p-args,$@.d,$@.P)
 $(hide) mkdir -p $(dir $@)
 $(hide) touch $@
 endef
@@ -921,6 +1087,51 @@ $(hide) $(AIDL) -d$(patsubst %.java,%.P,$@) $(PRIVATE_AIDL_FLAGS) $< $@
 endef
 #$(AIDL) $(PRIVATE_AIDL_FLAGS) $< - | indent -nut -br -npcs -l1000 > $@
 
+define transform-aidl-to-cpp
+@mkdir -p $(dir $@)
+@mkdir -p $(PRIVATE_HEADER_OUTPUT_DIR)
+@echo "Generating C++ from AIDL: $(PRIVATE_MODULE) <= $<"
+$(hide) $(AIDL_CPP) -d$(basename $@).aidl.P $(PRIVATE_AIDL_FLAGS) \
+    $< $(PRIVATE_HEADER_OUTPUT_DIR) $@
+endef
+
+## Given a .aidl file path generate the rule to compile it a .cpp file.
+# $(1): a .aidl source file
+# $(2): a directory to place the generated .cpp files in
+# $(3): name of a variable to add the path to the generated source file to
+#
+# You must call this with $(eval).
+define define-aidl-cpp-rule
+define-aidl-cpp-rule-src := $(patsubst %.aidl,%$(LOCAL_CPP_EXTENSION),$(subst ../,dotdot/,$(addprefix $(2)/,$(1))))
+$$(define-aidl-cpp-rule-src) : $(LOCAL_PATH)/$(1) $(AIDL_CPP)
+	$$(transform-aidl-to-cpp)
+$(3) += $$(define-aidl-cpp-rule-src)
+endef
+
+###########################################################
+## Commands for running vts
+###########################################################
+
+define transform-vts-to-cpp
+@mkdir -p $(dir $@)
+@mkdir -p $(PRIVATE_HEADER_OUTPUT_DIR)
+@echo "Generating C++ from VTS: $(PRIVATE_MODULE) <= $<"
+$(hide) $(VTSC) -d$(basename $@).vts.P $(PRIVATE_VTS_FLAGS) \
+    $< $(PRIVATE_HEADER_OUTPUT_DIR) $@
+endef
+
+## Given a .vts file path generate the rule to compile it a .cpp file.
+# $(1): a .vts source file
+# $(2): a directory to place the generated .cpp files in
+# $(3): name of a variable to add the path to the generated source file to
+#
+# You must call this with $(eval).
+define define-vts-cpp-rule
+define-vts-cpp-rule-src := $(patsubst %.vts,%$(LOCAL_CPP_EXTENSION),$(subst ../,dotdot/,$(addprefix $(2)/,$(1))))
+$$(define-vts-cpp-rule-src) : $(LOCAL_PATH)/$(1) $(VTSC)
+	$$(transform-vts-to-cpp)
+$(3) += $$(define-vts-cpp-rule-src)
+endef
 
 ###########################################################
 ## Commands for running java-event-log-tags.py
@@ -953,15 +1164,43 @@ $(hide) touch $@
 endef
 
 ######################################################################
-## Commands for running protoc to compile .proto into .pb.cc and .pb.h
+## Commands for running protoc to compile .proto into .pb.cc (or.pb.c) and .pb.h
 ######################################################################
 define transform-proto-to-cc
-@mkdir -p $(dir $@)
 @echo "Protoc: $@ <= $<"
+@mkdir -p $(dir $@)
 $(hide) $(PROTOC) \
 	$(addprefix --proto_path=, $(PRIVATE_PROTO_INCLUDES)) \
 	$(PRIVATE_PROTOC_FLAGS) \
-	--cpp_out=$(PRIVATE_PROTO_CC_OUTPUT_DIR) $<
+	$<
+@# aprotoc outputs only .cc. Rename it to .cpp if necessary.
+$(if $(PRIVATE_RENAME_CPP_EXT),\
+  $(hide) mv $(basename $@).cc $@)
+endef
+
+
+######################################################################
+## Commands for generating DBus adaptors from .dbus-xml files.
+######################################################################
+define generate-dbus-adaptors
+@echo "Generating DBus adaptors for $(PRIVATE_MODULE)"
+@mkdir -p $(dir $@)
+$(hide) $(DBUS_GENERATOR) \
+	--service-config=$(PRIVATE_DBUS_SERVICE_CONFIG) \
+	--adaptor=$@ \
+	$<
+endef
+
+######################################################################
+## Commands for generating DBus proxies from .dbus-xml files.
+######################################################################
+define generate-dbus-proxies
+@echo "Generating DBus proxies for $(PRIVATE_MODULE)"
+@mkdir -p $(dir $@)
+$(hide) $(DBUS_GENERATOR) \
+	--service-config=$(PRIVATE_DBUS_SERVICE_CONFIG) \
+	--proxy=$@ \
+	$(filter %.dbus-xml,$^)
 endef
 
 
@@ -970,9 +1209,9 @@ endef
 ###########################################################
 
 define transform-cpp-to-o
-@mkdir -p $(dir $@)
 @echo "target $(PRIVATE_ARM_MODE) C++: $(PRIVATE_MODULE) <= $<"
-$(hide) $(PRIVATE_CXX) \
+@mkdir -p $(dir $@)
+$(hide) $(RELATIVE_PWD) $(PRIVATE_CXX) \
 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
 	$(shell cat $(PRIVATE_IMPORT_INCLUDES)) \
 	$(addprefix -isystem ,\
@@ -990,6 +1229,8 @@ $(hide) $(PRIVATE_CXX) \
 	$(PRIVATE_CFLAGS) \
 	$(PRIVATE_CPPFLAGS) \
 	$(PRIVATE_DEBUG_CFLAGS) \
+	$(PRIVATE_CFLAGS_NO_OVERRIDE) \
+	$(PRIVATE_CPPFLAGS_NO_OVERRIDE) \
 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
 $(transform-d-to-p)
 endef
@@ -1002,7 +1243,7 @@ endef
 # $(1): extra flags
 define transform-c-or-s-to-o-no-deps
 @mkdir -p $(dir $@)
-$(hide) $(PRIVATE_CC) \
+$(hide) $(RELATIVE_PWD) $(PRIVATE_CC) \
 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
 	$(shell cat $(PRIVATE_IMPORT_INCLUDES)) \
 	$(addprefix -isystem ,\
@@ -1013,6 +1254,7 @@ $(hide) $(PRIVATE_CC) \
 	-c \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	    $(PRIVATE_TARGET_GLOBAL_CFLAGS) \
+	    $(PRIVATE_TARGET_GLOBAL_CONLYFLAGS) \
 	    $(PRIVATE_ARM_CFLAGS) \
 	 ) \
 	 $(1) \
@@ -1021,7 +1263,11 @@ endef
 
 define transform-c-to-o-no-deps
 @echo "target $(PRIVATE_ARM_MODE) C: $(PRIVATE_MODULE) <= $<"
-$(call transform-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_CONLYFLAGS) $(PRIVATE_DEBUG_CFLAGS))
+$(call transform-c-or-s-to-o-no-deps, \
+    $(PRIVATE_CFLAGS) \
+    $(PRIVATE_CONLYFLAGS) \
+    $(PRIVATE_DEBUG_CFLAGS) \
+    $(PRIVATE_CFLAGS_NO_OVERRIDE))
 endef
 
 define transform-s-to-o-no-deps
@@ -1044,7 +1290,7 @@ define transform-asm-to-o
 @mkdir -p $(dir $@)
 $(hide) $(YASM) \
     $(addprefix -I , $(PRIVATE_C_INCLUDES)) \
-    -f elf32 -m x86 \
+    $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_YASM_FLAGS) \
     $(PRIVATE_ASFLAGS) \
     -o $@ $<
 endef
@@ -1070,15 +1316,15 @@ endef
 ###########################################################
 
 define transform-host-cpp-to-o
+@echo "$($(PRIVATE_PREFIX)DISPLAY) C++: $(PRIVATE_MODULE) <= $<"
 @mkdir -p $(dir $@)
-@echo "host C++: $(PRIVATE_MODULE) <= $<"
-$(hide) $(PRIVATE_CXX) \
+$(hide) $(RELATIVE_PWD) $(PRIVATE_CXX) \
 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
 	$(shell cat $(PRIVATE_IMPORT_INCLUDES)) \
 	$(addprefix -isystem ,\
 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	        $(filter-out $(PRIVATE_C_INCLUDES), \
-	            $(HOST_PROJECT_INCLUDES) \
+	            $($(PRIVATE_PREFIX)PROJECT_INCLUDES) \
 	            $(PRIVATE_HOST_C_INCLUDES)))) \
 	-c \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
@@ -1088,6 +1334,8 @@ $(hide) $(PRIVATE_CXX) \
 	$(PRIVATE_CFLAGS) \
 	$(PRIVATE_CPPFLAGS) \
 	$(PRIVATE_DEBUG_CFLAGS) \
+	$(PRIVATE_CFLAGS_NO_OVERRIDE) \
+	$(PRIVATE_CPPFLAGS_NO_OVERRIDE) \
 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
 $(transform-d-to-p)
 endef
@@ -1100,29 +1348,31 @@ endef
 # $(1): extra flags
 define transform-host-c-or-s-to-o-no-deps
 @mkdir -p $(dir $@)
-$(hide) $(PRIVATE_CC) \
+$(hide) $(RELATIVE_PWD) $(PRIVATE_CC) \
 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
 	$(shell cat $(PRIVATE_IMPORT_INCLUDES)) \
 	$(addprefix -isystem ,\
 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	        $(filter-out $(PRIVATE_C_INCLUDES), \
-	            $(HOST_PROJECT_INCLUDES) \
+	            $($(PRIVATE_PREFIX)PROJECT_INCLUDES) \
 	            $(PRIVATE_HOST_C_INCLUDES)))) \
 	-c \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	    $(PRIVATE_HOST_GLOBAL_CFLAGS) \
+	    $(PRIVATE_HOST_GLOBAL_CONLYFLAGS) \
 	 ) \
 	$(1) \
+	$(PRIVATE_CFLAGS_NO_OVERRIDE) \
 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
 endef
 
 define transform-host-c-to-o-no-deps
-@echo "host C: $(PRIVATE_MODULE) <= $<"
+@echo "$($(PRIVATE_PREFIX)DISPLAY) C: $(PRIVATE_MODULE) <= $<"
 $(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_CONLYFLAGS) $(PRIVATE_DEBUG_CFLAGS))
 endef
 
 define transform-host-s-to-o-no-deps
-@echo "host asm: $(PRIVATE_MODULE) <= $<"
+@echo "$($(PRIVATE_PREFIX)DISPLAY) asm: $(PRIVATE_MODULE) <= $<"
 $(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_ASFLAGS))
 endef
 
@@ -1141,7 +1391,7 @@ endef
 ###########################################################
 
 define transform-host-m-to-o-no-deps
-@echo "host ObjC: $(PRIVATE_MODULE) <= $<"
+@echo "$($(PRIVATE_PREFIX)DISPLAY) ObjC: $(PRIVATE_MODULE) <= $<"
 $(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_DEBUG_CFLAGS))
 endef
 
@@ -1150,6 +1400,72 @@ $(transform-host-m-to-o-no-deps)
 $(transform-d-to-p)
 endef
 
+###########################################################
+## Commands for running gcc to compile a host Objective-C++ file
+###########################################################
+
+define transform-host-mm-to-o
+$(transform-host-cpp-to-o)
+endef
+
+
+###########################################################
+## Rules to compile a single C/C++ source with ../ in the path
+###########################################################
+# Replace "../" in object paths with $(DOTDOT_REPLACEMENT).
+DOTDOT_REPLACEMENT := dotdot/
+
+## Rule to compile a C++ source file with ../ in the path.
+## Must be called with $(eval).
+# $(1): the C++ source file in LOCAL_SRC_FILES.
+# $(2): the additional dependencies.
+# $(3): the variable name to collect the output object file.
+define compile-dotdot-cpp-file
+o := $(intermediates)/$(patsubst %$(LOCAL_CPP_EXTENSION),%.o,$(subst ../,$(DOTDOT_REPLACEMENT),$(1)))
+$$(o) : $(TOPDIR)$(LOCAL_PATH)/$(1) $(2)
+	$$(transform-$$(PRIVATE_HOST)cpp-to-o)
+$$(call include-depfiles-for-objs, $$(o))
+$(3) += $$(o)
+endef
+
+## Rule to compile a C source file with ../ in the path.
+## Must be called with $(eval).
+# $(1): the C source file in LOCAL_SRC_FILES.
+# $(2): the additional dependencies.
+# $(3): the variable name to collect the output object file.
+define compile-dotdot-c-file
+o := $(intermediates)/$(patsubst %.c,%.o,$(subst ../,$(DOTDOT_REPLACEMENT),$(1)))
+$$(o) : $(TOPDIR)$(LOCAL_PATH)/$(1) $(2)
+	$$(transform-$$(PRIVATE_HOST)c-to-o)
+$$(call include-depfiles-for-objs, $$(o))
+$(3) += $$(o)
+endef
+
+## Rule to compile a .S source file with ../ in the path.
+## Must be called with $(eval).
+# $(1): the .S source file in LOCAL_SRC_FILES.
+# $(2): the additional dependencies.
+# $(3): the variable name to collect the output object file.
+define compile-dotdot-s-file
+o := $(intermediates)/$(patsubst %.S,%.o,$(subst ../,$(DOTDOT_REPLACEMENT),$(1)))
+$$(o) : $(TOPDIR)$(LOCAL_PATH)/$(1) $(2)
+	$$(transform-$$(PRIVATE_HOST)s-to-o)
+$$(call include-depfiles-for-objs, $$(o))
+$(3) += $$(o)
+endef
+
+## Rule to compile a .s source file with ../ in the path.
+## Must be called with $(eval).
+# $(1): the .s source file in LOCAL_SRC_FILES.
+# $(2): the additional dependencies.
+# $(3): the variable name to collect the output object file.
+define compile-dotdot-s-file-no-deps
+o := $(intermediates)/$(patsubst %.s,%.o,$(subst ../,$(DOTDOT_REPLACEMENT),$(1)))
+$$(o) : $(TOPDIR)$(LOCAL_PATH)/$(1) $(2)
+	$$(transform-$$(PRIVATE_HOST)s-to-o-no-deps)
+$(3) += $$(o)
+endef
+
 ###########################################################
 ## Commands for running ar
 ###########################################################
@@ -1176,35 +1492,52 @@ endef
 
 # $(1): the full path of the source static library.
 define _extract-and-include-single-target-whole-static-lib
-@echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(1)]"
 $(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
     rm -rf $$ldir; \
     mkdir -p $$ldir; \
+    cp $(1) $$ldir; \
+    lib_to_include=$$ldir/$(notdir $(1)); \
     filelist=; \
+    subdir=0; \
     for f in `$($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) t $(1)`; do \
-        $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) p $(1) $$f > $$ldir/$$f; \
-        filelist="$$filelist $$ldir/$$f"; \
+        if [ -e $$ldir/$$f ]; then \
+            mkdir $$ldir/$$subdir; \
+            ext=$$subdir/; \
+            subdir=$$((subdir+1)); \
+            $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) m $$lib_to_include $$f; \
+        else \
+            ext=; \
+        fi; \
+        $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) p $$lib_to_include $$f > $$ldir/$$ext$$f; \
+        filelist="$$filelist $$ldir/$$ext$$f"; \
     done ; \
     $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_ARFLAGS) \
         $(PRIVATE_ARFLAGS) $@ $$filelist
 
 endef
 
+# $(1): the full path of the source static library.
+define extract-and-include-whole-static-libs-first
+$(if $(strip $(1)),
+$(hide) cp $(1) $@)
+endef
+
 define extract-and-include-target-whole-static-libs
-$(foreach lib,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), \
+$(call extract-and-include-whole-static-libs-first, $(firstword $(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)))
+$(foreach lib,$(wordlist 2,999,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)), \
     $(call _extract-and-include-single-target-whole-static-lib, $(lib)))
 endef
 
 # Explicitly delete the archive first so that ar doesn't
 # try to add to an existing archive.
 define transform-o-to-static-lib
+@echo "target StaticLib: $(PRIVATE_MODULE) ($@)"
 @mkdir -p $(dir $@)
 @rm -f $@
 $(extract-and-include-target-whole-static-libs)
-@echo "target StaticLib: $(PRIVATE_MODULE) ($@)"
 $(call split-long-arguments,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_AR) \
     $($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_ARFLAGS) \
-    $(PRIVATE_ARFLAGS) $@,$(filter %.o, $^))
+    $(PRIVATE_ARFLAGS) $@,$(PRIVATE_ALL_OBJECTS))
 endef
 
 ###########################################################
@@ -1213,35 +1546,46 @@ endef
 
 # $(1): the full path of the source static library.
 define _extract-and-include-single-host-whole-static-lib
-@echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(1)]"
 $(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
     rm -rf $$ldir; \
     mkdir -p $$ldir; \
+    cp $(1) $$ldir; \
+    lib_to_include=$$ldir/$(notdir $(1)); \
     filelist=; \
-    for f in `$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_AR) t $(1) | \grep '\.o$$'`; do \
-        $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_AR) p $(1) $$f > $$ldir/$$f; \
-        filelist="$$filelist $$ldir/$$f"; \
+    subdir=0; \
+    for f in `$($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)AR) t $(1) | \grep '\.o$$'`; do \
+        if [ -e $$ldir/$$f ]; then \
+           mkdir $$ldir/$$subdir; \
+           ext=$$subdir/; \
+           subdir=$$((subdir+1)); \
+           $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)AR) m $$lib_to_include $$f; \
+        else \
+           ext=; \
+        fi; \
+        $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)AR) p $$lib_to_include $$f > $$ldir/$$ext$$f; \
+        filelist="$$filelist $$ldir/$$ext$$f"; \
     done ; \
-    $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_AR) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_ARFLAGS) \
+    $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)AR) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)GLOBAL_ARFLAGS) \
         $(PRIVATE_ARFLAGS) $@ $$filelist
 
 endef
 
 define extract-and-include-host-whole-static-libs
-$(foreach lib,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), \
+$(call extract-and-include-whole-static-libs-first, $(firstword $(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)))
+$(foreach lib,$(wordlist 2,999,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)), \
     $(call _extract-and-include-single-host-whole-static-lib, $(lib)))
 endef
 
 # Explicitly delete the archive first so that ar doesn't
 # try to add to an existing archive.
 define transform-host-o-to-static-lib
+@echo "$($(PRIVATE_PREFIX)DISPLAY) StaticLib: $(PRIVATE_MODULE) ($@)"
 @mkdir -p $(dir $@)
 @rm -f $@
 $(extract-and-include-host-whole-static-libs)
-@echo "host StaticLib: $(PRIVATE_MODULE) ($@)"
-$(call split-long-arguments,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_AR) \
-    $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_ARFLAGS) \
-    $(PRIVATE_ARFLAGS) $@,$(filter %.o, $^))
+$(call split-long-arguments,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)AR) \
+    $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)GLOBAL_ARFLAGS) \
+    $(PRIVATE_ARFLAGS) $@,$(PRIVATE_ALL_OBJECTS))
 endef
 
 
@@ -1254,10 +1598,11 @@ endef
 ifneq ($(HOST_CUSTOM_LD_COMMAND),true)
 define transform-host-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
-	-Wl,-rpath-link=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES) \
-	-Wl,-rpath,\$$ORIGIN/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
+	-Wl,-rpath-link=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OUT_INTERMEDIATE_LIBRARIES) \
+	-Wl,-rpath,\$$ORIGIN/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OUT_SHARED_LIBRARIES)) \
+	-Wl,-rpath,\$$ORIGIN/$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OUT_SHARED_LIBRARIES)) \
 	-shared -Wl,-soname,$(notdir $@) \
-	$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_LD_DIRS) \
+	$($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)GLOBAL_LD_DIRS) \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	   $(PRIVATE_HOST_GLOBAL_LDFLAGS) \
 	) \
@@ -1269,6 +1614,8 @@ $(hide) $(PRIVATE_CXX) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),-lgcov) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_HOST_LIBPROFILE_RT)) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDLIBS)
@@ -1276,14 +1623,14 @@ endef
 endif
 
 define transform-host-o-to-shared-lib
+@echo "$($(PRIVATE_PREFIX)DISPLAY) SharedLib: $(PRIVATE_MODULE) ($@)"
 @mkdir -p $(dir $@)
-@echo "host SharedLib: $(PRIVATE_MODULE) ($@)"
 $(transform-host-o-to-shared-lib-inner)
 endef
 
 define transform-host-o-to-package
+@echo "$($(PRIVATE_PREFIX)DISPLAY) Package: $(PRIVATE_MODULE) ($@)"
 @mkdir -p $(dir $@)
-@echo "host Package: $(PRIVATE_MODULE) ($@)"
 $(transform-host-o-to-shared-lib-inner)
 endef
 
@@ -1292,26 +1639,13 @@ endef
 ## Commands for running gcc to link a shared library or package
 ###########################################################
 
-#echo >$@.vers "{"; \
-#echo >>$@.vers " global:"; \
-#$(BUILD_SYSTEM)/filter_symbols.sh $(TARGET_NM) "  " ";" $(filter %.o,$^) | sort -u >>$@.vers; \
-#echo >>$@.vers " local:"; \
-#echo >>$@.vers "  *;"; \
-#echo >>$@.vers "};"; \
-
-#	-Wl,--version-script=$@.vers \
-
-# ld just seems to be so finicky with command order that we allow
-# it to be overriden en-masse see combo/linux-arm.make for an example.
-ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
 define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	-Wl,-rpath,\$$ORIGIN/../lib \
-	-Wl,-shared -Wl,-soname,$(notdir $@) \
-	$(PRIVATE_LDFLAGS) \
+	-nostdlib -Wl,-soname,$(notdir $@) \
+	-Wl,--gc-sections \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl$(comma)-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
+	$(PRIVATE_TARGET_CRTBEGIN_SO_O) \
 	$(PRIVATE_ALL_OBJECTS) \
 	-Wl,--whole-archive \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
@@ -1319,19 +1653,23 @@ $(hide) $(PRIVATE_CXX) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
+	$(PRIVATE_TARGET_LIBATOMIC) \
+	$(PRIVATE_TARGET_LIBGCC) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
+	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+	$(PRIVATE_LDFLAGS) \
+	$(PRIVATE_TARGET_CRTEND_SO_O) \
 	$(PRIVATE_LDLIBS)
 endef
-endif
 
 define transform-o-to-shared-lib
-@mkdir -p $(dir $@)
 @echo "target SharedLib: $(PRIVATE_MODULE) ($@)"
-$($(PRIVATE_2ND_ARCH_VAR_PREFIX)transform-o-to-shared-lib-inner)
+@mkdir -p $(dir $@)
+$(transform-o-to-shared-lib-inner)
 endef
 
-
 ###########################################################
 ## Commands for filtering a target executable or library
 ###########################################################
@@ -1342,32 +1680,43 @@ ifneq ($(TARGET_BUILD_VARIANT),user)
 endif
 
 define transform-to-stripped
-@mkdir -p $(dir $@)
 @echo "target Strip: $(PRIVATE_MODULE) ($@)"
-$(hide) $(PRIVATE_STRIP) --strip-all $< -o $@ $(TARGET_STRIP_EXTRA)
+@mkdir -p $(dir $@)
+$(hide) $(PRIVATE_STRIP) --strip-all $< -o $@ \
+  $(if $(PRIVATE_NO_DEBUGLINK),,$(TARGET_STRIP_EXTRA))
 endef
 
 define transform-to-stripped-keep-symbols
-@mkdir -p $(dir $@)
 @echo "target Strip (keep symbols): $(PRIVATE_MODULE) ($@)"
+@mkdir -p $(dir $@)
 $(hide) $(PRIVATE_OBJCOPY) \
     `$(PRIVATE_READELF) -S $< | awk '/.debug_/ {print "-R " $$2}' | xargs` \
     $(TARGET_STRIP_KEEP_SYMBOLS_EXTRA) $< $@
 endef
 
+###########################################################
+## Commands for packing a target executable or library
+###########################################################
+
+define pack-elf-relocations
+@echo "target Pack Relocations: $(PRIVATE_MODULE) ($@)"
+$(copy-file-to-target)
+$(hide) $(RELOCATION_PACKER) $@
+endef
 
 ###########################################################
 ## Commands for running gcc to link an executable
 ###########################################################
 
-ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
 define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+$(hide) $(PRIVATE_CXX) -pie \
+	-nostdlib -Bdynamic \
+	-Wl,-dynamic-linker,$(PRIVATE_LINKER) \
+	-Wl,--gc-sections \
+	-Wl,-z,nocopyreloc \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	-Wl,-rpath,\$$ORIGIN/../lib \
-	$(PRIVATE_LDFLAGS) \
+	$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O) \
 	$(PRIVATE_ALL_OBJECTS) \
 	-Wl,--whole-archive \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
@@ -1375,35 +1724,64 @@ $(hide) $(PRIVATE_CXX) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
+	$(PRIVATE_TARGET_LIBATOMIC) \
+	$(PRIVATE_TARGET_LIBGCC) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
+	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+	$(PRIVATE_LDFLAGS) \
+	$(PRIVATE_TARGET_CRTEND_O) \
 	$(PRIVATE_LDLIBS)
 endef
-endif
 
 define transform-o-to-executable
-@mkdir -p $(dir $@)
 @echo "target Executable: $(PRIVATE_MODULE) ($@)"
-$($(PRIVATE_2ND_ARCH_VAR_PREFIX)transform-o-to-executable-inner)
+@mkdir -p $(dir $@)
+$(transform-o-to-executable-inner)
 endef
 
 
 ###########################################################
-## Commands for running gcc to link a statically linked
-## executable.  In practice, we only use this on arm, so
-## the other platforms don't have the
-## transform-o-to-static-executable defined
+## Commands for linking a static executable. In practice,
+## we only use this on arm, so the other platforms don't
+## have transform-o-to-static-executable defined.
+## Clang driver needs -static to create static executable.
+## However, bionic/linker uses -shared to overwrite.
+## Linker for x86 targets does not allow coexistance of -static and -shared,
+## so we add -static only if -shared is not used.
 ###########################################################
 
-ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
 define transform-o-to-static-executable-inner
+$(hide) $(PRIVATE_CXX) \
+	-nostdlib -Bstatic \
+	$(if $(filter $(PRIVATE_LDFLAGS),-shared),,-static) \
+	-Wl,--gc-sections \
+	-o $@ \
+	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
+	$(PRIVATE_TARGET_CRTBEGIN_STATIC_O) \
+	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+	$(PRIVATE_LDFLAGS) \
+	$(PRIVATE_ALL_OBJECTS) \
+	-Wl,--whole-archive \
+	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
+	-Wl,--no-whole-archive \
+	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
+	-Wl,--start-group \
+	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
+	$(PRIVATE_TARGET_LIBATOMIC) \
+	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+	$(PRIVATE_TARGET_LIBGCC) \
+	-Wl,--end-group \
+	$(PRIVATE_TARGET_CRTEND_O)
 endef
-endif
 
 define transform-o-to-static-executable
-@mkdir -p $(dir $@)
 @echo "target StaticExecutable: $(PRIVATE_MODULE) ($@)"
-$($(PRIVATE_2ND_ARCH_VAR_PREFIX)transform-o-to-static-executable-inner)
+@mkdir -p $(dir $@)
+$(transform-o-to-static-executable-inner)
 endef
 
 
@@ -1415,8 +1793,8 @@ HOST_FPIE_FLAGS :=
 else
 HOST_FPIE_FLAGS := -pie
 # Force the correct entry point to workaround a bug in binutils that manifests with -pie
-ifeq ($(HOST_OS),windows)
-HOST_FPIE_FLAGS += -Wl,-e_mainCRTStartup
+ifeq ($(HOST_CROSS_OS),windows)
+HOST_CROSS_FPIE_FLAGS += -Wl,-e_mainCRTStartup
 endif
 endif
 
@@ -1430,13 +1808,15 @@ $(hide) $(PRIVATE_CXX) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),-lgcov) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_HOST_LIBPROFILE_RT)) \
 	$(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-Wl,-rpath-link=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES) \
-	-Wl,-rpath,\$$ORIGIN/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)) \
-	$($(PRIVATE_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_LD_DIRS) \
+	-Wl,-rpath-link=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OUT_INTERMEDIATE_LIBRARIES) \
+	-Wl,-rpath,\$$ORIGIN/../$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OUT_SHARED_LIBRARIES)) \
+	-Wl,-rpath,\$$ORIGIN/$(notdir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)OUT_SHARED_LIBRARIES)) \
+	$($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)GLOBAL_LD_DIRS) \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 		$(PRIVATE_HOST_GLOBAL_LDFLAGS) \
-		$(HOST_FPIE_FLAGS) \
 	) \
 	$(PRIVATE_LDFLAGS) \
 	-o $@ \
@@ -1445,8 +1825,8 @@ endef
 endif
 
 define transform-host-o-to-executable
+@echo "$($(PRIVATE_PREFIX)DISPLAY) Executable: $(PRIVATE_MODULE) ($@)"
 @mkdir -p $(dir $@)
-@echo "host Executable: $(PRIVATE_MODULE) ($@)"
 $(transform-host-o-to-executable-inner)
 endef
 
@@ -1455,8 +1835,16 @@ endef
 ## Commands for running javac to make .class files
 ###########################################################
 
-#@echo "Source intermediates dir: $(PRIVATE_SOURCE_INTERMEDIATES_DIR)"
-#@echo "Source intermediates: $$(find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java')"
+# Add BUILD_NUMBER to apps default version name if it's unbundled build.
+ifdef TARGET_BUILD_APPS
+TARGET_BUILD_WITH_APPS_VERSION_NAME := true
+endif
+
+ifdef TARGET_BUILD_WITH_APPS_VERSION_NAME
+APPS_DEFAULT_VERSION_NAME := $(PLATFORM_VERSION)-$(BUILD_NUMBER_FROM_FILE)
+else
+APPS_DEFAULT_VERSION_NAME := $(PLATFORM_VERSION)
+endif
 
 # TODO: Right now we generate the asset resources twice, first as part
 # of generating the Java classes, then at the end when packaging the final
@@ -1483,23 +1871,96 @@ $(hide) $(AAPT) package $(PRIVATE_AAPT_FLAGS) -m \
     $(addprefix -G , $(PRIVATE_PROGUARD_OPTIONS_FILE)) \
     $(addprefix --min-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
     $(addprefix --target-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
-    $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-code , $(PLATFORM_SDK_VERSION))) \
-    $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-name , $(PLATFORM_VERSION)-$(BUILD_NUMBER))) \
+    $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,--version-code $(PLATFORM_SDK_VERSION)) \
+    $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,--version-name $(APPS_DEFAULT_VERSION_NAME)) \
     $(addprefix --rename-manifest-package , $(PRIVATE_MANIFEST_PACKAGE_NAME)) \
-    $(addprefix --rename-instrumentation-target-package , $(PRIVATE_MANIFEST_INSTRUMENTATION_FOR))
+    $(addprefix --rename-instrumentation-target-package , $(PRIVATE_MANIFEST_INSTRUMENTATION_FOR)) \
+    --skip-symbols-without-default-localization
+endef
+
+# Search for generated R.java/Manifest.java, copy the found R.java as $@.
+# Also copy them to a central 'R' directory to make it easier to add the files to an IDE.
+define find-generated-R.java
+$(hide) for GENERATED_MANIFEST_FILE in `find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) \
+  -name Manifest.java 2> /dev/null`; do \
+    dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print $$2;exit}' $$GENERATED_MANIFEST_FILE`; \
+    mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
+    $(ACP) -fp $$GENERATED_MANIFEST_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
+  done;
+$(hide) for GENERATED_R_FILE in `find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) \
+  -name R.java 2> /dev/null`; do \
+    dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print $$2;exit}' $$GENERATED_R_FILE`; \
+    mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
+    $(ACP) -fp $$GENERATED_R_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir \
+      || exit 31; \
+    $(ACP) -fp $$GENERATED_R_FILE $@ || exit 32; \
+  done;
+@# Ensure that the target file is always created, i.e. also in case we did not
+@# enter the GENERATED_R_FILE-loop above. This avoids unnecessary rebuilding.
+$(hide) touch $@
 endef
 
-ifeq ($(HOST_OS),windows)
-xlint_unchecked :=
-else
-xlint_unchecked := -Xlint:unchecked
-endif
+###########################################################
+# AAPT2 compilation and link
+###########################################################
+define aapt2-compile-one-resource-file
+@mkdir -p $(dir $@)
+$(hide) $(AAPT2) compile -o $(dir $@) $(PRIVATE_AAPT2_CFLAGS) --legacy $<
+endef
 
-ifeq (true, $(ENABLE_INCREMENTALJAVAC))
-incremental_dex := --incremental
-else
-incremental_dex :=
-endif
+define aapt2-compile-resource-dirs
+@mkdir -p $(dir $@)
+$(hide) $(AAPT2) compile -o $@ $(addprefix --dir ,$(PRIVATE_SOURCE_RES_DIRS)) \
+  $(PRIVATE_AAPT2_CFLAGS) --legacy
+endef
+
+# Set up rule to compile one resource file with aapt2.
+# Must be called with $(eval).
+# $(1): the source file
+# $(2): the output file
+define aapt2-compile-one-resource-file-rule
+$(2) : $(1) $(AAPT2)
+	@echo "AAPT2 compile $$@ <- $$<"
+	$$(call aapt2-compile-one-resource-file)
+endef
+
+# Convert input resource file path to output file path.
+# values-[config]/<file>.xml -> values-[config]_<file>.arsc.flat;
+# For other resource file, just replace the last "/" with "_" and
+# add .flat extension.
+#
+# $(1): the input resource file path
+# $(2): the base dir of the output file path
+# Returns: the compiled output file path
+define aapt2-compiled-resource-out-file
+$(eval _p_w := $(strip $(subst /,$(space),$(dir $(1)))))$(2)/$(subst $(space),/,$(_p_w))_$(if $(filter values%,$(lastword $(_p_w))),$(patsubst %.xml,%.arsc,$(notdir $(1))),$(notdir $(1))).flat
+endef
+
+define aapt2-link
+@mkdir -p $(dir $@)
+$(call dump-words-to-file,$(PRIVATE_RES_FLAT),$(dir $@)aapt2-flat-list)
+$(hide) $(AAPT2) link -o $@ \
+  $(PRIVATE_AAPT_FLAGS) \
+  $(addprefix --manifest ,$(PRIVATE_ANDROID_MANIFEST)) \
+  $(addprefix -I ,$(PRIVATE_AAPT_INCLUDES)) \
+  $(addprefix -I ,$(PRIVATE_SHARED_ANDROID_LIBRARIES)) \
+  $(addprefix --java ,$(PRIVATE_SOURCE_INTERMEDIATES_DIR)) \
+  $(addprefix --proguard ,$(PRIVATE_PROGUARD_OPTIONS_FILE)) \
+  $(addprefix --min-sdk-version ,$(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
+  $(addprefix --target-sdk-version ,$(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
+  $(if $(filter --product,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --product ,$(PRIVATE_TARGET_AAPT_CHARACTERISTICS))) \
+  $(addprefix -c ,$(PRIVATE_PRODUCT_AAPT_CONFIG)) \
+  $(addprefix --preferred-density ,$(PRIVATE_PRODUCT_AAPT_PREF_CONFIG)) \
+  $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,--version-code $(PLATFORM_SDK_VERSION)) \
+  $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,--version-name $(APPS_DEFAULT_VERSION_NAME)) \
+  $(addprefix --rename-manifest-package ,$(PRIVATE_MANIFEST_PACKAGE_NAME)) \
+  $(addprefix --rename-instrumentation-target-package ,$(PRIVATE_MANIFEST_INSTRUMENTATION_FOR)) \
+  $(addprefix -R , $(PRIVATE_OVERLAY_FLAT)) \
+  \@$(dir $@)aapt2-flat-list
+endef
+
+###########################################################
+xlint_unchecked := -Xlint:unchecked
 
 # emit-line, <word list>, <output file>
 define emit-line
@@ -1509,36 +1970,40 @@ endef
 # dump-words-to-file, <word list>, <output file>
 define dump-words-to-file
         @rm -f $(2)
-        @$(call emit-line,$(wordlist 1,200,$(1)),$(2))
-        @$(call emit-line,$(wordlist 201,400,$(1)),$(2))
-        @$(call emit-line,$(wordlist 401,600,$(1)),$(2))
-        @$(call emit-line,$(wordlist 601,800,$(1)),$(2))
-        @$(call emit-line,$(wordlist 801,1000,$(1)),$(2))
-        @$(call emit-line,$(wordlist 1001,1200,$(1)),$(2))
-        @$(call emit-line,$(wordlist 1201,1400,$(1)),$(2))
-        @$(call emit-line,$(wordlist 1401,1600,$(1)),$(2))
-        @$(call emit-line,$(wordlist 1601,1800,$(1)),$(2))
-        @$(call emit-line,$(wordlist 1801,2000,$(1)),$(2))
-        @$(call emit-line,$(wordlist 2001,2200,$(1)),$(2))
-        @$(call emit-line,$(wordlist 2201,2400,$(1)),$(2))
-        @$(call emit-line,$(wordlist 2401,2600,$(1)),$(2))
-        @$(call emit-line,$(wordlist 2601,2800,$(1)),$(2))
-        @$(call emit-line,$(wordlist 2801,3000,$(1)),$(2))
-        @$(call emit-line,$(wordlist 3001,3200,$(1)),$(2))
-        @$(call emit-line,$(wordlist 3201,3400,$(1)),$(2))
-        @$(call emit-line,$(wordlist 3401,3600,$(1)),$(2))
-        @$(call emit-line,$(wordlist 3601,3800,$(1)),$(2))
-        @$(call emit-line,$(wordlist 3801,4000,$(1)),$(2))
-        @$(call emit-line,$(wordlist 4001,4200,$(1)),$(2))
-        @$(call emit-line,$(wordlist 4201,4400,$(1)),$(2))
-        @$(call emit-line,$(wordlist 4401,4600,$(1)),$(2))
-        @$(call emit-line,$(wordlist 4601,4800,$(1)),$(2))
-        @$(call emit-line,$(wordlist 4801,5000,$(1)),$(2))
-        @$(if $(wordlist 5001,5002,$(1)),$(error Too many words ($(words $(1)))))
+        @touch $(2)
+        @$(call emit-line,$(wordlist 1,500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 501,1000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 1001,1500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 1501,2000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 2001,2500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 2501,3000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 3001,3500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 3501,4000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 4001,4500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 4501,5000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 5001,5500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 5501,6000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 6001,6500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 6501,7000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 7001,7500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 7501,8000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 8001,8500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 8501,9000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 9001,9500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 9501,10000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 10001,10500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 10501,11000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 11001,11500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 11501,12000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 12001,12500,$(1)),$(2))
+        @$(call emit-line,$(wordlist 12501,13000,$(1)),$(2))
+        @$(call emit-line,$(wordlist 13001,13500,$(1)),$(2))
+        @$(if $(wordlist 13501,13502,$(1)),$(error Too many words ($(words $(1)))))
 endef
 
 # For a list of jar files, unzip them to a specified directory,
-# but make sure that no META-INF files come along for the ride.
+# but make sure that no META-INF files come along for the ride,
+# unless PRIVATE_DONT_DELETE_JAR_META_INF is set.
 #
 # $(1): files to unzip
 # $(2): destination directory
@@ -1550,8 +2015,14 @@ define unzip-jar-files
       exit 1; \
     fi; \
     unzip -qo $$f -d $(2); \
-  done \
-  $(if $(PRIVATE_DONT_DELETE_JAR_META_INF),,;rm -rf $(2)/META-INF)
+  done
+  $(if $(PRIVATE_DONT_DELETE_JAR_META_INF),,$(hide) rm -rf $(2)/META-INF)
+endef
+
+# Call jack
+#
+define call-jack
+ JACK_VERSION=$(PRIVATE_JACK_VERSION) $(JACK) $(DEFAULT_JACK_EXTRA_ARGS)
 endef
 
 # Common definition to invoke javac on the host and target.
@@ -1572,13 +2043,12 @@ $(hide) mkdir -p $(PRIVATE_CLASS_INTERMEDIATES_DIR)
 $(call unzip-jar-files,$(PRIVATE_STATIC_JAVA_LIBRARIES),$(PRIVATE_CLASS_INTERMEDIATES_DIR))
 $(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list)
 $(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
-          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list; \
+          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' -and -not -name '.*' >> $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list; \
 fi
 $(hide) tr ' ' '\n' < $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list \
-    | sort -u > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
+    | $(NORMALIZE_PATH) | sort -u > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
 $(hide) if [ -s $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
     $(1) -encoding UTF-8 \
-    $(strip $(PRIVATE_JAVAC_DEBUG_FLAGS)) \
     $(if $(findstring true,$(PRIVATE_WARNINGS_ENABLE)),$(xlint_unchecked),) \
     $(2) \
     $(addprefix -classpath ,$(strip \
@@ -1607,11 +2077,12 @@ $(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) rm -rf \
         $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))))
 $(if $(PRIVATE_RMTYPEDEFS), $(hide) $(RMTYPEDEFS) -v $(PRIVATE_CLASS_INTERMEDIATES_DIR))
 $(if $(PRIVATE_JAR_MANIFEST), \
-    $(hide) sed -e 's/%BUILD_NUMBER%/$(BUILD_NUMBER)/' \
+    $(hide) sed -e "s/%BUILD_NUMBER%/$(BUILD_NUMBER_FROM_FILE)/" \
             $(PRIVATE_JAR_MANIFEST) > $(dir $@)/manifest.mf && \
         jar -cfm $@ $(dir $@)/manifest.mf \
             -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) ., \
     $(hide) jar -cf $@ -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .)
+$(if $(PRIVATE_EXTRA_JAR_ARGS),$(call add-java-resources-to,$@))
 endef
 
 define transform-java-to-classes.jar
@@ -1619,67 +2090,243 @@ define transform-java-to-classes.jar
 $(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH))
 endef
 
-# Override the above definitions if we want to do incremetal javac
-ifeq (true, $(ENABLE_INCREMENTALJAVAC))
-define compile-java
+# Invoke Jack to compile java from source to dex and jack files.
+#
+# Some historical notes:
+# - below we write the list of java files to java-source-list to avoid argument
+#   list length problems with Cygwin
+# - we filter out duplicate java file names because Jack doesn't like them.
+define jack-java-to-dex
+$(hide) rm -f $@
+$(hide) rm -f $(PRIVATE_CLASSES_JACK)
+$(hide) rm -rf $(PRIVATE_JACK_INTERMEDIATES_DIR)
 $(hide) mkdir -p $(dir $@)
-$(hide) mkdir -p $(PRIVATE_CLASS_INTERMEDIATES_DIR)
-$(hide) touch $(PRIVATE_CLASS_INTERMEDIATES_DIR)/newstamp
-$(call unzip-jar-files,$(PRIVATE_STATIC_JAVA_LIBRARIES),$(PRIVATE_CLASS_INTERMEDIATES_DIR))
-$(hide) if [ -e $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp ] ; then \
-        newerFlag=$$(echo -n "-newer $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp") ; \
-    fi ; \
-    find $(PRIVATE_JAVA_SOURCES) $$newerFlag > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list ; \
-    if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
-        find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' $$newerFlag >> $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list; \
-    fi
-$(hide) tr ' ' '\n' < $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list \
-    | sort -u > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
-@echo "(Incremental) build source files:"
-@cat $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
-$(hide) if [ -s $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
-    $(1) -encoding UTF-8 \
-    $(strip $(PRIVATE_JAVAC_DEBUG_FLAGS)) \
-    $(if $(findstring true,$(PRIVATE_WARNINGS_ENABLE)),$(xlint_unchecked),) \
-    $(2) \
-    $(addprefix -classpath ,$(strip \
-        $(call normalize-path-list,$(PRIVATE_ALL_JAVA_LIBRARIES) $(PRIVATE_CLASS_INTERMEDIATES_DIR)))) \
-    $(if $(findstring true,$(PRIVATE_WARNINGS_ENABLE)),$(xlint_unchecked),) \
-    -extdirs "" -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
-    $(PRIVATE_JAVACFLAGS) \
-    \@$(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq \
-    || ( exit 41 ) \
+$(hide) mkdir -p $(dir $(PRIVATE_CLASSES_JACK))
+$(hide) mkdir -p $(PRIVATE_JACK_INTERMEDIATES_DIR)
+$(if $(PRIVATE_JACK_INCREMENTAL_DIR),$(hide) mkdir -p $(PRIVATE_JACK_INCREMENTAL_DIR))
+$(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list)
+$(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
+          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list; \
 fi
-$(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list
-$(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
+$(hide) tr ' ' '\n' < $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list \
+    | $(NORMALIZE_PATH) | sort -u > $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq
+$(if $(PRIVATE_JACK_PROGUARD_FLAGS), \
+    $(hide) echo -basedirectory $(CURDIR) > $@.flags; \
+    echo $(PRIVATE_JACK_PROGUARD_FLAGS) >> $@.flags; \
+)
+$(if $(PRIVATE_EXTRA_JAR_ARGS),
+    $(hide) mkdir -p $@.res.tmp
+    $(hide) $(call create-empty-package-at,$@.res.tmp.zip)
+    $(hide) $(call add-java-resources-to,$@.res.tmp.zip)
+    $(hide) unzip -qo $@.res.tmp.zip -d $@.res.tmp
+    $(hide) rm $@.res.tmp.zip)
+$(hide) if [ -s $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
+    export tmpEcjArg="@$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq"; \
+else \
+    export tmpEcjArg=""; \
+fi; \
+$(call call-jack) \
+    $(strip $(PRIVATE_JACK_FLAGS)) \
+    $(strip $(PRIVATE_JACK_COVERAGE_OPTIONS)) \
+    $(if $(NO_OPTIMIZE_DX), \
+        -D jack.dex.optimize="false") \
+    $(if $(PRIVATE_RMTYPEDEFS), \
+        -D jack.android.remove-typedef="true") \
+    $(addprefix --classpath ,$(strip \
+        $(call normalize-path-list,$(PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES) $(PRIVATE_ALL_JACK_LIBRARIES)))) \
+    $(addprefix --import ,$(call reverse-list,$(PRIVATE_STATIC_JACK_LIBRARIES))) \
+    $(if $(PRIVATE_EXTRA_JAR_ARGS),--import-resource $@.res.tmp) \
+    -D jack.android.min-api-level=$(PRIVATE_JACK_MIN_SDK_VERSION) \
+    -D jack.import.resource.policy=keep-first \
+    -D jack.import.type.policy=keep-first \
+    --output-jack $(PRIVATE_CLASSES_JACK) \
+    $(if $(PRIVATE_JACK_INCREMENTAL_DIR),--incremental-folder $(PRIVATE_JACK_INCREMENTAL_DIR)) \
+    --output-dex $(PRIVATE_JACK_INTERMEDIATES_DIR) \
+    $(addprefix --config-jarjar ,$(strip $(PRIVATE_JARJAR_RULES))) \
+    $(if $(PRIVATE_JACK_PROGUARD_FLAGS),--config-proguard $@.flags) \
+    $$tmpEcjArg \
+    || ( rm -rf $(PRIVATE_CLASSES_JACK); exit 41 )
+$(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/classes*.dex $(dir $@)
+$(hide) rm -f $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list
+$(if $(PRIVATE_EXTRA_JAR_ARGS),$(hide) rm -rf $@.res.tmp)
+$(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq $(PRIVATE_JACK_INTERMEDIATES_DIR).java-source-list
+$(if $(PRIVATE_JAR_PACKAGES), $(hide) echo unsupported options PRIVATE_JAR_PACKAGES in $@; exit 53)
+$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) echo unsupported options JAR_EXCLUDE_PACKAGES in $@; exit 53)
+$(if $(PRIVATE_JAR_MANIFEST), $(hide) echo unsupported options JAR_MANIFEST in $@; exit 53)
+endef
+
+# Invoke Jack to compile java source just to check it compiles correctly.
+#
+# Some historical notes:
+# - below we write the list of java files to java-source-list to avoid argument
+#   list length problems with Cygwin
+# - we filter out duplicate java file names because Jack doesn't like them.
+define jack-check-java
 $(hide) rm -f $@
-$(if $(PRIVATE_JAR_EXCLUDE_FILES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
-    -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
-    $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
-    | xargs rm -rf)
-$(if $(PRIVATE_JAR_PACKAGES), \
-    $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -mindepth 1 -type f \
-        $(foreach pkg, $(PRIVATE_JAR_PACKAGES), \
-            -not -path $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))/\*) -delete ; \
-        find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -empty -delete)
-$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) rm -rf \
-    $(foreach pkg, $(PRIVATE_JAR_EXCLUDE_PACKAGES), \
-        $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))))
-$(if $(PRIVATE_RMTYPEDEFS), $(hide) $(RMTYPEDEFS) -v $(PRIVATE_CLASS_INTERMEDIATES_DIR))
-$(if $(PRIVATE_JAR_MANIFEST), \
-    $(hide) sed -e 's/%BUILD_NUMBER%/$(BUILD_NUMBER)/' \
-            $(PRIVATE_JAR_MANIFEST) > $(dir $@)/manifest.mf && \
-        jar -cfm $@ $(dir $@)/manifest.mf \
-            -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) ., \
-    $(hide) jar -cf $@ -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .)
-$(hide) mv $(PRIVATE_CLASS_INTERMEDIATES_DIR)/newstamp $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp
+$(hide) rm -f $@.java-source-list
+$(hide) rm -f $@.java-source-list-uniq
+$(hide) mkdir -p $(dir $@)
+$(if $(PRIVATE_JACK_INCREMENTAL_DIR),$(hide) mkdir -p $(PRIVATE_JACK_INCREMENTAL_DIR))
+$(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$@.java-source-list)
+$(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
+          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $@.java-source-list; \
+fi
+$(hide) tr ' ' '\n' < $@.java-source-list \
+    | sort -u > $@.java-source-list-uniq
+$(hide) if [ -s $@.java-source-list-uniq ] ; then \
+	$(call call-jack,$(PRIVATE_JACK_EXTRA_ARGS)) \
+	    $(strip $(PRIVATE_JACK_FLAGS)) \
+	    $(strip $(PRIVATE_JACK_DEBUG_FLAGS)) \
+	    $(addprefix --classpath ,$(strip \
+	        $(call normalize-path-list,$(call reverse-list,$(PRIVATE_STATIC_JACK_LIBRARIES)) $(PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES) $(PRIVATE_ALL_JACK_LIBRARIES)))) \
+	    -D jack.import.resource.policy=keep-first \
+	    -D jack.android.min-api-level=$(PRIVATE_JACK_MIN_SDK_VERSION) \
+	    -D jack.import.type.policy=keep-first \
+	    $(if $(PRIVATE_JACK_INCREMENTAL_DIR),--incremental-folder $(PRIVATE_JACK_INCREMENTAL_DIR)) \
+	    @$@.java-source-list-uniq; \
+fi
+touch $@
+endef
+
+define transform-jar-to-jack
+	$(hide) mkdir -p $(dir $@)
+	$(hide) mkdir -p $@.tmpjill.res
+	$(hide) unzip -qo $< -d $@.tmpjill.res
+	$(hide) find $@.tmpjill.res -iname "*.class" -delete
+	$(hide) $(call call-jack) \
+	    $(PRIVATE_JACK_FLAGS) \
+        -D jack.import.resource.policy=keep-first \
+        -D jack.import.type.policy=keep-first \
+        -D jack.android.min-api-level=$(PRIVATE_JACK_MIN_SDK_VERSION) \
+	    --import $< \
+	    --import-resource $@.tmpjill.res \
+	    --output-jack $@
+	$(hide) rm -rf $@.tmpjill.res
+endef
+
+# Moves $1.tmp to $1 if necessary. This is designed to be used with
+# .KATI_RESTAT. For kati, this function doesn't update the timestamp
+# of $1 when $1.tmp is identical to $1 so that ninja won't rebuild
+# targets which depend on $1. For GNU make, this function simply
+# copies $1.tmp to $1.
+ifeq ($(BUILDING_WITH_NINJA),true)
+define commit-change-for-toc
+$(hide) if cmp -s $1.tmp $1 ; then \
+ rm $1.tmp ; \
+else \
+ mv $1.tmp $1 ; \
+fi
+endef
+else
+define commit-change-for-toc
+@# make doesn't support restat. We always update .toc files so the dependents will always be updated too.
+$(hide) mv $1.tmp $1
 endef
+endif
 
-define transform-java-to-classes.jar
-@echo "target Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
-$(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH))
+## Rule to create a table of contents from a .jar file.
+## Must be called with $(eval).
+# $(1): A .jar file
+define _transform-jar-to-toc
+$1.toc: $1 | $(IJAR)
+	@echo Generating TOC: $$@
+	$(hide) $(IJAR) $$< $$@.tmp
+	$$(call commit-change-for-toc,$$@)
+endef
+
+## Define a rule which generates .jar.toc and mark it as .KATI_RESTAT.
+# $(1): A .jar file
+define define-jar-to-toc-rule
+$(eval $(call _transform-jar-to-toc,$1))\
+$(eval .KATI_RESTAT: $1.toc)
+endef
+
+ifeq (,$(TARGET_BUILD_APPS))
+
+## Rule to create a table of contents from a .dex file.
+## Must be called with $(eval).
+# $(1): The directory which contains classes*.dex files
+define _transform-dex-to-toc
+$1/classes.dex.toc: PRIVATE_INPUT_DEX_FILES := $1/classes*.dex
+$1/classes.dex.toc: $1/classes.dex $(DEXDUMP)
+	@echo Generating TOC: $$@
+	$(hide) $(DEXDUMP) -l xml $$(PRIVATE_INPUT_DEX_FILES) > $$@.tmp
+	$$(call commit-change-for-toc,$$@)
+endef
+
+## Define a rule which generates .dex.toc and mark it as .KATI_RESTAT.
+# $(1): The directory which contains classes*.dex files
+define define-dex-to-toc-rule
+$(eval $(call _transform-dex-to-toc,$1))\
+$(eval .KATI_RESTAT: $1/classes.dex.toc)
+endef
+
+else
+
+# Turn off .toc optimization for apps build as we cannot build dexdump.
+define define-dex-to-toc-rule
+endef
+
+endif  # TARGET_BUILD_APPS
+
+
+# Invoke Jack to compile java from source to jack files without shrink or obfuscation.
+#
+# Some historical notes:
+# - below we write the list of java files to java-source-list to avoid argument
+#   list length problems with Cygwin
+# - we filter out duplicate java file names because Jack doesn't like them.
+define java-to-jack
+$(hide) rm -f $@
+$(hide) rm -rf $(PRIVATE_JACK_INTERMEDIATES_DIR)
+$(hide) mkdir -p $(dir $@)
+$(hide) mkdir -p $(PRIVATE_JACK_INTERMEDIATES_DIR)
+$(if $(PRIVATE_JACK_INCREMENTAL_DIR),$(hide) mkdir -p $(PRIVATE_JACK_INCREMENTAL_DIR))
+$(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list)
+$(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
+          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list; \
+fi
+$(hide) tr ' ' '\n' < $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list \
+    | $(NORMALIZE_PATH) | sort -u > $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq
+$(if $(PRIVATE_JACK_PROGUARD_FLAGS), \
+    $(hide) echo -basedirectory $(CURDIR) > $@.flags; \
+    echo $(PRIVATE_JACK_PROGUARD_FLAGS) >> $@.flags; \
+)
+$(if $(PRIVATE_EXTRA_JAR_ARGS),
+	$(hide) mkdir -p $@.res.tmp
+	$(hide) $(call create-empty-package-at,$@.res.tmp.zip)
+	$(hide) $(call add-java-resources-to,$@.res.tmp.zip)
+	$(hide) unzip -qo $@.res.tmp.zip -d $@.res.tmp
+	$(hide) rm $@.res.tmp.zip)
+$(hide) if [ -s $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
+    export tmpEcjArg="@$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq"; \
+else \
+    export tmpEcjArg=""; \
+fi; \
+$(call call-jack) \
+    $(strip $(PRIVATE_JACK_FLAGS)) \
+    $(if $(NO_OPTIMIZE_DX), \
+        -D jack.dex.optimize="false") \
+    $(addprefix --classpath ,$(strip \
+        $(call normalize-path-list,$(PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES) $(PRIVATE_ALL_JACK_LIBRARIES)))) \
+    $(addprefix --import ,$(call reverse-list,$(PRIVATE_STATIC_JACK_LIBRARIES))) \
+    $(if $(PRIVATE_EXTRA_JAR_ARGS),--import-resource $@.res.tmp) \
+    -D jack.import.resource.policy=keep-first \
+    -D jack.import.type.policy=keep-first \
+    -D jack.android.min-api-level=$(PRIVATE_JACK_MIN_SDK_VERSION) \
+    $(if $(PRIVATE_JACK_INCREMENTAL_DIR),--incremental-folder $(PRIVATE_JACK_INCREMENTAL_DIR)) \
+    --output-jack $@ \
+    $(addprefix --config-jarjar ,$(strip $(PRIVATE_JARJAR_RULES))) \
+    $(if $(PRIVATE_JACK_PROGUARD_FLAGS),--config-proguard $@.flags) \
+    $$tmpEcjArg \
+    || ( rm -f $@ ; exit 41 )
+$(hide) rm -f $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list
+$(if $(PRIVATE_EXTRA_JAR_ARGS),$(hide) rm -rf $@.res.tmp)
+$(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq $(PRIVATE_JACK_INTERMEDIATES_DIR).java-source-list
+$(if $(PRIVATE_JAR_PACKAGES), $(hide) echo unsupported options PRIVATE_JAR_PACKAGES in $@; exit 53)
+$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) echo unsupported options JAR_EXCLUDE_PACKAGES in $@; exit 53)
+$(if $(PRIVATE_JAR_MANIFEST), $(hide) echo unsupported options JAR_MANIFEST in $@; exit 53)
 endef
-endif # ENABLE_INCREMENTALJAVAC
 
 define transform-classes.jar-to-emma
 $(hide) java -classpath $(EMMA_JAR) emma instr -outmode fullcopy -outfile \
@@ -1687,36 +2334,34 @@ $(hide) java -classpath $(EMMA_JAR) emma instr -outmode fullcopy -outfile \
     $(addprefix -ix , $(PRIVATE_EMMA_COVERAGE_FILTER))
 endef
 
-#TODO: use a smaller -Xmx value for most libraries;
-#      only core.jar and framework.jar need a heap this big.
-# Avoid the memory arguments on Windows, dx fails to load for some reason with them.
-define transform-classes.jar-to-dex
-@echo "target Dex: $(PRIVATE_MODULE)"
-@mkdir -p $(dir $@)
-$(hide) rm -f $(dir $@)classes*.dex
-$(hide) $(DX) \
-    $(if $(findstring windows,$(HOST_OS)),,-JXms16M -JXmx2048M) \
-    --dex --output=$(dir $@) \
-    $(incremental_dex) \
-    $(if $(NO_OPTIMIZE_DX), \
-        --no-optimize) \
-    $(if $(GENERATE_DEX_DEBUG), \
-	    --debug --verbose \
-	    --dump-to=$(@:.dex=.lst) \
-	    --dump-width=1000) \
-    $(PRIVATE_DX_FLAGS) \
-    $<
+# Create a mostly-empty .jar file that we'll add to later.
+# The MacOS jar tool doesn't like creating empty jar files,
+# so we need to give it something.
+# $(1) package to create
+define create-empty-package-at
+@mkdir -p $(dir $(1))
+$(hide) touch $(dir $(1))zipdummy
+$(hide) (cd $(dir $(1)) && jar cf $(notdir $(1)) zipdummy)
+$(hide) zip -qd $(1) zipdummy
+$(hide) rm $(dir $(1))zipdummy
 endef
 
 # Create a mostly-empty .jar file that we'll add to later.
 # The MacOS jar tool doesn't like creating empty jar files,
 # so we need to give it something.
 define create-empty-package
-@mkdir -p $(dir $@)
-$(hide) touch $(dir $@)dummy
-$(hide) (cd $(dir $@) && jar cf $(notdir $@) dummy)
-$(hide) zip -qd $@ dummy
-$(hide) rm $(dir $@)dummy
+$(call create-empty-package-at,$@)
+endef
+
+# Copy an arhchive file and delete any class files and empty folders inside.
+# $(1): the source archive file.
+# $(2): the destination archive file.
+define initialize-package-file
+@mkdir -p $(dir $(2))
+$(hide) cp -f $(1) $(2)
+$(hide) zip -qd $(2) "*.class" \
+    $(if $(strip $(PRIVATE_DONT_DELETE_JAR_DIRS)),,"*/") \
+    || true # Ignore the error when nothing to delete.
 endef
 
 #TODO: we kinda want to build different asset packages for
@@ -1738,11 +2383,12 @@ $(hide) $(AAPT) package -u $(PRIVATE_AAPT_FLAGS) \
     $(addprefix -I , $(PRIVATE_AAPT_INCLUDES)) \
     $(addprefix --min-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
     $(addprefix --target-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
-    $(if $(filter --product,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --product , $(TARGET_AAPT_CHARACTERISTICS))) \
-    $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-code , $(PLATFORM_SDK_VERSION))) \
-    $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-name , $(PLATFORM_VERSION)-$(BUILD_NUMBER))) \
+    $(if $(filter --product,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --product , $(PRIVATE_TARGET_AAPT_CHARACTERISTICS))) \
+    $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,--version-code $(PLATFORM_SDK_VERSION)) \
+    $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,--version-name $(APPS_DEFAULT_VERSION_NAME)) \
     $(addprefix --rename-manifest-package , $(PRIVATE_MANIFEST_PACKAGE_NAME)) \
     $(addprefix --rename-instrumentation-target-package , $(PRIVATE_MANIFEST_INSTRUMENTATION_FOR)) \
+    --skip-symbols-without-default-localization \
     -F $@
 endef
 
@@ -1754,59 +2400,121 @@ $(hide) cp $(2) $(dir $@)lib/$(1)
 
 endef
 
+# For apps_only build, don't uncompress/page-align the jni libraries,
+# because the apk may be run on older platforms that don't support loading jni directly from apk.
+ifdef TARGET_BUILD_APPS
+JNI_COMPRESS_FLAGS :=
+ZIPALIGN_PAGE_ALIGN_FLAGS :=
+else
+JNI_COMPRESS_FLAGS := -0
+ZIPALIGN_PAGE_ALIGN_FLAGS := -p
+endif
+
 define add-jni-shared-libs-to-package
 $(hide) rm -rf $(dir $@)lib
 $(hide) mkdir -p $(addprefix $(dir $@)lib/,$(PRIVATE_JNI_SHARED_LIBRARIES_ABI))
 $(foreach abi,$(PRIVATE_JNI_SHARED_LIBRARIES_ABI),\
   $(call _add-jni-shared-libs-to-package-per-abi,$(abi),\
     $(patsubst $(abi):%,%,$(filter $(abi):%,$(PRIVATE_JNI_SHARED_LIBRARIES)))))
-$(hide) (cd $(dir $@) && zip -r $(notdir $@) lib)
+$(hide) (cd $(dir $@) && zip -qrX $(JNI_COMPRESS_FLAGS) $(notdir $@) lib)
 $(hide) rm -rf $(dir $@)lib
 endef
 
 #TODO: update the manifest to point to the dex file
 define add-dex-to-package
-$(hide) zip -qj $@ $(dir $(PRIVATE_DEX_FILE))classes*.dex
+$(call add-dex-to-package-arg,$@)
+endef
+
+# $(1): the package file.
+define add-dex-to-package-arg
+$(hide) find $(dir $(PRIVATE_DEX_FILE)) -maxdepth 1 -name "classes*.dex" | sort | xargs zip -qjX $(1)
 endef
 
 # Add java resources added by the current module.
+# $(1) destination package
 #
-define add-java-resources-to-package
-$(call dump-words-to-file, $(PRIVATE_EXTRA_JAR_ARGS), $(dir $@)jar-arg-list)
-$(hide) jar uf $@ @$(dir $@)jar-arg-list
-@rm -f $(dir $@)jar-arg-list
+define add-java-resources-to
+$(call dump-words-to-file, $(PRIVATE_EXTRA_JAR_ARGS), $(1).jar-arg-list)
+$(hide) jar uf $(1) @$(1).jar-arg-list
+@rm -f $(1).jar-arg-list
 endef
 
-# Add java resources carried by static Java libraries.
+# Add resources carried by static Jack libraries.
 #
-define add-carried-java-resources
-$(hide) if [ -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) ] ; then \
-    java_res_jar_flags=$$(find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -type f -a -not -name "*.class" \
-        | sed -e "s?^$(PRIVATE_CLASS_INTERMEDIATES_DIR)/? -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) ?"); \
-    if [ -n "$$java_res_jar_flags" ] ; then \
-        echo $$java_res_jar_flags >$(dir $@)java_res_jar_flags; \
-        jar uf $@ $$java_res_jar_flags; \
+define add-carried-jack-resources
+ $(hide) if [ -d $(PRIVATE_JACK_INTERMEDIATES_DIR) ] ; then \
+    find $(PRIVATE_JACK_INTERMEDIATES_DIR) -type f | sort \
+        | sed -e "s?^$(PRIVATE_JACK_INTERMEDIATES_DIR)/? -C \"$(PRIVATE_JACK_INTERMEDIATES_DIR)\" \"?" -e "s/$$/\"/" \
+        > $(dir $@)jack_res_jar_flags; \
+    if [ -s $(dir $@)jack_res_jar_flags ] ; then \
+        jar uf $@ @$(dir $@)jack_res_jar_flags; \
     fi; \
 fi
 endef
 
+# Returns the minSdkVersion of the specified APK as a decimal number. If the
+# version is a codename, returns the current platform SDK version (always a
+# decimal number) instead. If the APK does not specify a minSdkVersion, returns
+# 0 to match how the Android platform interprets this situation at runtime.
+#
+# This currently substitutes any version which contains characters other than
+# digits with the current platform's API Level number. This is because I
+# couldn't figure out an easy way to perform the substitution only for the
+# version codes listed in PLATFORM_VERSION_ALL_CODENAMES.
+define get-package-min-sdk-version-int
+$$(($(AAPT) dump badging $(1) 2>&1 | grep '^sdkVersion' || echo "sdkVersion:'0'") \
+    | cut -d"'" -f2 | \
+    sed -e s/^.*[^0-9].*$$/$(PLATFORM_SDK_VERSION)/)
+endef
+
 # Sign a package using the specified key/cert.
 #
 define sign-package
-$(hide) mv $@ $@.unsigned
-$(hide) java -jar $(SIGNAPK_JAR) \
+$(call sign-package-arg,$@)
+endef
+
+# $(1): the package file we are signing.
+define sign-package-arg
+$(hide) mv $(1) $(1).unsigned
+$(hide) java -Djava.library.path=$(SIGNAPK_JNI_LIBRARY_PATH) -jar $(SIGNAPK_JAR) \
+    --min-sdk-version $(call get-package-min-sdk-version-int,$@.unsigned) \
     $(PRIVATE_CERTIFICATE) $(PRIVATE_PRIVATE_KEY) \
-    $(PRIVATE_ADDITIONAL_CERTIFICATES) $@.unsigned $@.signed
-$(hide) mv $@.signed $@
+    $(PRIVATE_ADDITIONAL_CERTIFICATES) $(1).unsigned $(1).signed
+$(hide) mv $(1).signed $(1)
 endef
 
-# Align STORED entries of a package on 4-byte boundaries
-# to make them easier to mmap.
+# Align STORED entries of a package on 4-byte boundaries to make them easier to mmap.
 #
 define align-package
-$(hide) mv $@ $@.unaligned
-$(hide) $(ZIPALIGN) -f 4 $@.unaligned $@.aligned
-$(hide) mv $@.aligned $@
+$(hide) if ! $(ZIPALIGN) -c $(ZIPALIGN_PAGE_ALIGN_FLAGS) 4 $@ >/dev/null ; then \
+  mv $@ $@.unaligned; \
+  $(ZIPALIGN) \
+    -f \
+    $(ZIPALIGN_PAGE_ALIGN_FLAGS) \
+    4 \
+    $@.unaligned $@.aligned; \
+  mv $@.aligned $@; \
+  fi
+endef
+
+# Remove dynamic timestamps from packages
+#
+ifndef TARGET_BUILD_APPS
+define remove-timestamps-from-package
+$(hide) $(ZIPTIME) $@
+endef
+endif
+
+# Uncompress shared libraries embedded in an apk.
+#
+define uncompress-shared-libs
+$(hide) if (zipinfo $@ $(PRIVATE_EMBEDDED_JNI_LIBS) 2>/dev/null | grep -v ' stor ' >/dev/null) ; then \
+  rm -rf $(dir $@)uncompressedlibs && mkdir $(dir $@)uncompressedlibs; \
+  unzip $@ $(PRIVATE_EMBEDDED_JNI_LIBS) -d $(dir $@)uncompressedlibs && \
+  zip -d $@ 'lib/*.so' && \
+  ( cd $(dir $@)uncompressedlibs && find lib -type f | sort | zip -D -X -0 ../$(notdir $@) -@ ) && \
+  rm -rf $(dir $@)uncompressedlibs; \
+  fi
 endef
 
 define install-dex-debug
@@ -1829,9 +2537,8 @@ endef
 # Note: we intentionally don't clean PRIVATE_CLASS_INTERMEDIATES_DIR
 # in transform-java-to-classes for the sake of vm-tests.
 define transform-host-java-to-package
-@echo "host Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
+@echo "$($(PRIVATE_PREFIX)DISPLAY) Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
 $(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH))
-$(if $(PRIVATE_EXTRA_JAR_ARGS), $(call add-java-resources-to-package))
 endef
 
 ###########################################################
@@ -1947,31 +2654,16 @@ define transform-prebuilt-to-target-strip-comments
 $(copy-file-to-target-strip-comments)
 endef
 
-###########################################################
-## On some platforms (MacOS), after copying a static
-## library, ranlib must be run to update an internal
-## timestamp!?!?!
-###########################################################
-
-ifeq ($(HOST_RUN_RANLIB_AFTER_COPYING),true)
-define transform-host-ranlib-copy-hack
-    $(hide) ranlib $@ || true
+# Copy a list of files/directories to target location, with sub dir structure preserved.
+# For example $(HOST_OUT_EXECUTABLES)/aapt -> $(staging)/bin/aapt .
+# $(1): the source list of files/directories.
+# $(2): the path prefix to strip. In the above example it would be $(HOST_OUT).
+# $(3): the target location.
+define copy-files-with-structure
+$(foreach t,$(1),\
+  $(eval s := $(patsubst $(2)%,%,$(t)))\
+  $(hide) mkdir -p $(dir $(3)/$(s)); cp -Rf $(t) $(3)/$(s)$(newline))
 endef
-else
-define transform-host-ranlib-copy-hack
-@true
-endef
-endif
-
-ifeq ($(TARGET_RUN_RANLIB_AFTER_COPYING),true)
-define transform-ranlib-copy-hack
-    $(hide) ranlib $@
-endef
-else
-define transform-ranlib-copy-hack
-@true
-endef
-endif
 
 
 ###########################################################
@@ -2192,12 +2884,13 @@ $(if $(call if-build-from-source,$(2),$(3)),$(eval include $(1)))
 endef
 
 # Return the arch for the source file of a prebuilt
-# Return "none" if no matching arch found, so the result can be passed to
+# Return "none" if no matching arch found and return empty
+# if the input is empty, so the result can be passed to
 # LOCAL_MODULE_TARGET_ARCH.
 # $(1) the list of archs supported by the prebuilt
 define get-prebuilt-src-arch
 $(strip $(if $(filter $(TARGET_ARCH),$(1)),$(TARGET_ARCH),\
-  $(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),none)))
+  $(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),$(if $(1),none))))
 endef
 
 ###########################################################
@@ -2211,6 +2904,8 @@ include $(BUILD_SYSTEM)/distdir.mk
 
 # Include any vendor specific definitions.mk file
 -include $(TOPDIR)vendor/*/build/core/definitions.mk
+-include $(TOPDIR)device/*/build/core/definitions.mk
+-include $(TOPDIR)product/*/build/core/definitions.mk
 
 # broken:
 #	$(foreach file,$^,$(if $(findstring,.a,$(suffix $file)),-l$(file),$(file)))
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 8a19b669f..1150350f0 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -3,8 +3,6 @@
 #
 ####################################
 
-ifneq ($(DALVIK_VM_LIB),)
-
 # list of boot classpath jars for dexpreopt
 DEXPREOPT_BOOT_JARS := $(subst $(space),:,$(PRODUCT_BOOT_JARS))
 DEXPREOPT_BOOT_JARS_MODULES := $(PRODUCT_BOOT_JARS)
@@ -18,6 +16,35 @@ DEXPREOPT_PRODUCT_DIR := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(DEXPREOPT_PRODU
 DEXPREOPT_BOOT_JAR_DIR := system/framework
 DEXPREOPT_BOOT_JAR_DIR_FULL_PATH := $(DEXPREOPT_PRODUCT_DIR_FULL_PATH)/$(DEXPREOPT_BOOT_JAR_DIR)
 
+# The default value for LOCAL_DEX_PREOPT
+DEX_PREOPT_DEFAULT ?= true
+
+# The default filter for which files go into the system_other image (if it is
+# being used). To bundle everything one should set this to '%'
+SYSTEM_OTHER_ODEX_FILTER ?= app/% priv-app/%
+
+# The default values for pre-opting: always preopt PIC.
+# Conditional to building on linux, as dex2oat currently does not work on darwin.
+#ifeq ($(HOST_OS),linux)
+#  WITH_DEXPREOPT_PIC ?= true
+#  WITH_DEXPREOPT ?= true
+# For an eng build only pre-opt the boot image. This gives reasonable performance and still
+# allows a simple workflow: building in frameworks/base and syncing.
+#  ifeq (eng,$(TARGET_BUILD_VARIANT))
+#    WITH_DEXPREOPT_BOOT_IMG_ONLY ?= true
+#  endif
+# Add mini-debug-info to the boot classpath unless explicitly asked not to.
+#  ifneq (false,$(WITH_DEXPREOPT_DEBUG_INFO))
+#    PRODUCT_DEX_PREOPT_BOOT_FLAGS += --generate-mini-debug-info
+#  endif
+#endif
+
+GLOBAL_DEXPREOPT_FLAGS :=
+ifeq ($(WITH_DEXPREOPT_PIC),true)
+# Compile boot.oat as position-independent code if WITH_DEXPREOPT_PIC=true
+GLOBAL_DEXPREOPT_FLAGS += --compile-pic
+endif
+
 # $(1): the .jar or .apk to remove classes.dex
 define dexpreopt-remove-classes.dex
 $(hide) zip --quiet --delete $(1) classes.dex; \
@@ -34,7 +61,7 @@ define _dexpreopt-boot-jar-remove-classes.dex
 _dbj_jar_no_dex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1)_nodex.jar
 _dbj_src_jar := $(call intermediates-dir-for,JAVA_LIBRARIES,$(1),,COMMON)/javalib.jar
 
-$$(_dbj_jar_no_dex) : $$(_dbj_src_jar) | $(ACP) $(AAPT)
+$$(_dbj_jar_no_dex) : $$(_dbj_src_jar) | $(ACP)
 	$$(call copy-file-to-target)
 ifneq ($(DEX_PREOPT_DEFAULT),nostripping)
 	$$(call dexpreopt-remove-classes.dex,$$@)
@@ -46,36 +73,17 @@ endef
 
 $(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-jar-remove-classes.dex,$(b))))
 
-# Conditionally include Dalvik support.
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-include $(BUILD_SYSTEM)/dex_preopt_libdvm.mk
-endif
-
-# Unconditionally include ART support because its used run dex2oat on the host for tests.
 include $(BUILD_SYSTEM)/dex_preopt_libart.mk
 
 # Define dexpreopt-one-file based on current default runtime.
 # $(1): the input .jar or .apk file
 # $(2): the output .odex file
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-define dexpreopt-one-file
-$(call dexopt-one-file,$(1),$(2))
-endef
-
-DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS := $(DEXOPT_DEPENDENCY)
-DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $(DEXPREOPT_BOOT_ODEXS)
-else
 define dexpreopt-one-file
 $(call dex2oat-one-file,$(1),$(2))
 endef
 
-DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS := $(DEX2OATD_DEPENDENCY)
+DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS := $(DEX2OAT_DEPENDENCY)
 DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $(DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
 ifdef TARGET_2ND_ARCH
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $($(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
 endif  # TARGET_2ND_ARCH
-endif  # DALVIK_VM_LIB
-else
-$(warning No DALVIK_VM_LIB, disable dexpreopt.)
-WITH_DEXPREOPT := false
-endif  # DALVIK_VM_LIB is defined.
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index cfbf2218f..1275e4861 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -3,18 +3,19 @@
 #
 ####################################
 
+# Default to debug version to help find bugs.
+# Set USE_DEX2OAT_DEBUG to false for only building non-debug versions.
+ifeq ($(USE_DEX2OAT_DEBUG),false)
 DEX2OAT := $(HOST_OUT_EXECUTABLES)/dex2oat$(HOST_EXECUTABLE_SUFFIX)
-DEX2OATD := $(HOST_OUT_EXECUTABLES)/dex2oatd$(HOST_EXECUTABLE_SUFFIX)
+else
+DEX2OAT := $(HOST_OUT_EXECUTABLES)/dex2oatd$(HOST_EXECUTABLE_SUFFIX)
+endif
 
-# By default, do not run rerun dex2oat if the tool changes.
-# Comment out the | to force dex2oat to rerun on after all changes.
-DEX2OAT_DEPENDENCY := art/runtime/oat.cc # dependency on oat version number
-DEX2OAT_DEPENDENCY += art/runtime/image.cc # dependency on image version number
-DEX2OAT_DEPENDENCY += |
-DEX2OAT_DEPENDENCY += $(DEX2OAT)
+# Pass special classpath to skip uses library check.
+# Should modify build system to pass used libraries properly later.
+DEX2OAT_CLASSPATH := "&"
 
-DEX2OATD_DEPENDENCY := $(DEX2OAT_DEPENDENCY)
-DEX2OATD_DEPENDENCY += $(DEX2OATD)
+DEX2OAT_DEPENDENCY += $(DEX2OAT)
 
 # Use the first preloaded-classes file in PRODUCT_COPY_FILES.
 PRELOADED_CLASSES := $(call word-colon,1,$(firstword \
@@ -26,7 +27,12 @@ COMPILED_CLASSES := $(call word-colon,1,$(firstword \
 
 # start of image reserved address space
 LIBART_IMG_HOST_BASE_ADDRESS   := 0x60000000
+
+ifneq ($(LIBART_IMG_BASE),)
+LIBART_IMG_TARGET_BASE_ADDRESS := $(LIBART_IMG_BASE)
+else
 LIBART_IMG_TARGET_BASE_ADDRESS := 0x70000000
+endif
 
 define get-product-default-property
 $(strip $(patsubst $(1)=%,%,$(filter $(1)=%,$(PRODUCT_DEFAULT_PROPERTY_OVERRIDES))))
@@ -37,7 +43,7 @@ DEX2OAT_IMAGE_XMX := $(call get-product-default-property,dalvik.vm.image-dex2oat
 DEX2OAT_XMS := $(call get-product-default-property,dalvik.vm.dex2oat-Xms)
 DEX2OAT_XMX := $(call get-product-default-property,dalvik.vm.dex2oat-Xmx)
 
-ifeq ($(TARGET_ARCH),mips)
+ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),mips mips64))
 # MIPS specific overrides.
 # For MIPS the ART image is loaded at a lower address. This causes issues
 # with the image overlapping with memory on the host cross-compiling and
@@ -55,9 +61,24 @@ endif
 # $(1): the arch name.
 # $(2): the full path (including file name) of the corresponding .jar or .apk.
 define get-odex-file-path
-$(dir $(2))$(1)/$(basename $(notdir $(2))).odex
+$(dir $(2))oat/$(1)/$(basename $(notdir $(2))).odex
 endef
 
+# Returns the full path to the installed .odex file.
+# This handles BOARD_USES_SYSTEM_OTHER_ODEX to install odex files into another
+# partition.
+# $(1): the arch name.
+# $(2): the full install path (including file name) of the corresponding .apk.
+ifeq ($(BOARD_USES_SYSTEM_OTHER_ODEX),true)
+define get-odex-installed-file-path
+$(if $(filter $(foreach f,$(SYSTEM_OTHER_ODEX_FILTER),$(TARGET_OUT)/$(f)),$(2)),
+  $(call get-odex-file-path,$(1),$(patsubst $(TARGET_OUT)/%,$(TARGET_OUT_SYSTEM_OTHER)/%,$(2))),
+  $(call get-odex-file-path,$(1),$(2)))
+endef
+else
+get-odex-installed-file-path = $(get-odex-file-path)
+endif
+
 # Returns the path to the image file (such as "/system/framework/<arch>/boot.art"
 # $(1): the arch name (such as "arm")
 # $(2): the image location (such as "/system/framework/boot.art")
@@ -70,6 +91,13 @@ LIBART_TARGET_BOOT_JARS := $(patsubst core, core-libart,$(DEXPREOPT_BOOT_JARS_MO
 LIBART_TARGET_BOOT_DEX_LOCATIONS := $(foreach jar,$(LIBART_TARGET_BOOT_JARS),/$(DEXPREOPT_BOOT_JAR_DIR)/$(jar).jar)
 LIBART_TARGET_BOOT_DEX_FILES := $(foreach jar,$(LIBART_TARGET_BOOT_JARS),$(call intermediates-dir-for,JAVA_LIBRARIES,$(jar),,COMMON)/javalib.jar)
 
+# dex preopt on the bootclasspath produces multiple files.  The first dex file
+# is converted into to boot.art (to match the legacy assumption that boot.art
+# exists), and the rest are converted to boot-<name>.art.
+# In addition, each .art file has an associated .oat file.
+LIBART_TARGET_BOOT_ART_EXTRA_FILES := $(foreach jar,$(wordlist 2,999,$(LIBART_TARGET_BOOT_JARS)),boot-$(jar).art boot-$(jar).oat)
+LIBART_TARGET_BOOT_ART_EXTRA_FILES += boot.oat
+
 my_2nd_arch_prefix :=
 include $(BUILD_SYSTEM)/dex_preopt_libart_boot.mk
 
@@ -88,15 +116,20 @@ endif
 define dex2oat-one-file
 $(hide) rm -f $(2)
 $(hide) mkdir -p $(dir $(2))
-$(hide) $(DEX2OATD) \
+$(hide) ANDROID_LOG_TAGS="*:e" $(DEX2OAT) \
 	--runtime-arg -Xms$(DEX2OAT_XMS) --runtime-arg -Xmx$(DEX2OAT_XMX) \
+	--runtime-arg -classpath --runtime-arg $(DEX2OAT_CLASSPATH) \
 	--boot-image=$(PRIVATE_DEX_PREOPT_IMAGE_LOCATION) \
 	--dex-file=$(1) \
 	--dex-location=$(PRIVATE_DEX_LOCATION) \
 	--oat-file=$(2) \
 	--android-root=$(PRODUCT_OUT)/system \
 	--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
+	--instruction-set-variant=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT) \
 	--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-	--include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols \
-	$(PRIVATE_DEX_PREOPT_FLAGS)
+	--include-patch-information --runtime-arg -Xnorelocate --no-generate-debug-info \
+	--abort-on-hard-verifier-error \
+	--no-inline-from=core-oj.jar \
+	$(PRIVATE_DEX_PREOPT_FLAGS) \
+	$(GLOBAL_DEXPREOPT_FLAGS)
 endef
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index 6c6e0ad52..1a0dc5b07 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -27,15 +27,9 @@ $(my_2nd_arch_prefix)LIBART_BOOT_IMAGE_FILENAME := /$(DEXPREOPT_BOOT_JAR_DIR)/$(
 # The .oat with symbols
 $(my_2nd_arch_prefix)LIBART_TARGET_BOOT_OAT_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)$(patsubst %.art,%.oat,$($(my_2nd_arch_prefix)LIBART_BOOT_IMAGE_FILENAME))
 
-$(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE :=
-ifneq ($(PRODUCT_DEX_PREOPT_IMAGE_IN_DATA),true)
 $(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE := $(PRODUCT_OUT)$($(my_2nd_arch_prefix)LIBART_BOOT_IMAGE_FILENAME)
-endif
-
-# Compile boot.oat as position-independent code if WITH_DEXPREOPT_PIC=true
-ifeq (true,$(WITH_DEXPREOPT_PIC))
-  PRODUCT_DEX_PREOPT_BOOT_FLAGS += --compile-pic
-endif
+$(my_2nd_arch_prefix)LIBART_TARGET_BOOT_ART_EXTRA_INSTALLED_FILES := $(addprefix $(dir $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE)),\
+    $(LIBART_TARGET_BOOT_ART_EXTRA_FILES))
 
 # If we have a compiled-classes file, create a parameter.
 COMPILED_CLASSES_FLAGS :=
@@ -43,18 +37,30 @@ ifneq ($(COMPILED_CLASSES),)
   COMPILED_CLASSES_FLAGS := --compiled-classes=$(COMPILED_CLASSES)
 endif
 
-# The rule to install boot.art and boot.oat
-$($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE) : $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) | $(ACP)
-	$(call copy-file-to-target)
-	$(hide) $(ACP) -fp $(patsubst %.art,%.oat,$<) $(patsubst %.art,%.oat,$@)
+# The rule to install boot.art
+# Depends on installed boot.oat, boot-*.art, boot-*.oat
+$($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE) : $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) | $(ACP) $($(my_2nd_arch_prefix)LIBART_TARGET_BOOT_ART_EXTRA_INSTALLED_FILES)
+	@echo "Install: $@"
+	$(copy-file-to-target)
+
+# The rule to install boot.oat, boot-*.art, boot-*.oat
+# Depends on built-but-not-installed boot.art
+$($(my_2nd_arch_prefix)LIBART_TARGET_BOOT_ART_EXTRA_INSTALLED_FILES) : $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)  | $(ACP)
+	@echo "Install: $@"
+	@mkdir -p $(dir $@)
+	$(hide) $(ACP) -fp $(dir $<)$(notdir $@) $@
 
 $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME): PRIVATE_2ND_ARCH_VAR_PREFIX := $(my_2nd_arch_prefix)
 # Use dex2oat debug version for better error reporting
-$($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) : $(LIBART_TARGET_BOOT_DEX_FILES) $(DEX2OATD_DEPENDENCY)
-	@echo "target dex2oat: $@ ($?)"
+$($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) : $(LIBART_TARGET_BOOT_DEX_FILES) $(DEX2OAT_DEPENDENCY)
+	@echo "target dex2oat: $@"
 	@mkdir -p $(dir $@)
 	@mkdir -p $(dir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)LIBART_TARGET_BOOT_OAT_UNSTRIPPED))
-	$(hide) $(DEX2OATD) --runtime-arg -Xms$(DEX2OAT_IMAGE_XMS) --runtime-arg -Xmx$(DEX2OAT_IMAGE_XMX) \
+	@rm -f $(dir $@)/*.art $(dir $@)/*.oat
+	@rm -f $(dir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)LIBART_TARGET_BOOT_OAT_UNSTRIPPED))/*.art
+	@rm -f $(dir $($(PRIVATE_2ND_ARCH_VAR_PREFIX)LIBART_TARGET_BOOT_OAT_UNSTRIPPED))/*.oat
+	$(hide) ANDROID_LOG_TAGS="*:e" $(DEX2OAT) --runtime-arg -Xms$(DEX2OAT_IMAGE_XMS) \
+		--runtime-arg -Xmx$(DEX2OAT_IMAGE_XMX) \
 		--image-classes=$(PRELOADED_CLASSES) \
 		$(addprefix --dex-file=,$(LIBART_TARGET_BOOT_DEX_FILES)) \
 		$(addprefix --dex-location=,$(LIBART_TARGET_BOOT_DEX_LOCATIONS)) \
@@ -63,6 +69,8 @@ $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) : $(LIBART_TARGE
 		--oat-location=$(patsubst %.art,%.oat,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)LIBART_BOOT_IMAGE_FILENAME)) \
 		--image=$@ --base=$(LIBART_IMG_TARGET_BASE_ADDRESS) \
 		--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
+		--instruction-set-variant=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT) \
 		--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols \
-		$(PRODUCT_DEX_PREOPT_BOOT_FLAGS) $(COMPILED_CLASSES_FLAGS)
+		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate --no-generate-debug-info \
+		--multi-image --no-inline-from=core-oj.jar \
+		$(PRODUCT_DEX_PREOPT_BOOT_FLAGS) $(GLOBAL_DEXPREOPT_FLAGS) $(COMPILED_CLASSES_FLAGS) $(ART_BOOT_IMAGE_EXTRA_ARGS)
diff --git a/core/dex_preopt_libdvm.mk b/core/dex_preopt_libdvm.mk
deleted file mode 100644
index 23a54e1eb..000000000
--- a/core/dex_preopt_libdvm.mk
+++ /dev/null
@@ -1,76 +0,0 @@
-####################################
-# dexpreopt support for Dalvik
-#
-####################################
-
-DEXOPT := $(HOST_OUT_EXECUTABLES)/dexopt$(HOST_EXECUTABLE_SUFFIX)
-DEXPREOPT := dalvik/tools/dex-preopt
-
-DEXPREOPT_DEXOPT := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(DEXOPT))
-
-DEXPREOPT_BOOT_ODEXS := $(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),\
-    $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(b).odex)
-
-# If the target is a uniprocessor, then explicitly tell the preoptimizer
-# that fact. (By default, it always optimizes for an SMP target.)
-ifeq ($(TARGET_CPU_SMP),true)
-    DEXPREOPT_UNIPROCESSOR :=
-else
-    DEXPREOPT_UNIPROCESSOR := --uniprocessor
-endif
-
-# By default, do not run rerun dexopt if the tool changes.
-# Comment out the | to force dex2oat to rerun on after all changes.
-DEXOPT_DEPENDENCY := |
-DEXOPT_DEPENDENCY += $(DEXPREOPT) $(DEXOPT)
-
-# $(1): the input .jar or .apk file
-# $(2): the output .odex file
-define dexopt-one-file
-$(hide) rm -f $(2)
-$(hide) mkdir -p $(dir $(2))
-$(hide) $(DEXPREOPT) \
-        --dexopt=$(DEXPREOPT_DEXOPT) \
-        --build-dir=$(DEXPREOPT_BUILD_DIR) \
-        --product-dir=$(DEXPREOPT_PRODUCT_DIR) \
-        --boot-dir=$(DEXPREOPT_BOOT_JAR_DIR) \
-        --boot-jars=$(DEXPREOPT_BOOT_JARS) \
-        $(DEXPREOPT_UNIPROCESSOR) \
-        $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(1)) \
-        $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(2))
-endef
-
-# Special rules for building odex files for boot jars that override java_library.mk rules
-
-# $(1): boot jar module name
-define _dexpreopt-boot-odex
-_dbj_jar := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1).jar
-_dbj_odex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1).odex
-_dbj_src_jar := $(call intermediates-dir-for,JAVA_LIBRARIES,$(1),,COMMON)/javalib.jar
-$$(_dbj_odex): PRIVATE_DBJ_JAR := $$(_dbj_jar)
-$$(_dbj_odex) : $$(_dbj_src_jar) | $(ACP) $(DEXPREOPT) $(DEXOPT)
-	@echo "Dexpreopt Boot Jar: $$@"
-	$(hide) mkdir -p $$(dir $$(PRIVATE_DBJ_JAR)) && $(ACP) -fp $$< $$(PRIVATE_DBJ_JAR)
-	$$(call dexopt-one-file,$$(PRIVATE_DBJ_JAR),$$@)
-
-_dbj_jar :=
-_dbj_odex :=
-_dbj_src_jar :=
-endef
-
-$(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-odex,$(b))))
-
-# $(1): the rest list of boot jars
-define _build-dexpreopt-boot-jar-dependency-pair
-$(if $(filter 1,$(words $(1)))$(filter 0,$(words $(1))),,\
-	$(eval _bdbjdp_target := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(word 2,$(1)).odex) \
-	$(eval _bdbjdp_dep := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(word 1,$(1)).odex) \
-	$(eval $(call add-dependency,$(_bdbjdp_target),$(_bdbjdp_dep))) \
-	$(eval $(call _build-dexpreopt-boot-jar-dependency-pair,$(wordlist 2,999,$(1)))))
-endef
-
-define _build-dexpreopt-boot-jar-dependency
-$(call _build-dexpreopt-boot-jar-dependency-pair,$(DEXPREOPT_BOOT_JARS_MODULES))
-endef
-
-$(eval $(call _build-dexpreopt-boot-jar-dependency))
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index cb38261ab..b05d4da3d 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -33,16 +33,20 @@ endif
 ifeq (,$(strip $(built_dex)$(my_prebuilt_src_file))) # contains no java code
 LOCAL_DEX_PREOPT :=
 endif
-# if module oat file requested in data, disable LOCAL_DEX_PREOPT, will default location to dalvik-cache
-ifneq (,$(filter $(LOCAL_MODULE),$(PRODUCT_DEX_PREOPT_PACKAGES_IN_DATA)))
-LOCAL_DEX_PREOPT :=
-endif
 # if WITH_DEXPREOPT_BOOT_IMG_ONLY=true and module is not in boot class path skip
 ifeq (true,$(WITH_DEXPREOPT_BOOT_IMG_ONLY))
 ifeq ($(filter $(DEXPREOPT_BOOT_JARS_MODULES),$(LOCAL_MODULE)),)
 LOCAL_DEX_PREOPT :=
 endif
 endif
+# if installing into system, and odex are being installed into system_other, don't strip
+ifeq ($(BOARD_USES_SYSTEM_OTHER_ODEX),true)
+ifeq ($(LOCAL_DEX_PREOPT),true)
+ifneq ($(filter $(foreach f,$(SYSTEM_OTHER_ODEX_FILTER),$(TARGET_OUT)/$(f)),$(my_module_path)),)
+LOCAL_DEX_PREOPT := nostripping
+endif
+endif
+endif
 
 built_odex :=
 installed_odex :=
@@ -50,28 +54,21 @@ built_installed_odex :=
 ifdef LOCAL_DEX_PREOPT
 dexpreopt_boot_jar_module := $(filter $(DEXPREOPT_BOOT_JARS_MODULES),$(LOCAL_MODULE))
 ifdef dexpreopt_boot_jar_module
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-built_odex := $(basename $(LOCAL_BUILT_MODULE)).odex
-installed_odex := $(basename $(LOCAL_INSTALLED_MODULE)).odex
-built_installed_odex := $(built_odex):$(installed_odex)
-else # libdvm.so
 # For libart, the boot jars' odex files are replaced by $(DEFAULT_DEX_PREOPT_INSTALLED_IMAGE).
 # We use this installed_odex trick to get boot.art installed.
 installed_odex := $(DEFAULT_DEX_PREOPT_INSTALLED_IMAGE)
 # Append the odex for the 2nd arch if we have one.
 installed_odex += $($(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE)
-endif # libdvm.so
 else  # boot jar
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-built_odex := $(basename $(LOCAL_BUILT_MODULE)).odex
-installed_odex := $(basename $(LOCAL_INSTALLED_MODULE)).odex
-built_installed_odex := $(built_odex):$(installed_odex)
-
-$(built_odex) : $(DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT) \
-                $(DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS)
-else # libart
 ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
-# For a Java library, we build odex for both 1st arch and 2nd arch, if we have one.
+# For a Java library, by default we build odex for both 1st arch and 2nd arch.
+# But it can be overridden with "LOCAL_MULTILIB := first".
+ifneq (,$(filter $(PRODUCT_SYSTEM_SERVER_JARS),$(LOCAL_MODULE)))
+# For system server jars, we build for only "first".
+my_module_multilib := first
+else
+my_module_multilib := $(LOCAL_MULTILIB)
+endif
 # #################################################
 # Odex for the 1st arch
 my_2nd_arch_prefix :=
@@ -79,8 +76,10 @@ include $(BUILD_SYSTEM)/setup_one_odex.mk
 # #################################################
 # Odex for the 2nd arch
 ifdef TARGET_2ND_ARCH
+ifneq (first,$(my_module_multilib))
 my_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
 include $(BUILD_SYSTEM)/setup_one_odex.mk
+endif  # my_module_multilib is not first.
 endif  # TARGET_2ND_ARCH
 # #################################################
 else  # must be APPS
@@ -95,9 +94,11 @@ include $(BUILD_SYSTEM)/setup_one_odex.mk
 endif  # LOCAL_MULTILIB is both
 endif  # TARGET_2ND_ARCH
 endif  # LOCAL_MODULE_CLASS
-endif  # libart
 endif  # boot jar
 
+built_odex := $(strip $(built_odex))
+installed_odex := $(strip $(installed_odex))
+
 ifdef built_odex
 ifndef LOCAL_DEX_PREOPT_FLAGS
 LOCAL_DEX_PREOPT_FLAGS := $(DEXPREOPT.$(TARGET_PRODUCT).$(LOCAL_MODULE).CONFIG)
@@ -106,26 +107,26 @@ LOCAL_DEX_PREOPT_FLAGS := $(PRODUCT_DEX_PREOPT_DEFAULT_FLAGS)
 endif
 endif
 
-# Compile apps with position-independent code if WITH_DEXPREOPT_PIC=true
-ifeq (true,$(WITH_DEXPREOPT_PIC))
-  LOCAL_DEX_PREOPT_FLAGS += --compile-pic
-endif
-
 $(built_odex): PRIVATE_DEX_PREOPT_FLAGS := $(LOCAL_DEX_PREOPT_FLAGS)
-
-# Use pattern rule - we may have multiple installed odex files.
-# Ugly syntax - See the definition get-odex-file-path.
-$(installed_odex) : $(dir $(LOCAL_INSTALLED_MODULE))%$(notdir $(word 1,$(installed_odex))) \
-                  : $(dir $(LOCAL_BUILT_MODULE))%$(notdir $(word 1,$(built_odex))) \
-    | $(ACP)
-	@echo "Install: $@"
-	$(copy-file-to-target)
 endif
 
 # Add the installed_odex to the list of installed files for this module.
 ALL_MODULES.$(my_register_name).INSTALLED += $(installed_odex)
 ALL_MODULES.$(my_register_name).BUILT_INSTALLED += $(built_installed_odex)
 
+# Record dex-preopt config.
+DEXPREOPT.$(LOCAL_MODULE).DEX_PREOPT := $(LOCAL_DEX_PREOPT)
+DEXPREOPT.$(LOCAL_MODULE).MULTILIB := $(LOCAL_MULTILIB)
+DEXPREOPT.$(LOCAL_MODULE).DEX_PREOPT_FLAGS := $(LOCAL_DEX_PREOPT_FLAGS)
+DEXPREOPT.$(LOCAL_MODULE).PRIVILEGED_MODULE := $(LOCAL_PRIVILEGED_MODULE)
+DEXPREOPT.$(LOCAL_MODULE).PROPRIETARY_MODULE := $(LOCAL_PROPRIETARY_MODULE)
+DEXPREOPT.$(LOCAL_MODULE).TARGET_ARCH := $(LOCAL_MODULE_TARGET_ARCH)
+DEXPREOPT.$(LOCAL_MODULE).INSTALLED := $(installed_odex)
+DEXPREOPT.$(LOCAL_MODULE).INSTALLED_STRIPPED := $(LOCAL_INSTALLED_MODULE)
+DEXPREOPT.MODULES.$(LOCAL_MODULE_CLASS) := $(sort \
+  $(DEXPREOPT.MODULES.$(LOCAL_MODULE_CLASS)) $(LOCAL_MODULE))
+
+
 # Make sure to install the .odex when you run "make <module_name>"
 $(my_register_name): $(installed_odex)
 
diff --git a/core/dpi_specific_apk.mk b/core/dpi_specific_apk.mk
index 0e8cbdf91..6bae25d96 100644
--- a/core/dpi_specific_apk.mk
+++ b/core/dpi_specific_apk.mk
@@ -16,7 +16,7 @@ $(built_dpi_apk): PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
 $(built_dpi_apk): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
 $(built_dpi_apk): PRIVATE_ASSET_DIR := $(LOCAL_ASSET_DIR)
 $(built_dpi_apk): PRIVATE_AAPT_INCLUDES := $(all_library_res_package_exports)
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
 $(built_dpi_apk): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
 $(built_dpi_apk): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
@@ -25,37 +25,49 @@ $(built_dpi_apk): PRIVATE_MANIFEST_PACKAGE_NAME := $(LOCAL_MANIFEST_PACKAGE_NAME
 $(built_dpi_apk): PRIVATE_MANIFEST_INSTRUMENTATION_FOR := $(LOCAL_INSTRUMENTATION_FOR)
 $(built_dpi_apk): PRIVATE_JNI_SHARED_LIBRARIES := $(jni_shared_libraries_with_abis)
 $(built_dpi_apk): PRIVATE_JNI_SHARED_LIBRARIES_ABI := $(jni_shared_libraries_abis)
-$(built_dpi_apk): PRIVATE_DEX_FILE := $(built_dex)
-# Note that PRIVATE_CLASS_INTERMEDIATES_DIR points to the base apk's intermediate dir.
-$(built_dpi_apk): PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates)/classes
-$(built_dpi_apk): PRIVATE_EXTRA_JAR_ARGS := $(extra_jar_args)
 $(built_dpi_apk): PRIVATE_PRIVATE_KEY := $(private_key)
 $(built_dpi_apk): PRIVATE_CERTIFICATE := $(certificate)
 $(built_dpi_apk): PRIVATE_ADDITIONAL_CERTIFICATES := $(foreach c,\
     $(LOCAL_ADDITIONAL_CERTIFICATES), $(c).x509.pem $(c).pk8)
 
+$(built_dpi_apk): PRIVATE_SOURCE_ARCHIVE :=
+ifneq ($(full_classes_jar),)
+$(built_dpi_apk): PRIVATE_DEX_FILE := $(built_dex)
+ifndef LOCAL_JACK_ENABLED
+# Use the jarjar processed arhive as the initial package file.
+$(built_dpi_apk): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
+else
+$(built_dpi_apk): PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
+endif # LOCAL_JACK_ENABLED
+$(built_dpi_apk): $(built_dex)
+else
+$(built_dpi_apk): PRIVATE_DEX_FILE :=
+endif # full_classes_jar
+
 # Set up dependenncies and the build recipe.
 $(built_dpi_apk) : $(R_file_stamp)
 $(built_dpi_apk) : $(all_library_res_package_export_deps)
-$(built_dpi_apk) : $(built_dex)
 $(built_dpi_apk) : $(private_key) $(certificate) $(SIGNAPK_JAR)
-$(built_dpi_apk) : $(AAPT) | $(ZIPALIGN)
+$(built_dpi_apk) : $(AAPT)
 $(built_dpi_apk) : $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
-	$(create-empty-package)
+	$(if $(PRIVATE_SOURCE_ARCHIVE),\
+	  $(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@),\
+	  $(create-empty-package))
 	$(add-assets-to-package)
 ifneq ($(jni_shared_libraries),)
 	$(add-jni-shared-libs-to-package)
 endif
-ifneq ($(full_classes_jar),)
+ifeq ($(full_classes_jar),)
+# We don't build jar, need to add the Java resources here.
+	$(if $(PRIVATE_EXTRA_JAR_ARGS),$(call add-java-resources-to,$@))
+else
 	$(add-dex-to-package)
+ifdef LOCAL_JACK_ENABLED
+	$(add-carried-jack-resources)
 endif
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
 endif
 	$(sign-package)
-	$(align-package)
 
 # Set up global variables to register this apk to the higher-level dependency graph.
 ALL_MODULES += $(dpi_apk_name)
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index d3e61d57c..f1435790f 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -23,6 +23,7 @@
 LOCAL_IS_HOST_MODULE := $(call true-or-empty,$(LOCAL_IS_HOST_MODULE))
 ifeq ($(LOCAL_IS_HOST_MODULE),true)
 my_prefix := HOST_
+LOCAL_HOST_PREFIX :=
 else
 my_prefix := TARGET_
 endif
@@ -67,13 +68,16 @@ ifneq ($(LOCAL_SDK_VERSION),)
   else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
     LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_system_stubs_current)
+  else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+    LOCAL_JAVA_LIBRARIES := android_test_stubs_current $(LOCAL_JAVA_LIBRARIES)
+    $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_test_stubs_current)
   else
     LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, sdk_v$(LOCAL_SDK_VERSION))
   endif
 else
-  LOCAL_JAVA_LIBRARIES := core-libart ext framework $(LOCAL_JAVA_LIBRARIES)
-  $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, core-libart)
+  LOCAL_JAVA_LIBRARIES := core-oj core-libart ext framework $(LOCAL_JAVA_LIBRARIES)
+  $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, core-oj):$(call java-lib-files, core-libart)
 endif  # LOCAL_SDK_VERSION
 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
 
@@ -98,6 +102,7 @@ endif
 
 $(full_target): PRIVATE_OUT_DIR := $(out_dir)
 $(full_target): PRIVATE_DROIDDOC_OPTIONS := $(LOCAL_DROIDDOC_OPTIONS)
+$(full_target): PRIVATE_STUB_OUT_DIR := $(LOCAL_DROIDDOC_STUB_OUT_DIR)
 
 # Lists the input files for the doc build into a text file
 # suitable for the @ syntax of javadoc.
@@ -107,7 +112,7 @@ $(full_target): PRIVATE_DROIDDOC_OPTIONS := $(LOCAL_DROIDDOC_OPTIONS)
 define prepare-doc-source-list
 $(hide) mkdir -p $(dir $(1))
 $(call dump-words-to-file, $(2), $(1))
-$(hide) for d in $(3) ; do find $$d -name '*.java' >> $(1) 2> /dev/null ; done ; true
+$(hide) for d in $(3) ; do find $$d -name '*.java' -and -not -name '.*' >> $(1) 2> /dev/null ; done ; true
 endef
 
 ifeq (a,b)
@@ -124,15 +129,15 @@ ifneq ($(strip $(LOCAL_DROIDDOC_USE_STANDARD_DOCLET)),true)
 ##
 
 droiddoc_templates := \
-    $(shell find $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR) -type f)
+    $(sort $(shell find $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR) -type f))
 
 droiddoc := \
 	$(HOST_JDK_TOOLS_JAR) \
 	$(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
 
 $(full_target): PRIVATE_DOCLETPATH := $(HOST_OUT_JAVA_LIBRARIES)/jsilver$(COMMON_JAVA_PACKAGE_SUFFIX):$(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
-$(full_target): PRIVATE_CURRENT_BUILD := -hdf page.build $(BUILD_ID)-$(BUILD_NUMBER)
-$(full_target): PRIVATE_CURRENT_TIME :=  -hdf page.now "$(shell date "+%d %b %Y %k:%M")"
+$(full_target): PRIVATE_CURRENT_BUILD := -hdf page.build $(BUILD_ID)-$(BUILD_NUMBER_FROM_FILE)
+$(full_target): PRIVATE_CURRENT_TIME :=  -hdf page.now "$$($(DATE_FROM_FILE) "+%d %b %Y %k:%M")"
 $(full_target): PRIVATE_CUSTOM_TEMPLATE_DIR := $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR)
 $(full_target): PRIVATE_IN_CUSTOM_ASSET_DIR := $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR)/$(LOCAL_DROIDDOC_CUSTOM_ASSET_DIR)
 $(full_target): PRIVATE_OUT_ASSET_DIR := $(out_dir)/$(LOCAL_DROIDDOC_ASSET_DIR)
@@ -141,7 +146,7 @@ $(full_target): PRIVATE_OUT_CUSTOM_ASSET_DIR := $(out_dir)/$(LOCAL_DROIDDOC_CUST
 html_dir_files :=
 ifneq ($(strip $(LOCAL_DROIDDOC_HTML_DIR)),)
 $(full_target): PRIVATE_DROIDDOC_HTML_DIR := -htmldir $(LOCAL_PATH)/$(LOCAL_DROIDDOC_HTML_DIR)
-html_dir_files := $(shell find $(LOCAL_PATH)/$(LOCAL_DROIDDOC_HTML_DIR) -type f)
+html_dir_files := $(sort $(shell find $(LOCAL_PATH)/$(LOCAL_DROIDDOC_HTML_DIR) -type f))
 else
 $(full_target): PRIVATE_DROIDDOC_HTML_DIR :=
 endif
@@ -154,16 +159,24 @@ endif
 # TODO: not clear if this is used any more
 $(full_target): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)
 
-$(full_target): $(full_src_files) $(droiddoc_templates) $(droiddoc) $(html_dir_files) $(full_java_lib_deps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_target): \
+        $(full_src_files) \
+        $(droiddoc_templates) \
+        $(droiddoc) \
+        $(html_dir_files) \
+        $(full_java_lib_deps) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	@echo Docs droiddoc: $(PRIVATE_OUT_DIR)
 	$(hide) mkdir -p $(dir $@)
+	$(addprefix $(hide) rm -rf ,$(PRIVATE_STUB_OUT_DIR))
 	$(call prepare-doc-source-list,$(PRIVATE_SRC_LIST_FILE),$(PRIVATE_JAVA_FILES), \
 			$(PRIVATE_SOURCE_INTERMEDIATES_DIR) $(PRIVATE_ADDITIONAL_JAVA_DIR))
 	$(hide) ( \
 		javadoc \
                 -encoding UTF-8 \
                 \@$(PRIVATE_SRC_LIST_FILE) \
-                -J-Xmx1280m \
+                -J-Xmx1600m \
                 -XDignore.symbol.file \
                 $(PRIVATE_PROFILING_OPTIONS) \
                 -quiet \
@@ -178,6 +191,7 @@ $(full_target): $(full_src_files) $(droiddoc_templates) $(droiddoc) $(html_dir_f
                 -d $(PRIVATE_OUT_DIR) \
                 $(PRIVATE_CURRENT_BUILD) $(PRIVATE_CURRENT_TIME) \
                 $(PRIVATE_DROIDDOC_OPTIONS) \
+                $(addprefix -stubs ,$(PRIVATE_STUB_OUT_DIR)) \
         && touch -f $@ \
     ) || (rm -rf $(PRIVATE_OUT_DIR) $(PRIVATE_SRC_LIST_FILE); exit 45)
 
@@ -201,6 +215,7 @@ $(full_target): $(full_src_files) $(full_java_lib_deps)
                 \@$(PRIVATE_SRC_LIST_FILE) \
                 -J-Xmx1024m \
                 -XDignore.symbol.file \
+                $(if $(LEGACY_USE_JAVA7),,-Xdoclint:none) \
                 $(PRIVATE_PROFILING_OPTIONS) \
                 $(addprefix -classpath ,$(PRIVATE_CLASSPATH)) \
                 $(addprefix -bootclasspath ,$(PRIVATE_BOOTCLASSPATH)) \
@@ -233,7 +248,7 @@ $(out_zip): $(full_target)
 	@echo Package docs: $@
 	@rm -f $@
 	@mkdir -p $(dir $@)
-	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_DOCS_DIR) && zip -rq $$F * )
+	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_DOCS_DIR) && zip -rqX $$F * )
 
 $(LOCAL_MODULE)-docs.zip : $(out_zip)
 
diff --git a/core/dumpvar.mk b/core/dumpvar.mk
index 510bc7d08..92cb3a20e 100644
--- a/core/dumpvar.mk
+++ b/core/dumpvar.mk
@@ -1,3 +1,49 @@
+
+# List of variables we want to print in the build banner.
+print_build_config_vars := \
+  PLATFORM_VERSION_CODENAME \
+  PLATFORM_VERSION \
+  LINEAGE_VERSION \
+  TARGET_PRODUCT \
+  TARGET_BUILD_VARIANT \
+  TARGET_BUILD_TYPE \
+  TARGET_BUILD_APPS \
+  TARGET_ARCH \
+  TARGET_ARCH_VARIANT \
+  TARGET_CPU_VARIANT \
+  TARGET_2ND_ARCH \
+  TARGET_2ND_ARCH_VARIANT \
+  TARGET_2ND_CPU_VARIANT \
+  HOST_ARCH \
+  HOST_2ND_ARCH \
+  HOST_OS \
+  HOST_OS_EXTRA \
+  HOST_CROSS_OS \
+  HOST_CROSS_ARCH \
+  HOST_CROSS_2ND_ARCH \
+  HOST_BUILD_TYPE \
+  BUILD_ID \
+  OUT_DIR
+
+ifneq ($(RECOVERY_VARIANT),)
+print_build_config_vars += \
+  RECOVERY_VARIANT
+endif
+ifeq ($(WITH_SU),true)
+print_build_config_vars += \
+  WITH_SU
+endif
+ifeq ($(WITH_GMS),true)
+print_build_config_vars += \
+  WITH_GMS
+endif
+
+ifeq ($(TARGET_BUILD_PDK),true)
+print_build_config_vars += \
+  TARGET_BUILD_PDK \
+  PDK_FUSION_PLATFORM_ZIP
+endif
+
 # ---------------------------------------------------------------
 # the setpath shell function in envsetup.sh uses this to figure out
 # what to add to the path given the config we have chosen.
@@ -38,11 +84,7 @@ ifdef dumpvar_goals
   absolute_dumpvar := $(strip $(filter abs-%,$(dumpvar_goals)))
   ifdef absolute_dumpvar
     dumpvar_goals := $(patsubst abs-%,%,$(dumpvar_goals))
-    ifneq ($(filter /%,$($(dumpvar_goals))),)
-      DUMPVAR_VALUE := $($(dumpvar_goals))
-    else
-      DUMPVAR_VALUE := $(PWD)/$($(dumpvar_goals))
-    endif
+    DUMPVAR_VALUE := $(abspath $($(dumpvar_goals)))
     dumpvar_target := dumpvar-abs-$(dumpvar_goals)
   else
     DUMPVAR_VALUE := $($(dumpvar_goals))
@@ -59,29 +101,37 @@ ifneq ($(dumpvar_goals),report_config)
 PRINT_BUILD_CONFIG:=
 endif
 
-endif # CALLED_FROM_SETUP
+ifneq ($(filter report_config,$(DUMP_MANY_VARS)),)
+# Construct the shell commands that print the config banner.
+report_config_sh := echo '============================================';
+report_config_sh += $(foreach v,$(print_build_config_vars),echo '$v=$($(v))';)
+report_config_sh += echo '============================================';
+endif
 
+# Dump mulitple variables to "<var>=<value>" pairs, one per line.
+# The output may be executed as bash script.
+# Input variables:
+#   DUMP_MANY_VARS: the list of variable names.
+#   DUMP_VAR_PREFIX: an optional prefix of the variable name added to the output.
+#   DUMP_MANY_ABS_VARS: the list of abs variable names.
+#   DUMP_ABS_VAR_PREFIX: an optional prefix of the abs variable name added to the output.
+.PHONY: dump-many-vars
+dump-many-vars :
+	@$(foreach v, $(filter-out report_config, $(DUMP_MANY_VARS)),\
+	  echo "$(DUMP_VAR_PREFIX)$(v)='$($(v))'";)
+ifneq ($(filter report_config, $(DUMP_MANY_VARS)),)
+	@# Construct a special variable for report_config.
+	@# Escape \` to defer the execution of report_config_sh to preserve the line breaks.
+	@echo "$(DUMP_VAR_PREFIX)report_config=\`$(report_config_sh)\`"
+endif
+	@$(foreach v, $(sort $(DUMP_MANY_ABS_VARS)),\
+	  echo "$(DUMP_ABS_VAR_PREFIX)$(v)='$(abspath $($(v)))'";)
+
+endif # CALLED_FROM_SETUP
 
 ifneq ($(PRINT_BUILD_CONFIG),)
-HOST_OS_EXTRA:=$(shell python -c "import platform; print(platform.platform())")
 $(info ============================================)
-$(info   PLATFORM_VERSION_CODENAME=$(PLATFORM_VERSION_CODENAME))
-$(info   PLATFORM_VERSION=$(PLATFORM_VERSION))
-$(info   TARGET_PRODUCT=$(TARGET_PRODUCT))
-$(info   TARGET_BUILD_VARIANT=$(TARGET_BUILD_VARIANT))
-$(info   TARGET_BUILD_TYPE=$(TARGET_BUILD_TYPE))
-$(info   TARGET_BUILD_APPS=$(TARGET_BUILD_APPS))
-$(info   TARGET_ARCH=$(TARGET_ARCH))
-$(info   TARGET_ARCH_VARIANT=$(TARGET_ARCH_VARIANT))
-$(info   TARGET_CPU_VARIANT=$(TARGET_CPU_VARIANT))
-$(info   TARGET_2ND_ARCH=$(TARGET_2ND_ARCH))
-$(info   TARGET_2ND_ARCH_VARIANT=$(TARGET_2ND_ARCH_VARIANT))
-$(info   TARGET_2ND_CPU_VARIANT=$(TARGET_2ND_CPU_VARIANT))
-$(info   HOST_ARCH=$(HOST_ARCH))
-$(info   HOST_OS=$(HOST_OS))
-$(info   HOST_OS_EXTRA=$(HOST_OS_EXTRA))
-$(info   HOST_BUILD_TYPE=$(HOST_BUILD_TYPE))
-$(info   BUILD_ID=$(BUILD_ID))
-$(info   OUT_DIR=$(OUT_DIR))
+$(foreach v, $(print_build_config_vars),\
+  $(info $v=$($(v))))
 $(info ============================================)
 endif
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index 08fb17600..8baa399de 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -39,27 +39,50 @@ include $(BUILD_SYSTEM)/binary.mk
 ###################################
 
 ###########################################################
-## Compress
+## Pack relocation tables
 ###########################################################
-compress_input := $(linked_module)
+relocation_packer_input := $(linked_module)
+relocation_packer_output := $(intermediates)/PACKED/$(my_built_module_stem)
+
+my_pack_module_relocations := false
+ifneq ($(DISABLE_RELOCATION_PACKER),true)
+    my_pack_module_relocations := $(firstword \
+      $(LOCAL_PACK_MODULE_RELOCATIONS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
+      $(LOCAL_PACK_MODULE_RELOCATIONS))
+endif
 
-ifeq ($(strip $(LOCAL_COMPRESS_MODULE_SYMBOLS)),)
-  LOCAL_COMPRESS_MODULE_SYMBOLS := $(strip $(TARGET_COMPRESS_MODULE_SYMBOLS))
+ifeq ($(my_pack_module_relocations),)
+  my_pack_module_relocations := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_PACK_MODULE_RELOCATIONS)
 endif
 
-ifeq ($(LOCAL_COMPRESS_MODULE_SYMBOLS),true)
-$(error Symbol compression not yet supported.)
-compress_output := $(intermediates)/COMPRESSED-$(my_built_module_stem)
+# Do not pack relocations for executables. Because packing results in
+# non-zero p_vaddr which causes kernel to load executables to lower
+# address (starting at 0x8000) http://b/20665974
+ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
+  my_pack_module_relocations := false
+endif
 
-#TODO: write the real $(STRIPPER) rule.
-#TODO: define a rule to build TARGET_SYMBOL_FILTER_FILE, and
-#      make it depend on ALL_ORIGINAL_DYNAMIC_BINARIES.
-$(compress_output): $(compress_input) $(TARGET_SYMBOL_FILTER_FILE) | $(ACP)
-	@echo "target Compress Symbols: $(PRIVATE_MODULE) ($@)"
-	$(copy-file-to-target)
+# Likewise for recovery and utility executables
+ifeq ($(LOCAL_MODULE_CLASS),RECOVERY_EXECUTABLES)
+  my_pack_module_relocations := false
+endif
+ifeq ($(LOCAL_MODULE_CLASS),UTILITY_EXECUTABLES)
+  my_pack_module_relocations := false
+endif
+
+# TODO (dimitry): Relocation packer is not yet available for darwin
+ifneq ($(HOST_OS),linux)
+  my_pack_module_relocations := false
+endif
+
+ifeq (true,$(my_pack_module_relocations))
+# Pack relocations
+$(relocation_packer_output): $(relocation_packer_input) | $(ACP)
+	$(pack-elf-relocations)
 else
-# Skip this step.
-compress_output := $(compress_input)
+$(relocation_packer_output): $(relocation_packer_input) | $(ACP)
+	@echo "target Unpacked: $(PRIVATE_MODULE) ($@)"
+	$(copy-file-to-target)
 endif
 
 ###########################################################
@@ -70,12 +93,26 @@ my_unstripped_path := $(TARGET_OUT_UNSTRIPPED)/$(patsubst $(PRODUCT_OUT)/%,%,$(m
 else
 my_unstripped_path := $(LOCAL_UNSTRIPPED_PATH)
 endif
-symbolic_input := $(compress_output)
+symbolic_input := $(relocation_packer_output)
 symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
 $(symbolic_output) : $(symbolic_input) | $(ACP)
 	@echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
 
+###########################################################
+## Store breakpad symbols
+###########################################################
+
+ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
+my_breakpad_path := $(TARGET_OUT_BREAKPAD)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
+breakpad_input := $(relocation_packer_output)
+breakpad_output := $(my_breakpad_path)/$(my_installed_module_stem).sym
+$(breakpad_output) : $(breakpad_input) | $(BREAKPAD_DUMP_SYMS)
+	@echo "target breakpad: $(PRIVATE_MODULE) ($@)"
+	@mkdir -p $(dir $@)
+	$(hide) $(BREAKPAD_DUMP_SYMS) -c $< > $@
+$(LOCAL_BUILT_MODULE) : $(breakpad_output)
+endif
 
 ###########################################################
 ## Strip
@@ -83,23 +120,28 @@ $(symbolic_output) : $(symbolic_input) | $(ACP)
 strip_input := $(symbolic_output)
 strip_output := $(LOCAL_BUILT_MODULE)
 
-my_strip_module := $(LOCAL_STRIP_MODULE)
+my_strip_module := $(firstword \
+  $(LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
+  $(LOCAL_STRIP_MODULE))
 ifeq ($(my_strip_module),)
-  my_strip_module := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP_MODULE)
+  my_strip_module := true
 endif
 
-ifeq ($(my_strip_module),true)
-# Strip the binary
 $(strip_output): PRIVATE_STRIP := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
 $(strip_output): PRIVATE_OBJCOPY := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY)
+$(strip_output): PRIVATE_READELF := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_READELF)
+ifeq ($(my_strip_module),no_debuglink)
+$(strip_output): PRIVATE_NO_DEBUGLINK := true
+else
+$(strip_output): PRIVATE_NO_DEBUGLINK :=
+endif
+
+ifneq ($(filter true no_debuglink,$(my_strip_module)),)
+# Strip the binary
 $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
 	$(transform-to-stripped)
-else
-ifeq ($(my_strip_module),keep_symbols)
+else ifeq ($(my_strip_module),keep_symbols)
 # Strip only the debug frames, but leave the symbol table.
-$(strip_output): PRIVATE_STRIP := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
-$(strip_output): PRIVATE_OBJCOPY := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY)
-$(strip_output): PRIVATE_READELF := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_READELF)
 $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
 	$(transform-to-stripped-keep-symbols)
 
@@ -126,11 +168,10 @@ $(strip_output): $(strip_input)
 	@echo "target Unstripped: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target-with-cp)
 endif
-endif
 endif # my_strip_module
 
-
 $(cleantarget): PRIVATE_CLEAN_FILES += \
     $(linked_module) \
+    $(breakpad_output) \
     $(symbolic_output) \
-    $(compress_output)
+    $(strip_output)
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 124a91b4f..69ee0e3d6 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -5,6 +5,11 @@
 # the bottom for the full list
 #     OUT_DIR is also set to "out" if it's not already set.
 #         this allows you to set it to somewhere else if you like
+#     SCAN_EXCLUDE_DIRS is an optional, whitespace separated list of
+#         directories that will also be excluded from full checkout tree
+#         searches for source or make files, in addition to OUT_DIR.
+#         This can be useful if you set OUT_DIR to be a different directory
+#         than other outputs of your build system.
 
 # Set up version information.
 include $(BUILD_SYSTEM)/version_defaults.mk
@@ -22,7 +27,7 @@ CORRECT_BUILD_ENV_SEQUENCE_NUMBER := 10
 # NOTE: This will be overridden in product_config.mk if make
 # was invoked with a PRODUCT-xxx-yyy goal.
 ifeq ($(TARGET_PRODUCT),)
-TARGET_PRODUCT := full
+TARGET_PRODUCT := aosp_arm
 endif
 
 
@@ -48,43 +53,33 @@ endif
 ifneq (,$(findstring Macintosh,$(UNAME)))
   HOST_OS := darwin
 endif
-ifneq (,$(findstring CYGWIN,$(UNAME)))
-  HOST_OS := windows
-endif
+
+HOST_OS_EXTRA:=$(shell python -c "import platform; print(platform.platform())")
 
 # BUILD_OS is the real host doing the build.
 BUILD_OS := $(HOST_OS)
 
-# Under Linux, if USE_MINGW is set, we change HOST_OS to Windows to build the
-# Windows SDK. Only a subset of tools and SDK will manage to build properly.
+HOST_CROSS_OS :=
+# We can cross-build Windows binaries on Linux
 ifeq ($(HOST_OS),linux)
-ifneq ($(USE_MINGW),)
-  HOST_OS := windows
-endif
+HOST_CROSS_OS := windows
+HOST_CROSS_ARCH := x86
+HOST_CROSS_2ND_ARCH := x86_64
 endif
 
 ifeq ($(HOST_OS),)
 $(error Unable to determine HOST_OS from uname -sm: $(UNAME)!)
 endif
 
-# TODO: Replace BUILD_HOST_64bit with a flag that forces 32-bit build,
-# after we default to 64-bit host build.
-ifeq (,$(BUILD_HOST_64bit))
-# Default to 32-bit-by-default multilib host build.
-HOST_PREFER_32_BIT := true
-endif
-
 # HOST_ARCH
 ifneq (,$(findstring x86_64,$(UNAME)))
   HOST_ARCH := x86_64
   HOST_2ND_ARCH := x86
   HOST_IS_64_BIT := true
-endif
-
-ifeq ($(HOST_PREFER_32_BIT),true)
-SDK_HOST_ARCH := x86
 else
-SDK_HOST_ARCH := $(HOST_ARCH)
+ifneq (,$(findstring x86,$(UNAME)))
+$(error Building on a 32-bit x86 host is not supported: $(UNAME)!)
+endif
 endif
 
 BUILD_ARCH := $(HOST_ARCH)
@@ -109,17 +104,15 @@ endif
 HOST_PREBUILT_ARCH := x86
 # This is the standard way to name a directory containing prebuilt host
 # objects. E.g., prebuilt/$(HOST_PREBUILT_TAG)/cc
-ifeq ($(HOST_OS),windows)
-  HOST_PREBUILT_TAG := windows
-else
-  HOST_PREBUILT_TAG := $(HOST_OS)-$(HOST_PREBUILT_ARCH)
-endif
+HOST_PREBUILT_TAG := $(BUILD_OS)-$(HOST_PREBUILT_ARCH)
 
 # TARGET_COPY_OUT_* are all relative to the staging directory, ie PRODUCT_OUT.
 # Define them here so they can be used in product config files.
 TARGET_COPY_OUT_SYSTEM := system
+TARGET_COPY_OUT_SYSTEM_OTHER := system_other
 TARGET_COPY_OUT_DATA := data
 TARGET_COPY_OUT_OEM := oem
+TARGET_COPY_OUT_ODM := odm
 TARGET_COPY_OUT_ROOT := root
 TARGET_COPY_OUT_RECOVERY := recovery
 ###########################################
@@ -143,16 +136,18 @@ $(warning bad TARGET_BUILD_VARIANT: $(TARGET_BUILD_VARIANT))
 $(error must be empty or one of: eng user userdebug)
 endif
 
+SDK_HOST_ARCH := x86
+
 # Boards may be defined under $(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)
 # or under vendor/*/$(TARGET_DEVICE).  Search in both places, but
 # make sure only one exists.
 # Real boards should always be associated with an OEM vendor.
 board_config_mk := \
-	$(strip $(wildcard \
+	$(strip $(sort $(wildcard \
 		$(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)/BoardConfig.mk \
-		$(shell test -d device && find device -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
-		$(shell test -d vendor && find vendor -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
-	))
+		$(shell test -d device && find -L device -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
+		$(shell test -d vendor && find -L vendor -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
+	)))
 ifeq ($(board_config_mk),)
   $(error No config file found for TARGET_DEVICE $(TARGET_DEVICE))
 endif
@@ -163,6 +158,10 @@ include $(board_config_mk)
 ifeq ($(TARGET_ARCH),)
   $(error TARGET_ARCH not defined by board config: $(board_config_mk))
 endif
+ifneq ($(MALLOC_IMPL),)
+  $(warning *** Unsupported option MALLOC_IMPL defined by board config: $(board_config_mk).)
+  $(error Use `MALLOC_SVELTE := true` to configure jemalloc for low-memory)
+endif
 TARGET_DEVICE_DIR := $(patsubst %/,%,$(dir $(board_config_mk)))
 board_config_mk :=
 
@@ -170,10 +169,23 @@ board_config_mk :=
 # Now we can substitute with the real value of TARGET_COPY_OUT_VENDOR
 ifeq ($(TARGET_COPY_OUT_VENDOR),$(_vendor_path_placeholder))
 TARGET_COPY_OUT_VENDOR := system/vendor
-else ifeq ($(filter vendor system/vendor,$(TARGET_COPY_OUT_VENDOR)),)
-$(error TARGET_COPY_OUT_VENDOR must be either 'vendor' or 'system/vendor', seeing '$(TARGET_COPY_OUT_VENDOR)'.)
+else ifeq ($(filter vendor system/vendor system,$(TARGET_COPY_OUT_VENDOR)),)
+$(error TARGET_COPY_OUT_VENDOR must be either 'vendor', 'system/vendor' or 'system', seeing '$(TARGET_COPY_OUT_VENDOR)'.)
 endif
 PRODUCT_COPY_FILES := $(subst $(_vendor_path_placeholder),$(TARGET_COPY_OUT_VENDOR),$(PRODUCT_COPY_FILES))
+
+BOARD_USES_VENDORIMAGE :=
+ifdef BOARD_PREBUILT_VENDORIMAGE
+BOARD_USES_VENDORIMAGE := true
+endif
+ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
+BOARD_USES_VENDORIMAGE := true
+endif
+ifeq ($(TARGET_COPY_OUT_VENDOR),vendor)
+BOARD_USES_VENDORIMAGE := true
+else ifdef BOARD_USES_VENDORIMAGE
+$(error TARGET_COPY_OUT_VENDOR must be set to 'vendor' to use a vendor image)
+endif
 ###########################################
 
 
@@ -199,9 +211,13 @@ endif
 
 ifeq (,$(strip $(OUT_DIR)))
 ifeq (,$(strip $(OUT_DIR_COMMON_BASE)))
+ifneq ($(TOPDIR),)
 OUT_DIR := $(TOPDIR)out
 else
-OUT_DIR := $(OUT_DIR_COMMON_BASE)/$(notdir $(PWD))
+OUT_DIR := $(CURDIR)/out
+endif
+else
+OUT_DIR := $(OUT_DIR_COMMON_BASE:/=)/$(notdir $(PWD))
 endif
 endif
 
@@ -221,8 +237,12 @@ HOST_OUT_ROOT := $(HOST_OUT_ROOT_$(HOST_BUILD_TYPE))
 HOST_OUT_release := $(HOST_OUT_ROOT_release)/$(HOST_OS)-$(HOST_PREBUILT_ARCH)
 HOST_OUT_debug := $(HOST_OUT_ROOT_debug)/$(HOST_OS)-$(HOST_PREBUILT_ARCH)
 HOST_OUT := $(HOST_OUT_$(HOST_BUILD_TYPE))
+# TODO: remove
+BUILD_OUT := $(HOST_OUT)
 
-BUILD_OUT := $(OUT_DIR)/host/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)
+HOST_CROSS_OUT_release := $(HOST_OUT_ROOT_release)/windows-$(HOST_PREBUILT_ARCH)
+HOST_CROSS_OUT_debug := $(HOST_OUT_ROOT_debug)/windows-$(HOST_PREBUILT_ARCH)
+HOST_CROSS_OUT := $(HOST_CROSS_OUT_$(HOST_BUILD_TYPE))
 
 TARGET_PRODUCT_OUT_ROOT := $(TARGET_OUT_ROOT)/product
 
@@ -237,9 +257,13 @@ BUILD_OUT_EXECUTABLES := $(BUILD_OUT)/bin
 
 HOST_OUT_EXECUTABLES := $(HOST_OUT)/bin
 HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib64
+HOST_OUT_RENDERSCRIPT_BITCODE := $(HOST_OUT_SHARED_LIBRARIES)
 HOST_OUT_JAVA_LIBRARIES := $(HOST_OUT)/framework
 HOST_OUT_SDK_ADDON := $(HOST_OUT)/sdk_addon
 
+HOST_CROSS_OUT_EXECUTABLES := $(HOST_CROSS_OUT)/bin
+HOST_CROSS_OUT_SHARED_LIBRARIES := $(HOST_CROSS_OUT)/lib
+
 HOST_OUT_INTERMEDIATES := $(HOST_OUT)/obj
 HOST_OUT_HEADERS := $(HOST_OUT_INTERMEDIATES)/include
 HOST_OUT_INTERMEDIATE_LIBRARIES := $(HOST_OUT_INTERMEDIATES)/lib
@@ -247,9 +271,16 @@ HOST_OUT_NOTICE_FILES := $(HOST_OUT_INTERMEDIATES)/NOTICE_FILES
 HOST_OUT_COMMON_INTERMEDIATES := $(HOST_COMMON_OUT_ROOT)/obj
 HOST_OUT_FAKE := $(HOST_OUT)/fake_packages
 
+HOST_CROSS_OUT_INTERMEDIATES := $(HOST_CROSS_OUT)/obj
+HOST_CROSS_OUT_HEADERS := $(HOST_CROSS_OUT_INTERMEDIATES)/include
+HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES := $(HOST_CROSS_OUT_INTERMEDIATES)/lib
+HOST_CROSS_OUT_NOTICE_FILES := $(HOST_CROSS_OUT_INTERMEDIATES)/NOTICE_FILES
+
 HOST_OUT_GEN := $(HOST_OUT)/gen
 HOST_OUT_COMMON_GEN := $(HOST_COMMON_OUT_ROOT)/gen
 
+HOST_CROSS_OUT_GEN := $(HOST_CROSS_OUT)/gen
+
 # Out for HOST_2ND_ARCH
 HOST_2ND_ARCH_VAR_PREFIX := 2ND_
 HOST_2ND_ARCH_MODULE_SUFFIX := _32
@@ -257,6 +288,7 @@ $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATES := $(HOST_OUT)/obj32
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES := $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATES)/lib
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_EXECUTABLES := $(HOST_OUT_EXECUTABLES)
+$(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_JAVA_LIBRARIES := $(HOST_OUT_JAVA_LIBRARIES)
 
 # The default host library path.
 # It always points to the path where we build libraries in the default bitness.
@@ -266,6 +298,14 @@ else
 HOST_LIBRARY_PATH := $(HOST_OUT_SHARED_LIBRARIES)
 endif
 
+# Out for HOST_CROSS_2ND_ARCH
+HOST_CROSS_2ND_ARCH_VAR_PREFIX := 2ND_
+HOST_CROSS_2ND_ARCH_MODULE_SUFFIX := _64
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_INTERMEDIATES := $(HOST_CROSS_OUT)/obj64
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES := $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_INTERMEDIATES)/lib
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_SHARED_LIBRARIES := $(HOST_CROSS_OUT)/lib64
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_EXECUTABLES := $(HOST_CROSS_OUT_EXECUTABLES)
+
 TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj
 TARGET_OUT_HEADERS := $(TARGET_OUT_INTERMEDIATES)/include
 TARGET_OUT_INTERMEDIATE_LIBRARIES := $(TARGET_OUT_INTERMEDIATES)/lib
@@ -275,15 +315,22 @@ TARGET_OUT_GEN := $(PRODUCT_OUT)/gen
 TARGET_OUT_COMMON_GEN := $(TARGET_COMMON_OUT_ROOT)/gen
 
 TARGET_OUT := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_SYSTEM)
+ifneq ($(filter address,$(SANITIZE_TARGET)),)
+target_out_shared_libraries_base := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_DATA)
+else
+target_out_shared_libraries_base := $(TARGET_OUT)
+endif
+
 TARGET_OUT_EXECUTABLES := $(TARGET_OUT)/bin
 TARGET_OUT_OPTIONAL_EXECUTABLES := $(TARGET_OUT)/xbin
 ifeq ($(TARGET_IS_64_BIT),true)
 # /system/lib always contains 32-bit libraries,
 # and /system/lib64 (if present) always contains 64-bit libraries.
-TARGET_OUT_SHARED_LIBRARIES := $(TARGET_OUT)/lib64
+TARGET_OUT_SHARED_LIBRARIES := $(target_out_shared_libraries_base)/lib64
 else
-TARGET_OUT_SHARED_LIBRARIES := $(TARGET_OUT)/lib
+TARGET_OUT_SHARED_LIBRARIES := $(target_out_shared_libraries_base)/lib
 endif
+TARGET_OUT_RENDERSCRIPT_BITCODE := $(TARGET_OUT_SHARED_LIBRARIES)
 TARGET_OUT_JAVA_LIBRARIES := $(TARGET_OUT)/framework
 TARGET_OUT_APPS := $(TARGET_OUT)/app
 TARGET_OUT_APPS_PRIVILEGED := $(TARGET_OUT)/priv-app
@@ -293,12 +340,15 @@ TARGET_OUT_ETC := $(TARGET_OUT)/etc
 TARGET_OUT_NOTICE_FILES := $(TARGET_OUT_INTERMEDIATES)/NOTICE_FILES
 TARGET_OUT_FAKE := $(PRODUCT_OUT)/fake_packages
 
+TARGET_OUT_SYSTEM_OTHER := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_SYSTEM_OTHER)
+
 # Out for TARGET_2ND_ARCH
 TARGET_2ND_ARCH_VAR_PREFIX := $(HOST_2ND_ARCH_VAR_PREFIX)
 TARGET_2ND_ARCH_MODULE_SUFFIX := $(HOST_2ND_ARCH_MODULE_SUFFIX)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj_$(TARGET_2ND_ARCH)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES)/lib
-$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES := $(TARGET_OUT)/lib
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES := $(target_out_shared_libraries_base)/lib
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_RENDERSCRIPT_BITCODE := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_EXECUTABLES := $(TARGET_OUT_EXECUTABLES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_APPS := $(TARGET_OUT_APPS)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_APPS_PRIVILEGED := $(TARGET_OUT_APPS_PRIVILEGED)
@@ -313,8 +363,10 @@ TARGET_OUT_DATA_KEYCHARS := $(TARGET_OUT_KEYCHARS)
 TARGET_OUT_DATA_ETC := $(TARGET_OUT_ETC)
 ifeq ($(TARGET_IS_64_BIT),true)
 TARGET_OUT_DATA_NATIVE_TESTS := $(TARGET_OUT_DATA)/nativetest64
+TARGET_OUT_DATA_METRIC_TESTS := $(TARGET_OUT_DATA)/benchmarktest64
 else
 TARGET_OUT_DATA_NATIVE_TESTS := $(TARGET_OUT_DATA)/nativetest
+TARGET_OUT_DATA_METRIC_TESTS := $(TARGET_OUT_DATA)/benchmarktest
 endif
 TARGET_OUT_DATA_FAKE := $(TARGET_OUT_DATA)/fake_packages
 
@@ -322,28 +374,35 @@ $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_EXECUTABLES := $(TARGET_OUT_DATA_EX
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_SHARED_LIBRARIES := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_APPS := $(TARGET_OUT_DATA_APPS)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_NATIVE_TESTS := $(TARGET_OUT_DATA)/nativetest
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_METRIC_TESTS := $(TARGET_OUT_DATA)/benchmarktest
 
 TARGET_OUT_CACHE := $(PRODUCT_OUT)/cache
 
 TARGET_OUT_VENDOR := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_VENDOR)
+ifneq ($(filter address,$(SANITIZE_TARGET)),)
+target_out_vendor_shared_libraries_base := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_DATA)/vendor
+else
+target_out_vendor_shared_libraries_base := $(TARGET_OUT_VENDOR)
+endif
+
 TARGET_OUT_VENDOR_EXECUTABLES := $(TARGET_OUT_VENDOR)/bin
 TARGET_OUT_VENDOR_OPTIONAL_EXECUTABLES := $(TARGET_OUT_VENDOR)/xbin
 ifeq ($(TARGET_IS_64_BIT),true)
-TARGET_OUT_VENDOR_SHARED_LIBRARIES := $(TARGET_OUT_VENDOR)/lib64
+TARGET_OUT_VENDOR_SHARED_LIBRARIES := $(target_out_vendor_shared_libraries_base)/lib64
 else
-TARGET_OUT_VENDOR_SHARED_LIBRARIES := $(TARGET_OUT_VENDOR)/lib
+TARGET_OUT_VENDOR_SHARED_LIBRARIES := $(target_out_vendor_shared_libraries_base)/lib
 endif
 TARGET_OUT_VENDOR_JAVA_LIBRARIES := $(TARGET_OUT_VENDOR)/framework
 TARGET_OUT_VENDOR_APPS := $(TARGET_OUT_VENDOR)/app
 TARGET_OUT_VENDOR_ETC := $(TARGET_OUT_VENDOR)/etc
 
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_EXECUTABLES := $(TARGET_OUT_VENDOR_EXECUTABLES)
-$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES := $(TARGET_OUT_VENDOR)/lib
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES := $(target_out_vendor_shared_libraries_base)/lib
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_APPS := $(TARGET_OUT_VENDOR_APPS)
 
 TARGET_OUT_OEM := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_OEM)
 TARGET_OUT_OEM_EXECUTABLES := $(TARGET_OUT_OEM)/bin
-ifneq ($(filter %64,$(TARGET_ARCH)),)
+ifeq ($(TARGET_IS_64_BIT),true)
 TARGET_OUT_OEM_SHARED_LIBRARIES := $(TARGET_OUT_OEM)/lib64
 else
 TARGET_OUT_OEM_SHARED_LIBRARIES := $(TARGET_OUT_OEM)/lib
@@ -357,6 +416,22 @@ $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_OEM_EXECUTABLES := $(TARGET_OUT_OEM_EXEC
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_OEM_SHARED_LIBRARIES := $(TARGET_OUT_OEM)/lib
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_OEM_APPS := $(TARGET_OUT_OEM_APPS)
 
+TARGET_OUT_ODM := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_ODM)
+TARGET_OUT_ODM_EXECUTABLES := $(TARGET_OUT_ODM)/bin
+ifeq ($(TARGET_IS_64_BIT),true)
+TARGET_OUT_ODM_SHARED_LIBRARIES := $(TARGET_OUT_ODM)/lib64
+else
+TARGET_OUT_ODM_SHARED_LIBRARIES := $(TARGET_OUT_ODM)/lib
+endif
+TARGET_OUT_ODM_APPS := $(TARGET_OUT_ODM)/app
+TARGET_OUT_ODM_ETC := $(TARGET_OUT_ODM)/etc
+
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_ODM_EXECUTABLES := $(TARGET_OUT_ODM_EXECUTABLES)
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_ODM_SHARED_LIBRARIES := $(TARGET_OUT_ODM)/lib
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_ODM_APPS := $(TARGET_OUT_ODM_APPS)
+
+TARGET_OUT_BREAKPAD := $(PRODUCT_OUT)/breakpad
+
 TARGET_OUT_UNSTRIPPED := $(PRODUCT_OUT)/symbols
 TARGET_OUT_EXECUTABLES_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/system/bin
 TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/system/lib
@@ -383,9 +458,8 @@ TARGET_INSTALLER_DATA_OUT := $(TARGET_INSTALLER_OUT)/data
 TARGET_INSTALLER_ROOT_OUT := $(TARGET_INSTALLER_OUT)/root
 TARGET_INSTALLER_SYSTEM_OUT := $(TARGET_INSTALLER_OUT)/root/system
 
-TARGET_FACTORY_RAMDISK_OUT := $(PRODUCT_OUT)/factory_ramdisk
-
 COMMON_MODULE_CLASSES := TARGET-NOTICE_FILES HOST-NOTICE_FILES HOST-JAVA_LIBRARIES
+PER_ARCH_MODULE_CLASSES := SHARED_LIBRARIES STATIC_LIBRARIES EXECUTABLES GYP RENDERSCRIPT_BITCODE
 
 ifeq (,$(strip $(DIST_DIR)))
   DIST_DIR := $(OUT_DIR)/dist
@@ -394,3 +468,7 @@ endif
 ifeq ($(PRINT_BUILD_CONFIG),)
 PRINT_BUILD_CONFIG := true
 endif
+
+ifeq ($(USE_CLANG_PLATFORM_BUILD),)
+USE_CLANG_PLATFORM_BUILD := true
+endif
diff --git a/core/executable.mk b/core/executable.mk
index 4dd9a2349..5a33db7bb 100644
--- a/core/executable.mk
+++ b/core/executable.mk
@@ -6,6 +6,17 @@
 # LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 or LOCAL_MODULE_STEM_32 and
 # LOCAL_MODULE_STEM_64
 
+my_skip_this_target :=
+ifneq ($(filter address,$(SANITIZE_TARGET)),)
+  ifeq (true,$(LOCAL_FORCE_STATIC_EXECUTABLE))
+    my_skip_this_target := true
+  else ifeq (false, $(LOCAL_CLANG))
+    my_skip_this_target := true
+  endif
+endif
+
+ifneq (true,$(my_skip_this_target))
+
 my_prefix := TARGET_
 include $(BUILD_SYSTEM)/multilib.mk
 
@@ -31,6 +42,10 @@ endif
 
 my_skip_non_preferred_arch :=
 
+ifeq ($(LOCAL_SDCLANG), true)
+include $(SDCLANG_FLAG_DEFS)
+endif
+
 # check if preferred arch is supported
 include $(BUILD_SYSTEM)/module_arch_supported.mk
 ifeq ($(my_module_arch_supported),true)
@@ -59,9 +74,6 @@ ifeq ($(my_module_arch_supported),true)
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 include $(BUILD_SYSTEM)/executable_internal.mk
 endif
@@ -71,3 +83,11 @@ LOCAL_2ND_ARCH_VAR_PREFIX :=
 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
 
 my_module_arch_supported :=
+
+ifeq ($(LOCAL_SDCLANG), true)
+ifeq ($(LOCAL_SDCLANG_LTO), true)
+include $(SDCLANG_LTO_DEFS)
+endif
+endif
+
+endif
diff --git a/core/executable_internal.mk b/core/executable_internal.mk
index 93252875f..febea98f6 100644
--- a/core/executable_internal.mk
+++ b/core/executable_internal.mk
@@ -35,11 +35,21 @@ endif
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
+ifeq ($(LOCAL_NO_LIBGCC),true)
+my_target_libgcc :=
+else
 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
+endif
 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
+ifeq ($(LOCAL_NO_CRT),true)
+my_target_crtbegin_dynamic_o :=
+my_target_crtbegin_static_o :=
+my_target_crtend_o :=
+else
 my_target_crtbegin_dynamic_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_DYNAMIC_O)
 my_target_crtbegin_static_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_STATIC_O)
 my_target_crtend_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTEND_O)
+endif
 ifdef LOCAL_SDK_VERSION
 # Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
 # so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
@@ -60,13 +70,16 @@ $(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(my_target_crtbegin_dyna
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(my_target_crtbegin_static_o)
 $(linked_module): PRIVATE_TARGET_CRTEND_O := $(my_target_crtend_o)
 $(linked_module): PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)
+$(linked_module): PRIVATE_POST_LINK_CMD := $(LOCAL_POST_LINK_CMD)
 
 ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
 $(linked_module): $(my_target_crtbegin_static_o) $(all_objects) $(all_libraries) $(my_target_crtend_o)
 	$(transform-o-to-static-executable)
+	$(PRIVATE_POST_LINK_CMD)
 else
 $(linked_module): $(my_target_crtbegin_dynamic_o) $(all_objects) $(all_libraries) $(my_target_crtend_o)
 	$(transform-o-to-executable)
+	$(PRIVATE_POST_LINK_CMD)
 endif
 
 endif  # skip_build_from_source
diff --git a/core/executable_prefer_symlink.mk b/core/executable_prefer_symlink.mk
index 2326e83a0..931550f4f 100644
--- a/core/executable_prefer_symlink.mk
+++ b/core/executable_prefer_symlink.mk
@@ -39,7 +39,10 @@ $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
   endif
 endif
 
-$(my_symlink): $(LOCAL_INSTALLED_MODULE) $(LOCAL_MODULE_MAKEFILE)
+# $(my_symlink) doesn't need to depend on $(PRIVATE_SRC_BINARY_NAME): we can generate symlink to nonexistent file.
+# If you add the dependency, make would compare the timestamp of a file against that of its symlink:
+# they are always equal, because make follows symlink.
+$(my_symlink): $(LOCAL_MODULE_MAKEFILE_DEP)
 	@echo "Symlink: $@ -> $(PRIVATE_SRC_BINARY_NAME)"
 	@mkdir -p $(dir $@)
 	@rm -rf $@
diff --git a/core/find-jdk-tools-jar.sh b/core/find-jdk-tools-jar.sh
index f150a9abd..ac0b3b6b5 100755
--- a/core/find-jdk-tools-jar.sh
+++ b/core/find-jdk-tools-jar.sh
@@ -2,7 +2,13 @@
 if [ "x$ANDROID_JAVA_HOME" != x ] && [ -e "$ANDROID_JAVA_HOME/lib/tools.jar" ] ; then
     echo $ANDROID_JAVA_HOME/lib/tools.jar
 else
-    JAVAC=$(which javac)
+    JAVAC=$(realpath $(which javac) 2>/dev/null)
+    if [ -z "$JAVAC" ]; then
+        JAVAC=$(readlink -f $(which javac) 2>/dev/null)
+    fi
+    if [ -z "$JAVAC" ]; then
+        JAVAC=$(which javac)
+    fi
     if [ -z "$JAVAC" ] ; then
         exit 1
     fi
@@ -10,5 +16,5 @@ else
         LSLINE=$(ls -l "$JAVAC")
         JAVAC=$(echo -n "$LSLINE" | sed -e "s/.* -> //")
     done
-    echo $JAVAC | sed -e "s:\(.*\)/bin/javac.*:\\1/lib/tools.jar:"
+    echo $JAVAC | sed -e 's:\(.*\)/javac$:\1/../lib/tools.jar:'
 fi
diff --git a/core/fuzz_test.mk b/core/fuzz_test.mk
new file mode 100644
index 000000000..fc582b3fe
--- /dev/null
+++ b/core/fuzz_test.mk
@@ -0,0 +1,34 @@
+###########################################
+## A thin wrapper around BUILD_EXECUTABLE
+## Common flags for fuzz tests are added.
+###########################################
+
+ifdef LOCAL_SDK_VERSION
+    $(error $(LOCAL_PATH): $(LOCAL_MODULE): NDK fuzz tests are not supported.)
+endif
+
+LOCAL_CFLAGS += -fsanitize-coverage=edge,indirect-calls,8bit-counters,trace-cmp
+LOCAL_STATIC_LIBRARIES += libLLVMFuzzer
+
+ifdef LOCAL_MODULE_PATH
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH when building test $(LOCAL_MODULE))
+endif
+
+ifdef LOCAL_MODULE_PATH_32
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_32 when building test $(LOCAL_MODULE))
+endif
+
+ifdef LOCAL_MODULE_PATH_64
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_64 when building test $(LOCAL_MODULE))
+endif
+
+LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_32 := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+
+ifndef LOCAL_MULTILIB
+ifndef LOCAL_32_BIT_ONLY
+LOCAL_MULTILIB := both
+endif
+endif
+
+include $(BUILD_EXECUTABLE)
diff --git a/core/generate_extra_images.mk b/core/generate_extra_images.mk
new file mode 100644
index 000000000..664b963f1
--- /dev/null
+++ b/core/generate_extra_images.mk
@@ -0,0 +1,114 @@
+# This makefile is used to generate extra images for QCOM targets
+# persist, device tree & NAND images required for different QCOM targets.
+
+# These variables are required to make sure that the required
+# files/targets are available before generating NAND images.
+# This file is included from device/qcom/<TARGET>/AndroidBoard.mk
+# and gets parsed before build/core/Makefile, which has these
+# variables defined. build/core/Makefile will overwrite these
+# variables again.
+INSTALLED_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img
+INSTALLED_RECOVERYIMAGE_TARGET := $(PRODUCT_OUT)/recovery.img
+INSTALLED_USERDATAIMAGE_TARGET := $(PRODUCT_OUT)/userdata.img
+
+#----------------------------------------------------------------------
+# Generate secure boot & recovery image
+#----------------------------------------------------------------------
+ifeq ($(TARGET_BOOTIMG_SIGNED),true)
+INSTALLED_SEC_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img.secure
+INSTALLED_SEC_RECOVERYIMAGE_TARGET := $(PRODUCT_OUT)/recovery.img.secure
+
+intermediates := $(call intermediates-dir-for,PACKAGING,recovery_patch)
+RECOVERY_FROM_BOOT_PATCH := $(intermediates)/recovery_from_boot.p
+
+ifndef TARGET_SHA_TYPE
+  TARGET_SHA_TYPE := sha256
+endif
+
+define build-sec-image
+	$(hide) mv -f $(1) $(1).nonsecure
+	$(hide) openssl dgst -$(TARGET_SHA_TYPE) -binary $(1).nonsecure > $(1).$(TARGET_SHA_TYPE)
+	$(hide) openssl rsautl -sign -in $(1).$(TARGET_SHA_TYPE) -inkey $(PRODUCT_PRIVATE_KEY) -out $(1).sig
+	$(hide) dd if=/dev/zero of=$(1).sig.padded bs=$(BOARD_KERNEL_PAGESIZE) count=1
+	$(hide) dd if=$(1).sig of=$(1).sig.padded conv=notrunc
+	$(hide) cat $(1).nonsecure $(1).sig.padded > $(1).secure
+	$(hide) rm -rf $(1).$(TARGET_SHA_TYPE) $(1).sig $(1).sig.padded
+	$(hide) mv -f $(1).secure $(1)
+endef
+
+$(INSTALLED_SEC_BOOTIMAGE_TARGET): $(INSTALLED_BOOTIMAGE_TARGET) $(RECOVERY_FROM_BOOT_PATCH)
+	$(hide) $(call build-sec-image,$(INSTALLED_BOOTIMAGE_TARGET))
+
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_SEC_BOOTIMAGE_TARGET)
+ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_SEC_BOOTIMAGE_TARGET)
+
+$(INSTALLED_SEC_RECOVERYIMAGE_TARGET): $(INSTALLED_RECOVERYIMAGE_TARGET) $(RECOVERY_FROM_BOOT_PATCH)
+	$(hide) $(call build-sec-image,$(INSTALLED_RECOVERYIMAGE_TARGET))
+
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_SEC_RECOVERYIMAGE_TARGET)
+ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_SEC_RECOVERYIMAGE_TARGET)
+endif # TARGET_BOOTIMG_SIGNED
+
+#----------------------------------------------------------------------
+# Generate persist image (persist.img)
+#----------------------------------------------------------------------
+TARGET_OUT_PERSIST := $(PRODUCT_OUT)/persist
+
+INTERNAL_PERSISTIMAGE_FILES := \
+	$(filter $(TARGET_OUT_PERSIST)/%,$(ALL_DEFAULT_INSTALLED_MODULES))
+
+INSTALLED_PERSISTIMAGE_TARGET := $(PRODUCT_OUT)/persist.img
+
+define build-persistimage-target
+    $(call pretty,"Target persist fs image: $(INSTALLED_PERSISTIMAGE_TARGET)")
+    @mkdir -p $(TARGET_OUT_PERSIST)
+    $(hide) $(MKEXTUSERIMG) -s $(TARGET_OUT_PERSIST) $@ ext4 persist $(BOARD_PERSISTIMAGE_PARTITION_SIZE)
+    $(hide) chmod a+r $@
+    $(hide) $(call assert-max-image-size,$@,$(BOARD_PERSISTIMAGE_PARTITION_SIZE),yaffs)
+endef
+
+$(INSTALLED_PERSISTIMAGE_TARGET): $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(INTERNAL_PERSISTIMAGE_FILES)
+	$(build-persistimage-target)
+
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_PERSISTIMAGE_TARGET)
+ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_PERSISTIMAGE_TARGET)
+
+#----------------------------------------------------------------------
+# Generate extra userdata images (for variants with multiple mmc sizes)
+#----------------------------------------------------------------------
+ifneq ($(BOARD_USERDATAEXTRAIMAGE_PARTITION_SIZE),)
+
+ifndef BOARD_USERDATAEXTRAIMAGE_PARTITION_NAME
+  BOARD_USERDATAEXTRAIMAGE_PARTITION_NAME := extra
+endif
+
+BUILT_USERDATAEXTRAIMAGE_TARGET := $(PRODUCT_OUT)/userdata_$(BOARD_USERDATAEXTRAIMAGE_PARTITION_NAME).img
+
+define build-userdataextraimage-target
+    $(call pretty,"Target EXTRA userdata fs image: $(INSTALLED_USERDATAEXTRAIMAGE_TARGET)")
+    @mkdir -p $(TARGET_OUT_DATA)
+    $(hide) $(MKEXTUSERIMG) -s $(TARGET_OUT_DATA) $@ ext4 data $(BOARD_USERDATAEXTRAIMAGE_PARTITION_SIZE)
+    $(hide) chmod a+r $@
+    $(hide) $(call assert-max-image-size,$@,$(BOARD_USERDATAEXTRAIMAGE_PARTITION_SIZE),yaffs)
+endef
+
+INSTALLED_USERDATAEXTRAIMAGE_TARGET := $(BUILT_USERDATAEXTRAIMAGE_TARGET)
+$(INSTALLED_USERDATAEXTRAIMAGE_TARGET): $(INSTALLED_USERDATAIMAGE_TARGET)
+	$(build-userdataextraimage-target)
+
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_USERDATAEXTRAIMAGE_TARGET)
+ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_USERDATAEXTRAIMAGE_TARGET)
+
+endif
+
+.PHONY: aboot
+aboot: $(INSTALLED_BOOTLOADER_MODULE)
+
+.PHONY: sec_bootimage
+sec_bootimage: $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_SEC_BOOTIMAGE_TARGET)
+
+.PHONY: sec_recoveryimage
+sec_recoveryimage: $(INSTALLED_RECOVERYIMAGE_TARGET) $(INSTALLED_SEC_RECOVERYIMAGE_TARGET)
+
+.PHONY: persistimage
+persistimage: $(INSTALLED_PERSISTIMAGE_TARGET)
diff --git a/core/goma.mk b/core/goma.mk
new file mode 100644
index 000000000..6535b3e4a
--- /dev/null
+++ b/core/goma.mk
@@ -0,0 +1,67 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Notice: this works only with Google's Goma build infrastructure.
+ifneq ($(filter-out false,$(USE_GOMA)),)
+  # Check if USE_NINJA is not false because GNU make won't work well
+  # with goma. Note this file is evaluated twice, once by GNU make and
+  # once by kati with USE_NINJA=false. We do this check in the former
+  # pass.
+  ifndef KATI
+    ifeq ($(USE_NINJA),false)
+      $(error USE_GOMA=true is not compatible with USE_NINJA=false)
+    endif
+  endif
+
+  # Goma requires a lot of processes and file descriptors.
+  ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1)
+    $(warning Max user processes and/or open files are insufficient)
+    ifeq ($(shell uname),Darwin)
+      $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android to relax the limit)
+    else
+      $(error Adjust the limit by ulimit -u and ulimit -n)
+    endif
+  endif
+
+  ifdef GOMA_DIR
+    goma_dir := $(GOMA_DIR)
+  else
+    goma_dir := $(HOME)/goma
+  endif
+  goma_ctl := $(goma_dir)/goma_ctl.py
+  GOMA_CC := $(goma_dir)/gomacc
+
+  $(if $(wildcard $(goma_ctl)),, \
+   $(warning You should have goma in $$GOMA_DIR or $(HOME)/goma) \
+   $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android for detail))
+
+  # Append gomacc to existing *_WRAPPER variables so it's possible to
+  # use both ccache and gomacc.
+  CC_WRAPPER := $(strip $(CC_WRAPPER) $(GOMA_CC))
+  CXX_WRAPPER := $(strip $(CXX_WRAPPER) $(GOMA_CC))
+
+  # gomacc can start goma client's daemon process automatically, but
+  # it is safer and faster to start up it beforehand. We run this as a
+  # background process so this won't slow down the build.
+  # We use "ensure_start" command when the compiler_proxy is already
+  # running and uses GOMA_HERMETIC=error flag. The compiler_proxy will
+  # restart otherwise.
+  # TODO(hamaji): Remove this condition after http://b/25676777 is fixed.
+  $(shell ( if ( curl http://localhost:$$($(GOMA_CC) port)/flagz | grep GOMA_HERMETIC=error ); then cmd=ensure_start; else cmd=restart; fi; GOMA_HERMETIC=error $(goma_ctl) $${cmd} ) &> /dev/null &)
+
+  goma_ctl :=
+  goma_dir :=
+endif
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 61eb3ffa4..83047d4c3 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -20,6 +20,7 @@
 # They will be compiled against libcore and not the host JRE.
 #
 
+ifeq ($(HOST_OS),linux)
 USE_CORE_LIB_BOOTCLASSPATH := true
 
 #######################################
@@ -27,50 +28,61 @@ include $(BUILD_SYSTEM)/host_java_library_common.mk
 #######################################
 
 ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
-  LOCAL_JAVA_LIBRARIES +=  core-libart-hostdex
+  LOCAL_JAVA_LIBRARIES += core-oj-hostdex core-libart-hostdex
 endif
 
 full_classes_compiled_jar := $(intermediates.COMMON)/classes-full-debug.jar
 full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
 full_classes_jar := $(intermediates.COMMON)/classes.jar
+full_classes_jack := $(intermediates.COMMON)/classes.jack
+jack_check_timestamp := $(intermediates.COMMON)/jack.check.timestamp
 built_dex := $(intermediates.COMMON)/classes.dex
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
     $(full_classes_jarjar_jar) \
+    $(full_classes_jack) \
     $(full_classes_jar) \
+    $(jack_check_timestamp) \
     $(built_dex)
 
 # See comment in java.mk
-java_alternative_checked_module := $(full_classes_compiled_jar)
+ifndef LOCAL_CHECKED_MODULE
+ifdef LOCAL_JACK_ENABLED
+LOCAL_CHECKED_MODULE := $(jack_check_timestamp)
+else
+LOCAL_CHECKED_MODULE := $(full_classes_compiled_jar)
+endif
+endif
 
 #######################################
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################
+java_sources := $(addprefix $(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) \
+                $(filter %.java,$(LOCAL_GENERATED_SOURCES))
+all_java_sources := $(java_sources)
 
-$(full_classes_compiled_jar): PRIVATE_JAVAC_DEBUG_FLAGS := -g
-
-java_alternative_checked_module :=
+include $(BUILD_SYSTEM)/java_common.mk
 
 # The layers file allows you to enforce a layering between java packages.
 # Run build/tools/java-layers.py for more details.
 layers_file := $(addprefix $(LOCAL_PATH)/, $(LOCAL_JAVA_LAYERS_FILE))
 
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates.COMMON)/classes
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
-
 $(cleantarget): PRIVATE_CLEAN_FILES += $(intermediates.COMMON)
 
 $(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
-$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
-$(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
-$(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
-        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_classes_compiled_jar): \
+        $(java_sources) \
+        $(java_resource_sources) \
+        $(full_java_lib_deps) \
+        $(jar_manifest_file) \
+        $(proto_java_sources_file_stamp) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
 
 # Run jarjar if necessary, otherwise just copy the file.
@@ -89,19 +101,58 @@ $(full_classes_jar): $(full_classes_jarjar_jar) | $(ACP)
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@
 
-$(built_dex): PRIVATE_INTERMEDIATES_DIR := $(intermediates.COMMON)
-$(built_dex): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
-$(built_dex): $(full_classes_jar) $(DX)
-	$(transform-classes.jar-to-dex)
+ifndef LOCAL_JACK_ENABLED
 
 $(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
+$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
+$(LOCAL_BUILT_MODULE): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(LOCAL_BUILT_MODULE): $(built_dex) $(java_resource_sources)
 	@echo "Host Jar: $(PRIVATE_MODULE) ($@)"
-	$(create-empty-package)
+	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
 	$(add-dex-to-package)
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
+
+else # LOCAL_JACK_ENABLED
+$(LOCAL_INTERMEDIATE_TARGETS): \
+	PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
+
+ifeq ($(LOCAL_JACK_ENABLED),incremental)
+$(LOCAL_INTERMEDIATE_TARGETS): \
+	PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-incremental
+else
+$(LOCAL_INTERMEDIATE_TARGETS): \
+	PRIVATE_JACK_INCREMENTAL_DIR :=
 endif
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_MIN_SDK_VERSION := $(PLATFORM_JACK_MIN_SDK_VERSION)
+
+jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_deps) \
+        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK)
+$(built_dex): PRIVATE_CLASSES_JACK := $(full_classes_jack)
+$(built_dex): $(jack_all_deps) | setup-jack-server
+	@echo Building with Jack: $@
+	$(jack-java-to-dex)
+
+$(jack_check_timestamp): $(jack_all_deps) | setup-jack-server
+	@echo Checking build with Jack: $@
+	$(jack-check-java)
+
+# $(full_classes_jack) is just by-product of $(built_dex).
+# The dummy command was added because, without it, make misses the fact the $(built_dex) also
+# change $(full_classes_jack).
+$(full_classes_jack): $(built_dex)
+	$(hide) touch $@
+
+$(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
+$(LOCAL_BUILT_MODULE): $(built_dex) $(java_resource_sources)
+	@echo "Host Jar: $(PRIVATE_MODULE) ($@)"
+	$(create-empty-package)
+	$(add-dex-to-package)
+	$(add-carried-jack-resources)
+
+endif # LOCAL_JACK_ENABLED
 
 USE_CORE_LIB_BOOTCLASSPATH :=
+
+endif
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index 3ae74e42f..c296be359 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -19,10 +19,42 @@
 # These libraries will be compiled against libcore and not the host
 # JRE.
 #
+ifeq ($(HOST_OS),linux)
 
+LOCAL_UNINSTALLABLE_MODULE := true
+LOCAL_IS_STATIC_JAVA_LIBRARY := true
 USE_CORE_LIB_BOOTCLASSPATH := true
-LOCAL_JAVA_LIBRARIES += core-libart-hostdex
+LOCAL_JAVA_LIBRARIES += core-oj-hostdex core-libart-hostdex
+
+intermediates.COMMON := $(call intermediates-dir-for,JAVA_LIBRARIES,$(LOCAL_MODULE),true,COMMON,)
+full_classes_jack := $(intermediates.COMMON)/classes.jack
+LOCAL_INTERMEDIATE_TARGETS += \
+    $(full_classes_jack)
 
 include $(BUILD_SYSTEM)/host_java_library.mk
+# proguard is not supported
+# *.proto files are not supported
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_MIN_SDK_VERSION := $(PLATFORM_JACK_MIN_SDK_VERSION)
+
+$(full_classes_jack): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
+$(full_classes_jack): \
+	PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
+ifeq ($(LOCAL_JACK_ENABLED),incremental)
+$(full_classes_jack): \
+	PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-incremental
+else
+$(full_classes_jack): \
+	PRIVATE_JACK_INCREMENTAL_DIR :=
+endif
+$(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_deps) \
+        $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
+        $(JACK) | setup-jack-server
+	@echo Building with Jack: $@
+	$(java-to-jack)
 
 USE_CORE_LIB_BOOTCLASSPATH :=
+LOCAL_IS_STATIC_JAVA_LIBRARY :=
+endif
diff --git a/core/host_executable.mk b/core/host_executable.mk
index bf3cde1fd..6f19bd173 100644
--- a/core/host_executable.mk
+++ b/core/host_executable.mk
@@ -1,5 +1,6 @@
-
+LOCAL_IS_HOST_MODULE := true
 my_prefix := HOST_
+LOCAL_HOST_PREFIX :=
 include $(BUILD_SYSTEM)/multilib.mk
 
 ifndef LOCAL_MODULE_HOST_ARCH
@@ -13,6 +14,10 @@ endif
 endif
 endif
 
+ifeq ($(LOCAL_NO_FPIE),)
+LOCAL_LDFLAGS += $(HOST_FPIE_FLAGS)
+endif
+
 ifeq ($(my_module_multilib),both)
 ifeq ($(LOCAL_MODULE_PATH_32)$(LOCAL_MODULE_STEM_32),)
 $(error $(LOCAL_PATH): LOCAL_MODULE_STEM_32 or LOCAL_MODULE_PATH_32 is required for LOCAL_MULTILIB := both for module $(LOCAL_MODULE))
@@ -46,5 +51,57 @@ endif
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 endif  # HOST_2ND_ARCH
 
+ifdef HOST_CROSS_OS
+my_prefix := HOST_CROSS_
+LOCAL_HOST_PREFIX := $(my_prefix)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# Build for Windows
+OVERRIDE_BUILT_MODULE_PATH :=
+# we don't want others using the cross compiled version
+saved_LOCAL_BUILT_MODULE := $(LOCAL_BUILT_MODULE)
+saved_LOCAL_INSTALLED_MODULE := $(LOCAL_INSTALLED_MODULE)
+saved_LOCAL_LDFLAGS := $(LOCAL_LDFLAGS)
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+ifeq ($(LOCAL_NO_FPIE),)
+LOCAL_LDFLAGS += $(HOST_CROSS_FPIE_FLAGS)
+endif
+
+include $(BUILD_SYSTEM)/host_executable_internal.mk
+LOCAL_LDFLAGS := $(saved_LOCAL_LDFLAGS)
+LOCAL_BUILT_MODULE := $(saved_LOCAL_BUILT_MODULE)
+LOCAL_INSTALLED_MODULE := $(saved_LOCAL_INSTALLED_MODULE)
+endif
+
+ifdef HOST_CROSS_2ND_ARCH
+LOCAL_2ND_ARCH_VAR_PREFIX := $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+OVERRIDE_BUILT_MODULE_PATH :=
+# we don't want others using the cross compiled version
+saved_LOCAL_BUILT_MODULE := $(LOCAL_BUILT_MODULE)
+saved_LOCAL_INSTALLED_MODULE := $(LOCAL_INSTALLED_MODULE)
+saved_LOCAL_LDFLAGS := $(LOCAL_LDFLAGS)
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+ifeq ($(LOCAL_NO_FPIE),)
+LOCAL_LDFLAGS += $(HOST_CROSS_FPIE_FLAGS)
+endif
+
+include $(BUILD_SYSTEM)/host_executable_internal.mk
+LOCAL_LDFLAGS := $(saved_LOCAL_LDFLAGS)
+LOCAL_BUILT_MODULE := $(saved_LOCAL_BUILT_MODULE)
+LOCAL_INSTALLED_MODULE := $(saved_LOCAL_INSTALLED_MODULE)
+endif
+LOCAL_2ND_ARCH_VAR_PREFIX :=
+endif
+LOCAL_HOST_PREFIX :=
+endif
+
 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
 my_module_arch_supported :=
diff --git a/core/host_executable_internal.mk b/core/host_executable_internal.mk
index ffb35d2a1..b682ffdaa 100644
--- a/core/host_executable_internal.mk
+++ b/core/host_executable_internal.mk
@@ -5,12 +5,11 @@
 ## None.
 ###########################################################
 
-LOCAL_IS_HOST_MODULE := true
 ifeq ($(strip $(LOCAL_MODULE_CLASS)),)
 LOCAL_MODULE_CLASS := EXECUTABLES
 endif
 ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
-LOCAL_MODULE_SUFFIX := $(HOST_EXECUTABLE_SUFFIX)
+LOCAL_MODULE_SUFFIX := $($(my_prefix)EXECUTABLE_SUFFIX)
 endif
 
 $(call host-executable-hook)
@@ -27,6 +26,9 @@ ifndef skip_build_from_source
 
 include $(BUILD_SYSTEM)/binary.mk
 
+my_host_libprofile_rt := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)LIBPROFILE_RT)
+$(LOCAL_BUILT_MODULE): PRIVATE_HOST_LIBPROFILE_RT := $(my_host_libprofile_rt)
+
 $(LOCAL_BUILT_MODULE): $(all_objects) $(all_libraries)
 	$(transform-host-o-to-executable)
 
diff --git a/core/host_fuzz_test.mk b/core/host_fuzz_test.mk
new file mode 100644
index 000000000..cc7baada1
--- /dev/null
+++ b/core/host_fuzz_test.mk
@@ -0,0 +1,9 @@
+################################################
+## A thin wrapper around BUILD_HOST_EXECUTABLE
+## Common flags for host fuzz tests are added.
+################################################
+
+LOCAL_CFLAGS += -fsanitize-coverage=edge,indirect-calls,8bit-counters,trace-cmp
+LOCAL_STATIC_LIBRARIES += libLLVMFuzzer
+
+include $(BUILD_HOST_EXECUTABLE)
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 7e0e4372e..97079fd37 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -30,19 +30,58 @@ endif
 endif
 
 full_classes_compiled_jar := $(intermediates.COMMON)/classes-full-debug.jar
+full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
 emma_intermediates_dir := $(intermediates.COMMON)/emma_out
 # emma is hardcoded to use the leaf name of its input for the output file --
 # only the output directory can be changed
-full_classes_emma_jar := $(emma_intermediates_dir)/lib/$(notdir $(full_classes_compiled_jar))
+full_classes_emma_jar := $(emma_intermediates_dir)/lib/$(notdir $(full_classes_jarjar_jar))
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
+    $(full_classes_jarjar_jar) \
     $(full_classes_emma_jar)
 
 #######################################
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################
 
+java_sources := $(addprefix $(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) \
+                $(filter %.java,$(LOCAL_GENERATED_SOURCES))
+all_java_sources := $(java_sources)
+
+include $(BUILD_SYSTEM)/java_common.mk
+
+# The layers file allows you to enforce a layering between java packages.
+# Run build/tools/java-layers.py for more details.
+layers_file := $(addprefix $(LOCAL_PATH)/, $(LOCAL_JAVA_LAYERS_FILE))
+
+$(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS)
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
+$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
+$(full_classes_compiled_jar): \
+        $(java_sources) \
+        $(java_resource_sources) \
+        $(full_java_lib_deps) \
+        $(jar_manifest_file) \
+        $(proto_java_sources_file_stamp) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
+	$(transform-host-java-to-package)
+
+# Run jarjar if necessary, otherwise just copy the file.
+ifneq ($(strip $(LOCAL_JARJAR_RULES)),)
+$(full_classes_jarjar_jar): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
+$(full_classes_jarjar_jar): $(full_classes_compiled_jar) $(LOCAL_JARJAR_RULES) | $(JARJAR)
+	@echo JarJar: $@
+	$(hide) java -jar $(JARJAR) process $(PRIVATE_JARJAR_RULES) $< $@
+else
+$(full_classes_jarjar_jar): $(full_classes_compiled_jar) | $(ACP)
+	@echo Copying: $@
+	$(hide) $(ACP) -fp $< $@
+endif
+
 ifeq (true,$(LOCAL_EMMA_INSTRUMENT))
 $(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.em
 $(full_classes_emma_jar): PRIVATE_EMMA_INTERMEDIATES_DIR := $(emma_intermediates_dir)
@@ -55,30 +94,16 @@ $(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILTER := *,-emma,-emmarun,-com.
 endif
 # this rule will generate both $(PRIVATE_EMMA_COVERAGE_FILE) and
 # $(full_classes_emma_jar)
-$(full_classes_emma_jar) : $(full_classes_compiled_jar) | $(EMMA_JAR)
+$(full_classes_emma_jar) : $(full_classes_jarjar_jar) | $(EMMA_JAR)
 	$(transform-classes.jar-to-emma)
 
-$(LOCAL_BUILT_MODULE) : $(full_classes_emma_jar)
+$(built_javalib_jar) : $(full_classes_emma_jar)
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@
 
 else # LOCAL_EMMA_INSTRUMENT
-# Directly build into LOCAL_BUILT_MODULE.
-full_classes_compiled_jar := $(LOCAL_BUILT_MODULE)
+$(built_javalib_jar): $(full_classes_jarjar_jar) | $(ACP)
+	@echo Copying: $@
+	$(hide) $(ACP) -fp $< $@
 endif # LOCAL_EMMA_INSTRUMENT
 
-$(full_classes_compiled_jar): PRIVATE_JAVAC_DEBUG_FLAGS := -g
-
-# The layers file allows you to enforce a layering between java packages.
-# Run build/tools/java-layers.py for more details.
-layers_file := $(addprefix $(LOCAL_PATH)/, $(LOCAL_JAVA_LAYERS_FILE))
-
-$(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
-$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
-$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
-$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
-$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
-$(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
-$(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
-		$(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
-	$(transform-host-java-to-package)
diff --git a/core/host_java_library_common.mk b/core/host_java_library_common.mk
index 973afa03f..35a6e28ed 100644
--- a/core/host_java_library_common.mk
+++ b/core/host_java_library_common.mk
@@ -23,25 +23,42 @@ LOCAL_MODULE_SUFFIX := $(COMMON_JAVA_PACKAGE_SUFFIX)
 LOCAL_IS_HOST_MODULE := true
 LOCAL_BUILT_MODULE_STEM := javalib.jar
 
+intermediates := $(call local-intermediates-dir)
+intermediates.COMMON := $(call local-intermediates-dir,COMMON)
+
+built_javalib_jar := $(intermediates)/javalib.jar
+
+#################################
+include $(BUILD_SYSTEM)/configure_local_jack.mk
+#################################
+
+ifdef LOCAL_JACK_ENABLED
+ifdef LOCAL_IS_STATIC_JAVA_LIBRARY
+LOCAL_BUILT_MODULE_STEM := classes.jack
+LOCAL_INTERMEDIATE_TARGETS += $(built_javalib_jar)
+endif
+endif
+
 # base_rules.mk looks at this
 all_res_assets :=
 
 proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
 ifneq ($(proto_sources),)
 ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
-    LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-2.3.0-micro
+    LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-micro
 else
   ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
-    LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-2.3.0-nano
+    LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-nano
   else
-    LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-2.3.0-lite
+    ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),full)
+      LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-full
+    else
+      LOCAL_JAVA_LIBRARIES += host-libprotobuf-java-lite
+    endif
   endif
 endif
 endif
 
-intermediates := $(call local-intermediates-dir)
-intermediates.COMMON := $(call local-intermediates-dir,COMMON)
-
 LOCAL_INTERMEDIATE_SOURCE_DIR := $(intermediates.COMMON)/src
 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
 
diff --git a/core/host_native_test.mk b/core/host_native_test.mk
index b54bd3a15..7cba1ae9b 100644
--- a/core/host_native_test.mk
+++ b/core/host_native_test.mk
@@ -5,4 +5,22 @@
 
 include $(BUILD_SYSTEM)/host_test_internal.mk
 
+needs_symlink :=
+ifndef LOCAL_MULTILIB
+  ifndef LOCAL_32_BIT_ONLY
+    LOCAL_MULTILIB := both
+
+    ifeq (,$(LOCAL_MODULE_STEM_32)$(LOCAL_MODULE_STEM_64))
+      LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
+      LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
+      needs_symlink := true
+    endif
+  endif
+endif
+
 include $(BUILD_HOST_EXECUTABLE)
+
+ifdef needs_symlink
+include $(BUILD_SYSTEM)/executable_prefer_symlink.mk
+needs_symlink :=
+endif
diff --git a/core/host_shared_library.mk b/core/host_shared_library.mk
index 438a9ce3d..2e0c9f1ce 100644
--- a/core/host_shared_library.mk
+++ b/core/host_shared_library.mk
@@ -1,4 +1,6 @@
+LOCAL_IS_HOST_MODULE := true
 my_prefix := HOST_
+LOCAL_HOST_PREFIX :=
 include $(BUILD_SYSTEM)/multilib.mk
 
 ifndef LOCAL_MODULE_HOST_ARCH
@@ -6,8 +8,8 @@ ifndef my_module_multilib
 ifeq ($(HOST_PREFER_32_BIT),true)
 my_module_multilib := 32
 else
-# By default we only build host module for the first arch.
-my_module_multilib := first
+# libraries default to building for both architecturess
+my_module_multilib := both
 endif
 endif
 endif
@@ -34,6 +36,45 @@ endif
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 endif  # HOST_2ND_ARCH
 
+ifdef HOST_CROSS_OS
+my_prefix := HOST_CROSS_
+LOCAL_HOST_PREFIX := $(my_prefix)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# Build for Windows
+OVERRIDE_BUILT_MODULE_PATH :=
+LOCAL_BUILT_MODULE :=
+LOCAL_MODULE_SUFFIX :=
+# We don't want makefiles using the cross-compiled host tool
+saved_LOCAL_INSTALLED_MODULE := $(LOCAL_INSTALLED_MODULE)
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+include $(BUILD_SYSTEM)/host_shared_library_internal.mk
+LOCAL_INSTALLED_MODULE := $(saved_LOCAL_INSTALLED_MODULE)
+endif
+
+ifdef HOST_CROSS_2ND_ARCH
+LOCAL_2ND_ARCH_VAR_PREFIX := $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# Build for HOST_CROSS_2ND_ARCH
+OVERRIDE_BUILT_MODULE_PATH :=
+LOCAL_BUILT_MODULE :=
+LOCAL_MODULE_SUFFIX :=
+# We don't want makefiles using the cross-compiled host tool
+saved_LOCAL_INSTALLED_MODULE := $(LOCAL_INSTALLED_MODULE)
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+include $(BUILD_SYSTEM)/host_shared_library_internal.mk
+LOCAL_INSTALLED_MODULE := $(saved_LOCAL_INSTALLED_MODULE)
+endif
+LOCAL_2ND_ARCH_VAR_PREFIX :=
+endif
+LOCAL_HOST_PREFIX :=
+endif
+
 my_module_arch_supported :=
 
 ###########################################################
diff --git a/core/host_shared_library_internal.mk b/core/host_shared_library_internal.mk
index d9769d384..272e76f43 100644
--- a/core/host_shared_library_internal.mk
+++ b/core/host_shared_library_internal.mk
@@ -7,13 +7,11 @@
 ## LOCAL_MODULE_SUFFIX will be set for you.
 ###########################################################
 
-LOCAL_IS_HOST_MODULE := true
-
 ifeq ($(strip $(LOCAL_MODULE_CLASS)),)
 LOCAL_MODULE_CLASS := SHARED_LIBRARIES
 endif
 ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
-LOCAL_MODULE_SUFFIX := $(HOST_SHLIB_SUFFIX)
+LOCAL_MODULE_SUFFIX := $($(my_prefix)SHLIB_SUFFIX)
 endif
 ifneq ($(strip $(OVERRIDE_BUILT_MODULE_PATH)),)
 $(error $(LOCAL_PATH): Illegal use of OVERRIDE_BUILT_MODULE_PATH)
@@ -36,11 +34,18 @@ ifndef skip_build_from_source
 
 # Put the built modules of all shared libraries in a common directory
 # to simplify the link line.
-OVERRIDE_BUILT_MODULE_PATH := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES)
+OVERRIDE_BUILT_MODULE_PATH := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)
 
 include $(BUILD_SYSTEM)/binary.mk
 
-$(LOCAL_BUILT_MODULE): $(all_objects) $(all_libraries) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+my_host_libprofile_rt := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)LIBPROFILE_RT)
+$(LOCAL_BUILD_MODULE): PRIVATE_HOST_LIBPROFILE_RT := $(my_host_libprofile_rt)
+
+$(LOCAL_BUILT_MODULE): \
+        $(all_objects) \
+        $(all_libraries) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-o-to-shared-lib)
 
 endif  # skip_build_from_source
diff --git a/core/host_static_library.mk b/core/host_static_library.mk
index 74ac2ea66..068c70217 100644
--- a/core/host_static_library.mk
+++ b/core/host_static_library.mk
@@ -1,4 +1,6 @@
+LOCAL_IS_HOST_MODULE := true
 my_prefix := HOST_
+LOCAL_HOST_PREFIX :=
 include $(BUILD_SYSTEM)/multilib.mk
 
 ifndef LOCAL_MODULE_HOST_ARCH
@@ -6,8 +8,8 @@ ifndef my_module_multilib
 ifeq ($(HOST_PREFER_32_BIT),true)
 my_module_multilib := 32
 else
-# By default we only build host module for the first arch.
-my_module_multilib := first
+# libraries default to building for both architecturess
+my_module_multilib := both
 endif
 endif
 endif
@@ -34,6 +36,37 @@ endif
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 endif  # HOST_2ND_ARCH
 
+ifdef HOST_CROSS_OS
+my_prefix := HOST_CROSS_
+LOCAL_HOST_PREFIX := $(my_prefix)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# Build for Windows
+OVERRIDE_BUILT_MODULE_PATH :=
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+include $(BUILD_SYSTEM)/host_static_library_internal.mk
+endif
+
+ifdef HOST_CROSS_2ND_ARCH
+LOCAL_2ND_ARCH_VAR_PREFIX := $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# Build for HOST_CROSS_2ND_ARCH
+OVERRIDE_BUILT_MODULE_PATH :=
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+
+include $(BUILD_SYSTEM)/host_static_library_internal.mk
+endif
+LOCAL_2ND_ARCH_VAR_PREFIX :=
+endif
+LOCAL_HOST_PREFIX :=
+endif
+
 my_module_arch_supported :=
 
 ###########################################################
diff --git a/core/host_static_library_internal.mk b/core/host_static_library_internal.mk
index a533cf5dd..3946aa7bc 100644
--- a/core/host_static_library_internal.mk
+++ b/core/host_static_library_internal.mk
@@ -18,8 +18,6 @@ $(error $(LOCAL_PATH): Cannot set module stem for a library)
 endif
 LOCAL_UNINSTALLABLE_MODULE := true
 
-LOCAL_IS_HOST_MODULE := true
-
 include $(BUILD_SYSTEM)/binary.mk
 
 $(LOCAL_BUILT_MODULE): $(built_whole_libraries)
diff --git a/core/host_test_internal.mk b/core/host_test_internal.mk
index 691468d39..7f6aff0ce 100644
--- a/core/host_test_internal.mk
+++ b/core/host_test_internal.mk
@@ -2,20 +2,13 @@
 ## Shared definitions for all host test compilations.
 #####################################################
 
-ifeq ($(HOST_OS),windows)
-LOCAL_CFLAGS += -DGTEST_OS_WINDOWS
-else
-LOCAL_CFLAGS += -DGTEST_OS_LINUX
-LOCAL_LDLIBS += -lpthread
-endif
+LOCAL_CFLAGS_windows += -DGTEST_OS_WINDOWS
+LOCAL_CFLAGS_linux += -DGTEST_OS_LINUX
+LOCAL_LDLIBS_linux += -lpthread
+LOCAL_CFLAGS_darwin += -DGTEST_OS_LINUX
+LOCAL_LDLIBS_darwin += -lpthread
 
 LOCAL_CFLAGS += -DGTEST_HAS_STD_STRING -O0 -g
 LOCAL_C_INCLUDES +=  external/gtest/include
 
-ifneq ($(filter libc++,$(LOCAL_SHARED_LIBRARIES)),)
-LOCAL_STATIC_LIBRARIES += libgtest_libc++_host libgtest_main_libc++_host
-else
-LOCAL_STATIC_LIBRARIES += libgtest_host libgtest_main_host
-LOCAL_SHARED_LIBRARIES +=
-endif
-
+LOCAL_STATIC_LIBRARIES += libgtest_main_host libgtest_host
diff --git a/core/install_jni_libs.mk b/core/install_jni_libs.mk
index da3032d21..625a8a222 100644
--- a/core/install_jni_libs.mk
+++ b/core/install_jni_libs.mk
@@ -8,7 +8,7 @@
 #
 # Output variables:
 #   jni_shared_libraries, jni_shared_libraries_abi, jni_shared_libraries_with_abis if we are going to embed the libraries into the apk;
-#   extracted_jni_libs, if we extract jni libs from prebuilt apk.
+#   embedded_prebuilt_jni_libs, prebuilt jni libs embedded in prebuilt apk.
 #
 
 my_embed_jni :=
@@ -27,7 +27,7 @@ jni_shared_libraries :=
 jni_shared_libraries_abis :=
 # jni_shared_libraries_with_abis is a list of <abi>:<path-to-the-built-jni-lib>
 jni_shared_libraries_with_abis :=
-extracted_jni_libs :=
+embedded_prebuilt_jni_libs :=
 
 #######################################
 # For TARGET_ARCH
@@ -51,7 +51,7 @@ jni_shared_libraries += $(my_jni_shared_libraries)
 jni_shared_libraries_abis += $(my_jni_shared_libraries_abi)
 jni_shared_libraries_with_abis += $(addprefix $(my_jni_shared_libraries_abi):,\
     $(my_jni_shared_libraries))
-extracted_jni_libs += $(my_extracted_jni_libs)
+embedded_prebuilt_jni_libs += $(my_embedded_prebuilt_jni_libs)
 
 # Include RS dynamically-generated libraries as well
 # TODO: Add multilib support once RS supports generating multilib libraries.
@@ -83,11 +83,11 @@ jni_shared_libraries += $(my_jni_shared_libraries)
 jni_shared_libraries_abis += $(my_jni_shared_libraries_abi)
 jni_shared_libraries_with_abis += $(addprefix $(my_jni_shared_libraries_abi):,\
     $(my_jni_shared_libraries))
-extracted_jni_libs += $(my_extracted_jni_libs)
+embedded_prebuilt_jni_libs += $(my_embedded_prebuilt_jni_libs)
 endif  # my_add_jni
 endif  # TARGET_2ND_ARCH
 
 jni_shared_libraries := $(strip $(jni_shared_libraries))
 jni_shared_libraries_abis := $(sort $(jni_shared_libraries_abis))
 jni_shared_libraries_with_abis := $(strip $(jni_shared_libraries_with_abis))
-extracted_jni_libs := $(strip $(extracted_jni_libs))
+embedded_prebuilt_jni_libs := $(strip $(embedded_prebuilt_jni_libs))
diff --git a/core/install_jni_libs_internal.mk b/core/install_jni_libs_internal.mk
index c28bb15d3..27b9697e0 100644
--- a/core/install_jni_libs_internal.mk
+++ b/core/install_jni_libs_internal.mk
@@ -9,7 +9,7 @@
 #
 # Output variables:
 #   my_jni_shared_libraries, my_jni_shared_libraries_abi, if we are going to embed the libraries into the apk;
-#   my_extracted_jni_libs, if we extract jni libs from prebuilt apk.
+#   my_embedded_prebuilt_jni_libs, prebuilt jni libs embedded in prebuilt apk.
 #
 
 my_jni_shared_libraries := \
@@ -19,7 +19,7 @@ my_jni_shared_libraries := \
 
 # App-specific lib path.
 my_app_lib_path := $(dir $(LOCAL_INSTALLED_MODULE))lib/$(TARGET_$(my_2nd_arch_prefix)ARCH)
-my_extracted_jni_libs :=
+my_embedded_prebuilt_jni_libs :=
 
 ifdef my_embed_jni
 # App explicitly requires the prebuilt NDK stl shared libraies.
@@ -55,7 +55,8 @@ ifneq ($(my_jni_shared_libraries),)
 my_jni_filenames := $(notdir $(my_jni_shared_libraries))
 # Make sure the JNI libraries get installed
 my_shared_library_path := $($(my_2nd_arch_prefix)TARGET_OUT$(partition_tag)_SHARED_LIBRARIES)
-$(LOCAL_INSTALLED_MODULE) : | $(addprefix $(my_shared_library_path)/, $(my_jni_filenames))
+# Do not use order-only dependency, because we want to rebuild the image if an jni is updated.
+$(LOCAL_INSTALLED_MODULE) : $(addprefix $(my_shared_library_path)/, $(my_jni_filenames))
 
 # Create symlink in the app specific lib path
 ifdef LOCAL_POST_INSTALL_CMD
@@ -76,25 +77,10 @@ endif  # $(my_jni_shared_libraries) not empty
 endif  # my_embed_jni
 
 ifdef my_prebuilt_jni_libs
-# Install prebuilt JNI libs to the app specific lib path.
-# Files like @path/to/libfoo.so (path inside the apk) are JNI libs extracted from the prebuilt apk;
+# Files like @lib/<abi>/libfoo.so (path inside the apk) are JNI libs embedded prebuilt apk;
 # Files like path/to/libfoo.so (path relative to LOCAL_PATH) are prebuilts in the source tree.
-my_extracted_jni_libs := $(patsubst @%,%, \
+my_embedded_prebuilt_jni_libs := $(patsubst @%,%, \
     $(filter @%, $(my_prebuilt_jni_libs)))
-ifdef my_extracted_jni_libs
-ifndef my_prebuilt_src_file
-$(error No prebuilt apk to extract prebuilt jni libraries $(my_extracted_jni_libs))
-endif
-# We use the first jni lib file as dependency.
-my_installed_prebuilt_jni := $(my_app_lib_path)/$(notdir $(firstword $(my_extracted_jni_libs)))
-$(my_installed_prebuilt_jni): PRIVATE_JNI_LIBS := $(my_extracted_jni_libs)
-$(my_installed_prebuilt_jni): $(my_prebuilt_src_file)
-	@echo "Extract JNI libs ($@ <- $<)"
-	@mkdir -p $(dir $@)
-	$(hide) unzip -j -o -d $(dir $@) $< $(PRIVATE_JNI_LIBS) && touch $@
-
-$(LOCAL_INSTALLED_MODULE) : | $(my_installed_prebuilt_jni)
-endif
 
 # prebuilt JNI exsiting as separate source files.
 my_prebuilt_jni_libs := $(addprefix $(LOCAL_PATH)/, \
@@ -108,7 +94,7 @@ else # not my_embed_jni
 $(foreach lib, $(my_prebuilt_jni_libs), \
     $(eval $(call copy-one-file, $(lib), $(my_app_lib_path)/$(notdir $(lib)))))
 
-$(LOCAL_INSTALLED_MODULE) : | $(addprefix $(my_app_lib_path)/, $(notdir $(my_prebuilt_jni_libs)))
+$(LOCAL_INSTALLED_MODULE) : $(addprefix $(my_app_lib_path)/, $(notdir $(my_prebuilt_jni_libs)))
 endif  # my_embed_jni
 endif  # inner my_prebuilt_jni_libs
 endif  # outer my_prebuilt_jni_libs
diff --git a/core/jack-default.args b/core/jack-default.args
new file mode 100644
index 000000000..8d70a820d
--- /dev/null
+++ b/core/jack-default.args
@@ -0,0 +1,5 @@
+-D sched.runner=multi-threaded
+-D sched.runner.thread.kind=fixed
+-D sched.runner.thread.fixed.count=4
+--sanity-checks off
+-D jack.reporter.level.file=error=--,warning=-
\ No newline at end of file
diff --git a/core/java.mk b/core/java.mk
index a96925467..099ccdd6e 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -1,3 +1,4 @@
+# Target Java.
 # Requires:
 # LOCAL_MODULE_SUFFIX
 # LOCAL_MODULE_CLASS
@@ -7,7 +8,9 @@ ifeq ($(TARGET_BUILD_PDK),true)
 ifeq ($(TARGET_BUILD_PDK_JAVA_PLATFORM),)
 # LOCAL_SDK not defined or set to current
 ifeq ($(filter-out current,$(LOCAL_SDK_VERSION)),)
+ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
 LOCAL_SDK_VERSION := $(PDK_BUILD_SDK_VERSION)
+endif #!LOCAL_NO_STANDARD_LIBRARIES
 endif
 endif # !PDK_JAVA
 endif #PDK
@@ -28,34 +31,53 @@ ifneq ($(LOCAL_SDK_VERSION),)
         LOCAL_JAVA_LIBRARIES := android_stubs_current $(LOCAL_JAVA_LIBRARIES)
       else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
         LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
+      else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+        LOCAL_JAVA_LIBRARIES := android_test_stubs_current $(LOCAL_JAVA_LIBRARIES)
       else
         LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
       endif
+
+      ifeq ($(LOCAL_SDK_VERSION),current)
+        my_jack_min_sdk_version := $(PLATFORM_JACK_MIN_SDK_VERSION)
+      else ifeq ($(LOCAL_SDK_VERSION),system_current)
+        my_jack_min_sdk_version := $(PLATFORM_JACK_MIN_SDK_VERSION)
+      else ifeq ($(LOCAL_SDK_VERSION),test_current)
+        my_jack_min_sdk_version := $(PLATFORM_JACK_MIN_SDK_VERSION)
+      else
+        my_jack_min_sdk_version := $(LOCAL_SDK_VERSION)
+      endif
     endif
   endif
 else
+  my_jack_min_sdk_version := $(PLATFORM_JACK_MIN_SDK_VERSION)
   ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
     LOCAL_JAVA_LIBRARIES := $(TARGET_DEFAULT_JAVA_LIBRARIES) $(LOCAL_JAVA_LIBRARIES)
   endif
 endif
 
+ifneq (,$(strip $(LOCAL_MIN_SDK_VERSION)))
+  my_jack_min_sdk_version := $(LOCAL_MIN_SDK_VERSION)
+endif
+
 proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
 ifneq ($(proto_sources),)
 ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
-    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-2.3.0-micro
+    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-micro
 else
   ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
-    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-2.3.0-nano
+    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-nano
   else
-    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-2.3.0-lite
+    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-lite
   endif
 endif
 endif
 
-# LOCAL_STATIC_JAVA_AAR_LIBRARIES are special LOCAL_STATIC_JAVA_LIBRARIES
-LOCAL_STATIC_JAVA_LIBRARIES := $(strip $(LOCAL_STATIC_JAVA_LIBRARIES) $(LOCAL_STATIC_JAVA_AAR_LIBRARIES))
-
-LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
+# LOCAL_STATIC_JAVA_AAR_LIBRARIES and LOCAL_STATIC_ANDROID_LIBRARIES are also LOCAL_STATIC_JAVA_LIBRARIES.
+LOCAL_STATIC_JAVA_LIBRARIES := $(strip $(LOCAL_STATIC_JAVA_LIBRARIES) \
+    $(LOCAL_STATIC_JAVA_AAR_LIBRARIES) \
+    $(LOCAL_STATIC_ANDROID_LIBRARIES))
+# LOCAL_SHARED_ANDROID_LIBRARIES are also LOCAL_JAVA_LIBRARIES.
+LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES) $(LOCAL_SHARED_ANDROID_LIBRARIES))
 
 LOCAL_BUILT_MODULE_STEM := $(strip $(LOCAL_BUILT_MODULE_STEM))
 ifeq ($(LOCAL_BUILT_MODULE_STEM),)
@@ -112,6 +134,11 @@ else
 full_classes_jar := $(intermediates.COMMON)/classes.jar
 built_dex := $(intermediates.COMMON)/classes.dex
 endif
+# final Jack library, shrinked and obfuscated if it must be
+full_classes_jack := $(intermediates.COMMON)/classes.jack
+# intermediate Jack library without shrink and obfuscation
+noshrob_classes_jack := $(intermediates.COMMON)/classes.noshrob.jack
+jack_check_timestamp := $(intermediates.COMMON)/jack.check.timestamp
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
@@ -120,6 +147,9 @@ LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_jar) \
     $(full_classes_proguard_jar) \
     $(built_dex_intermediate) \
+    $(full_classes_jack) \
+    $(noshrob_classes_jack) \
+    $(jack_check_timestamp) \
     $(built_dex) \
     $(full_classes_stubs_jar)
 
@@ -134,25 +164,36 @@ renderscript_sources := $(filter %.rs %.fs,$(LOCAL_SRC_FILES))
 # Because names of the java files from RenderScript are unknown until the
 # .rs file(s) are compiled, we have to depend on a timestamp file.
 RenderScript_file_stamp :=
+rs_generated_res_dir :=
 rs_compatibility_jni_libs :=
 ifneq ($(renderscript_sources),)
 renderscript_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(renderscript_sources))
 RenderScript_file_stamp := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/RenderScript.stamp
 renderscript_intermediate.COMMON := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/renderscript
 
+# Defaulting to an empty string uses the latest available platform SDK.
 renderscript_target_api :=
 
 ifneq (,$(LOCAL_RENDERSCRIPT_TARGET_API))
-renderscript_target_api := $(LOCAL_RENDERSCRIPT_TARGET_API)
+  renderscript_target_api := $(LOCAL_RENDERSCRIPT_TARGET_API)
 else
-ifneq (,$(LOCAL_SDK_VERSION))
-# Set target-api for LOCAL_SDK_VERSIONs other than current.
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
-renderscript_target_api := $(LOCAL_SDK_VERSION)
-endif
-endif  # LOCAL_SDK_VERSION is set
+  ifneq (,$(LOCAL_SDK_VERSION))
+    # Set target-api for LOCAL_SDK_VERSIONs other than current.
+    ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
+      renderscript_target_api := $(LOCAL_SDK_VERSION)
+    endif
+  endif  # LOCAL_SDK_VERSION is set
 endif  # LOCAL_RENDERSCRIPT_TARGET_API is set
 
+# For 64-bit, we always have to upgrade to at least 21 for compat build.
+ifneq ($(LOCAL_RENDERSCRIPT_COMPATIBILITY),)
+  ifeq ($(TARGET_IS_64_BIT),true)
+    ifneq ($(filter $(RSCOMPAT_32BIT_ONLY_API_LEVELS),$(renderscript_target_api)),)
+      renderscript_target_api := 21
+    endif
+  endif
+endif
+
 ifeq ($(LOCAL_RENDERSCRIPT_CC),)
 LOCAL_RENDERSCRIPT_CC := $(LLVM_RS_CC)
 endif
@@ -163,7 +204,7 @@ renderscript_flags := -Wall -Werror
 renderscript_flags += $(LOCAL_RENDERSCRIPT_FLAGS)
 
 # prepend the RenderScript system include path
-ifneq ($(filter-out current system_current,$(LOCAL_SDK_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_VERSION))),)
+ifneq ($(filter-out current system_current test_current,$(LOCAL_SDK_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current test_current,$(LOCAL_SDK_VERSION))),)
 # if a numeric LOCAL_SDK_VERSION, or current LOCAL_SDK_VERSION with TARGET_BUILD_APPS
 LOCAL_RENDERSCRIPT_INCLUDES := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/renderscript/clang-include \
@@ -180,6 +221,9 @@ ifneq ($(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE),)
 LOCAL_RENDERSCRIPT_INCLUDES := $(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE)
 endif
 
+bc_files := $(patsubst %.fs,%.bc, $(patsubst %.rs,%.bc, $(notdir $(renderscript_sources))))
+bc_dep_files := $(addprefix $(renderscript_intermediate.COMMON)/,$(patsubst %.bc,%.d,$(bc_files)))
+
 $(RenderScript_file_stamp): PRIVATE_RS_INCLUDES := $(LOCAL_RENDERSCRIPT_INCLUDES)
 $(RenderScript_file_stamp): PRIVATE_RS_CC := $(LOCAL_RENDERSCRIPT_CC)
 $(RenderScript_file_stamp): PRIVATE_RS_FLAGS := $(renderscript_flags)
@@ -188,18 +232,38 @@ $(RenderScript_file_stamp): PRIVATE_RS_SOURCE_FILES := $(renderscript_sources_fu
 # automatically found by the java compiling function transform-java-to-classes.jar.
 $(RenderScript_file_stamp): PRIVATE_RS_OUTPUT_DIR := $(renderscript_intermediate.COMMON)
 $(RenderScript_file_stamp): PRIVATE_RS_TARGET_API := $(renderscript_target_api)
+$(RenderScript_file_stamp): PRIVATE_DEP_FILES := $(bc_dep_files)
 $(RenderScript_file_stamp): $(renderscript_sources_fullpath) $(LOCAL_RENDERSCRIPT_CC)
 	$(transform-renderscripts-to-java-and-bc)
 
+# include the dependency files (.d/.P) generated by llvm-rs-cc.
+$(call include-depfile,$(RenderScript_file_stamp).P,$(RenderScript_file_stamp))
+
 ifneq ($(LOCAL_RENDERSCRIPT_COMPATIBILITY),)
-bc_files := $(patsubst %.fs,%.bc, $(patsubst %.rs,%.bc, $(notdir $(renderscript_sources))))
+
+
+ifeq ($(filter $(RSCOMPAT_32BIT_ONLY_API_LEVELS),$(renderscript_target_api)),)
+ifeq ($(TARGET_IS_64_BIT),true)
+renderscript_intermediate.bc_folder := $(renderscript_intermediate.COMMON)/res/raw/bc64/
+else
+renderscript_intermediate.bc_folder := $(renderscript_intermediate.COMMON)/res/raw/bc32/
+endif
+else
+renderscript_intermediate.bc_folder := $(renderscript_intermediate.COMMON)/res/raw/
+endif
+
 rs_generated_bc := $(addprefix \
-    $(renderscript_intermediate.COMMON)/res/raw/, $(bc_files))
+    $(renderscript_intermediate.bc_folder), $(bc_files))
 
 renderscript_intermediate := $(intermediates)/renderscript
 
 # We don't need the .so files in bundled branches
 # Prevent these from showing up on the device
+# One exception is librsjni.so, which is needed for
+# both native path and compat path.
+rs_jni_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/librsjni.so
+LOCAL_JNI_SHARED_LIBRARIES += librsjni
+
 ifneq (,$(TARGET_BUILD_APPS)$(FORCE_BUILD_RS_COMPAT))
 
 rs_compatibility_jni_libs := $(addprefix \
@@ -209,53 +273,113 @@ rs_compatibility_jni_libs := $(addprefix \
 $(rs_generated_bc) : $(RenderScript_file_stamp)
 
 rs_support_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/libRSSupport.so
-rs_jni_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/librsjni.so
-LOCAL_JNI_SHARED_LIBRARIES += libRSSupport librsjni
+LOCAL_JNI_SHARED_LIBRARIES += libRSSupport
 
+rs_support_io_lib :=
+# check if the target api level support USAGE_IO
+ifeq ($(filter $(RSCOMPAT_NO_USAGEIO_API_LEVELS),$(renderscript_target_api)),)
+rs_support_io_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/libRSSupportIO.so
+LOCAL_JNI_SHARED_LIBRARIES += libRSSupportIO
+endif
 
 
 $(rs_compatibility_jni_libs): $(RenderScript_file_stamp) $(RS_PREBUILT_CLCORE) \
-    $(rs_support_lib) $(rs_jni_lib) $(rs_compiler_rt)
+    $(rs_support_lib) $(rs_support_io_lib) $(rs_jni_lib) $(rs_compiler_rt)
 $(rs_compatibility_jni_libs): $(BCC_COMPAT)
-$(rs_compatibility_jni_libs): PRIVATE_CXX := $(TARGET_CXX)
+$(rs_compatibility_jni_libs): PRIVATE_CXX := $(CXX_WRAPPER) $(TARGET_CXX)
 $(rs_compatibility_jni_libs): $(renderscript_intermediate)/librs.%.so: \
-    $(renderscript_intermediate.COMMON)/res/raw/%.bc
+    $(renderscript_intermediate.bc_folder)%.bc
 	$(transform-bc-to-so)
 
 endif
 
 endif
 
-# include the dependency files (.d) generated by llvm-rs-cc.
-renderscript_generated_dep_files := $(addprefix $(renderscript_intermediate.COMMON)/, \
-    $(patsubst %.fs,%.d, $(patsubst %.rs,%.d, $(notdir $(renderscript_sources)))))
--include $(renderscript_generated_dep_files)
-
 LOCAL_INTERMEDIATE_TARGETS += $(RenderScript_file_stamp)
 # Make sure the generated resource will be added to the apk.
-LOCAL_RESOURCE_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/renderscript/res $(LOCAL_RESOURCE_DIR)
+rs_generated_res_dir := $(renderscript_intermediate.COMMON)/res
+LOCAL_RESOURCE_DIR := $(rs_generated_res_dir) $(LOCAL_RESOURCE_DIR)
+endif
+
+
+###########################################################
+## AIDL: Compile .aidl files to .java
+###########################################################
+aidl_sources := $(filter %.aidl,$(LOCAL_SRC_FILES))
+
+ifneq ($(strip $(aidl_sources)),)
+aidl_java_sources := $(patsubst %.aidl,%.java,$(addprefix $(intermediates.COMMON)/src/, $(aidl_sources)))
+aidl_sources := $(addprefix $(LOCAL_PATH)/, $(aidl_sources))
+
+aidl_preprocess_import :=
+ifdef LOCAL_SDK_VERSION
+ifneq ($(filter current system_current test_current, $(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS)),)
+  # LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS
+  aidl_preprocess_import := $(TARGET_OUT_COMMON_INTERMEDIATES)/framework.aidl
+else
+  aidl_preprocess_import := $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_VERSION)/framework.aidl
+endif # not current or system_current
+else
+# build against the platform.
+LOCAL_AIDL_INCLUDES += $(FRAMEWORKS_BASE_JAVA_SRC_DIRS)
+endif # LOCAL_SDK_VERSION
+$(aidl_java_sources): PRIVATE_AIDL_FLAGS := -b $(addprefix -p,$(aidl_preprocess_import)) -I$(LOCAL_PATH) -I$(LOCAL_PATH)/src $(addprefix -I,$(LOCAL_AIDL_INCLUDES)) $(LOCAL_AIDL_FLAGS)
+
+$(aidl_java_sources): $(intermediates.COMMON)/src/%.java: \
+        $(LOCAL_PATH)/%.aidl \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) \
+        $(AIDL) \
+        $(aidl_preprocess_import)
+	$(transform-aidl-to-java)
+$(foreach java,$(aidl_java_sources), \
+    $(call include-depfile,$(java:%.java=%.P),$(java)))
+
+else
+aidl_java_sources :=
 endif
 
+##########################################
+
 # All of the rules after full_classes_compiled_jar are very unlikely
 # to fail except for bugs in their respective tools.  If you would
 # like to run these rules, add the "all" modifier goal to the make
 # command line.
+ifndef LOCAL_CHECKED_MODULE
 ifdef full_classes_jar
-java_alternative_checked_module := $(full_classes_compiled_jar)
+ifdef LOCAL_JACK_ENABLED
+LOCAL_CHECKED_MODULE := $(jack_check_timestamp)
 else
-java_alternative_checked_module :=
+LOCAL_CHECKED_MODULE := $(full_classes_compiled_jar)
+endif
+endif
 endif
-
-# TODO: It looks like the only thing we need from base_rules is
-# all_java_sources.  See if we can get that by adding a
-# common_java.mk, and moving the include of base_rules.mk to
-# after all the declarations.
 
 #######################################
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################
 
-java_alternative_checked_module :=
+###########################################################
+## logtags: emit java source
+###########################################################
+ifneq ($(strip $(logtags_sources)),)
+
+logtags_java_sources := $(patsubst %.logtags,%.java,$(addprefix $(intermediates.COMMON)/src/, $(logtags_sources)))
+logtags_sources := $(addprefix $(LOCAL_PATH)/, $(logtags_sources))
+
+$(logtags_java_sources): $(intermediates.COMMON)/src/%.java: $(LOCAL_PATH)/%.logtags $(TARGET_OUT_COMMON_INTERMEDIATES)/all-event-log-tags.txt
+	$(transform-logtags-to-java)
+
+else
+logtags_java_sources :=
+endif
+
+##########################################
+java_sources := $(addprefix $(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) $(aidl_java_sources) $(logtags_java_sources) \
+                $(filter %.java,$(LOCAL_GENERATED_SOURCES))
+all_java_sources := $(java_sources) $(addprefix $(TARGET_OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
+
+include $(BUILD_SYSTEM)/java_common.mk
 
 #######################################
 # defines built_odex along with rule to install odex
@@ -269,36 +393,8 @@ $(error $(LOCAL_PATH): Target java module does not define any source or resource
 endif
 endif
 
-# Install the RS compatibility libraries to /system/lib/ if necessary
-ifdef rs_compatibility_jni_libs
-installed_rs_compatibility_jni_libs := $(addprefix $(TARGET_OUT_SHARED_LIBRARIES)/,\
-    $(notdir $(rs_compatibility_jni_libs)))
-# Provide a way to skip sources included in multiple projects.
-ifdef LOCAL_RENDERSCRIPT_SKIP_INSTALL
-skip_install_rs_libs := $(patsubst %.rs,%.so, \
-    $(addprefix $(TARGET_OUT_SHARED_LIBRARIES)/librs., \
-    $(notdir $(LOCAL_RENDERSCRIPT_SKIP_INSTALL))))
-installed_rs_compatibility_jni_libs := \
-    $(filter-out $(skip_install_rs_libs),$(installed_rs_compatibility_jni_libs))
-endif
-ifneq (,$(strip $(installed_rs_compatibility_jni_libs)))
-$(installed_rs_compatibility_jni_libs) : $(TARGET_OUT_SHARED_LIBRARIES)/lib%.so : \
-    $(renderscript_intermediate)/lib%.so
-	$(hide) mkdir -p $(dir $@) && cp -f $< $@
-
-# Install them only if the current module is installed.
-$(LOCAL_INSTALLED_MODULE) : $(installed_rs_compatibility_jni_libs)
-endif
-endif
-
-# We use intermediates.COMMON because the classes.jar/.dex files will be
-# common even if LOCAL_BUILT_MODULE isn't.
-#
-# Override some target variables that base_rules set up for us.
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates.COMMON)/classes
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_MIN_SDK_VERSION := $(my_jack_min_sdk_version)
+my_jack_min_sdk_version :=
 
 # Since we're using intermediates.COMMON, make sure that it gets cleaned
 # properly.
@@ -315,7 +411,7 @@ ifdef full_classes_jar
 # - This extra copy, with the dependency on LOCAL_BUILT_MODULE allows the
 #   PRIVATE_ vars to be preserved.
 $(full_classes_stubs_jar): PRIVATE_SOURCE_FILE := $(full_classes_jar)
-$(full_classes_stubs_jar) : $(LOCAL_BUILT_MODULE) | $(ACP)
+$(full_classes_stubs_jar) : $(full_classes_jar) | $(ACP)
 	@echo Copying $(PRIVATE_SOURCE_FILE)
 	$(hide) $(ACP) -fp $(PRIVATE_SOURCE_FILE) $@
 ALL_MODULES.$(LOCAL_MODULE).STUBS := $(full_classes_stubs_jar)
@@ -334,19 +430,23 @@ endif
 # This intentionally depends on java_sources, not all_java_sources.
 # Deps for generated source files must be handled separately,
 # via deps on the target that generates the sources.
-$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
-$(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS := $(LOCAL_RMTYPEDEFS)
 $(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
-$(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
-        $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) \
-        $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_classes_compiled_jar): \
+        $(java_sources) \
+        $(java_resource_sources) \
+        $(full_java_lib_deps) \
+        $(jar_manifest_file) \
+        $(layers_file) \
+        $(RenderScript_file_stamp) \
+        $(proto_java_sources_file_stamp) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-java-to-classes.jar)
 
-$(full_classes_compiled_jar): PRIVATE_JAVAC_DEBUG_FLAGS := -g
-
 # Run jarjar if necessary, otherwise just copy the file.
 ifneq ($(strip $(LOCAL_JARJAR_RULES)),)
 $(full_classes_jarjar_jar): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
@@ -359,8 +459,10 @@ $(full_classes_jarjar_jar): $(full_classes_compiled_jar) | $(ACP)
 	$(hide) $(ACP) -fp $< $@
 endif
 
+full_classes_jar_source := $(full_classes_jarjar_jar)
+ifndef LOCAL_JACK_ENABLED
 ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
-$(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.em
+$(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.emma.ignore
 $(full_classes_emma_jar): PRIVATE_EMMA_INTERMEDIATES_DIR := $(emma_intermediates_dir)
 # module level coverage filter can be defined using LOCAL_EMMA_COVERAGE_FILTER
 # in Android.mk
@@ -375,18 +477,17 @@ endif
 # $(full_classes_emma_jar)
 $(full_classes_emma_jar): $(full_classes_jarjar_jar) | $(EMMA_JAR)
 	$(transform-classes.jar-to-emma)
-
-else
-$(full_classes_emma_jar): $(full_classes_jarjar_jar) | $(ACP)
-	@echo Copying: $@
-	$(copy-file-to-target)
+full_classes_jar_source := $(full_classes_emma_jar)
+endif
 endif
 
 # Keep a copy of the jar just before proguard processing.
-$(full_classes_jar): $(full_classes_emma_jar) | $(ACP)
+$(full_classes_jar): $(full_classes_jar_source) | $(ACP)
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@
 
+$(call define-jar-to-toc-rule, $(full_classes_jar))
+
 # Run proguard if necessary, otherwise just copy the file.
 ifdef LOCAL_PROGUARD_ENABLED
 ifneq ($(filter-out full custom nosystem obfuscation optimization shrinktests,$(LOCAL_PROGUARD_ENABLED)),)
@@ -394,50 +495,85 @@ ifneq ($(filter-out full custom nosystem obfuscation optimization shrinktests,$(
     $(error invalid value for LOCAL_PROGUARD_ENABLED: $(LOCAL_PROGUARD_ENABLED))
 endif
 proguard_dictionary := $(intermediates.COMMON)/proguard_dictionary
-proguard_flags := $(addprefix -libraryjars ,$(full_shared_java_libs)) \
-                  -forceprocessing \
-                  -printmapping $(proguard_dictionary)
+jack_dictionary := $(intermediates.COMMON)/jack_dictionary
+
+# Hack: see b/20667396
+# When an app's LOCAL_SDK_VERSION is lower than the support library's LOCAL_SDK_VERSION,
+# we artifically raises the "SDK version" "linked" by ProGuard, to
+# - suppress ProGuard warnings of referencing symbols unknown to the lower SDK version.
+# - prevent ProGuard stripping subclass in the support library that extends class added in the higher SDK version.
+my_support_library_sdk_raise :=
+ifneq (,$(filter android-support-%,$(LOCAL_STATIC_JAVA_LIBRARIES)))
+ifdef LOCAL_SDK_VERSION
+ifdef TARGET_BUILD_APPS
+ifeq (,$(filter current system_current test_current, $(LOCAL_SDK_VERSION)))
+  my_support_library_sdk_raise := $(call java-lib-files, sdk_vcurrent)
+endif
+else
+  # For platform build, we can't just raise to the "current" SDK,
+  # that would break apps that use APIs removed from the current SDK.
+  my_support_library_sdk_raise := $(call java-lib-files,$(TARGET_DEFAULT_JAVA_LIBRARIES))
+endif
+endif
+endif
+
+# jack already has the libraries in its classpath and doesn't support jars
+legacy_proguard_flags := $(addprefix -libraryjars ,$(my_support_library_sdk_raise) $(full_shared_java_libs))
+
+legacy_proguard_flags += -printmapping $(proguard_dictionary)
+jack_proguard_flags := -printmapping $(jack_dictionary)
+
+common_proguard_flags := -forceprocessing
 
 ifeq ($(filter nosystem,$(LOCAL_PROGUARD_ENABLED)),)
-proguard_flags += -include $(BUILD_SYSTEM)/proguard.flags
+common_proguard_flags += -include $(BUILD_SYSTEM)/proguard.flags
 ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
-proguard_flags += -include $(BUILD_SYSTEM)/proguard.emma.flags
+ifdef LOCAL_JACK_ENABLED
+common_proguard_flags += -include $(BUILD_SYSTEM)/proguard.jacoco.flags
+else
+common_proguard_flags += -include $(BUILD_SYSTEM)/proguard.emma.flags
+endif # LOCAL_JACK_ENABLED
 endif
 # If this is a test package, add proguard keep flags for tests.
 ifneq ($(LOCAL_INSTRUMENTATION_FOR)$(filter tests,$(LOCAL_MODULE_TAGS)),)
-proguard_flags += -include $(BUILD_SYSTEM)/proguard_tests.flags
+common_proguard_flags += -include $(BUILD_SYSTEM)/proguard_tests.flags
 ifeq ($(filter shrinktests,$(LOCAL_PROGUARD_ENABLED)),)
-proguard_flags += -dontshrink # don't shrink tests by default
+common_proguard_flags += -dontshrink # don't shrink tests by default
 endif # shrinktests
 endif # test package
 ifeq ($(filter obfuscation,$(LOCAL_PROGUARD_ENABLED)),)
 # By default no obfuscation
-proguard_flags += -dontobfuscate
+common_proguard_flags += -dontobfuscate
 endif  # No obfuscation
 ifeq ($(filter optimization,$(LOCAL_PROGUARD_ENABLED)),)
 # By default no optimization
-proguard_flags += -dontoptimize
+common_proguard_flags += -dontoptimize
 endif  # No optimization
 
 ifdef LOCAL_INSTRUMENTATION_FOR
 ifeq ($(filter obfuscation,$(LOCAL_PROGUARD_ENABLED)),)
 # If no obfuscation, link in the instrmented package's classes.jar as a library.
 # link_instr_classes_jar is defined in base_rule.mk
-proguard_flags += -libraryjars $(link_instr_classes_jar)
+# jack already has this library in its classpath and doesn't support jars
+legacy_proguard_flags += -libraryjars $(link_instr_classes_jar)
 else # obfuscation
 # If obfuscation is enabled, the main app must be obfuscated too.
 # We need to run obfuscation using the main app's dictionary,
 # and treat the main app's class.jar as injars instead of libraryjars.
-proguard_flags := -injars  $(link_instr_classes_jar) \
+legacy_proguard_flags := -injars  $(link_instr_classes_jar) \
     -outjars $(intermediates.COMMON)/proguard.$(LOCAL_INSTRUMENTATION_FOR).jar \
     -include $(link_instr_intermediates_dir.COMMON)/proguard_options \
     -applymapping $(link_instr_intermediates_dir.COMMON)/proguard_dictionary \
     -verbose \
-    $(proguard_flags)
+    $(legacy_proguard_flags)
+ifdef LOCAL_JACK_ENABLED
+jack_proguard_flags += -applymapping $(link_instr_intermediates_dir.COMMON)/jack_dictionary
+full_jack_deps += $(link_instr_intermediates_dir.COMMON)/jack_dictionary
+endif
 
 # Sometimes (test + main app) uses different keep rules from the main app -
 # apply the main app's dictionary anyway.
-proguard_flags += -ignorewarnings
+legacy_proguard_flags += -ignorewarnings
 
 # Make sure we run Proguard on the main app first
 $(full_classes_proguard_jar) : $(link_instr_intermediates_dir.COMMON)/proguard.classes.jar
@@ -455,8 +591,8 @@ else
 extra_input_jar :=
 endif
 $(full_classes_proguard_jar): PRIVATE_EXTRA_INPUT_JAR := $(extra_input_jar)
-$(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(proguard_flags) $(LOCAL_PROGUARD_FLAGS)
-$(full_classes_proguard_jar) : $(full_classes_jar) $(extra_input_jar) $(proguard_flag_files) | $(ACP) $(PROGUARD)
+$(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(legacy_proguard_flags) $(common_proguard_flags) $(LOCAL_PROGUARD_FLAGS)
+$(full_classes_proguard_jar) : $(full_classes_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(proguard_flag_files) | $(ACP) $(PROGUARD)
 	$(call transform-jar-to-proguard)
 
 else  # LOCAL_PROGUARD_ENABLED not defined
@@ -466,7 +602,7 @@ $(full_classes_proguard_jar) : $(full_classes_jar)
 
 endif # LOCAL_PROGUARD_ENABLED defined
 
-
+ifndef LOCAL_JACK_ENABLED
 # Override PRIVATE_INTERMEDIATES_DIR so that install-dex-debug
 # will work even when intermediates != intermediates.COMMON.
 $(built_dex_intermediate): PRIVATE_INTERMEDIATES_DIR := $(intermediates.COMMON)
@@ -480,8 +616,8 @@ $(built_dex_intermediate): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
 ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
 $(built_dex_intermediate): PRIVATE_DX_FLAGS += --no-locals
 endif
-$(built_dex_intermediate): $(full_classes_proguard_jar) $(DX)
-	$(transform-classes.jar-to-dex)
+endif # LOCAL_JACK_ENABLED is disabled
+
 $(built_dex): $(built_dex_intermediate) | $(ACP)
 	@echo Copying: $@
 	$(hide) mkdir -p $(dir $@)
@@ -492,17 +628,14 @@ ifneq ($(GENERATE_DEX_DEBUG),)
 endif
 
 findbugs_xml := $(intermediates.COMMON)/findbugs.xml
-$(findbugs_xml) : PRIVATE_JAR_FILE := $(full_classes_jar)
-$(findbugs_xml) : PRIVATE_AUXCLASSPATH := $(addprefix -auxclasspath ,$(strip \
-								$(call normalize-path-list,$(filter %.jar,\
-										$(full_java_libs)))))
-# We can't depend directly on full_classes_jar because the PRIVATE_
-# vars won't be set up correctly.
-$(findbugs_xml) : $(LOCAL_BUILT_MODULE)
+$(findbugs_xml): PRIVATE_AUXCLASSPATH := $(addprefix -auxclasspath ,$(strip \
+    $(call normalize-path-list,$(filter %.jar,$(full_java_libs)))))
+$(findbugs_xml): PRIVATE_FINDBUGS_FLAGS := $(LOCAL_FINDBUGS_FLAGS)
+$(findbugs_xml) : $(full_classes_jar) $(filter %.xml, $(LOCAL_FINDBUGS_FLAGS))
 	@echo Findbugs: $@
 	$(hide) $(FINDBUGS) -textui -effort:min -xml:withMessages \
-		$(PRIVATE_AUXCLASSPATH) \
-		$(PRIVATE_JAR_FILE) \
+		$(PRIVATE_AUXCLASSPATH) $(PRIVATE_FINDBUGS_FLAGS) \
+		$< \
 		> $@
 
 ALL_FINDBUGS_FILES += $(findbugs_xml)
@@ -519,3 +652,98 @@ $(findbugs_html) : $(findbugs_xml)
 $(LOCAL_MODULE)-findbugs : $(findbugs_html)
 
 endif  # full_classes_jar is defined
+
+ifdef LOCAL_JACK_ENABLED
+$(LOCAL_INTERMEDIATE_TARGETS): \
+	PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
+ifeq ($(LOCAL_JACK_ENABLED),incremental)
+$(LOCAL_INTERMEDIATE_TARGETS): \
+	PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-incremental
+$(noshrob_classes_jack): PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-noshrob-incremental
+$(jack_check_timestamp): PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-check-incremental
+else
+$(LOCAL_INTERMEDIATE_TARGETS): \
+	PRIVATE_JACK_INCREMENTAL_DIR :=
+$(noshrob_classes_jack): PRIVATE_JACK_INCREMENTAL_DIR :=
+$(jack_check_timestamp): PRIVATE_JACK_INCREMENTAL_DIR :=
+endif
+
+ifdef full_classes_jar
+ifdef LOCAL_PROGUARD_ENABLED
+
+ifndef LOCAL_JACK_PROGUARD_FLAGS
+    LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
+endif
+LOCAL_JACK_PROGUARD_FLAGS += $(addprefix -include , $(proguard_flag_files))
+ifdef LOCAL_TEST_MODULE_TO_PROGUARD_WITH
+    $(error $(LOCAL_MODULE): Build with jack when LOCAL_TEST_MODULE_TO_PROGUARD_WITH is defined is not yet implemented)
+endif
+
+# $(jack_dictionary) is just by-product of $(built_dex_intermediate).
+# The dummy command was added because, without it, make misses the fact the $(built_dex) also
+# change $(jack_dictionary).
+$(jack_dictionary): $(full_classes_jack)
+	$(hide) touch $@
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS := $(common_proguard_flags) $(jack_proguard_flags) $(LOCAL_JACK_PROGUARD_FLAGS)
+else  # LOCAL_PROGUARD_ENABLED not defined
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS :=
+endif # LOCAL_PROGUARD_ENABLED defined
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
+
+jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_deps) \
+        $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) $(proguard_flag_files) \
+        $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) $(JACK)
+
+$(jack_check_timestamp): $(jack_all_deps) | setup-jack-server
+	@echo Checking build with Jack: $@
+	$(jack-check-java)
+
+ifeq ($(LOCAL_IS_STATIC_JAVA_LIBRARY),true)
+$(full_classes_jack): $(jack_all_deps) | setup-jack-server
+	@echo Building with Jack: $@
+	$(java-to-jack)
+
+# Update timestamps of .toc files for static java libraries so
+# dependents will be always rebuilt.
+$(built_dex).toc: $(full_classes_jack)
+	touch $@
+
+else #LOCAL_IS_STATIC_JAVA_LIBRARY
+$(built_dex_intermediate): PRIVATE_CLASSES_JACK := $(full_classes_jack)
+
+ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
+$(built_dex_intermediate): PRIVATE_JACK_COVERAGE_OPTIONS := \
+    -D jack.coverage=true \
+    -D jack.coverage.metadata.file=$(intermediates.COMMON)/coverage.em \
+    -D jack.coverage.jacoco.package=$(JACOCO_PACKAGE_NAME) \
+    $(addprefix -D jack.coverage.jacoco.include=,$(LOCAL_JACK_COVERAGE_INCLUDE_FILTER)) \
+    $(addprefix -D jack.coverage.jacoco.exclude=,$(LOCAL_JACK_COVERAGE_EXCLUDE_FILTER))
+else
+$(built_dex_intermediate): PRIVATE_JACK_COVERAGE_OPTIONS :=
+endif
+
+$(built_dex_intermediate): $(jack_all_deps) | setup-jack-server
+	@echo Building with Jack: $@
+	$(jack-java-to-dex)
+
+# $(full_classes_jack) is just by-product of $(built_dex_intermediate).
+# The dummy command was added because, without it, make misses the fact the $(built_dex) also
+# change $(full_classes_jack).
+$(full_classes_jack): $(built_dex_intermediate)
+	$(hide) touch $@
+
+$(call define-dex-to-toc-rule, $(intermediates.COMMON))
+
+endif #LOCAL_IS_STATIC_JAVA_LIBRARY
+
+$(noshrob_classes_jack): PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-noshrob-rsc
+$(noshrob_classes_jack): PRIVATE_JACK_PROGUARD_FLAGS :=
+$(noshrob_classes_jack): $(jack_all_deps) | setup-jack-server
+	@echo Building with Jack: $@
+	$(java-to-jack)
+endif  # full_classes_jar is defined
+endif # LOCAL_JACK_ENABLED
diff --git a/core/java_common.mk b/core/java_common.mk
new file mode 100644
index 000000000..9b7d10fba
--- /dev/null
+++ b/core/java_common.mk
@@ -0,0 +1,401 @@
+# Common to host and target Java modules.
+
+###########################################################
+## Java version
+###########################################################
+# Use the LOCAL_JAVA_LANGUAGE_VERSION if it is set, otherwise
+# use one based on the LOCAL_SDK_VERSION. If it is < 24
+# pass "1.7" to the tools, if it is unset, >= 24 or "current"
+# pass "1.8".
+#
+# The LOCAL_SDK_VERSION behavior is to ensure that, by default,
+# code that is expected to run on older releases of Android
+# does not use any 1.8 language features that are not supported
+# on earlier runtimes (like default / static interface methods).
+# Modules can override this logic by specifying
+# LOCAL_JAVA_LANGUAGE_VERSION explicitly.
+ifeq (,$(LOCAL_JAVA_LANGUAGE_VERSION))
+  private_sdk_versions_without_any_java_18_support := 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
+  ifneq (,$(filter $(LOCAL_SDK_VERSION), $(private_sdk_versions_without_any_java_18_support)))
+    LOCAL_JAVA_LANGUAGE_VERSION := 1.7
+  else
+    LOCAL_JAVA_LANGUAGE_VERSION := 1.8
+  endif
+endif
+LOCAL_JAVACFLAGS += -source $(LOCAL_JAVA_LANGUAGE_VERSION) -target $(LOCAL_JAVA_LANGUAGE_VERSION)
+
+###########################################################
+## .proto files: Compile proto files to .java
+###########################################################
+proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
+# Because names of the .java files compiled from .proto files are unknown until the
+# .proto files are compiled, we use a timestamp file as depedency.
+proto_java_sources_file_stamp :=
+ifneq ($(proto_sources),)
+proto_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources))
+
+# By putting the generated java files into $(LOCAL_INTERMEDIATE_SOURCE_DIR), they will be
+# automatically found by the java compiling function transform-java-to-classes.jar.
+proto_java_intemediate_dir := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/proto
+proto_java_sources_file_stamp := $(proto_java_intemediate_dir)/Proto.stamp
+proto_java_sources_dir := $(proto_java_intemediate_dir)/src
+
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_INCLUDES := $(TOP)
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_SRC_FILES := $(proto_sources_fullpath)
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_DIR := $(proto_java_sources_dir)
+ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_OPTION := --javamicro_out
+else
+  ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_OPTION := --javanano_out
+  else
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_OPTION := --java_out
+  endif
+endif
+$(proto_java_sources_file_stamp): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS)
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_PARAMS := $(LOCAL_PROTO_JAVA_OUTPUT_PARAMS)
+$(proto_java_sources_file_stamp) : $(proto_sources_fullpath) $(PROTOC)
+	$(call transform-proto-to-java)
+
+#TODO: protoc should output the dependencies introduced by imports.
+
+ALL_MODULES.$(my_register_name).PROTO_FILES := $(proto_sources_fullpath)
+endif # proto_sources
+
+#########################################
+## Java resources
+
+# Look for resource files in any specified directories.
+# Non-java and non-doc files will be picked up as resources
+# and included in the output jar file.
+java_resource_file_groups :=
+
+LOCAL_JAVA_RESOURCE_DIRS := $(strip $(LOCAL_JAVA_RESOURCE_DIRS))
+ifneq ($(LOCAL_JAVA_RESOURCE_DIRS),)
+  # This makes a list of words like
+  #     <dir1>::<file1>:<file2> <dir2>::<file1> <dir3>:
+  # where each of the files is relative to the directory it's grouped with.
+  # Directories that don't contain any resource files will result in groups
+  # that end with a colon, and they are stripped out in the next step.
+  java_resource_file_groups += \
+    $(foreach dir,$(LOCAL_JAVA_RESOURCE_DIRS), \
+	$(subst $(space),:,$(strip \
+		$(LOCAL_PATH)/$(dir): \
+	    $(patsubst ./%,%,$(sort $(shell cd $(LOCAL_PATH)/$(dir) && \
+		find . \
+		    -type d -a -name ".svn" -prune -o \
+		    -type f \
+			-a \! -name "*.java" \
+			-a \! -name "package.html" \
+			-a \! -name "overview.html" \
+			-a \! -name ".*.swp" \
+			-a \! -name ".DS_Store" \
+			-a \! -name "*~" \
+			-print \
+		    ))) \
+	)) \
+    )
+  java_resource_file_groups := $(filter-out %:,$(java_resource_file_groups))
+endif # LOCAL_JAVA_RESOURCE_DIRS
+
+LOCAL_JAVA_RESOURCE_FILES := $(strip $(LOCAL_JAVA_RESOURCE_FILES))
+ifneq ($(LOCAL_JAVA_RESOURCE_FILES),)
+  java_resource_file_groups += \
+    $(foreach f,$(LOCAL_JAVA_RESOURCE_FILES), \
+	$(patsubst %/,%,$(dir $(f)))::$(notdir $(f)) \
+     )
+endif # LOCAL_JAVA_RESOURCE_FILES
+
+ifdef java_resource_file_groups
+  # The full paths to all resources, used for dependencies.
+  java_resource_sources := \
+    $(foreach group,$(java_resource_file_groups), \
+	$(addprefix $(word 1,$(subst :,$(space),$(group)))/, \
+	    $(wordlist 2,9999,$(subst :,$(space),$(group))) \
+	) \
+    )
+  # The arguments to jar that will include these files in a jar file.
+  # Quote the file name to handle special characters (such as #) correctly.
+  extra_jar_args := \
+    $(foreach group,$(java_resource_file_groups), \
+	$(addprefix -C "$(word 1,$(subst :,$(space),$(group)))" , \
+	    $(foreach w, $(wordlist 2,9999,$(subst :,$(space),$(group))), "$(w)" ) \
+	) \
+    )
+  java_resource_file_groups :=
+else
+  java_resource_sources :=
+  extra_jar_args :=
+endif # java_resource_file_groups
+
+######################################
+## PRIVATE java vars
+# LOCAL_SOURCE_FILES_ALL_GENERATED is set only if the module does not have static source files,
+# but generated source files in its LOCAL_INTERMEDIATE_SOURCE_DIR.
+# You have to set up the dependency in some other way.
+need_compile_java := $(strip $(all_java_sources)$(all_res_assets)$(java_resource_sources))$(LOCAL_STATIC_JAVA_LIBRARIES)$(filter true,$(LOCAL_SOURCE_FILES_ALL_GENERATED))
+ifdef need_compile_java
+
+full_static_java_libs := \
+    $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
+      $(call intermediates-dir-for, \
+        JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),COMMON)/javalib.jar)
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JAVA_LIBRARIES := $(full_static_java_libs)
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASSET_DIR := $(LOCAL_ASSET_DIR)
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates.COMMON)/classes
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(intermediates.COMMON)/src
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAVA_SOURCES := $(all_java_sources)
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RMTYPEDEFS := $(LOCAL_RMTYPEDEFS)
+
+# full_java_libs: The list of files that should be used as the classpath.
+#                 Using this list as a dependency list WILL NOT WORK.
+# full_java_lib_deps: Should be specified as a prerequisite of this module
+#                 to guarantee that the files in full_java_libs will
+#                 be up-to-date.
+ifndef LOCAL_IS_HOST_MODULE
+ifeq ($(LOCAL_SDK_VERSION),)
+ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+# No bootclasspath. But we still need "" to prevent javac from using default host bootclasspath.
+my_bootclasspath := ""
+else  # LOCAL_NO_STANDARD_LIBRARIES
+my_bootclasspath := $(call java-lib-files,core-oj):$(call java-lib-files,core-libart)
+endif  # LOCAL_NO_STANDARD_LIBRARIES
+else
+ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
+# LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
+my_bootclasspath := $(call java-lib-files,android_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
+my_bootclasspath := $(call java-lib-files,android_system_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+my_bootclasspath := $(call java-lib-files,android_test_stubs_current)
+else
+my_bootclasspath := $(call java-lib-files,sdk_v$(LOCAL_SDK_VERSION))
+endif # current, system_current, or test_current
+endif # LOCAL_SDK_VERSION
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(my_bootclasspath)
+
+# In order to compile lambda code javac requires various invokedynamic-
+# related classes to be present. This change adds stubs needed for
+# javac to compile lambdas.
+my_additional_javac_libs :=
+ifndef TARGET_BUILD_APPS
+# TODO: support to build lamdbas using javac in unbundled build.
+# We may need to check in a prebuilt core-lambda-stubs to prebuilts/sdk.
+ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+my_additional_javac_libs := core-lambda-stubs
+endif
+endif
+
+full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
+full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
+full_java_lib_deps := $(addsuffix .toc, $(full_java_lib_deps))
+
+else # LOCAL_IS_HOST_MODULE
+
+ifeq ($(USE_CORE_LIB_BOOTCLASSPATH),true)
+ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+my_bootclasspath := ""
+else
+my_bootclasspath := $(call normalize-path-list,$(call host-dex-java-lib-files,core-oj-hostdex core-libart-hostdex))
+endif
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(my_bootclasspath)
+
+full_shared_java_libs := $(call host-dex-java-lib-files,$(LOCAL_JAVA_LIBRARIES))
+full_java_lib_deps := $(full_shared_java_libs)
+else # !USE_CORE_LIB_BOOTCLASSPATH
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH :=
+
+full_shared_java_libs := $(addprefix $(HOST_OUT_JAVA_LIBRARIES)/,\
+    $(addsuffix $(COMMON_JAVA_PACKAGE_SUFFIX),$(LOCAL_JAVA_LIBRARIES)))
+full_java_lib_deps := $(full_shared_java_libs)
+endif # USE_CORE_LIB_BOOTCLASSPATH
+endif # !LOCAL_IS_HOST_MODULE
+
+full_java_libs := $(full_shared_java_libs) $(full_static_java_libs) $(LOCAL_CLASSPATH)
+full_java_lib_deps := $(full_java_lib_deps) $(full_static_java_libs) $(LOCAL_CLASSPATH)
+
+ifndef LOCAL_IS_HOST_MODULE
+# This is set by packages that are linking to other packages that export
+# shared libraries, allowing them to make use of the code in the linked apk.
+apk_libraries := $(sort $(LOCAL_APK_LIBRARIES) $(LOCAL_RES_LIBRARIES))
+ifneq ($(apk_libraries),)
+  link_apk_libraries := \
+      $(foreach lib,$(apk_libraries), \
+        $(call intermediates-dir-for, \
+              APPS,$(lib),,COMMON)/classes.jar)
+
+  # link against the jar with full original names (before proguard processing).
+  full_shared_java_libs += $(link_apk_libraries)
+  full_java_libs += $(link_apk_libraries)
+  full_java_lib_deps += $(link_apk_libraries)
+endif
+
+# This is set by packages that contain instrumentation, allowing them to
+# link against the package they are instrumenting.  Currently only one such
+# package is allowed.
+LOCAL_INSTRUMENTATION_FOR := $(strip $(LOCAL_INSTRUMENTATION_FOR))
+ifdef LOCAL_INSTRUMENTATION_FOR
+  ifneq ($(words $(LOCAL_INSTRUMENTATION_FOR)),1)
+    $(error \
+        $(LOCAL_PATH): Multiple LOCAL_INSTRUMENTATION_FOR members defined)
+  endif
+
+  link_instr_intermediates_dir.COMMON := $(call intermediates-dir-for, \
+      APPS,$(LOCAL_INSTRUMENTATION_FOR),,COMMON)
+  # link against the jar with full original names (before proguard processing).
+  link_instr_classes_jar := $(link_instr_intermediates_dir.COMMON)/classes.jar
+  full_java_libs += $(link_instr_classes_jar)
+  full_java_lib_deps += $(link_instr_classes_jar)
+endif  # LOCAL_INSTRUMENTATION_FOR
+endif  # LOCAL_IS_HOST_MODULE
+
+endif  # need_compile_java
+
+# We may want to add jar manifest or jar resource files even if there is no java code at all.
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_EXTRA_JAR_ARGS := $(extra_jar_args)
+jar_manifest_file :=
+ifneq ($(strip $(LOCAL_JAR_MANIFEST)),)
+jar_manifest_file := $(LOCAL_PATH)/$(LOCAL_JAR_MANIFEST)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST := $(jar_manifest_file)
+else
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST :=
+endif
+
+##########################################################
+ifndef LOCAL_IS_HOST_MODULE
+## AAPT Flags
+# aapt doesn't accept multiple --extra-packages flags.
+# We have to collapse them into a single --extra-packages flag here.
+LOCAL_AAPT_FLAGS := $(strip $(LOCAL_AAPT_FLAGS))
+ifdef LOCAL_AAPT_FLAGS
+ifeq ($(filter 0 1,$(words $(filter --extra-packages,$(LOCAL_AAPT_FLAGS)))),)
+aapt_flags := $(subst --extra-packages$(space),--extra-packages@,$(LOCAL_AAPT_FLAGS))
+aapt_flags_extra_packages := $(patsubst --extra-packages@%,%,$(filter --extra-packages@%,$(aapt_flags)))
+aapt_flags_extra_packages := $(sort $(subst :,$(space),$(aapt_flags_extra_packages)))
+LOCAL_AAPT_FLAGS := $(filter-out --extra-packages@%,$(aapt_flags)) \
+    --extra-packages $(subst $(space),:,$(aapt_flags_extra_packages))
+aapt_flags_extra_packages :=
+aapt_flags :=
+endif
+endif
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) $(PRODUCT_AAPT_FLAGS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_AAPT_CHARACTERISTICS := $(TARGET_AAPT_CHARACTERISTICS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_MANIFEST_PACKAGE_NAME := $(LOCAL_MANIFEST_PACKAGE_NAME)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_MANIFEST_INSTRUMENTATION_FOR := $(LOCAL_MANIFEST_INSTRUMENTATION_FOR)
+
+ifdef aidl_sources
+ALL_MODULES.$(my_register_name).AIDL_FILES := $(aidl_sources)
+endif
+ifdef renderscript_sources
+ALL_MODULES.$(my_register_name).RS_FILES := $(renderscript_sources_fullpath)
+endif
+endif  # !LOCAL_IS_HOST_MODULE
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_JAVA_LIBRARIES := $(full_java_libs)
+
+ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR := \
+    $(ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR) $(LOCAL_INTERMEDIATE_SOURCE_DIR)
+
+###########################################################
+# JACK
+###########################################################
+ifdef LOCAL_JACK_ENABLED
+ifdef need_compile_java
+
+LOCAL_JACK_FLAGS += -D jack.java.source.version=$(LOCAL_JAVA_LANGUAGE_VERSION)
+
+full_static_jack_libs := \
+    $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
+      $(call intermediates-dir-for, \
+        JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),COMMON)/classes.jack)
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JACK_LIBRARIES := $(full_static_jack_libs)
+
+ifndef LOCAL_IS_HOST_MODULE
+ifeq ($(LOCAL_SDK_VERSION),)
+ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+my_bootclasspath :=
+else
+my_bootclasspath := $(call jack-lib-files,core-oj core-libart)
+endif
+else  # LOCAL_SDK_VERSION
+ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
+# LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
+my_bootclasspath := $(call jack-lib-files,android_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
+my_bootclasspath := $(call jack-lib-files,android_system_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+my_bootclasspath := $(call jack-lib-files,android_test_stubs_current)
+else
+my_bootclasspath :=$(call jack-lib-files,sdk_v$(LOCAL_SDK_VERSION))
+endif # current, system_current, or test_current
+endif # LOCAL_SDK_VERSION
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(my_bootclasspath)
+
+full_shared_jack_libs := $(call jack-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+full_jack_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+# Turn off .toc optimization for apps build as we cannot build dexdump.
+ifeq (,$(TARGET_BUILD_APPS))
+full_jack_deps := $(patsubst %.jack, %.dex.toc, $(full_jack_deps))
+endif
+
+else # LOCAL_IS_HOST_MODULE
+
+ifeq ($(USE_CORE_LIB_BOOTCLASSPATH),true)
+ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+my_bootclasspath :=
+else
+my_bootclasspath := $(call jack-lib-files,core-oj-hostdex core-libart-hostdex,$(LOCAL_IS_HOST_MODULE))
+endif
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(my_bootclasspath)
+# Compiling against the final jack library. If we want to add support for obfuscated library
+# we'll need to change that to compile against the not obfuscated jack library.
+full_shared_jack_libs := $(call jack-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+full_jack_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+else
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES :=
+full_shared_jack_libs := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+full_jack_deps := $(full_shared_jack_libs)
+endif # USE_CORE_LIB_BOOTCLASSPATH
+endif # !LOCAL_IS_HOST_MODULE
+full_jack_libs := $(full_shared_jack_libs) $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
+full_jack_deps += $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
+
+ifndef LOCAL_IS_HOST_MODULE
+# This is set by packages that are linking to other packages that export
+# shared libraries, allowing them to make use of the code in the linked apk.
+ifneq ($(apk_libraries),)
+  link_apk_jack_libraries := \
+      $(foreach lib,$(apk_libraries), \
+        $(call intermediates-dir-for, \
+              APPS,$(lib),,COMMON)/classes.jack)
+
+  # link against the jar with full original names (before proguard processing).
+  full_shared_jack_libs += $(link_apk_jack_libraries)
+  full_jack_libs += $(link_apk_jack_libraries)
+  full_jack_deps += $(link_apk_jack_libraries)
+endif
+
+# This is set by packages that contain instrumentation, allowing them to
+# link against the package they are instrumenting.  Currently only one such
+# package is allowed.
+ifdef LOCAL_INSTRUMENTATION_FOR
+   # link against the jar with full original names (before proguard processing).
+   link_instr_classes_jack := $(link_instr_intermediates_dir.COMMON)/classes.noshrob.jack
+   full_jack_libs += $(link_instr_classes_jack)
+   full_jack_deps += $(link_instr_classes_jack)
+endif  # LOCAL_INSTRUMENTATION_FOR
+endif  # !LOCAL_IS_HOST_MODULE
+
+# Propagate local configuration options to this target.
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_JACK_LIBRARIES:= $(full_jack_libs)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
+
+endif  # need_compile_java
+endif # LOCAL_JACK_ENABLED
diff --git a/core/java_library.mk b/core/java_library.mk
index dffc7d90a..81a4a6a30 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -24,10 +24,20 @@ endif
 
 LOCAL_BUILT_MODULE_STEM := javalib.jar
 
+#################################
+include $(BUILD_SYSTEM)/configure_local_jack.mk
+#################################
+
+ifdef LOCAL_JACK_ENABLED
+ifdef LOCAL_IS_STATIC_JAVA_LIBRARY
+LOCAL_BUILT_MODULE_STEM := classes.jack
+endif
+endif
+
 intermediates.COMMON := $(call local-intermediates-dir,COMMON)
 
 # This file will be the one that other modules should depend on.
-common_javalib.jar := $(intermediates.COMMON)/$(LOCAL_BUILT_MODULE_STEM)
+common_javalib.jar := $(intermediates.COMMON)/javalib.jar
 LOCAL_INTERMEDIATE_TARGETS += $(common_javalib.jar)
 
 ifeq ($(LOCAL_PROGUARD_ENABLED),disabled)
@@ -37,7 +47,12 @@ endif
 ifeq (true,$(EMMA_INSTRUMENT))
 ifeq (true,$(LOCAL_EMMA_INSTRUMENT))
 ifeq (true,$(EMMA_INSTRUMENT_STATIC))
+ifdef LOCAL_JACK_ENABLED
+# Jack supports coverage with Jacoco
+LOCAL_STATIC_JAVA_LIBRARIES += jacocoagent
+else
 LOCAL_STATIC_JAVA_LIBRARIES += emma
+endif # LOCAL_JACK_ENABLED
 endif # LOCAL_EMMA_INSTRUMENT
 endif # EMMA_INSTRUMENT_STATIC
 else
@@ -58,24 +73,31 @@ $(common_javalib.jar) : $(full_classes_jar)
 endif
 	@echo "target Static Jar: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
-endif
 
-$(LOCAL_BUILT_MODULE): $(common_javalib.jar)
+ifdef LOCAL_JACK_ENABLED
+$(LOCAL_BUILT_MODULE) : $(full_classes_jack)
+else
+$(LOCAL_BUILT_MODULE) : $(common_javalib.jar)
+endif
 	$(copy-file-to-target)
 
 else # !LOCAL_IS_STATIC_JAVA_LIBRARY
 
 $(common_javalib.jar): PRIVATE_DEX_FILE := $(built_dex)
-$(common_javalib.jar) : $(built_dex) $(java_resource_sources)
+$(common_javalib.jar): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
+$(common_javalib.jar): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
+$(common_javalib.jar) : $(built_dex) $(java_resource_sources) | $(ZIPTIME)
 	@echo "target Jar: $(PRIVATE_MODULE) ($@)"
+ifdef LOCAL_JACK_ENABLED
 	$(create-empty-package)
+else
+	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
+endif
 	$(add-dex-to-package)
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
+ifdef LOCAL_JACK_ENABLED
+	$(add-carried-jack-resources)
 endif
+	$(remove-timestamps-from-package)
 
 ifdef LOCAL_DEX_PREOPT
 ifneq ($(dexpreopt_boot_jar_module),) # boot jar
@@ -85,12 +107,6 @@ $(LOCAL_BUILT_MODULE) : $(dexpreopted_boot_jar) | $(ACP)
 	$(call copy-file-to-target)
 
 # For libart boot jars, we don't have .odex files.
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-dexpreopted_boot_odex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(dexpreopt_boot_jar_module).odex
-$(built_odex) : $(dexpreopted_boot_odex) | $(ACP)
-	$(call copy-file-to-target)
-endif
-
 else # ! boot jar
 $(built_odex): PRIVATE_MODULE := $(LOCAL_MODULE)
 # Use pattern rule - we may have multiple built odex files.
diff --git a/core/legacy_prebuilts.mk b/core/legacy_prebuilts.mk
index c477900f2..f4633d019 100644
--- a/core/legacy_prebuilts.mk
+++ b/core/legacy_prebuilts.mk
@@ -22,68 +22,11 @@
 # to add any new such module in the system
 
 GRANDFATHERED_ALL_PREBUILT := \
-	akmd2 \
-	ap_gain.bin \
-	AVRCP.kl \
-	batch \
-	bitmap_size.txt \
 	bmgr \
-	bp.img \
-	brcm_guci_drv \
-	bypassfactory \
-	cdt.bin \
-	chat-ril \
-	cpcap-key.kl \
-	egl.cfg \
-	firmware_error.565 \
-	firmware_install.565 \
-	ftmipcd \
-	gps.conf \
-	gpsconfig.xml \
-	gps.stingray.so \
-	gralloc.omap3.so \
-	gralloc.tegra.so \
-	hwcomposer.tegra.so \
 	ime \
-	init.goldfish.rc \
-	init.goldfish.sh \
-	init.olympus.rc \
-	init.sholes.rc \
-	init.stingray.rc \
 	input \
-	kernel \
-	lbl \
-	libEGL_POWERVR_SGX530_121.so \
-	libEGL_tegra.so \
-	libGLESv1_CM_POWERVR_SGX530_121.so \
-	libGLESv1_CM_tegra.so \
-	libGLESv2_POWERVR_SGX530_121.so \
-	libGLESv2_tegra.so \
-	libmoto_ril.so \
-	libpppd_plugin-ril.so \
-	libril_rds.so \
-	location \
-	location.cfg \
-	main.conf \
-	mbm.bin \
-	mbm_consumer.bin \
-	mdm_panicd \
 	monkey \
 	pm \
-	pppd-ril \
-	pppd-ril.options \
-	qwerty.kl \
-	radio.img \
-	rdl.bin \
 	RFFspeed_501.bmd \
 	RFFstd_501.bmd \
-	savebpver \
-	sholes-keypad.kl \
-	suplcerts.bks \
-	svc \
-	tcmd \
-	ueventd.goldfish.rc \
-	ueventd.olympus.rc \
-	ueventd.stingray.rc \
-	vold.fstab \
-	wl1271.bin
+	svc
diff --git a/core/main.mk b/core/main.mk
index 9d6e233d4..7df4dcbbc 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -29,7 +29,7 @@ endif
 # TOPDIR is the normal variable you should use, because
 # if we are executing relative to the current directory
 # it can be "", whereas TOP must be "." which causes
-# pattern matching probles when make strips off the
+# pattern matching problems when make strips off the
 # trailing "./" from paths in various places.
 #ifeq ($(TOP),.)
 #TOPDIR :=
@@ -38,8 +38,6 @@ endif
 #endif
 
 # Check for broken versions of make.
-# (Allow any version under Cygwin since we don't actually build the platform there.)
-ifeq (,$(findstring CYGWIN,$(shell uname -sm)))
 ifneq (1,$(strip $(shell expr $(MAKE_VERSION) \>= 3.81)))
 $(warning ********************************************************************************)
 $(warning *  You are using version $(MAKE_VERSION) of make.)
@@ -48,7 +46,6 @@ $(warning *  see https://source.android.com/source/download.html)
 $(warning ********************************************************************************)
 $(error stopping)
 endif
-endif
 
 # Absolute path of the present working direcotry.
 # This overrides the shell variable $PWD, which does not necessarily points to
@@ -60,10 +57,16 @@ TOPDIR :=
 
 BUILD_SYSTEM := $(TOPDIR)build/core
 
+# Ensure JAVA_NOT_REQUIRED is not set externally.
+JAVA_NOT_REQUIRED := false
+
 # This is the default target.  It must be the first declared target.
 .PHONY: droid
 DEFAULT_GOAL := droid
-$(DEFAULT_GOAL):
+$(DEFAULT_GOAL): droid_targets
+
+.PHONY: droid_targets
+droid_targets:
 
 # Used to force goals to build.  Only use for conditionally defined goals.
 .PHONY: FORCE
@@ -78,13 +81,18 @@ dont_bother_goals := clean clobber dataclean installclean \
     userdataimage-nodeps userdatatarball-nodeps \
     cacheimage-nodeps \
     vendorimage-nodeps \
+    systemotherimage-nodeps \
     ramdisk-nodeps \
-    bootimage-nodeps
+    bootimage-nodeps \
+    recoveryimage-nodeps \
+    product-graph dump-products
 
 ifneq ($(filter $(dont_bother_goals), $(MAKECMDGOALS)),)
 dont_bother := true
 endif
 
+ORIGINAL_MAKECMDGOALS := $(MAKECMDGOALS)
+
 # Targets that provide quick help on the build system.
 include $(BUILD_SYSTEM)/help.mk
 
@@ -92,6 +100,45 @@ include $(BUILD_SYSTEM)/help.mk
 # and host information.
 include $(BUILD_SYSTEM)/config.mk
 
+relaunch_with_ninja :=
+ifneq ($(USE_NINJA),false)
+ifndef BUILDING_WITH_NINJA
+relaunch_with_ninja := true
+endif
+endif
+
+ifeq ($(relaunch_with_ninja),true)
+# Mark this is a ninja build.
+$(shell mkdir -p $(OUT_DIR) && touch $(OUT_DIR)/ninja_build)
+include build/core/ninja.mk
+else # !relaunch_with_ninja
+ifndef BUILDING_WITH_NINJA
+# Remove ninja build mark if it exists.
+$(shell rm -f $(OUT_DIR)/ninja_build)
+endif
+
+# Write the build number to a file so it can be read back in
+# without changing the command line every time.  Avoids rebuilds
+# when using ninja.
+$(shell mkdir -p $(OUT_DIR) && \
+    echo -n $(BUILD_NUMBER) > $(OUT_DIR)/build_number.txt && \
+    echo -n $(BUILD_DATETIME) > $(OUT_DIR)/build_date.txt)
+BUILD_NUMBER_FROM_FILE := $(shell cat $(OUT_DIR)/build_number.txt)
+BUILD_DATETIME_FROM_FILE := $(shell cat $(OUT_DIR)/build_date.txt)
+ifeq ($(HOST_OS),darwin)
+DATE_FROM_FILE := date -r $(BUILD_DATETIME_FROM_FILE)
+else
+DATE_FROM_FILE := date -d @$(BUILD_DATETIME_FROM_FILE)
+endif
+
+# CTS-specific config.
+-include cts/build/config.mk
+# VTS-specific config.
+-include test/vts/tools/vts-tradefed/build/config.mk
+
+# CMTS-specific config.
+-include vendor/cmts/build/config.mk
+
 # This allows us to force a clean build - included after the config.mk
 # environment setup is done, but before we generate any dependencies.  This
 # file does the rm -rf inline so the deps which are all done below will
@@ -101,13 +148,12 @@ include $(BUILD_SYSTEM)/cleanbuild.mk
 # Include the google-specific config
 -include vendor/google/build/config.mk
 
-VERSION_CHECK_SEQUENCE_NUMBER := 5
+VERSION_CHECK_SEQUENCE_NUMBER := 6
 -include $(OUT_DIR)/versions_checked.mk
 ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER),$(VERSIONS_CHECKED))
 
 $(info Checking build tools versions...)
 
-ifneq ($(HOST_OS),windows)
 # check for a case sensitive file system
 ifneq (a,$(shell mkdir -p $(OUT_DIR) ; \
                 echo a > $(OUT_DIR)/casecheck.txt; \
@@ -119,7 +165,6 @@ $(warning Please move your source tree to a case-sensitive filesystem.)
 $(warning ************************************************************)
 $(error Case-insensitive filesystems not supported)
 endif
-endif
 
 # Make sure that there are no spaces in the absolute path; the
 # build system can't deal with them.
@@ -136,22 +181,23 @@ $(warning ************************************************************)
 $(error Directory names containing spaces not supported)
 endif
 
+ifeq ($(JAVA_NOT_REQUIRED), false)
 java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)
 javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)
 
-# Check for the correct version of java, should be 1.7 by
-# default, and 1.6 if LEGACY_USE_JAVA6 is set.
-ifeq ($(LEGACY_USE_JAVA6),)
+# Check for the correct version of java, should be 1.8 by
+# default and only 1.7 if LEGACY_USE_JAVA7 is set.
+ifeq ($(LEGACY_USE_JAVA7),) # if LEGACY_USE_JAVA7 == ''
+required_version := "1.8.x"
+required_javac_version := "1.8"
+java_version := $(shell echo '$(java_version_str)' | grep '[ "]1\.8[\. "$$]')
+javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.8[\. "$$]')
+else
 required_version := "1.7.x"
 required_javac_version := "1.7"
 java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')
 javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')
-else # if LEGACY_USE_JAVA6
-required_version := "1.6.x"
-required_javac_version := "1.6"
-java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.6[\. "$$]')
-javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.6[\. "$$]')
-endif # if LEGACY_USE_JAVA6
+endif # if LEGACY_USE_JAVA7 == ''
 
 ifeq ($(strip $(java_version)),)
 $(info ************************************************************)
@@ -167,42 +213,12 @@ $(info ************************************************************)
 $(error stop)
 endif
 
-# Check for the current JDK.
-#
-# For Java 1.7, we require OpenJDK on linux and Oracle JDK on Mac OS.
-# For Java 1.6, we require Oracle for all host OSes.
-requires_openjdk := false
-ifeq ($(LEGACY_USE_JAVA6),)
-ifeq ($(HOST_OS), linux)
-requires_openjdk := true
-endif
+KNOWN_INCOMPATIBLE_JAVAC_VERSIONS := google
+incompat_javac := $(foreach v,$(KNOWN_INCOMPATIBLE_JAVAC_VERSIONS),$(findstring $(v),$(javac_version_str)))
+ifneq ($(incompat_javac),)
+javac_version :=
 endif
 
-
-# Check for the current jdk
-ifeq ($(requires_openjdk), true)
-# The user asked for java7 openjdk, so check that the host
-# java version is really openjdk
-ifeq ($(shell echo '$(java_version_str)' | grep -i openjdk),)
-$(info ************************************************************)
-$(info You asked for an OpenJDK 7 build but your version is)
-$(info $(java_version_str).)
-$(info ************************************************************)
-$(error stop)
-endif # java version is not OpenJdk
-else # if requires_openjdk
-ifneq ($(shell echo '$(java_version_str)' | grep -i openjdk),)
-$(info ************************************************************)
-$(info You are attempting to build with an unsupported JDK.)
-$(info $(space))
-$(info You use OpenJDK but only Sun/Oracle JDK is supported.)
-$(info Please follow the machine setup instructions at)
-$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)
-$(info ************************************************************)
-$(error stop)
-endif # java version is not Sun Oracle JDK
-endif # if requires_openjdk
-
 # Check for the correct version of javac
 ifeq ($(strip $(javac_version)),)
 $(info ************************************************************)
@@ -210,7 +226,12 @@ $(info You are attempting to build with the incorrect version)
 $(info of javac.)
 $(info $(space))
 $(info Your version is: $(javac_version_str).)
+ifneq ($(incompat_javac),)
+$(info This '$(incompat_javac)' version is not supported for Android platform builds.)
+$(info Use a publicly available JDK and make sure you have run envsetup.sh / lunch.)
+else
 $(info The required version is: $(required_javac_version))
+endif
 $(info $(space))
 $(info Please follow the machine setup instructions at)
 $(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)
@@ -218,6 +239,7 @@ $(info ************************************************************)
 $(error stop)
 endif
 
+endif # if JAVA_NOT_REQUIRED
 
 ifndef BUILD_EMULATOR
   # Emulator binaries are now provided under prebuilts/android-emulator/
@@ -233,23 +255,7 @@ endif
 # These are the modifier targets that don't do anything themselves, but
 # change the behavior of the build.
 # (must be defined before including definitions.make)
-INTERNAL_MODIFIER_TARGETS := showcommands all incrementaljavac
-
-.PHONY: incrementaljavac
-incrementaljavac: ;
-
-# WARNING:
-# ENABLE_INCREMENTALJAVAC should NOT be enabled by default, because change of
-# a Java source file won't trigger rebuild of its dependent Java files.
-# You can only enable it by adding "incrementaljavac" to your make command line.
-# You are responsible for the correctness of the incremental build.
-# This may decrease incremental build time dramatically for large Java libraries,
-# such as core.jar, framework.jar, etc.
-ENABLE_INCREMENTALJAVAC :=
-ifneq (,$(filter incrementaljavac, $(MAKECMDGOALS)))
-ENABLE_INCREMENTALJAVAC := true
-MAKECMDGOALS := $(filter-out incrementaljavac, $(MAKECMDGOALS))
-endif
+INTERNAL_MODIFIER_TARGETS := showcommands all
 
 # EMMA_INSTRUMENT_STATIC merges the static emma library to each emma-enabled module.
 ifeq (true,$(EMMA_INSTRUMENT_STATIC))
@@ -277,8 +283,8 @@ endif
 ifneq ($(filter-out $(INTERNAL_VALID_VARIANTS),$(TARGET_BUILD_VARIANT)),)
 $(info ***************************************************************)
 $(info ***************************************************************)
-$(info Invalid variant: $(TARGET_BUILD_VARIANT)
-$(info Valid values are: $(INTERNAL_VALID_VARIANTS)
+$(info Invalid variant: $(TARGET_BUILD_VARIANT))
+$(info Valid values are: $(INTERNAL_VALID_VARIANTS))
 $(info ***************************************************************)
 $(info ***************************************************************)
 $(error stopping)
@@ -296,6 +302,30 @@ TARGET_BUILD_JAVA_SUPPORT_LEVEL := platform
 # The pdk (Platform Development Kit) build
 include build/core/pdk_config.mk
 
+#
+# -----------------------------------------------------------------
+# Jack version configuration
+-include $(TOPDIR)prebuilts/sdk/tools/jack_versions.mk
+-include $(TOPDIR)prebuilts/sdk/tools/jack_for_module.mk
+
+#
+# -----------------------------------------------------------------
+# Install and start Jack server
+-include $(TOPDIR)prebuilts/sdk/tools/jack_server_setup.mk
+
+#
+# -----------------------------------------------------------------
+# Jacoco package name for Jack
+-include $(TOPDIR)external/jacoco/config.mk
+
+#
+# -----------------------------------------------------------------
+# Enable dynamic linker developer warnings for all builds except
+# final release.
+ifneq ($(PLATFORM_VERSION_CODENAME),REL)
+  ADDITIONAL_BUILD_PROPERTIES += ro.bionic.ld.warning=1
+endif
+
 # -----------------------------------------------------------------
 ###
 ### In this section we set up the things that are different
@@ -308,9 +338,19 @@ ifneq ($(filter sdk win_sdk sdk_addon,$(MAKECMDGOALS)),)
 is_sdk_build := true
 endif
 
-ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+# Add build properties for ART. These define system properties used by installd
+# to pass flags to dex2oat.
+ADDITIONAL_BUILD_PROPERTIES += persist.sys.dalvik.vm.lib.2=libart.so
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).variant=$(DEX2OAT_TARGET_CPU_VARIANT)
+ifneq ($(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
+  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+endif
+
 ifdef TARGET_2ND_ARCH
-ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).features=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).variant=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT)
+  ifneq ($($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
+    ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).features=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+  endif
 endif
 
 ## user/userdebug ##
@@ -321,31 +361,20 @@ tags_to_install :=
 ifneq (,$(user_variant))
   # Target is secure in user builds.
   ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=1
+  ADDITIONAL_DEFAULT_PROPERTIES += security.perf_harden=1
+
+  ifeq ($(user_variant),user)
+    ADDITIONAL_DEFAULT_PROPERTIES += ro.adb.secure=1
+  endif
 
   ifeq ($(user_variant),userdebug)
     # Pick up some extra useful tools
     tags_to_install += debug
-
-    # Enable Dalvik lock contention logging for userdebug builds.
-    ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.lockprof.threshold=500
   else
     # Disable debugging in plain user builds.
     enable_target_debugging :=
   endif
 
-  # Turn on Dalvik preoptimization for libdvm.so user builds, but only if not
-  # explicitly disabled and the build is running on Linux (since host
-  # Dalvik isn't built for non-Linux hosts).
-  ifeq (,$(WITH_DEXPREOPT))
-    ifeq ($(DALVIK_VM_LIB),libdvm.so)
-      ifeq ($(user_variant),user)
-        ifeq ($(HOST_OS),linux)
-          WITH_DEXPREOPT := true
-        endif
-      endif
-    endif
-  endif
-
   # Disallow mock locations by default for user builds
   ADDITIONAL_DEFAULT_PROPERTIES += ro.allow.mock.location=0
 
@@ -361,6 +390,8 @@ endif # !user_variant
 ifeq (true,$(strip $(enable_target_debugging)))
   # Target is more debuggable and adbd is on by default
   ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=1
+  # Enable Dalvik lock contention logging.
+  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.lockprof.threshold=500
   # Include the debugging/testing OTA keys in this build.
   INCLUDE_TEST_OTA_KEYS := true
 else # !enable_target_debugging
@@ -379,10 +410,8 @@ ifneq ($(filter ro.setupwizard.mode=ENABLED, $(call collapse-pairs, $(ADDITIONAL
           ro.setupwizard.mode=OPTIONAL
 endif
 ifndef is_sdk_build
-  # Don't even verify the image on eng builds to speed startup
-  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-filter=verify-none
-  # Don't compile apps on eng builds to speed startup
-  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-filter=interpret-only
+  # To speedup startup of non-preopted builds, don't verify or compile the boot image.
+  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-filter=verify-at-runtime
 endif
 endif
 
@@ -394,7 +423,7 @@ ifdef is_sdk_build
 sdk_repo_goal := $(strip $(filter sdk_repo,$(MAKECMDGOALS)))
 MAKECMDGOALS := $(strip $(filter-out sdk_repo,$(MAKECMDGOALS)))
 
-ifneq ($(words $(filter-out $(INTERNAL_MODIFIER_TARGETS) checkbuild emulator_tests target-files-package,$(MAKECMDGOALS))),1)
+ifneq ($(words $(sort $(filter-out $(INTERNAL_MODIFIER_TARGETS) checkbuild emulator_tests target-files-package,$(MAKECMDGOALS)))),1)
 $(error The 'sdk' target may not be specified with any other targets)
 endif
 
@@ -408,16 +437,6 @@ endif
 
 BUILD_WITHOUT_PV := true
 
-## precise GC ##
-
-ifneq ($(filter dalvik.gc.type-precise,$(PRODUCT_TAGS)),)
-  # Enabling type-precise GC results in larger optimized DEX files.  The
-  # additional storage requirements for ".odex" files can cause /system
-  # to overflow on some devices, so this is configured separately for
-  # each product.
-  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dexopt-flags=m=y
-endif
-
 ADDITIONAL_BUILD_PROPERTIES += net.bt.name=Android
 
 # enable vm tracing in files for now to help track
@@ -450,21 +469,6 @@ ifeq ($(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS)),)
 $(INTERNAL_MODIFIER_TARGETS): $(DEFAULT_GOAL)
 endif
 
-# Bring in all modules that need to be built.
-ifeq ($(HOST_OS),windows)
-SDK_ONLY := true
-endif
-
-ifeq ($(SDK_ONLY),true)
-include $(TOPDIR)sdk/build/windows_sdk_whitelist.mk
-include $(TOPDIR)development/build/windows_sdk_whitelist.mk
-
-# Exclude tools/acp when cross-compiling windows under linux
-ifeq ($(findstring Linux,$(UNAME)),)
-subdirs += build/tools/acp
-endif
-
-else	# !SDK_ONLY
 #
 # Typical build; include any Android.mk files we can find.
 #
@@ -472,8 +476,6 @@ subdirs := $(TOP)
 
 FULL_BUILD := true
 
-endif	# !SDK_ONLY
-
 # Before we go and include all of the module makefiles, stash away
 # the PRODUCT_* values so that later we can verify they are not modified.
 stash_product_vars:=true
@@ -484,7 +486,12 @@ endif
 ifneq ($(ONE_SHOT_MAKEFILE),)
 # We've probably been invoked by the "mm" shell function
 # with a subdirectory's makefile.
+
+# No Makefiles to include if we are performing a mms/short-circuit build. Only
+# the targets mentioned by main.mk and tasks/* are built (kernel, boot.img etc)
+ifneq ($(ONE_SHOT_MAKEFILE),__none__)
 include $(ONE_SHOT_MAKEFILE)
+endif
 # Change CUSTOM_MODULES to include only modules that were
 # defined by this makefile; this will install all of those
 # modules as a side-effect.  Do this after including ONE_SHOT_MAKEFILE
@@ -500,6 +507,7 @@ NOTICE-TARGET-%: ;
 # A helper goal printing out install paths
 .PHONY: GET-INSTALL-PATH
 GET-INSTALL-PATH:
+	@echo "Install paths for modules in $(ONE_SHOT_MAKEFILE):"
 	@$(foreach m, $(ALL_MODULES), $(if $(ALL_MODULES.$(m).INSTALLED), \
 		echo 'INSTALL-PATH: $(m) $(ALL_MODULES.$(m).INSTALLED)';))
 
@@ -513,9 +521,18 @@ ifneq ($(dont_bother),true)
 # Can't use first-makefiles-under here because
 # --mindepth=2 makes the prunes not work.
 subdir_makefiles := \
-	$(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git $(subdirs) Android.mk)
+	$(shell build/tools/findleaves.py $(FIND_LEAVES_EXCLUDES) $(subdirs) Android.mk)
 
-$(foreach mk, $(subdir_makefiles), $(info including $(mk) ...)$(eval include $(mk)))
+ifeq ($(USE_SOONG),true)
+subdir_makefiles := $(SOONG_ANDROID_MK) $(call filter-soong-makefiles,$(subdir_makefiles))
+endif
+
+$(foreach mk, $(subdir_makefiles), $(eval include $(mk)))
+
+ifdef PDK_FUSION_PLATFORM_ZIP
+# Bring in the PDK platform.zip modules.
+include $(BUILD_SYSTEM)/pdk_fusion_modules.mk
+endif # PDK_FUSION_PLATFORM_ZIP
 
 endif # dont_bother
 
@@ -585,6 +602,8 @@ $(strip $(foreach m,$(1),\
     $(m))))
 endef
 
+# If a module is for a cross host os, the required modules must be for
+# that OS too.
 # If a module is built for 32-bit, the required modules must be 32-bit too;
 # Otherwise if the module is an exectuable or shared library,
 #   the required modules must be 64-bit;
@@ -592,6 +611,8 @@ endef
 $(foreach m,$(ALL_MODULES),\
   $(eval r := $(ALL_MODULES.$(m).REQUIRED))\
   $(if $(r),\
+    $(if $(ALL_MODULES.$(m).FOR_HOST_CROSS),\
+      $(eval r := $(addprefix host_cross_,$(r))))\
     $(if $(ALL_MODULES.$(m).FOR_2ND_ARCH),\
       $(eval r_r := $(call get-32-bit-modules-if-we-can,$(r))),\
       $(if $(filter EXECUTABLES SHARED_LIBRARIES,$(ALL_MODULES.$(m).CLASS)),\
@@ -614,32 +635,40 @@ $(foreach m,$(ALL_MODULES), \
     $(eval r := $(call module-installed-files,$(r))) \
     $(eval t_m := $(filter $(TARGET_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
     $(eval h_m := $(filter $(HOST_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
+    $(eval hc_m := $(filter $(HOST_CROSS_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
     $(eval t_r := $(filter $(TARGET_OUT_ROOT)/%, $(r))) \
     $(eval h_r := $(filter $(HOST_OUT_ROOT)/%, $(r))) \
+    $(eval hc_r := $(filter $(HOST_CROSS_OUT_ROOT)/%, $(r))) \
     $(eval t_m := $(filter-out $(t_r), $(t_m))) \
     $(eval h_m := $(filter-out $(h_r), $(h_m))) \
+    $(eval hc_m := $(filter-out $(hc_r), $(hc_m))) \
     $(if $(t_m), $(eval $(call add-required-deps, $(t_m),$(t_r)))) \
     $(if $(h_m), $(eval $(call add-required-deps, $(h_m),$(h_r)))) \
+    $(if $(hc_m), $(eval $(call add-required-deps, $(hc_m),$(hc_r)))) \
    ) \
  )
 
 t_m :=
 h_m :=
+hc_m :=
 t_r :=
 h_r :=
+hc_r :=
 
 # Establish the dependecies on the shared libraries.
 # It also adds the shared library module names to ALL_MODULES.$(m).REQUIRED,
 # so they can be expanded to product_MODULES later.
-# $(1): TARGET_ or HOST_.
+# $(1): TARGET_ or HOST_ or HOST_CROSS_.
 # $(2): non-empty for 2nd arch.
+# $(3): non-empty for host cross compile.
 define resolve-shared-libs-depes
 $(foreach m,$($(if $(2),$($(1)2ND_ARCH_VAR_PREFIX))$(1)DEPENDENCIES_ON_SHARED_LIBRARIES),\
   $(eval p := $(subst :,$(space),$(m)))\
   $(eval mod := $(firstword $(p)))\
   $(eval deps := $(subst $(comma),$(space),$(lastword $(p))))\
   $(if $(2),$(eval deps := $(addsuffix $($(1)2ND_ARCH_MODULE_SUFFIX),$(deps))))\
-  $(eval r := $(filter $($(1)OUT_ROOT)/%,$(call module-installed-files,\
+  $(if $(3),$(eval deps := $(addprefix host_cross_,$(deps))))\
+  $(eval r := $(filter $($(1)OUT)/%,$(call module-installed-files,\
     $(deps))))\
   $(eval $(call add-required-deps,$(word 2,$(p)),$(r)))\
   $(eval ALL_MODULES.$(mod).REQUIRED += $(deps)))
@@ -653,6 +682,9 @@ $(call resolve-shared-libs-depes,HOST_)
 ifdef HOST_2ND_ARCH
 $(call resolve-shared-libs-depes,HOST_,true)
 endif
+ifdef HOST_CROSS_OS
+$(call resolve-shared-libs-depes,HOST_CROSS_,,true)
+endif
 
 m :=
 r :=
@@ -745,15 +777,20 @@ overridden_packages := $(call get-package-overrides,$(modules_to_install))
 ifdef overridden_packages
 #  old_modules_to_install := $(modules_to_install)
   modules_to_install := \
-      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk), \
+      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk %/$(p).odex), \
           $(modules_to_install))
 endif
 #$(error filtered out
 #           $(filter-out $(modules_to_install),$(old_modules_to_install)))
 
-# Don't include any GNU targets in the SDK.  It's ok (and necessary)
-# to build the host tools, but nothing that's going to be installed
-# on the target (including static libraries).
+# Don't include any GNU General Public License shared objects or static
+# libraries in SDK images.  GPL executables (not static/dynamic libraries)
+# are okay if they don't link against any closed source libraries (directly
+# or indirectly)
+
+# It's ok (and necessary) to build the host tools, but nothing that's
+# going to be installed on the target (including static libraries).
+
 ifdef is_sdk_build
   target_gnu_MODULES := \
               $(filter \
@@ -761,6 +798,7 @@ ifdef is_sdk_build
                       $(TARGET_OUT)/% \
                       $(TARGET_OUT_DATA)/%, \
                               $(sort $(call get-tagged-modules,gnu)))
+  target_gnu_MODULES := $(filter-out $(TARGET_OUT_EXECUTABLES)/%,$(target_gnu_MODULES))
   $(info Removing from sdk:)$(foreach d,$(target_gnu_MODULES),$(info : $(d)))
   modules_to_install := \
               $(filter-out $(target_gnu_MODULES),$(modules_to_install))
@@ -771,10 +809,6 @@ ifdef is_sdk_build
   $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES), \
     $(if $(strip $(ALL_MODULES.$(m).INSTALLED) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).INSTALLED)),,\
       $(eval dangling_modules += $(m))))
-  ifneq ($(TARGET_IS_64_BIT),true)
-    # We know those 64-bit modules don't exist in the 32-bit SDK build.
-    dangling_modules := $(filter-out %64,$(dangling_modules))
-  endif
   ifneq ($(dangling_modules),)
     $(warning: Modules '$(dangling_modules)' in PRODUCT_PACKAGES have nothing to install!)
   endif
@@ -837,23 +871,17 @@ files: prebuilt \
 # -------------------------------------------------------------------
 
 .PHONY: checkbuild
-checkbuild: $(modules_to_check)
-ifeq (true,$(ANDROID_BUILD_EVERYTHING_BY_DEFAULT)$(filter $(MAKECMDGOALS),checkbuild))
+checkbuild: $(modules_to_check) droid_targets
+ifeq ($(USE_SOONG),true)
+checkbuild: checkbuild-soong
+endif
+ifeq (true,$(ANDROID_BUILD_EVERYTHING_BY_DEFAULT))
 droid: checkbuild
-else
-# ANDROID_BUILD_EVERYTHING_BY_DEFAULT not set, or checkbuild is one of the cmd goals.
-checkbuild: droid
 endif
 
 .PHONY: ramdisk
 ramdisk: $(INSTALLED_RAMDISK_TARGET)
 
-.PHONY: factory_ramdisk
-factory_ramdisk: $(INSTALLED_FACTORY_RAMDISK_TARGET)
-
-.PHONY: factory_bundle
-factory_bundle: $(INSTALLED_FACTORY_BUNDLE_TARGET)
-
 .PHONY: systemtarball
 systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)
 
@@ -876,6 +904,9 @@ cacheimage: $(INSTALLED_CACHEIMAGE_TARGET)
 .PHONY: vendorimage
 vendorimage: $(INSTALLED_VENDORIMAGE_TARGET)
 
+.PHONY: systemotherimage
+systemotherimage: $(INSTALLED_SYSTEMOTHERIMAGE_TARGET)
+
 .PHONY: bootimage
 bootimage: $(INSTALLED_BOOTIMAGE_TARGET)
 
@@ -885,7 +916,8 @@ ifndef BUILD_MODULES_IN_PATHS
 all_modules: $(ALL_MODULES)
 else
 # BUILD_MODULES_IN_PATHS is a list of paths relative to the top of the tree
-module_path_patterns := $(foreach p, $(BUILD_MODULES_IN_PATHS),\
+build_modules_in_paths := $(patsubst ./%,%,$(BUILD_MODULES_IN_PATHS))
+module_path_patterns := $(foreach p, $(build_modules_in_paths),\
     $(if $(filter %/,$(p)),$(p)%,$(p)/%))
 my_all_modules := $(sort $(foreach m, $(ALL_MODULES),$(if $(filter\
     $(module_path_patterns), $(addsuffix /,$(ALL_MODULES.$(m).PATH))),$(m))))
@@ -902,7 +934,10 @@ droidcore: files \
 	$(INSTALLED_USERDATAIMAGE_TARGET) \
 	$(INSTALLED_CACHEIMAGE_TARGET) \
 	$(INSTALLED_VENDORIMAGE_TARGET) \
-	$(INSTALLED_FILES_FILE)
+	$(INSTALLED_SYSTEMOTHERIMAGE_TARGET) \
+	$(INSTALLED_FILES_FILE) \
+	$(INSTALLED_FILES_FILE_VENDOR) \
+	$(INSTALLED_FILES_FILE_SYSTEMOTHER)
 
 # dist_files only for putting your library into the dist directory with a full build.
 .PHONY: dist_files
@@ -924,7 +959,9 @@ ifneq ($(TARGET_BUILD_APPS),)
   # For uninstallable modules such as static Java library, we have to dist the built file,
   # as <module_name>.<suffix>
   apps_only_dist_built_files := $(foreach m,$(unbundled_build_modules),$(if $(ALL_MODULES.$(m).INSTALLED),,\
-      $(if $(ALL_MODULES.$(m).BUILT),$(ALL_MODULES.$(m).BUILT):$(m)$(suffix $(ALL_MODULES.$(m).BUILT)))))
+      $(if $(ALL_MODULES.$(m).BUILT),$(ALL_MODULES.$(m).BUILT):$(m)$(suffix $(ALL_MODULES.$(m).BUILT)))\
+      $(if $(ALL_MODULES.$(m).AAR),$(ALL_MODULES.$(m).AAR):$(m).aar)\
+      ))
   $(call dist-for-goals,apps_only, $(apps_only_dist_built_files))
 
   ifeq ($(EMMA_INSTRUMENT),true)
@@ -942,7 +979,7 @@ ifneq ($(TARGET_BUILD_APPS),)
 .PHONY: apps_only
 apps_only: $(unbundled_build_modules)
 
-droid: apps_only
+droid_targets: apps_only
 
 # Combine the NOTICE files for a apps_only build
 $(eval $(call combine-notice-files, \
@@ -957,14 +994,15 @@ else # TARGET_BUILD_APPS
   $(call dist-for-goals, droidcore, \
     $(INTERNAL_UPDATE_PACKAGE_TARGET) \
     $(INTERNAL_OTA_PACKAGE_TARGET) \
+    $(BUILT_OTATOOLS_PACKAGE) \
     $(SYMBOLS_ZIP) \
     $(INSTALLED_FILES_FILE) \
+    $(INSTALLED_FILES_FILE_VENDOR) \
+    $(INSTALLED_FILES_FILE_SYSTEMOTHER) \
     $(INSTALLED_BUILD_PROP_TARGET) \
     $(BUILT_TARGET_FILES_PACKAGE) \
     $(INSTALLED_ANDROID_INFO_TXT_TARGET) \
     $(INSTALLED_RAMDISK_TARGET) \
-    $(INSTALLED_FACTORY_RAMDISK_TARGET) \
-    $(INSTALLED_FACTORY_BUNDLE_TARGET) \
    )
 
   # Put a copy of the radio/bootloader files in the dist dir.
@@ -988,7 +1026,7 @@ else # TARGET_BUILD_APPS
   endif
 
 # Building a full system-- the default is to build droidcore
-droid: droidcore dist_files
+droid_targets: droidcore dist_files
 
 endif # TARGET_BUILD_APPS
 
@@ -1020,13 +1058,13 @@ target-native-tests : native-target-tests
 tests : host-tests target-tests
 
 # To catch more build breakage, check build tests modules in eng and userdebug builds.
+ifneq ($(ANDROID_NO_TEST_CHECK),true)
 ifneq ($(TARGET_BUILD_PDK),true)
 ifneq ($(filter eng userdebug,$(TARGET_BUILD_VARIANT)),)
 droidcore : target-tests host-tests
 endif
 endif
-
-.PHONY: lintall
+endif
 
 ifneq (,$(filter samplecode, $(MAKECMDGOALS)))
 .PHONY: samplecode
@@ -1049,7 +1087,7 @@ findbugs: $(INTERNAL_FINDBUGS_HTML_TARGET) $(INTERNAL_FINDBUGS_XML_TARGET)
 
 .PHONY: clean
 clean:
-	@rm -rf $(OUT_DIR)/*
+	@rm -rf $(OUT_DIR)/* $(OUT_DIR)/..?* $(OUT_DIR)/.[!.]*
 	@echo "Entire build directory removed."
 
 .PHONY: clobber
@@ -1071,3 +1109,4 @@ showcommands:
 .PHONY: nothing
 nothing:
 	@echo Successfully read the makefiles.
+endif # !relaunch_with_ninja
diff --git a/core/module_arch_supported.mk b/core/module_arch_supported.mk
index a5e4a7cbc..62e264331 100644
--- a/core/module_arch_supported.mk
+++ b/core/module_arch_supported.mk
@@ -8,9 +8,11 @@
 ## LOCAL_MODULE_$(my_prefix)ARCH_WARN
 ## LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH
 ## LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH_WARN
+## LOCAL_IS_HOST_MODULE
+## LOCAL_MODULE_HOST_OS
 ##
 ## Inputs from build system:
-## $(my_prefix)IS_64_BIT
+## $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT
 ## LOCAL_2ND_ARCH_VAR_PREFIX
 ##
 ## Outputs:
@@ -23,19 +25,18 @@ ifeq ($(my_module_multilib),none)
 my_module_arch_supported := false
 endif
 
-ifeq ($(LOCAL_2ND_ARCH_VAR_PREFIX),)
-ifeq ($($(my_prefix)IS_64_BIT)|$(my_module_multilib),true|32)
+ifeq ($($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT)|$(my_module_multilib),true|32)
 my_module_arch_supported := false
-else ifeq ($($(my_prefix)IS_64_BIT)|$(my_module_multilib),|64)
+endif
+ifeq ($($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT)|$(my_module_multilib),|64)
 my_module_arch_supported := false
 endif
-else # LOCAL_2ND_ARCH_VAR_PREFIX
+
+ifneq ($(LOCAL_2ND_ARCH_VAR_PREFIX),)
 ifeq ($(my_module_multilib),first)
 my_module_arch_supported := false
-else ifeq ($(my_module_multilib),64)
-my_module_arch_supported := false
 endif
-endif # LOCAL_2ND_ARCH_VAR_PREFIX
+endif
 
 ifneq (,$(LOCAL_MODULE_$(my_prefix)ARCH))
 ifeq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH)))
@@ -58,3 +59,14 @@ ifneq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_
 my_module_arch_supported := false
 $(warning $(LOCAL_MODULE): architecture $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) unsupported)
 endif
+
+ifdef LOCAL_IS_HOST_MODULE
+ifneq (,$(LOCAL_MODULE_HOST_OS))
+  ifeq (,$(filter $($(my_prefix)OS),$(LOCAL_MODULE_HOST_OS)))
+    my_module_arch_supported := false
+  endif
+else ifeq ($($(my_prefix)OS),windows)
+  # If LOCAL_MODULE_HOST_OS is empty, only linux and darwin are supported
+  my_module_arch_supported := false
+endif
+endif
diff --git a/core/multi_prebuilt.mk b/core/multi_prebuilt.mk
index bc85cea4a..ed2fed686 100644
--- a/core/multi_prebuilt.mk
+++ b/core/multi_prebuilt.mk
@@ -76,8 +76,7 @@ $(foreach t,$(1), \
      ) \
    ) \
   $(eval LOCAL_MODULE_SUFFIX := $(suffix $(LOCAL_SRC_FILES))) \
-  $(if $(filter user,$(TARGET_BUILD_VARIANT)), \
-    $(eval LOCAL_STRIP_MODULE := $(8))) \
+  $(eval LOCAL_STRIP_MODULE := $(8)) \
   $(eval include $(BUILD_PREBUILT)) \
  )
 endef
diff --git a/core/native_benchmark.mk b/core/native_benchmark.mk
new file mode 100644
index 000000000..ac377011c
--- /dev/null
+++ b/core/native_benchmark.mk
@@ -0,0 +1,17 @@
+###########################################
+## A thin wrapper around BUILD_EXECUTABLE
+## Common flags for native benchmarks are added.
+###########################################
+
+LOCAL_STATIC_LIBRARIES += libgoogle-benchmark
+
+LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_METRIC_TESTS)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_32 := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_METRIC_TESTS)/$(LOCAL_MODULE)
+
+ifndef LOCAL_MULTILIB
+ifndef LOCAL_32_BIT_ONLY
+LOCAL_MULTILIB := both
+endif
+endif
+
+include $(BUILD_EXECUTABLE)
diff --git a/core/ninja.mk b/core/ninja.mk
new file mode 100644
index 000000000..109fe77f3
--- /dev/null
+++ b/core/ninja.mk
@@ -0,0 +1,195 @@
+NINJA ?= $(shell which ninja)
+ifeq ($(NINJA),)
+  NINJA := prebuilts/ninja/$(HOST_PREBUILT_TAG)/ninja
+endif
+
+ifeq ($(USE_SOONG),true)
+USE_SOONG_FOR_KATI := true
+endif
+
+ifeq ($(USE_SOONG_FOR_KATI),true)
+include $(BUILD_SYSTEM)/soong.mk
+else
+KATI ?= $(HOST_OUT_EXECUTABLES)/ckati
+MAKEPARALLEL ?= $(HOST_OUT_EXECUTABLES)/makeparallel
+endif
+
+KATI_OUTPUT_PATTERNS := $(OUT_DIR)/build%.ninja $(OUT_DIR)/ninja%.sh
+
+# Modifier goals we don't need to pass to Ninja.
+NINJA_EXCLUDE_GOALS := showcommands all dist
+.PHONY : $(NINJA_EXCLUDE_GOALS)
+
+# A list of goals which affect parsing of makefiles and we need to pass to Kati.
+PARSE_TIME_MAKE_GOALS := \
+	$(PARSE_TIME_MAKE_GOALS) \
+	$(dont_bother_goals) \
+	all \
+	APP-% \
+	DUMP_% \
+	ECLIPSE-% \
+	PRODUCT-% \
+	boottarball-nodeps \
+	btnod \
+	build-art% \
+	build_kernel-nodeps \
+	clean-oat% \
+	continuous_instrumentation_tests \
+	continuous_native_tests \
+	cts \
+	custom_images \
+	deps-license \
+	dicttool_aosp \
+	dist \
+	dump-products \
+	dumpvar-% \
+	eng \
+	fusion \
+	oem_image \
+	old-cts \
+	online-system-api-sdk-docs \
+	pdk \
+	platform \
+	platform-java \
+	product-graph \
+	samplecode \
+	sdk \
+	sdk_addon \
+	sdk_repo \
+	snod \
+	stnod \
+	systemimage-nodeps \
+	systemtarball-nodeps \
+	target-files-package \
+	test-art% \
+	user \
+	userdataimage \
+	userdebug \
+	valgrind-test-art% \
+	vts \
+	win_sdk \
+	winsdk-tools
+
+-include vendor/google/build/ninja_config.mk
+
+# Any Android goals that need to be built.
+ANDROID_GOALS := $(filter-out $(KATI_OUTPUT_PATTERNS) $(KATI) $(MAKEPARALLEL),\
+    $(sort $(ORIGINAL_MAKECMDGOALS) $(MAKECMDGOALS)))
+# Goals we need to pass to Ninja.
+NINJA_GOALS := $(filter-out $(NINJA_EXCLUDE_GOALS), $(ANDROID_GOALS))
+# Goals we need to pass to Kati.
+KATI_GOALS := $(filter $(PARSE_TIME_MAKE_GOALS),  $(ANDROID_GOALS))
+
+define replace_space_and_slash
+$(subst /,_,$(subst $(space),_,$(sort $1)))
+endef
+
+KATI_NINJA_SUFFIX := -$(TARGET_PRODUCT)
+ifneq ($(KATI_GOALS),)
+KATI_NINJA_SUFFIX := $(KATI_NINJA_SUFFIX)-$(call replace_space_and_slash,$(KATI_GOALS))
+endif
+ifneq ($(ONE_SHOT_MAKEFILE),)
+KATI_NINJA_SUFFIX := $(KATI_NINJA_SUFFIX)-mmm-$(call replace_space_and_slash,$(ONE_SHOT_MAKEFILE))
+endif
+ifneq ($(BUILD_MODULES_IN_PATHS),)
+KATI_NINJA_SUFFIX := $(KATI_NINJA_SUFFIX)-mmma-$(call replace_space_and_slash,$(BUILD_MODULES_IN_PATHS))
+endif
+
+my_checksum_suffix :=
+my_ninja_suffix_too_long := $(filter 1, $(shell v='$(KATI_NINJA_SUFFIX)' && echo $$(($${$(pound)v} > 240))))
+ifneq ($(my_ninja_suffix_too_long),)
+# Replace the suffix with a checksum if it gets too long.
+my_checksum_suffix := $(KATI_NINJA_SUFFIX)
+KATI_NINJA_SUFFIX := -$(word 1, $(shell echo $(my_checksum_suffix) | $(MD5SUM)))
+endif
+
+KATI_BUILD_NINJA := $(OUT_DIR)/build$(KATI_NINJA_SUFFIX).ninja
+KATI_ENV_SH := $(OUT_DIR)/env$(KATI_NINJA_SUFFIX).sh
+
+# Write out a file mapping checksum to the real suffix.
+ifneq ($(my_checksum_suffix),)
+my_ninja_suffix_file := $(basename $(KATI_BUILD_NINJA)).suf
+$(shell mkdir -p $(dir $(my_ninja_suffix_file)) && \
+    echo $(my_checksum_suffix) > $(my_ninja_suffix_file))
+endif
+
+ifeq (,$(NINJA_STATUS))
+NINJA_STATUS := [%p %s/%t]$(space)
+endif
+
+ifneq (,$(filter showcommands,$(ORIGINAL_MAKECMDGOALS)))
+NINJA_ARGS += "-v"
+endif
+
+ifdef USE_GOMA
+KATI_MAKEPARALLEL := $(MAKEPARALLEL)
+# Ninja runs remote jobs (i.e., commands which contain gomacc) with
+# this parallelism. Note the parallelism of all other jobs is still
+# limited by the -j flag passed to GNU make.
+NINJA_REMOTE_NUM_JOBS ?= 500
+NINJA_ARGS += -j$(NINJA_REMOTE_NUM_JOBS)
+else
+NINJA_MAKEPARALLEL := $(MAKEPARALLEL) --ninja
+endif
+
+ifeq ($(USE_SOONG),true)
+COMBINED_BUILD_NINJA := $(OUT_DIR)/combined$(KATI_NINJA_SUFFIX).ninja
+
+$(COMBINED_BUILD_NINJA): $(KATI_BUILD_NINJA) $(SOONG_ANDROID_MK)
+	$(hide) echo "builddir = $(OUT_DIR)" > $(COMBINED_BUILD_NINJA)
+	$(hide) echo "subninja $(SOONG_BUILD_NINJA)" >> $(COMBINED_BUILD_NINJA)
+	$(hide) echo "subninja $(KATI_BUILD_NINJA)" >> $(COMBINED_BUILD_NINJA)
+else
+COMBINED_BUILD_NINJA := $(KATI_BUILD_NINJA)
+endif
+
+$(sort $(DEFAULT_GOAL) $(ANDROID_GOALS)) : ninja_wrapper
+	@#empty
+
+.PHONY: ninja_wrapper
+ninja_wrapper: $(COMBINED_BUILD_NINJA) $(MAKEPARALLEL)
+	@echo Starting build with ninja
+	+$(hide) export NINJA_STATUS="$(NINJA_STATUS)" && source $(KATI_ENV_SH) && $(NINJA_MAKEPARALLEL) $(NINJA) $(NINJA_GOALS) -C $(TOP) -f $(COMBINED_BUILD_NINJA) $(NINJA_ARGS)
+
+# Dummy Android.mk and CleanSpec.mk files so that kati won't recurse into the
+# out directory
+DUMMY_OUT_MKS := $(OUT_DIR)/Android.mk $(OUT_DIR)/CleanSpec.mk
+$(DUMMY_OUT_MKS):
+	@mkdir -p $(dir $@)
+	$(hide) echo '# This file prevents findleaves.py from traversing this directory further' >$@
+
+KATI_FIND_EMULATOR := --use_find_emulator
+ifeq ($(KATI_EMULATE_FIND),false)
+  KATI_FIND_EMULATOR :=
+endif
+$(KATI_BUILD_NINJA): $(KATI) $(MAKEPARALLEL) $(DUMMY_OUT_MKS) $(SOONG_ANDROID_MK) FORCE
+	@echo Running kati to generate build$(KATI_NINJA_SUFFIX).ninja...
+	+$(hide) $(KATI_MAKEPARALLEL) $(KATI) --ninja --ninja_dir=$(OUT_DIR) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --no_ignore_dirty=$(SOONG_ANDROID_MK) --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo $(KATI_FIND_EMULATOR) -f build/core/main.mk $(KATI_GOALS) --gen_all_targets BUILDING_WITH_NINJA=true SOONG_ANDROID_MK=$(SOONG_ANDROID_MK)
+
+ifneq ($(USE_SOONG_FOR_KATI),true)
+KATI_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
+KATI_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
+# Build static ckati. Unfortunately Mac OS X doesn't officially support static exectuables.
+ifeq ($(BUILD_OS),linux)
+# We need everything in libpthread.a otherwise C++11's threading library will be disabled.
+KATI_LD += -static -Wl,--whole-archive -lpthread -Wl,--no-whole-archive -ldl
+endif
+
+KATI_INTERMEDIATES_PATH := $(HOST_OUT_INTERMEDIATES)/EXECUTABLES/ckati_intermediates
+KATI_BIN_PATH := $(HOST_OUT_EXECUTABLES)
+include build/kati/Makefile.ckati
+
+MAKEPARALLEL_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
+MAKEPARALLEL_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
+# Build static makeparallel. Unfortunately Mac OS X doesn't officially support static exectuables.
+ifeq ($(BUILD_OS),linux)
+MAKEPARALLEL_LD += -static
+endif
+
+MAKEPARALLEL_INTERMEDIATES_PATH := $(HOST_OUT_INTERMEDIATES)/EXECUTABLES/makeparallel_intermediates
+MAKEPARALLEL_BIN_PATH := $(HOST_OUT_EXECUTABLES)
+include build/tools/makeparallel/Makefile
+endif
+
+.PHONY: FORCE
+FORCE:
diff --git a/core/notice_files.mk b/core/notice_files.mk
index e63cd84b5..e7f89745b 100644
--- a/core/notice_files.mk
+++ b/core/notice_files.mk
@@ -2,7 +2,11 @@
 ## Track NOTICE files
 ###########################################################
 
+ifneq ($(LOCAL_NOTICE_FILE),)
+notice_file:=$(strip $(LOCAL_NOTICE_FILE))
+else
 notice_file:=$(strip $(wildcard $(LOCAL_PATH)/NOTICE))
+endif
 
 ifeq ($(LOCAL_MODULE_CLASS),GYP)
   # We ignore NOTICE files for modules of type GYP.
@@ -14,6 +18,7 @@ ifeq ($(LOCAL_MODULE_CLASS),NOTICE_FILES)
 # so my_prefix is not set at this point.
 ifeq ($(LOCAL_IS_HOST_MODULE),true)
   my_prefix := HOST_
+  LOCAL_HOST_PREFIX :=
 else
   my_prefix := TARGET_
 endif
@@ -43,7 +48,7 @@ else
       # javalib.jar is the default name for the build module (and isn't meaningful)
       # If that's what we have, substitute the module name instead.  These files
       # aren't included on the device, so this name is synthetic anyway.
-      ifeq ($(module_leaf),javalib.jar)
+      ifneq ($(filter javalib.jar classes.jack,$(module_leaf)),)
         module_leaf := $(LOCAL_MODULE).jar
       endif
       module_installed_filename := \
@@ -56,6 +61,7 @@ endif
 
 # In case it's actually a host file
 module_installed_filename := $(patsubst $(HOST_OUT)%,%,$(module_installed_filename))
+module_installed_filename := $(patsubst $(HOST_CROSS_OUT)%,%,$(module_installed_filename))
 
 installed_notice_file := $($(my_prefix)OUT_NOTICE_FILES)/src/$(module_installed_filename).txt
 
diff --git a/core/package_internal.mk b/core/package_internal.mk
index a6ad354b4..5940d6372 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -57,6 +57,13 @@ $(error $(LOCAL_PATH): Package modules may not set LOCAL_MODULE_CLASS)
 endif
 LOCAL_MODULE_CLASS := APPS
 
+intermediates := $(call local-intermediates-dir)
+intermediates.COMMON := $(call local-intermediates-dir,COMMON)
+
+#################################
+include $(BUILD_SYSTEM)/configure_local_jack.mk
+#################################
+
 # Package LOCAL_MODULE_TAGS default to optional
 LOCAL_MODULE_TAGS := $(strip $(LOCAL_MODULE_TAGS))
 ifeq ($(LOCAL_MODULE_TAGS),)
@@ -108,6 +115,45 @@ ifneq ($(all_assets),)
 need_compile_asset := true
 endif
 
+my_res_package :=
+ifdef LOCAL_USE_AAPT2
+# In aapt2 the last takes precedence.
+my_resource_dirs := $(call reverse-list,$(LOCAL_RESOURCE_DIR))
+my_res_dir :=
+my_overlay_res_dirs :=
+
+ifneq ($(LOCAL_STATIC_ANDROID_LIBRARIES),)
+# If we are using static android libraries, every source file becomes an overlay.
+# This is to emulate old AAPT behavior which simulated library support.
+my_res_dir :=
+my_overlay_res_dirs := $(my_resource_dirs)
+else
+# Without static libraries, the first directory is our directory, which can then be
+# overlaid by the rest. (First directory in my_resource_dirs is last directory in
+# $(LOCAL_RESOURCE_DIR) due to it being reversed.
+my_res_dir := $(firstword $(my_resource_dirs))
+my_overlay_res_dirs := $(wordlist 2,999,$(my_resource_dirs))
+endif
+
+my_overlay_resources := $(strip \
+  $(foreach d,$(my_overlay_res_dirs),\
+    $(addprefix $(d)/, \
+        $(call find-subdir-assets,$(d)))))
+
+my_res_resources := $(strip \
+    $(addprefix $(my_res_dir)/, \
+        $(call find-subdir-assets,$(my_res_dir))))
+
+all_resources := $(strip $(my_res_resources) $(my_overlay_resources))
+
+# The linked resource package.
+my_res_package := $(intermediates)/package-res.apk
+LOCAL_INTERMEDIATE_TARGETS += $(my_res_package)
+
+# Always run aapt2, because we need to at least compile the AndroidManifest.xml.
+need_compile_res := true
+
+else  # LOCAL_USE_AAPT2
 all_resources := $(strip \
     $(foreach dir, $(LOCAL_RESOURCE_DIR), \
       $(addprefix $(dir)/, \
@@ -117,13 +163,14 @@ all_resources := $(strip \
        ) \
      ))
 
+endif  # LOCAL_USE_AAPT2
+
 ifneq ($(all_resources),)
   need_compile_res := true
 endif
 
 all_res_assets := $(strip $(all_assets) $(all_resources))
 
-intermediates.COMMON := $(call local-intermediates-dir,COMMON)
 
 # If no assets or resources were found, clear the directory variables so
 # we don't try to build them.
@@ -162,10 +209,17 @@ endif # need_compile_res
 endif # !custom
 LOCAL_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_PROGUARD_FLAGS)
 
+ifdef LOCAL_JACK_ENABLED
+ifndef LOCAL_JACK_PROGUARD_FLAGS
+    LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
+endif
+LOCAL_JACK_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_JACK_PROGUARD_FLAGS)
+endif # LOCAL_JACK_ENABLED
+
 ifeq (true,$(EMMA_INSTRUMENT))
 ifndef LOCAL_EMMA_INSTRUMENT
 # No emma for test apks.
-ifeq (,$(filer tests,$(LOCAL_MODULE_TAGS))$(LOCAL_INSTRUMENTATION_FOR))
+ifeq (,$(LOCAL_INSTRUMENTATION_FOR))
 LOCAL_EMMA_INSTRUMENT := true
 endif # No test apk
 endif # LOCAL_EMMA_INSTRUMENT is not set
@@ -175,17 +229,46 @@ endif # EMMA_INSTRUMENT is true
 
 ifeq (true,$(LOCAL_EMMA_INSTRUMENT))
 ifeq (true,$(EMMA_INSTRUMENT_STATIC))
+ifdef LOCAL_JACK_ENABLED
+# Jack supports coverage with Jacoco
+ifneq ($(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),)
+# Only add jacocoagent if the package contains some java code
+LOCAL_STATIC_JAVA_LIBRARIES += jacocoagent
+endif # Contains java code
+else
 LOCAL_STATIC_JAVA_LIBRARIES += emma
+endif # LOCAL_JACK_ENABLED
 else
 ifdef LOCAL_SDK_VERSION
 ifdef TARGET_BUILD_APPS
-# In unbundled build merge the emma library into the apk.
+# In unbundled build, merge the coverage library into the apk.
+ifdef LOCAL_JACK_ENABLED
+# Jack supports coverage with Jacoco
+ifneq ($(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),)
+# Only add jacocoagent if the package contains some java code
+LOCAL_STATIC_JAVA_LIBRARIES += jacocoagent
+# Exclude jacoco classes from proguard
+LOCAL_PROGUARD_FLAGS += -include $(BUILD_SYSTEM)/proguard.jacoco.flags
+LOCAL_JACK_PROGUARD_FLAGS += -include $(BUILD_SYSTEM)/proguard.jacoco.flags
+endif # Contains java code
+else
 LOCAL_STATIC_JAVA_LIBRARIES += emma
+endif # LOCAL_JACK_ENABLED
+else
+# If build against the SDK in full build, core.jar is not used
+# so coverage classes are not present.
+ifdef LOCAL_JACK_ENABLED
+# Jack needs jacoco on the classpath but we do not want it to be in
+# the final apk. While it is a static library, we add it to the
+# LOCAL_JAVA_LIBRARIES which are only present on the classpath.
+# Note: we have nothing to do for proguard since jacoco will be
+# on the classpath only, thus not modified during the compilation.
+LOCAL_JAVA_LIBRARIES += jacocoagent
 else
-# If build against the SDK in full build, core.jar is not used,
-# we have to use prebiult emma.jar to make Proguard happy;
+# We have to use prebuilt emma.jar to make Proguard happy;
 # Otherwise emma classes are included in core.jar.
 LOCAL_PROGUARD_FLAGS += -libraryjars $(EMMA_JAR)
+endif # LOCAL_JACK_ENABLED
 endif # full build
 endif # LOCAL_SDK_VERSION
 endif # EMMA_INSTRUMENT_STATIC
@@ -193,6 +276,24 @@ endif # LOCAL_EMMA_INSTRUMENT
 
 rs_compatibility_jni_libs :=
 
+ifeq ($(LOCAL_DATA_BINDING),true)
+data_binding_intermediates := $(intermediates.COMMON)/data-binding
+
+LOCAL_JAVACFLAGS += -processorpath $(DATA_BINDING_COMPILER) -s $(data_binding_intermediates)/anno-src
+LOCAL_JACK_FLAGS += --processorpath $(DATA_BINDING_COMPILER)
+
+LOCAL_STATIC_JAVA_LIBRARIES += databinding-baselibrary
+LOCAL_STATIC_JAVA_AAR_LIBRARIES += databinding-library databinding-adapters
+
+data_binding_res_in := $(LOCAL_RESOURCE_DIR)
+data_binding_res_out := $(data_binding_intermediates)/res
+
+# Replace with the processed merged res dir.
+LOCAL_RESOURCE_DIR := $(data_binding_res_out)
+
+LOCAL_AAPT_FLAGS += --auto-add-overlay --extra-packages com.android.databinding.library
+endif  # LOCAL_DATA_BINDING
+
 include $(BUILD_SYSTEM)/android_manifest.mk
 
 #################################
@@ -206,7 +307,7 @@ endif
 
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
@@ -214,7 +315,43 @@ $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
 endif
 
+ifeq ($(LOCAL_DATA_BINDING),true)
+data_binding_stamp := $(data_binding_intermediates)/data-binding.stamp
+$(data_binding_stamp): PRIVATE_INTERMEDIATES := $(data_binding_intermediates)
+$(data_binding_stamp): PRIVATE_MANIFEST := $(full_android_manifest)
+# Generate code into $(LOCAL_INTERMEDIATE_SOURCE_DIR) so that the generated .java files
+# will be automatically picked up by function compile-java.
+$(data_binding_stamp): PRIVATE_SRC_OUT := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/data-binding
+$(data_binding_stamp): PRIVATE_XML_OUT := $(data_binding_intermediates)/xml
+$(data_binding_stamp): PRIVATE_RES_OUT := $(data_binding_res_out)
+$(data_binding_stamp): PRIVATE_RES_IN := $(data_binding_res_in)
+$(data_binding_stamp): PRIVATE_ANNO_SRC_DIR := $(data_binding_intermediates)/anno-src
+
+$(data_binding_stamp) : $(all_res_assets) $(full_android_manifest) \
+    $(DATA_BINDING_COMPILER)
+	@echo "Data-binding process: $@"
+	@rm -rf $(PRIVATE_INTERMEDIATES) $(PRIVATE_SRC_OUT) && \
+	  mkdir -p $(PRIVATE_INTERMEDIATES) $(PRIVATE_SRC_OUT) \
+	      $(PRIVATE_XML_OUT) $(PRIVATE_RES_OUT) $(PRIVATE_ANNO_SRC_DIR)
+	$(hide) java -classpath $(DATA_BINDING_COMPILER) android.databinding.tool.MakeCopy \
+	  $(PRIVATE_MANIFEST) $(PRIVATE_SRC_OUT) $(PRIVATE_XML_OUT) $(PRIVATE_RES_OUT) $(PRIVATE_RES_IN)
+	$(hide) touch $@
+
+# Make sure the data-binding process happens before javac and generation of R.java.
+$(R_file_stamp) $(full_classes_compiled_jar) : $(data_binding_stamp)
+# The dependency path when jack is enabled
+$(built_dex_intermediate) : $(data_binding_stamp)
+endif  # LOCAL_DATA_BINDING
+
 ifeq ($(need_compile_res),true)
+ifdef LOCAL_USE_AAPT2
+my_compiled_res_base_dir := $(intermediates)/flat-res
+my_generated_res_dirs := $(rs_generated_res_dir)
+my_generated_res_dirs_deps := $(RenderScript_file_stamp)
+# Add AAPT2 link specific flags.
+$(my_res_package): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --no-static-lib-packages
+include $(BUILD_SYSTEM)/aapt2.mk
+else  # LOCAL_USE_AAPT2
 
 # Since we don't know where the real R.java file is going to end up,
 # we need to use another file to stand in its place.  We'll just
@@ -230,22 +367,9 @@ $(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := \
 $(R_file_stamp): PRIVATE_PROGUARD_OPTIONS_FILE := $(proguard_options_file)
 $(R_file_stamp): $(all_res_assets) $(full_android_manifest) $(RenderScript_file_stamp) $(AAPT) | $(ACP)
 	@echo "target R.java/Manifest.java: $(PRIVATE_MODULE) ($@)"
-	@rm -f $@
+	@rm -rf $@ && mkdir -p $(dir $@)
 	$(create-resource-java-files)
-	$(hide) for GENERATED_MANIFEST_FILE in `find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) \
-					-name Manifest.java 2> /dev/null`; do \
-		dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print $$2;exit}' $$GENERATED_MANIFEST_FILE`; \
-		mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
-		$(ACP) -fp $$GENERATED_MANIFEST_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
-	done;
-	$(hide) for GENERATED_R_FILE in `find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) \
-					-name R.java 2> /dev/null`; do \
-		dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print $$2;exit}' $$GENERATED_R_FILE`; \
-		mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
-		$(ACP) -fp $$GENERATED_R_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir \
-			|| exit 31; \
-		$(ACP) -fp $$GENERATED_R_FILE $@ || exit 32; \
-	done; \
+	$(call find-generated-R.java)
 
 $(proguard_options_file): $(R_file_stamp)
 
@@ -267,10 +391,25 @@ $(resource_export_package): $(all_res_assets) $(full_android_manifest) $(RenderS
 	$(add-assets-to-package)
 endif
 
+endif  # LOCAL_USE_AAPT2
+
 # Other modules should depend on the BUILT module if
 # they want to use this module's R.java file.
 $(LOCAL_BUILT_MODULE): $(R_file_stamp)
 
+ifdef LOCAL_JACK_ENABLED
+ifneq ($(built_dex_intermediate),)
+$(built_dex_intermediate): $(R_file_stamp)
+endif
+ifneq ($(noshrob_classes_jack),)
+$(noshrob_classes_jack): $(R_file_stamp)
+endif
+ifneq ($(full_classes_jack),)
+$(full_classes_jack): $(R_file_stamp)
+$(jack_check_timestamp): $(R_file_stamp)
+endif
+endif # LOCAL_JACK_ENABLED
+
 ifneq ($(full_classes_jar),)
 # If full_classes_jar is non-empty, we're building sources.
 # If we're building sources, the initial javac step (which
@@ -289,7 +428,7 @@ else
 # Most packages should link against the resources defined by framework-res.
 # Even if they don't have their own resources, they may use framework
 # resources.
-ifneq ($(filter-out current system_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_RES_VERSION))),)
+ifneq ($(filter-out current system_current test_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current test_current,$(LOCAL_SDK_RES_VERSION))),)
 # for released sdk versions, the platform resources were built into android.jar.
 framework_res_package_export := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
@@ -297,11 +436,28 @@ framework_res_package_export_deps := $(framework_res_package_export)
 else # LOCAL_SDK_RES_VERSION
 framework_res_package_export := \
     $(call intermediates-dir-for,APPS,framework-res,,COMMON)/package-export.apk
+
+ifneq ($(TARGET_DISABLE_CMSDK), true)
+# Avoid possible circular dependency with our platform-res
+ifneq ($(LOCAL_IGNORE_SUBDIR), true)
+cm_plat_res_package_export := \
+    $(call intermediates-dir-for,APPS,org.cyanogenmod.platform-res,,COMMON)/package-export.apk
+endif # LOCAL_IGNORE_SUBDIR
+endif
+
 # We can't depend directly on the export.apk file; it won't get its
 # PRIVATE_ vars set up correctly if we do.  Instead, depend on the
 # corresponding R.stamp file, which lists the export.apk as a dependency.
 framework_res_package_export_deps := \
     $(dir $(framework_res_package_export))src/R.stamp
+
+ifneq ($(TARGET_DISABLE_CMSDK), true)
+ifneq ($(LOCAL_IGNORE_SUBDIR), true)
+cm_plat_res_package_export_deps := \
+    $(dir $(cm_plat_res_package_export))src/R.stamp
+endif # LOCAL_IGNORE_SUBDIR
+endif
+
 endif # LOCAL_SDK_RES_VERSION
 all_library_res_package_exports := \
     $(framework_res_package_export) \
@@ -313,14 +469,32 @@ all_library_res_package_export_deps := \
     $(foreach lib,$(LOCAL_RES_LIBRARIES),\
         $(call intermediates-dir-for,APPS,$(lib),,COMMON)/src/R.stamp)
 
+ifneq ($(TARGET_DISABLE_CMSDK), true)
+ifneq ($(LOCAL_IGNORE_SUBDIR), true)
+all_library_res_package_exports += \
+    $(cm_plat_res_package_export)
+all_library_res_package_export_deps += \
+    $(cm_plat_res_package_export_deps)
+endif # LOCAL_IGNORE_SUBDIR
+endif
+
 $(resource_export_package) $(R_file_stamp) $(LOCAL_BUILT_MODULE): $(all_library_res_package_export_deps)
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_AAPT_INCLUDES := $(all_library_res_package_exports)
+
+ifdef LOCAL_USE_AAPT2
+$(my_res_package) : $(all_library_res_package_export_deps)
+endif
 endif # LOCAL_NO_STANDARD_LIBRARIES
 
 ifneq ($(full_classes_jar),)
 $(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
+# Use the jarjar processed arhive as the initial package file.
+$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
 $(LOCAL_BUILT_MODULE): $(built_dex)
+else
+$(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE :=
+$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE :=
 endif # full_classes_jar
 
 include $(BUILD_SYSTEM)/install_jni_libs.mk
@@ -359,7 +533,6 @@ $(LOCAL_BUILT_MODULE): PRIVATE_ADDITIONAL_CERTIFICATES := $(foreach c,\
     $(LOCAL_ADDITIONAL_CERTIFICATES), $(c).x509.pem $(c).pk8)
 
 # Define the rule to build the actual package.
-$(LOCAL_BUILT_MODULE): $(AAPT) | $(ZIPALIGN)
 # PRIVATE_JNI_SHARED_LIBRARIES is a list of <abi>:<path_of_built_lib>.
 $(LOCAL_BUILT_MODULE): PRIVATE_JNI_SHARED_LIBRARIES := $(jni_shared_libraries_with_abis)
 # PRIVATE_JNI_SHARED_LIBRARIES_ABI is a list of ABI names.
@@ -369,38 +542,66 @@ ifneq ($(TARGET_BUILD_APPS),)
     LOCAL_AAPT_INCLUDE_ALL_RESOURCES := true
 endif
 ifeq ($(LOCAL_AAPT_INCLUDE_ALL_RESOURCES),true)
-    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG :=
-    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
+    $(my_res_package) $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG :=
+    $(my_res_package) $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
 else
-    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG := $(PRODUCT_AAPT_CONFIG)
+    $(my_res_package) $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG := $(PRODUCT_AAPT_CONFIG)
 ifdef LOCAL_PACKAGE_SPLITS
-    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
+    $(my_res_package) $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
 else
-    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG := $(PRODUCT_AAPT_PREF_CONFIG)
+    $(my_res_package) $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG := $(PRODUCT_AAPT_PREF_CONFIG)
 endif
 endif
-$(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
+$(LOCAL_BUILT_MODULE): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
+$(LOCAL_BUILT_MODULE) : $(jni_shared_libraries)
+ifdef LOCAL_USE_AAPT2
+$(LOCAL_BUILT_MODULE): PRIVATE_RES_PACKAGE := $(my_res_package)
+$(LOCAL_BUILT_MODULE) : $(my_res_package) $(AAPT2) | $(ACP)
+else
+$(LOCAL_BUILT_MODULE) : $(all_res_assets) $(full_android_manifest) $(AAPT)
+endif
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
+ifdef LOCAL_USE_AAPT2
+ifdef LOCAL_JACK_ENABLED
+	$(call copy-file-to-new-target)
+else
+	@# TODO: implement merge-two-packages.
+	$(if $(PRIVATE_SOURCE_ARCHIVE),\
+	  $(call merge-two-packages,$(PRIVATE_RES_PACKAGE) $(PRIVATE_SOURCE_ARCHIVE),$@),
+	  $(call copy-file-to-new-target))
+endif
+else  # LOCAL_USE_AAPT2
+ifdef LOCAL_JACK_ENABLED
 	$(create-empty-package)
+else
+	$(if $(PRIVATE_SOURCE_ARCHIVE),\
+	  $(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@),\
+	  $(create-empty-package))
+endif
 	$(add-assets-to-package)
+endif  # LOCAL_USE_AAPT2
 ifneq ($(jni_shared_libraries),)
 	$(add-jni-shared-libs-to-package)
 endif
-ifneq ($(full_classes_jar),)
+ifeq ($(full_classes_jar),)
+# We don't build jar, need to add the Java resources here.
+	$(if $(PRIVATE_EXTRA_JAR_ARGS),$(call add-java-resources-to,$@))
+else  # full_classes_jar
 	$(add-dex-to-package)
+endif  # full_classes_jar
+ifdef LOCAL_JACK_ENABLED
+	$(add-carried-jack-resources)
 endif
-	$(add-carried-java-resources)
-ifneq ($(extra_jar_args),)
-	$(add-java-resources-to-package)
-endif
-	$(sign-package)
 ifdef LOCAL_DEX_PREOPT
+ifneq ($(BUILD_PLATFORM_ZIP),)
+	@# Keep a copy of apk with classes.dex unstripped
+	$(hide) cp -f $@ $(dir $@)package.dex.apk
+endif  # BUILD_PLATFORM_ZIP
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
 	$(call dexpreopt-remove-classes.dex,$@)
 endif
 endif
-	@# Alignment must happen after all other zip operations.
-	$(align-package)
+	$(sign-package)
 
 ###############################
 ## Build dpi-specific apks, if it's apps_only build.
@@ -435,7 +636,7 @@ built_apk_splits := $(foreach s,$(my_split_suffixes),$(built_module_path)/packag
 installed_apk_splits := $(foreach s,$(my_split_suffixes),$(my_module_path)/$(LOCAL_MODULE)_$(s).apk)
 
 # The splits should have been built in the same command building the base apk.
-# This rule just runs signing and zipalign etc.
+# This rule just runs signing.
 # Note that we explicily check the existence of the split apk and remove the
 # built base apk if the split apk isn't there.
 # That way the build system will rerun the aapt after the user changes the splitting parameters.
@@ -447,7 +648,6 @@ $(built_apk_splits) : $(built_module_path)/%.apk : $(LOCAL_BUILT_MODULE)
 	  rm $<; exit 1; \
 	fi
 	$(sign-package)
-	$(align-package)
 
 # Rules to install the splits
 $(installed_apk_splits) : $(my_module_path)/$(LOCAL_MODULE)_%.apk : $(built_module_path)/package_%.apk | $(ACP)
@@ -461,6 +661,18 @@ ALL_MODULES.$(my_register_name).BUILT_INSTALLED += \
 
 # Make sure to install the splits when you run "make <module_name>".
 $(my_register_name): $(installed_apk_splits)
+
+ifdef LOCAL_COMPATIBILITY_SUITE
+cts_testcase_file := $(foreach s,$(my_split_suffixes),$(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE)_$(s).apk)
+$(cts_testcase_file) : $(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE)_%.apk : $(built_module_path)/package_%.apk | $(ACP)
+	$(copy-file-to-new-target)
+
+COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES := \
+  $(COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES) \
+  $(cts_testcase_file)
+
+$(my_register_name) : $(cts_testcase_file)
+endif # LOCAL_COMPATIBILITY_SUITE
 endif # LOCAL_PACKAGE_SPLITS
 
 # Save information about this package
@@ -472,39 +684,6 @@ endif
 
 PACKAGES := $(PACKAGES) $(LOCAL_PACKAGE_NAME)
 
-# Dist the files that can be bundled in system.img.
-# They include the jni shared libraries and the apk with jni libraries stripped.
-ifeq ($(LOCAL_DIST_BUNDLED_BINARIES),true)
-ifneq ($(filter $(LOCAL_PACKAGE_NAME),$(TARGET_BUILD_APPS)),)
-ifneq ($(strip $(jni_shared_libraries)),)
-dist_subdir := bundled_$(LOCAL_PACKAGE_NAME)
-$(foreach f, $(jni_shared_libraries), \
-  $(call dist-for-goals, apps_only, $(f):$(dist_subdir)/$(notdir $(f))))
-
-apk_jni_stripped := $(intermediates)/jni_stripped/package.apk
-$(apk_jni_stripped): PRIVATE_JNI_SHARED_LIBRARIES := $(notdir $(jni_shared_libraries))
-$(apk_jni_stripped) : $(LOCAL_BUILT_MODULE) | $(ZIPALIGN)
-	@rm -rf $(dir $@) && mkdir -p $(dir $@)
-	$(hide) cp $< $@
-	$(hide) zip -d $@ $(foreach f,$(PRIVATE_JNI_SHARED_LIBRARIES),\*/$(f))
-	$(call align-package)
-
-$(call dist-for-goals, apps_only, $(apk_jni_stripped):$(dist_subdir)/$(LOCAL_PACKAGE_NAME).apk)
-
-endif  # jni_shared_libraries
-endif  # apps_only build
-endif  # LOCAL_DIST_BUNDLED_BINARIES
-
-# Lint phony targets
-.PHONY: lint-$(LOCAL_PACKAGE_NAME)
-lint-$(LOCAL_PACKAGE_NAME): PRIVATE_PATH := $(LOCAL_PATH)
-lint-$(LOCAL_PACKAGE_NAME): PRIVATE_LINT_FLAGS := $(LOCAL_LINT_FLAGS)
-lint-$(LOCAL_PACKAGE_NAME) :
-	@echo lint $(PRIVATE_PATH)
-	$(LINT) $(PRIVATE_LINT_FLAGS) $(PRIVATE_PATH)
-
-lintall : lint-$(LOCAL_PACKAGE_NAME)
-
 endif # skip_definition
 
 # Reset internal variables.
diff --git a/core/pathmap.mk b/core/pathmap.mk
index 0820885a6..803b4d9be 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -16,7 +16,14 @@
 
 #
 # A central place to define mappings to paths, to avoid hard-coding
-# them in Android.mk files.
+# them in Android.mk files. Not meant for header file include directories,
+# despite the fact that it was historically used for that!
+#
+# If you want this for a library's header files, use LOCAL_EXPORT_C_INCLUDES
+# instead. Then users of the library don't have to do anything --- they'll
+# have the correct header files added to their include path automatically.
+#
+
 #
 # TODO: Allow each project to define stuff like this before the per-module
 #       Android.mk files are included, so we don't need to have a big central
@@ -27,23 +34,15 @@
 # A mapping from shorthand names to include directories.
 #
 pathmap_INCL := \
-    bootloader:bootable/bootloader/legacy/include \
     camera:system/media/camera/include \
     frameworks-base:frameworks/base/include \
     frameworks-native:frameworks/native/include \
-    libc:bionic/libc/include \
     libhardware:hardware/libhardware/include \
     libhardware_legacy:hardware/libhardware_legacy/include \
-    libhost:build/libs/host/include \
-    libm:bionic/libm/include \
-    libnativehelper:libnativehelper/include \
-    libpagemap:system/extras/libpagemap/include \
     libril:hardware/ril/include \
-    libstdc++:bionic/libstdc++/include \
-    mkbootimg:system/core/mkbootimg \
     opengl-tests-includes:frameworks/native/opengl/tests/include \
-    recovery:bootable/recovery \
     system-core:system/core/include \
+    audio:system/media/audio/include \
     audio-effects:system/media/audio_effects/include \
     audio-utils:system/media/audio_utils/include \
     audio-route:system/media/audio_route/include \
@@ -63,11 +62,41 @@ define include-path-for
 $(foreach n,$(1),$(patsubst $(n):%,%,$(filter $(n):%,$(pathmap_INCL))))
 endef
 
+# Enter project path into pathmap
+#
+# $(1): name
+# $(2): path
+#
+define project-set-path
+$(eval pathmap_PROJ += $(1):$(2))
+endef
+
+# Enter variant project path into pathmap
+#
+# $(1): name
+# $(2): variable to check
+# $(3): base path
+#
+define project-set-path-variant
+    $(call project-set-path,$(1),$(strip \
+        $(if $($(2)), \
+            $(3)-$($(2)), \
+            $(3))))
+endef
+
+# Returns the path to the requested module's include directory,
+# relative to the root of the source tree.
+#
+# $(1): a list of modules (or other named entities) to find the projects for
+define project-path-for
+$(foreach n,$(1),$(patsubst $(n):%,%,$(filter $(n):%,$(pathmap_PROJ))))
+endef
+
 #
 # Many modules expect to be able to say "#include <jni.h>",
 # so make it easy for them to find the correct path.
 #
-JNI_H_INCLUDE := $(call include-path-for,libnativehelper)/nativehelper
+JNI_H_INCLUDE := libnativehelper/include/nativehelper
 
 #
 # A list of all source roots under frameworks/base, which will be
@@ -87,7 +116,6 @@ FRAMEWORKS_BASE_SUBDIRS := \
 	    sax \
 	    telecomm \
 	    telephony \
-	    phone \
 	    wifi \
 	    keystore \
 	    rs \
@@ -107,16 +135,27 @@ FRAMEWORKS_BASE_JAVA_SRC_DIRS := \
 #
 FRAMEWORKS_SUPPORT_SUBDIRS := \
         annotations \
-        v4 \
+        compat \
+        media-compat \
+        fragment \
+        core-ui \
+        core-utils \
         v7/gridlayout \
-        v7/appcompat \
         v7/cardview \
         v7/mediarouter \
         v7/palette \
-        v7/recyclerview \
         v8/renderscript \
         v13 \
-        v17/leanback
+        v17/leanback \
+        design \
+        percent \
+        recommendation \
+        transition \
+        v7/preference \
+        v14/preference \
+        v17/preference-leanback \
+        documents-archive \
+        customtabs
 
 #
 # A list of all source roots under frameworks/multidex.
@@ -131,13 +170,37 @@ FRAMEWORKS_MULTIDEX_SUBDIRS := \
 #
 FRAMEWORKS_SUPPORT_JAVA_SRC_DIRS := \
 	$(addprefix frameworks/support/,$(FRAMEWORKS_SUPPORT_SUBDIRS)) \
-	$(addprefix frameworks/,$(FRAMEWORKS_MULTIDEX_SUBDIRS))
+	$(addprefix frameworks/,$(FRAMEWORKS_MULTIDEX_SUBDIRS)) \
+        frameworks/support/graphics/drawable/animated \
+        frameworks/support/graphics/drawable/static \
+	frameworks/support/v7/appcompat/src \
+	frameworks/support/v7/recyclerview/src
 
 #
 # A list of support library modules.
 #
 FRAMEWORKS_SUPPORT_JAVA_LIBRARIES := \
     $(foreach dir,$(FRAMEWORKS_SUPPORT_SUBDIRS),android-support-$(subst /,-,$(dir))) \
+    android-support-v4 \
+    android-support-vectordrawable \
+    android-support-animatedvectordrawable \
+    android-support-v7-appcompat \
+    android-support-v7-recyclerview \
     android-support-multidex \
     android-support-multidex-instrumentation
 
+#
+# A list of all documented source roots under frameworks/data-binding.
+#
+FRAMEWORKS_DATA_BINDING_SUBDIRS := \
+        baseLibrary/src/main \
+        extensions/library/src/main \
+        extensions/library/src/doc
+
+#
+# A version of FRAMEWORKS_DATA_BINDING_SUBDIRS that is expanded to full paths from
+# the root of the tree.
+#
+FRAMEWORKS_DATA_BINDING_JAVA_SRC_DIRS := \
+	$(addprefix frameworks/data-binding/,$(FRAMEWORKS_DATA_BINDING_SUBDIRS))
+
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 838754fa8..c0aaacd92 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -1,47 +1,4 @@
 # This file defines the rule to fuse the platform.zip into the current PDK build.
-
-.PHONY: pdk fusion
-pdk fusion: $(DEFAULT_GOAL)
-
-# What to build:
-# pdk fusion if:
-# 1) PDK_FUSION_PLATFORM_ZIP is passed in from the environment
-# or
-# 2) the platform.zip exists in the default location
-# or
-# 3) fusion is a command line build goal,
-#    PDK_FUSION_PLATFORM_ZIP is needed anyway, then do we need the 'fusion' goal?
-# otherwise pdk only if:
-# 1) pdk is a command line build goal
-# or
-# 2) TARGET_BUILD_PDK is passed in from the environment
-
-# if PDK_FUSION_PLATFORM_ZIP is specified, do not override.
-ifndef PDK_FUSION_PLATFORM_ZIP
-# Most PDK project paths should be using vendor/pdk/TARGET_DEVICE
-# but some legacy ones (e.g. mini_armv7a_neon generic PDK) were setup
-# with vendor/pdk/TARGET_PRODUCT.
-_pdk_fusion_default_platform_zip = $(wildcard \
-vendor/pdk/$(TARGET_DEVICE)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip \
-vendor/pdk/$(TARGET_DEVICE)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip \
-vendor/pdk/$(TARGET_PRODUCT)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip \
-vendor/pdk/$(TARGET_PRODUCT)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip)
-ifneq (,$(_pdk_fusion_default_platform_zip))
-PDK_FUSION_PLATFORM_ZIP := $(word 1, $(_pdk_fusion_default_platform_zip))
-TARGET_BUILD_PDK := true
-$(info $(PDK_FUSION_PLATFORM_ZIP) found, do a PDK fusion build.)
-endif # _pdk_fusion_default_platform_zip
-endif # !PDK_FUSION_PLATFORM_ZIP
-
-ifneq (,$(filter pdk fusion, $(MAKECMDGOALS)))
-TARGET_BUILD_PDK := true
-ifneq (,$(filter fusion, $(MAKECMDGOALS)))
-ifndef PDK_FUSION_PLATFORM_ZIP
-  $(error Specify PDK_FUSION_PLATFORM_ZIP to do a PDK fusion.)
-endif
-endif  # fusion
-endif  # pdk or fusion
-
 PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR :=
 PDK_PLATFORM_JAVA_ZIP_JAVA_HOST_LIB_DIR := \
 	host/common/obj/JAVA_LIBRARIES/bouncycastle-host_intermediates
@@ -52,18 +9,21 @@ ifneq (,$(filter platform-java, $(MAKECMDGOALS))$(PDK_FUSION_PLATFORM_ZIP))
 # For these dirs, add classes.jar and javalib.jar from the dir to platform.zip
 # all paths under out dir
 PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR += \
-	target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates \
-	target/common/obj/JAVA_LIBRARIES/core-libart_intermediates \
-	target/common/obj/JAVA_LIBRARIES/core-junit_intermediates \
-	target/common/obj/JAVA_LIBRARIES/ext_intermediates \
-	target/common/obj/JAVA_LIBRARIES/framework_intermediates \
-	target/common/obj/JAVA_LIBRARIES/android.test.runner_intermediates \
-	target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates \
-	target/common/obj/JAVA_LIBRARIES/voip-common_intermediates \
-	target/common/obj/JAVA_LIBRARIES/ims-common_intermediates \
-	target/common/obj/JAVA_LIBRARIES/mms-common_intermediates \
-	target/common/obj/JAVA_LIBRARIES/android-ex-camera2_intermediates \
-	target/common/obj/JAVA_LIBRARIES/android-common_intermediates \
+  target/common/obj/JAVA_LIBRARIES/android.test.runner_intermediates \
+  target/common/obj/JAVA_LIBRARIES/android-common_intermediates \
+  target/common/obj/JAVA_LIBRARIES/android-ex-camera2_intermediates \
+  target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates \
+  target/common/obj/JAVA_LIBRARIES/bouncycastle_intermediates \
+  target/common/obj/JAVA_LIBRARIES/conscrypt_intermediates \
+  target/common/obj/JAVA_LIBRARIES/core-oj_intermediates \
+  target/common/obj/JAVA_LIBRARIES/core-libart_intermediates \
+  target/common/obj/JAVA_LIBRARIES/core-junit_intermediates \
+  target/common/obj/JAVA_LIBRARIES/ext_intermediates \
+  target/common/obj/JAVA_LIBRARIES/framework_intermediates \
+  target/common/obj/JAVA_LIBRARIES/ims-common_intermediates \
+  target/common/obj/JAVA_LIBRARIES/okhttp_intermediates \
+  target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates \
+  target/common/obj/JAVA_LIBRARIES/voip-common_intermediates \
 
 # not java libraries
 PDK_PLATFORM_JAVA_ZIP_CONTENTS += \
@@ -76,7 +36,9 @@ PDK_PLATFORM_JAVA_ZIP_JAVA_LIB_DIR := \
 	$(PDK_PLATFORM_JAVA_ZIP_JAVA_HOST_LIB_DIR)
 
 PDK_PLATFORM_JAVA_ZIP_CONTENTS += $(foreach lib_dir,$(PDK_PLATFORM_JAVA_ZIP_JAVA_LIB_DIR),\
-    $(lib_dir)/classes.jar $(lib_dir)/javalib.jar)
+    $(lib_dir)/classes.jack $(lib_dir)/classes.jar $(lib_dir)/classes.jar.toc \
+    $(lib_dir)/javalib.jar  $(lib_dir)/classes*.dex \
+    $(lib_dir)/classes.dex.toc )
 
 # check and override java support level
 ifneq ($(TARGET_BUILD_PDK)$(PDK_FUSION_PLATFORM_ZIP),)
@@ -89,11 +51,6 @@ endif
 endif # PDK
 
 ifdef PDK_FUSION_PLATFORM_ZIP
-TARGET_BUILD_PDK := true
-ifeq (,$(wildcard $(PDK_FUSION_PLATFORM_ZIP)))
-  $(error Cannot find file $(PDK_FUSION_PLATFORM_ZIP).)
-endif
-
 _pdk_fusion_intermediates := $(call intermediates-dir-for, PACKAGING, pdk_fusion)
 _pdk_fusion_stamp := $(_pdk_fusion_intermediates)/pdk_fusion.stamp
 
@@ -147,10 +104,8 @@ PDK_FUSION_OUT_DIR := $(DEBUG_OUT_DIR)
 endif
 
 define JAVA_dependency_template
-$(PDK_FUSION_OUT_DIR)/$(strip $(1)): $(_pdk_fusion_intermediates)/$(strip $(1)) \
-  $(PDK_FUSION_OUT_DIR)/$(strip $(2)) $(_pdk_fusion_stamp)
-	@mkdir -p $$(dir $$@)
-	$(hide) cp -fpPR $$< $$@
+$(call add-dependency,$(PDK_FUSION_OUT_DIR)/$(strip $(1)),\
+  $(foreach d,$(filter $(2),$(_pdk_fusion_java_file_list)),$(PDK_FUSION_OUT_DIR)/$(d)))
 endef
 
 # needs explicit dependency as package-export.apk is not explicitly pulled
@@ -163,6 +118,14 @@ $(foreach lib_dir,$(PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR),\
 $(eval $(call JAVA_dependency_template,$(lib_dir)/javalib.jar,\
 $(lib_dir)/classes.jar)))
 
+# pull .jack and .dex files
+$(foreach lib_dir,$(PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR),\
+  $(eval $(call JAVA_dependency_template,$(lib_dir)/classes.jar.toc,\
+    $(lib_dir)/classes.jar $(lib_dir)/classes.jack)))
+$(foreach lib_dir,$(PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR),\
+  $(eval $(call JAVA_dependency_template,$(lib_dir)/classes.dex.toc,\
+    $(lib_dir)/classes.jar $(lib_dir)/classes.jack $(lib_dir)/classes%.dex)))
+
 # implicit rules for all other target files
 $(TARGET_COMMON_OUT_ROOT)/% : $(_pdk_fusion_intermediates)/target/common/% $(_pdk_fusion_stamp)
 	@mkdir -p $(dir $@)
diff --git a/core/pdk_fusion_modules.mk b/core/pdk_fusion_modules.mk
new file mode 100644
index 000000000..49b30dc72
--- /dev/null
+++ b/core/pdk_fusion_modules.mk
@@ -0,0 +1,78 @@
+# Auto-generate module defitions from platform.zip.
+# We use these rules to rebuild .odex files of the .jar/.apk inside the platform.zip.
+#
+
+pdk_dexpreopt_config_mk := $(TARGET_OUT_INTERMEDIATES)/pdk_dexpreopt_config.mk
+
+$(shell rm -f $(pdk_dexpreopt_config_mk) && mkdir -p $(dir $(pdk_dexpreopt_config_mk)) && \
+        unzip -qo $(PDK_FUSION_PLATFORM_ZIP) -d $(dir $(pdk_dexpreopt_config_mk)) pdk_dexpreopt_config.mk 2>/dev/null)
+
+-include $(pdk_dexpreopt_config_mk)
+
+# Define a PDK prebuilt module that comes from platform.zip.
+# Must be called with $(eval)
+define prebuilt-pdk-java-module
+include $(CLEAR_VARS)
+LOCAL_MODULE:=$(1)
+LOCAL_MODULE_CLASS:=$(2)
+# Use LOCAL_PREBUILT_MODULE_FILE instead of LOCAL_SRC_FILES so we don't need to deal with LOCAL_PATH.
+LOCAL_PREBUILT_MODULE_FILE:=$(3)
+LOCAL_DEX_PREOPT:=$(4)
+LOCAL_MULTILIB:=$(5)
+LOCAL_DEX_PREOPT_FLAGS:=$(6)
+LOCAL_BUILT_MODULE_STEM:=$(7)
+LOCAL_MODULE_SUFFIX:=$(suffix $(7))
+LOCAL_PRIVILEGED_MODULE:=$(8)
+LOCAL_PROPRIETARY_MODULE:=$(9)
+LOCAL_MODULE_TARGET_ARCH:=$(10)
+LOCAL_REPLACE_PREBUILT_APK_INSTALLED:=$(11)
+LOCAL_CERTIFICATE:=PRESIGNED
+include $(BUILD_PREBUILT)
+
+# The source prebuilts are extracted in the rule of _pdk_fusion_stamp.
+# Use a touch rule to establish the dependency.
+$(3) $(11) : $(_pdk_fusion_stamp)
+	$(hide) if [ ! -f $$@ ]; then \
+	  echo 'Error: $$@ does not exist. Check your platform.zip.' 1>&2; \
+	  exit 1; \
+	fi
+	$(hide) touch $$@
+endef
+
+# We don't have a LOCAL_PATH for the auto-generated modules, so let it be the $(BUILD_SYSTEM).
+LOCAL_PATH := $(BUILD_SYSTEM)
+
+##### Java libraries.
+# Only set up rules for modules that aren't built from source.
+pdk_prebuilt_libraries := $(foreach l,$(PDK.DEXPREOPT.JAVA_LIBRARIES),\
+  $(if $(MODULE.TARGET.JAVA_LIBRARIES.$(l)),,$(l)))
+
+$(foreach l,$(pdk_prebuilt_libraries), $(eval \
+  $(call prebuilt-pdk-java-module,\
+    $(l),\
+    JAVA_LIBRARIES,\
+    $(_pdk_fusion_intermediates)/$(PDK.DEXPREOPT.$(l).SRC),\
+    $(PDK.DEXPREOPT.$(l).DEX_PREOPT),\
+    $(PDK.DEXPREOPT.$(l).MULTILIB),\
+    $(PDK.DEXPREOPT.$(l).DEX_PREOPT_FLAGS),\
+    javalib.jar,\
+    )))
+
+###### Apps.
+pdk_prebuilt_apps := $(foreach a,$(PDK.DEXPREOPT.APPS),\
+  $(if $(MODULE.TARGET.APPS.$(a)),,$(a)))
+
+$(foreach a,$(pdk_prebuilt_apps), $(eval \
+  $(call prebuilt-pdk-java-module,\
+    $(a),\
+    APPS,\
+    $(_pdk_fusion_intermediates)/$(PDK.DEXPREOPT.$(a).SRC),\
+    $(PDK.DEXPREOPT.$(a).DEX_PREOPT),\
+    $(PDK.DEXPREOPT.$(a).MULTILIB),\
+    $(PDK.DEXPREOPT.$(a).DEX_PREOPT_FLAGS),\
+    package.apk,\
+    $(PDK.DEXPREOPT.$(a).PRIVILEGED_MODULE),\
+    $(PDK.DEXPREOPT.$(a).PROPRIETARY_MODULE),\
+    $(PDK.DEXPREOPT.$(a).TARGET_ARCH),\
+    $(_pdk_fusion_intermediates)/$(PDK.DEXPREOPT.$(a).STRIPPED_SRC),\
+    )))
diff --git a/core/phony_package.mk b/core/phony_package.mk
index b5343352f..866b13c8e 100644
--- a/core/phony_package.mk
+++ b/core/phony_package.mk
@@ -7,7 +7,7 @@ LOCAL_MODULE_SUFFIX := -timestamp
 
 include $(BUILD_SYSTEM)/base_rules.mk
 
-$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(LOCAL_BUILT_MODULE): $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(hide) echo "Fake: $@"
 	$(hide) mkdir -p $(dir $@)
 	$(hide) touch $@
diff --git a/core/post_clean.mk b/core/post_clean.mk
index 0273ff207..f08abff1d 100644
--- a/core/post_clean.mk
+++ b/core/post_clean.mk
@@ -54,27 +54,30 @@ current_package_overlay_config :=
 current_all_packages_config :=
 
 #######################################################
-# Check if we need to delete obsolete aidl-generated java files.
-# When an aidl file gets deleted (or renamed), the generated java file is obsolete.
-previous_aidl_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/previous_aidl_config.mk
-current_aidl_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/current_aidl_config.mk
+# Check if we need to delete obsolete generated java files.
+# When an aidl/proto/etc file gets deleted (or renamed), the generated java file is obsolete.
+previous_gen_java_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/previous_gen_java_config.mk
+current_gen_java_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/current_gen_java_config.mk
 
-$(shell rm -rf $(current_aidl_config) \
-  && mkdir -p $(dir $(current_aidl_config))\
-  && touch $(current_aidl_config))
--include $(previous_aidl_config)
+$(shell rm -rf $(current_gen_java_config) \
+  && mkdir -p $(dir $(current_gen_java_config))\
+  && touch $(current_gen_java_config))
+-include $(previous_gen_java_config)
 
 intermediates_to_clean :=
-modules_with_aidl_files :=
+modules_with_gen_java_files :=
 $(foreach p, $(ALL_MODULES), \
-  $(if $(ALL_MODULES.$(p).AIDL_FILES),\
-    $(eval modules_with_aidl_files += $(p))\
-    $(shell echo 'AIDL_FILES.$(p) := $(ALL_MODULES.$(p).AIDL_FILES)' >> $(current_aidl_config)))\
-  $(if $(filter-out $(ALL_MODULES.$(p).AIDL_FILES),$(AIDL_FILES.$(p))),\
+  $(eval gs := $(strip $(ALL_MODULES.$(p).AIDL_FILES)\
+                       $(ALL_MODULES.$(p).PROTO_FILES)\
+                       $(ALL_MODULES.$(p).RS_FILES)))\
+  $(if $(gs),\
+    $(eval modules_with_gen_java_files += $(p))\
+    $(shell echo 'GEN_SRC_FILES.$(p) := $(gs)' >> $(current_gen_java_config)))\
+  $(if $(filter-out $(gs),$(GEN_SRC_FILES.$(p))),\
     $(eval intermediates_to_clean += $(ALL_MODULES.$(p).INTERMEDIATE_SOURCE_DIR))))
 intermediates_to_clean := $(strip $(intermediates_to_clean))
 ifdef intermediates_to_clean
-$(info *** Obsolete aidl-generated files detected, clean intermediate files...)
+$(info *** Obsolete generated java files detected, clean intermediate files...)
 $(info *** rm -rf $(intermediates_to_clean))
 $(shell rm -rf $(intermediates_to_clean))
 intermediates_to_clean :=
@@ -82,15 +85,15 @@ endif
 
 # For modules not loaded by the current build (e.g. you are running mm/mmm),
 # we copy the info from the previous bulid.
-$(foreach p, $(filter-out $(ALL_MODULES),$(MODULES_WITH_AIDL_FILES)),\
-  $(shell echo 'AIDL_FILES.$(p) := $(AIDL_FILES.$(p))' >> $(current_aidl_config)))
-MODULES_WITH_AIDL_FILES := $(sort $(MODULES_WITH_AIDL_FILES) $(modules_with_aidl_files))
-$(shell echo 'MODULES_WITH_AIDL_FILES := $(MODULES_WITH_AIDL_FILES)' >> $(current_aidl_config))
+$(foreach p, $(filter-out $(ALL_MODULES),$(MODULES_WITH_GEN_JAVA_FILES)),\
+  $(shell echo 'GEN_SRC_FILES.$(p) := $(GEN_SRC_FILES.$(p))' >> $(current_gen_java_config)))
+MODULES_WITH_GEN_JAVA_FILES := $(sort $(MODULES_WITH_GEN_JAVA_FILES) $(modules_with_gen_java_files))
+$(shell echo 'MODULES_WITH_GEN_JAVA_FILES := $(MODULES_WITH_GEN_JAVA_FILES)' >> $(current_gen_java_config))
 
 # Now current becomes previous.
-$(shell mv -f $(current_aidl_config) $(previous_aidl_config))
+$(shell cmp $(current_gen_java_config) $(previous_gen_java_config) > /dev/null 2>&1 || mv -f $(current_gen_java_config) $(previous_gen_java_config))
 
-MODULES_WITH_AIDL_FILES :=
-modules_with_aidl_files :=
-previous_aidl_config :=
-current_aidl_config :=
+MODULES_WITH_GEN_JAVA_FILES :=
+modules_with_gen_java_files :=
+previous_gen_java_config :=
+current_gen_java_config :=
diff --git a/core/prebuilt.mk b/core/prebuilt.mk
index ba0e7574a..428922b08 100644
--- a/core/prebuilt.mk
+++ b/core/prebuilt.mk
@@ -8,6 +8,7 @@
 
 ifdef LOCAL_IS_HOST_MODULE
   my_prefix := HOST_
+  LOCAL_HOST_PREFIX :=
 else
   my_prefix := TARGET_
 endif
@@ -25,6 +26,10 @@ include $(BUILD_SYSTEM)/prebuilt_internal.mk
 ifneq ($(my_module_multilib),both)
 my_skip_non_preferred_arch := true
 endif # $(my_module_multilib)
+# For apps, we don't want to set up the prebuilt apk rule twice even if "LOCAL_MULTILIB := both".
+ifeq (APPS,$(LOCAL_MODULE_CLASS))
+my_skip_non_preferred_arch := true
+endif
 endif # $(my_module_arch_supported)
 
 ifndef my_skip_non_preferred_arch
@@ -37,9 +42,6 @@ ifeq ($(my_module_arch_supported),true)
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 include $(BUILD_SYSTEM)/prebuilt_internal.mk
 endif # $(my_module_arch_supported)
@@ -48,4 +50,39 @@ endif # $(my_skip_non_preferred_arch) not true
 
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 
+ifdef LOCAL_IS_HOST_MODULE
+ifdef HOST_CROSS_OS
+ifneq (,$(filter EXECUTABLES STATIC_LIBRARIES SHARED_LIBRARIES,$(LOCAL_MODULE_CLASS)))
+my_prefix := HOST_CROSS_
+LOCAL_HOST_PREFIX := $(my_prefix)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+# host cross compilation is supported
+OVERRIDE_BUILT_MODULE_PATH :=
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+include $(BUILD_SYSTEM)/prebuilt_internal.mk
+endif
+LOCAL_HOST_PREFIX :=
+endif
+
+ifdef HOST_CROSS_2ND_ARCH
+my_prefix := HOST_CROSS_
+LOCAL_2ND_ARCH_VAR_PREFIX := $($(my_prefix)2ND_ARCH_VAR_PREFIX)
+LOCAL_HOST_PREFIX := $(my_prefix)
+include $(BUILD_SYSTEM)/module_arch_supported.mk
+ifeq ($(my_module_arch_supported),true)
+OVERRIDE_BUILT_MODULE_PATH :=
+LOCAL_BUILT_MODULE :=
+LOCAL_INSTALLED_MODULE :=
+LOCAL_INTERMEDIATE_TARGETS :=
+include $(BUILD_SYSTEM)/prebuilt_internal.mk
+endif
+LOCAL_HOST_PREFIX :=
+LOCAL_2ND_ARCH_VAR_PREFIX :=
+endif
+endif
+endif
+
 my_module_arch_supported :=
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index bc6088fa2..507ef2281 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -26,19 +26,42 @@ ifdef LOCAL_PREBUILT_MODULE_FILE
 else
   ifdef LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
     my_prebuilt_src_file := $(LOCAL_PATH)/$(LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+    LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) :=
   else
     ifdef LOCAL_SRC_FILES_$(my_32_64_bit_suffix)
       my_prebuilt_src_file := $(LOCAL_PATH)/$(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
+      LOCAL_SRC_FILES_$(my_32_64_bit_suffix) :=
     else
       my_prebuilt_src_file := $(LOCAL_PATH)/$(LOCAL_SRC_FILES)
+      LOCAL_SRC_FILES :=
     endif
   endif
 endif
 
+my_strip_module := $(firstword \
+  $(LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
+  $(LOCAL_STRIP_MODULE))
+my_pack_module_relocations := $(firstword \
+  $(LOCAL_PACK_MODULE_RELOCATIONS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
+  $(LOCAL_PACK_MODULE_RELOCATIONS))
+
 ifeq (SHARED_LIBRARIES,$(LOCAL_MODULE_CLASS))
   # Put the built targets of all shared libraries in a common directory
   # to simplify the link line.
   OVERRIDE_BUILT_MODULE_PATH := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)
+  ifeq ($(LOCAL_IS_HOST_MODULE)$(my_strip_module),)
+    # Strip but not try to add debuglink
+    my_strip_module := no_debuglink
+  endif
+
+  ifeq ($(LOCAL_IS_HOST_MODULE)$(my_pack_module_relocations),)
+    # Do not pack relocations by default
+    my_pack_module_relocations := false
+  endif
+
+  ifeq ($(DISABLE_RELOCATION_PACKER),true)
+    my_pack_module_relocations := false
+  endif
 endif
 
 ifneq ($(filter STATIC_LIBRARIES SHARED_LIBRARIES,$(LOCAL_MODULE_CLASS)),)
@@ -54,31 +77,43 @@ ifeq (STATIC_LIBRARIES,$(LOCAL_MODULE_CLASS))
 endif
 endif
 
+ifeq (JAVA_LIBRARIES,$(LOCAL_IS_HOST_MODULE)$(LOCAL_MODULE_CLASS)$(filter true,$(LOCAL_UNINSTALLABLE_MODULE)))
+  prebuilt_module_is_dex_javalib := true
+else
+  prebuilt_module_is_dex_javalib :=
+endif
+
 ifeq ($(LOCAL_MODULE_CLASS),APPS)
 LOCAL_BUILT_MODULE_STEM := package.apk
+ifndef LOCAL_INSTALLED_MODULE_STEM
 LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE).apk
 endif
+endif
 
-ifeq ($(LOCAL_STRIP_MODULE),true)
+ifneq ($(filter true no_debuglink,$(my_strip_module) $(my_pack_module_relocations)),)
   ifdef LOCAL_IS_HOST_MODULE
-    $(error Cannot strip host module LOCAL_PATH=$(LOCAL_PATH))
+    $(error Cannot strip/pack host module LOCAL_PATH=$(LOCAL_PATH))
   endif
   ifeq ($(filter SHARED_LIBRARIES EXECUTABLES,$(LOCAL_MODULE_CLASS)),)
-    $(error Can strip only shared libraries or executables LOCAL_PATH=$(LOCAL_PATH))
+    $(error Can strip/pack only shared libraries or executables LOCAL_PATH=$(LOCAL_PATH))
   endif
   ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
-    $(error Cannot strip scripts LOCAL_PATH=$(LOCAL_PATH))
+    $(error Cannot strip/pack scripts LOCAL_PATH=$(LOCAL_PATH))
   endif
+  # Set the arch-specific variables to set up the strip/pack rules.
+  LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) := $(my_strip_module)
+  LOCAL_PACK_MODULE_RELOCATIONS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) := $(my_pack_module_relocations)
   include $(BUILD_SYSTEM)/dynamic_binary.mk
   built_module := $(linked_module)
-else  # LOCAL_STRIP_MODULE not true
+
+else  # my_strip_module and my_pack_module_relocations not true
   include $(BUILD_SYSTEM)/base_rules.mk
   built_module := $(LOCAL_BUILT_MODULE)
 
 ifdef prebuilt_module_is_a_library
 export_includes := $(intermediates)/export_includes
 $(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE)
+$(export_includes) : $(LOCAL_MODULE_MAKEFILE_DEP)
 	@echo Export includes file: $< -- $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef LOCAL_EXPORT_C_INCLUDE_DIRS
@@ -96,24 +131,31 @@ endif  # prebuilt_module_is_a_library
 # of the shared libraries are determined.
 ifdef LOCAL_INSTALLED_MODULE
 ifdef LOCAL_SHARED_LIBRARIES
+my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
+# Extra shared libraries introduced by LOCAL_CXX_STL.
+include $(BUILD_SYSTEM)/cxx_stl_setup.mk
 $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
-  $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(LOCAL_SHARED_LIBRARIES))
+  $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(my_shared_libraries))
 
 # We also need the LOCAL_BUILT_MODULE dependency,
 # since we use -rpath-link which points to the built module's path.
-built_shared_libraries := \
+my_built_shared_libraries := \
     $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
     $(addsuffix $($(my_prefix)SHLIB_SUFFIX), \
-        $(LOCAL_SHARED_LIBRARIES)))
-$(LOCAL_BUILT_MODULE) : $(built_shared_libraries)
+        $(my_shared_libraries)))
+$(LOCAL_BUILT_MODULE) : $(my_built_shared_libraries)
 endif
 endif
 
-endif  # LOCAL_STRIP_MODULE not true
+# We need to enclose the above export_includes and my_built_shared_libraries in
+# "my_strip_module not true" because otherwise the rules are defined in dynamic_binary.mk.
+endif  # my_strip_module not true
 
 ifeq ($(LOCAL_MODULE_CLASS),APPS)
 PACKAGES.$(LOCAL_MODULE).OVERRIDES := $(strip $(LOCAL_OVERRIDES_PACKAGES))
 
+my_extract_apk := $(strip $(LOCAL_EXTRACT_APK))
+
 # Select dpi-specific source
 ifdef LOCAL_DPI_VARIANTS
 my_dpi := $(firstword $(filter $(LOCAL_DPI_VARIANTS),$(PRODUCT_AAPT_PREF_CONFIG) $(PRODUCT_AAPT_PREBUILT_DPI)))
@@ -124,9 +166,27 @@ else
 my_prebuilt_dpi_file_stem := $(LOCAL_MODULE)_%.apk
 endif
 my_prebuilt_src_file := $(dir $(my_prebuilt_src_file))$(subst %,$(my_dpi),$(my_prebuilt_dpi_file_stem))
+
+ifneq ($(strip $(LOCAL_EXTRACT_DPI_APK)),)
+my_extract_apk := $(subst %,$(my_dpi),$(LOCAL_EXTRACT_DPI_APK))
+endif  # LOCAL_EXTRACT_DPI_APK
 endif  # my_dpi
 endif  # LOCAL_DPI_VARIANTS
 
+ifdef my_extract_apk
+my_extracted_apk := $(intermediates)/extracted.apk
+
+$(my_extracted_apk): PRIVATE_EXTRACT := $(my_extract_apk)
+$(my_extracted_apk): $(my_prebuilt_src_file)
+	@echo Extract APK: $@
+	$(hide) mkdir -p $(dir $@) && rm -f $@
+	$(hide) unzip -p $< $(PRIVATE_EXTRACT) >$@
+
+my_prebuilt_src_file := $(my_extracted_apk)
+my_extracted_apk :=
+my_extract_apk :=
+endif
+
 rs_compatibility_jni_libs :=
 include $(BUILD_SYSTEM)/install_jni_libs.mk
 
@@ -171,29 +231,65 @@ else
 endif
 
 # Disable dex-preopt of prebuilts to save space, if requested.
+ifndef LOCAL_DEX_PREOPT
 ifeq ($(DONT_DEXPREOPT_PREBUILTS),true)
 LOCAL_DEX_PREOPT := false
 endif
+endif
+
+# Disable dex-preopt of specific prebuilts to save space, if requested.
+ifneq ($(filter $(DEXPREOPT_BLACKLIST),$(LOCAL_MODULE)),)
+LOCAL_DEX_PREOPT := false
+endif
 
 #######################################
 # defines built_odex along with rule to install odex
 include $(BUILD_SYSTEM)/dex_preopt_odex_install.mk
 #######################################
+ifneq ($(LOCAL_REPLACE_PREBUILT_APK_INSTALLED),)
+# There is a replacement for the prebuilt .apk we can install without any processing.
+$(built_module) : $(LOCAL_REPLACE_PREBUILT_APK_INSTALLED) | $(ACP)
+	$(transform-prebuilt-to-target)
+
+else  # ! LOCAL_REPLACE_PREBUILT_APK_INSTALLED
 # Sign and align non-presigned .apks.
-$(built_module) : $(my_prebuilt_src_file) | $(ACP) $(ZIPALIGN) $(SIGNAPK_JAR)
+# The embedded prebuilt jni to uncompress.
+ifeq ($(LOCAL_CERTIFICATE),PRESIGNED)
+# For PRESIGNED apks we must uncompress every .so file:
+# even if the .so file isn't for the current TARGET_ARCH,
+# we can't strip the file.
+embedded_prebuilt_jni_libs := 'lib/*.so'
+endif
+ifndef embedded_prebuilt_jni_libs
+# No LOCAL_PREBUILT_JNI_LIBS, uncompress all.
+embedded_prebuilt_jni_libs := 'lib/*.so'
+endif
+$(built_module): PRIVATE_EMBEDDED_JNI_LIBS := $(embedded_prebuilt_jni_libs)
+
+$(built_module) : $(my_prebuilt_src_file) | $(ACP) $(ZIPALIGN) $(SIGNAPK_JAR) $(AAPT)
 	$(transform-prebuilt-to-target)
-ifdef extracted_jni_libs
-	$(hide) zip -d $@ 'lib/*.so'  # strip embedded JNI libraries.
+ifneq ($(LOCAL_MODULE_PATH),$(TARGET_OUT_VENDOR)/bundled-app)
+	$(uncompress-shared-libs)
 endif
+ifdef LOCAL_DEX_PREOPT
+ifneq ($(BUILD_PLATFORM_ZIP),)
+	@# Keep a copy of apk with classes.dex unstripped
+	$(hide) cp -f $@ $(dir $@)package.dex.apk
+endif  # BUILD_PLATFORM_ZIP
+endif  # LOCAL_DEX_PREOPT
 ifneq ($(LOCAL_CERTIFICATE),PRESIGNED)
-	$(sign-package)
-endif
+	@# Only strip out files if we can re-sign the package.
 ifdef LOCAL_DEX_PREOPT
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
 	$(call dexpreopt-remove-classes.dex,$@)
-endif
-endif
+endif  # LOCAL_DEX_PREOPT != nostripping
+endif  # LOCAL_DEX_PREOPT
+	$(sign-package)
+	# No need for align-package because sign-package takes care of alignment
+else  # LOCAL_CERTIFICATE == PRESIGNED
 	$(align-package)
+endif  # LOCAL_CERTIFICATE
+endif  # ! LOCAL_REPLACE_PREBUILT_APK_INSTALLED
 
 ###############################
 ## Rule to build the odex file
@@ -209,7 +305,7 @@ ifdef LOCAL_PACKAGE_SPLITS
 built_apk_splits := $(addprefix $(built_module_path)/,$(notdir $(LOCAL_PACKAGE_SPLITS)))
 installed_apk_splits := $(addprefix $(my_module_path)/,$(notdir $(LOCAL_PACKAGE_SPLITS)))
 
-# Rules to sign and zipalign the split apks.
+# Rules to sign the split apks.
 my_src_dir := $(sort $(dir $(LOCAL_PACKAGE_SPLITS)))
 ifneq (1,$(words $(my_src_dir)))
 $(error You must put all the split source apks in the same folder: $(LOCAL_PACKAGE_SPLITS))
@@ -218,10 +314,9 @@ my_src_dir := $(LOCAL_PATH)/$(my_src_dir)
 
 $(built_apk_splits) : PRIVATE_PRIVATE_KEY := $(LOCAL_CERTIFICATE).pk8
 $(built_apk_splits) : PRIVATE_CERTIFICATE := $(LOCAL_CERTIFICATE).x509.pem
-$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk | $(ACP)
+$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk | $(ACP) $(AAPT)
 	$(copy-file-to-new-target)
 	$(sign-package)
-	$(align-package)
 
 # Rules to install the split apks.
 $(installed_apk_splits) : $(my_module_path)/%.apk : $(built_module_path)/%.apk | $(ACP)
@@ -239,56 +334,155 @@ $(my_register_name): $(installed_apk_splits)
 endif # LOCAL_PACKAGE_SPLITS
 
 else # LOCAL_MODULE_CLASS != APPS
+ifeq ($(prebuilt_module_is_dex_javalib),true)
+# This is a target shared library, i.e. a jar with classes.dex.
+#######################################
+# defines built_odex along with rule to install odex
+include $(BUILD_SYSTEM)/dex_preopt_odex_install.mk
+#######################################
+ifdef LOCAL_DEX_PREOPT
+ifneq ($(dexpreopt_boot_jar_module),) # boot jar
+# boot jar's rules are defined in dex_preopt.mk
+dexpreopted_boot_jar := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(dexpreopt_boot_jar_module)_nodex.jar
+$(built_module) : $(dexpreopted_boot_jar) | $(ACP)
+	$(call copy-file-to-target)
+
+# For libart boot jars, we don't have .odex files.
+else # ! boot jar
+$(built_odex): PRIVATE_MODULE := $(LOCAL_MODULE)
+# Use pattern rule - we may have multiple built odex files.
+$(built_odex) : $(dir $(LOCAL_BUILT_MODULE))% : $(my_prebuilt_src_file)
+	@echo "Dexpreopt Jar: $(PRIVATE_MODULE) ($@)"
+	$(call dexpreopt-one-file,$<,$@)
+
+$(built_module) : $(my_prebuilt_src_file) | $(ACP)
+	$(call copy-file-to-target)
+ifneq (nostripping,$(LOCAL_DEX_PREOPT))
+	$(call dexpreopt-remove-classes.dex,$@)
+endif
+endif # boot jar
+else # ! LOCAL_DEX_PREOPT
+$(built_module) : $(my_prebuilt_src_file) | $(ACP)
+	$(call copy-file-to-target)
+endif # LOCAL_DEX_PREOPT
+
+else  # ! prebuilt_module_is_dex_javalib
 ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
 $(built_module) : $(my_prebuilt_src_file)
 	$(transform-prebuilt-to-target-strip-comments)
-else
+ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
+	$(hide) chmod +x $@
+endif
+else ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
 $(built_module) : $(my_prebuilt_src_file) | $(ACP)
 	$(transform-prebuilt-to-target)
-ifneq ($(prebuilt_module_is_a_library),)
-  ifneq ($(LOCAL_IS_HOST_MODULE),)
-	$(transform-host-ranlib-copy-hack)
-  else
-	$(transform-ranlib-copy-hack)
-  endif
+ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
+	$(hide) chmod +x $@
 endif
+else
+$(built_module) : $(my_prebuilt_src_file)
+	$(copy-file-to-target-with-cp)
+ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
+	$(hide) chmod +x $@
 endif
+endif
+endif # ! prebuilt_module_is_dex_javalib
 endif # LOCAL_MODULE_CLASS != APPS
 
-ifeq ($(LOCAL_IS_HOST_MODULE)$(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
+ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
+my_src_jar := $(my_prebuilt_src_file)
+ifeq ($(LOCAL_IS_HOST_MODULE),)
 # for target java libraries, the LOCAL_BUILT_MODULE is in a product-specific dir,
 # while the deps should be in the common dir, so we make a copy in the common dir.
-# For nonstatic library, $(common_javalib_jar) is the dependency file,
-# while $(common_classes_jar) is used to link.
 common_classes_jar := $(intermediates.COMMON)/classes.jar
 common_javalib_jar := $(intermediates.COMMON)/javalib.jar
 
 $(common_classes_jar) $(common_javalib_jar): PRIVATE_MODULE := $(LOCAL_MODULE)
 
-ifneq ($(filter %.aar, $(my_prebuilt_src_file)),)
+ifeq ($(prebuilt_module_is_dex_javalib),true)
+# For prebuilt shared Java library we don't have classes.jar.
+$(common_javalib_jar) : $(my_src_jar) | $(ACP)
+	$(transform-prebuilt-to-target)
+
+else  # ! prebuilt_module_is_dex_javalib
+
+my_src_aar := $(filter %.aar, $(my_prebuilt_src_file))
+ifneq ($(my_src_aar),)
 # This is .aar file, archive of classes.jar and Android resources.
 my_src_jar := $(intermediates.COMMON)/aar/classes.jar
 
-$(my_src_jar) : $(my_prebuilt_src_file)
+$(my_src_jar) : $(my_src_aar)
 	$(hide) rm -rf $(dir $@) && mkdir -p $(dir $@)
 	$(hide) unzip -qo -d $(dir $@) $<
 	# Make sure the extracted classes.jar has a new timestamp.
 	$(hide) touch $@
 
-else
-# This is jar file.
-my_src_jar := $(my_prebuilt_src_file)
 endif
+
 $(common_classes_jar) : $(my_src_jar) | $(ACP)
 	$(transform-prebuilt-to-target)
 
 $(common_javalib_jar) : $(common_classes_jar) | $(ACP)
 	$(transform-prebuilt-to-target)
 
+$(call define-jar-to-toc-rule, $(common_classes_jar))
+
+ifdef LOCAL_USE_AAPT2
+ifneq ($(my_src_aar),)
+my_res_package := $(intermediates.COMMON)/package-res.apk
+
+# We needed only very few PRIVATE variables and aapt2.mk input variables. Reset the unnecessary ones.
+$(my_res_package): PRIVATE_AAPT2_CFLAGS :=
+$(my_res_package): PRIVATE_ANDROID_MANIFEST := $(intermediates.COMMON)/aar/AndroidManifest.xml
+$(my_res_package): PRIVATE_AAPT_INCLUDES :=
+$(my_res_package): PRIVATE_SOURCE_INTERMEDIATES_DIR :=
+$(my_res_package): PRIVATE_PROGUARD_OPTIONS_FILE :=
+$(my_res_package): PRIVATE_DEFAULT_APP_TARGET_SDK :=
+$(my_res_package): PRIVATE_DEFAULT_APP_TARGET_SDK :=
+$(my_res_package): PRIVATE_PRODUCT_AAPT_CONFIG :=
+$(my_res_package): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
+$(my_res_package): PRIVATE_TARGET_AAPT_CHARACTERISTICS :=
+
+full_android_manifest :=
+my_res_resources :=
+my_overlay_resources :=
+my_compiled_res_base_dir :=
+R_file_stamp :=
+proguard_options_file :=
+my_generated_res_dirs := $(intermediates.COMMON)/aar/res
+my_generated_res_dirs_deps := $(my_src_jar)
+include $(BUILD_SYSTEM)/aapt2.mk
+
+# Make sure my_res_package is created when you run mm/mmm.
+$(built_module) : $(my_res_package)
+endif  # $(my_src_aar)
+endif  # LOCAL_USE_AAPT2
 # make sure the classes.jar and javalib.jar are built before $(LOCAL_BUILT_MODULE)
 $(built_module) : $(common_javalib_jar)
-endif # TARGET JAVA_LIBRARIES
 
-$(built_module) : $(LOCAL_ADDITIONAL_DEPENDENCIES)
+endif # ! prebuilt_module_is_dex_javalib
+endif # LOCAL_IS_HOST_MODULE is not set
+
+ifneq ($(prebuilt_module_is_dex_javalib),true)
+ifneq ($(LOCAL_JILL_FLAGS),)
+$(error LOCAL_JILL_FLAGS is not supported any more, please use jack options in LOCAL_JACK_FLAGS instead)
+endif
+
+# We may be building classes.jack from a host jar for host dalvik Java library.
+$(intermediates.COMMON)/classes.jack : PRIVATE_JACK_FLAGS:=$(LOCAL_JACK_FLAGS)
+$(intermediates.COMMON)/classes.jack : PRIVATE_JACK_MIN_SDK_VERSION := 1
+$(intermediates.COMMON)/classes.jack : $(my_src_jar) $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK) | setup-jack-server
+	$(transform-jar-to-jack)
+
+# Update timestamps of .toc files for prebuilts so dependents will be
+# always rebuilt.
+$(intermediates.COMMON)/classes.dex.toc: $(intermediates.COMMON)/classes.jack
+	touch $@
+
+endif # ! prebuilt_module_is_dex_javalib
+endif # JAVA_LIBRARIES
+
+$(built_module) : $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 
 my_prebuilt_src_file :=
diff --git a/core/tasks/product-graph.mk b/core/product-graph.mk
similarity index 95%
rename from core/tasks/product-graph.mk
rename to core/product-graph.mk
index fcec27775..2b9bfbb08 100644
--- a/core/tasks/product-graph.mk
+++ b/core/product-graph.mk
@@ -34,7 +34,7 @@ define all-products-inner
 endef
 
 
-this_makefile := build/core/tasks/product-graph.mk
+this_makefile := build/core/product-graph.mk
 
 products_svg := $(OUT_DIR)/products.svg
 products_pdf := $(OUT_DIR)/products.pdf
@@ -61,7 +61,7 @@ define emit-product-node-props
 $(hide) echo \"$(1)\" [ \
 label=\"$(dir $(1))\\n$(notdir $(1))\\n\\n$(subst $(close_parenthesis),,$(subst $(open_parethesis),,$(PRODUCTS.$(strip $(1)).PRODUCT_MODEL)))\\n$(PRODUCTS.$(strip $(1)).PRODUCT_DEVICE)\" \
 $(if $(filter $(1),$(PRIVATE_PRODUCTS_FILTER)), style=\"filled\" fillcolor=\"#FFFDB0\",) \
-fontcolor=\"darkblue\" href=\"products/$(1).html\" \
+colorscheme=\"svg\" fontcolor=\"darkblue\" href=\"products/$(1).html\" \
 ] >> $(2)
 
 endef
@@ -105,11 +105,11 @@ $(OUT_DIR)/products/$(strip $(1)).txt: $(this_makefile)
 	$(hide) echo 'PRODUCT_DEFAULT_PROPERTY_OVERRIDES=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_PROPERTY_OVERRIDES)' >> $$@
 	$(hide) echo 'PRODUCT_CHARACTERISTICS=$$(PRODUCTS.$(strip $(1)).PRODUCT_CHARACTERISTICS)' >> $$@
 	$(hide) echo 'PRODUCT_COPY_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_COPY_FILES)' >> $$@
+	$(hide) echo 'PRODUCT_COPY_FILES_OVERRIDES=$$(PRODUCTS.$(strip $(1)).PRODUCT_COPY_FILES_OVERRIDES)' >> $$@
 	$(hide) echo 'PRODUCT_OTA_PUBLIC_KEYS=$$(PRODUCTS.$(strip $(1)).PRODUCT_OTA_PUBLIC_KEYS)' >> $$@
 	$(hide) echo 'PRODUCT_EXTRA_RECOVERY_KEYS=$$(PRODUCTS.$(strip $(1)).PRODUCT_EXTRA_RECOVERY_KEYS)' >> $$@
 	$(hide) echo 'PRODUCT_PACKAGE_OVERLAYS=$$(PRODUCTS.$(strip $(1)).PRODUCT_PACKAGE_OVERLAYS)' >> $$@
 	$(hide) echo 'DEVICE_PACKAGE_OVERLAYS=$$(PRODUCTS.$(strip $(1)).DEVICE_PACKAGE_OVERLAYS)' >> $$@
-	$(hide) echo 'PRODUCT_TAGS=$$(PRODUCTS.$(strip $(1)).PRODUCT_TAGS)' >> $$@
 	$(hide) echo 'PRODUCT_SDK_ADDON_NAME=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_NAME)' >> $$@
 	$(hide) echo 'PRODUCT_SDK_ADDON_COPY_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_COPY_FILES)' >> $$@
 	$(hide) echo 'PRODUCT_SDK_ADDON_COPY_MODULES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_COPY_MODULES)' >> $$@
@@ -117,7 +117,6 @@ $(OUT_DIR)/products/$(strip $(1)).txt: $(this_makefile)
 	$(hide) echo 'PRODUCT_DEFAULT_WIFI_CHANNELS=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_WIFI_CHANNELS)' >> $$@
 	$(hide) echo 'PRODUCT_DEFAULT_DEV_CERTIFICATE=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_DEV_CERTIFICATE)' >> $$@
 	$(hide) echo 'PRODUCT_RESTRICT_VENDOR_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_RESTRICT_VENDOR_FILES)' >> $$@
-	$(hide) echo 'PRODUCT_FACTORY_RAMDISK_MODULES=$$(PRODUCTS.$(strip $(1)).PRODUCT_FACTORY_RAMDISK_MODULES)' >> $$@
 	$(hide) echo 'PRODUCT_VENDOR_KERNEL_HEADERS=$$(PRODUCTS.$(strip $(1)).PRODUCT_VENDOR_KERNEL_HEADERS)' >> $$@
 
 $(call product-debug-filename, $(p)): \
diff --git a/core/product.mk b/core/product.mk
index f0fc92102..fe9ff835f 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -23,13 +23,21 @@
 # and the .mk suffix) of the product makefile, "<product_name>:" can be
 # omitted.
 
+# Search for AndroidProducts.mks in the given dir.
+# $(1): the path to the dir
+define _search-android-products-files-in-dir
+$(sort $(shell test -d $(1) && find -L $(1) \
+  -maxdepth 6 \
+  -name .git -prune \
+  -o -name AndroidProducts.mk -print))
+endef
+
 #
 # Returns the list of all AndroidProducts.mk files.
 # $(call ) isn't necessary.
 #
 define _find-android-products-files
-$(shell test -d device && find device -maxdepth 6 -name AndroidProducts.mk) \
-  $(shell test -d vendor && find vendor -maxdepth 6 -name AndroidProducts.mk) \
+$(foreach d, device vendor product,$(call _search-android-products-files-in-dir,$(d))) \
   $(SRC_TARGET_DIR)/product/AndroidProducts.mk
 endef
 
@@ -65,6 +73,7 @@ endef
 #
 
 _product_var_list := \
+    PRODUCT_BUILD_PROP_OVERRIDES \
     PRODUCT_NAME \
     PRODUCT_MODEL \
     PRODUCT_LOCALES \
@@ -82,11 +91,11 @@ _product_var_list := \
     PRODUCT_DEFAULT_PROPERTY_OVERRIDES \
     PRODUCT_CHARACTERISTICS \
     PRODUCT_COPY_FILES \
+    PRODUCT_COPY_FILES_OVERRIDES \
     PRODUCT_OTA_PUBLIC_KEYS \
     PRODUCT_EXTRA_RECOVERY_KEYS \
     PRODUCT_PACKAGE_OVERLAYS \
     DEVICE_PACKAGE_OVERLAYS \
-    PRODUCT_TAGS \
     PRODUCT_SDK_ATREE_FILES \
     PRODUCT_SDK_ADDON_NAME \
     PRODUCT_SDK_ADDON_COPY_FILES \
@@ -97,21 +106,27 @@ _product_var_list := \
     PRODUCT_DEFAULT_DEV_CERTIFICATE \
     PRODUCT_RESTRICT_VENDOR_FILES \
     PRODUCT_VENDOR_KERNEL_HEADERS \
-    PRODUCT_FACTORY_RAMDISK_MODULES \
-    PRODUCT_FACTORY_BUNDLE_MODULES \
-    PRODUCT_RUNTIMES \
     PRODUCT_BOOT_JARS \
+    PRODUCT_SUPPORTS_BOOT_SIGNER \
+    PRODUCT_SUPPORTS_VBOOT \
     PRODUCT_SUPPORTS_VERITY \
+    PRODUCT_SUPPORTS_VERITY_FEC \
     PRODUCT_OEM_PROPERTIES \
     PRODUCT_SYSTEM_PROPERTY_BLACKLIST \
     PRODUCT_SYSTEM_SERVER_JARS \
+    PRODUCT_VBOOT_SIGNING_KEY \
+    PRODUCT_VBOOT_SIGNING_SUBKEY \
     PRODUCT_VERITY_SIGNING_KEY \
     PRODUCT_SYSTEM_VERITY_PARTITION \
     PRODUCT_VENDOR_VERITY_PARTITION \
-    PRODUCT_DEX_PREOPT_IMAGE_IN_DATA \
     PRODUCT_DEX_PREOPT_MODULE_CONFIGS \
     PRODUCT_DEX_PREOPT_DEFAULT_FLAGS \
     PRODUCT_DEX_PREOPT_BOOT_FLAGS \
+    PRODUCT_SANITIZER_MODULE_CONFIGS \
+    PRODUCT_SYSTEM_BASE_FS_PATH \
+    PRODUCT_VENDOR_BASE_FS_PATH \
+    PRODUCT_SHIPPING_API_LEVEL \
+
 
 
 define dump-product
@@ -125,24 +140,73 @@ define dump-products
 $(foreach p,$(PRODUCTS),$(call dump-product,$(p)))
 endef
 
+#
+# Internal function. Appends inherited product variables to an existing one.
+#
+# $(1): Product variable to operate on
+# $(2): Value to append
+#
+define inherit-product_append-var
+  $(if $(findstring ../,$(2)),\
+    $(eval np := $(call normalize-paths,$(2))),\
+    $(eval np := $(strip $(2))))\
+  $(eval $(1) := $($(1)) $(INHERIT_TAG)$(np))
+endef
+
+#
+# Internal function. Prepends inherited product variables to an existing one.
+#
+# $(1): Product variable to operate on
+# $(2): Value to prepend
+#
+define inherit-product_prepend-var
+  $(eval $(1) := $(INHERIT_TAG)$(strip $(2)) $($(1)))
+endef
+
+#
+# Internal function. Tracks visited notes during inheritance resolution.
+#
+# $(1): Product being inherited
+#
+define inherit-product_track-node
+  $(if $(findstring ../,$(1)),\
+    $(eval np := $(call normalize-paths,$(1))),\
+    $(eval np := $(strip $(1))))\
+  $(eval inherit_var := \
+      PRODUCTS.$(strip $(word 1,$(_include_stack))).INHERITS_FROM) \
+  $(eval $(inherit_var) := $(sort $($(inherit_var)) $(np))) \
+  $(eval inherit_var:=) \
+  $(eval ALL_PRODUCTS := $(sort $(ALL_PRODUCTS) $(word 1,$(_include_stack))))
+endef
+
 #
 # $(1): product to inherit
 #
 # Does three things:
-#  1. Inherits all of the variables from $1.
+#  1. Inherits all of the variables from $1, prioritizing existing settings.
 #  2. Records the inheritance in the .INHERITS_FROM variable
 #  3. Records that we've visited this node, in ALL_PRODUCTS
 #
+
 define inherit-product
   $(foreach v,$(_product_var_list), \
-      $(eval $(v) := $($(v)) $(INHERIT_TAG)$(strip $(1)))) \
-  $(eval inherit_var := \
-      PRODUCTS.$(strip $(word 1,$(_include_stack))).INHERITS_FROM) \
-  $(eval $(inherit_var) := $(sort $($(inherit_var)) $(strip $(1)))) \
-  $(eval inherit_var:=) \
-  $(eval ALL_PRODUCTS := $(sort $(ALL_PRODUCTS) $(word 1,$(_include_stack))))
+      $(call inherit-product_append-var,$(v),$(1))) \
+  $(call inherit-product_track-node,$(1))
 endef
 
+#
+# $(1): product to inherit
+#
+# Does three things:
+#  1. Inherits all of the variables from $1, prioritizing inherited settings.
+#  2. Records the inheritance in the .INHERITS_FROM variable
+#  3. Records that we've visited this node, in ALL_PRODUCTS
+#
+define prepend-product
+  $(foreach v,$(_product_var_list), \
+      $(call inherit-product_prepend-var,$(v),$(1))) \
+  $(call inherit-product_track-node,$(1))
+endef
 
 #
 # Do inherit-product only if $(1) exists
@@ -151,6 +215,13 @@ define inherit-product-if-exists
   $(if $(wildcard $(1)),$(call inherit-product,$(1)),)
 endef
 
+#
+# Do inherit-product-prepend only if $(1) exists
+#
+define prepend-product-if-exists
+  $(if $(wildcard $(1)),$(call prepend-product,$(1)),)
+endef
+
 #
 # $(1): product makefile list
 #
@@ -234,16 +305,13 @@ _product_stash_var_list := $(_product_var_list) \
 	TARGET_DEVICE_KERNEL_HEADERS \
 	TARGET_PRODUCT_KERNEL_HEADERS \
 	TARGET_BOOTLOADER_BOARD_NAME \
-	TARGET_COMPRESS_MODULE_SYMBOLS \
 	TARGET_NO_BOOTLOADER \
 	TARGET_NO_KERNEL \
 	TARGET_NO_RECOVERY \
 	TARGET_NO_RADIOIMAGE \
 	TARGET_HARDWARE_3D \
-	TARGET_PROVIDES_INIT_RC \
 	TARGET_CPU_ABI \
 	TARGET_CPU_ABI2 \
-	TARGET_CPU_SMP \
 
 
 _product_stash_var_list += \
@@ -258,6 +326,7 @@ _product_stash_var_list += \
 	BOARD_BOOTIMAGE_PARTITION_SIZE \
 	BOARD_RECOVERYIMAGE_PARTITION_SIZE \
 	BOARD_SYSTEMIMAGE_PARTITION_SIZE \
+	BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE \
 	BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE \
 	BOARD_USERDATAIMAGE_PARTITION_SIZE \
 	BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE \
@@ -273,6 +342,11 @@ _product_stash_var_list += \
 	WITH_DEXPREOPT \
 	WITH_DEXPREOPT_BOOT_IMG_ONLY
 
+_product_stash_var_list += \
+	GLOBAL_CFLAGS_NO_OVERRIDE \
+	GLOBAL_CPPFLAGS_NO_OVERRIDE \
+	GLOBAL_CLANG_CFLAGS_NO_OVERRIDE \
+
 #
 # Stash values of the variables in _product_stash_var_list.
 # $(1): Renamed prefix
@@ -315,3 +389,14 @@ $(eval _c := $(subst $(space),$(_PDPMC_SP_PLACE_HOLDER),$(strip $(2))))\
 $(eval PRODUCT_DEX_PREOPT_MODULE_CONFIGS += \
   $(foreach m,$(1),$(m)=$(_c)))
 endef
+
+# whitespace placeholder when we record module's sanitizer config.
+_PSMC_SP_PLACE_HOLDER := |@SP@|
+# Set up sanitizer config for a module.
+# $(1) list of module names
+# $(2) the modules' sanitizer config
+define add-product-sanitizer-module-config
+$(eval _c := $(subst $(space),$(_PSMC_SP_PLACE_HOLDER),$(strip $(2))))\
+$(eval PRODUCT_SANITIZER_MODULE_CONFIGS += \
+  $(foreach m,$(1),$(m)=$(_c)))
+endef
diff --git a/core/product_config.mk b/core/product_config.mk
index e7fa75ef5..fe57ef385 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -74,7 +74,7 @@ endif
 ###########################################################
 
 define find-copy-subdir-files
-$(shell find $(2) -name "$(1)" | $(SED_EXTENDED) "s:($(2)/?(.*)):\\1\\:$(3)/\\2:" | sed "s://:/:g")
+$(sort $(shell find $(2) -name "$(1)" -type f | $(SED_EXTENDED) "s:($(2)/?(.*)):\\1\\:$(3)/\\2:" | sed "s://:/:g"))
 endef
 
 # ---------------------------------------------------------------
@@ -117,7 +117,7 @@ ifdef product_goals
   # which really means TARGET_PRODUCT=dream make installclean.
   ifneq ($(filter-out $(INTERNAL_VALID_VARIANTS),$(TARGET_BUILD_VARIANT)),)
     MAKECMDGOALS := $(MAKECMDGOALS) $(TARGET_BUILD_VARIANT)
-    TARGET_BUILD_VARIANT := eng
+    TARGET_BUILD_VARIANT := userdebug
     default_goal_substitution :=
   else
     default_goal_substitution := $(DEFAULT_GOAL)
@@ -149,7 +149,7 @@ endif
 unbundled_goals := $(strip $(filter APP-%,$(MAKECMDGOALS)))
 ifdef unbundled_goals
   ifneq ($(words $(unbundled_goals)),1)
-    $(error Only one APP-* goal may be specified; saw "$(unbundled_goals)"))
+    $(error Only one APP-* goal may be specified; saw "$(unbundled_goals)")
   endif
   TARGET_BUILD_APPS := $(strip $(subst -, ,$(patsubst APP-%,%,$(unbundled_goals))))
   ifneq ($(filter $(DEFAULT_GOAL),$(MAKECMDGOALS)),)
@@ -179,16 +179,26 @@ include $(BUILD_SYSTEM)/node_fns.mk
 include $(BUILD_SYSTEM)/product.mk
 include $(BUILD_SYSTEM)/device.mk
 
-ifneq ($(strip $(TARGET_BUILD_APPS)),)
-# An unbundled app build needs only the core product makefiles.
-all_product_configs := $(call get-product-makefiles,\
-    $(SRC_TARGET_DIR)/product/AndroidProducts.mk)
+# A CM build needs only the CM product makefiles.
+ifneq ($(CM_BUILD),)
+  all_product_configs := $(shell find device -path "*/$(CM_BUILD)/lineage.mk")
+  ifeq ($(all_product_configs),)
+    # Fall back to cm.mk
+    all_product_configs := $(shell find device -path "*/$(CM_BUILD)/cm.mk")
+  endif
 else
-# Read in all of the product definitions specified by the AndroidProducts.mk
-# files in the tree.
-all_product_configs := $(get-all-product-makefiles)
-endif
+  ifneq ($(strip $(TARGET_BUILD_APPS)),)
+  # An unbundled app build needs only the core product makefiles.
+  all_product_configs := $(call get-product-makefiles,\
+      $(SRC_TARGET_DIR)/product/AndroidProducts.mk)
+  else
+    # Read in all of the product definitions specified by the AndroidProducts.mk
+    # files in the tree.
+    all_product_configs := $(get-all-product-makefiles)
+  endif # TARGET_BUILD_APPS
+endif # CM_BUILD
 
+ifeq ($(CM_BUILD),)
 # Find the product config makefile for the current product.
 # all_product_configs consists items like:
 # <product_name>:<path_to_the_product_makefile>
@@ -207,19 +217,36 @@ $(foreach f, $(all_product_configs),\
         $(eval all_product_makefiles += $(f))\
         $(if $(filter $(TARGET_PRODUCT),$(basename $(notdir $(f)))),\
             $(eval current_product_makefile += $(f)),)))
+
 _cpm_words :=
 _cpm_word1 :=
 _cpm_word2 :=
+else
+    current_product_makefile := $(strip $(all_product_configs))
+    all_product_makefiles := $(strip $(all_product_configs))
+endif
 current_product_makefile := $(strip $(current_product_makefile))
 all_product_makefiles := $(strip $(all_product_makefiles))
 
-ifneq (,$(filter product-graph dump-products, $(MAKECMDGOALS)))
+load_all_product_makefiles :=
+ifneq (,$(filter product-graph, $(MAKECMDGOALS)))
+ifeq ($(ANDROID_PRODUCT_GRAPH),--all)
+load_all_product_makefiles := true
+endif
+endif
+ifneq (,$(filter dump-products,$(MAKECMDGOALS)))
+ifeq ($(ANDROID_DUMP_PRODUCTS),all)
+load_all_product_makefiles := true
+endif
+endif
+
+ifeq ($(load_all_product_makefiles),true)
 # Import all product makefiles.
 $(call import-products, $(all_product_makefiles))
 else
 # Import just the current product.
 ifndef current_product_makefile
-$(error Can not locate config makefile for product "$(TARGET_PRODUCT)")
+$(error Cannot locate config makefile for product "$(TARGET_PRODUCT)")
 endif
 ifneq (1,$(words $(current_product_makefile)))
 $(error Product "$(TARGET_PRODUCT)" ambiguous: matches $(current_product_makefile))
@@ -247,36 +274,6 @@ all_product_makefiles :=
 all_product_configs :=
 
 
-#############################################################################
-# TODO: Remove this hack once only 1 runtime is left.
-# Include the runtime product makefile based on the product's PRODUCT_RUNTIMES
-$(call clear-var-list, $(_product_var_list))
-
-# Set PRODUCT_RUNTIMES, allowing buildspec to override using OVERRIDE_RUNTIMES
-product_runtimes := $(sort $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RUNTIMES))
-ifneq ($(OVERRIDE_RUNTIMES),)
-  $(info Overriding PRODUCT_RUNTIMES=$(product_runtimes) with $(OVERRIDE_RUNTIMES))
-  product_runtimes := $(OVERRIDE_RUNTIMES)
-endif
-$(foreach runtime, $(product_runtimes), $(eval include $(SRC_TARGET_DIR)/product/$(runtime).mk))
-$(foreach v, $(_product_var_list), $(if $($(v)),\
-    $(eval PRODUCTS.$(INTERNAL_PRODUCT).$(v) += $(sort $($(v))))))
-
-$(call clear-var-list, $(_product_var_list))
-# Now we can assign to PRODUCT_RUNTIMES
-PRODUCT_RUNTIMES := $(product_runtimes)
-product_runtimes :=
-
-PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PROPERTY_OVERRIDES += persist.sys.dalvik.vm.lib.2=$(DALVIK_VM_LIB)
-
-ifeq ($(words $(PRODUCT_RUNTIMES)),1)
-  # If we only have one runtime, we can strip classes.dex by default during dex_preopt
-  DEX_PREOPT_DEFAULT := true
-else
-  # If we have more than one, we leave the classes.dex alone for post-boot analysis
-  DEX_PREOPT_DEFAULT := nostripping
-endif
-
 #############################################################################
 
 # A list of module names of BOOTCLASSPATH (jar files)
@@ -317,9 +314,11 @@ PRODUCT_AAPT_CONFIG := \
 
 # product-scoped aapt flags
 PRODUCT_AAPT_FLAGS :=
+PRODUCT_AAPT2_CFLAGS :=
 ifneq ($(filter en_XA ar_XB,$(PRODUCT_LOCALES)),)
-# Force generating resources for pseudo-locales.
-PRODUCT_AAPT_FLAGS += --pseudo-localize
+  # Force generating resources for pseudo-locales.
+  PRODUCT_AAPT2_CFLAGS += --pseudo-localize
+  PRODUCT_AAPT_FLAGS += --pseudo-localize
 endif
 
 PRODUCT_BRAND := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_BRAND))
@@ -362,26 +361,48 @@ endif
 PRODUCT_COPY_FILES := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_COPY_FILES))
 
+# We might want to skip items listed in PRODUCT_COPY_FILES for
+# various reasons. This is useful for replacing a binary module with one
+# built from source. This should be a list of destination files under $OUT
+PRODUCT_COPY_FILES_OVERRIDES := \
+	$(addprefix %:, $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_COPY_FILES_OVERRIDES)))
+
+ifneq ($(PRODUCT_COPY_FILES_OVERRIDES),)
+    PRODUCT_COPY_FILES := $(filter-out $(PRODUCT_COPY_FILES_OVERRIDES), $(PRODUCT_COPY_FILES))
+endif
+
+.PHONY: listcopies
+listcopies:
+	@echo "Copy files: $(PRODUCT_COPY_FILES)"
+	@echo "Overrides: $(PRODUCT_COPY_FILES_OVERRIDES)"
+
+
 # A list of property assignments, like "key = value", with zero or more
 # whitespace characters on either side of the '='.
 PRODUCT_PROPERTY_OVERRIDES := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PROPERTY_OVERRIDES))
 
+PRODUCT_SHIPPING_API_LEVEL := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SHIPPING_API_LEVEL))
+ifdef PRODUCT_SHIPPING_API_LEVEL
+ADDITIONAL_BUILD_PROPERTIES += \
+    ro.product.first_api_level=$(PRODUCT_SHIPPING_API_LEVEL)
+endif
+
 # A list of property assignments, like "key = value", with zero or more
 # whitespace characters on either side of the '='.
 # used for adding properties to default.prop
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEFAULT_PROPERTY_OVERRIDES))
 
+PRODUCT_BUILD_PROP_OVERRIDES := \
+	$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_BUILD_PROP_OVERRIDES))
+
 # Should we use the default resources or add any product specific overlays
 PRODUCT_PACKAGE_OVERLAYS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGE_OVERLAYS))
 DEVICE_PACKAGE_OVERLAYS := \
         $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).DEVICE_PACKAGE_OVERLAYS))
 
-# An list of whitespace-separated words.
-PRODUCT_TAGS := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_TAGS))
-
 # The list of product-specific kernel header dirs
 PRODUCT_VENDOR_KERNEL_HEADERS := \
     $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VENDOR_KERNEL_HEADERS)
@@ -401,15 +422,11 @@ PRODUCT_OTA_PUBLIC_KEYS := $(sort \
 PRODUCT_EXTRA_RECOVERY_KEYS := $(sort \
     $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_EXTRA_RECOVERY_KEYS))
 
-# If there is no room in /system for the image, place it in /data
-PRODUCT_DEX_PREOPT_IMAGE_IN_DATA := \
-    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_IMAGE_IN_DATA))
-
 PRODUCT_DEX_PREOPT_DEFAULT_FLAGS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_DEFAULT_FLAGS))
 PRODUCT_DEX_PREOPT_BOOT_FLAGS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_BOOT_FLAGS))
-# Resolve and setup per-module dex-preopot configs.
+# Resolve and setup per-module dex-preopt configs.
 PRODUCT_DEX_PREOPT_MODULE_CONFIGS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_MODULE_CONFIGS))
 # If a module has multiple setups, the first takes precedence.
@@ -422,3 +439,17 @@ $(foreach c,$(PRODUCT_DEX_PREOPT_MODULE_CONFIGS),\
     $(eval cf := $(subst $(_PDPMC_SP_PLACE_HOLDER),$(space),$(cf)))\
     $(eval DEXPREOPT.$(TARGET_PRODUCT).$(m).CONFIG := $(cf))))
 _pdpmc_modules :=
+
+# Resolve and setup per-module sanitizer configs.
+PRODUCT_SANITIZER_MODULE_CONFIGS := \
+    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SANITIZER_MODULE_CONFIGS))
+# If a module has multiple setups, the first takes precedence.
+_psmc_modules :=
+$(foreach c,$(PRODUCT_SANITIZER_MODULE_CONFIGS),\
+  $(eval m := $(firstword $(subst =,$(space),$(c))))\
+  $(if $(filter $(_psmc_modules),$(m)),,\
+    $(eval _psmc_modules += $(m))\
+    $(eval cf := $(patsubst $(m)=%,%,$(c)))\
+    $(eval cf := $(subst $(_PSMC_SP_PLACE_HOLDER),$(space),$(cf)))\
+    $(eval SANITIZER.$(TARGET_PRODUCT).$(m).CONFIG := $(cf))))
+_psmc_modules :=
diff --git a/core/proguard.flags b/core/proguard.flags
index 0641627e5..6ed1f9b3b 100644
--- a/core/proguard.flags
+++ b/core/proguard.flags
@@ -10,9 +10,9 @@
 #-flattenpackagehierarchy
 
 # Keep classes and methods that have the guava @VisibleForTesting annotation
--keep @com.google.common.annotations.VisibleForTesting class *
+-keep @**.VisibleForTesting class *
 -keepclassmembers class * {
-@com.google.common.annotations.VisibleForTesting *;
+@**.VisibleForTesting *;
 }
 
 -include proguard_basic_keeps.flags
diff --git a/core/proguard.jacoco.flags b/core/proguard.jacoco.flags
new file mode 100644
index 000000000..c3bed9435
--- /dev/null
+++ b/core/proguard.jacoco.flags
@@ -0,0 +1,8 @@
+# Keep everything for the emma classes
+-keep class com.vladium.** {
+  *;
+}
+# Keep everything for the jacoco classes
+-keep class org.jacoco.** {
+  *;
+}
diff --git a/core/proguard_basic_keeps.flags b/core/proguard_basic_keeps.flags
index 4a85db0f8..4de52219a 100644
--- a/core/proguard_basic_keeps.flags
+++ b/core/proguard_basic_keeps.flags
@@ -40,6 +40,11 @@
     java.lang.Object readResolve();
 }
 
+# Keep Throwable's constructor that takes a String argument.
+-keepclassmembers class * extends java.lang.Throwable {
+  <init>(java.lang.String);
+}
+
 # Please specify classes to be kept explicitly in your package's configuration.
 # -keep class * extends android.app.Activity
 # -keep class * extends android.view.View
@@ -58,7 +63,12 @@
 # Don't warn about those in case this app is linking against an older
 # platform version.  We know about them, and they are safe.
 # See proguard-android.txt in the SDK package.
--dontwarn android.support.**
+#
+# DO NOT USE THIS: We figured it's dangerous to blindly ignore all support library warnings.
+# ProGuard may strip members of subclass of unknown super classes, in case an app is linking against
+# LOCAL_SDK_VERSION lower than the support library's LOCAL_SDK_VERSION.
+# See bug/20658265.
+# -dontwarn android.support.**
 
 # Less spammy.
 -dontnote
diff --git a/core/raw_executable.mk b/core/raw_executable.mk
deleted file mode 100644
index b64173a69..000000000
--- a/core/raw_executable.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-LOCAL_MODULE_CLASS := EXECUTABLES
-LOCAL_MODULE_SUFFIX := 
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-
-include $(BUILD_SYSTEM)/binary.mk
-
-$(LOCAL_BUILT_MODULE) : PRIVATE_ELF_FILE := $(intermediates)/$(PRIVATE_MODULE).elf
-$(LOCAL_BUILT_MODULE) : PRIVATE_LIBS := `$(TARGET_CC) -mthumb-interwork -print-libgcc-file-name`
-
-$(all_objects) : PRIVATE_TARGET_PROJECT_INCLUDES :=
-$(all_objects) : PRIVATE_TARGET_C_INCLUDES :=
-$(all_objects) : PRIVATE_TARGET_GLOBAL_CFLAGS :=
-$(all_objects) : PRIVATE_TARGET_GLOBAL_CPPFLAGS :=
-
-$(LOCAL_BUILT_MODULE): $(all_objects) $(all_libraries)
-	@$(mkdir -p $(dir $@)
-	@echo "target Linking: $(PRIVATE_MODULE)"
-	$(hide) $(TARGET_LD) \
-		$(addprefix --script ,$(PRIVATE_LINK_SCRIPT)) \
-		$(PRIVATE_RAW_EXECUTABLE_LDFLAGS) \
-		-o $(PRIVATE_ELF_FILE) \
-		$(PRIVATE_ALL_OBJECTS) \
-		--start-group $(PRIVATE_ALL_STATIC_LIBRARIES) --end-group \
-		$(PRIVATE_LIBS)
-	$(hide) $(TARGET_OBJCOPY) -O binary $(PRIVATE_ELF_FILE) $@
diff --git a/core/raw_static_library.mk b/core/raw_static_library.mk
deleted file mode 100644
index 14a404dfa..000000000
--- a/core/raw_static_library.mk
+++ /dev/null
@@ -1,4 +0,0 @@
-
-LOCAL_RAW_STATIC_LIBRARY:=true
-
-include $(BUILD_SYSTEM)/static_library_internal.mk
diff --git a/core/sdk_font.mk b/core/sdk_font.mk
index 204403d19..c10f19ff3 100644
--- a/core/sdk_font.mk
+++ b/core/sdk_font.mk
@@ -18,7 +18,7 @@ fonttools_lib := external/fonttools/Lib
 SDK_FONT_TEMP := $(call intermediates-dir-for,PACKAGING,sdk-fonts,HOST,COMMON)
 
 # The font configuration files - system_fonts.xml, fallback_fonts.xml etc.
-sdk_font_config := $(wildcard frameworks/base/data/fonts/*.xml)
+sdk_font_config := $(sort $(wildcard frameworks/base/data/fonts/*.xml))
 sdk_font_config :=  $(addprefix $(SDK_FONT_TEMP)/, $(notdir $(sdk_font_config)))
 
 $(sdk_font_config): $(SDK_FONT_TEMP)/%.xml: \
diff --git a/core/setup_one_odex.mk b/core/setup_one_odex.mk
index ec8a28a5b..36b68171b 100644
--- a/core/setup_one_odex.mk
+++ b/core/setup_one_odex.mk
@@ -32,7 +32,9 @@ $(my_built_odex) : $($(my_2nd_arch_prefix)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BO
     $(DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS) \
     $(my_dex_preopt_image_filename)
 
-my_installed_odex := $(call get-odex-file-path,$($(my_2nd_arch_prefix)DEX2OAT_TARGET_ARCH),$(LOCAL_INSTALLED_MODULE))
+my_installed_odex := $(call get-odex-installed-file-path,$($(my_2nd_arch_prefix)DEX2OAT_TARGET_ARCH),$(LOCAL_INSTALLED_MODULE))
+
+$(eval $(call copy-one-file,$(my_built_odex),$(my_installed_odex)))
 
 built_odex += $(my_built_odex)
 installed_odex += $(my_installed_odex)
diff --git a/core/shared_library.mk b/core/shared_library.mk
index 71a3bb268..26c455da4 100644
--- a/core/shared_library.mk
+++ b/core/shared_library.mk
@@ -9,18 +9,22 @@ endif
 ifeq ($(my_module_multilib),both)
 ifneq ($(LOCAL_MODULE_PATH),)
 ifneq ($(TARGET_2ND_ARCH),)
-$(warning $(LOCAL_MODULE): LOCAL_MODULE_PATH for shared libraries is unsupported in multiarch builds, use LOCAL_MODULE_RELATIVE_PATH instead)
+$(error $(LOCAL_MODULE): LOCAL_MODULE_PATH for shared libraries is unsupported in multiarch builds, use LOCAL_MODULE_RELATIVE_PATH instead)
 endif
 endif
 
 ifneq ($(LOCAL_UNSTRIPPED_PATH),)
 ifneq ($(TARGET_2ND_ARCH),)
-$(warning $(LOCAL_MODULE): LOCAL_UNSTRIPPED_PATH for shared libraries is unsupported in multiarch builds)
+$(error $(LOCAL_MODULE): LOCAL_UNSTRIPPED_PATH for shared libraries is unsupported in multiarch builds)
 endif
 endif
 endif # my_module_multilib == both
 
 
+ifeq ($(LOCAL_SDCLANG), true)
+include $(SDCLANG_FLAG_DEFS)
+endif
+
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 include $(BUILD_SYSTEM)/module_arch_supported.mk
 
@@ -38,9 +42,6 @@ ifeq ($(my_module_arch_supported),true)
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 
 include $(BUILD_SYSTEM)/shared_library_internal.mk
@@ -51,6 +52,12 @@ LOCAL_2ND_ARCH_VAR_PREFIX :=
 
 endif # TARGET_2ND_ARCH
 
+ifeq ($(LOCAL_SDCLANG), true)
+ifeq ($(LOCAL_SDCLANG_LTO), true)
+include $(SDCLANG_LTO_DEFS)
+endif
+endif
+
 my_module_arch_supported :=
 
 ###########################################################
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index c01be371e..b9a5e3e93 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -40,10 +40,19 @@ include $(BUILD_SYSTEM)/dynamic_binary.mk
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
+ifeq ($(LOCAL_NO_LIBGCC),true)
+my_target_libgcc :=
+else
 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
+endif
 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
+ifeq ($(LOCAL_NO_CRT),true)
+my_target_crtbegin_so_o :=
+my_target_crtend_so_o :=
+else
 my_target_crtbegin_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_SO_O)
 my_target_crtend_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTEND_SO_O)
+endif
 ifdef LOCAL_SDK_VERSION
 # Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
 # so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
@@ -62,9 +71,13 @@ $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
 $(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
 
-$(linked_module): $(all_objects) $(all_libraries) \
-                  $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-                  $(my_target_crtbegin_so_o) $(my_target_crtend_so_o)
+$(linked_module): \
+        $(all_objects) \
+        $(all_libraries) \
+        $(my_target_crtbegin_so_o) \
+        $(my_target_crtend_so_o) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-o-to-shared-lib)
 
 endif  # skip_build_from_source
diff --git a/core/soong.mk b/core/soong.mk
new file mode 100644
index 000000000..246395326
--- /dev/null
+++ b/core/soong.mk
@@ -0,0 +1,80 @@
+SOONG_OUT_DIR := $(OUT_DIR)/soong
+SOONG_HOST_EXECUTABLES := $(SOONG_OUT_DIR)/host/$(HOST_PREBUILT_TAG)/bin
+KATI := $(SOONG_HOST_EXECUTABLES)/ckati
+MAKEPARALLEL := $(SOONG_HOST_EXECUTABLES)/makeparallel
+
+SOONG := $(SOONG_OUT_DIR)/soong
+SOONG_BOOTSTRAP := $(SOONG_OUT_DIR)/.soong.bootstrap
+SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja
+SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk
+SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make
+SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables
+
+# We need to rebootstrap soong if SOONG_OUT_DIR or the reverse path from
+# SOONG_OUT_DIR to TOP changes
+SOONG_NEEDS_REBOOTSTRAP :=
+ifneq ($(wildcard $(SOONG_BOOTSTRAP)),)
+  ifneq ($(SOONG_OUT_DIR),$(strip $(shell source $(SOONG_BOOTSTRAP); echo $$BUILDDIR)))
+    SOONG_NEEDS_REBOOTSTRAP := FORCE
+    $(warning soong_out_dir changed)
+  endif
+  ifneq ($(strip $(shell build/soong/reverse_path.py $(SOONG_OUT_DIR))),$(strip $(shell source $(SOONG_BOOTSTRAP); echo $$SRCDIR_FROM_BUILDDIR)))
+    SOONG_NEEDS_REBOOTSTRAP := FORCE
+    $(warning reverse path changed)
+  endif
+endif
+
+# Bootstrap soong.
+$(SOONG_BOOTSTRAP): bootstrap.bash $(SOONG_NEEDS_REBOOTSTRAP)
+	$(hide) mkdir -p $(dir $@)
+	$(hide) BUILDDIR=$(SOONG_OUT_DIR) ./bootstrap.bash
+
+# Create soong.variables with copies of makefile settings.  Runs every build,
+# but only updates soong.variables if it changes
+SOONG_VARIABLES_TMP := $(SOONG_VARIABLES).$$$$
+$(SOONG_VARIABLES): FORCE
+	$(hide) mkdir -p $(dir $@)
+	$(hide) (\
+	echo '{'; \
+	echo '    "Device_uses_jemalloc": $(if $(filter true,$(MALLOC_SVELTE)),false,true),'; \
+	echo '    "Device_uses_dlmalloc": $(if $(filter true,$(MALLOC_SVELTE)),true,false),'; \
+	echo '    "Platform_sdk_version": $(PLATFORM_SDK_VERSION),'; \
+	echo '    "Unbundled_build": $(if $(TARGET_BUILD_APPS),true,false),'; \
+	echo '    "Brillo": $(if $(BRILLO),true,false),'; \
+	echo ''; \
+	echo '    "DeviceName": "$(TARGET_DEVICE)",'; \
+	echo '    "DeviceArch": "$(TARGET_ARCH)",'; \
+	echo '    "DeviceArchVariant": "$(TARGET_ARCH_VARIANT)",'; \
+	echo '    "DeviceCpuVariant": "$(TARGET_CPU_VARIANT)",'; \
+	echo '    "DeviceAbi": ["$(TARGET_CPU_ABI)", "$(TARGET_CPU_ABI2)"],'; \
+	echo '    "DeviceUsesClang": $(if $(USE_CLANG_PLATFORM_BUILD),$(USE_CLANG_PLATFORM_BUILD),false),'; \
+	echo ''; \
+	echo '    "DeviceSecondaryArch": "$(TARGET_2ND_ARCH)",'; \
+	echo '    "DeviceSecondaryArchVariant": "$(TARGET_2ND_ARCH_VARIANT)",'; \
+	echo '    "DeviceSecondaryCpuVariant": "$(TARGET_2ND_CPU_VARIANT)",'; \
+	echo '    "DeviceSecondaryAbi": ["$(TARGET_2ND_CPU_ABI)", "$(TARGET_2ND_CPU_ABI2)"],'; \
+	echo ''; \
+	echo '    "HostArch": "$(HOST_ARCH)",'; \
+	echo '    "HostSecondaryArch": "$(HOST_2ND_ARCH)",'; \
+	echo ''; \
+	echo '    "CrossHost": "$(HOST_CROSS_OS)",'; \
+	echo '    "CrossHostArch": "$(HOST_CROSS_ARCH)",'; \
+	echo '    "CrossHostSecondaryArch": "$(HOST_CROSS_2ND_ARCH)"'; \
+	echo '}') > $(SOONG_VARIABLES_TMP); \
+	if ! cmp -s $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); then \
+	  mv $(SOONG_VARIABLES_TMP) $(SOONG_VARIABLES); \
+	else \
+	  rm $(SOONG_VARIABLES_TMP); \
+	fi
+
+# Tell soong that it is embedded in make
+$(SOONG_IN_MAKE):
+	$(hide) mkdir -p $(dir $@)
+	$(hide) touch $@
+
+# Build an Android.mk listing all soong outputs as prebuilts
+$(SOONG_ANDROID_MK): $(SOONG_BOOTSTRAP) $(SOONG_VARIABLES) $(SOONG_IN_MAKE) FORCE
+	$(hide) $(SOONG) $(KATI) $(MAKEPARALLEL) $(NINJA_ARGS)
+
+$(KATI): $(SOONG_ANDROID_MK)
+$(MAKEPARALLEL): $(SOONG_ANDROID_MK)
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 02078e017..48cdd0df0 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -23,6 +23,14 @@ LOCAL_UNINSTALLABLE_MODULE := true
 LOCAL_IS_STATIC_JAVA_LIBRARY := true
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
+#################################
+include $(BUILD_SYSTEM)/configure_local_jack.mk
+#################################
+
+intermediates.COMMON := $(call local-intermediates-dir,COMMON)
+
+my_res_package :=
+
 # Hack to build static Java library with Android resource
 # See bug 5714516
 all_resources :=
@@ -30,6 +38,14 @@ need_compile_res :=
 # A static Java library needs to explicily set LOCAL_RESOURCE_DIR.
 ifdef LOCAL_RESOURCE_DIR
 need_compile_res := true
+endif
+ifdef LOCAL_USE_AAPT2
+ifneq ($(LOCAL_STATIC_ANDROID_LIBRARIES),)
+need_compile_res := true
+endif
+endif
+
+ifeq ($(need_compile_res),true)
 all_resources := $(strip \
     $(foreach dir, $(LOCAL_RESOURCE_DIR), \
       $(addprefix $(dir)/, \
@@ -52,12 +68,31 @@ endif
 
 proguard_options_file :=
 
-intermediates.COMMON := $(call local-intermediates-dir,COMMON)
 ifneq ($(LOCAL_PROGUARD_ENABLED),custom)
   proguard_options_file := $(intermediates.COMMON)/proguard_options
 endif
+
 LOCAL_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_PROGUARD_FLAGS)
 
+ifdef LOCAL_JACK_ENABLED
+ifndef LOCAL_JACK_PROGUARD_FLAGS
+    LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
+endif
+LOCAL_JACK_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_JACK_PROGUARD_FLAGS)
+endif # LOCAL_JACK_ENABLED
+
+R_file_stamp := $(intermediates.COMMON)/src/R.stamp
+LOCAL_INTERMEDIATE_TARGETS += $(R_file_stamp)
+
+ifdef LOCAL_USE_AAPT2
+# For library we treat all the resource equal with no overlay.
+my_res_resources := $(all_resources)
+my_overlay_resources :=
+# For libraries put everything in the COMMON intermediate directory.
+my_res_package := $(intermediates.COMMON)/package-res.apk
+
+LOCAL_INTERMEDIATE_TARGETS += $(my_res_package)
+endif  # LOCAL_USE_AAPT2
 endif  # LOCAL_RESOURCE_DIR
 
 all_res_assets := $(all_resources)
@@ -65,8 +100,6 @@ all_res_assets := $(all_resources)
 include $(BUILD_SYSTEM)/java_library.mk
 
 ifeq (true,$(need_compile_res))
-R_file_stamp := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/R.stamp
-
 include $(BUILD_SYSTEM)/android_manifest.mk
 
 LOCAL_SDK_RES_VERSION:=$(strip $(LOCAL_SDK_RES_VERSION))
@@ -78,7 +111,7 @@ framework_res_package_export :=
 framework_res_package_export_deps :=
 # Please refer to package.mk
 ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
-ifneq ($(filter-out current system_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_RES_VERSION))),)
+ifneq ($(filter-out current system_current test_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current test_current,$(LOCAL_SDK_RES_VERSION))),)
 framework_res_package_export := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
 framework_res_package_export_deps := $(framework_res_package_export)
@@ -90,34 +123,80 @@ framework_res_package_export_deps := \
 endif
 endif
 
-$(R_file_stamp): PRIVATE_MODULE := $(LOCAL_MODULE)
 # add --non-constant-id to prevent inlining constants.
-$(R_file_stamp): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --non-constant-id
-$(R_file_stamp): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
-$(R_file_stamp): PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
-$(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := $(intermediates.COMMON)/public_resources.xml
-$(R_file_stamp): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
-$(R_file_stamp): PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
-$(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
+# AAR needs text symbol file R.txt.
+ifdef LOCAL_USE_AAPT2
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --static-lib --no-static-lib-packages
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_PRODUCT_AAPT_CONFIG :=
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_AAPT_CHARACTERISTICS :=
 else
-$(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --non-constant-id --output-text-symbols $(LOCAL_INTERMEDIATE_SOURCE_DIR)
 endif
-$(R_file_stamp): PRIVATE_ASSET_DIR :=
-$(R_file_stamp): PRIVATE_PROGUARD_OPTIONS_FILE := $(proguard_options_file)
-$(R_file_stamp): PRIVATE_MANIFEST_PACKAGE_NAME :=
-$(R_file_stamp): PRIVATE_MANIFEST_INSTRUMENTATION_FOR :=
 
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_PUBLICS_OUTPUT := $(intermediates.COMMON)/public_resources.xml
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
+
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
+else
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
+endif
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASSET_DIR :=
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_PROGUARD_OPTIONS_FILE := $(proguard_options_file)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_MANIFEST_PACKAGE_NAME :=
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_MANIFEST_INSTRUMENTATION_FOR :=
+
+ifdef LOCAL_USE_AAPT2
+# One more level with name res so we can zip up the flat resources that can be linked by apps.
+my_compiled_res_base_dir := $(intermediates.COMMON)/flat-res/res
+my_generated_res_dirs := $(rs_generated_res_dir)
+my_generated_res_dirs_deps := $(RenderScript_file_stamp)
+include $(BUILD_SYSTEM)/aapt2.mk
+$(my_res_package) : $(framework_res_package_export_deps)
+else
 $(R_file_stamp) : $(all_resources) $(full_android_manifest) $(AAPT) $(framework_res_package_export_deps)
 	@echo "target R.java/Manifest.java: $(PRIVATE_MODULE) ($@)"
 	$(create-resource-java-files)
 	$(hide) find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name R.java | xargs cat > $@
+endif  # LOCAL_USE_AAPT2
 
 $(LOCAL_BUILT_MODULE): $(R_file_stamp)
-ifneq ($(full_classes_jar),)
+ifdef LOCAL_JACK_ENABLED
+$(noshrob_classes_jack): $(R_file_stamp)
+$(full_classes_jack): $(R_file_stamp)
+$(jack_check_timestamp): $(R_file_stamp)
+endif # LOCAL_JACK_ENABLED
 $(full_classes_compiled_jar): $(R_file_stamp)
-endif
 
+# Rule to build AAR, archive including classes.jar, resource, etc.
+built_aar := $(intermediates.COMMON)/javalib.aar
+$(built_aar): PRIVATE_MODULE := $(LOCAL_MODULE)
+$(built_aar): PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
+$(built_aar): PRIVATE_CLASSES_JAR := $(full_classes_jar)
+$(built_aar): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
+$(built_aar): PRIVATE_R_TXT := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/R.txt
+$(built_aar): PRIVATE_CONSUMER_PROGUARD_FILE := $(LOCAL_CONSUMER_PROGUARD_FILE)
+$(built_aar) : $(full_classes_jar) $(full_android_manifest)
+	@echo "target AAR:  $(PRIVATE_MODULE) ($@)"
+	$(hide) rm -rf $(dir $@)aar && mkdir -p $(dir $@)aar/res
+	$(hide) cp $(PRIVATE_ANDROID_MANIFEST) $(dir $@)aar/AndroidManifest.xml
+	$(hide) cp $(PRIVATE_CLASSES_JAR) $(dir $@)aar/classes.jar
+	# Note: Use "cp -n" to honor the resource overlay rules, if multiple res dirs exist.
+	$(hide) $(foreach res,$(PRIVATE_RESOURCE_DIR),cp -Rfn $(res)/* $(dir $@)aar/res;)
+	$(hide) cp $(PRIVATE_R_TXT) $(dir $@)aar/R.txt
+	$(hide) if [ ! -z "$(PRIVATE_CONSUMER_PROGUARD_FILE)" ]; then \
+			echo "Including '$(PRIVATE_CONSUMER_PROGUARD_FILE)'"; \
+			cp $(PRIVATE_CONSUMER_PROGUARD_FILE) $(dir $@)aar/proguard.txt; fi
+	$(hide) jar -cMf $@ \
+	  -C $(dir $@)aar .
+
+# Register the aar file.
+ALL_MODULES.$(LOCAL_MODULE).AAR := $(built_aar)
 endif  # need_compile_res
 
 # Reset internal variables.
diff --git a/core/static_library.mk b/core/static_library.mk
index 854cbfcb9..61a63d065 100644
--- a/core/static_library.mk
+++ b/core/static_library.mk
@@ -6,6 +6,10 @@ ifndef my_module_multilib
 my_module_multilib := both
 endif
 
+ifeq ($(LOCAL_SDCLANG), true)
+include $(SDCLANG_FLAG_DEFS)
+endif
+
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 include $(BUILD_SYSTEM)/module_arch_supported.mk
 
@@ -23,9 +27,6 @@ ifeq ($(my_module_arch_supported),true)
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 
 include $(BUILD_SYSTEM)/static_library_internal.mk
@@ -36,6 +37,12 @@ LOCAL_2ND_ARCH_VAR_PREFIX :=
 
 endif # TARGET_2ND_ARCH
 
+ifeq ($(LOCAL_SDCLANG), true)
+ifeq ($(LOCAL_SDCLANG_LTO), true)
+include $(SDCLANG_LTO_DEFS)
+endif
+endif
+
 my_module_arch_supported :=
 
 ###########################################################
diff --git a/core/target_test_internal.mk b/core/target_test_internal.mk
index 95d415989..4715fe8d5 100644
--- a/core/target_test_internal.mk
+++ b/core/target_test_internal.mk
@@ -5,18 +5,11 @@
 LOCAL_CFLAGS += -DGTEST_OS_LINUX_ANDROID -DGTEST_HAS_STD_STRING
 
 LOCAL_C_INCLUDES += external/gtest/include
-ifneq ($(filter libc++,$(LOCAL_SHARED_LIBRARIES)),)
-LOCAL_STATIC_LIBRARIES += libgtest_libc++ libgtest_main_libc++
-else
-LOCAL_STATIC_LIBRARIES += libgtest libgtest_main
 
 ifndef LOCAL_SDK_VERSION
-LOCAL_C_INCLUDES += bionic \
-                    bionic/libstdc++/include \
-                    external/stlport/stlport
-LOCAL_SHARED_LIBRARIES += libstlport
-LOCAL_STATIC_LIBRARIES += libstdc++
-endif
+LOCAL_STATIC_LIBRARIES += libgtest_main libgtest
+else
+LOCAL_STATIC_LIBRARIES += libgtest_main_ndk libgtest_ndk
 endif
 
 ifdef LOCAL_MODULE_PATH
diff --git a/core/tasks/apicheck.mk b/core/tasks/apicheck.mk
index 683a075ff..3975d2071 100644
--- a/core/tasks/apicheck.mk
+++ b/core/tasks/apicheck.mk
@@ -129,4 +129,37 @@ update-system-api: $(INTERNAL_PLATFORM_SYSTEM_API_FILE) | $(ACP)
 	@echo Copying system-removed.txt
 	$(hide) $(ACP) $(INTERNAL_PLATFORM_SYSTEM_REMOVED_API_FILE) frameworks/base/api/system-removed.txt
 
+#####################Check Test API#####################
+.PHONY: check-test-api
+checkapi : check-test-api
+
+# Check that the Test API we're building hasn't changed from the not-yet-released
+# SDK version. Note that we don't check that we haven't broken the previous
+# SDK's API because the test API is meant only for CTS which is always
+# associated with the current release.
+$(eval $(call check-api, \
+    checktestapi-current, \
+    frameworks/base/api/test-current.txt, \
+    $(INTERNAL_PLATFORM_TEST_API_FILE), \
+    frameworks/base/api/test-removed.txt, \
+    $(INTERNAL_PLATFORM_TEST_REMOVED_API_FILE), \
+    -error 2 -error 3 -error 4 -error 5 -error 6 \
+    -error 7 -error 8 -error 9 -error 10 -error 11 -error 12 -error 13 -error 14 -error 15 \
+    -error 16 -error 17 -error 18 -error 19 -error 20 -error 21 -error 23 -error 24 \
+    -error 25 -error 26 -error 27, \
+    cat $(BUILD_SYSTEM)/apicheck_msg_current.txt, \
+    check-test-api, \
+    $(call doc-timestamp-for,test-api-stubs) \
+    ))
+
+.PHONY: update-test-api
+update-api : update-test-api
+
+update-test-api: $(INTERNAL_PLATFORM_TEST_API_FILE) | $(ACP)
+	@echo Copying test-current.txt
+	$(hide) $(ACP) $(INTERNAL_PLATFORM_TEST_API_FILE) frameworks/base/api/test-current.txt
+	@echo Copying test-removed.txt
+	$(hide) $(ACP) $(INTERNAL_PLATFORM_TEST_REMOVED_API_FILE) frameworks/base/api/test-removed.txt
+
+
 endif
diff --git a/core/tasks/boot_jars_package_check.mk b/core/tasks/boot_jars_package_check.mk
index 188c26740..28f2b826a 100644
--- a/core/tasks/boot_jars_package_check.mk
+++ b/core/tasks/boot_jars_package_check.mk
@@ -16,6 +16,7 @@
 # Rules to check if classes in the boot jars are from the whitelisted packages.
 #
 
+ifneq ($(SKIP_BOOT_JARS_CHECK),)
 ifneq ($(SKIP_BOOT_JARS_CHECK),true)
 ifneq ($(TARGET_BUILD_PDK),true)
 ifdef PRODUCT_BOOT_JARS
@@ -44,3 +45,4 @@ droidcore : check-boot-jars
 endif  # PRODUCT_BOOT_JARS
 endif  # TARGET_BUILD_PDK not true
 endif  # SKIP_BOOT_JARS_CHECK not true
+endif  # SKIP_BOOT_JARS_CHECK not defined
diff --git a/core/tasks/build_custom_images.mk b/core/tasks/build_custom_images.mk
new file mode 100644
index 000000000..8ebf89b0e
--- /dev/null
+++ b/core/tasks/build_custom_images.mk
@@ -0,0 +1,64 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Build additional images requested by the product makefile.
+# This script gives the ability to build multiple additional images and you can
+# configure what modules/files to include in each image.
+# 1. Define PRODUCT_CUSTOM_IMAGE_MAKEFILES in your product makefile.
+#    PRODUCT_CUSTOM_IMAGE_MAKEFILES is a list of makefiles.
+#    Each makefile configures an image.
+#    For image configuration makefile foo/bar/xyz.mk, the built image file name
+#    will be xyz.img. So make sure they won't conflict.
+# 2. In each image's configuration makefile, you can define variables:
+#   - CUSTOM_IMAGE_MOUNT_POINT, the mount point, such as "oem", "odm" etc.
+#   - CUSTOM_IMAGE_PARTITION_SIZE
+#   - CUSTOM_IMAGE_FILE_SYSTEM_TYPE
+#   - CUSTOM_IMAGE_DICT_FILE, a text file defines a dictionary accepted by
+#     BuildImage() in tools/releasetools/build_image.py.
+#   - CUSTOM_IMAGE_MODULES, a list of module names you want to include in
+#     the image; Not only the module itself will be installed to proper path in
+#     the image, you can also piggyback additional files/directories with the
+#     module's LOCAL_PICKUP_FILES.
+#   - CUSTOM_IMAGE_COPY_FILES, a list of "<src>:<dest>" to be copied to the
+#     image. <dest> is relativ to the root of the image.
+#   - CUSTOM_IMAGE_SELINUX, set to "true" if the image supports selinux.
+#   - CUSTOM_IMAGE_SUPPORT_VERITY, set to "true" if the product supports verity.
+#   - CUSTOM_IMAGE_VERITY_BLOCK_DEVICE
+#
+# To build all those images, run "make custom_images".
+
+ifneq ($(filter $(MAKECMDGOALS),custom_images),)
+
+.PHONY: custom_images
+
+custom_image_parameter_variables := \
+  CUSTOM_IMAGE_MOUNT_POINT \
+  CUSTOM_IMAGE_PARTITION_SIZE \
+  CUSTOM_IMAGE_FILE_SYSTEM_TYPE \
+  CUSTOM_IMAGE_DICT_FILE \
+  CUSTOM_IMAGE_MODULES \
+  CUSTOM_IMAGE_COPY_FILES \
+  CUSTOM_IMAGE_SELINUX \
+  CUSTOM_IMAGE_SUPPORT_VERITY \
+  CUSTOM_IMAGE_VERITY_BLOCK_DEVICE \
+
+# We don't expect product makefile to inherit/override PRODUCT_CUSTOM_IMAGE_MAKEFILES,
+# so we don't put it in the _product_var_list.
+$(foreach mk, $(PRODUCT_CUSTOM_IMAGE_MAKEFILES),\
+  $(eval my_custom_imag_makefile := $(mk))\
+  $(eval include $(BUILD_SYSTEM)/tasks/tools/build_custom_image.mk))
+
+endif
diff --git a/core/tasks/check_boot_jars/check_boot_jars.py b/core/tasks/check_boot_jars/check_boot_jars.py
index 89d9ee827..5a0ec4016 100755
--- a/core/tasks/check_boot_jars/check_boot_jars.py
+++ b/core/tasks/check_boot_jars/check_boot_jars.py
@@ -64,10 +64,10 @@ def CheckJar(jar):
 def main(argv):
   if len(argv) < 2:
     print __doc__
-    sys.exit(1)
+    return 1
 
   if not LoadWhitelist(argv[0]):
-    sys.exit(1)
+    return 1
 
   passed = True
   for jar in argv[1:]:
@@ -80,4 +80,4 @@ def main(argv):
 
 
 if __name__ == '__main__':
-  main(sys.argv[1:])
+  sys.exit(main(sys.argv[1:]))
diff --git a/core/tasks/check_boot_jars/package_whitelist.txt b/core/tasks/check_boot_jars/package_whitelist.txt
index 4d6261572..3cb6e2800 100644
--- a/core/tasks/check_boot_jars/package_whitelist.txt
+++ b/core/tasks/check_boot_jars/package_whitelist.txt
@@ -2,7 +2,7 @@
 # Each line is interpreted as a regular expression.
 
 ###################################################
-# core-libart.jar
+# core-libart.jar & core-oj.jar
 java\.awt\.font
 java\.beans
 java\.io
@@ -13,6 +13,9 @@ java\.lang\.reflect
 java\.math
 java\.net
 java\.nio
+java\.nio\.file
+java\.nio\.file\.spi
+java\.nio\.file\.attribute
 java\.nio\.channels
 java\.nio\.channels\.spi
 java\.nio\.charset
@@ -24,14 +27,18 @@ java\.security\.interfaces
 java\.security\.spec
 java\.sql
 java\.text
+java\.text\.spi
 java\.util
 java\.util\.concurrent
 java\.util\.concurrent\.atomic
 java\.util\.concurrent\.locks
+java\.util\.function
 java\.util\.jar
 java\.util\.logging
 java\.util\.prefs
 java\.util\.regex
+java\.util\.spi
+java\.util\.stream
 java\.util\.zip
 javax\.crypto
 javax\.crypto\.interfaces
@@ -54,10 +61,18 @@ javax\.xml\.transform\.sax
 javax\.xml\.transform\.stream
 javax\.xml\.validation
 javax\.xml\.xpath
-sun\.misc
 org\.w3c\.dom
 org\.w3c\.dom\.ls
 org\.w3c\.dom\.traversal
+# OpenJdk internal implementation.
+sun\.misc
+sun\.util.*
+sun\.text.*
+sun\.security.*
+sun\.reflect.*
+sun\.nio.*
+sun\.net.*
+com\.sun\..*
 
 # TODO: Move these internal org.apache.harmony classes to libcore.*
 org\.apache\.harmony\.crypto\.internal
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 2ce5dbc1e..fdd959176 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -1,4 +1,4 @@
-# Copyright (C) 2008 The Android Open Source Project
+# Copyright (C) 2015 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,368 +12,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cts_dir := $(HOST_OUT)/cts
-cts_tools_src_dir := cts/tools
+test_suite_name := cts
+test_suite_tradefed := cts-tradefed
+test_suite_dynamic_config := cts/tools/cts-tradefed/DynamicConfig.xml
+test_suite_readme := cts/tools/cts-tradefed/README
 
-cts_name := android-cts
-
-JUNIT_HOST_JAR := $(HOST_OUT_JAVA_LIBRARIES)/junit.jar
-HOSTTESTLIB_JAR := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar
-TF_JAR := $(HOST_OUT_JAVA_LIBRARIES)/tradefed-prebuilt.jar
-CTS_TF_JAR := $(HOST_OUT_JAVA_LIBRARIES)/cts-tradefed.jar
-CTS_TF_EXEC_PATH := $(HOST_OUT_EXECUTABLES)/cts-tradefed
-CTS_TF_README_PATH := $(cts_tools_src_dir)/tradefed-host/README
-
-VMTESTSTF_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,vm-tests-tf,HOST)
-VMTESTSTF_JAR := $(VMTESTSTF_INTERMEDIATES)/android.core.vm-tests-tf.jar
-
-# The list of test packages that core-tests (libcore/Android.mk)
-# is split into.
-CTS_CORE_CASE_LIST := \
-	android.core.tests.libcore.package.dalvik \
-	android.core.tests.libcore.package.com \
-	android.core.tests.libcore.package.conscrypt \
-	android.core.tests.libcore.package.sun \
-	android.core.tests.libcore.package.tests \
-	android.core.tests.libcore.package.org \
-	android.core.tests.libcore.package.libcore \
-	android.core.tests.libcore.package.jsr166 \
-	android.core.tests.libcore.package.harmony_annotation \
-	android.core.tests.libcore.package.harmony_java_io \
-	android.core.tests.libcore.package.harmony_java_lang \
-	android.core.tests.libcore.package.harmony_java_math \
-	android.core.tests.libcore.package.harmony_java_net \
-	android.core.tests.libcore.package.harmony_java_nio \
-	android.core.tests.libcore.package.harmony_java_text \
-	android.core.tests.libcore.package.harmony_java_util \
-	android.core.tests.libcore.package.harmony_javax_security \
-	android.core.tests.libcore.package.okhttp \
-	android.core.tests.runner
-
-# The list of test packages that apache-harmony-tests (external/apache-harmony/Android.mk)
-# is split into.
-CTS_CORE_CASE_LIST += \
-	android.core.tests.libcore.package.harmony_beans \
-	android.core.tests.libcore.package.harmony_logging \
-	android.core.tests.libcore.package.harmony_prefs \
-	android.core.tests.libcore.package.harmony_sql
-
-
-CTS_TEST_JAR_LIST := \
-        cts-junit \
-	CtsJdwp
-
-# Depend on the full package paths rather than the phony targets to avoid
-# rebuilding the packages every time.
-CTS_CORE_CASES := $(foreach pkg,$(CTS_CORE_CASE_LIST),$(call intermediates-dir-for,APPS,$(pkg))/package.apk)
-CTS_TEST_JAR_FILES := $(foreach c,$(CTS_TEST_JAR_LIST),$(call intermediates-dir-for,JAVA_LIBRARIES,$(c))/javalib.jar)
-
--include cts/CtsTestCaseList.mk
-CTS_CASE_LIST := $(CTS_CORE_CASE_LIST) $(CTS_TEST_CASE_LIST)
-
-# A module may have mutliple installed files (e.g. split apks)
-CTS_CASE_LIST_APKS :=
-CTS_CASE_LIST_APKS_DIR := $(cts_dir)/$(cts_name)/repository/testcases/
-$(foreach m, $(CTS_CASE_LIST),\
-  $(foreach fp, $(ALL_MODULES.$(m).BUILT_INSTALLED),\
-    $(eval pair := $(subst :,$(space),$(fp)))\
-    $(eval built := $(word 1,$(pair)))\
-    $(eval installed := $(CTS_CASE_LIST_APKS_DIR)/$(notdir $(word 2,$(pair))))\
-    $(eval $(call copy-one-file, $(built), $(installed)))\
-    $(eval CTS_CASE_LIST_APKS += $(installed))))
-
-DEFAULT_TEST_PLAN := $(cts_dir)/$(cts_name)/resource/plans
-$(cts_dir)/all_cts_files_stamp: $(CTS_CORE_CASES) $(CTS_TEST_CASES) $(CTS_CASE_LIST_APKS) $(JUNIT_HOST_JAR) $(HOSTTESTLIB_JAR) $(CTS_HOST_LIBRARY_JARS) $(TF_JAR) $(VMTESTSTF_JAR) $(CTS_TF_JAR) $(CTS_TF_EXEC_PATH) $(CTS_TF_README_PATH) $(ACP) $(CTS_TEST_JAR_FILES)
-# Make necessary directory for CTS
-	$(hide) mkdir -p $(TMP_DIR)
-	$(hide) mkdir -p $(PRIVATE_DIR)/docs
-	$(hide) mkdir -p $(PRIVATE_DIR)/tools
-	$(hide) mkdir -p $(PRIVATE_DIR)/repository/testcases
-	$(hide) mkdir -p $(PRIVATE_DIR)/repository/plans
-# Copy executable and JARs to CTS directory
-	$(hide) $(ACP) -fp $(VMTESTSTF_JAR) $(PRIVATE_DIR)/repository/testcases
-	$(hide) $(ACP) -fp $(HOSTTESTLIB_JAR) $(CTS_HOST_LIBRARY_JARS) $(TF_JAR) $(CTS_TF_JAR) $(CTS_TF_EXEC_PATH) $(CTS_TF_README_PATH) $(PRIVATE_DIR)/tools
-# Change mode of the executables
-	$(foreach jar,$(CTS_TEST_JAR_LIST),$(call copy-testcase-jar,$(jar)))
-	$(foreach testcase,$(CTS_TEST_CASES),$(call copy-testcase,$(testcase)))
-	$(hide) touch $@
-
-# Generate the test descriptions for the core-tests
-# Parameters:
-# $1 : The output file where the description should be written (without the '.xml' extension)
-# $2 : The AndroidManifest.xml corresponding to the test package
-# $3 : The jar file name on PRIVATE_CLASSPATH containing junit tests to search for
-# $4 : The package prefix of classes to include, possible empty
-# $5 : The architecture of the current build
-# $6 : The directory containing vogar expectations files
-# $7 : The Android.mk corresponding to the test package (required for host-side tests only)
-define generate-core-test-description
-@echo "Generate core-test description ("$(notdir $(1))")"
-$(hide) java -Xmx256M \
-	-Xbootclasspath/a:$(PRIVATE_CLASSPATH):$(JUNIT_HOST_JAR) \
-	-classpath $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar:$(HOST_JDK_TOOLS_JAR) \
-	$(PRIVATE_PARAMS) CollectAllTests $(1) $(2) $(3) "$(4)" $(5) $(6) $(7)
-endef
-
-CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-libart,,COMMON)
-CONSCRYPT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,conscrypt,,COMMON)
-BOUNCYCASTLE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,bouncycastle,,COMMON)
-APACHEXML_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-xml,,COMMON)
-OKHTTP_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp-nojarjar,,COMMON)
-OKHTTPTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp-tests-nojarjar,,COMMON)
-OKHTTP_REPACKAGED_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp,,COMMON)
-APACHEHARMONYTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-harmony-tests,,COMMON)
-SQLITEJDBC_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,sqlite-jdbc,,COMMON)
-JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
-CORETESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-tests,,COMMON)
-JSR166TESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,jsr166-tests,,COMMON)
-CONSCRYPTTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,conscrypt-tests,,COMMON)
-
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(CONSCRYPT_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(APACHEHARMONYTESTS_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(OKHTTPTESTS_INTERMEDIATES)/classes.jar:$(OKHTTP_REPACKAGED_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar:$(JSR166TESTS_INTERMEDIATES)/javalib.jar:$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar
-
-CTS_CORE_XMLS := \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.jsr166.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_annotation.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_io.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_lang.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_math.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_net.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_nio.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_text.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_util.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_javax_security.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql.xml \
-	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp.xml \
-
-$(CTS_CORE_XMLS): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
-# Why does this depend on javalib.jar instead of classes.jar?  Because
-# even though the tool will operate on the classes.jar files, the
-# build system requires that dependencies use javalib.jar.  If
-# javalib.jar is up-to-date, then classes.jar is as well.  Depending
-# on classes.jar will build the files incorrectly.
-CTS_CORE_XMLS_DEPS := $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(JUNIT_HOST_JAR) $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(OKHTTPTESTS_INTERMEDIATES)/javalib.jar $(OKHTTP_REPACKAGED_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar $(JSR166TESTS_INTERMEDIATES)/javalib.jar $(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar build/core/tasks/cts.mk | $(ACP)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik,\
-		cts/tests/core/libcore/dalvik/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,dalvik,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com,\
-		cts/tests/core/libcore/com/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,com,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt,\
-		cts/tests/core/libcore/conscrypt/AndroidManifest.xml,\
-		$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar,,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun,\
-		cts/tests/core/libcore/sun/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,sun,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests,\
-		cts/tests/core/libcore/tests/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,tests,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org,\
-		cts/tests/core/libcore/org/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore,\
-		cts/tests/core/libcore/libcore/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,libcore,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.jsr166.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.jsr166,\
-		cts/tests/core/libcore/jsr166/AndroidManifest.xml,\
-		$(JSR166TESTS_INTERMEDIATES)/javalib.jar,jsr166,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_annotation.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_annotation,\
-		cts/tests/core/libcore/harmony_annotation/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.annotation.tests,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_io.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_io,\
-		cts/tests/core/libcore/harmony_java_io/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.io,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_lang.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_lang,\
-		cts/tests/core/libcore/harmony_java_lang/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.lang,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_math.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_math,\
-		cts/tests/core/libcore/harmony_java_math/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.math,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_net.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_net,\
-		cts/tests/core/libcore/harmony_java_net/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.net,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_nio.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_nio,\
-		cts/tests/core/libcore/harmony_java_nio/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.nio,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_text.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_text,\
-		cts/tests/core/libcore/harmony_java_text/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.text,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_util.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_util,\
-		cts/tests/core/libcore/harmony_java_util/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.util,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_javax_security.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_javax_security,\
-		cts/tests/core/libcore/harmony_javax_security/AndroidManifest.xml,\
-		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.javax.security,\
-		$(TARGET_ARCH),libcore/expectations)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans,\
-		cts/tests/core/libcore/harmony_beans/AndroidManifest.xml,\
-		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.beans,\
-		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging,\
-		cts/tests/core/libcore/harmony_logging/AndroidManifest.xml,\
-		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.logging,\
-		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs,\
-		cts/tests/core/libcore/harmony_prefs/AndroidManifest.xml,\
-		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.prefs,\
-		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql,\
-		cts/tests/core/libcore/harmony_sql/AndroidManifest.xml,\
-		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.sql,\
-		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
-
-$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp.xml: $(CTS_CORE_XMLS_DEPS)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp,\
-		cts/tests/core/libcore/okhttp/AndroidManifest.xml,\
-		$(OKHTTPTESTS_INTERMEDIATES)/javalib.jar,,\
-		$(TARGET_ARCH),libcore/expectations)
-
-# ----- Generate the test descriptions for the vm-tests-tf -----
-#
-CORE_VM_TEST_TF_DESC := $(CTS_TESTCASES_OUT)/android.core.vm-tests-tf.xml
-
-# core tests only needed to get hold of junit-framework-classes
-CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-libart,,COMMON)
-JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
-
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(VMTESTSTF_JAR):$(TF_JAR)
-
-$(CORE_VM_TEST_TF_DESC): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
-# Please see big comment above on why this line depends on javalib.jar instead of classes.jar
-$(CORE_VM_TEST_TF_DESC): $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(JUNIT_HOST_JAR) $(CORE_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(VMTESTSTF_JAR) | $(ACP)
-	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
-	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.vm-tests-tf,\
-		cts/tests/vm-tests-tf/AndroidManifest.xml,\
-		$(VMTESTSTF_JAR),"",\
-		$(TARGET_ARCH),\
-		libcore/expectations,\
-		cts/tools/vm-tests-tf/Android.mk)
-
-# Generate the default test plan for User.
-# Usage: buildCts.py <testRoot> <ctsOutputDir> <tempDir> <androidRootDir> <docletPath>
-
-$(DEFAULT_TEST_PLAN): $(cts_dir)/all_cts_files_stamp $(cts_tools_src_dir)/utils/buildCts.py $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CTS_CORE_XMLS) $(CTS_TEST_XMLS) $(CORE_VM_TEST_TF_DESC) | $(ACP)
-	$(hide) $(ACP) -fp $(CTS_CORE_XMLS) $(CTS_TEST_XMLS) $(CORE_VM_TEST_TF_DESC) $(PRIVATE_DIR)/repository/testcases
-	$(hide) $(cts_tools_src_dir)/utils/buildCts.py cts/tests/tests/ $(PRIVATE_DIR) $(TMP_DIR) \
-		$(TOP) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar
-	$(hide) mkdir -p $(dir $@) && touch $@
-
-# Package CTS and clean up.
-#
-# TODO:
-#   Pack cts.bat into the same zip file as well. See http://buganizer/issue?id=1656821 for more details
-INTERNAL_CTS_TARGET := $(cts_dir)/$(cts_name).zip
-$(INTERNAL_CTS_TARGET): PRIVATE_NAME := $(cts_name)
-$(INTERNAL_CTS_TARGET): PRIVATE_CTS_DIR := $(cts_dir)
-$(INTERNAL_CTS_TARGET): PRIVATE_DIR := $(cts_dir)/$(cts_name)
-$(INTERNAL_CTS_TARGET): TMP_DIR := $(cts_dir)/temp
-$(INTERNAL_CTS_TARGET): $(cts_dir)/all_cts_files_stamp $(DEFAULT_TEST_PLAN)
-	$(hide) echo "Package CTS: $@"
-	$(hide) cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME)
+include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
 
 .PHONY: cts
-cts: $(INTERNAL_CTS_TARGET) adb
-$(call dist-for-goals,cts,$(INTERNAL_CTS_TARGET))
-
-
-define copy-testcase
-
-$(hide) $(ACP) -fp $(1) $(PRIVATE_DIR)/repository/testcases/$(notdir $1)
-
-endef
-
-define copy-testcase-jar
-
-$(hide) $(ACP) -fp $(call intermediates-dir-for,JAVA_LIBRARIES,$(1))/javalib.jar \
-	$(PRIVATE_DIR)/repository/testcases/$(1).jar
+cts: $(compatibility_zip)
+$(call dist-for-goals, cts, $(compatibility_zip))
 
-endef
+.PHONY: cts_v2
+cts_v2: cts
diff --git a/core/tasks/deps_licenses.mk b/core/tasks/deps_licenses.mk
new file mode 100644
index 000000000..bb20fa042
--- /dev/null
+++ b/core/tasks/deps_licenses.mk
@@ -0,0 +1,59 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Print modules and their transitive dependencies with license files.
+# To invoke, run "make deps-license PROJ_PATH=<proj-path-patterns> DEP_PATH=<dep-path-patterns>".
+# PROJ_PATH restricts the paths of the source modules; DEP_PATH restricts the paths of the dependency modules.
+# Both can be makefile patterns supported by makefile function $(filter).
+# Example: "make deps-license packages/app/% external/%" prints all modules in packages/app/ with their dpendencies in external/.
+# The printout lines look like "<module_name> :: <module_paths> :: <license_files>".
+
+ifneq (,$(filter deps-license,$(MAKECMDGOALS)))
+ifndef PROJ_PATH
+$(error To "make deps-license" you must specify PROJ_PATH and DEP_PATH.)
+endif
+ifndef DEP_PATH
+$(error To "make deps-license" you must specify PROJ_PATH and DEP_PATH.)
+endif
+
+# Expand a module's dependencies transitively.
+# $(1): the variable name to hold the result.
+# $(2): the initial module name.
+define get-module-all-dependencies
+$(eval _gmad_new := $(sort $(filter-out $($(1)),\
+  $(foreach m,$(2),$(ALL_DEPS.$(m).ALL_DEPS)))))\
+$(if $(_gmad_new),$(eval $(1) += $(_gmad_new))\
+  $(call get-module-all-dependencies,$(1),$(_gmad_new)))
+endef
+
+define print-deps-license
+$(foreach m, $(ALL_DEPS.MODULES),\
+  $(eval m_p := $(sort $(ALL_MODULES.$(m).PATH) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PATH)))\
+  $(if $(filter $(PROJ_PATH),$(m_p)),\
+    $(eval deps :=)\
+    $(eval $(call get-module-all-dependencies,deps,$(m)))\
+    $(info $(m) :: $(m_p) :: $(ALL_DEPS.$(m).LICENSE))\
+    $(foreach d,$(deps),\
+      $(eval d_p := $(sort $(ALL_MODULES.$(d).PATH) $(ALL_MODULES.$(d)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PATH)))\
+      $(if $(filter $(DEP_PATH),$(d_p)),\
+        $(info $(space)$(space)$(space)$(space)$(d) :: $(d_p) :: $(ALL_DEPS.$(d).LICENSE))))))
+endef
+
+.PHONY: deps-license
+deps-license:
+	@$(call print-deps-license)
+
+endif
diff --git a/core/tasks/factory_bundle.mk b/core/tasks/factory_bundle.mk
deleted file mode 100644
index 51531cb66..000000000
--- a/core/tasks/factory_bundle.mk
+++ /dev/null
@@ -1,84 +0,0 @@
-#
-# Copyright (C) 2011 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-ifeq (,$(ONE_SHOT_MAKEFILE))
-ifneq ($(TARGET_BUILD_PDK),true)
-  TARGET_BUILD_FACTORY=true
-endif
-ifeq ($(TARGET_BUILD_FACTORY),true)
-
-# PRODUCT_FACTORY_RAMDISK_MODULES consists of "<module_name>:<install_path>[:<install_path>...]" tuples.
-# <install_path> is relative to the staging directory for the bundle.
-# 
-# Only host modules can be installed here. 
-# (It's possible to relax this, but it's not needed and kind of tricky.  We'll need to add
-# a better way of specifying the class. Really the answer is to stop having modules with
-# duplicate names)
-#
-# You can also add files with PRODUCT_COPY_FILES if necessary.
-#
-# For example:
-# PRODUCT_FACTORY_BUNDLE_MODULES := \
-#     adb:adb fastboot:fastboot
-requested_modules := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_FACTORY_BUNDLE_MODULES))
-
-root_dir := $(PRODUCT_OUT)/factory_bundle
-leaf := $(strip $(TARGET_PRODUCT))-factory_bundle-$(FILE_NAME_TAG)
-named_dir := $(PRODUCT_OUT)/$(leaf)
-tarball := $(PRODUCT_OUT)/$(leaf).tgz
-
-copied_files := \
-  $(foreach _fb_m, $(requested_modules), $(strip \
-    $(eval _fb_m_tuple := $(subst :, ,$(_fb_m))) \
-    $(eval _fb_m_name := $(word 1,$(_fb_m_tuple))) \
-    $(eval _fb_dests := $(wordlist 2,999,$(_fb_m_tuple))) \
-    $(eval _fb_m_built := $(filter $(HOST_OUT)/%, $(ALL_MODULES.$(_fb_m_name).BUILT))) \
-    $(if $(_fb_m_built),,$(warning no built file in requested_modules for '$(_fb_m_built)'))\
-    $(foreach _fb_f,$(_fb_dests),$(eval $(call copy-one-file,$(_fb_m_built),$(root_dir)/$(_fb_f))))\
-    $(addprefix $(root_dir)/,$(_fb_dests)) \
-    )) \
-  $(filter $(root_dir)/%, $(ALL_DEFAULT_INSTALLED_MODULES))
-
-ifneq (,$(strip $(copied_files)))
-
-#
-# These files are made by magic so we need to explicitly include them
-#
-$(eval $(call copy-one-file,$(TARGET_OUT)/build.prop,$(root_dir)/build.prop))
-copied_files += $(root_dir)/build.prop
-
-$(eval $(call copy-one-file,$(PRODUCT_OUT)/factory_ramdisk.img,$(root_dir)/factory_ramdisk.img))
-copied_files += $(root_dir)/factory_ramdisk.img
-#
-# End magic
-#
-
-$(tarball): PRIVATE_ROOT_DIR := $(root_dir)
-$(tarball): PRIVATE_NAMED_DIR := $(named_dir)
-
-$(tarball): $(copied_files)
-	@echo "Tarball: $@"
-	$(hide) rm -rf $(PRIVATE_NAMED_DIR)
-	$(hide) ( cp -r $(PRIVATE_ROOT_DIR) $(PRIVATE_NAMED_DIR) \
-			&& tar cfz $@ -C $(dir $(PRIVATE_NAMED_DIR)) $(notdir $(PRIVATE_NAMED_DIR)) \
-			) && rm -rf $(PRIVATE_NAMED_DIR)
-
-INSTALLED_FACTORY_BUNDLE_TARGET := $(tarball)
-
-endif
-
-endif # TARGET_BUILD_PDK
-endif # ONE_SHOT_MAKEFILE
diff --git a/core/tasks/factory_ramdisk.mk b/core/tasks/factory_ramdisk.mk
deleted file mode 100644
index d65d931fe..000000000
--- a/core/tasks/factory_ramdisk.mk
+++ /dev/null
@@ -1,95 +0,0 @@
-#
-# Copyright (C) 2011 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-ifeq (,$(ONE_SHOT_MAKEFILE))
-ifneq ($(TARGET_BUILD_PDK),true)
-  TARGET_BUILD_FACTORY=true
-endif
-ifeq ($(TARGET_BUILD_FACTORY),true)
-
-# PRODUCT_FACTORY_RAMDISK_MODULES consists of "<module_name>:<install_path>[:<install_path>...]" tuples.
-# <install_path> is relative to TARGET_FACTORY_RAMDISK_OUT.
-# We can have multiple <install_path>s because multiple modules may have the same name.
-# For example:
-# PRODUCT_FACTORY_RAMDISK_MODULES := \
-#     toolbox:system/bin/toolbox adbd:sbin/adbd adb:system/bin/adb
-factory_ramdisk_modules := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_FACTORY_RAMDISK_MODULES))
-ifneq (,$(factory_ramdisk_modules))
-
-# A module name may end up in multiple modules (so multiple built files)
-# with the same name.
-# This function selects the module built file based on the install path.
-# $(1): the dest install path
-# $(2): the module built files
-define install-one-factory-ramdisk-module
-$(eval _iofrm_suffix := $(suffix $(1))) \
-$(if $(_iofrm_suffix), \
-    $(eval _iofrm_pattern := %$(_iofrm_suffix)), \
-    $(eval _iofrm_pattern := %$(notdir $(1)))) \
-$(eval _iofrm_src := $(filter $(_iofrm_pattern),$(2))) \
-$(if $(filter 1,$(words $(_iofrm_src))), \
-    $(eval _fulldest := $(TARGET_FACTORY_RAMDISK_OUT)/$(1)) \
-    $(eval $(call copy-one-file,$(_iofrm_src),$(_fulldest))) \
-    $(eval INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES += $(_fulldest)), \
-    $(warning Warning: Cannot find built file in "$(2)" for "$(1)") \
-    )
-endef
-
-INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES :=
-$(foreach m, $(factory_ramdisk_modules), \
-    $(eval _fr_m_tuple := $(subst :, ,$(m))) \
-    $(eval _fr_m_name := $(word 1,$(_fr_m_tuple))) \
-    $(eval _fr_dests := $(wordlist 2,999,$(_fr_m_tuple))) \
-    $(eval _fr_m_built := $(filter $(PRODUCT_OUT)/%, $(ALL_MODULES.$(_fr_m_name).BUILT))) \
-    $(foreach d,$(_fr_dests),$(call install-one-factory-ramdisk-module,$(d),$(_fr_m_built))) \
-    )
-endif
-
-# Files may also be installed via PRODUCT_COPY_FILES, PRODUCT_PACKAGES etc.
-INTERNAL_FACTORY_RAMDISK_FILES := $(filter $(TARGET_FACTORY_RAMDISK_OUT)/%, \
-    $(ALL_DEFAULT_INSTALLED_MODULES))
-
-ifneq (,$(INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES)$(INTERNAL_FACTORY_RAMDISK_FILES))
-
-# These files are made by magic in build/core/Makefile so we need to explicitly include them
-$(eval $(call copy-one-file,$(TARGET_OUT)/build.prop,$(TARGET_FACTORY_RAMDISK_OUT)/system/build.prop))
-INTERNAL_FACTORY_RAMDISK_FILES += $(TARGET_FACTORY_RAMDISK_OUT)/system/build.prop
-
-BUILT_FACTORY_RAMDISK_FS := $(PRODUCT_OUT)/factory_ramdisk.gz
-BUILT_FACTORY_RAMDISK_TARGET := $(PRODUCT_OUT)/factory_ramdisk.img
-
-INSTALLED_FACTORY_RAMDISK_FS := $(BUILT_FACTORY_RAMDISK_FS)
-$(INSTALLED_FACTORY_RAMDISK_FS) : $(MKBOOTFS) \
-    $(INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES) $(INTERNAL_FACTORY_RAMDISK_FILES) | $(MINIGZIP)
-	$(call pretty,"Target factory ram disk file system: $@")
-	$(hide) $(MKBOOTFS) $(TARGET_FACTORY_RAMDISK_OUT) | $(MINIGZIP) > $@
-
-TARGET_RAMDISK_KERNEL := $(INSTALLED_KERNEL_TARGET)
-INSTALLED_FACTORY_RAMDISK_TARGET := $(BUILT_FACTORY_RAMDISK_TARGET)
-ifneq (,$(BOARD_KERNEL_CMDLINE_FACTORY_BOOT))
-  RAMDISK_CMDLINE := --cmdline "$(BOARD_KERNEL_CMDLINE_FACTORY_BOOT)"
-else
-  RAMDISK_CMDLINE :=
-endif
-$(INSTALLED_FACTORY_RAMDISK_TARGET) : $(MKBOOTIMG) $(TARGET_RAMDISK_KERNEL) $(INSTALLED_FACTORY_RAMDISK_FS)
-	$(call pretty,"Target factory ram disk img format: $@")
-	$(MKBOOTIMG) --kernel $(TARGET_RAMDISK_KERNEL) --ramdisk $(INSTALLED_FACTORY_RAMDISK_FS) \
-            --base $(BOARD_KERNEL_BASE) $(BOARD_MKBOOTIMG_ARGS) $(RAMDISK_CMDLINE) --output $@
-
-endif
-
-endif # TARGET_BUILD_PDK
-endif # ONE_SHOT_MAKEFILE
diff --git a/core/tasks/module-info.mk b/core/tasks/module-info.mk
new file mode 100644
index 000000000..e9b2ac7a9
--- /dev/null
+++ b/core/tasks/module-info.mk
@@ -0,0 +1,24 @@
+# Print a list of the modules that could be built
+
+MODULE_INFO_JSON := $(PRODUCT_OUT)/module-info.json
+
+$(MODULE_INFO_JSON):
+	@echo Generating $@
+	$(hide) echo -ne '{\n ' > $@
+	$(hide) echo -ne $(foreach m, $(sort $(ALL_MODULES)), \
+		' "$(m)": {' \
+			'"class": [$(foreach w,$(sort $(ALL_MODULES.$(m).CLASS)),"$(w)", )], ' \
+			'"path": [$(foreach w,$(sort $(ALL_MODULES.$(m).PATH)),"$(w)", )], ' \
+			'"tags": [$(foreach w,$(sort $(ALL_MODULES.$(m).TAGS)),"$(w)", )], ' \
+			'"installed": [$(foreach w,$(sort $(ALL_MODULES.$(m).INSTALLED)),"$(w)", )], ' \
+			'},\n' \
+	 ) | sed -e 's/, *\]/]/g' -e 's/, *\}/ }/g' -e '$$s/,$$//' >> $@
+	$(hide) echo '}' >> $@
+
+
+# If ONE_SHOT_MAKEFILE is set, our view of the world is smaller, so don't
+# rewrite the file in that came.
+ifndef ONE_SHOT_MAKEFILE
+files: $(MODULE_INFO_JSON)
+endif
+
diff --git a/core/tasks/oem_image.mk b/core/tasks/oem_image.mk
index 26b9aba01..8a066700f 100644
--- a/core/tasks/oem_image.mk
+++ b/core/tasks/oem_image.mk
@@ -15,7 +15,16 @@
 #
 
 # We build oem.img only if it's asked for.
+skip_oem_image := true
 ifneq ($(filter $(MAKECMDGOALS),oem_image),)
+    skip_oem_image := false
+endif
+
+ifneq ($(BOARD_OEMIMAGE_FILE_SYSTEM_TYPE),)
+    skip_oem_image := false
+endif
+
+ifneq ($(skip_oem_image),true)
 ifndef BOARD_OEMIMAGE_PARTITION_SIZE
 $(error BOARD_OEMIMAGE_PARTITION_SIZE is not set.)
 endif
@@ -36,11 +45,11 @@ $(INSTALLED_OEMIMAGE_TARGET) : $(INTERNAL_USERIMAGES_DEPS) $(INTERNAL_OEMIMAGE_F
 	$(call generate-userimage-prop-dictionary, $(oemimage_intermediates)/oem_image_info.txt, skip_fsck=true)
 	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
 	  ./build/tools/releasetools/build_image.py \
-	  $(TARGET_OUT_OEM) $(oemimage_intermediates)/oem_image_info.txt $@
+	  $(TARGET_OUT_OEM) $(oemimage_intermediates)/oem_image_info.txt $@ $(TARGET_OUT)
 	$(hide) $(call assert-max-image-size,$@,$(BOARD_OEMIMAGE_PARTITION_SIZE))
 
 .PHONY: oem_image
 oem_image : $(INSTALLED_OEMIMAGE_TARGET)
 $(call dist-for-goals, oem_image, $(INSTALLED_OEMIMAGE_TARGET))
 
-endif  # oem_image in $(MAKECMDGOALS)
+endif
diff --git a/core/tasks/old-cts.mk b/core/tasks/old-cts.mk
new file mode 100644
index 000000000..70246387b
--- /dev/null
+++ b/core/tasks/old-cts.mk
@@ -0,0 +1,399 @@
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+cts_dir := $(HOST_OUT)/old-cts
+cts_tools_src_dir := cts/tools
+
+cts_name := old-android-cts
+
+JUNIT_HOST_JAR := $(HOST_OUT_JAVA_LIBRARIES)/junit.jar
+HOSTTESTLIB_JAR := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar
+TF_JAR := $(HOST_OUT_JAVA_LIBRARIES)/tradefed-prebuilt.jar
+CTS_TF_JAR := $(HOST_OUT_JAVA_LIBRARIES)/old-cts-tradefed.jar
+CTS_TF_EXEC_PATH ?= $(HOST_OUT_EXECUTABLES)/old-cts-tradefed
+CTS_TF_README_PATH := $(cts_tools_src_dir)/tradefed-host/README
+
+VMTESTSTF_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,vm-tests-tf,HOST)
+VMTESTSTF_JAR := $(VMTESTSTF_INTERMEDIATES)/android.core.vm-tests-tf.jar
+
+# The list of test packages that core-tests (libcore/Android.mk)
+# is split into.
+CTS_CORE_CASE_LIST := \
+	android.core.tests.libcore.package.dalvik \
+	android.core.tests.libcore.package.com \
+	android.core.tests.libcore.package.conscrypt \
+	android.core.tests.libcore.package.sun \
+	android.core.tests.libcore.package.tests \
+	android.core.tests.libcore.package.org \
+	android.core.tests.libcore.package.libcore \
+	android.core.tests.libcore.package.jsr166 \
+	android.core.tests.libcore.package.harmony_annotation \
+	android.core.tests.libcore.package.harmony_java_io \
+	android.core.tests.libcore.package.harmony_java_lang \
+	android.core.tests.libcore.package.harmony_java_math \
+	android.core.tests.libcore.package.harmony_java_net \
+	android.core.tests.libcore.package.harmony_java_nio \
+	android.core.tests.libcore.package.harmony_java_text \
+	android.core.tests.libcore.package.harmony_java_util \
+	android.core.tests.libcore.package.harmony_javax_security \
+	android.core.tests.libcore.package.okhttp \
+	android.core.tests.runner
+
+# Additional CTS packages for code under libcore
+CTS_CORE_CASE_LIST += \
+	android.core.tests.libcore.package.tzdata
+
+# The list of test packages that apache-harmony-tests (external/apache-harmony/Android.mk)
+# is split into.
+CTS_CORE_CASE_LIST += \
+	android.core.tests.libcore.package.harmony_beans \
+	android.core.tests.libcore.package.harmony_logging \
+	android.core.tests.libcore.package.harmony_prefs \
+	android.core.tests.libcore.package.harmony_sql
+
+
+CTS_TEST_JAR_LIST := \
+	cts-junit \
+	CtsJdwp \
+	cts-testng \
+	CtsLibcoreOj
+
+# Depend on the full package paths rather than the phony targets to avoid
+# rebuilding the packages every time.
+CTS_CORE_CASES := $(foreach pkg,$(CTS_CORE_CASE_LIST),$(call intermediates-dir-for,APPS,$(pkg))/package.apk)
+CTS_TEST_JAR_FILES := $(foreach c,$(CTS_TEST_JAR_LIST),$(call intermediates-dir-for,JAVA_LIBRARIES,$(c))/javalib.jar)
+
+-include cts/OldCtsTestCaseList.mk
+
+# A module may have mutliple installed files (e.g. split apks)
+CTS_CASE_LIST_APKS :=
+$(foreach m, $(CTS_TEST_CASE_LIST),\
+  $(foreach fp, $(ALL_MODULES.$(m).BUILT_INSTALLED),\
+    $(eval pair := $(subst :,$(space),$(fp)))\
+    $(eval CTS_CASE_LIST_APKS += $(CTS_TESTCASES_OUT)/$(notdir $(word 2,$(pair))))))\
+$(foreach m, $(CTS_CORE_CASE_LIST),\
+  $(foreach fp, $(ALL_MODULES.$(m).BUILT_INSTALLED),\
+    $(eval pair := $(subst :,$(space),$(fp)))\
+    $(eval built := $(word 1,$(pair)))\
+    $(eval installed := $(CTS_TESTCASES_OUT)/$(notdir $(word 2,$(pair))))\
+    $(eval $(call copy-one-file, $(built), $(installed)))\
+    $(eval CTS_CASE_LIST_APKS += $(installed))))
+
+CTS_CASE_LIST_JARS :=
+$(foreach m, $(CTS_TEST_JAR_LIST),\
+  $(eval CTS_CASE_LIST_JARS += $(CTS_TESTCASES_OUT)/$(m).jar))
+
+CTS_SHARED_LIBS :=
+
+DEFAULT_TEST_PLAN := $(cts_dir)/$(cts_name)/resource/plans
+$(cts_dir)/all_cts_files_stamp: $(CTS_CORE_CASES) $(CTS_TEST_JAR_FILES) $(CTS_TEST_CASES) $(CTS_CASE_LIST_APKS) $(CTS_CASE_LIST_JARS) $(JUNIT_HOST_JAR) $(HOSTTESTLIB_JAR) $(CTS_HOST_LIBRARY_JARS) $(TF_JAR) $(VMTESTSTF_JAR) $(CTS_TF_JAR) $(CTS_TF_EXEC_PATH) $(CTS_TF_README_PATH) $(ADDITIONAL_TF_JARS) $(ACP) $(CTS_SHARED_LIBS)
+
+# Make necessary directory for CTS
+	$(hide) mkdir -p $(TMP_DIR)
+	$(hide) mkdir -p $(PRIVATE_DIR)/docs
+	$(hide) mkdir -p $(PRIVATE_DIR)/tools
+	$(hide) mkdir -p $(PRIVATE_DIR)/repository/testcases
+	$(hide) mkdir -p $(PRIVATE_DIR)/repository/plans
+# Copy executable and JARs to CTS directory
+	$(hide) $(ACP) -fp $(VMTESTSTF_JAR) $(CTS_TESTCASES_OUT)
+	$(hide) $(ACP) -fp $(HOSTTESTLIB_JAR) $(CTS_HOST_LIBRARY_JARS) $(TF_JAR) $(CTS_TF_JAR) $(CTS_TF_EXEC_PATH) $(ADDITIONAL_TF_JARS) $(CTS_TF_README_PATH) $(PRIVATE_DIR)/tools
+	$(hide) $(call copy-files-with-structure, $(CTS_SHARED_LIBS),$(HOST_OUT)/,$(PRIVATE_DIR))
+	$(hide) touch $@
+
+# Generate the test descriptions for the core-tests
+# Parameters:
+# $1 : The output file where the description should be written (without the '.xml' extension)
+# $2 : The AndroidManifest.xml corresponding to the test package
+# $3 : The jar file name on PRIVATE_CLASSPATH containing junit tests to search for
+# $4 : The package prefix of classes to include, possible empty
+# $5 : The architecture of the current build
+# $6 : The directory containing vogar expectations files
+# $7 : The Android.mk corresponding to the test package (required for host-side tests only)
+define generate-core-test-description
+@echo "Generate core-test description ("$(notdir $(1))")"
+$(hide) java -Xmx256M \
+	-Xbootclasspath/a:$(PRIVATE_CLASSPATH):$(JUNIT_HOST_JAR) \
+	-classpath $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar:$(HOST_JDK_TOOLS_JAR) \
+	$(PRIVATE_PARAMS) CollectAllTests $(1) $(2) $(3) "$(4)" $(5) $(6) $(7)
+endef
+
+OJ_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-oj,,COMMON)
+CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-libart,,COMMON)
+CONSCRYPT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,conscrypt,,COMMON)
+BOUNCYCASTLE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,bouncycastle,,COMMON)
+APACHEXML_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-xml,,COMMON)
+OKHTTP_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp-nojarjar,,COMMON)
+OKHTTPTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp-tests-nojarjar,,COMMON)
+OKHTTP_REPACKAGED_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp,,COMMON)
+APACHEHARMONYTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-harmony-tests,,COMMON)
+SQLITEJDBC_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,sqlite-jdbc,,COMMON)
+JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
+CORETESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-tests,,COMMON)
+JSR166TESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,jsr166-tests,,COMMON)
+CONSCRYPTTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,conscrypt-tests,,COMMON)
+TZDATAUPDATETESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,tzdata_update-tests,,COMMON)
+
+GEN_CLASSPATH := \
+    $(OJ_INTERMEDIATES)/classes.jar:$(CORE_INTERMEDIATES)/classes.jar:$(CONSCRYPT_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(APACHEHARMONYTESTS_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(OKHTTPTESTS_INTERMEDIATES)/classes.jar:$(OKHTTP_REPACKAGED_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar:$(JSR166TESTS_INTERMEDIATES)/javalib.jar:$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar:$(TZDATAUPDATETESTS_INTERMEDIATES)/javalib.jar
+
+CTS_CORE_XMLS := \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.jsr166.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_annotation.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_io.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_lang.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_math.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_net.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_nio.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_text.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_util.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_javax_security.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tzdata.xml \
+
+$(CTS_CORE_XMLS): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
+# Why does this depend on javalib.jar instead of classes.jar?  Because
+# even though the tool will operate on the classes.jar files, the
+# build system requires that dependencies use javalib.jar.  If
+# javalib.jar is up-to-date, then classes.jar is as well.  Depending
+# on classes.jar will build the files incorrectly.
+CTS_CORE_XMLS_DEPS := $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(JUNIT_HOST_JAR) $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(OKHTTPTESTS_INTERMEDIATES)/javalib.jar $(OKHTTP_REPACKAGED_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar $(JSR166TESTS_INTERMEDIATES)/javalib.jar $(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar $(TZDATAUPDATETESTS_INTERMEDIATES)/javalib.jar build/core/tasks/cts.mk | $(ACP)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik,\
+		cts/tests/core/libcore/dalvik/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,dalvik,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com,\
+		cts/tests/core/libcore/com/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,com,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt,\
+		cts/tests/core/libcore/conscrypt/AndroidManifest.xml,\
+		$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar,,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun,\
+		cts/tests/core/libcore/sun/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,sun,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests,\
+		cts/tests/core/libcore/tests/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,tests,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org,\
+		cts/tests/core/libcore/org/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,\
+		org.w3c.domts:\
+		org.apache.harmony.security.tests:\
+		org.apache.harmony.nio.tests:\
+		org.apache.harmony.crypto.tests:\
+		org.apache.harmony.regex.tests:\
+		org.apache.harmony.luni.tests:\
+		org.apache.harmony.tests.internal.net.www.protocol:\
+		org.apache.harmony.tests.javax.net:\
+		org.apache.harmony.tests.javax.xml:\
+		org.json,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore,\
+		cts/tests/core/libcore/libcore/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,libcore,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.jsr166.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.jsr166,\
+		cts/tests/core/libcore/jsr166/AndroidManifest.xml,\
+		$(JSR166TESTS_INTERMEDIATES)/javalib.jar,jsr166,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_annotation.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_annotation,\
+		cts/tests/core/libcore/harmony_annotation/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.annotation.tests,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_io.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_io,\
+		cts/tests/core/libcore/harmony_java_io/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.io,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_lang.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_lang,\
+		cts/tests/core/libcore/harmony_java_lang/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.lang,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_math.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_math,\
+		cts/tests/core/libcore/harmony_java_math/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.math,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_net.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_net,\
+		cts/tests/core/libcore/harmony_java_net/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.net,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_nio.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_nio,\
+		cts/tests/core/libcore/harmony_java_nio/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.nio,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_text.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_text,\
+		cts/tests/core/libcore/harmony_java_text/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.text,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_util.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_java_util,\
+		cts/tests/core/libcore/harmony_java_util/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.java.util,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_javax_security.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_javax_security,\
+		cts/tests/core/libcore/harmony_javax_security/AndroidManifest.xml,\
+		$(CORETESTS_INTERMEDIATES)/javalib.jar,org.apache.harmony.tests.javax.security,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans,\
+		cts/tests/core/libcore/harmony_beans/AndroidManifest.xml,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.beans,\
+		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging,\
+		cts/tests/core/libcore/harmony_logging/AndroidManifest.xml,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.logging,\
+		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs,\
+		cts/tests/core/libcore/harmony_prefs/AndroidManifest.xml,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.prefs,\
+		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql,\
+		cts/tests/core/libcore/harmony_sql/AndroidManifest.xml,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.sql,\
+		$(TARGET_ARCH),libcore/expectations external/apache-harmony/Android.mk)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp,\
+		cts/tests/core/libcore/okhttp/AndroidManifest.xml,\
+		$(OKHTTPTESTS_INTERMEDIATES)/javalib.jar,,\
+		$(TARGET_ARCH),libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tzdata.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tzdata,\
+		cts/tests/core/libcore/tzdata/AndroidManifest.xml,\
+		$(TZDATAUPDATETESTS_INTERMEDIATES)/javalib.jar,,\
+		$(TARGET_ARCH),libcore/expectations)
+
+# ----- Generate the test descriptions for the vm-tests-tf -----
+#
+CORE_VM_TEST_TF_DESC := $(CTS_TESTCASES_OUT)/android.core.vm-tests-tf.xml
+
+# core tests only needed to get hold of junit-framework-classes
+OJ_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-oj,,COMMON)
+CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-libart,,COMMON)
+JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
+
+GEN_CLASSPATH := $(OJ_INTERMEDIATES)/classes.jar:$(CORE_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(VMTESTSTF_JAR):$(TF_JAR)
+
+$(CORE_VM_TEST_TF_DESC): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
+# Please see big comment above on why this line depends on javalib.jar instead of classes.jar
+$(CORE_VM_TEST_TF_DESC): $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(JUNIT_HOST_JAR) $(CORE_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(VMTESTSTF_JAR) | $(ACP)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.vm-tests-tf,\
+		cts/tests/vm-tests-tf/AndroidManifest.xml,\
+		$(VMTESTSTF_JAR),"",\
+		$(TARGET_ARCH),\
+		libcore/expectations,\
+		cts/tools/vm-tests-tf/Android.mk)
+
+# Generate the default test plan for User.
+# Usage: buildCts.py <testRoot> <ctsOutputDir> <tempDir> <androidRootDir> <docletPath>
+
+$(DEFAULT_TEST_PLAN): $(cts_dir)/all_cts_files_stamp $(cts_tools_src_dir)/utils/buildCts.py $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CTS_CORE_XMLS) $(CTS_TEST_XMLS) $(CORE_VM_TEST_TF_DESC)
+	$(hide) $(cts_tools_src_dir)/utils/buildCts.py cts/tests/tests/ $(PRIVATE_DIR) $(TMP_DIR) \
+		$(TOP) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar
+	$(hide) mkdir -p $(dir $@) && touch $@
+
+# Package CTS and clean up.
+#
+# TODO:
+#   Pack cts.bat into the same zip file as well. See http://buganizer/issue?id=1656821 for more details
+INTERNAL_CTS_TARGET := $(cts_dir)/$(cts_name).zip
+$(INTERNAL_CTS_TARGET): PRIVATE_NAME := $(cts_name)
+$(INTERNAL_CTS_TARGET): PRIVATE_CTS_DIR := $(cts_dir)
+$(INTERNAL_CTS_TARGET): PRIVATE_DIR := $(cts_dir)/$(cts_name)
+$(INTERNAL_CTS_TARGET): TMP_DIR := $(cts_dir)/temp
+$(INTERNAL_CTS_TARGET): $(cts_dir)/all_cts_files_stamp $(DEFAULT_TEST_PLAN)
+	$(hide) echo "Package CTS: $@"
+	$(hide) cd $(dir $@) && zip -rqX $(notdir $@) $(PRIVATE_NAME)
+
+.PHONY: old-cts
+old-cts: $(INTERNAL_CTS_TARGET) adb
+$(call dist-for-goals,old-cts,$(INTERNAL_CTS_TARGET))
diff --git a/core/tasks/sdk-addon.mk b/core/tasks/sdk-addon.mk
index 5ac9b7d47..362b22935 100644
--- a/core/tasks/sdk-addon.mk
+++ b/core/tasks/sdk-addon.mk
@@ -111,13 +111,13 @@ $(full_target): $(sdk_addon_deps) | $(ACP)
 	    $(ACP) -r $$d $(PRIVATE_STAGING_DIR)/docs ;\
 	  done
 	$(hide) mkdir -p $(dir $@)
-	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rq $$F $(notdir $(PRIVATE_STAGING_DIR)) )
+	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rqX $$F $(notdir $(PRIVATE_STAGING_DIR)) )
 
 $(full_target_img): PRIVATE_STAGING_DIR := $(call append-path,$(staging),$(addon_dir_img))/images/$(TARGET_CPU_ABI)
 $(full_target_img): $(full_target) $(addon_img_source_prop)
 	@echo Packaging SDK Addon System-Image: $@
 	$(hide) mkdir -p $(dir $@)
-	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rq $$F $(notdir $(PRIVATE_STAGING_DIR)) )
+	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rqX $$F $(notdir $(PRIVATE_STAGING_DIR)) )
 
 
 .PHONY: sdk_addon
diff --git a/core/tasks/tools/build_custom_image.mk b/core/tasks/tools/build_custom_image.mk
new file mode 100644
index 000000000..ec491fa85
--- /dev/null
+++ b/core/tasks/tools/build_custom_image.mk
@@ -0,0 +1,117 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+# Define rule to build one custom image.
+# Input variables: my_custom_imag_makefile
+
+$(call clear-var-list, $(custom_image_parameter_variables))
+
+include $(my_custom_imag_makefile)
+
+my_custom_image_name := $(basename $(notdir $(my_custom_imag_makefile)))
+
+intermediates := $(call intermediates-dir-for,PACKAGING,$(my_custom_image_name))
+my_built_custom_image := $(intermediates)/$(my_custom_image_name).img
+my_staging_dir := $(intermediates)/$(CUSTOM_IMAGE_MOUNT_POINT)
+
+# Collect CUSTOM_IMAGE_MODULES's installd files and their PICKUP_FILES.
+my_built_modules :=
+my_copy_pairs :=
+my_pickup_files :=
+
+$(foreach m,$(CUSTOM_IMAGE_MODULES),\
+  $(eval _pickup_files := $(strip $(ALL_MODULES.$(m).PICKUP_FILES)\
+    $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PICKUP_FILES)))\
+  $(eval _built_files := $(strip $(ALL_MODULES.$(m).BUILT_INSTALLED)\
+    $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).BUILT_INSTALLED)))\
+  $(if $(_pickup_files)$(_built_files),,\
+    $(warning Unknown installed file for module '$(m)'))\
+  $(eval my_pickup_files += $(_pickup_files))\
+  $(foreach i, $(_built_files),\
+    $(eval bui_ins := $(subst :,$(space),$(i)))\
+    $(eval ins := $(word 2,$(bui_ins)))\
+    $(if $(filter $(TARGET_OUT_ROOT)/%,$(ins)),\
+      $(eval bui := $(word 1,$(bui_ins)))\
+      $(eval my_built_modules += $(bui))\
+      $(eval my_copy_dest := $(patsubst $(PRODUCT_OUT)/%,%,$(ins)))\
+      $(eval my_copy_dest := $(subst /,$(space),$(my_copy_dest)))\
+      $(eval my_copy_dest := $(wordlist 2,999,$(my_copy_dest)))\
+      $(eval my_copy_dest := $(subst $(space),/,$(my_copy_dest)))\
+      $(eval my_copy_pairs += $(bui):$(my_staging_dir)/$(my_copy_dest)))\
+  ))
+
+# Collect CUSTOM_IMAGE_COPY_FILES.
+my_image_copy_files :=
+$(foreach f,$(CUSTOM_IMAGE_COPY_FILES),\
+  $(eval pair := $(subst :,$(space),$(f)))\
+  $(eval src := $(word 1,$(pair)))\
+  $(eval my_image_copy_files += $(src))\
+  $(eval my_copy_pairs += $(src):$(my_staging_dir)/$(word 2,$(pair))))
+
+$(my_built_custom_image): PRIVATE_INTERMEDIATES := $(intermediates)
+$(my_built_custom_image): PRIVATE_MOUNT_POINT := $(CUSTOM_IMAGE_MOUNT_POINT)
+$(my_built_custom_image): PRIVATE_PARTITION_SIZE := $(CUSTOM_IMAGE_PARTITION_SIZE)
+$(my_built_custom_image): PRIVATE_FILE_SYSTEM_TYPE := $(CUSTOM_IMAGE_FILE_SYSTEM_TYPE)
+$(my_built_custom_image): PRIVATE_STAGING_DIR := $(my_staging_dir)
+$(my_built_custom_image): PRIVATE_COPY_PAIRS := $(my_copy_pairs)
+$(my_built_custom_image): PRIVATE_PICKUP_FILES := $(my_pickup_files)
+$(my_built_custom_image): PRIVATE_SELINUX := $(CUSTOM_IMAGE_SELINUX)
+$(my_built_custom_image): PRIVATE_SUPPORT_VERITY := $(CUSTOM_IMAGE_SUPPORT_VERITY)
+$(my_built_custom_image): PRIVATE_VERITY_KEY := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY)
+$(my_built_custom_image): PRIVATE_VERITY_BLOCK_DEVICE := $(CUSTOM_IMAGE_VERITY_BLOCK_DEVICE)
+$(my_built_custom_image): PRIVATE_DICT_FILE := $(CUSTOM_IMAGE_DICT_FILE)
+$(my_built_custom_image): $(INTERNAL_USERIMAGES_DEPS) $(my_built_modules) $(my_image_copy_files) \
+  $(CUSTOM_IMAGE_DICT_FILE)
+	@echo "Build image $@"
+	$(hide) rm -rf $(PRIVATE_INTERMEDIATES) && mkdir -p $(PRIVATE_INTERMEDIATES)
+	$(hide) rm -rf $(PRIVATE_STAGING_DIR) && mkdir -p $(PRIVATE_STAGING_DIR)
+	# Copy all the files.
+	$(hide) $(foreach p,$(PRIVATE_COPY_PAIRS),\
+	          $(eval pair := $(subst :,$(space),$(p)))\
+	          mkdir -p $(dir $(word 2,$(pair)));\
+	          cp -Rf $(word 1,$(pair)) $(word 2,$(pair));)
+	$(if $($(PRIVATE_PICKUP_FILES)),$(hide) cp -Rf $(PRIVATE_PICKUP_FILES) $(PRIVATE_STAGING_DIR))
+	# Generate the dict.
+	$(hide) echo "# For all accepted properties, see BuildImage() in tools/releasetools/build_image.py" > $(PRIVATE_INTERMEDIATES)/image_info.txt
+	$(hide) echo "mount_point=$(PRIVATE_MOUNT_POINT)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt
+	$(hide) echo "fs_type=$(PRIVATE_FILE_SYSTEM_TYPE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt
+	$(hide) echo "partition_size=$(PRIVATE_PARTITION_SIZE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt
+	$(if $(PRIVATE_SELINUX),$(hide) echo "selinux_fc=$(SELINUX_FC)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt)
+	$(if $(PRIVATE_SUPPORT_VERITY),\
+	  $(hide) echo "verity=$(PRIVATE_SUPPORT_VERITY)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+	    echo "verity_key=$(PRIVATE_VERITY_KEY)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+	    echo "verity_signer_cmd=$(VERITY_SIGNER)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+	    echo "verity_block_device=$(PRIVATE_VERITY_BLOCK_DEVICE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt)
+	$(if $(PRIVATE_DICT_FILE),\
+	  $(hide) echo "# Properties from $(PRIVATE_DICT_FILE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+	    cat $(PRIVATE_DICT_FILE) >> $(PRIVATE_INTERMEDIATES)/image_info.txt)
+	# Generate the image.
+	$(if $(filter oem,$(PRIVATE_MOUNT_POINT)), \
+	  $(hide) echo "oem.buildnumber=$(BUILD_NUMBER)" >> $(PRIVATE_STAGING_DIR)/oem.prop)
+	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
+	  ./build/tools/releasetools/build_image.py \
+	  $(PRIVATE_STAGING_DIR) $(PRIVATE_INTERMEDIATES)/image_info.txt $@ $(TARGET_OUT)
+
+my_installed_custom_image := $(PRODUCT_OUT)/$(notdir $(my_built_custom_image))
+$(my_installed_custom_image) : $(my_built_custom_image)
+	$(call copy-file-to-new-target-with-cp)
+
+.PHONY: $(my_custom_image_name)
+custom_images $(my_custom_image_name) : $(my_installed_custom_image)
+
+# Archive the built image.
+$(call dist-for-goals, $(my_custom_image_name) custom_images,$(my_installed_custom_image))
diff --git a/core/tasks/tools/compatibility.mk b/core/tasks/tools/compatibility.mk
new file mode 100644
index 000000000..d8f900e4e
--- /dev/null
+++ b/core/tasks/tools/compatibility.mk
@@ -0,0 +1,52 @@
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Package up a compatibility test suite in a zip file.
+#
+# Input variables:
+#   test_suite_name: the name of this test suite eg. cts
+#   test_suite_tradefed: the name of this test suite's tradefed wrapper
+#   test_suite_dynamic_config: the path to this test suite's dynamic configuration file
+#   test_suite_readme: the path to a README file for this test suite
+# Output variables:
+#   compatibility_zip: the path to the output zip file.
+
+out_dir := $(HOST_OUT)/$(test_suite_name)/android-$(test_suite_name)
+test_artifacts := $(COMPATIBILITY.$(test_suite_name).FILES)
+test_tools := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/tradefed-prebuilt.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/compatibility-host-util.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/$(test_suite_tradefed).jar \
+  $(HOST_OUT_EXECUTABLES)/$(test_suite_tradefed) \
+  $(test_suite_readme)
+
+compatibility_zip := $(out_dir).zip
+$(compatibility_zip): PRIVATE_NAME := android-$(test_suite_name)
+$(compatibility_zip): PRIVATE_OUT_DIR := $(out_dir)
+$(compatibility_zip): PRIVATE_TOOLS := $(test_tools)
+$(compatibility_zip): PRIVATE_SUITE_NAME := $(test_suite_name)
+$(compatibility_zip): PRIVATE_DYNAMIC_CONFIG := $(test_suite_dynamic_config)
+$(compatibility_zip): $(test_artifacts) $(test_tools) $(test_suite_dynamic_config) | $(ADB) $(ACP)
+# Make dir structure
+	$(hide) mkdir -p $(PRIVATE_OUT_DIR)/tools $(PRIVATE_OUT_DIR)/testcases
+# Copy tools
+	$(hide) $(ACP) -fp $(PRIVATE_TOOLS) $(PRIVATE_OUT_DIR)/tools
+	$(if $(PRIVATE_DYNAMIC_CONFIG),$(hide) $(ACP) -fp $(PRIVATE_DYNAMIC_CONFIG) $(PRIVATE_OUT_DIR)/testcases/$(PRIVATE_SUITE_NAME).dynamic)
+	$(hide) cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME)
+
+# Reset all input variables
+test_suite_name :=
+test_suite_tradefed :=
+test_suite_dynamic_config :=
+test_suite_readme :=
diff --git a/core/tasks/tools/package-modules.mk b/core/tasks/tools/package-modules.mk
index bd9cf57f7..24a7608b2 100644
--- a/core/tasks/tools/package-modules.mk
+++ b/core/tasks/tools/package-modules.mk
@@ -41,7 +41,7 @@ define copy-tests-in-batch
 $(hide) $(foreach p, $(1),\
   $(eval pair := $(subst :,$(space),$(p)))\
   mkdir -p $(dir $(word 2,$(pair)));\
-  cp -rf $(word 1,$(pair)) $(word 2,$(pair));)
+  cp -Rf $(word 1,$(pair)) $(word 2,$(pair));)
 endef
 
 my_package_zip := $(my_staging_dir)/$(my_package_name).zip
@@ -58,5 +58,5 @@ $(my_package_zip) : $(my_built_modules)
 	$(call copy-tests-in-batch,$(wordlist 1001,1200,$(PRIVATE_COPY_PAIRS)))
 	$(call copy-tests-in-batch,$(wordlist 1201,9999,$(PRIVATE_COPY_PAIRS)))
 	$(hide) $(foreach f, $(PRIVATE_PICKUP_FILES),\
-	  cp -rf $(f) $(dir $@);)
-	$(hide) cd $(dir $@) && zip -rq $(notdir $@) *
+	  cp -RfL $(f) $(dir $@);)
+	$(hide) cd $(dir $@) && zip -rqX $(notdir $@) *
diff --git a/core/tasks/vendor_module_check.mk b/core/tasks/vendor_module_check.mk
index d8e8ec73e..e3761aec5 100644
--- a/core/tasks/vendor_module_check.mk
+++ b/core/tasks/vendor_module_check.mk
@@ -22,8 +22,10 @@ _vendor_owner_whitelist := \
         broadcom \
         csr \
         elan \
+        fpc \
         google \
         htc \
+        huawei \
         imgtec \
         invensense \
         intel \
@@ -41,6 +43,7 @@ _vendor_owner_whitelist := \
         synaptics \
         ti \
         trusted_logic \
+        verizon \
         widevine
 
 
diff --git a/target/product/runtime_libdvm_default.mk b/core/tasks/vts.mk
similarity index 65%
rename from target/product/runtime_libdvm_default.mk
rename to core/tasks/vts.mk
index b581ce5ec..507f22ea8 100644
--- a/target/product/runtime_libdvm_default.mk
+++ b/core/tasks/vts.mk
@@ -1,5 +1,4 @@
-#
-# Copyright (C) 2013 The Android Open Source Project
+# Copyright (C) 2016 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,10 +11,13 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
 
-# Set Dalvik as the default runtime environment
+test_suite_name := vts
+test_suite_tradefed := vts-tradefed
+test_suite_readme := test/vts/README.md
 
-DALVIK_VM_LIB := libdvm.so
+include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
 
-include $(SRC_TARGET_DIR)/product/runtime_libdvm.mk
+.PHONY: vts
+vts: $(compatibility_zip)
+$(call dist-for-goals, vts, $(compatibility_zip))
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index d87a03238..7c9634490 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -24,6 +24,8 @@
 #     DEFAULT_APP_TARGET_SDK
 #     BUILD_ID
 #     BUILD_NUMBER
+#     BUILD_DATETIME
+#     PLATFORM_SECURITY_PATCH
 #
 
 # Look for an optional file containing overrides of the defaults,
@@ -41,7 +43,16 @@ ifeq "" "$(PLATFORM_VERSION)"
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 5.1
+
+  # When you add a new PLATFORM_VERSION which will result in a new
+  # PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast*
+  # method in the following java file:
+  # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
+
+  # When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION
+  # please add that PLATFORM_VERSION to the following text file:
+  # cts/tests/tests/os/assets/platform_versions.txt
+  PLATFORM_VERSION := 7.1.2
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -53,7 +64,24 @@ ifeq "" "$(PLATFORM_SDK_VERSION)"
   # intermediate builds).  During development, this number remains at the
   # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
   # the code-name of the new development work.
-  PLATFORM_SDK_VERSION := 22
+
+  # When you change PLATFORM_SDK_VERSION please ensure you also update the
+  # corresponding methods for isAtLeast* in the following java file:
+  # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
+
+  # When you increment the PLATFORM_SDK_VERSION please ensure you also
+  # clear out the following text file of all older PLATFORM_VERSION's:
+  # cts/tests/tests/os/assets/platform_versions.txt
+  PLATFORM_SDK_VERSION := 25
+endif
+
+ifeq "" "$(PLATFORM_JACK_MIN_SDK_VERSION)"
+  # This is definition of the min SDK version given to Jack for the current
+  # platform. For released version it should be the same as
+  # PLATFORM_SDK_VERSION. During development, this number may be incremented
+  # before PLATFORM_SDK_VERSION if the plateform starts to add new java
+  # language supports.
+  PLATFORM_JACK_MIN_SDK_VERSION := 25
 endif
 
 ifeq "" "$(PLATFORM_VERSION_CODENAME)"
@@ -67,6 +95,23 @@ ifeq "" "$(PLATFORM_VERSION_CODENAME)"
   PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
 endif
 
+ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"
+  PLATFORM_PREVIEW_SDK_VERSION := 0
+else
+  ifeq "" "$(PLATFORM_PREVIEW_SDK_VERSION)"
+    # This is the definition of a preview SDK version over and above the current
+    # platform SDK version. Unlike the platform SDK version, a higher value
+    # for preview SDK version does NOT mean that all prior preview APIs are
+    # included. Packages reading this value to determine compatibility with
+    # known APIs should check that this value is precisely equal to the preview
+    # SDK version the package was built for, otherwise it should fall back to
+    # assuming the device can only support APIs as of the previous official
+    # public release.
+    # This value will always be 0 for release builds.
+    PLATFORM_PREVIEW_SDK_VERSION := 0
+  endif
+endif
+
 ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
   # This is the default minSdkVersion and targetSdkVersion to use for
   # all .apks created by the build system.  It can be overridden by explicitly
@@ -80,6 +125,23 @@ ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
   endif
 endif
 
+ifeq "" "$(PLATFORM_SECURITY_PATCH)"
+    #  Used to indicate the security patch that has been applied to the device.
+    #  It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin.
+    #  It must be of the form "YYYY-MM-DD" on production devices.
+    #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
+    #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
+    PLATFORM_SECURITY_PATCH := 2017-08-05
+endif
+
+ifeq "" "$(PLATFORM_BASE_OS)"
+  # Used to indicate the base os applied to the device.
+  # Can be an arbitrary string, but must be a single word.
+  #
+  # If there is no $PLATFORM_BASE_OS set, keep it empty.
+  PLATFORM_BASE_OS :=
+endif
+
 ifeq "" "$(BUILD_ID)"
   # Used to signify special builds.  E.g., branches and/or releases,
   # like "M5-RC7".  Can be an arbitrary string, but must be a single
@@ -89,6 +151,18 @@ ifeq "" "$(BUILD_ID)"
   BUILD_ID := UNKNOWN
 endif
 
+ifeq "" "$(BUILD_DATETIME)"
+  # Used to reproduce builds by setting the same time. Must be the number
+  # of seconds since the Epoch.
+  BUILD_DATETIME := $(shell date +%s)
+endif
+
+ifneq (,$(findstring Darwin,$(shell uname -sm)))
+DATE := date -r $(BUILD_DATETIME)
+else
+DATE := date -d @$(BUILD_DATETIME)
+endif
+
 ifeq "" "$(BUILD_NUMBER)"
   # BUILD_NUMBER should be set to the source control value that
   # represents the current state of the source code.  E.g., a
@@ -99,5 +173,5 @@ ifeq "" "$(BUILD_NUMBER)"
   # If no BUILD_NUMBER is set, create a useful "I am an engineering build
   # from this date/time" value.  Make it start with a non-digit so that
   # anyone trying to parse it as an integer will probably get "0".
-  BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S)
+  BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S)
 endif
diff --git a/envsetup.sh b/envsetup.sh
index d80e95c39..29710ac4b 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1,54 +1,125 @@
 function hmm() {
 cat <<EOF
 Invoke ". build/envsetup.sh" from your shell to add the following functions to your environment:
-- lunch:   lunch <product_name>-<build_variant>
-- tapas:   tapas [<App1> <App2> ...] [arm|x86|mips|armv5|arm64|x86_64|mips64] [eng|userdebug|user]
-- croot:   Changes directory to the top of the tree.
-- m:       Makes from the top of the tree.
-- mm:      Builds all of the modules in the current directory, but not their dependencies.
-- mmm:     Builds all of the modules in the supplied directories, but not their dependencies.
-           To limit the modules being built use the syntax: mmm dir/:target1,target2.
-- mma:     Builds all of the modules in the current directory, and their dependencies.
-- mmma:    Builds all of the modules in the supplied directories, and their dependencies.
-- cgrep:   Greps on all local C/C++ files.
-- ggrep:   Greps on all local Gradle files.
-- jgrep:   Greps on all local Java files.
-- resgrep: Greps on all local res/*.xml files.
-- sgrep:   Greps on all local source files.
-- godir:   Go to the directory containing a file.
+- lunch:     lunch <product_name>-<build_variant>
+- tapas:     tapas [<App1> <App2> ...] [arm|x86|mips|armv5|arm64|x86_64|mips64] [eng|userdebug|user]
+- croot:     Changes directory to the top of the tree.
+- m:         Makes from the top of the tree.
+- mm:        Builds all of the modules in the current directory, but not their dependencies.
+- mmm:       Builds all of the modules in the supplied directories, but not their dependencies.
+             To limit the modules being built use the syntax: mmm dir/:target1,target2.
+- mma:       Builds all of the modules in the current directory, and their dependencies.
+- mmma:      Builds all of the modules in the supplied directories, and their dependencies.
+- provision: Flash device with all required partitions. Options will be passed on to fastboot.
+- cgrep:     Greps on all local C/C++ files.
+- ggrep:     Greps on all local Gradle files.
+- jgrep:     Greps on all local Java files.
+- resgrep:   Greps on all local res/*.xml files.
+- mangrep:   Greps on all local AndroidManifest.xml files.
+- mgrep:     Greps on all local Makefiles files.
+- sepgrep:   Greps on all local sepolicy files.
+- sgrep:     Greps on all local source files.
+- godir:     Go to the directory containing a file.
+
+EOF
+
+    __print_cm_functions_help
+
+cat <<EOF
+
+Environment options:
+- SANITIZE_HOST: Set to 'true' to use ASAN for all host modules. Note that
+                 ASAN_OPTIONS=detect_leaks=0 will be set by default until the
+                 build is leak-check clean.
 
 Look at the source to view more functions. The complete list is:
 EOF
     T=$(gettop)
-    local A
-    A=""
-    for i in `cat $T/build/envsetup.sh | sed -n "/^[ \t]*function /s/function \([a-z_]*\).*/\1/p" | sort | uniq`; do
-      A="$A $i"
+    for i in `cat $T/build/envsetup.sh $T/vendor/cm/build/envsetup.sh | sed -n "/^[[:blank:]]*function /s/function \([a-z_]*\).*/\1/p" | sort | uniq`; do
+      echo "$i"
+    done | column
+}
+
+# Get all the build variables needed by this script in a single call to the build system.
+function build_build_var_cache()
+{
+    T=$(gettop)
+    # Grep out the variable names from the script.
+    cached_vars=`cat $T/build/envsetup.sh $T/vendor/cm/build/envsetup.sh | tr '()' '  ' | awk '{for(i=1;i<=NF;i++) if($i~/get_build_var/) print $(i+1)}' | sort -u | tr '\n' ' '`
+    cached_abs_vars=`cat $T/build/envsetup.sh $T/vendor/cm/build/envsetup.sh | tr '()' '  ' | awk '{for(i=1;i<=NF;i++) if($i~/get_abs_build_var/) print $(i+1)}' | sort -u | tr '\n' ' '`
+    # Call the build system to dump the "<val>=<value>" pairs as a shell script.
+    build_dicts_script=`\cd $T; export CALLED_FROM_SETUP=true; export BUILD_SYSTEM=build/core; \
+                        command make --no-print-directory -f build/core/config.mk \
+                        dump-many-vars \
+                        DUMP_MANY_VARS="$cached_vars" \
+                        DUMP_MANY_ABS_VARS="$cached_abs_vars" \
+                        DUMP_VAR_PREFIX="var_cache_" \
+                        DUMP_ABS_VAR_PREFIX="abs_var_cache_"`
+    local ret=$?
+    if [ $ret -ne 0 ]
+    then
+        unset build_dicts_script
+        return $ret
+    fi
+    # Excute the script to store the "<val>=<value>" pairs as shell variables.
+    eval "$build_dicts_script"
+    ret=$?
+    unset build_dicts_script
+    if [ $ret -ne 0 ]
+    then
+        return $ret
+    fi
+    BUILD_VAR_CACHE_READY="true"
+}
+
+# Delete the build var cache, so that we can still call into the build system
+# to get build variables not listed in this script.
+function destroy_build_var_cache()
+{
+    unset BUILD_VAR_CACHE_READY
+    for v in $(echo $cached_vars | tr " " "\n"); do
+      unset var_cache_$v
     done
-    echo $A
+    unset cached_vars
+    for v in $(echo $cached_abs_vars | tr " " "\n"); do
+      unset abs_var_cache_$v
+    done
+    unset cached_abs_vars
 }
 
 # Get the value of a build variable as an absolute path.
 function get_abs_build_var()
 {
+    if [ "$BUILD_VAR_CACHE_READY" = "true" ]
+    then
+        eval echo \"\${abs_var_cache_$1}\"
+    return
+    fi
+
     T=$(gettop)
     if [ ! "$T" ]; then
         echo "Couldn't locate the top of the tree.  Try setting TOP." >&2
         return
     fi
-    (\cd $T; CALLED_FROM_SETUP=true BUILD_SYSTEM=build/core \
+    (\cd $T; export CALLED_FROM_SETUP=true; export BUILD_SYSTEM=build/core; \
       command make --no-print-directory -f build/core/config.mk dumpvar-abs-$1)
 }
 
 # Get the exact value of a build variable.
 function get_build_var()
 {
+    if [ "$BUILD_VAR_CACHE_READY" = "true" ]
+    then
+        eval echo \"\${var_cache_$1}\"
+    return
+    fi
+
     T=$(gettop)
     if [ ! "$T" ]; then
         echo "Couldn't locate the top of the tree.  Try setting TOP." >&2
         return
     fi
-    (\cd $T; CALLED_FROM_SETUP=true BUILD_SYSTEM=build/core \
+    (\cd $T; export CALLED_FROM_SETUP=true; export BUILD_SYSTEM=build/core; \
       command make --no-print-directory -f build/core/config.mk dumpvar-$1)
 }
 
@@ -60,6 +131,19 @@ function check_product()
         echo "Couldn't locate the top of the tree.  Try setting TOP." >&2
         return
     fi
+
+    if (echo -n $1 | grep -q -e "^aopp_") ; then
+        CM_BUILD=$(echo -n $1 | sed -e 's/^aopp_//g')
+        export BUILD_NUMBER=$( (date +%s%N ; echo $CM_BUILD; hostname) | openssl sha1 | sed -e 's/.*=//g; s/ //g' | cut -c1-10 )
+    elif (echo -n $1 | grep -q -e "^cm_") ; then
+        # Fall back to cm_<product>
+        CM_BUILD=$(echo -n $1 | sed -e 's/^cm_//g')
+        export BUILD_NUMBER=$( (date +%s%N ; echo $CM_BUILD; hostname) | openssl sha1 | sed -e 's/.*=//g; s/ //g' | cut -c1-10 )
+    else
+        CM_BUILD=
+    fi
+    export CM_BUILD
+
         TARGET_PRODUCT=$1 \
         TARGET_BUILD_VARIANT= \
         TARGET_BUILD_TYPE= \
@@ -153,23 +237,8 @@ function setpaths()
         export ANDROID_TOOLCHAIN_2ND_ARCH=$gccprebuiltdir/$toolchaindir2
     fi
 
-    unset ANDROID_KERNEL_TOOLCHAIN_PATH
-    case $ARCH in
-        arm)
-            # Legacy toolchain configuration used for ARM kernel compilation
-            toolchaindir=arm/arm-eabi-$targetgccversion/bin
-            if [ -d "$gccprebuiltdir/$toolchaindir" ]; then
-                 export ARM_EABI_TOOLCHAIN="$gccprebuiltdir/$toolchaindir"
-                 ANDROID_KERNEL_TOOLCHAIN_PATH="$ARM_EABI_TOOLCHAIN":
-            fi
-            ;;
-        *)
-            # No need to set ARM_EABI_TOOLCHAIN for other ARCHs
-            ;;
-    esac
-
-    export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools
-    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
+    export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools:$T/external/selinux/prebuilts/bin
+    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_DEV_SCRIPTS:
 
     # If prebuilts/android-emulator/<system>/ exists, prepend it to our PATH
     # to ensure that the corresponding 'emulator' binaries are used.
@@ -190,6 +259,7 @@ function setpaths()
     fi
 
     export PATH=$ANDROID_BUILD_PATHS$PATH
+    export PYTHONPATH=$T/development/python-packages:$PYTHONPATH
 
     unset ANDROID_JAVA_TOOLCHAIN
     unset ANDROID_PRE_BUILD_PATHS
@@ -227,10 +297,11 @@ function set_stuff_for_environment()
     set_java_home
     setpaths
     set_sequence_number
+    setvariables
 
-    export ANDROID_BUILD_TOP=$(gettop)
     # With this environment variable new GCC can apply colors to warnings/errors
     export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
+    export ASAN_OPTIONS=detect_leaks=0
 }
 
 function set_sequence_number()
@@ -238,6 +309,11 @@ function set_sequence_number()
     export BUILD_ENV_SEQUENCE_NUMBER=10
 }
 
+function setvariables()
+{
+    export WITH_SU=true
+}
+
 function settitle()
 {
     if [ "$STAY_OFF_MY_LAWN" = "" ]; then
@@ -245,35 +321,42 @@ function settitle()
         local product=$TARGET_PRODUCT
         local variant=$TARGET_BUILD_VARIANT
         local apps=$TARGET_BUILD_APPS
+        if [ -z "$PROMPT_COMMAND"  ]; then
+            # No prompts
+            PROMPT_COMMAND="echo -ne \"\033]0;${USER}@${HOSTNAME}: ${PWD}\007\""
+        elif [ -z "$(echo $PROMPT_COMMAND | grep '033]0;')" ]; then
+            # Prompts exist, but no hardstatus
+            PROMPT_COMMAND="echo -ne \"\033]0;${USER}@${HOSTNAME}: ${PWD}\007\";${PROMPT_COMMAND}"
+        fi
+        if [ ! -z "$ANDROID_PROMPT_PREFIX" ]; then
+            PROMPT_COMMAND="$(echo $PROMPT_COMMAND | sed -e 's/$ANDROID_PROMPT_PREFIX //g')"
+        fi
+
         if [ -z "$apps" ]; then
-            export PROMPT_COMMAND="echo -ne \"\033]0;[${arch}-${product}-${variant}] ${USER}@${HOSTNAME}: ${PWD}\007\""
+            ANDROID_PROMPT_PREFIX="[${arch}-${product}-${variant}]"
         else
-            export PROMPT_COMMAND="echo -ne \"\033]0;[$arch $apps $variant] ${USER}@${HOSTNAME}: ${PWD}\007\""
+            ANDROID_PROMPT_PREFIX="[$arch $apps $variant]"
         fi
+        export ANDROID_PROMPT_PREFIX
+
+        # Inject build data into hardstatus
+        export PROMPT_COMMAND="$(echo $PROMPT_COMMAND | sed -e 's/\\033]0;\(.*\)\\007/\\033]0;$ANDROID_PROMPT_PREFIX \1\\007/g')"
     fi
 }
 
-function addcompletions()
+function check_bash_version()
 {
-    local T dir f
-
     # Keep us from trying to run in something that isn't bash.
     if [ -z "${BASH_VERSION}" ]; then
-        return
+        return 1
     fi
 
     # Keep us from trying to run in bash that's too old.
-    if [ ${BASH_VERSINFO[0]} -lt 3 ]; then
-        return
+    if [ "${BASH_VERSINFO[0]}" -lt 4 ] ; then
+        return 2
     fi
 
-    dir="sdk/bash_completion"
-    if [ -d ${dir} ]; then
-        for f in `/bin/ls ${dir}/[a-z]*.bash 2> /dev/null`; do
-            echo "including $f"
-            . $f
-        done
-    fi
+    return 0
 }
 
 function choosetype()
@@ -325,7 +408,9 @@ function choosetype()
         fi
     done
 
+    build_build_var_cache
     set_stuff_for_environment
+    destroy_build_var_cache
 }
 
 #
@@ -339,9 +424,10 @@ function chooseproduct()
     if [ "x$TARGET_PRODUCT" != x ] ; then
         default_value=$TARGET_PRODUCT
     else
-        default_value=full
+        default_value=aosp_arm
     fi
 
+    export TARGET_BUILD_APPS=
     export TARGET_PRODUCT=
     local ANSWER
     while [ -z "$TARGET_PRODUCT" ]
@@ -369,7 +455,9 @@ function chooseproduct()
         fi
     done
 
+    build_build_var_cache
     set_stuff_for_environment
+    destroy_build_var_cache
 }
 
 function choosevariant()
@@ -432,8 +520,10 @@ function choosecombo()
     choosevariant $3
 
     echo
+    build_build_var_cache
     set_stuff_for_environment
     printconfig
+    destroy_build_var_cache
 }
 
 # Clear this variable.  It will be built up again when the vendorsetup.sh
@@ -465,15 +555,25 @@ function print_lunch_menu()
     echo
     echo "You're building on" $uname
     echo
-    echo "Lunch menu... pick a combo:"
+    if [ "z${CM_DEVICES_ONLY}" != "z" ]; then
+       echo "Breakfast and brunch menu... pick a combo:"
+       echo ""
+    else
+       echo "Lunch menu... pick a combo:"
+       echo ""
+    fi
 
     local i=1
     local choice
     for choice in ${LUNCH_MENU_CHOICES[@]}
     do
-        echo "     $i. $choice"
+        echo " $i. $choice "
         i=$(($i+1))
-    done
+    done | column
+
+    if [ "z${CM_DEVICES_ONLY}" != "z" ]; then
+       echo " ... and don't forget the bacon!"
+    fi
 
     echo
 }
@@ -481,6 +581,7 @@ function print_lunch_menu()
 function lunch()
 {
     local answer
+    LUNCH_MENU_CHOICES=($(for l in ${LUNCH_MENU_CHOICES[@]}; do echo "$l"; done | sort))
 
     if [ "$1" ] ; then
         answer=$1
@@ -515,24 +616,42 @@ function lunch()
 
     export TARGET_BUILD_APPS=
 
+    local variant=$(echo -n $selection | sed -e "s/^[^\-]*-//")
+    check_variant $variant
+    if [ $? -ne 0 ]
+    then
+        echo
+        echo "** Invalid variant: '$variant'"
+        echo "** Must be one of ${VARIANT_CHOICES[@]}"
+        variant=
+    fi
+
     local product=$(echo -n $selection | sed -e "s/-.*$//")
     check_product $product
     if [ $? -ne 0 ]
     then
-        echo
-        echo "** Don't have a product spec for: '$product'"
-        echo "** Do you have the right repo manifest?"
-        product=
+        # if we can't find a product, try to grab it off the CM github
+        T=$(gettop)
+        cd $T > /dev/null
+        vendor/cm/build/tools/roomservice.py $product
+        cd - > /dev/null
+        check_product $product
+    else
+        T=$(gettop)
+        cd $T > /dev/null
+        vendor/cm/build/tools/roomservice.py $product true
+        cd - > /dev/null
     fi
+    TARGET_PRODUCT=$product \
+    TARGET_BUILD_VARIANT=$variant \
+    build_build_var_cache
 
-    local variant=$(echo -n $selection | sed -e "s/^[^\-]*-//")
-    check_variant $variant
     if [ $? -ne 0 ]
     then
         echo
-        echo "** Invalid variant: '$variant'"
-        echo "** Must be one of ${VARIANT_CHOICES[@]}"
-        variant=
+        echo "** Don't have a product spec for: '$product'"
+        echo "** Do you have the right repo manifest?"
+        product=
     fi
 
     if [ -z "$product" -o -z "$variant" ]
@@ -547,8 +666,11 @@ function lunch()
 
     echo
 
+    fixup_common_out_dir
+
     set_stuff_for_environment
     printconfig
+    destroy_build_var_cache
 }
 
 # Tab completion for lunch.
@@ -562,7 +684,7 @@ function _lunch()
     COMPREPLY=( $(compgen -W "${LUNCH_MENU_CHOICES[*]}" -- ${cur}) )
     return 0
 }
-complete -F _lunch lunch
+complete -F _lunch lunch 2>/dev/null
 
 # Configures the build to build unbundled apps.
 # Run tapas with one or more app names (from LOCAL_PACKAGE_NAME)
@@ -586,10 +708,10 @@ function tapas()
         return
     fi
 
-    local product=full
+    local product=aosp_arm
     case $arch in
-      x86)    product=full_x86;;
-      mips)   product=full_mips;;
+      x86)    product=aosp_x86;;
+      mips)   product=aosp_mips;;
       armv5)  product=generic_armv5;;
       arm64)  product=aosp_arm64;;
       x86_64) product=aosp_x86_64;;
@@ -611,8 +733,10 @@ function tapas()
     export TARGET_BUILD_TYPE=release
     export TARGET_BUILD_APPS=$apps
 
+    build_build_var_cache
     set_stuff_for_environment
     printconfig
+    destroy_build_var_cache
 }
 
 function gettop
@@ -664,6 +788,7 @@ function m()
         $DRV make -C $T -f build/core/main.mk $@
     else
         echo "Couldn't locate the top of the tree.  Try setting TOP."
+        return 1
     fi
 }
 
@@ -697,13 +822,14 @@ function mm()
         local M=$(findmakefile)
         local MODULES=
         local GET_INSTALL_PATH=
-        local ARGS=
         # Remove the path to top as the makefilepath needs to be relative
         local M=`echo $M|sed 's:'$T'/::'`
         if [ ! "$T" ]; then
             echo "Couldn't locate the top of the tree.  Try setting TOP."
+            return 1
         elif [ ! "$M" ]; then
             echo "Couldn't locate a makefile from the current directory."
+            return 1
         else
             for ARG in $@; do
                 case $ARG in
@@ -712,12 +838,12 @@ function mm()
             done
             if [ -n "$GET_INSTALL_PATH" ]; then
               MODULES=
-              ARGS=GET-INSTALL-PATH
+              # set all args to 'GET-INSTALL-PATH'
+              set -- GET-INSTALL-PATH
             else
               MODULES=all_modules
-              ARGS=$@
             fi
-            ONE_SHOT_MAKEFILE=$M $DRV make -C $T -f build/core/main.mk $MODULES $ARGS
+            ONE_SHOT_MAKEFILE=$M $DRV make -C $T -f build/core/main.mk $MODULES "$@"
         fi
     fi
 }
@@ -732,8 +858,15 @@ function mmm()
         local ARGS=
         local DIR TO_CHOP
         local GET_INSTALL_PATH=
-        local DASH_ARGS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
-        local DIRS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
+
+        if [ "$(__detect_shell)" = "zsh" ]; then
+            set -lA DASH_ARGS $(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
+            set -lA DIRS $(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
+        else
+            local DASH_ARGS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
+            local DIRS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
+        fi
+
         for DIR in $DIRS ; do
             MODULES=`echo $DIR | sed -n -e 's/.*:\(.*$\)/\1/p' | sed 's/,/ /'`
             if [ "$MODULES" = "" ]; then
@@ -753,9 +886,14 @@ function mmm()
                 MAKEFILE="$MAKEFILE $MFILE"
             else
                 case $DIR in
-                  showcommands | snod | dist | incrementaljavac) ARGS="$ARGS $DIR";;
+                  showcommands | snod | dist | *=*) ARGS="$ARGS $DIR";;
                   GET-INSTALL-PATH) GET_INSTALL_PATH=$DIR;;
-                  *) echo "No Android.mk in $DIR."; return 1;;
+                  *) if [ -d $DIR ]; then
+                         echo "No Android.mk in $DIR.";
+                     else
+                         echo "Couldn't locate the directory $DIR";
+                     fi
+                     return 1;;
                 esac
             fi
         done
@@ -766,6 +904,7 @@ function mmm()
         ONE_SHOT_MAKEFILE="$MAKEFILE" $DRV make -C $T -f build/core/main.mk $DASH_ARGS $MODULES $ARGS
     else
         echo "Couldn't locate the top of the tree.  Try setting TOP."
+        return 1
     fi
 }
 
@@ -778,9 +917,13 @@ function mma()
   else
     if [ ! "$T" ]; then
       echo "Couldn't locate the top of the tree.  Try setting TOP."
+      return 1
     fi
     local MY_PWD=`PWD= /bin/pwd|sed 's:'$T'/::'`
-    $DRV make -C $T -f build/core/main.mk $@ all_modules BUILD_MODULES_IN_PATHS="$MY_PWD"
+    local MODULES_IN_PATHS=MODULES-IN-$MY_PWD
+    # Convert "/" to "-".
+    MODULES_IN_PATHS=${MODULES_IN_PATHS//\//-}
+    $DRV make -C $T -f build/core/main.mk $@ $MODULES_IN_PATHS
   fi
 }
 
@@ -789,8 +932,13 @@ function mmma()
   local T=$(gettop)
   local DRV=$(getdriver $T)
   if [ "$T" ]; then
-    local DASH_ARGS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
-    local DIRS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
+    if [ "$(__detect_shell)" = "zsh" ]; then
+        set -lA DASH_ARGS $(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
+        set -lA DIRS $(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
+    else
+        local DASH_ARGS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
+        local DIRS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
+    fi
     local MY_PWD=`PWD= /bin/pwd`
     if [ "$MY_PWD" = "$T" ]; then
       MY_PWD=
@@ -798,25 +946,30 @@ function mmma()
       MY_PWD=`echo $MY_PWD|sed 's:'$T'/::'`
     fi
     local DIR=
-    local MODULE_PATHS=
+    local MODULES_IN_PATHS=
     local ARGS=
     for DIR in $DIRS ; do
       if [ -d $DIR ]; then
-        if [ "$MY_PWD" = "" ]; then
-          MODULE_PATHS="$MODULE_PATHS $DIR"
-        else
-          MODULE_PATHS="$MODULE_PATHS $MY_PWD/$DIR"
+        # Remove the leading ./ and trailing / if any exists.
+        DIR=${DIR#./}
+        DIR=${DIR%/}
+        if [ "$MY_PWD" != "" ]; then
+          DIR=$MY_PWD/$DIR
         fi
+        MODULES_IN_PATHS="$MODULES_IN_PATHS MODULES-IN-$DIR"
       else
         case $DIR in
-          showcommands | snod | dist | incrementaljavac) ARGS="$ARGS $DIR";;
+          showcommands | snod | dist | *=*) ARGS="$ARGS $DIR";;
           *) echo "Couldn't find directory $DIR"; return 1;;
         esac
       fi
     done
-    $DRV make -C $T -f build/core/main.mk $DASH_ARGS $ARGS all_modules BUILD_MODULES_IN_PATHS="$MODULE_PATHS"
+    # Convert "/" to "-".
+    MODULES_IN_PATHS=${MODULES_IN_PATHS//\//-}
+    $DRV make -C $T -f build/core/main.mk $DASH_ARGS $ARGS $MODULES_IN_PATHS
   else
     echo "Couldn't locate the top of the tree.  Try setting TOP."
+    return 1
   fi
 }
 
@@ -857,18 +1010,18 @@ function qpid() {
         append='$'
         shift
     elif [ "$1" = "--help" -o "$1" = "-h" ]; then
-		echo "usage: qpid [[--exact] <process name|pid>"
-		return 255
-	fi
+        echo "usage: qpid [[--exact] <process name|pid>"
+        return 255
+    fi
 
     local EXE="$1"
     if [ "$EXE" ] ; then
-		qpid | \grep "$prepend$EXE$append"
-	else
-		adb shell ps \
-			| tr -d '\r' \
-			| sed -e 1d -e 's/^[^ ]* *\([0-9]*\).* \([^ ]*\)$/\1 \2/'
-	fi
+        qpid | \grep "$prepend$EXE$append"
+    else
+        adb shell ps \
+            | tr -d '\r' \
+            | sed -e 1d -e 's/^[^ ]* *\([0-9]*\).* \([^ ]*\)$/\1 \2/'
+    fi
 }
 
 function pid()
@@ -889,7 +1042,7 @@ function pid()
         echo "$PID"
     else
         echo "usage: pid [--exact] <process name>"
-		return 255
+        return 255
     fi
 }
 
@@ -902,25 +1055,25 @@ function pid()
 
 function coredump_setup()
 {
-	echo "Getting root...";
-	adb root;
-	adb wait-for-device;
+    echo "Getting root...";
+    adb root;
+    adb wait-for-device;
 
-	echo "Remounting root parition read-write...";
-	adb shell mount -w -o remount -t rootfs rootfs;
-	sleep 1;
-	adb wait-for-device;
-	adb shell mkdir -p /cores;
-	adb shell mount -t tmpfs tmpfs /cores;
-	adb shell chmod 0777 /cores;
+    echo "Remounting root partition read-write...";
+    adb shell mount -w -o remount -t rootfs rootfs;
+    sleep 1;
+    adb wait-for-device;
+    adb shell mkdir -p /cores;
+    adb shell mount -t tmpfs tmpfs /cores;
+    adb shell chmod 0777 /cores;
 
-	echo "Granting SELinux permission to dump in /cores...";
-	adb shell restorecon -R /cores;
+    echo "Granting SELinux permission to dump in /cores...";
+    adb shell restorecon -R /cores;
 
-	echo "Set core pattern.";
-	adb shell 'echo /cores/core.%p > /proc/sys/kernel/core_pattern';
+    echo "Set core pattern.";
+    adb shell 'echo /cores/core.%p > /proc/sys/kernel/core_pattern';
 
-	echo "Done."
+    echo "Done."
 }
 
 # coredump_enable - enable core dumps for the specified process
@@ -931,13 +1084,13 @@ function coredump_setup()
 
 function coredump_enable()
 {
-	local PID=$1;
-	if [ -z "$PID" ]; then
-		printf "Expecting a PID!\n";
-		return;
-	fi;
-	echo "Setting core limit for $PID to infinite...";
-	adb shell prlimit $PID 4 -1 -1
+    local PID=$1;
+    if [ -z "$PID" ]; then
+        printf "Expecting a PID!\n";
+        return;
+    fi;
+    echo "Setting core limit for $PID to infinite...";
+    adb shell prlimit $PID 4 -1 -1
 }
 
 # core - send SIGV and pull the core for process
@@ -948,28 +1101,28 @@ function coredump_enable()
 
 function core()
 {
-	local PID=$1;
+    local PID=$1;
 
-	if [ -z "$PID" ]; then
-		printf "Expecting a PID!\n";
-		return;
-	fi;
+    if [ -z "$PID" ]; then
+        printf "Expecting a PID!\n";
+        return;
+    fi;
 
-	local CORENAME=core.$PID;
-	local COREPATH=/cores/$CORENAME;
-	local SIG=SEGV;
+    local CORENAME=core.$PID;
+    local COREPATH=/cores/$CORENAME;
+    local SIG=SEGV;
 
-	coredump_enable $1;
+    coredump_enable $1;
 
-	local done=0;
-	while [ $(adb shell "[ -d /proc/$PID ] && echo -n yes") ]; do
-		printf "\tSending SIG%s to %d...\n" $SIG $PID;
-		adb shell kill -$SIG $PID;
-		sleep 1;
-	done;
+    local done=0;
+    while [ $(adb shell "[ -d /proc/$PID ] && echo -n yes") ]; do
+        printf "\tSending SIG%s to %d...\n" $SIG $PID;
+        adb shell kill -$SIG $PID;
+        sleep 1;
+    done;
 
-	adb shell "while [ ! -f $COREPATH ] ; do echo waiting for $COREPATH to be generated; sleep 1; done"
-	echo "Done: core is under $COREPATH on device.";
+    adb shell "while [ ! -f $COREPATH ] ; do echo waiting for $COREPATH to be generated; sleep 1; done"
+    echo "Done: core is under $COREPATH on device.";
 }
 
 # systemstack - dump the current stack trace of all threads in the system process
@@ -1027,18 +1180,6 @@ function stacks()
     fi
 }
 
-function gdbwrapper()
-{
-    local GDB_CMD="$1"
-    shift 1
-    $GDB_CMD -x "$@"
-}
-
-function get_symbols_directory()
-{
-    echo $(get_abs_build_var TARGET_OUT_UNSTRIPPED)
-}
-
 # Read the ELF header from /proc/$PID/exe to determine if the process is
 # 64-bit.
 function is64bit()
@@ -1055,263 +1196,20 @@ function is64bit()
     fi
 }
 
-function adb_get_product_device() {
-  echo `adb shell getprop ro.product.device | sed s/.$//`
-}
-
-# returns 0 when process is not traced
-function adb_get_traced_by() {
-  echo `adb shell cat /proc/$1/status | grep -e "^TracerPid:" | sed "s/^TracerPid:\t//" | sed s/.$//`
-}
-
-function gdbclient() {
-  # TODO:
-  # 1. Check for ANDROID_SERIAL/multiple devices
-  local PROCESS_NAME="n/a"
-  local PID=$1
-  local PORT=5039
-  if [ -z "$PID" ]; then
-    echo "Usage: gdbclient <pid|processname> [port number]"
-    return -1
-  fi
-  local DEVICE=$(adb_get_product_device)
-
-  if [ -z "$DEVICE" ]; then
-    echo "Error: Unable to get device name. Please check if device is connected and ANDROID_SERIAL is set."
-    return -2
-  fi
-
-  if [ -n "$2" ]; then
-    PORT=$2
-  fi
-
-  local ROOT=$(gettop)
-  if [ -z "$ROOT" ]; then
-    # This is for the situation with downloaded symbols (from the build server)
-    # we check if they are available.
-    ROOT=`realpath .`
-  fi
-
-  local OUT_ROOT="$ROOT/out/target/product/$DEVICE"
-  local SYMBOLS_DIR="$OUT_ROOT/symbols"
-
-  if [ ! -d $SYMBOLS_DIR ]; then
-    echo "Error: couldn't find symbols: $SYMBOLS_DIR does not exist or is not a directory."
-    return -3
-  fi
-
-  # let's figure out which executable we are about to debug
-
-  # check if user specified a name -> resolve to pid
-  if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
-    PROCESS_NAME=$PID
-    PID=$(pid --exact $PROCESS_NAME)
-    if [ -z "$PID" ]; then
-      echo "Error: couldn't resolve pid by process name: $PROCESS_NAME"
-      return -4
-    fi
-  fi
-
-  local EXE=`adb shell readlink /proc/$PID/exe | sed s/.$//`
-  # TODO: print error in case there is no such pid
-  local LOCAL_EXE_PATH=$SYMBOLS_DIR$EXE
-
-  if [ ! -f $LOCAL_EXE_PATH ]; then
-    echo "Error: unable to find symbols for executable $EXE: file $LOCAL_EXE_PATH does not exist"
-    return -5
-  fi
-
-  local USE64BIT=""
-
-  if [[ "$(file $LOCAL_EXE_PATH)" =~ 64-bit ]]; then
-    USE64BIT="64"
-  fi
-
-  local GDB=
-  local GDB64=
-  local CPU_ABI=`adb shell getprop ro.product.cpu.abilist | sed s/.$//`
-  # TODO: we assume these are available via $PATH
-  if [[ $CPU_ABI =~ (^|,)arm64 ]]; then
-    GDB=arm-linux-androideabi-gdb
-    GDB64=aarch64-linux-android-gdb
-  elif [[ $CPU_ABI =~ (^|,)arm ]]; then
-    GDB=arm-linux-androideabi-gdb
-  elif [[ $CPU_ABI =~ (^|,)x86_64 ]]; then
-    GDB=x86_64-linux-androideabi-gdb
-  elif [[ $CPU_ABI =~ (^|,)x86 ]]; then
-    GDB=x86_64-linux-androideabi-gdb
-  elif [[ $CPU_ABI =~ (^|,)mips64 ]]; then
-    GDB=mipsel-linux-android-gdb
-    GDB64=mips64el-linux-android-gdb
-  elif [[ $CPU_ABI =~ (^|,)mips ]]; then
-    GDB=mipsel-linux-android-gdb
-  else
-    echo "Error: unrecognized cpu.abilist: $CPU_ABI"
-    return -6
-  fi
-
-  # TODO: check if tracing process is gdbserver and not some random strace...
-  if [ $(adb_get_traced_by $PID) -eq 0 ]; then
-    # start gdbserver
-    echo "Starting gdbserver..."
-    # TODO: check if adb is already listening $PORT
-    # to avoid unnecessary calls
-    echo ". adb forward for port=$PORT..."
-    adb forward tcp:$PORT tcp:$PORT
-    echo ". starting gdbserver to attach to pid=$PID..."
-    adb shell gdbserver$USE64BIT :$PORT --attach $PID &
-    echo ". give it couple of seconds to start..."
-    sleep 2
-    echo ". done"
-  else
-    echo "It looks like gdbserver is already attached to $PID (process is traced), trying to connect to it using local port=$PORT"
-  fi
-
-  local OUT_SO_SYMBOLS=$SYMBOLS_DIR/system/lib$USE64BIT
-  local OUT_VENDOR_SO_SYMBOLS=$SYMBOLS_DIR/vendor/lib$USE64BIT
-  local ART_CMD=""
-
-  echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $SYMBOLS_DIR"
-  echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl"
-  local DALVIK_GDB_SCRIPT=$ROOT/development/scripts/gdb/dalvik.gdb
-  if [ -f $DALVIK_GDB_SCRIPT ]; then
-    echo >>"$OUT_ROOT/gdbclient.cmds" "source $DALVIK_GDB_SCRIPT"
-    ART_CMD="art-on"
-  else
-    echo "Warning: couldn't find $DALVIK_GDB_SCRIPT - ART debugging options will not be available"
-  fi
-  echo >>"$OUT_ROOT/gdbclient.cmds" "target remote :$PORT"
-  if [[ $EXE =~ (^|/)(app_process|dalvikvm)(|32|64)$ ]]; then
-    echo >> "$OUT_ROOT/gdbclient.cmds" $ART_CMD
-  fi
-
-  echo >>"$OUT_ROOT/gdbclient.cmds" ""
-
-  local WHICH_GDB=$GDB
-
-  if [ -n "$USE64BIT" -a -n "$GDB64" ]; then
-    WHICH_GDB=$GDB64
-  fi
-
-  gdbwrapper $WHICH_GDB "$OUT_ROOT/gdbclient.cmds" "$LOCAL_EXE_PATH"
-}
-
-# gdbclient now determines whether the user wants to debug a 32-bit or 64-bit
-# executable, set up the approriate gdbserver, then invokes the proper host
-# gdb.
-function gdbclient_old()
-{
-   local OUT_ROOT=$(get_abs_build_var PRODUCT_OUT)
-   local OUT_SYMBOLS=$(get_abs_build_var TARGET_OUT_UNSTRIPPED)
-   local OUT_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)
-   local OUT_VENDOR_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_VENDOR_SHARED_LIBRARIES_UNSTRIPPED)
-   local OUT_EXE_SYMBOLS=$(get_symbols_directory)
-   local PREBUILTS=$(get_abs_build_var ANDROID_PREBUILTS)
-   local ARCH=$(get_build_var TARGET_ARCH)
-   local GDB
-   case "$ARCH" in
-       arm) GDB=arm-linux-androideabi-gdb;;
-       arm64) GDB=arm-linux-androideabi-gdb; GDB64=aarch64-linux-android-gdb;;
-       mips|mips64) GDB=mips64el-linux-android-gdb;;
-       x86) GDB=x86_64-linux-android-gdb;;
-       x86_64) GDB=x86_64-linux-android-gdb;;
-       *) echo "Unknown arch $ARCH"; return 1;;
-   esac
-
-   if [ "$OUT_ROOT" -a "$PREBUILTS" ]; then
-       local EXE="$1"
-       if [ "$EXE" ] ; then
-           EXE=$1
-           if [[ $EXE =~ ^[^/].* ]] ; then
-               EXE="system/bin/"$EXE
-           fi
-       else
-           EXE="app_process"
-       fi
-
-       local PORT="$2"
-       if [ "$PORT" ] ; then
-           PORT=$2
-       else
-           PORT=":5039"
-       fi
-
-       local PID="$3"
-       if [ "$PID" ] ; then
-           if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
-               PID=`pid $3`
-               if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
-                   # that likely didn't work because of returning multiple processes
-                   # try again, filtering by root processes (don't contain colon)
-                   PID=`adb shell ps | \grep $3 | \grep -v ":" | awk '{print $2}'`
-                   if [[ ! "$PID" =~ ^[0-9]+$ ]]
-                   then
-                       echo "Couldn't resolve '$3' to single PID"
-                       return 1
-                   else
-                       echo ""
-                       echo "WARNING: multiple processes matching '$3' observed, using root process"
-                       echo ""
-                   fi
-               fi
-           fi
-           adb forward "tcp$PORT" "tcp$PORT"
-           local USE64BIT="$(is64bit $PID)"
-           adb shell gdbserver$USE64BIT $PORT --attach $PID &
-           sleep 2
-       else
-               echo ""
-               echo "If you haven't done so already, do this first on the device:"
-               echo "    gdbserver $PORT /system/bin/$EXE"
-                   echo " or"
-               echo "    gdbserver $PORT --attach <PID>"
-               echo ""
-       fi
-
-       OUT_SO_SYMBOLS=$OUT_SO_SYMBOLS$USE64BIT
-       OUT_VENDOR_SO_SYMBOLS=$OUT_VENDOR_SO_SYMBOLS$USE64BIT
-
-       echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $OUT_SYMBOLS"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "source $ANDROID_BUILD_TOP/development/scripts/gdb/dalvik.gdb"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "target remote $PORT"
-       # Enable special debugging for ART processes.
-       if [[ $EXE =~ (^|/)(app_process|dalvikvm)(|32|64)$ ]]; then
-          echo >> "$OUT_ROOT/gdbclient.cmds" "art-on"
-       fi
-       echo >>"$OUT_ROOT/gdbclient.cmds" ""
-
-       local WHICH_GDB=
-       # 64-bit exe found
-       if [ "$USE64BIT" != "" ] ; then
-           WHICH_GDB=$ANDROID_TOOLCHAIN/$GDB64
-       # 32-bit exe / 32-bit platform
-       elif [ "$(get_build_var TARGET_2ND_ARCH)" = "" ]; then
-           WHICH_GDB=$ANDROID_TOOLCHAIN/$GDB
-       # 32-bit exe / 64-bit platform
-       else
-           WHICH_GDB=$ANDROID_TOOLCHAIN_2ND_ARCH/$GDB
-       fi
-
-       gdbwrapper $WHICH_GDB "$OUT_ROOT/gdbclient.cmds" "$OUT_EXE_SYMBOLS/$EXE"
-  else
-       echo "Unable to determine build system output dir."
-   fi
-
-}
-
 case `uname -s` in
     Darwin)
         function sgrep()
         {
-            find -E . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.(c|h|cc|cpp|S|java|xml|sh|mk|aidl)' -print0 | xargs -0 grep --color -n "$@"
+            find -E . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.(c|h|cc|cpp|S|java|xml|sh|mk|aidl|vts)' \
+                -exec grep --color -n "$@" {} +
         }
 
         ;;
     *)
         function sgrep()
         {
-            find . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.\(c\|h\|cc\|cpp\|S\|java\|xml\|sh\|mk\|aidl\)' -print0 | xargs -0 grep --color -n "$@"
+            find . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.\(c\|h\|cc\|cpp\|S\|java\|xml\|sh\|mk\|aidl\|vts\)' \
+                -exec grep --color -n "$@" {} +
         }
         ;;
 esac
@@ -1323,56 +1221,73 @@ function gettargetarch
 
 function ggrep()
 {
-    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.gradle" -print0 | xargs -0 grep --color -n "$@"
+    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.gradle" \
+        -exec grep --color -n "$@" {} +
 }
 
 function jgrep()
 {
-    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.java" -print0 | xargs -0 grep --color -n "$@"
+    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.java" \
+        -exec grep --color -n "$@" {} +
 }
 
 function cgrep()
 {
-    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' \) -print0 | xargs -0 grep --color -n "$@"
+    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' -o -name '*.hpp' \) \
+        -exec grep --color -n "$@" {} +
 }
 
 function resgrep()
 {
-    for dir in `find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -name res -type d`; do find $dir -type f -name '*\.xml' -print0 | xargs -0 grep --color -n "$@"; done;
+    for dir in `find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -name res -type d`; do
+        find $dir -type f -name '*\.xml' -exec grep --color -n "$@" {} +
+    done
 }
 
 function mangrep()
 {
-    find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -type f -name 'AndroidManifest.xml' -print0 | xargs -0 grep --color -n "$@"
+    find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -type f -name 'AndroidManifest.xml' \
+        -exec grep --color -n "$@" {} +
 }
 
 function sepgrep()
 {
-    find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -name sepolicy -type d -print0 | xargs -0 grep --color -n -r --exclude-dir=\.git "$@"
+    find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -name sepolicy -type d \
+        -exec grep --color -n -r --exclude-dir=\.git "$@" {} +
+}
+
+function rcgrep()
+{
+    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.rc*" \
+        -exec grep --color -n "$@" {} +
 }
 
 case `uname -s` in
     Darwin)
         function mgrep()
         {
-            find -E . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -type f -iregex '.*/(Makefile|Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -print0 | xargs -0 grep --color -n "$@"
+            find -E . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -type f -iregex '.*/(Makefile|Makefile\..*|.*\.make|.*\.mak|.*\.mk)' \
+                -exec grep --color -n "$@" {} +
         }
 
         function treegrep()
         {
-            find -E . -name .repo -prune -o -name .git -prune -o -type f -iregex '.*\.(c|h|cpp|S|java|xml)' -print0 | xargs -0 grep --color -n -i "$@"
+            find -E . -name .repo -prune -o -name .git -prune -o -type f -iregex '.*\.(c|h|cpp|S|java|xml)' \
+                -exec grep --color -n -i "$@" {} +
         }
 
         ;;
     *)
         function mgrep()
         {
-            find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -regextype posix-egrep -iregex '(.*\/Makefile|.*\/Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -type f -print0 | xargs -0 grep --color -n "$@"
+            find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -regextype posix-egrep -iregex '(.*\/Makefile|.*\/Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -type f \
+                -exec grep --color -n "$@" {} +
         }
 
         function treegrep()
         {
-            find . -name .repo -prune -o -name .git -prune -o -regextype posix-egrep -iregex '.*\.(c|h|cpp|S|java|xml)' -type f -print0 | xargs -0 grep --color -n -i "$@"
+            find . -name .repo -prune -o -name .git -prune -o -regextype posix-egrep -iregex '.*\.(c|h|cpp|S|java|xml)' -type f \
+                -exec grep --color -n -i "$@" {} +
         }
 
         ;;
@@ -1593,14 +1508,20 @@ function godir () {
         return
     fi
     T=$(gettop)
-    if [[ ! -f $T/filelist ]]; then
+    if [ ! "$OUT_DIR" = "" ]; then
+        mkdir -p $OUT_DIR
+        FILELIST=$OUT_DIR/filelist
+    else
+        FILELIST=$T/filelist
+    fi
+    if [[ ! -f $FILELIST ]]; then
         echo -n "Creating index..."
-        (\cd $T; find . -wholename ./out -prune -o -wholename ./.repo -prune -o -type f > filelist)
+        (\cd $T; find . -wholename ./out -prune -o -wholename ./.repo -prune -o -type f > $FILELIST)
         echo " Done"
         echo ""
     fi
     local lines
-    lines=($(\grep "$1" $T/filelist | sed -e 's/\/[^/]*$//' | sort | uniq))
+    lines=($(\grep "$1" $FILELIST | sed -e 's/\/[^/]*$//' | sort | uniq))
     if [[ ${#lines[@]} = 0 ]]; then
         echo "Not found"
         return
@@ -1631,11 +1552,7 @@ function godir () {
     \cd $T/$pathname
 }
 
-# Force JAVA_HOME to point to java 1.7 or java 1.6  if it isn't already set.
-#
-# Note that the MacOS path for java 1.7 includes a minor revision number (sigh).
-# For some reason, installing the JDK doesn't make it show up in the
-# JavaVM.framework/Versions/1.7/ folder.
+# Force JAVA_HOME to point to java 1.7/1.8 if it isn't already set.
 function set_java_home() {
     # Clear the existing JAVA_HOME value if we set it ourselves, so that
     # we can reset it later, depending on the version of java the build
@@ -1648,22 +1565,23 @@ function set_java_home() {
     fi
 
     if [ ! "$JAVA_HOME" ]; then
-      if [ -n "$LEGACY_USE_JAVA6" ]; then
+      if [ -n "$LEGACY_USE_JAVA7" ]; then
+        echo Warning: Support for JDK 7 will be dropped. Switch to JDK 8.
         case `uname -s` in
             Darwin)
-                export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
+                export JAVA_HOME=$(/usr/libexec/java_home -v 1.7)
                 ;;
             *)
-                export JAVA_HOME=/usr/lib/jvm/java-6-sun
+                export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
                 ;;
         esac
       else
         case `uname -s` in
             Darwin)
-                export JAVA_HOME=$(/usr/libexec/java_home -v 1.7)
+                export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
                 ;;
             *)
-                export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
+                export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
                 ;;
         esac
       fi
@@ -1680,9 +1598,9 @@ function pez {
     local retval=$?
     if [ $retval -ne 0 ]
     then
-        echo -e "\e[0;31mFAILURE\e[00m"
+        echo $'\E'"[0;31mFAILURE\e[00m"
     else
-        echo -e "\e[0;32mSUCCESS\e[00m"
+        echo $'\E'"[0;32mSUCCESS\e[00m"
     fi
     return $retval
 }
@@ -1692,21 +1610,31 @@ function get_make_command()
   echo command make
 }
 
-function make()
+function mk_timer()
 {
     local start_time=$(date +"%s")
-    $(get_make_command) "$@"
+    $@
     local ret=$?
     local end_time=$(date +"%s")
     local tdiff=$(($end_time-$start_time))
     local hours=$(($tdiff / 3600 ))
     local mins=$((($tdiff % 3600) / 60))
     local secs=$(($tdiff % 60))
+    local ncolors=$(tput colors 2>/dev/null)
+    if [ -n "$ncolors" ] && [ $ncolors -ge 8 ]; then
+        color_failed=$'\E'"[0;31m"
+        color_success=$'\E'"[0;32m"
+        color_reset=$'\E'"[00m"
+    else
+        color_failed=""
+        color_success=""
+        color_reset=""
+    fi
     echo
     if [ $ret -eq 0 ] ; then
-        echo -n -e "#### make completed successfully "
+        echo -n "${color_success}#### make completed successfully "
     else
-        echo -n -e "#### make failed to build some targets "
+        echo -n "${color_failed}#### make failed to build some targets "
     fi
     if [ $hours -gt 0 ] ; then
         printf "(%02g:%02g:%02g (hh:mm:ss))" $hours $mins $secs
@@ -1715,30 +1643,89 @@ function make()
     elif [ $secs -gt 0 ] ; then
         printf "(%s seconds)" $secs
     fi
-    echo -e " ####"
+    echo " ####${color_reset}"
     echo
     return $ret
 }
 
+function provision()
+{
+    if [ ! "$ANDROID_PRODUCT_OUT" ]; then
+        echo "Couldn't locate output files.  Try running 'lunch' first." >&2
+        return 1
+    fi
+    if [ ! -e "$ANDROID_PRODUCT_OUT/provision-device" ]; then
+        echo "There is no provisioning script for the device." >&2
+        return 1
+    fi
+
+    # Check if user really wants to do this.
+    if [ "$1" = "--no-confirmation" ]; then
+        shift 1
+    else
+        echo "This action will reflash your device."
+        echo ""
+        echo "ALL DATA ON THE DEVICE WILL BE IRREVOCABLY ERASED."
+        echo ""
+        echo -n "Are you sure you want to do this (yes/no)? "
+        read
+        if [[ "${REPLY}" != "yes" ]] ; then
+            echo "Not taking any action. Exiting." >&2
+            return 1
+        fi
+    fi
+    "$ANDROID_PRODUCT_OUT/provision-device" "$@"
+}
 
+function make()
+{
+    mk_timer $(get_make_command) "$@"
+}
 
-if [ "x$SHELL" != "x/bin/bash" ]; then
+function __detect_shell() {
     case `ps -o command -p $$` in
         *bash*)
+            echo bash
+            ;;
+        *zsh*)
+            echo zsh
             ;;
         *)
-            echo "WARNING: Only bash is supported, use of other shell would lead to erroneous results"
+            echo unknown
+            return 1
             ;;
     esac
+    return
+}
+
+
+if ! __detect_shell > /dev/null; then
+    echo "WARNING: Only bash and zsh are supported, use of other shell may lead to erroneous results"
 fi
 
 # Execute the contents of any vendorsetup.sh files we can find.
-for f in `test -d device && find -L device -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null` \
-         `test -d vendor && find -L vendor -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null`
+for f in `test -d device && find -L device -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null | sort` \
+         `test -d vendor && find -L vendor -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null | sort` \
+         `test -d product && find -L product -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null | sort`
 do
     echo "including $f"
     . $f
 done
 unset f
 
-addcompletions
+# Add completions
+check_bash_version && {
+    dirs="sdk/bash_completion vendor/cm/bash_completion"
+    for dir in $dirs; do
+    if [ -d ${dir} ]; then
+        for f in `/bin/ls ${dir}/[a-z]*.bash 2> /dev/null`; do
+            echo "including $f"
+            . $f
+        done
+    fi
+    done
+}
+
+export ANDROID_BUILD_TOP=$(gettop)
+
+. $ANDROID_BUILD_TOP/vendor/cm/build/envsetup.sh
diff --git a/libs/host/Android.mk b/libs/host/Android.mk
index c67afbbcd..bc25e4b76 100644
--- a/libs/host/Android.mk
+++ b/libs/host/Android.mk
@@ -4,17 +4,13 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES:= \
     CopyFile.c
 
-ifeq ($(HOST_OS),cygwin)
-LOCAL_CFLAGS += -DWIN32_EXE
-endif
-ifeq ($(HOST_OS),darwin)
-LOCAL_CFLAGS += -DMACOSX_RSRC
-endif
-ifeq ($(HOST_OS),linux)
-endif
+LOCAL_CFLAGS := -Werror -Wall
 
 LOCAL_MODULE:= libhost
+LOCAL_MODULE_HOST_OS := darwin linux windows
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+LOCAL_CXX_STL := none
 
 # acp uses libhost, so we can't use
 # acp to install libhost.
diff --git a/libs/host/CopyFile.c b/libs/host/CopyFile.c
index ca5256555..5be012cf3 100644
--- a/libs/host/CopyFile.c
+++ b/libs/host/CopyFile.c
@@ -24,12 +24,11 @@
 #include <errno.h>
 #include <assert.h>
 
-#ifdef HAVE_MS_C_RUNTIME
-#  define  mkdir(path,mode)   _mkdir(path)
-#endif
-
-#ifndef HAVE_SYMLINKS
-#  define  lstat              stat
+#if defined(_WIN32)
+#include <direct.h>  /* For _mkdir() */
+#  define mkdir(path,mode)   _mkdir(path)
+#  define S_ISLNK(s) 0
+#  define lstat stat
 #  ifndef EACCESS   /* seems to be missing from the Mingw headers */
 #    define  EACCESS            13
 #  endif
@@ -68,15 +67,13 @@ static bool isSourceNewer(const struct stat* pSrcStat, const struct stat* pDstSt
  */
 static bool isHiresMtime(const struct stat* pSrcStat)
 {
-#if HAVE_STAT_ST_MTIM
-#if defined(MACOSX_RSRC)
+#if defined(_WIN32)
+    return 0;
+#elif defined(__APPLE__)
     return pSrcStat->st_mtimespec.tv_nsec > 0;
 #else
     return pSrcStat->st_mtim.tv_nsec > 0;
 #endif
-#else
-    return 0;
-#endif
 }
 
 /*
@@ -86,7 +83,9 @@ static bool isHiresMtime(const struct stat* pSrcStat)
  */
 static bool isSameFile(const struct stat* pSrcStat, const struct stat* pDstStat)
 {
-#ifndef HAVE_VALID_STAT_ST_INO
+#if defined(_WIN32)
+  (void)pSrcStat;
+  (void)pDstStat;
     /* with MSVCRT.DLL, stat always sets st_ino to 0, and there is no simple way to */
 	/* get the equivalent information with Win32 (Cygwin does some weird stuff in   */
 	/* its winsup/cygwin/fhandler_disk_file.cc to emulate this, too complex for us) */
@@ -104,6 +103,7 @@ static void printCopyMsg(const char* src, const char* dst, unsigned int options)
 
 static void printNotNewerMsg(const char* src, const char* dst, unsigned int options)
 {
+    (void)src;
     if ((options & COPY_VERBOSE_MASK) > 1)
         printf("    '%s' is up-to-date\n", dst);
 }
@@ -184,7 +184,7 @@ static int setPermissions(const char* dst, const struct stat* pSrcStat, unsigned
             DBUG(("---   unable to set perms on '%s' to 0%o: %s\n",
                 dst, pSrcStat->st_mode & ~(S_IFMT), strerror(errno)));
         }
-#ifndef HAVE_MS_C_RUNTIME
+#ifndef _WIN32
         /*
          * Set the owner.
          */
@@ -262,7 +262,7 @@ static int copyRegular(const char* src, const char* dst, const struct stat* pSrc
         /* if "force" is set, try removing the destination file and retry */
         if (options & COPY_FORCE) {
             if (unlink(dst) != 0) {
-#ifdef HAVE_MS_C_RUNTIME
+#ifdef _WIN32
 				/* MSVCRT.DLL unlink will fail with EACCESS if the file is set read-only */
 				/* so try to change its mode, and unlink again                           */
 				if (errno == EACCESS) {
@@ -275,7 +275,7 @@ static int copyRegular(const char* src, const char* dst, const struct stat* pSrc
                 (void) close(srcFd);
                 return -1;
             }
-#ifdef HAVE_MS_C_RUNTIME
+#ifdef _WIN32
         Open_File:
 #endif			
             dstFd = open(dst, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644);
@@ -295,7 +295,8 @@ static int copyRegular(const char* src, const char* dst, const struct stat* pSrc
     if (copyResult != 0)
         return -1;
 
-#ifdef MACOSX_RSRC
+#if defined(__APPLE__)
+    // Copy Mac OS X resource forks too.
     {
         char* srcRsrcName = NULL;
         char* dstRsrcName = NULL;
@@ -339,7 +340,6 @@ static int copyRegular(const char* src, const char* dst, const struct stat* pSrc
 }
 
 
-#ifdef HAVE_SYMLINKS
 /*
  * Copy a symlink.  This only happens if we're in "no derefence" mode,
  * in which we copy the links rather than the files that are pointed at.
@@ -348,6 +348,9 @@ static int copyRegular(const char* src, const char* dst, const struct stat* pSrc
  * we want to throw it out and replace it.  If it's not a symlink, we
  * need to trash it so we can create one.
  */
+#if defined(_WIN32)
+extern int copySymlink(const char* src, const char* dst, const struct stat* pSrcStat, unsigned int options) __attribute__((error("no symlinks on Windows")));
+#else
 static int copySymlink(const char* src, const char* dst, const struct stat* pSrcStat, unsigned int options)
 {
     struct stat dstStat;
@@ -422,7 +425,7 @@ static int copySymlink(const char* src, const char* dst, const struct stat* pSrc
 
     return 0;
 }
-#endif /* HAVE_SYMLINKS */
+#endif
 
 /*
  * Copy the contents of one directory to another.  Both "src" and "dst"
@@ -535,6 +538,7 @@ static int copyFileRecursive(const char* src, const char* dst, bool isCmdLine, u
     struct stat srcStat;
     int retVal = 0;
     int statResult, statErrno;
+    (void)isCmdLine;
 
     /*
      * Stat the source file.  If it doesn't exist, fail.
@@ -545,57 +549,6 @@ static int copyFileRecursive(const char* src, const char* dst, bool isCmdLine, u
         statResult = stat(src, &srcStat);
     statErrno = errno;        /* preserve across .exe attempt */
 
-#ifdef WIN32_EXE
-    /*
-     * Here's the interesting part.  Under Cygwin, if you have a file
-     * called "foo.exe", stat("foo", ...) will succeed, but open("foo", ...)
-     * will fail.  We need to figure out what its name is supposed to be
-     * so we can create the correct destination file.
-     *
-     * If we don't have the "-e" flag set, we want "acp foo bar" to fail,
-     * not automatically find "foo.exe".  That way, if we really were
-     * trying to copy "foo", it doesn't grab something we don't want.
-     */
-    if (isCmdLine && statResult == 0) {
-        int tmpFd;
-        tmpFd = open(src, O_RDONLY | O_BINARY, 0);
-        if (tmpFd < 0) {
-            statResult = -1;
-            statErrno = ENOENT;
-        } else {
-            (void) close(tmpFd);
-        }
-    }
-
-    /*
-     * If we didn't find the file, try it again with ".exe".
-     */
-    if (isCmdLine && statResult < 0 && statErrno == ENOENT && (options & COPY_TRY_EXE)) {
-        srcExe = malloc(strlen(src) + 4 +1);
-        strcpy(srcExe, src);
-        strcat(srcExe, ".exe");
-
-        if (options & COPY_NO_DEREFERENCE)
-            statResult = lstat(srcExe, &srcStat);
-        else
-            statResult = stat(srcExe, &srcStat);
-
-        if (statResult == 0 && !S_ISREG(srcStat.st_mode))
-            statResult = -1;        /* fail, use original statErrno below */
-
-        if (statResult == 0) {
-            /* found a .exe, copy that instead */
-            dstExe = malloc(strlen(dst) + 4 +1);
-            strcpy(dstExe, dst);
-            strcat(dstExe, ".exe");
-
-            src = srcExe;
-            dst = dstExe;
-        } else {
-            DBUG(("---  couldn't find '%s' either\n", srcExe));
-        }
-    }
-#endif
     if (statResult < 0) {
         if (statErrno == ENOENT)
             fprintf(stderr, "acp: file '%s' does not exist\n", src);
@@ -618,10 +571,8 @@ static int copyFileRecursive(const char* src, const char* dst, bool isCmdLine, u
         } else {
             retVal = copyDirectory(src, dst, &srcStat, options);
         }
-#ifdef HAVE_SYMLINKS
     } else if (S_ISLNK(srcStat.st_mode)) {
         retVal = copySymlink(src, dst, &srcStat, options);
-#endif		
     } else if (S_ISREG(srcStat.st_mode)) {
         retVal = copyRegular(src, dst, &srcStat, options);
     } else {
diff --git a/libs/host/include/host/Directories.h b/libs/host/include/host/Directories.h
deleted file mode 100644
index fccce467d..000000000
--- a/libs/host/include/host/Directories.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef HOST_MKDIRS_H
-#define HOST_MKDIRS_H
-
-#include <string>
-
-std::string parent_dir(const std::string& path);
-
-extern "C" int mkdirs(const char* path);
-
-#endif // HOST_MKDIRS_H
diff --git a/libs/host/list.java b/libs/host/list.java
deleted file mode 100644
index 30546e3ae..000000000
--- a/libs/host/list.java
+++ /dev/null
@@ -1,35 +0,0 @@
-import java.io.*;
-
-public class list {
-    private static char nibble(int c) {
-        return (char)(c < 10 ? ('0' + c) : ('a' + (c-10)));
-    }
-    public static void main(String[] argv)
-    {
-        ByteArrayOutputStream stream = new ByteArrayOutputStream(100);
-        OutputStreamWriter writer = null;
-        try {
-            writer = new OutputStreamWriter(stream, "utf-8");
-        } catch (UnsupportedEncodingException e) {
-            e.printStackTrace(System.err);
-        }
-
-        int n = Integer.parseInt(argv[1], 16);
-        try {
-            writer.write(n);
-            writer.close();
-        } catch (IOException e) {
-            e.printStackTrace(System.err);
-        }
-
-        byte[] array = stream.toByteArray();
-
-        System.out.print("        case '" + argv[0] + "':   return \"");
-        for (int i=0; i<array.length; i++) {
-            int b = array[i];
-            System.out.print("\\x" + nibble((b >> 4) & 0x0f) + nibble(b & 0xf));
-        }
-        System.out.println("\";");
-    }
-}
-
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 3ae586080..02c1c8887 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -45,30 +45,8 @@ BUILD_EMULATOR_OPENGL := true
 # the GLES renderer disables itself if host GL acceleration isn't available.
 USE_OPENGL_RENDERER := true
 
-# Set the phase offset of the system's vsync event relative to the hardware
-# vsync. The system's vsync event drives Choreographer and SurfaceFlinger's
-# rendering. This value is the number of nanoseconds after the hardware vsync
-# that the system vsync event will occur.
-#
-# This phase offset allows adjustment of the minimum latency from application
-# wake-up (by Choregographer) time to the time at which the resulting window
-# image is displayed.  This value may be either positive (after the HW vsync)
-# or negative (before the HW vsync).  Setting it to 0 will result in a
-# minimum latency of two vsync periods because the app and SurfaceFlinger
-# will run just after the HW vsync.  Setting it to a positive number will
-# result in the minimum latency being:
-#
-#     (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD))
-#
-# Note that reducing this latency makes it more likely for the applications
-# to not have their window content image ready in time.  When this happens
-# the latency will end up being an additional vsync period, and animations
-# will hiccup.  Therefore, this latency should be tuned somewhat
-# conservatively (or at least with awareness of the trade-off being made).
-VSYNC_EVENT_PHASE_OFFSET_NS := 0
-
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1879048192  # 1.75 GB
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
@@ -76,17 +54,6 @@ BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 
 BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
-BOARD_SEPOLICY_UNION += \
-        bootanim.te \
-        device.te \
-        domain.te \
-        file.te \
-        file_contexts \
-        qemud.te \
-        rild.te \
-        shell.te \
-        surfaceflinger.te \
-        system_server.te
 
 ifeq ($(TARGET_PRODUCT),sdk)
   # include an expanded selection of fonts for the SDK.
diff --git a/target/board/generic/device.mk b/target/board/generic/device.mk
index 06a7d8a3e..e56a4d1d3 100644
--- a/target/board/generic/device.mk
+++ b/target/board/generic/device.mk
@@ -30,8 +30,3 @@ PRODUCT_COPY_FILES := \
     frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
     device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
     hardware/libhardware_legacy/audio/audio_policy.conf:system/etc/audio_policy.conf
-
-PRODUCT_PACKAGES := \
-    audio.primary.goldfish \
-    power.goldfish \
-    vibrator.goldfish
diff --git a/target/board/generic/sepolicy/bootanim.te b/target/board/generic/sepolicy/bootanim.te
index d6506e11d..b4b1eef83 100644
--- a/target/board/generic/sepolicy/bootanim.te
+++ b/target/board/generic/sepolicy/bootanim.te
@@ -1,2 +1,4 @@
 allow bootanim self:process execmem;
 allow bootanim ashmem_device:chr_file execute;
+
+set_prop(bootanim, qemu_prop)
diff --git a/target/board/generic/sepolicy/device.te b/target/board/generic/sepolicy/device.te
index e4af13cca..d12944119 100644
--- a/target/board/generic/sepolicy/device.te
+++ b/target/board/generic/sepolicy/device.te
@@ -1 +1 @@
-type qemu_device, dev_type;
+type qemu_device, dev_type, mlstrustedobject;
diff --git a/target/board/generic/sepolicy/domain.te b/target/board/generic/sepolicy/domain.te
index c28ca74f1..5d5e4ac36 100644
--- a/target/board/generic/sepolicy/domain.te
+++ b/target/board/generic/sepolicy/domain.te
@@ -1,3 +1,6 @@
 # For /sys/qemu_trace files in the emulator.
+allow domain sysfs_writable:dir search;
 allow domain sysfs_writable:file rw_file_perms;
 allow domain qemu_device:chr_file rw_file_perms;
+
+get_prop(domain, qemu_prop)
diff --git a/target/board/generic/sepolicy/file_contexts b/target/board/generic/sepolicy/file_contexts
index f204cde96..e9502d948 100644
--- a/target/board/generic/sepolicy/file_contexts
+++ b/target/board/generic/sepolicy/file_contexts
@@ -1,4 +1,20 @@
-/dev/qemu_.*		u:object_r:qemu_device:s0
-/dev/socket/qemud	u:object_r:qemud_socket:s0
-/system/bin/qemud	u:object_r:qemud_exec:s0
-/sys/qemu_trace(/.*)?	--	u:object_r:sysfs_writable:s0
+# goldfish
+/dev/block/mtdblock0         u:object_r:system_block_device:s0
+/dev/block/mtdblock1         u:object_r:userdata_block_device:s0
+/dev/block/mtdblock2         u:object_r:cache_block_device:s0
+
+# ranchu
+/dev/block/vda               u:object_r:system_block_device:s0
+/dev/block/vdb               u:object_r:cache_block_device:s0
+/dev/block/vdc               u:object_r:userdata_block_device:s0
+
+/dev/goldfish_pipe           u:object_r:qemu_device:s0
+/dev/goldfish_sync           u:object_r:qemu_device:s0
+/dev/qemu_.*                 u:object_r:qemu_device:s0
+/dev/socket/qemud            u:object_r:qemud_socket:s0
+/dev/ttyGF[0-9]*             u:object_r:serial_device:s0
+/dev/ttyS2                   u:object_r:console_device:s0
+/system/bin/qemud            u:object_r:qemud_exec:s0
+/sys/qemu_trace(/.*)?        u:object_r:sysfs_writable:s0
+/system/etc/init.goldfish.sh u:object_r:goldfish_setup_exec:s0
+/system/bin/qemu-props       u:object_r:qemu_props_exec:s0
diff --git a/target/board/generic/sepolicy/goldfish_setup.te b/target/board/generic/sepolicy/goldfish_setup.te
new file mode 100644
index 000000000..b8f121cda
--- /dev/null
+++ b/target/board/generic/sepolicy/goldfish_setup.te
@@ -0,0 +1,27 @@
+# goldfish-setup service: runs init.goldfish.sh script
+type goldfish_setup, domain, domain_deprecated;
+type goldfish_setup_exec, exec_type, file_type;
+
+init_daemon_domain(goldfish_setup)
+
+# Inherit open file to shell (interpreter) for script.
+allow goldfish_setup shell_exec:file rx_file_perms;
+
+# Run ifconfig, route commands to configure interfaces and routes.
+allow goldfish_setup system_file:file execute_no_trans;
+allow goldfish_setup toolbox_exec:file rx_file_perms;
+allow goldfish_setup self:capability { net_admin net_raw };
+allow goldfish_setup self:udp_socket create_socket_perms;
+
+net_domain(goldfish_setup)
+
+# Set net.eth0.dns*, debug.sf.nobootanimation
+set_prop(goldfish_setup, system_prop)
+set_prop(goldfish_setup, debug_prop)
+
+# Set ro.radio.noril
+set_prop(goldfish_setup, radio_noril_prop)
+
+# Stop ril-daemon service (by setting ctl.stop to ril-daemon, which
+# transforms to a permission check on ctl.ril-daemon).
+set_prop(goldfish_setup, ctl_rildaemon_prop)
diff --git a/target/board/generic/sepolicy/init.te b/target/board/generic/sepolicy/init.te
new file mode 100644
index 000000000..3aa81d1b5
--- /dev/null
+++ b/target/board/generic/sepolicy/init.te
@@ -0,0 +1 @@
+allow init tmpfs:lnk_file create_file_perms;
diff --git a/target/board/generic/sepolicy/logd.te b/target/board/generic/sepolicy/logd.te
new file mode 100644
index 000000000..b3e60d78d
--- /dev/null
+++ b/target/board/generic/sepolicy/logd.te
@@ -0,0 +1,11 @@
+# goldfish logcat service:  runs logcat -Q in logd domain
+
+# See global logd.te, these only set for eng & userdebug, allow for all builds
+
+domain_auto_trans(init, logcat_exec, logd)
+
+# Read from logd.
+read_logd(logd)
+
+# Write to /dev/ttyS2 and /dev/ttyGF2.
+allow logd serial_device:chr_file { write open };
diff --git a/target/board/generic/sepolicy/netd.te b/target/board/generic/sepolicy/netd.te
new file mode 100644
index 000000000..2b002ec9c
--- /dev/null
+++ b/target/board/generic/sepolicy/netd.te
@@ -0,0 +1 @@
+dontaudit netd self:capability sys_module;
diff --git a/target/board/generic/sepolicy/property.te b/target/board/generic/sepolicy/property.te
new file mode 100644
index 000000000..22d580a56
--- /dev/null
+++ b/target/board/generic/sepolicy/property.te
@@ -0,0 +1,3 @@
+type qemu_prop, property_type;
+type radio_noril_prop, property_type;
+type opengles_prop, property_type;
diff --git a/target/board/generic/sepolicy/property_contexts b/target/board/generic/sepolicy/property_contexts
new file mode 100644
index 000000000..142b062de
--- /dev/null
+++ b/target/board/generic/sepolicy/property_contexts
@@ -0,0 +1,5 @@
+qemu.                   u:object_r:qemu_prop:s0
+ro.emu.                 u:object_r:qemu_prop:s0
+ro.emulator.            u:object_r:qemu_prop:s0
+ro.radio.noril          u:object_r:radio_noril_prop:s0
+ro.opengles.            u:object_r:opengles_prop:s0
diff --git a/target/board/generic/sepolicy/qemu_props.te b/target/board/generic/sepolicy/qemu_props.te
new file mode 100644
index 000000000..6768ce7cd
--- /dev/null
+++ b/target/board/generic/sepolicy/qemu_props.te
@@ -0,0 +1,11 @@
+# qemu-props service:  Sets system properties on boot.
+type qemu_props, domain, domain_deprecated;
+type qemu_props_exec, exec_type, file_type;
+
+init_daemon_domain(qemu_props)
+
+# Set properties.
+set_prop(qemu_props, qemu_prop)
+set_prop(qemu_props, dalvik_prop)
+set_prop(qemu_props, config_prop)
+set_prop(qemu_props, opengles_prop)
diff --git a/target/board/generic/sepolicy/qemud.te b/target/board/generic/sepolicy/qemud.te
index 4ff02ecf2..797cf5c6b 100644
--- a/target/board/generic/sepolicy/qemud.te
+++ b/target/board/generic/sepolicy/qemud.te
@@ -1,6 +1,8 @@
 # qemu support daemon
-type qemud, domain;
+type qemud, domain, domain_deprecated;
 type qemud_exec, exec_type, file_type;
 
 init_daemon_domain(qemud)
-unconfined_domain(qemud)
+
+# Access /dev/ttyS1 and /dev/ttyGF1.
+allow qemud serial_device:chr_file rw_file_perms;
diff --git a/target/board/generic/sepolicy/surfaceflinger.te b/target/board/generic/sepolicy/surfaceflinger.te
index 4c354697a..e03d07ee7 100644
--- a/target/board/generic/sepolicy/surfaceflinger.te
+++ b/target/board/generic/sepolicy/surfaceflinger.te
@@ -1,2 +1,4 @@
 allow surfaceflinger self:process execmem;
 allow surfaceflinger ashmem_device:chr_file execute;
+
+set_prop(surfaceflinger, qemu_prop)
diff --git a/target/board/generic/sepolicy/system_server.te b/target/board/generic/sepolicy/system_server.te
index d0fb79d9b..f9e277b8a 100644
--- a/target/board/generic/sepolicy/system_server.te
+++ b/target/board/generic/sepolicy/system_server.te
@@ -1 +1,3 @@
 unix_socket_connect(system_server, qemud, qemud)
+get_prop(system_server, opengles_prop)
+get_prop(system_server, radio_noril_prop)
diff --git a/target/board/generic/sepolicy/zygote.te b/target/board/generic/sepolicy/zygote.te
new file mode 100644
index 000000000..a90f02b1a
--- /dev/null
+++ b/target/board/generic/sepolicy/zygote.te
@@ -0,0 +1 @@
+set_prop(zygote, qemu_prop)
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 8afd5a8ce..02d0a6f20 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -76,9 +76,11 @@ BUILD_EMULATOR_OPENGL := true
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 943718400
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1879048192  # 1.75 GB
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
+
+BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
diff --git a/target/board/generic_arm64/device.mk b/target/board/generic_arm64/device.mk
index 11a6a31e9..9647a4ebe 100644
--- a/target/board/generic_arm64/device.mk
+++ b/target/board/generic_arm64/device.mk
@@ -30,6 +30,6 @@ PRODUCT_COPY_FILES := \
     frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
     device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml
 
-PRODUCT_PACKAGES := \
-    audio.primary.goldfish \
-    vibrator.goldfish
+# Adjust the Dalvik heap to be appropriate for a tablet.
+$(call inherit-product-if-exists, frameworks/base/build/tablet-dalvik-heap.mk)
+$(call inherit-product-if-exists, frameworks/native/build/tablet-dalvik-heap.mk)
diff --git a/target/board/generic_armv5/BoardConfig.mk b/target/board/generic_armv5/BoardConfig.mk
index 95fb559db..016937a68 100644
--- a/target/board/generic_armv5/BoardConfig.mk
+++ b/target/board/generic_armv5/BoardConfig.mk
@@ -19,6 +19,5 @@ include build/target/board/generic/BoardConfig.mk
 TARGET_ARCH_VARIANT := armv5te
 TARGET_CPU_ABI := armeabi
 TARGET_CPU_ABI2 :=
-ARCH_ARM_HAVE_TLS_REGISTER := false
 
 WITH_DEXPREOPT := false
diff --git a/target/board/generic_mips/BoardConfig.mk b/target/board/generic_mips/BoardConfig.mk
index 7cef96865..1152105bb 100644
--- a/target/board/generic_mips/BoardConfig.mk
+++ b/target/board/generic_mips/BoardConfig.mk
@@ -28,6 +28,9 @@ TARGET_ARCH_VARIANT := mips32r2-fp
 endif
 TARGET_CPU_ABI  := mips
 
+# Make TARGET_CPU_VARIANT the same as TARGET_ARCH_VARIANT
+TARGET_CPU_VARIANT := $(TARGET_ARCH_VARIANT)
+
 HAVE_HTC_AUDIO_DRIVER := true
 BOARD_USES_GENERIC_AUDIO := true
 
@@ -50,22 +53,11 @@ BUILD_EMULATOR_OPENGL := true
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 838860800
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1879048192  # 1.75 GB
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 734003200
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 
 BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
-BOARD_SEPOLICY_UNION += \
-        bootanim.te \
-        device.te \
-        domain.te \
-        file.te \
-        file_contexts \
-        qemud.te \
-        rild.te \
-        shell.te \
-        surfaceflinger.te \
-        system_server.te
diff --git a/target/board/generic_mips/device.mk b/target/board/generic_mips/device.mk
index 590f4224d..06a7d8a3e 100644
--- a/target/board/generic_mips/device.mk
+++ b/target/board/generic_mips/device.mk
@@ -34,5 +34,4 @@ PRODUCT_COPY_FILES := \
 PRODUCT_PACKAGES := \
     audio.primary.goldfish \
     power.goldfish \
-    vibrator.goldfish \
-    libffi
+    vibrator.goldfish
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index f8cf4f03a..ebc1675ae 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -38,6 +38,10 @@ endif
 endif
 TARGET_2ND_CPU_ABI  := mips
 
+# Make TARGET_XXX_CPU_VARIANT the same as TARGET_XXX_ARCH_VARIANT
+TARGET_CPU_VARIANT := $(TARGET_ARCH_VARIANT)
+TARGET_2ND_CPU_VARIANT := $(TARGET_2ND_ARCH_VARIANT)
+
 # The emulator (qemu) uses the Goldfish devices
 HAVE_HTC_AUDIO_DRIVER := true
 BOARD_USES_GENERIC_AUDIO := true
@@ -61,9 +65,13 @@ BUILD_EMULATOR_OPENGL := true
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 786432000
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1879048192  # 1.75 GB
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 1610612736  # 1.5 GB, lots of space for running tests
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
+
+BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
+
+DEX_PREOPT_DEFAULT := nostripping
diff --git a/target/board/generic_mips64/device.mk b/target/board/generic_mips64/device.mk
index 015686e6d..66ec9db9b 100644
--- a/target/board/generic_mips64/device.mk
+++ b/target/board/generic_mips64/device.mk
@@ -33,5 +33,4 @@ PRODUCT_COPY_FILES := \
 
 PRODUCT_PACKAGES := \
     audio.primary.goldfish \
-    power.goldfish \
-    libffi
+    power.goldfish
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 5d091f515..50ecb984d 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -18,9 +18,6 @@ BOARD_USES_GENERIC_AUDIO := true
 # no hardware camera
 USE_CAMERA_STUB := true
 
-# customize the malloced address to be 16-byte aligned
-BOARD_MALLOC_ALIGNMENT := 16
-
 # Enable dex-preoptimization to speed up the first boot sequence
 # of an SDK AVD. Note that this operation only works on Linux for now
 ifeq ($(HOST_OS),linux)
@@ -35,7 +32,7 @@ BUILD_EMULATOR_OPENGL := true
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 786432000
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1610612736
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
@@ -45,16 +42,3 @@ TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 BOARD_SEPOLICY_DIRS += \
         build/target/board/generic/sepolicy \
         build/target/board/generic_x86/sepolicy
-
-BOARD_SEPOLICY_UNION += \
-        device.te \
-        domain.te \
-        file.te \
-        file_contexts \
-        healthd.te \
-        installd.te \
-        qemud.te \
-        rild.te \
-        shell.te \
-        system_server.te \
-        zygote.te
diff --git a/target/board/generic_x86/sepolicy/init.te b/target/board/generic_x86/sepolicy/init.te
new file mode 100644
index 000000000..3aa81d1b5
--- /dev/null
+++ b/target/board/generic_x86/sepolicy/init.te
@@ -0,0 +1 @@
+allow init tmpfs:lnk_file create_file_perms;
diff --git a/target/board/generic_x86/sepolicy/system_server.te b/target/board/generic_x86/sepolicy/system_server.te
deleted file mode 100644
index 5d98a14a9..000000000
--- a/target/board/generic_x86/sepolicy/system_server.te
+++ /dev/null
@@ -1 +0,0 @@
-allow system_server self:process execmem;
diff --git a/target/board/generic_x86_64/BoardConfig.mk b/target/board/generic_x86_64/BoardConfig.mk
index 295ee2b8e..283e9cc4c 100755
--- a/target/board/generic_x86_64/BoardConfig.mk
+++ b/target/board/generic_x86_64/BoardConfig.mk
@@ -24,9 +24,6 @@ BOARD_USES_GENERIC_AUDIO := true
 # no hardware camera
 USE_CAMERA_STUB := true
 
-# customize the malloced address to be 16-byte aligned
-BOARD_MALLOC_ALIGNMENT := 16
-
 # Enable dex-preoptimization to speed up the first boot sequence
 # of an SDK AVD. Note that this operation only works on Linux for now
 ifeq ($(HOST_OS),linux)
@@ -41,9 +38,13 @@ BUILD_EMULATOR_OPENGL := true
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1073741824 # 1GB 
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2147483648 # 2 GB
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
+
+BOARD_SEPOLICY_DIRS += \
+        build/target/board/generic/sepolicy \
+        build/target/board/generic_x86/sepolicy
diff --git a/target/product/AndroidProducts.mk b/target/product/AndroidProducts.mk
index ac5902cc7..69edc72e4 100644
--- a/target/product/AndroidProducts.mk
+++ b/target/product/AndroidProducts.mk
@@ -59,7 +59,6 @@ PRODUCT_MAKEFILES := \
     $(LOCAL_DIR)/aosp_arm64.mk \
     $(LOCAL_DIR)/aosp_mips64.mk \
     $(LOCAL_DIR)/aosp_x86_64.mk \
-    $(LOCAL_DIR)/full_x86_64.mk \
     $(LOCAL_DIR)/sdk_phone_armv7.mk \
     $(LOCAL_DIR)/sdk_phone_x86.mk \
     $(LOCAL_DIR)/sdk_phone_mips.mk \
diff --git a/target/product/aosp_arm.mk b/target/product/aosp_arm.mk
index 86b715cd9..781cae6a0 100644
--- a/target/product/aosp_arm.mk
+++ b/target/product/aosp_arm.mk
@@ -13,6 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-$(call inherit-product, $(SRC_TARGET_DIR)/product/full.mk)
+include $(SRC_TARGET_DIR)/product/full.mk
 
 PRODUCT_NAME := aosp_arm
diff --git a/target/product/aosp_arm64.mk b/target/product/aosp_arm64.mk
index e1194661b..98afe5f92 100644
--- a/target/product/aosp_arm64.mk
+++ b/target/product/aosp_arm64.mk
@@ -19,12 +19,14 @@
 # build quite specifically for the emulator, and might not be
 # entirely appropriate to inherit from for on-device configurations.
 
+# This is for enabling ethernet support for ranchu.
+# Consider removing this after RIL support is provided in ranchu.
+PRODUCT_COPY_FILES += frameworks/native/data/etc/android.hardware.ethernet.xml:system/etc/permissions/android.hardware.ethernet.xml
+
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_arm64/device.mk)
 
-PRODUCT_RUNTIMES := runtime_libart_default
-
 include $(SRC_TARGET_DIR)/product/emulator.mk
 PRODUCT_NAME := aosp_arm64
 PRODUCT_DEVICE := generic_arm64
diff --git a/target/product/aosp_base_telephony.mk b/target/product/aosp_base_telephony.mk
index f326a0015..0d4e33356 100644
--- a/target/product/aosp_base_telephony.mk
+++ b/target/product/aosp_base_telephony.mk
@@ -14,3 +14,6 @@
 # limitations under the License.
 #
 $(call inherit-product, $(SRC_TARGET_DIR)/product/full_base_telephony.mk)
+
+PRODUCT_PACKAGES += \
+    messaging
diff --git a/target/product/aosp_mips.mk b/target/product/aosp_mips.mk
index ceeb43373..a76b93a46 100644
--- a/target/product/aosp_mips.mk
+++ b/target/product/aosp_mips.mk
@@ -13,6 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-$(call inherit-product, $(SRC_TARGET_DIR)/product/full_mips.mk)
+include $(SRC_TARGET_DIR)/product/full_mips.mk
 
 PRODUCT_NAME := aosp_mips
diff --git a/target/product/aosp_mips64.mk b/target/product/aosp_mips64.mk
index 3a6026c30..f606858e5 100644
--- a/target/product/aosp_mips64.mk
+++ b/target/product/aosp_mips64.mk
@@ -13,6 +13,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-$(call inherit-product, $(SRC_TARGET_DIR)/product/full_mips64.mk)
 
+# This is a build configuration for a full-featured build of the
+# Open-Source part of the tree. It's geared toward a US-centric
+# mips64 build quite specifically for the emulator, and might not be
+# entirely appropriate to inherit from for on-device configurations.
+
+# This is for enabling ethernet support for ranchu.
+# Consider removing this after RIL support is provided in ranchu.
+PRODUCT_COPY_FILES += frameworks/native/data/etc/android.hardware.ethernet.xml:system/etc/permissions/android.hardware.ethernet.xml
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/board/generic_mips64/device.mk)
+
+include $(SRC_TARGET_DIR)/product/emulator.mk
+
+# Overrides
 PRODUCT_NAME := aosp_mips64
+PRODUCT_DEVICE := generic_mips64
+PRODUCT_BRAND := Android
+PRODUCT_MODEL := AOSP on MIPS64 Emulator
diff --git a/target/product/aosp_x86.mk b/target/product/aosp_x86.mk
index 3e9b018a2..cba43c429 100644
--- a/target/product/aosp_x86.mk
+++ b/target/product/aosp_x86.mk
@@ -13,6 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-$(call inherit-product, $(SRC_TARGET_DIR)/product/full_x86.mk)
+include $(SRC_TARGET_DIR)/product/full_x86.mk
 
 PRODUCT_NAME := aosp_x86
diff --git a/target/product/aosp_x86_64.mk b/target/product/aosp_x86_64.mk
index 5a12c08d0..4006346a8 100644
--- a/target/product/aosp_x86_64.mk
+++ b/target/product/aosp_x86_64.mk
@@ -13,6 +13,37 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-$(call inherit-product, $(SRC_TARGET_DIR)/product/full_x86_64.mk)
 
+# This is a build configuration for a full-featured build of the
+# Open-Source part of the tree. It's geared toward a US-centric
+# build quite specifically for the emulator, and might not be
+# entirely appropriate to inherit from for on-device configurations.
+
+# If running on an emulator or some other device that has a LAN connection
+# that isn't a wifi connection. This will instruct init.rc to enable the
+# network connection so that you can use it with ADB
+
+# This is for enabling ethernet support for ranchu.
+# Consider removing this after RIL support is provided in ranchu.
+PRODUCT_COPY_FILES += frameworks/native/data/etc/android.hardware.ethernet.xml:system/etc/permissions/android.hardware.ethernet.xml
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/board/generic_x86_64/device.mk)
+
+include $(SRC_TARGET_DIR)/product/emulator.mk
+
+ifdef NET_ETH0_STARTONBOOT
+  PRODUCT_PROPERTY_OVERRIDES += net.eth0.startonboot=1
+endif
+
+# Ensure we package the BIOS files too.
+PRODUCT_PACKAGES += \
+	bios.bin \
+	vgabios-cirrus.bin \
+
+# Overrides
 PRODUCT_NAME := aosp_x86_64
+PRODUCT_DEVICE := generic_x86_64
+PRODUCT_BRAND := Android
+PRODUCT_MODEL := AOSP on IA x86_64 Emulator
diff --git a/target/product/base.mk b/target/product/base.mk
index 0d052b52f..dcd48e72d 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -18,6 +18,7 @@
 PRODUCT_PACKAGES += \
     20-dns.conf \
     95-configured \
+    org.apache.http.legacy.boot \
     appwidget \
     appops \
     am \
@@ -25,16 +26,18 @@ PRODUCT_PACKAGES += \
     android.test.runner \
     app_process \
     applypatch \
+    audioserver \
     blkid \
     bmgr \
     bugreport \
+    bugreportz \
+    cameraserver \
     content \
-    dhcpcd \
-    dhcpcd-run-hooks \
     dnsmasq \
     dpm \
     framework \
     fsck_msdos \
+    hid \
     ime \
     input \
     javax.obex \
@@ -48,6 +51,7 @@ PRODUCT_PACKAGES += \
     libbundlewrapper \
     libcamera_client \
     libcameraservice \
+    libcamera2ndk \
     libdl \
     libdrmclearkeyplugin \
     libeffectproxy \
@@ -65,12 +69,16 @@ PRODUCT_PACKAGES += \
     libnetlink \
     libnetutils \
     libpdfium \
+    libradio \
+    libradioservice \
+    libradio_metadata \
     libreference-ril \
     libreverbwrapper \
     libril \
     librtp_jni \
     libsensorservice \
     libskia \
+    libsonic \
     libsonivox \
     libsoundpool \
     libsoundtrigger \
@@ -88,14 +96,17 @@ PRODUCT_PACKAGES += \
     libvisualizer \
     libvorbisidec \
     libmediandk \
+    libvulkan \
     libwifi-service \
     media \
     media_cmd \
+    mediadrmserver \
     mediaserver \
+    mediacodec \
+    mediaextractor \
     monkey \
     mtpd \
     ndc \
-    netcfg \
     netd \
     ping \
     ping6 \
@@ -106,10 +117,15 @@ PRODUCT_PACKAGES += \
     run-as \
     schedtest \
     sdcard \
+    secdiscard \
     services \
     settings \
+    sgdisk \
+    sm \
     svc \
     tc \
+    telecom \
+    tm \
     vdc \
     vold \
     wm
diff --git a/target/product/core.mk b/target/product/core.mk
index 519dbb8ef..28558c55f 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -22,8 +22,9 @@
 
 PRODUCT_PACKAGES += \
     BasicDreams \
-    Browser \
-    Calculator \
+    BlockedNumberProvider \
+    BookmarkProvider \
+    Browser2 \
     Calendar \
     CalendarProvider \
     CaptivePortalLogin \
@@ -33,23 +34,26 @@ PRODUCT_PACKAGES += \
     DocumentsUI \
     DownloadProviderUi \
     Email \
+    ExactCalculator \
     Exchange2 \
     ExternalStorageProvider \
     FusedLocation \
     InputDevices \
     KeyChain \
     Keyguard \
-    LatinIME \
     Launcher2 \
     ManagedProvisioning \
+    MtpDocumentsProvider \
     PicoTts \
     PacProcessor \
     libpac \
     PrintSpooler \
+    PrintRecommendationService \
     ProxyHandler \
     QuickSearchBox \
     Settings \
     SharedStorageBackup \
+    StorageManager \
     Telecom \
     TeleService \
     VpnDialogs \
diff --git a/target/product/core_base.mk b/target/product/core_base.mk
index 6c2948227..86fb36cd7 100644
--- a/target/product/core_base.mk
+++ b/target/product/core_base.mk
@@ -16,14 +16,9 @@
 # Note that components added here will be also shared in PDK. Components
 # that should not be in PDK should be added in lower level like core.mk.
 
-PRODUCT_PROPERTY_OVERRIDES := \
-    ro.config.notification_sound=OnTheHunt.ogg \
-    ro.config.alarm_alert=Alarm_Classic.ogg
-
 PRODUCT_PACKAGES += \
     ContactsProvider \
     DefaultContainerService \
-    Home \
     TelephonyProvider \
     UserDictionaryProvider \
     atrace \
@@ -41,13 +36,14 @@ PRODUCT_PACKAGES += \
     libstagefright_soft_amrdec \
     libstagefright_soft_amrnbenc \
     libstagefright_soft_amrwbenc \
+    libstagefright_soft_avcdec \
+    libstagefright_soft_avcenc \
     libstagefright_soft_flacenc \
     libstagefright_soft_g711dec \
     libstagefright_soft_gsmdec \
-    libstagefright_soft_h264dec \
-    libstagefright_soft_h264enc \
     libstagefright_soft_hevcdec \
     libstagefright_soft_mp3dec \
+    libstagefright_soft_mpeg2dec \
     libstagefright_soft_mpeg4dec \
     libstagefright_soft_mpeg4enc \
     libstagefright_soft_opusdec \
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 4c08cb027..0e60013f5 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -24,12 +24,18 @@ PRODUCT_NAME := core
 
 PRODUCT_PACKAGES += \
     BackupRestoreConfirmation \
+    CtsShimPrebuilt \
+    CtsShimPrivPrebuilt \
     DownloadProvider \
+    ExtShared \
+    ExtServices \
     HTMLViewer \
     MediaProvider \
     PackageInstaller \
     SettingsProvider \
     Shell \
+    StatementService \
+    WallpaperBackup \
     bcc \
     bu \
     com.android.future.usb.accessory \
@@ -49,8 +55,10 @@ PRODUCT_PACKAGES += \
     ip-up-vpn \
     ip6tables \
     iptables \
+    gatekeeperd \
     keystore \
     keystore.default \
+    ld.mc \
     libbcc \
     libOpenMAXAL \
     libOpenSLES \
@@ -59,13 +67,12 @@ PRODUCT_PACKAGES += \
     libdrmframework_jni \
     libfilterfw \
     libkeystore \
-    libsqlite_jni \
+    libgatekeeper \
     libwilhelm \
     logd \
     make_ext4fs \
     e2fsck \
     resize2fs \
-    mms-common \
     screencap \
     sensorservice \
     telephony-common \
@@ -80,6 +87,7 @@ PRODUCT_COPY_FILES += \
 
 # The order of PRODUCT_BOOT_JARS matters.
 PRODUCT_BOOT_JARS := \
+    core-oj \
     core-libart \
     conscrypt \
     okhttp \
@@ -90,21 +98,57 @@ PRODUCT_BOOT_JARS := \
     telephony-common \
     voip-common \
     ims-common \
-    mms-common \
-    android.policy \
     apache-xml \
+    org.apache.http.legacy.boot
 
 # The order of PRODUCT_SYSTEM_SERVER_JARS matters.
+ifneq ($(TARGET_DISABLE_CMSDK), true)
 PRODUCT_SYSTEM_SERVER_JARS := \
+    org.cyanogenmod.platform \
+    org.cyanogenmod.hardware
+endif
+PRODUCT_SYSTEM_SERVER_JARS += \
     services \
     ethernet-service \
     wifi-service
 
-PRODUCT_RUNTIMES := runtime_libart_default
+# Adoptable external storage f2fs support
+PRODUCT_PACKAGES += \
+    fsck.f2fs \
+    mkfs.f2fs \
 
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     ro.zygote=zygote32
 PRODUCT_COPY_FILES += \
     system/core/rootdir/init.zygote32.rc:root/init.zygote32.rc
 
+PRODUCT_COPY_FILES += \
+    system/core/rootdir/etc/public.libraries.android.txt:system/etc/public.libraries.txt
+
+# Different dexopt types for different package update/install times.
+# On eng builds, make "boot" reasons do pure JIT for faster turnaround.
+ifeq (eng,$(TARGET_BUILD_VARIANT))
+    PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+        pm.dexopt.first-boot=verify-at-runtime \
+        pm.dexopt.boot=verify-at-runtime
+else
+    PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+        pm.dexopt.first-boot=interpret-only \
+        pm.dexopt.boot=verify-profile
+endif
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+    pm.dexopt.install=interpret-only \
+    pm.dexopt.bg-dexopt=speed-profile \
+    pm.dexopt.ab-ota=speed-profile \
+    pm.dexopt.nsys-library=speed \
+    pm.dexopt.shared-apk=speed \
+    pm.dexopt.forced-dexopt=speed \
+    pm.dexopt.core-app=speed
+
+
+# Enable boot.oat filtering of compiled classes to reduce boot.oat size. b/28026683
+PRODUCT_COPY_FILES += $(call add-to-product-copy-files-if-exists,\
+    frameworks/base/compiled-classes-phone:system/etc/compiled-classes)
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/runtime_libart.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/base.mk)
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 9637e3413..ec2fa41d1 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -35,14 +35,16 @@ PRODUCT_PACKAGES += \
     local_time.default \
     power.default
 
-PRODUCT_PACKAGES += \
-    local_time.default
-
 PRODUCT_PACKAGES += \
     BackupRestoreConfirmation \
+    CtsShimPrebuilt \
+    CtsShimPrivPrebuilt \
     DefaultContainerService \
+    ExtShared \
+    ExtServices \
     SettingsProvider \
     Shell \
+    WallpaperBackup \
     bcc \
     bu \
     com.android.location.provider \
@@ -54,14 +56,16 @@ PRODUCT_PACKAGES += \
     ip-up-vpn \
     ip6tables \
     iptables \
+    gatekeeperd \
     keystore \
     keystore.default \
+    ld.mc \
     libOpenMAXAL \
     libOpenSLES \
     libdownmix \
     libfilterfw \
+    libgatekeeper \
     libkeystore \
-    libsqlite_jni \
     libwilhelm \
     libdrmframework_jni \
     libdrmframework \
@@ -76,11 +80,11 @@ PRODUCT_PACKAGES += \
     telephony-common \
     voip-common \
     logd \
-    mms-common \
     wifi-service
 
 # The order matters
 PRODUCT_BOOT_JARS := \
+    core-oj \
     core-libart \
     conscrypt \
     okhttp \
@@ -91,18 +95,15 @@ PRODUCT_BOOT_JARS := \
     telephony-common \
     voip-common \
     ims-common \
-    mms-common \
-    android.policy \
     apache-xml \
     nullwebview \
+    org.apache.http.legacy.boot
 
 # The order of PRODUCT_SYSTEM_SERVER_JARS matters.
 PRODUCT_SYSTEM_SERVER_JARS := \
     services \
     wifi-service
 
-PRODUCT_RUNTIMES := runtime_libart_default
-
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     ro.zygote=zygote32
 PRODUCT_COPY_FILES += \
@@ -111,8 +112,30 @@ PRODUCT_COPY_FILES += \
 PRODUCT_PROPERTY_OVERRIDES += \
     ro.carrier=unknown
 
+# Different dexopt types for different package update/install times.
+# On eng builds, make "boot" reasons do pure JIT for faster turnaround.
+ifeq (eng,$(TARGET_BUILD_VARIANT))
+    PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+        pm.dexopt.first-boot=verify-at-runtime \
+        pm.dexopt.boot=verify-at-runtime
+else
+    PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+        pm.dexopt.first-boot=interpret-only \
+        pm.dexopt.boot=verify-profile
+endif
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+    pm.dexopt.install=interpret-only \
+    pm.dexopt.bg-dexopt=speed-profile \
+    pm.dexopt.ab-ota=speed-profile \
+    pm.dexopt.nsys-library=speed \
+    pm.dexopt.shared-apk=speed \
+    pm.dexopt.forced-dexopt=speed \
+    pm.dexopt.core-app=speed
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/runtime_libart.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/base.mk)
 $(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
+$(call inherit-product-if-exists, external/roboto-fonts/fonts.mk)
 
 # Overrides
 PRODUCT_BRAND := tiny
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index b60c9488e..55de3b9e9 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -22,11 +22,14 @@ PRODUCT_PACKAGES += \
     adbd \
     atrace \
     bootanimation \
+    bootstat \
+    cmd \
     debuggerd \
-    debuggerd64 \
     dumpstate \
     dumpsys \
+    fastboot \
     gralloc.default \
+    grep \
     gzip \
     healthd \
     init \
@@ -37,8 +40,10 @@ PRODUCT_PACKAGES += \
     libFFTEm \
     libGLESv1_CM \
     libGLESv2 \
+    libGLESv3 \
     libbinder \
     libc \
+    libc_malloc_debug \
     libcutils \
     libdl \
     libgui \
@@ -49,40 +54,45 @@ PRODUCT_PACKAGES += \
     libm \
     libpixelflinger \
     libpower \
+    libsigchain \
     libstdc++ \
-    libstlport \
     libsurfaceflinger \
     libsurfaceflinger_ddmconnection \
     libsysutils \
     libui \
     libutils \
     linker \
-    linker64 \
     lmkd \
     logcat \
     logwrapper \
     mkshrc \
     reboot \
+    recovery \
     service \
     servicemanager \
     sh \
     surfaceflinger \
     toolbox \
-    libsigchain
+    toybox \
+    tzdatacheck \
 
 # SELinux packages
 PRODUCT_PACKAGES += \
     sepolicy \
-    file_contexts \
+    file_contexts.bin \
     seapp_contexts \
     property_contexts \
     mac_permissions.xml \
     selinux_version \
     service_contexts
 
+# Ensure that this property is always defined so that bionic_systrace.cpp
+# can rely on it being initially set by init.
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+    debug.atrace.tags.enableflags=0
 
 PRODUCT_COPY_FILES += \
     system/core/rootdir/init.usb.rc:root/init.usb.rc \
-    system/core/rootdir/init.trace.rc:root/init.trace.rc \
+    system/core/rootdir/init.usb.configfs.rc:root/init.usb.configfs.rc \
     system/core/rootdir/ueventd.rc:root/ueventd.rc \
     system/core/rootdir/etc/hosts:system/etc/hosts
diff --git a/target/product/emulator.mk b/target/product/emulator.mk
index 62099df18..70cd5977a 100644
--- a/target/product/emulator.mk
+++ b/target/product/emulator.mk
@@ -26,6 +26,7 @@ PRODUCT_PACKAGES += \
 PRODUCT_PACKAGES += \
     egl.cfg \
     gralloc.goldfish \
+    gralloc.ranchu \
     libGLESv1_CM_emulation \
     lib_renderControl_enc \
     libEGL_emulation \
@@ -38,14 +39,32 @@ PRODUCT_PACKAGES += \
     qemud \
     camera.goldfish \
     camera.goldfish.jpeg \
+    camera.ranchu \
+    camera.ranchu.jpeg \
     lights.goldfish \
     gps.goldfish \
+    gps.ranchu \
+    fingerprint.goldfish \
     sensors.goldfish \
+    audio.primary.goldfish \
+    vibrator.goldfish \
+    power.goldfish \
+    fingerprint.ranchu \
+    fingerprintd \
+    sensors.ranchu \
     e2fsck
 
-
 PRODUCT_COPY_FILES += \
     device/generic/goldfish/fstab.goldfish:root/fstab.goldfish \
     device/generic/goldfish/init.goldfish.rc:root/init.goldfish.rc \
     device/generic/goldfish/init.goldfish.sh:system/etc/init.goldfish.sh \
-    device/generic/goldfish/ueventd.goldfish.rc:root/ueventd.goldfish.rc
+    device/generic/goldfish/ueventd.goldfish.rc:root/ueventd.goldfish.rc \
+    device/generic/goldfish/init.ranchu.rc:root/init.ranchu.rc \
+    device/generic/goldfish/fstab.ranchu:root/fstab.ranchu \
+    device/generic/goldfish/ueventd.ranchu.rc:root/ueventd.ranchu.rc \
+    device/generic/goldfish/input/goldfish_rotary.idc:system/usr/idc/goldfish_rotary.idc \
+    frameworks/native/data/etc/android.hardware.usb.accessory.xml:system/etc/permissions/android.hardware.usb.accessory.xml
+
+PRODUCT_PACKAGE_OVERLAYS := device/generic/goldfish/overlay
+
+PRODUCT_CHARACTERISTICS := emulator
diff --git a/target/product/full_base.mk b/target/product/full_base.mk
index caace76eb..b98f0be57 100644
--- a/target/product/full_base.mk
+++ b/target/product/full_base.mk
@@ -21,43 +21,23 @@
 
 PRODUCT_PACKAGES := \
     libfwdlockengine \
-    OpenWnn \
-    libWnnEngDic \
-    libWnnJpnDic \
-    libwnndict \
     WAPPushManager
 
-PRODUCT_PACKAGES += \
-    Galaxy4 \
-    HoloSpiralWallpaper \
-    LiveWallpapers \
-    LiveWallpapersPicker \
-    MagicSmokeWallpapers \
-    NoiseField \
-    PhaseBeam \
-    VisualizationWallpapers \
-    PhotoTable
-
-# Additional settings used in all AOSP builds
-PRODUCT_PROPERTY_OVERRIDES := \
-    ro.com.android.dateformat=MM-dd-yyyy \
-    ro.config.ringtone=Ring_Synth_04.ogg \
-    ro.config.notification_sound=pixiedust.ogg
-
 # Put en_US first in the list, so make it default.
 PRODUCT_LOCALES := en_US
 
-# Include drawables for all densities
-PRODUCT_AAPT_CONFIG := normal
-
 # Get some sounds
 $(call inherit-product-if-exists, frameworks/base/data/sounds/AllAudio.mk)
 
 # Get the TTS language packs
 $(call inherit-product-if-exists, external/svox/pico/lang/all_pico_languages.mk)
 
+ifeq ($(TARGET_LOCALES),)
 # Get a list of languages.
 $(call inherit-product, $(SRC_TARGET_DIR)/product/locales_full.mk)
+else
+PRODUCT_LOCALES := $(TARGET_LOCALES)
+endif
 
 # Get everything else from the parent package
 $(call inherit-product, $(SRC_TARGET_DIR)/product/generic_no_telephony.mk)
diff --git a/target/product/full_base_telephony.mk b/target/product/full_base_telephony.mk
index 2fd2ce803..7988e9b77 100644
--- a/target/product/full_base_telephony.mk
+++ b/target/product/full_base_telephony.mk
@@ -19,16 +19,8 @@
 # build quite specifically for the emulator, and might not be
 # entirely appropriate to inherit from for on-device configurations.
 
-PRODUCT_PACKAGES := \
-    VoiceDialer
-
 PRODUCT_PROPERTY_OVERRIDES := \
-    keyguard.no_require_sim=true \
-    ro.com.android.dataroaming=true
-
-PRODUCT_COPY_FILES := \
-    device/generic/goldfish/data/etc/apns-conf.xml:system/etc/apns-conf.xml \
-    frameworks/native/data/etc/handheld_core_hardware.xml:system/etc/permissions/handheld_core_hardware.xml
+    keyguard.no_require_sim=true
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/telephony.mk)
diff --git a/target/product/full_mips64.mk b/target/product/full_mips64.mk
deleted file mode 100644
index 408e81c10..000000000
--- a/target/product/full_mips64.mk
+++ /dev/null
@@ -1,34 +0,0 @@
-#
-# Copyright (C) 2013 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# mips64 build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
-
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/board/generic_mips64/device.mk)
-
-PRODUCT_RUNTIMES := runtime_libart_default
-
-include $(SRC_TARGET_DIR)/product/emulator.mk
-
-# Overrides
-PRODUCT_NAME := full_mips64
-PRODUCT_DEVICE := generic_mips64
-PRODUCT_BRAND := Android
-PRODUCT_MODEL := AOSP on MIPS64 Emulator
diff --git a/target/product/full_x86_64.mk b/target/product/full_x86_64.mk
deleted file mode 100755
index d9c0c1ea5..000000000
--- a/target/product/full_x86_64.mk
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# Copyright (C) 2009 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
-
-# If running on an emulator or some other device that has a LAN connection
-# that isn't a wifi connection. This will instruct init.rc to enable the
-# network connection so that you can use it with ADB
-
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/board/generic_x86_64/device.mk)
-
-PRODUCT_RUNTIMES := runtime_libart_default
-
-include $(SRC_TARGET_DIR)/product/emulator.mk
-
-ifdef NET_ETH0_STARTONBOOT
-  PRODUCT_PROPERTY_OVERRIDES += net.eth0.startonboot=1
-endif
-
-# Ensure we package the BIOS files too.
-PRODUCT_PACKAGES += \
-	bios.bin \
-	vgabios-cirrus.bin \
-
-# Overrides
-PRODUCT_NAME := full_x86_64
-PRODUCT_DEVICE := generic_x86_64
-PRODUCT_BRAND := Android
-PRODUCT_MODEL := AOSP on IA x86_64 Emulator
diff --git a/target/product/generic_no_telephony.mk b/target/product/generic_no_telephony.mk
index 7af62ce46..6c23fbb7d 100644
--- a/target/product/generic_no_telephony.mk
+++ b/target/product/generic_no_telephony.mk
@@ -19,6 +19,7 @@
 
 PRODUCT_PACKAGES := \
     Bluetooth \
+    BluetoothMidiService \
     Camera2 \
     Gallery2 \
     Music \
@@ -26,6 +27,7 @@ PRODUCT_PACKAGES := \
     OneTimeInitializer \
     Provision \
     SystemUI \
+    EasterEgg \
     WallpaperCropper
 
 PRODUCT_PACKAGES += \
@@ -35,12 +37,7 @@ PRODUCT_PACKAGES += \
     screenrecord
 
 PRODUCT_PACKAGES += \
-    librs_jni \
-    libvideoeditor_jni \
-    libvideoeditor_core \
-    libvideoeditor_osal \
-    libvideoeditor_videofilters \
-    libvideoeditorplayer \
+    librs_jni
 
 PRODUCT_PACKAGES += \
     audio.primary.default \
@@ -49,9 +46,6 @@ PRODUCT_PACKAGES += \
     vibrator.default \
     power.default
 
-PRODUCT_PACKAGES += \
-    local_time.default
-
 PRODUCT_COPY_FILES := \
         frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf
 
@@ -63,9 +57,10 @@ $(call inherit-product-if-exists, external/google-fonts/dancing-script/fonts.mk)
 $(call inherit-product-if-exists, external/google-fonts/carrois-gothic-sc/fonts.mk)
 $(call inherit-product-if-exists, external/google-fonts/coming-soon/fonts.mk)
 $(call inherit-product-if-exists, external/google-fonts/cutive-mono/fonts.mk)
-$(call inherit-product-if-exists, external/lohit-fonts/fonts.mk)
 $(call inherit-product-if-exists, external/noto-fonts/fonts.mk)
 $(call inherit-product-if-exists, external/naver-fonts/fonts.mk)
+$(call inherit-product-if-exists, external/roboto-fonts/fonts.mk)
+$(call inherit-product-if-exists, external/hyphenation-patterns/patterns.mk)
 $(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
 $(call inherit-product-if-exists, frameworks/webview/chromium/chromium.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core.mk)
diff --git a/target/product/languages_full.mk b/target/product/languages_full.mk
index 6d77cde1b..ddc1c7f21 100644
--- a/target/product/languages_full.mk
+++ b/target/product/languages_full.mk
@@ -21,4 +21,7 @@
 
 # These are all the locales that have translations and are displayable
 # by TextView in this branch.
-PRODUCT_LOCALES := en_US en_AU en_IN fr_FR it_IT es_ES et_EE de_DE nl_NL cs_CZ pl_PL ja_JP zh_TW zh_CN zh_HK ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR rm_CH sv_SE bg_BG ca_ES en_GB fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET hi_IN en_XA ar_XB fr_CA km_KH lo_LA ne_NP si_LK mn_MN hy_AM az_AZ ka_GE my_MM mr_IN ml_IN is_IS mk_MK ky_KG eu_ES gl_ES bn_BD ta_IN kn_IN te_IN uz_UZ ur_PK kk_KZ
+PRODUCT_LOCALES := en_US en_AU en_IN fr_FR it_IT es_ES et_EE de_DE nl_NL cs_CZ pl_PL ja_JP zh_TW zh_CN zh_HK ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR sv_SE bg_BG ca_ES en_GB fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET en_XA ar_XB fr_CA km_KH lo_LA ne_NP si_LK mn_MN hy_AM az_AZ ka_GE my_MM mr_IN ml_IN is_IS mk_MK ky_KG eu_ES gl_ES bn_BD ta_IN kn_IN te_IN uz_UZ ur_PK kk_KZ sq_AL gu_IN pa_IN be_BY bs_BA
+
+# CyanogenMod
+PRODUCT_LOCALES += ast_ES lb_LU ku_IQ
diff --git a/target/product/product_launched_with_l.mk b/target/product/product_launched_with_l.mk
new file mode 100644
index 000000000..b86f424f3
--- /dev/null
+++ b/target/product/product_launched_with_l.mk
@@ -0,0 +1,2 @@
+#PRODUCT_SHIPPING_API_LEVEL indicates the first api level, device has been commercially launced on.
+PRODUCT_SHIPPING_API_LEVEL := 21
diff --git a/target/product/product_launched_with_l_mr1.mk b/target/product/product_launched_with_l_mr1.mk
new file mode 100644
index 000000000..7a5bd0f2d
--- /dev/null
+++ b/target/product/product_launched_with_l_mr1.mk
@@ -0,0 +1,2 @@
+#PRODUCT_SHIPPING_API_LEVEL indicates the first api level, device has been commercially launced on.
+PRODUCT_SHIPPING_API_LEVEL := 22
diff --git a/target/product/product_launched_with_m.mk b/target/product/product_launched_with_m.mk
new file mode 100644
index 000000000..afd8647dd
--- /dev/null
+++ b/target/product/product_launched_with_m.mk
@@ -0,0 +1,2 @@
+#PRODUCT_SHIPPING_API_LEVEL indicates the first api level, device has been commercially launced on.
+PRODUCT_SHIPPING_API_LEVEL := 23
diff --git a/target/product/product_launched_with_n.mk b/target/product/product_launched_with_n.mk
new file mode 100644
index 000000000..f7c5d794d
--- /dev/null
+++ b/target/product/product_launched_with_n.mk
@@ -0,0 +1,2 @@
+#PRODUCT_SHIPPING_API_LEVEL indicates the first api level, device has been commercially launced on.
+PRODUCT_SHIPPING_API_LEVEL := 24
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index e4200b30f..5fd4d7ec6 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -17,11 +17,39 @@
 # Provides a functioning ART environment without Android frameworks
 
 PRODUCT_PACKAGES += \
-        core-libart \
-        libart \
-        dex2oat \
-        oatdump \
-        patchoat
+    apache-xml \
+    ahat \
+    bouncycastle \
+    cacerts \
+    conscrypt \
+    core-oj \
+    core-junit \
+    core-libart \
+    dalvikvm \
+    dex2oat \
+    dexdeps \
+    dexdump \
+    dexlist \
+    dmtracedump \
+    dx \
+    ext \
+    hprof-conv \
+    libart \
+    libart_fake \
+    libcrypto \
+    libexpat \
+    libicui18n \
+    libicuuc \
+    libjavacore \
+    libopenjdk \
+    libopenjdkjvm \
+    libnativehelper \
+    libssl \
+    libz \
+    oatdump \
+    okhttp \
+    patchoat \
+    profman
 
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     dalvik.vm.image-dex2oat-Xms=64m \
@@ -29,5 +57,6 @@ PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     dalvik.vm.dex2oat-Xms=64m \
     dalvik.vm.dex2oat-Xmx=512m \
     ro.dalvik.vm.native.bridge=0 \
-
-include $(SRC_TARGET_DIR)/product/runtime_common.mk
+    dalvik.vm.usejit=true \
+    dalvik.vm.usejitprofiles=true \
+    dalvik.vm.appimageformat=lz4
diff --git a/target/product/sdk_base.mk b/target/product/sdk_base.mk
index 451c0b71a..fa257aeff 100644
--- a/target/product/sdk_base.mk
+++ b/target/product/sdk_base.mk
@@ -21,12 +21,12 @@ PRODUCT_PACKAGES := \
 	CubeLiveWallpapers \
 	CustomLocale \
 	Development \
-	DevelopmentSettings \
 	Dialer \
 	EmulatorSmokeTests \
 	Fallback \
 	Gallery \
 	GestureBuilder \
+	Launcher3 \
 	LegacyCamera \
 	librs_jni \
 	libwnndict \
@@ -44,6 +44,7 @@ PRODUCT_PACKAGES := \
 	SoftKeyboard \
 	sqlite3 \
 	SystemUI \
+	EasterEgg \
 	WidgetPreview
 
 # Define the host tools and libs that are parts of the SDK.
@@ -60,9 +61,11 @@ PRODUCT_PACKAGE_OVERLAYS := development/sdk_overlay
 
 PRODUCT_COPY_FILES := \
 	device/generic/goldfish/data/etc/apns-conf.xml:system/etc/apns-conf.xml \
+	device/sample/etc/old-apns-conf.xml:system/etc/old-apns-conf.xml \
 	frameworks/base/data/sounds/effects/camera_click.ogg:system/media/audio/ui/camera_click.ogg \
 	frameworks/base/data/sounds/effects/VideoRecord.ogg:system/media/audio/ui/VideoRecord.ogg \
-	frameworks/native/data/etc/handheld_core_hardware.xml:system/etc/permissions/handheld_core_hardware.xml \
+	frameworks/base/data/sounds/effects/VideoStop.ogg:system/media/audio/ui/VideoStop.ogg \
+	device/generic/goldfish/data/etc/handheld_core_hardware.xml:system/etc/permissions/handheld_core_hardware.xml \
 	device/generic/goldfish/camera/media_profiles.xml:system/etc/media_profiles.xml \
 	frameworks/av/media/libstagefright/data/media_codecs_google_audio.xml:system/etc/media_codecs_google_audio.xml \
 	frameworks/av/media/libstagefright/data/media_codecs_google_telephony.xml:system/etc/media_codecs_google_telephony.xml \
@@ -70,6 +73,7 @@ PRODUCT_COPY_FILES := \
 	device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
 	frameworks/native/data/etc/android.hardware.touchscreen.multitouch.jazzhand.xml:system/etc/permissions/android.hardware.touchscreen.multitouch.jazzhand.xml \
 	frameworks/native/data/etc/android.hardware.camera.autofocus.xml:system/etc/permissions/android.hardware.camera.autofocus.xml \
+	frameworks/native/data/etc/android.hardware.fingerprint.xml:system/etc/permissions/android.hardware.fingerprint.xml \
 	frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf \
 	hardware/libhardware_legacy/audio/audio_policy.conf:system/etc/audio_policy.conf
 
@@ -83,6 +87,7 @@ $(call inherit-product-if-exists, external/google-fonts/coming-soon/fonts.mk)
 $(call inherit-product-if-exists, external/google-fonts/cutive-mono/fonts.mk)
 $(call inherit-product-if-exists, external/noto-fonts/fonts.mk)
 $(call inherit-product-if-exists, external/naver-fonts/fonts.mk)
+$(call inherit-product-if-exists, external/roboto-fonts/fonts.mk)
 $(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
 $(call inherit-product-if-exists, frameworks/webview/chromium/chromium.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core.mk)
diff --git a/target/product/sdk_phone_arm64.mk b/target/product/sdk_phone_arm64.mk
index c501f1498..a689475b3 100644
--- a/target/product/sdk_phone_arm64.mk
+++ b/target/product/sdk_phone_arm64.mk
@@ -21,9 +21,16 @@
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/board/generic_arm64/device.mk)
+
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
 
 # Overrides
-PRODUCT_BRAND := generic_arm64
+PRODUCT_BRAND := Android
 PRODUCT_NAME := sdk_phone_arm64
 PRODUCT_DEVICE := generic_arm64
 PRODUCT_MODEL := Android SDK built for arm64
diff --git a/target/product/sdk_phone_armv7.mk b/target/product/sdk_phone_armv7.mk
index aeb49402f..ebdd0e7f4 100644
--- a/target/product/sdk_phone_armv7.mk
+++ b/target/product/sdk_phone_armv7.mk
@@ -16,7 +16,13 @@
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
+
 # Overrides
-PRODUCT_BRAND := generic
+PRODUCT_BRAND := Android
 PRODUCT_NAME := sdk_phone_armv7
 PRODUCT_DEVICE := generic
diff --git a/target/product/sdk_phone_mips.mk b/target/product/sdk_phone_mips.mk
index 818491ffa..1cc2fe4b5 100644
--- a/target/product/sdk_phone_mips.mk
+++ b/target/product/sdk_phone_mips.mk
@@ -21,8 +21,14 @@
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
+
 # Overrides
-PRODUCT_BRAND := generic_mips
+PRODUCT_BRAND := Android
 PRODUCT_NAME := sdk_phone_mips
 PRODUCT_DEVICE := generic_mips
 PRODUCT_MODEL := Android SDK for Mips
diff --git a/target/product/sdk_phone_mips64.mk b/target/product/sdk_phone_mips64.mk
index afdb2a88c..e45d71bd8 100644
--- a/target/product/sdk_phone_mips64.mk
+++ b/target/product/sdk_phone_mips64.mk
@@ -22,8 +22,14 @@
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
+
 # Overrides
-PRODUCT_BRAND := generic_mips64
+PRODUCT_BRAND := Android
 PRODUCT_NAME := sdk_phone_mips64
 PRODUCT_DEVICE := generic_mips64
 PRODUCT_MODEL := Android SDK built for mips64
diff --git a/target/product/sdk_phone_x86.mk b/target/product/sdk_phone_x86.mk
index 95c49ab64..01c2e8339 100644
--- a/target/product/sdk_phone_x86.mk
+++ b/target/product/sdk_phone_x86.mk
@@ -21,8 +21,14 @@
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
+
 # Overrides
-PRODUCT_BRAND := generic_x86
+PRODUCT_BRAND := Android
 PRODUCT_NAME := sdk_phone_x86
 PRODUCT_DEVICE := generic_x86
 PRODUCT_MODEL := Android SDK built for x86
diff --git a/target/product/sdk_phone_x86_64.mk b/target/product/sdk_phone_x86_64.mk
index 69e37afb5..c3bc5e958 100644
--- a/target/product/sdk_phone_x86_64.mk
+++ b/target/product/sdk_phone_x86_64.mk
@@ -22,8 +22,14 @@
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
 
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
+
 # Overrides
-PRODUCT_BRAND := generic_x86_64
+PRODUCT_BRAND := Android
 PRODUCT_NAME := sdk_phone_x86_64
 PRODUCT_DEVICE := generic_x86_64
 PRODUCT_MODEL := Android SDK built for x86_64
diff --git a/target/product/security/README b/target/product/security/README
index 24f984c59..15f2e93e0 100644
--- a/target/product/security/README
+++ b/target/product/security/README
@@ -1,3 +1,14 @@
+For detailed information on key types and image signing, please see:
+
+https://source.android.com/devices/tech/ota/sign_builds.html
+
+The test keys in this directory are used in development only and should
+NEVER be used to sign packages in publicly released images (as that would
+open a major security hole).
+
+key generation
+--------------
+
 The following commands were used to generate the test key pairs:
 
   development/tools/make_key testkey  '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
@@ -5,18 +16,6 @@ The following commands were used to generate the test key pairs:
   development/tools/make_key shared   '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
   development/tools/make_key media    '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
 
-The following standard test keys are currently included:
-
-testkey -- a generic key for packages that do not otherwise specify a key.
-platform -- a test key for packages that are part of the core platform.
-shared -- a test key for things that are shared in the home/contacts process.
-media -- a test key for packages that are part of the media/download system.
-
-These test keys are used strictly in development, and should never be assumed
-to convey any sort of validity.  When $BUILD_SECURE=true, the code should not
-honor these keys in any context.
-
-
 signing using the openssl commandline (for boot/system images)
 --------------------------------------------------------------
 
@@ -28,7 +27,12 @@ signing using the openssl commandline (for boot/system images)
 
 extracting public keys for embedding
 ------------------------------------
-it's a Java tool
-but it generates C code
-take a look at commands/recovery/Android.mk
-you'll see it running $(HOST_OUT_JAVA_LIBRARIES)/dumpkey.jar
+
+dumpkey.jar is a Java tool that takes an x.509 certificate in PEM format as
+input and prints a C structure to standard output:
+
+    $ java -jar out/host/linux-x86/framework/dumpkey.jar build/target/product/security/testkey.x509.pem
+    {64,0xc926ad21,{1795090719,2141396315,950055447,2581568430,4268923165,1920809988,546586521,3498997798,1776797858,3740060814,1805317999,1429410244,129622599,1422441418,1783893377,1222374759,2563319927,323993566,28517732,609753416,1826472888,215237850,4261642700,4049082591,3228462402,774857746,154822455,2497198897,2758199418,3019015328,2794777644,87251430,2534927978,120774784,571297800,3695899472,2479925187,3811625450,3401832990,2394869647,3267246207,950095497,555058928,414729973,1136544882,3044590084,465547824,4058146728,2731796054,1689838846,3890756939,1048029507,895090649,247140249,178744550,3547885223,3165179243,109881576,3944604415,1044303212,3772373029,2985150306,3737520932,3599964420},{3437017481,3784475129,2800224972,3086222688,251333580,2131931323,512774938,325948880,2657486437,2102694287,3820568226,792812816,1026422502,2053275343,2800889200,3113586810,165549746,4273519969,4065247892,1902789247,772932719,3941848426,3652744109,216871947,3164400649,1942378755,3996765851,1055777370,964047799,629391717,2232744317,3910558992,191868569,2758883837,3682816752,2997714732,2702529250,3570700455,3776873832,3924067546,3555689545,2758825434,1323144535,61311905,1997411085,376844204,213777604,4077323584,9135381,1625809335,2804742137,2952293945,1117190829,4237312782,1825108855,3013147971,1111251351,2568837572,1684324211,2520978805,367251975,810756730,2353784344,1175080310}}
+
+This is called by build/core/Makefile to incorporate the OTA signing keys
+into the recovery image.
diff --git a/target/product/telephony.mk b/target/product/telephony.mk
index da1497d09..e840ba126 100644
--- a/target/product/telephony.mk
+++ b/target/product/telephony.mk
@@ -18,8 +18,11 @@
 # to products that have telephony hardware.
 
 PRODUCT_PACKAGES := \
+    CarrierConfig \
     Dialer \
-    Mms \
+    CallLogBackup \
+    CellBroadcastReceiver \
+    EmergencyInfo \
     rild
 
 PRODUCT_COPY_FILES := \
diff --git a/target/product/runtime_common.mk b/target/product/vboot.mk
similarity index 53%
rename from target/product/runtime_common.mk
rename to target/product/vboot.mk
index 9ae182a37..48a4883b4 100644
--- a/target/product/runtime_common.mk
+++ b/target/product/vboot.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013 The Android Open Source Project
+# Copyright (C) 2015 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,28 +14,12 @@
 # limitations under the License.
 #
 
-# Common runtime modules for both Dalvik and ART
+# Provides dependencies necessary for verified boot
 
-PRODUCT_PACKAGES += \
-    apache-xml \
-    bouncycastle \
-    cacerts \
-    conscrypt \
-    core-junit \
-    dalvikvm \
-    dexdeps \
-    dexdump \
-    dexlist \
-    dmtracedump \
-    dx \
-    ext \
-    hprof-conv \
-    libcrypto \
-    libexpat \
-    libicui18n \
-    libicuuc \
-    libjavacore \
-    libnativehelper \
-    libssl \
-    libz \
-    okhttp
+PRODUCT_SUPPORTS_VBOOT := true
+
+# The dev key is used to sign boot and recovery images.
+# We expect this file to exist with the suffixes ".vbprivk" and ".vbpupk".
+# TODO: find a proper location for this
+PRODUCT_VBOOT_SIGNING_KEY := external/vboot_reference/tests/devkeys/kernel_data_key
+PRODUCT_VBOOT_SIGNING_SUBKEY := external/vboot_reference/tests/devkeys/kernel_subkey
diff --git a/target/product/verity.mk b/target/product/verity.mk
index 0361b6414..0badb9feb 100644
--- a/target/product/verity.mk
+++ b/target/product/verity.mk
@@ -14,14 +14,20 @@
 # limitations under the License.
 #
 
-# Provides dependencies necessary for verified boot
+# Provides dependencies necessary for verified boot (only for user and
+# userdebug builds)
 
-PRODUCT_SUPPORTS_VERITY := true
+user_variant := $(filter user userdebug,$(TARGET_BUILD_VARIANT))
+ifneq (,$(user_variant))
+    PRODUCT_SUPPORTS_BOOT_SIGNER := true
+    PRODUCT_SUPPORTS_VERITY := true
+    PRODUCT_SUPPORTS_VERITY_FEC := true
 
-# The dev key is used to sign boot and recovery images, and the verity
-# metadata table. Actual product deliverables will be re-signed by hand.
-# We expect this file to exist with the suffixes ".x509.pem" and ".pk8".
-PRODUCT_VERITY_SIGNING_KEY := build/target/product/security/verity
+    # The dev key is used to sign boot and recovery images, and the verity
+    # metadata table. Actual product deliverables will be re-signed by hand.
+    # We expect this file to exist with the suffixes ".x509.pem" and ".pk8".
+    PRODUCT_VERITY_SIGNING_KEY := build/target/product/security/verity
 
-PRODUCT_PACKAGES += \
-        verity_key
+    PRODUCT_PACKAGES += \
+            verity_key
+endif
diff --git a/tools/Android.mk b/tools/Android.mk
index 30febd6a3..9073ac3a2 100644
--- a/tools/Android.mk
+++ b/tools/Android.mk
@@ -16,17 +16,4 @@
 
 LOCAL_PATH := $(call my-dir)
 
-ifeq (,$(TARGET_BUILD_APPS))
-
-ifeq ($(TARGET_BUILD_PDK),true)
-include $(filter-out %/acp/Android.mk %/signapk/Android.mk %/zipalign/Android.mk,\
-  $(call all-makefiles-under,$(LOCAL_PATH)))
-else # !PDK
 include $(call all-makefiles-under,$(LOCAL_PATH))
-endif # PDK
-
-else # TARGET_BUILD_APPS
-
-include $(LOCAL_PATH)/apicheck/Android.mk
-
-endif
diff --git a/tools/acp/Android.mk b/tools/acp/Android.mk
index 33c55675f..eec9c9db3 100644
--- a/tools/acp/Android.mk
+++ b/tools/acp/Android.mk
@@ -3,23 +3,15 @@
 # Custom version of cp.
 
 LOCAL_PATH:= $(call my-dir)
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := \
     acp.c
 
-ifeq ($(HOST_OS),cygwin)
-LOCAL_CFLAGS += -DWIN32_EXE
-endif
-ifeq ($(HOST_OS),darwin)
-LOCAL_CFLAGS += -DMACOSX_RSRC
-endif
-ifeq ($(HOST_OS),linux)
-endif
-
 LOCAL_STATIC_LIBRARIES := libhost
-LOCAL_C_INCLUDES := build/libs/host/include
 LOCAL_MODULE := acp
 LOCAL_ACP_UNAVAILABLE := true
+LOCAL_CXX_STL := none
 
 include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/apicheck/Android.mk b/tools/apicheck/Android.mk
index 1674a17e9..b5470588e 100644
--- a/tools/apicheck/Android.mk
+++ b/tools/apicheck/Android.mk
@@ -15,26 +15,15 @@
 ifneq ($(TARGET_BUILD_PDK),true)
 LOCAL_PATH := $(call my-dir)
 
-# We use copy-file-to-new-target so that the installed
-# script file's timestamp is at least as new as the
-# .jar file it wraps.
-
-#TODO(dbort): add a template to do this stuff; share with jx
-
 # the hat script
 # ============================================================
 include $(CLEAR_VARS)
 LOCAL_IS_HOST_MODULE := true
 LOCAL_MODULE_CLASS := EXECUTABLES
 LOCAL_MODULE := apicheck
-
-include $(BUILD_SYSTEM)/base_rules.mk
-
-$(LOCAL_BUILT_MODULE): $(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/etc/apicheck | $(ACP)
-	@echo "Copy: $(PRIVATE_MODULE) ($@)"
-	$(copy-file-to-new-target)
-	$(hide) chmod 755 $@
+LOCAL_SRC_FILES := etc/apicheck
+LOCAL_REQUIRED_MODULES := doclava
+include $(BUILD_PREBUILT)
 
 # Apicheck is now part of Doclava -- See external/doclava.
 endif
diff --git a/tools/atree/Android.mk b/tools/atree/Android.mk
index d895810f3..f598db588 100644
--- a/tools/atree/Android.mk
+++ b/tools/atree/Android.mk
@@ -12,7 +12,6 @@ LOCAL_SRC_FILES := \
 
 LOCAL_STATIC_LIBRARIES := \
 	libhost
-LOCAL_C_INCLUDES := build/libs/host/include
 
 LOCAL_MODULE := atree
 
diff --git a/tools/atree/files.cpp b/tools/atree/files.cpp
index df3e98742..d945f589c 100644
--- a/tools/atree/files.cpp
+++ b/tools/atree/files.cpp
@@ -447,14 +447,7 @@ list_dir(const string& path, const FileRecord& rec,
             continue;
         }
         string entry = path_append(path, ent->d_name);
-#ifdef HAVE_DIRENT_D_TYPE
-		bool is_directory = (ent->d_type == DT_DIR);
-#else
-	    // If dirent.d_type is missing, then use stat instead
-		struct stat stat_buf;
-		stat(entry.c_str(), &stat_buf);
-		bool is_directory = S_ISDIR(stat_buf.st_mode);
-#endif
+        bool is_directory = (ent->d_type == DT_DIR);
         add_more(entry, is_directory, rec, more);
         if (is_directory) {
             dirs.push_back(entry);
diff --git a/tools/atree/fs.cpp b/tools/atree/fs.cpp
index 9468cfd9b..6cd080e87 100644
--- a/tools/atree/fs.cpp
+++ b/tools/atree/fs.cpp
@@ -63,14 +63,7 @@ remove_recursively(const string& path)
             string full = path;
             full += '/';
             full += ent->d_name;
-#ifdef HAVE_DIRENT_D_TYPE
             bool is_directory = (ent->d_type == DT_DIR);
-#else
-            // If dirent.d_type is missing, then use stat instead
-            struct stat stat_buf;
-            stat(full.c_str(), &stat_buf);
-            bool is_directory = S_ISDIR(stat_buf.st_mode);
-#endif
             if (is_directory) {
                 dirs.push_back(full);
             } else {
diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index a80b2db47..43c8e9d41 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -7,16 +7,25 @@ echo "ro.build.id=$BUILD_ID"
 echo "ro.build.display.id=$BUILD_DISPLAY_ID"
 echo "ro.build.version.incremental=$BUILD_NUMBER"
 echo "ro.build.version.sdk=$PLATFORM_SDK_VERSION"
+echo "ro.build.version.preview_sdk=$PLATFORM_PREVIEW_SDK_VERSION"
 echo "ro.build.version.codename=$PLATFORM_VERSION_CODENAME"
 echo "ro.build.version.all_codenames=$PLATFORM_VERSION_ALL_CODENAMES"
 echo "ro.build.version.release=$PLATFORM_VERSION"
-echo "ro.build.date=`date`"
-echo "ro.build.date.utc=`date +%s`"
+echo "ro.build.version.security_patch=$PLATFORM_SECURITY_PATCH"
+echo "ro.build.version.base_os=$PLATFORM_BASE_OS"
+echo "ro.build.date=`$DATE`"
+echo "ro.build.date.utc=`$DATE +%s`"
 echo "ro.build.type=$TARGET_BUILD_TYPE"
 echo "ro.build.user=$USER"
 echo "ro.build.host=`hostname`"
 echo "ro.build.tags=$BUILD_VERSION_TAGS"
 echo "ro.build.flavor=$TARGET_BUILD_FLAVOR"
+if [ -n "$BOARD_BUILD_SYSTEM_ROOT_IMAGE" ] ; then
+  echo "ro.build.system_root_image=$BOARD_BUILD_SYSTEM_ROOT_IMAGE"
+fi
+if [ -n "$AB_OTA_UPDATER" ] ; then
+  echo "ro.build.ab_update=$AB_OTA_UPDATER"
+fi
 echo "ro.product.model=$PRODUCT_MODEL"
 echo "ro.product.brand=$PRODUCT_BRAND"
 echo "ro.product.name=$PRODUCT_NAME"
@@ -36,11 +45,8 @@ echo "ro.product.cpu.abilist32=$TARGET_CPU_ABI_LIST_32_BIT"
 echo "ro.product.cpu.abilist64=$TARGET_CPU_ABI_LIST_64_BIT"
 
 echo "ro.product.manufacturer=$PRODUCT_MANUFACTURER"
-if [ -n "$PRODUCT_DEFAULT_LANGUAGE" ] ; then
-  echo "ro.product.locale.language=$PRODUCT_DEFAULT_LANGUAGE"
-fi
-if [ -n "$PRODUCT_DEFAULT_REGION" ] ; then
-  echo "ro.product.locale.region=$PRODUCT_DEFAULT_REGION"
+if [ -n "$PRODUCT_DEFAULT_LOCALE" ] ; then
+  echo "ro.product.locale=$PRODUCT_DEFAULT_LOCALE"
 fi
 echo "ro.wifi.channels=$PRODUCT_DEFAULT_WIFI_CHANNELS"
 echo "ro.board.platform=$TARGET_BOARD_PLATFORM"
@@ -56,4 +62,6 @@ if [ -n "$BUILD_THUMBPRINT" ] ; then
 fi
 echo "ro.build.characteristics=$TARGET_AAPT_CHARACTERISTICS"
 
+echo "ro.cm.device=$CM_DEVICE"
+
 echo "# end build properties"
diff --git a/tools/check_prereq/check_prereq.c b/tools/check_prereq/check_prereq.c
deleted file mode 100644
index d7b8918fc..000000000
--- a/tools/check_prereq/check_prereq.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/system_properties.h>
-#include <cutils/properties.h>
-
-// Compare the timestamp of the new build (passed on the command line)
-// against the current value of ro.build.date.utc.  Exit successfully
-// if the new build is newer than the current build (or if the
-// timestamps are the same).
-int main(int argc, char** argv) {
-  if (argc != 2) {
- usage:
-    fprintf(stderr, "usage: %s <timestamp>\n", argv[0]);
-    return 2;
-  }
-
-  char value[PROPERTY_VALUE_MAX];
-  char* default_value = "0";
-
-  property_get("ro.build.date.utc", value, default_value);
-
-  long current = strtol(value, NULL, 10);
-  char* end;
-  long install = strtol(argv[1], &end, 10);
-
-  printf("current build time: [%ld]  new build time: [%ld]\n",
-         current, install);
-
-  return (*end == 0 && current > 0 && install >= current) ? 0 : 1;
-}
diff --git a/tools/droiddoc/templates-ds/assets/android-developer-core.css b/tools/droiddoc/templates-ds/assets/android-developer-core.css
deleted file mode 100644
index f548a6cbd..000000000
--- a/tools/droiddoc/templates-ds/assets/android-developer-core.css
+++ /dev/null
@@ -1,1197 +0,0 @@
-/* file: android-developer-core.css
-   author: smain
-   date: september 2008
-   info: core developer styles (developer.android.com)
-*/
-
-
-/* RESET STYLES */
-
-html,body,div,h1,h2,h3,h4,h5,h6,p,img,
-dl,dt,dd,ol,ul,li,table,caption,tbody,
-tfoot,thead,tr,th,td,form,fieldset,
-embed,object,applet {
-  margin: 0;
-  padding: 0;
-  border: 0;
-}
-
-/* BASICS */
-
-html, body {
-  overflow:hidden; /* keeps scrollbar off IE */
-  background-color:#fff;
-}
-
-body {
-  font-family:arial,sans-serif;
-  color:#000;
-  font-size:13px;
-  color:#333;
-  background-image:url(images/bg_fade.jpg);
-  background-repeat:repeat-x;
-}
-
-a, a code {
-  color:#006699;
-}
-
-a:active,
-a:active code {
-  color:#f00;
-} 
-
-a:visited,
-a:visited code {
-  color:#006699;
-}
-
-input, select,
-textarea, option, label {
-  font-family:inherit;
-  font-size:inherit;
-  padding:0;
-  margin:0;
-  vertical-align:middle;
-}
-
-option {
-  padding:0 4px;
-}
-
-p, form {
-  padding:0;
-  margin:0 0 1em;
-}
-
-code, pre {
-  color:#007000;
-  font-family:monospace;
-  line-height:1em;
-}
-
-var {
-  color:#007000;
-  font-style:italic;
-}
-
-pre {
-  border:1px solid #ccc;
-  background-color:#fafafa;
-  padding:10px;
-  margin:0 0 1em 1em;
-  overflow:auto;
-  line-height:inherit; /* fixes vertical scrolling in webkit */
-}
-
-h1,h2,h3,h4,h5 {
-  margin:1em 0;
-  padding:0;
-}
-
-p,ul,ol,dl,dd,dt,li {
-  line-height:1.3em;
-}
-
-ul,ol {
-  margin:0 0 .8em;
-  padding:0 0 0 2em;
-}
-
-li {
-  padding:0 0 .5em;
-}
-
-dl {
-  margin:0 0 1em 0;
-  padding:0;
-}
-
-dt {
-  margin:0;
-  padding:0;
-}
-
-dd {
-  margin:0 0 1em;
-  padding:0 0 0 2em;
-}
-
-li p {
-  margin:.5em 0 0;
-}
-
-dd p {
-  margin:1em 0 0;
-}
-
-li pre, li table, li img {
-  margin:.5em 0 0 1em;
-}
-
-dd pre,
-#jd-content dd table,
-#jd-content dd img {
-  margin:1em 0 0 1em;
-}
-
-li ul,
-li ol,
-dd ul,
-dd ol {
-  margin:0;
-  padding: 0 0 0 2em;
-}
-
-li li,
-dd li {
-  margin:0;
-  padding:.5em 0 0;
-}
-
-dl dl,
-ol dl,
-ul dl {
-  margin:0 0 1em;
-  padding:0;
-}
-
-table {
-  font-size:1em;
-  margin:0 0 1em;
-  padding:0;
-  border-collapse:collapse;
-  border-width:0;
-  empty-cells:show;
-}
-
-td,th {
-  border:1px solid #ccc;
-  padding:6px 12px;
-  text-align:left;
-  vertical-align:top;
-  background-color:inherit;
-}
-
-th {
-  background-color:#dee8f1;
-}
-
-td > p:last-child {
-  margin:0;
-}
-
-hr.blue {
-  background-color:#DDF0F2;
-  border:none;
-  height:5px;
-  margin:20px 0 10px;
-}
-
-blockquote {
-  margin: 0 0 1em 1em;
-  padding: 0 4em 0 1em;
-  border-left:2px solid #eee;
-}
-/* LAYOUT */
-
-#body-content {
-  /* "Preliminary" watermark for preview releases and interim builds.
-  background:transparent url(images/preliminary.png) repeat scroll 0 0; */
-  margin:0;
-  position:relative;
-  width:100%;
-}
-
-#header {
-  height: 114px;
-  position:relative;
-  z-index:100;
-  min-width:675px; /* min width for the tabs, before they wrap */
-  padding:0 10px;
-  border-bottom:3px solid #94b922;
-}
-
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diff --git a/tools/droiddoc/templates-ds/assets/android-developer-docs.css b/tools/droiddoc/templates-ds/assets/android-developer-docs.css
deleted file mode 100644
index b8b9c71ca..000000000
--- a/tools/droiddoc/templates-ds/assets/android-developer-docs.css
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diff --git a/tools/droiddoc/templates-ds/assets/css/default.css b/tools/droiddoc/templates-ds/assets/css/default.css
deleted file mode 100644
index 5bd95a8dc..000000000
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-.vspace.size-9 {
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-.vspace.size-15 {
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-.vspace.size-16 {
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-  /* sublinks */ }
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-    margin:0;
-    padding:0;
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-  #nav a {
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-.new,
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-.content-footer {
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-.content-footer .col-9 {
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-    .paging-links .prev-page-link:before,
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-      
-  .training-nav-top a {
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-  
-  /* list of classes on course landing page */
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-  ol.class-list>li {
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-  ol.class-list li a.title:hover {
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-  ol.class-list li a.title:hover span {
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-  #jd-content
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-    clear:left;
-    width:64px;
-    margin:0 20px 0 0;
-  }
-  ol.class-list li p.description {
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-    display:block;
-    width:250px;
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-  ol.class-list li p.description.article {
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-  ol.class-list ol {
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-    margin:0 0 0 20px;
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-  ol.class-list div.lessons li {
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-  
-  .hide {
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-  .content-footer.next-class {
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-  
-  .content-footer.next-class a.next-class-link {
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-  
-  
-  
-  /* inner-doc tabs w/ title */
-  
-div#title-tabs-wrapper {
-  border-bottom:1px solid #ccc;
-  margin:20px 0 30px;
-}
-h1.with-title-tabs {
-  display:inline-block;
-  margin:0 0 -1px 0;
-  padding:0 60px 0 0;
-  border-bottom:1px solid #F9F9F9;
-}
-ul#title-tabs {
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-  height:29px;
-  margin:0;
-  font-size:16px;
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-  display:inline-block;
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-ul#title-tabs li {
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-ul#title-tabs li.selected {
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-ul#title-tabs li a {
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-ul#title-tabs li a:hover,
-ul#title-tabs li a:active {
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-
-
-/* content body */
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-  to {
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-@-moz-keyframes glowheader {
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-  to {
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-    border-bottom-color: #33b5e5; } }
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-@keyframes glowheader {
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-    border-bottom-color: #000; }
-
-  to {
-    background-color: transparent;
-    color: #33b5e5;
-    border-bottom-color: #33b5e5; } }
-
-h2:target,
-h3:target {
-    -webkit-animation-name: glowheader;
-    -moz-animation-name: glowheader;
-    animation-name: glowheader;
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-    -moz-animation-duration: 0.7s;
-    animation-duration: 0.7s;
-    -webkit-animation-timing-function: ease-out;
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-.design ol h4 {
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-.design ol {
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-    .design ol>li:before {
-      content: counter(item) ". ";
-      counter-increment: item;
-      position: absolute;
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-    .design ol li.value-1:before {
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-    .design ol li.value-3:before {
-      content: "3. "; }
-    .design ol li.value-4:before {
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-    .design ol li.value-5:before {
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-    .design ol li.value-6:before {
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-    .design ol li.value-7:before {
-      content: "7. "; }
-    .design ol li.value-8:before {
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-    .design ol li.value-9:before {
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-    .design ol li.value-10:before {
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-.design .with-callouts ol>li {
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-  margin-left: 0; }
-  .design .with-callouts ol>li:before {
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-    float: left;
-    width: 17px;
-    color: #33b5e5;
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-.design .with-callouts ul>li {
-  list-style-position: outside; }
-
-/* special list items */
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-li.no-bullet *{
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-.design li.with-icon {
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-  margin-left: 20px;
-  min-height: 30px; }
-  .design li.with-icon p {
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-  .design li.with-icon:before {
-    position: absolute;
-    left: -40px;
-    top: 0;
-    content: '';
-    width: 30px;
-    height: 30px; }
-  .design li.with-icon.tablet:before {
-    background-image: url(../images/styles/ico_phone_tablet.png); }
-  .design li.with-icon.web:before {
-    background-image: url(../images/styles/ico_web.png); }
-  .design li.with-icon.action:before {
-    background-image: url(../images/styles/ico_action.png); }
-  .design li.with-icon.use:before {
-    background-image: url(../images/styles/ico_use.png); }
-
-/* figures and callouts */
-.figure {
-  position: relative; }
-  .figure.pad-below {
-    margin-bottom: 20px; }
-  .figure .figure-callout {
-    position: absolute;
-    color: #fff;
-    font-weight: 500;
-    font-size: 16px;
-    line-height: 23px;
-    text-align: center;
-    background: transparent url(../images/styles/callout.png) no-repeat scroll 50% 50%;
-    padding-right: 2px;
-    width: 30px;
-    height: 29px;
-    z-index: 1000; }
-    .figure .figure-callout.top {
-      top: -9px; }
-    .figure .figure-callout.right {
-      right: -5px; }
-
-.figure-caption {
-  margin: 0 10px 20px 0;
-  font-size: 14px;
-  line-height: 20px;
-  font-style: italic; }
-
-/* rows of figures */
-.figure-row {
-  font-size: 0;
-  line-height: 0;
-  /* to prevent space between figures */ }
-  .figure-row .figure {
-    display: inline-block;
-    vertical-align: top; }
-  .figure-row .figure + .figure {
-    margin-left: 10px;
-    /* reintroduce space between figures */ }
-
-/* video  containers */
-.framed-galaxynexus-land-span-13 {
-  background: transparent url(../images/styles/device_galaxynexus_blank_land_span13.png) no-repeat
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-  padding: 42px 122px 62px 126px;
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-.framed-galaxynexus-land-span-8{
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-.framed-galaxynexus-port-span-9 {
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-.framed-galaxynexus-port-span-5 {
-  background: transparent url(../images/styles/device_galaxynexus_blank_port_span5.png) no-repeat
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-  padding: 75px 31px 76px 33px;
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-.framed-galaxynexus-port-span-5 img {
-    width: 216px;
-    height: 384px; }
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-/* landing page disclosures */
-.landing-page-link {
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-  font-weight: 500;
-  color: #333333; }
-  .landing-page-link:after {
-    content: '';
-    background: transparent url(../images/styles/disclosure_right.png) no-repeat scroll 50% 50%;
-    width: 10px;
-    height: 10px;
-    display: inline-block;
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-/* tooltips */
-.tooltip-box {
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-  border-radius: 2px;
-  font-size: 14px;
-  line-height: 20px;
-  color: #fff;
-  padding: 6px 10px;
-  max-width: 250px;
-  z-index: 10000; }
-  .tooltip-box.below:after {
-    position: absolute;
-    content: '';
-    line-height: 0;
-    display: block;
-    top: -10px;
-    left: 5px;
-    border: 5px solid transparent;
-    border-bottom-color: rgba(0, 0, 0, 0.9); }
-
-/* video note */
-.video-instructions {
-  margin-top: 10px;
-  margin-bottom: 10px; }
-  .video-instructions:before {
-    content: '';
-    background: transparent url(../images/styles/ico_movie_inline.png) no-repeat scroll top left;
-    display: inline-block;
-    width: 12px;
-    height: 12px;
-    margin-right: 8px; }
-  .video-instructions:after {
-    content: 'Click device screen to replay movie.'; }
-
-/* download buttons */
-.download-button {
-  display: block;
-  margin-bottom: 5px;
-  text-decoration: none;
-  background-color: #33b5e5;
-  color: #fff !important;
-  font-weight: 500;
-  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.12);
-  padding: 6px 12px;
-  border-radius: 2px; }
-  .download-button:hover, .download-button:focus {
-    background-color: #0099cc;
-    color: #fff !important; }
-  .download-button:active {
-    background-color: #006699; }
-
-/* UI tables and other things found in Writing style and Settings pattern */
-.ui-table {
-  width: 100%;
-  background-color: #282828;
-  color: #fff;
-  border-radius: 2px;
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
-  border-collapse: separate; }
-  .ui-table th,
-  .ui-table td {
-    padding: 5px 10px;
-    background-color: inherit; 
-    border:0;}
-  .ui-table thead th {
-    font-weight: bold; }
-  .ui-table tfoot td {
-    border-top: 1px solid #494949;
-    border-right: 1px solid #494949;
-    text-align: center; }
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-.layout-with-list-item-margins {
-  margin-left: 30px !important; }
-
-.emulate-content-left-padding {
-  margin-left: 10px; }
-
-.do-dont-label {
-  margin-bottom: 10px;
-  padding-left: 20px;
-  background: transparent none no-repeat scroll 0px 3px; }
-  .do-dont-label.bad {
-    background-image: url(../images/styles/ico_wrong.png); }
-  .do-dont-label.good {
-    background-image: url(../images/styles/ico_good.png); }
-    
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/***** PREVIOUSLY style.css ******************/
-
-
-
-
-
-@media screen, projection, print {
-[dir='rtl'] {
-    direction: rtl;
-}
-html {
-    line-height: 20px;
-}
-pre, table, input, textarea, code {
-    font-size: 1em;
-}
-address, abbr, cite {
-    font-style: normal;
-}
-[dir='rtl'] th {
-    text-align: right;
-}
-html[lang^=ja] blockquote, html[lang^=ja] q, html[lang^=ko] blockquote, html[lang^=ko] q,
-html[lang^=zh] blockquote, html[lang^=zh] q {
-    font-style: normal;
-}
-q {
-    font-style: italic;
-}
-fieldset, iframe, img {
-    border: 0;
-}
-img { 
-	-ms-interpolation-mode: bicubic;
-	vertical-align: middle;
-	max-width: 100%;
-}
-q {
-    quotes: none;
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-.search {
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-/* SEARCH AND MORE */
-.search {
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-
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-
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-/************ DEVELOP HOMEPAGE ******************/
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-/* Slideshow */
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-.marquee {
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-.distribute-features ul li.last {
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-/************ DEVELOP TOPIC CONTAINERS ************/
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-.landing-banner,
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-.landing-banner div:first-child,
-.landing-docs div:first-child,
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diff --git a/tools/droiddoc/templates-ds/assets/js/docs.js b/tools/droiddoc/templates-ds/assets/js/docs.js
deleted file mode 100644
index 557a242cd..000000000
--- a/tools/droiddoc/templates-ds/assets/js/docs.js
+++ /dev/null
@@ -1,2433 +0,0 @@
-var classesNav;
-var devdocNav;
-var sidenav;
-var cookie_namespace = 'android_developer';
-var NAV_PREF_TREE = "tree";
-var NAV_PREF_PANELS = "panels";
-var nav_pref;
-var isMobile = false; // true if mobile, so we can adjust some layout
-
-var basePath = getBaseUri(location.pathname);
-var SITE_ROOT = toRoot + basePath.substring(1,basePath.indexOf("/",1));
-  
-
-/******  ON LOAD SET UP STUFF *********/
-
-var navBarIsFixed = false;
-$(document).ready(function() {
-  if (devsite) {
-    // move the lang selector into the overflow menu
-    $("#moremenu .mid div.header:last").after($("#language").detach());
-  }
-
-  // init the fullscreen toggle click event
-  $('#nav-swap .fullscreen').click(function(){
-    if ($(this).hasClass('disabled')) {
-      toggleFullscreen(true);
-    } else {
-      toggleFullscreen(false);
-    }
-  });
-  
-  // initialize the divs with custom scrollbars
-  $('.scroll-pane').jScrollPane( {verticalGutter:0} );
-  
-  // add HRs below all H2s (except for a few other h2 variants)
-  $('h2').not('#qv h2').not('#tb h2').not('.sidebox h2').not('#devdoc-nav h2').not('h2.norule').css({marginBottom:0}).after('<hr/>');
-  
-  // set search's onkeyup handler here so we can show suggestions 
-  // even while search results are visible
-  $("#search_autocomplete").keyup(function() {return search_changed(event, false, toRoot)});
-
-  // set up the search close button
-  $('.search .close').click(function() {
-    $searchInput = $('#search_autocomplete');
-    $searchInput.attr('value', '');
-    $(this).addClass("hide");
-    $("#search-container").removeClass('active');
-    $("#search_autocomplete").blur();
-    search_focus_changed($searchInput.get(), false);  // see search_autocomplete.js
-    hideResults();  // see search_autocomplete.js
-  });
-  $('.search').click(function() {
-    if (!$('#search_autocomplete').is(":focused")) {
-        $('#search_autocomplete').focus();
-    }
-  });
-
-  // Set up quicknav
-  var quicknav_open = false;  
-  $("#btn-quicknav").click(function() {
-    if (quicknav_open) {
-      $(this).removeClass('active');
-      quicknav_open = false;
-      collapse();
-    } else {
-      $(this).addClass('active');
-      quicknav_open = true;
-      expand();
-    }
-  })
-  
-  var expand = function() {
-   $('#header-wrap').addClass('quicknav');
-   $('#quicknav').stop().show().animate({opacity:'1'});
-  }
-  
-  var collapse = function() {
-    $('#quicknav').stop().animate({opacity:'0'}, 100, function() {
-      $(this).hide();
-      $('#header-wrap').removeClass('quicknav');
-    });
-  }
-  
-  
-  //Set up search
-  $("#search_autocomplete").focus(function() {
-    $("#search-container").addClass('active');
-  })
-  $("#search-container").mouseover(function() {
-    $("#search-container").addClass('active');
-    $("#search_autocomplete").focus();
-  })
-  $("#search-container").mouseout(function() {
-    if ($("#search_autocomplete").is(":focus")) return;
-    if ($("#search_autocomplete").val() == '') {
-      setTimeout(function(){
-        $("#search-container").removeClass('active');
-        $("#search_autocomplete").blur();
-      },250);
-    }
-  })
-  $("#search_autocomplete").blur(function() {
-    if ($("#search_autocomplete").val() == '') {
-      $("#search-container").removeClass('active');
-    }
-  })
-
-    
-  // prep nav expandos
-  var pagePath = document.location.pathname;
-  // account for intl docs by removing the intl/*/ path
-  if (pagePath.indexOf("/intl/") == 0) {
-    pagePath = pagePath.substr(pagePath.indexOf("/",6)); // start after intl/ to get last /
-  }
-  
-  if (pagePath.indexOf(SITE_ROOT) == 0) {
-    if (pagePath == '' || pagePath.charAt(pagePath.length - 1) == '/') {
-      pagePath += 'index.html';
-    }
-  }
-
-  if (SITE_ROOT.match(/\.\.\//) || SITE_ROOT == '') {
-    // If running locally, SITE_ROOT will be a relative path, so account for that by
-    // finding the relative URL to this page. This will allow us to find links on the page
-    // leading back to this page.
-    var pathParts = pagePath.split('/');
-    var relativePagePathParts = [];
-    var upDirs = (SITE_ROOT.match(/(\.\.\/)+/) || [''])[0].length / 3;
-    for (var i = 0; i < upDirs; i++) {
-      relativePagePathParts.push('..');
-    }
-    for (var i = 0; i < upDirs; i++) {
-      relativePagePathParts.push(pathParts[pathParts.length - (upDirs - i) - 1]);
-    }
-    relativePagePathParts.push(pathParts[pathParts.length - 1]);
-    pagePath = relativePagePathParts.join('/');
-  } else {
-    // Otherwise the page path is already an absolute URL
-  }
-
-  // select current page in sidenav and set up prev/next links if they exist
-  var $selNavLink = $('#nav').find('a[href="' + pagePath + '"]');
-  var $selListItem;
-  if ($selNavLink.length) {
-    $selListItem = $selNavLink.closest('li');
-
-    $selListItem.addClass('selected');
-    
-    // Traverse up the tree and expand all parent nav-sections
-    $selNavLink.parents('li.nav-section').each(function() {
-      $(this).addClass('expanded');
-      $(this).children('ul').show();
-    });
-    
-
-    // set up prev links
-    var $prevLink = [];
-    var $prevListItem = $selListItem.prev('li');
-    
-    var crossBoundaries = ($("body.design").length > 0) || ($("body.guide").length > 0) ? true :
-false; // navigate across topic boundaries only in design docs
-    if ($prevListItem.length) {
-      if ($prevListItem.hasClass('nav-section')) {
-        // jump to last topic of previous section
-        $prevLink = $prevListItem.find('a:last');
-      } else if (!$selListItem.hasClass('nav-section')) {
-        // jump to previous topic in this section
-        $prevLink = $prevListItem.find('a:eq(0)');
-      }
-    } else {
-      // jump to this section's index page (if it exists)
-      var $parentListItem = $selListItem.parents('li');
-      $prevLink = $selListItem.parents('li').find('a');
-      
-      // except if cross boundaries aren't allowed, and we're at the top of a section already
-      // (and there's another parent)
-      if (!crossBoundaries && $parentListItem.hasClass('nav-section') 
-                           && $selListItem.hasClass('nav-section')) {
-        $prevLink = [];
-      }
-    }
-
-    // set up next links
-    var $nextLink = [];
-    var startClass = false;
-    var training = $(".next-class-link").length; // decides whether to provide "next class" link
-    var isCrossingBoundary = false;
-    
-    if ($selListItem.hasClass('nav-section')) {
-      // we're on an index page, jump to the first topic
-      $nextLink = $selListItem.find('ul:eq(0)').find('a:eq(0)');
-
-      // if there aren't any children, go to the next section (required for About pages)
-      if($nextLink.length == 0) {
-        $nextLink = $selListItem.next('li').find('a');
-      } else if ($('.topic-start-link').length) {
-        // as long as there's a child link and there is a "topic start link" (we're on a landing)
-        // then set the landing page "start link" text to be the first doc title
-        $('.topic-start-link').text($nextLink.text().toUpperCase());
-      }
-      
-      // If the selected page has a description, then it's a class or article homepage
-      if ($selListItem.find('a[description]').length) {
-        // this means we're on a class landing page
-        startClass = true;
-      }
-    } else {
-      // jump to the next topic in this section (if it exists)
-      $nextLink = $selListItem.next('li').find('a:eq(0)');
-      if (!$nextLink.length) {
-        isCrossingBoundary = true;
-        // no more topics in this section, jump to the first topic in the next section
-        $nextLink = $selListItem.parents('li:eq(0)').next('li.nav-section').find('a:eq(0)');
-        if (!$nextLink.length) {  // Go up another layer to look for next page (lesson > class > course)
-          $nextLink = $selListItem.parents('li:eq(1)').next('li.nav-section').find('a:eq(0)');
-        }
-      }
-    }
-
-    if (startClass) {
-      $('.start-class-link').attr('href', $nextLink.attr('href')).removeClass("hide");
-
-      // if there's no training bar (below the start button), 
-      // then we need to add a bottom border to button
-      if (!$("#tb").length) {
-        $('.start-class-link').css({'border-bottom':'1px solid #DADADA'});
-      }
-    } else if (isCrossingBoundary && !$('body.design').length) {  // Design always crosses boundaries
-      $('.content-footer.next-class').show();
-      $('.next-page-link').attr('href','')
-                          .removeClass("hide").addClass("disabled")
-                          .click(function() { return false; });
-     
-      $('.next-class-link').attr('href',$nextLink.attr('href'))
-                          .removeClass("hide").append($nextLink.html());
-      $('.next-class-link').find('.new').empty();
-    } else {
-      $('.next-page-link').attr('href', $nextLink.attr('href')).removeClass("hide");
-    }
-
-    if (!startClass && $prevLink.length) {
-      var prevHref = $prevLink.attr('href');
-      if (prevHref == SITE_ROOT + 'index.html') {
-        // Don't show Previous when it leads to the homepage
-      } else {
-        $('.prev-page-link').attr('href', $prevLink.attr('href')).removeClass("hide");
-      }
-    } 
-
-    // If this is a training 'article', there should be no prev/next nav
-    // ... if the grandparent is the "nav" ... and it has no child list items...
-    if (training && $selListItem.parents('ul').eq(1).is('[id="nav"]') &&
-        !$selListItem.find('li').length) {
-      $('.next-page-link,.prev-page-link').attr('href','').addClass("disabled")
-                          .click(function() { return false; });
-    }
-    
-  }
-  
-  
-  
-  // Set up the course landing pages for Training with class names and descriptions
-  if ($('body.trainingcourse').length) {
-    var $classLinks = $selListItem.find('ul li a').not('#nav .nav-section .nav-section ul a');
-    var $classDescriptions = $classLinks.attr('description');
-    
-    var $olClasses  = $('<ol class="class-list"></ol>');
-    var $liClass;
-    var $imgIcon;
-    var $h2Title;
-    var $pSummary;
-    var $olLessons;
-    var $liLesson;
-    $classLinks.each(function(index) {
-      $liClass  = $('<li></li>');
-      $h2Title  = $('<a class="title" href="'+$(this).attr('href')+'"><h2>' + $(this).html()+'</h2><span></span></a>');
-      $pSummary = $('<p class="description">' + $(this).attr('description') + '</p>');
-      
-      $olLessons  = $('<ol class="lesson-list"></ol>');
-      
-      $lessons = $(this).closest('li').find('ul li a');
-      
-      if ($lessons.length) {
-        $imgIcon = $('<img src="'+toRoot+'assets/images/resource-tutorial.png" alt=""/>');
-        $lessons.each(function(index) {
-          $olLessons.append('<li><a href="'+$(this).attr('href')+'">' + $(this).html()+'</a></li>');
-        });
-      } else {
-        $imgIcon = $('<img src="'+toRoot+'assets/images/resource-article.png" alt=""/>');
-        $pSummary.addClass('article');
-      }
-
-      $liClass.append($h2Title).append($imgIcon).append($pSummary).append($olLessons);
-      $olClasses.append($liClass);
-    });
-    $('.jd-descr').append($olClasses);
-  }
-
-
-
-
-  // Set up expand/collapse behavior
-  $('#nav li.nav-section .nav-section-header').click(function() {
-    var section = $(this).closest('li.nav-section');
-    if (section.hasClass('expanded')) {
-    /* hide me */
-    //  if (section.hasClass('selected') || section.find('li').hasClass('selected')) {
-   //   /* but not if myself or my descendents are selected */
-   //     return;
-    //  }
-      section.children('ul').slideUp(250, function() {
-        section.closest('li').removeClass('expanded');
-        resizeNav();
-      });
-    } else {
-    /* show me */
-      // first hide all other siblings
-      var $others = $('li.nav-section.expanded', $(this).closest('ul'));
-      $others.removeClass('expanded').children('ul').slideUp(250);
-      
-      // now expand me
-      section.closest('li').addClass('expanded');
-      section.children('ul').slideDown(250, function() {
-        resizeNav();
-      });
-    }
-  });
-  
-  $(".scroll-pane").scroll(function(event) {
-      event.preventDefault();
-      return false;
-  });
-
-  /* Resize nav height when window height changes */
-  $(window).resize(function() {
-    if ($('#side-nav').length == 0) return;
-    var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
-    setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
-    // make sidenav behave when resizing the window and side-scolling is a concern
-    if (navBarIsFixed) {
-      if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
-        updateSideNavPosition();
-      } else {
-        updateSidenavFullscreenWidth();
-      }
-    }
-    resizeNav();
-  });
-
-
-  // Set up fixed navbar
-  var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
-  $(window).scroll(function(event) {
-    if ($('#side-nav').length == 0) return;
-    if (event.target.nodeName == "DIV") {
-      // Dump scroll event if the target is a DIV, because that means the event is coming
-      // from a scrollable div and so there's no need to make adjustments to our layout
-      return;
-    }
-    var scrollTop = $(window).scrollTop();    
-    var headerHeight = $('#header').outerHeight();
-    var subheaderHeight = $('#nav-x').outerHeight();
-    var searchResultHeight = $('#searchResults').is(":visible") ? 
-                             $('#searchResults').outerHeight() : 0;
-    var totalHeaderHeight = headerHeight + subheaderHeight + searchResultHeight;
-    // we set the navbar fixed when the scroll position is beyond the height of the site header...
-    var navBarShouldBeFixed = scrollTop > totalHeaderHeight;
-    // ... except if the document content is shorter than the sidenav height.
-    // (this is necessary to avoid crazy behavior on OSX Lion due to overscroll bouncing)
-    if ($("#doc-col").height() < $("#side-nav").height()) {
-      navBarShouldBeFixed = false;
-    }
-   
-    var scrollLeft = $(window).scrollLeft();
-    // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
-    if (navBarIsFixed && (scrollLeft != prevScrollLeft)) {
-      updateSideNavPosition();
-      prevScrollLeft = scrollLeft;
-    }
-    
-    // Don't continue if the header is sufficently far away 
-    // (to avoid intensive resizing that slows scrolling)
-    if (navBarIsFixed && navBarShouldBeFixed) {
-      return;
-    }
-    
-    if (navBarIsFixed != navBarShouldBeFixed) {
-      if (navBarShouldBeFixed) {
-        // make it fixed
-        var width = $('#devdoc-nav').width();
-        $('#devdoc-nav')
-            .addClass('fixed')
-            .css({'width':width+'px'})
-            .prependTo('#body-content');
-        // add neato "back to top" button
-        $('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
-        
-        // update the sidenaav position for side scrolling
-        updateSideNavPosition();
-      } else {
-        // make it static again
-        $('#devdoc-nav')
-            .removeClass('fixed')
-            .css({'width':'auto','margin':''})
-            .prependTo('#side-nav');
-        $('#devdoc-nav a.totop').hide();
-      }
-      navBarIsFixed = navBarShouldBeFixed;
-    } 
-    
-    resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance
-  });
-
-  
-  var navBarLeftPos;
-  if ($('#devdoc-nav').length) {
-    setNavBarLeftPos();
-  }
-
-
-  // Stop expand/collapse behavior when clicking on nav section links (since we're navigating away
-  // from the page)
-  $('.nav-section-header').find('a:eq(0)').click(function(evt) {
-    window.location.href = $(this).attr('href');
-    return false;
-  });
-
-  // Set up play-on-hover <video> tags.
-  $('video.play-on-hover').bind('click', function(){
-    $(this).get(0).load(); // in case the video isn't seekable
-    $(this).get(0).play();
-  });
-
-  // Set up tooltips
-  var TOOLTIP_MARGIN = 10;
-  $('acronym,.tooltip-link').each(function() {
-    var $target = $(this);
-    var $tooltip = $('<div>')
-        .addClass('tooltip-box')
-        .append($target.attr('title'))
-        .hide()
-        .appendTo('body');
-    $target.removeAttr('title');
-
-    $target.hover(function() {
-      // in
-      var targetRect = $target.offset();
-      targetRect.width = $target.width();
-      targetRect.height = $target.height();
-
-      $tooltip.css({
-        left: targetRect.left,
-        top: targetRect.top + targetRect.height + TOOLTIP_MARGIN
-      });
-      $tooltip.addClass('below');
-      $tooltip.show();
-    }, function() {
-      // out
-      $tooltip.hide();
-    });
-  });
-
-  // Set up <h2> deeplinks
-  $('h2').click(function() {
-    var id = $(this).attr('id');
-    if (id) {
-      document.location.hash = id;
-    }
-  });
-
-  //Loads the +1 button
-  var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
-  po.src = 'https://apis.google.com/js/plusone.js';
-  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
-
-
-  // Revise the sidenav widths to make room for the scrollbar 
-  // which avoids the visible width from changing each time the bar appears
-  var $sidenav = $("#side-nav");
-  var sidenav_width = parseInt($sidenav.innerWidth());
-    
-  $("#devdoc-nav  #nav").css("width", sidenav_width - 4 + "px"); // 4px is scrollbar width
-
-
-  $(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
-  
-  if ($(".scroll-pane").length > 1) {
-    // Check if there's a user preference for the panel heights
-    var cookieHeight = readCookie("reference_height");
-    if (cookieHeight) {
-      restoreHeight(cookieHeight);
-    }
-  }
-  
-  resizeNav();
-
-  /* init the language selector based on user cookie for lang */
-  loadLangPref();
-  changeNavLang(getLangPref());
-
-  /* setup event handlers to ensure the overflow menu is visible while picking lang */
-  $("#language select")
-      .mousedown(function() {
-        $("div.morehover").addClass("hover"); })
-      .blur(function() {
-        $("div.morehover").removeClass("hover"); });
-
-  /* some global variable setup */
-  resizePackagesNav = $("#resize-packages-nav");
-  classesNav = $("#classes-nav");
-  devdocNav = $("#devdoc-nav");
-
-  var cookiePath = "";
-  if (location.href.indexOf("/reference/") != -1) {
-    cookiePath = "reference_";
-  } else if (location.href.indexOf("/guide/") != -1) {
-    cookiePath = "guide_";
-  } else if (location.href.indexOf("/tools/") != -1) {
-    cookiePath = "tools_";
-  } else if (location.href.indexOf("/training/") != -1) {
-    cookiePath = "training_";
-  } else if (location.href.indexOf("/design/") != -1) {
-    cookiePath = "design_";
-  } else if (location.href.indexOf("/distribute/") != -1) {
-    cookiePath = "distribute_";
-  }
-
-});
-
-
-
-function toggleFullscreen(enable) {
-  var delay = 20;
-  var enabled = true;
-  var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
-  if (enable) {
-    // Currently NOT USING fullscreen; enable fullscreen
-    stylesheet.removeAttr('disabled');
-    $('#nav-swap .fullscreen').removeClass('disabled');
-    $('#devdoc-nav').css({left:''});
-    setTimeout(updateSidenavFullscreenWidth,delay); // need to wait a moment for css to switch
-    enabled = true;
-  } else {
-    // Currently USING fullscreen; disable fullscreen
-    stylesheet.attr('disabled', 'disabled');
-    $('#nav-swap .fullscreen').addClass('disabled');
-    setTimeout(updateSidenavFixedWidth,delay); // need to wait a moment for css to switch
-    enabled = false;
-  }
-  writeCookie("fullscreen", enabled, null, null);
-  setNavBarLeftPos();
-  resizeNav(delay);
-  updateSideNavPosition();
-  setTimeout(initSidenavHeightResize,delay);
-}
-
-
-function setNavBarLeftPos() {
-  navBarLeftPos = $('#body-content').offset().left;
-}
-
-
-function updateSideNavPosition() {
-  var newLeft = $(window).scrollLeft() - navBarLeftPos;
-  $('#devdoc-nav').css({left: -newLeft});
-  $('#devdoc-nav .totop').css({left: -(newLeft - parseInt($('#side-nav').css('margin-left')))});
-}
-  
-
-
-
-
-
-
-
-// TODO: use $(document).ready instead
-function addLoadEvent(newfun) {
-  var current = window.onload;
-  if (typeof window.onload != 'function') {
-    window.onload = newfun;
-  } else {
-    window.onload = function() {
-      current();
-      newfun();
-    }
-  }
-}
-
-var agent = navigator['userAgent'].toLowerCase();
-// If a mobile phone, set flag and do mobile setup
-if ((agent.indexOf("mobile") != -1) ||      // android, iphone, ipod
-    (agent.indexOf("blackberry") != -1) ||
-    (agent.indexOf("webos") != -1) ||
-    (agent.indexOf("mini") != -1)) {        // opera mini browsers
-  isMobile = true;
-}
-
-
-/* loads the lists.js file to the page.
-Loading this in the head was slowing page load time */
-addLoadEvent( function() {
-  var lists = document.createElement("script");
-  lists.setAttribute("type","text/javascript");
-  lists.setAttribute("src", toRoot+"reference/lists.js");
-  document.getElementsByTagName("head")[0].appendChild(lists);
-} );
-
-
-addLoadEvent( function() {
-  $("pre:not(.no-pretty-print)").addClass("prettyprint");
-  prettyPrint();
-} );
-
-
-
-
-/* ######### RESIZE THE SIDENAV HEIGHT ########## */
-
-function resizeNav(delay) {
-  var $nav = $("#devdoc-nav");
-  var $window = $(window);
-  var navHeight;
-  
-  // Get the height of entire window and the total header height.
-  // Then figure out based on scroll position whether the header is visible
-  var windowHeight = $window.height();
-  var scrollTop = $window.scrollTop();
-  var headerHeight = $('#header').outerHeight();
-  var subheaderHeight = $('#nav-x').outerHeight();
-  var headerVisible = (scrollTop < (headerHeight + subheaderHeight));
-  
-  // get the height of space between nav and top of window. 
-  // Could be either margin or top position, depending on whether the nav is fixed.
-  var topMargin = (parseInt($nav.css('margin-top')) || parseInt($nav.css('top'))) + 1; 
-  // add 1 for the #side-nav bottom margin
-  
-  // Depending on whether the header is visible, set the side nav's height.
-  if (headerVisible) {
-    // The sidenav height grows as the header goes off screen
-    navHeight = windowHeight - (headerHeight + subheaderHeight - scrollTop) - topMargin;
-  } else {
-    // Once header is off screen, the nav height is almost full window height
-    navHeight = windowHeight - topMargin;
-  }
-  
-  
-  
-  $scrollPanes = $(".scroll-pane");
-  if ($scrollPanes.length > 1) {
-    // subtract the height of the api level widget and nav swapper from the available nav height
-    navHeight -= ($('#api-nav-header').outerHeight(true) + $('#nav-swap').outerHeight(true));
-    
-    $("#swapper").css({height:navHeight + "px"});
-    if ($("#nav-tree").is(":visible")) {
-      $("#nav-tree").css({height:navHeight});
-    }
-    
-    var classesHeight = navHeight - parseInt($("#resize-packages-nav").css("height")) - 10 + "px"; 
-    //subtract 10px to account for drag bar
-    
-    // if the window becomes small enough to make the class panel height 0, 
-    // then the package panel should begin to shrink
-    if (parseInt(classesHeight) <= 0) {
-      $("#resize-packages-nav").css({height:navHeight - 10}); //subtract 10px for drag bar
-      $("#packages-nav").css({height:navHeight - 10});
-    }
-    
-    $("#classes-nav").css({'height':classesHeight, 'margin-top':'10px'});
-    $("#classes-nav .jspContainer").css({height:classesHeight});
-    
-    
-  } else {
-    $nav.height(navHeight);
-  }
-  
-  if (delay) {
-    updateFromResize = true;
-    delayedReInitScrollbars(delay);
-  } else {
-    reInitScrollbars();
-  }
-  
-}
-
-var updateScrollbars = false;
-var updateFromResize = false;
-
-/* Re-initialize the scrollbars to account for changed nav size.
- * This method postpones the actual update by a 1/4 second in order to optimize the
- * scroll performance while the header is still visible, because re-initializing the
- * scroll panes is an intensive process.
- */
-function delayedReInitScrollbars(delay) {
-  // If we're scheduled for an update, but have received another resize request
-  // before the scheduled resize has occured, just ignore the new request
-  // (and wait for the scheduled one).
-  if (updateScrollbars && updateFromResize) {
-    updateFromResize = false;
-    return;
-  }
-  
-  // We're scheduled for an update and the update request came from this method's setTimeout
-  if (updateScrollbars && !updateFromResize) {
-    reInitScrollbars();
-    updateScrollbars = false;
-  } else {
-    updateScrollbars = true;
-    updateFromResize = false;
-    setTimeout('delayedReInitScrollbars()',delay);
-  }
-}
-
-/* Re-initialize the scrollbars to account for changed nav size. */
-function reInitScrollbars() {
-  var pane = $(".scroll-pane").each(function(){
-    var api = $(this).data('jsp');
-    if (!api) { setTimeout(reInitScrollbars,300); return;}
-    api.reinitialise( {verticalGutter:0} );
-  });  
-  $(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
-}
-
-
-/* Resize the height of the nav panels in the reference,
- * and save the new size to a cookie */
-function saveNavPanels() {
-  var basePath = getBaseUri(location.pathname);
-  var section = basePath.substring(1,basePath.indexOf("/",1));
-  writeCookie("height", resizePackagesNav.css("height"), section, null);
-}
-
-
-
-function restoreHeight(packageHeight) {
-    $("#resize-packages-nav").height(packageHeight);
-    $("#packages-nav").height(packageHeight);
-  //  var classesHeight = navHeight - packageHeight;
- //   $("#classes-nav").css({height:classesHeight});
-  //  $("#classes-nav .jspContainer").css({height:classesHeight});
-}
-
-
-
-/* ######### END RESIZE THE SIDENAV HEIGHT ########## */
-
-
-
-
-
-/** Scroll the jScrollPane to make the currently selected item visible 
-    This is called when the page finished loading. */
-function scrollIntoView(nav) {
-  var $nav = $("#"+nav);
-  var element = $nav.jScrollPane({/* ...settings... */});
-  var api = element.data('jsp');
-
-  if ($nav.is(':visible')) {
-    var $selected = $(".selected", $nav);
-    if ($selected.length == 0) return;
-    
-    var selectedOffset = $selected.position().top;
-    if (selectedOffset + 90 > $nav.height()) {  // add 90 so that we scroll up even 
-                                                // if the current item is close to the bottom
-      api.scrollTo(0, selectedOffset - ($nav.height() / 4), false); // scroll the item into view
-                                                              // to be 1/4 of the way from the top
-    }
-  }
-}
-
-
-
-
-
-
-/* Show popup dialogs */
-function showDialog(id) {
-  $dialog = $("#"+id);
-  $dialog.prepend('<div class="box-border"><div class="top"> <div class="left"></div> <div class="right"></div></div><div class="bottom"> <div class="left"></div> <div class="right"></div> </div> </div>');
-  $dialog.wrapInner('<div/>');
-  $dialog.removeClass("hide");
-}
-
-
-
-
-
-/* #########    COOKIES!     ########## */
-
-function readCookie(cookie) {
-  var myCookie = cookie_namespace+"_"+cookie+"=";
-  if (document.cookie) {
-    var index = document.cookie.indexOf(myCookie);
-    if (index != -1) {
-      var valStart = index + myCookie.length;
-      var valEnd = document.cookie.indexOf(";", valStart);
-      if (valEnd == -1) {
-        valEnd = document.cookie.length;
-      }
-      var val = document.cookie.substring(valStart, valEnd);
-      return val;
-    }
-  }
-  return 0;
-}
-
-function writeCookie(cookie, val, section, expiration) {
-  if (val==undefined) return;
-  section = section == null ? "_" : "_"+section+"_";
-  if (expiration == null) {
-    var date = new Date();
-    date.setTime(date.getTime()+(10*365*24*60*60*1000)); // default expiration is one week
-    expiration = date.toGMTString();
-  }
-  var cookieValue = cookie_namespace + section + cookie + "=" + val 
-                    + "; expires=" + expiration+"; path=/";
-  document.cookie = cookieValue;
-}
-
-/* #########     END COOKIES!     ########## */
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/*
-
-REMEMBER THE PREVIOUS PAGE FOR EACH TAB
-
-function loadLast(cookiePath) {
-  var location = window.location.href;
-  if (location.indexOf("/"+cookiePath+"/") != -1) {
-    return true;
-  }
-  var lastPage = readCookie(cookiePath + "_lastpage");
-  if (lastPage) {
-    window.location = lastPage;
-    return false;
-  }
-  return true;
-}
-
-
-
-$(window).unload(function(){
-  var path = getBaseUri(location.pathname);
-  if (path.indexOf("/reference/") != -1) {
-    writeCookie("lastpage", path, "reference", null);
-  } else if (path.indexOf("/guide/") != -1) {
-    writeCookie("lastpage", path, "guide", null);
-  } else if ((path.indexOf("/resources/") != -1) || (path.indexOf("/training/") != -1)) {
-    writeCookie("lastpage", path, "resources", null);
-  }
-});
-
-*/
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-function toggle(obj, slide) {
-  var ul = $("ul:first", obj);
-  var li = ul.parent();
-  if (li.hasClass("closed")) {
-    if (slide) {
-      ul.slideDown("fast");
-    } else {
-      ul.show();
-    }
-    li.removeClass("closed");
-    li.addClass("open");
-    $(".toggle-img", li).attr("title", "hide pages");
-  } else {
-    ul.slideUp("fast");
-    li.removeClass("open");
-    li.addClass("closed");
-    $(".toggle-img", li).attr("title", "show pages");
-  }
-}
-
-
-
-
-
-function buildToggleLists() {
-  $(".toggle-list").each(
-    function(i) {
-      $("div:first", this).append("<a class='toggle-img' href='#' title='show pages' onClick='toggle(this.parentNode.parentNode, true); return false;'></a>");
-      $(this).addClass("closed");
-    });
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/*      REFERENCE NAV SWAP     */
-
-
-function getNavPref() {
-  var v = readCookie('reference_nav');
-  if (v != NAV_PREF_TREE) {
-    v = NAV_PREF_PANELS;
-  }
-  return v;
-}
-
-function chooseDefaultNav() {
-  nav_pref = getNavPref();
-  if (nav_pref == NAV_PREF_TREE) {
-    $("#nav-panels").toggle();
-    $("#panel-link").toggle();
-    $("#nav-tree").toggle();
-    $("#tree-link").toggle();
-  }
-}
-
-function swapNav() {
-  if (nav_pref == NAV_PREF_TREE) {
-    nav_pref = NAV_PREF_PANELS;
-  } else {
-    nav_pref = NAV_PREF_TREE;
-    init_default_navtree(toRoot);
-  }
-  var date = new Date();
-  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
-  writeCookie("nav", nav_pref, "reference", date.toGMTString());
-
-  $("#nav-panels").toggle();
-  $("#panel-link").toggle();
-  $("#nav-tree").toggle();
-  $("#tree-link").toggle();
-  
-  resizeNav();
-
-  // Gross nasty hack to make tree view show up upon first swap by setting height manually
-  $("#nav-tree .jspContainer:visible")
-      .css({'height':$("#nav-tree .jspContainer .jspPane").height() +'px'});
-  // Another nasty hack to make the scrollbar appear now that we have height
-  resizeNav();
-  
-  if ($("#nav-tree").is(':visible')) {
-    scrollIntoView("nav-tree");
-  } else {
-    scrollIntoView("packages-nav");
-    scrollIntoView("classes-nav");
-  }
-}
-
-
-
-/* ############################################ */
-/* ##########     LOCALIZATION     ############ */
-/* ############################################ */
-
-function getBaseUri(uri) {
-  var intlUrl = (uri.substring(0,6) == "/intl/");
-  if (intlUrl) {
-    base = uri.substring(uri.indexOf('intl/')+5,uri.length);
-    base = base.substring(base.indexOf('/')+1, base.length);
-      //alert("intl, returning base url: /" + base);
-    return ("/" + base);
-  } else {
-      //alert("not intl, returning uri as found.");
-    return uri;
-  }
-}
-
-function requestAppendHL(uri) {
-//append "?hl=<lang> to an outgoing request (such as to blog)
-  var lang = getLangPref();
-  if (lang) {
-    var q = 'hl=' + lang;
-    uri += '?' + q;
-    window.location = uri;
-    return false;
-  } else {
-    return true;
-  }
-}
-
-
-function changeNavLang(lang) {
-  var $links = $("#devdoc-nav,#header,#nav-x,.training-nav-top,.content-footer").find("a["+lang+"-lang]");
-  $links.each(function(i){ // for each link with a translation
-    var $link = $(this);
-    if (lang != "en") { // No need to worry about English, because a language change invokes new request
-      // put the desired language from the attribute as the text
-      $link.text($link.attr(lang+"-lang"))
-    }
-  });
-}
-
-function changeLangPref(lang, submit) {
-  var date = new Date();
-  expires = date.toGMTString(date.setTime(date.getTime()+(10*365*24*60*60*1000))); 
-  // keep this for 50 years
-  //alert("expires: " + expires)
-  writeCookie("pref_lang", lang, null, expires);
-
-  //  #######  TODO:  Remove this condition once we're stable on devsite #######
-  //  This condition is only needed if we still need to support legacy GAE server
-  if (devsite) {
-    // Switch language when on Devsite server
-    if (submit) {
-      $("#setlang").submit();
-    }
-  } else {
-    // Switch language when on legacy GAE server
-    changeDocLang(lang);
-    if (submit) {
-      window.location = getBaseUri(location.pathname);
-    }
-  }
-}
-
-function loadLangPref() {
-  var lang = readCookie("pref_lang");
-  if (lang != 0) {
-    $("#language").find("option[value='"+lang+"']").attr("selected",true);
-  }
-}
-
-function getLangPref() {
-  var lang = $("#language").find(":selected").attr("value");
-  if (!lang) {
-    lang = readCookie("pref_lang");
-  }
-  return (lang != 0) ? lang : 'en';
-}
-
-/* ##########     END LOCALIZATION     ############ */
-
-
-
-
-
-
-/* Used to hide and reveal supplemental content, such as long code samples.
-   See the companion CSS in android-developer-docs.css */
-function toggleContent(obj) {
-  var div = $(obj.parentNode.parentNode);
-  var toggleMe = $(".toggle-content-toggleme",div);
-  if (div.hasClass("closed")) { // if it's closed, open it
-    toggleMe.slideDown();
-    $(".toggle-content-text", obj).toggle();
-    div.removeClass("closed").addClass("open");
-    $(".toggle-content-img", div).attr("title", "hide").attr("src", toRoot 
-                  + "assets/images/triangle-opened.png");
-  } else { // if it's open, close it
-    toggleMe.slideUp('fast', function() {  // Wait until the animation is done before closing arrow
-      $(".toggle-content-text", obj).toggle();
-      div.removeClass("open").addClass("closed");
-      $(".toggle-content-img", div).attr("title", "show").attr("src", toRoot 
-                  + "assets/images/triangle-closed.png");
-    });
-  }
-  return false;
-}
-
-
-/* New version of expandable content */
-function toggleExpandable(link,id) {
-  if($(id).is(':visible')) {
-    $(id).slideUp();
-    $(link).removeClass('expanded');
-  } else {
-    $(id).slideDown();
-    $(link).addClass('expanded');
-  }
-}
-
-function hideExpandable(ids) {
-  $(ids).slideUp();
-  $(ids).prev('h4').find('a.expandable').removeClass('expanded');
-}
-
-
-
-
-
-/*    
- *  Slideshow 1.0
- *  Used on /index.html and /develop/index.html for carousel
- *
- *  Sample usage:
- *  HTML -
- *  <div class="slideshow-container">
- *   <a href="" class="slideshow-prev">Prev</a>
- *   <a href="" class="slideshow-next">Next</a>
- *   <ul>
- *       <li class="item"><img src="images/marquee1.jpg"></li>
- *       <li class="item"><img src="images/marquee2.jpg"></li>
- *       <li class="item"><img src="images/marquee3.jpg"></li>
- *       <li class="item"><img src="images/marquee4.jpg"></li>
- *   </ul>
- *  </div>
- *
- *   <script type="text/javascript">
- *   $('.slideshow-container').dacSlideshow({
- *       auto: true,
- *       btnPrev: '.slideshow-prev',
- *       btnNext: '.slideshow-next'
- *   });
- *   </script>
- *
- *  Options:
- *  btnPrev:    optional identifier for previous button
- *  btnNext:    optional identifier for next button
- *  btnPause:   optional identifier for pause button
- *  auto:       whether or not to auto-proceed
- *  speed:      animation speed
- *  autoTime:   time between auto-rotation
- *  easing:     easing function for transition
- *  start:      item to select by default
- *  scroll:     direction to scroll in
- *  pagination: whether or not to include dotted pagination
- *
- */
-
- (function($) {
- $.fn.dacSlideshow = function(o) {
-     
-     //Options - see above
-     o = $.extend({
-         btnPrev:   null,
-         btnNext:   null,
-         btnPause:  null,
-         auto:      true,
-         speed:     500,
-         autoTime:  12000,
-         easing:    null,
-         start:     0,
-         scroll:    1,
-         pagination: true
-
-     }, o || {});
-     
-     //Set up a carousel for each 
-     return this.each(function() {
-
-         var running = false;
-         var animCss = o.vertical ? "top" : "left";
-         var sizeCss = o.vertical ? "height" : "width";
-         var div = $(this);
-         var ul = $("ul", div);
-         var tLi = $("li", ul);
-         var tl = tLi.size(); 
-         var timer = null;
-
-         var li = $("li", ul);
-         var itemLength = li.size();
-         var curr = o.start;
-
-         li.css({float: o.vertical ? "none" : "left"});
-         ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
-         div.css({position: "relative", "z-index": "2", left: "0px"});
-
-         var liSize = o.vertical ? height(li) : width(li);
-         var ulSize = liSize * itemLength;
-         var divSize = liSize;
-
-         li.css({width: li.width(), height: li.height()});
-         ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
-
-         div.css(sizeCss, divSize+"px");
-         
-         //Pagination
-         if (o.pagination) {
-             var pagination = $("<div class='pagination'></div>");
-             var pag_ul = $("<ul></ul>");
-             if (tl > 1) {
-               for (var i=0;i<tl;i++) {
-                    var li = $("<li>"+i+"</li>");
-                    pag_ul.append(li);
-                    if (i==o.start) li.addClass('active');
-                        li.click(function() {
-                        go(parseInt($(this).text()));
-                    })
-                }
-                pagination.append(pag_ul);
-                div.append(pagination);
-             }
-         }
-         
-         //Previous button
-         if(o.btnPrev)
-             $(o.btnPrev).click(function(e) {
-                 e.preventDefault();
-                 return go(curr-o.scroll);
-             });
-
-         //Next button
-         if(o.btnNext)
-             $(o.btnNext).click(function(e) {
-                 e.preventDefault();
-                 return go(curr+o.scroll);
-             });
-
-         //Pause button
-         if(o.btnPause)
-             $(o.btnPause).click(function(e) {
-                 e.preventDefault();
-                 if ($(this).hasClass('paused')) {
-                     startRotateTimer();
-                 } else {
-                     pauseRotateTimer();
-                 }
-             });
-         
-         //Auto rotation
-         if(o.auto) startRotateTimer();
-             
-         function startRotateTimer() {
-             clearInterval(timer);
-             timer = setInterval(function() {
-                  if (curr == tl-1) {
-                    go(0);
-                  } else {
-                    go(curr+o.scroll);  
-                  } 
-              }, o.autoTime);
-             $(o.btnPause).removeClass('paused');
-         }
-
-         function pauseRotateTimer() {
-             clearInterval(timer);
-             $(o.btnPause).addClass('paused');
-         }
-
-         //Go to an item
-         function go(to) {
-             if(!running) {
-
-                 if(to<0) {
-                    to = itemLength-1;
-                 } else if (to>itemLength-1) {
-                    to = 0;
-                 }
-                 curr = to;
-
-                 running = true;
-
-                 ul.animate(
-                     animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
-                     function() {
-                         running = false;
-                     }
-                 );
-
-                 $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
-                 $( (curr-o.scroll<0 && o.btnPrev)
-                     ||
-                    (curr+o.scroll > itemLength && o.btnNext)
-                     ||
-                    []
-                  ).addClass("disabled");
-
-                 
-                 var nav_items = $('li', pagination);
-                 nav_items.removeClass('active');
-                 nav_items.eq(to).addClass('active');
-                 
-
-             }
-             if(o.auto) startRotateTimer();
-             return false;
-         };
-     });
- };
-
- function css(el, prop) {
-     return parseInt($.css(el[0], prop)) || 0;
- };
- function width(el) {
-     return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
- };
- function height(el) {
-     return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
- };
-
- })(jQuery);
-
-
-/*  
- *  dacSlideshow 1.0
- *  Used on develop/index.html for side-sliding tabs
- *
- *  Sample usage:
- *  HTML -
- *  <div class="slideshow-container">
- *   <a href="" class="slideshow-prev">Prev</a>
- *   <a href="" class="slideshow-next">Next</a>
- *   <ul>
- *       <li class="item"><img src="images/marquee1.jpg"></li>
- *       <li class="item"><img src="images/marquee2.jpg"></li>
- *       <li class="item"><img src="images/marquee3.jpg"></li>
- *       <li class="item"><img src="images/marquee4.jpg"></li>
- *   </ul>
- *  </div>
- *
- *   <script type="text/javascript">
- *   $('.slideshow-container').dacSlideshow({
- *       auto: true,
- *       btnPrev: '.slideshow-prev',
- *       btnNext: '.slideshow-next'
- *   });
- *   </script>
- *
- *  Options:
- *  btnPrev:    optional identifier for previous button
- *  btnNext:    optional identifier for next button
- *  auto:       whether or not to auto-proceed
- *  speed:      animation speed
- *  autoTime:   time between auto-rotation
- *  easing:     easing function for transition
- *  start:      item to select by default
- *  scroll:     direction to scroll in
- *  pagination: whether or not to include dotted pagination
- *
- */
- (function($) {
- $.fn.dacTabbedList = function(o) {
-     
-     //Options - see above
-     o = $.extend({
-         speed : 250,
-         easing: null,
-         nav_id: null,
-         frame_id: null
-     }, o || {});
-     
-     //Set up a carousel for each 
-     return this.each(function() {
-
-         var curr = 0;
-         var running = false;
-         var animCss = "margin-left";
-         var sizeCss = "width";
-         var div = $(this);
-         
-         var nav = $(o.nav_id, div);
-         var nav_li = $("li", nav);
-         var nav_size = nav_li.size(); 
-         var frame = div.find(o.frame_id);
-         var content_width = $(frame).find('ul').width();
-         //Buttons
-         $(nav_li).click(function(e) {
-           go($(nav_li).index($(this)));
-         })
-         
-         //Go to an item
-         function go(to) {
-             if(!running) {
-                 curr = to;
-                 running = true;
-
-                 frame.animate({ 'margin-left' : -(curr*content_width) }, o.speed, o.easing,
-                     function() {
-                         running = false;
-                     }
-                 );
-
-                 
-                 nav_li.removeClass('active');
-                 nav_li.eq(to).addClass('active');
-                 
-
-             }
-             return false;
-         };
-     });
- };
-
- function css(el, prop) {
-     return parseInt($.css(el[0], prop)) || 0;
- };
- function width(el) {
-     return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
- };
- function height(el) {
-     return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
- };
-
- })(jQuery);
-
-
-
-
-
-/* ######################################################## */
-/* ################  SEARCH SUGGESTIONS  ################## */
-/* ######################################################## */
-
-
-var gSelectedIndex = -1;
-var gSelectedID = -1;
-var gMatches = new Array();
-var gLastText = "";
-var ROW_COUNT = 20;
-var gInitialized = false;
-
-function set_item_selected($li, selected)
-{
-    if (selected) {
-        $li.attr('class','jd-autocomplete jd-selected');
-    } else {
-        $li.attr('class','jd-autocomplete');
-    }
-}
-
-function set_item_values(toroot, $li, match)
-{
-    var $link = $('a',$li);
-    $link.html(match.__hilabel || match.label);
-    $link.attr('href',toroot + match.link);
-}
-
-function sync_selection_table(toroot)
-{
-    var $list = $("#search_filtered");
-    var $li; //list item jquery object
-    var i; //list item iterator
-    gSelectedID = -1;
-    
-    //initialize the table; draw it for the first time (but not visible).
-    if (!gInitialized) {
-        for (i=0; i<ROW_COUNT; i++) {
-            var $li = $("<li class='jd-autocomplete'></li>");
-            $list.append($li);
-            
-            $li.mousedown(function() {
-                window.location = this.firstChild.getAttribute("href");
-            });
-            $li.mouseover(function() {
-                $('#search_filtered li').removeClass('jd-selected');
-                $(this).addClass('jd-selected');
-                gSelectedIndex = $('#search_filtered li').index(this);
-            });
-            $li.append('<a></a>');
-        }
-        gInitialized = true;
-    }
-  
-    //if we have results, make the table visible and initialize result info
-    if (gMatches.length > 0) {
-        $('#search_filtered_div').removeClass('no-display');
-        var N = gMatches.length < ROW_COUNT ? gMatches.length : ROW_COUNT;
-        for (i=0; i<N; i++) {
-            $li = $('#search_filtered li:nth-child('+(i+1)+')');
-            $li.attr('class','show-item');
-            set_item_values(toroot, $li, gMatches[i]);
-            set_item_selected($li, i == gSelectedIndex);
-            if (i == gSelectedIndex) {
-                gSelectedID = gMatches[i].id;
-            }
-        }
-        //start hiding rows that are no longer matches
-        for (; i<ROW_COUNT; i++) {
-            $li = $('#search_filtered li:nth-child('+(i+1)+')');
-            $li.attr('class','no-display');
-        }
-        //if there are more results we're not showing, so say so.
-/*      if (gMatches.length > ROW_COUNT) {
-            li = list.rows[ROW_COUNT];
-            li.className = "show-item";
-            c1 = li.cells[0];
-            c1.innerHTML = "plus " + (gMatches.length-ROW_COUNT) + " more"; 
-        } else {
-            list.rows[ROW_COUNT].className = "hide-item";
-        }*/
-    //if we have no results, hide the table
-    } else {
-        $('#search_filtered_div').addClass('no-display');
-    }
-}
-
-function search_changed(e, kd, toroot)
-{
-    var search = document.getElementById("search_autocomplete");
-    var text = search.value.replace(/(^ +)|( +$)/g, '');
-    
-    // show/hide the close button
-    if (text != '') {
-        $(".search .close").removeClass("hide");
-    } else {
-        $(".search .close").addClass("hide");
-    }
-
-    // 13 = enter
-    if (e.keyCode == 13) {
-        $('#search_filtered_div').addClass('no-display');
-        if (!$('#search_filtered_div').hasClass('no-display') || (gSelectedIndex < 0)) {
-            if ($("#searchResults").is(":hidden")) {
-              // if results aren't showing, return true to allow search to execute
-              return true;
-            } else {
-              // otherwise, results are already showing, so allow ajax to auto refresh the results
-              // and ignore this Enter press to avoid the reload.
-              return false;
-            }
-        } else if (kd && gSelectedIndex >= 0) {
-            window.location = toroot + gMatches[gSelectedIndex].link;
-            return false;
-        }
-    }
-    // 38 -- arrow up
-    else if (kd && (e.keyCode == 38)) {
-        if (gSelectedIndex >= 0) {
-            $('#search_filtered li').removeClass('jd-selected');
-            gSelectedIndex--;
-            $('#search_filtered li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
-        }
-        return false;
-    }
-    // 40 -- arrow down
-    else if (kd && (e.keyCode == 40)) {
-        if (gSelectedIndex < gMatches.length-1
-                        && gSelectedIndex < ROW_COUNT-1) {
-            $('#search_filtered li').removeClass('jd-selected');
-            gSelectedIndex++;
-            $('#search_filtered li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
-        }
-        return false;
-    }
-    else if (!kd && (e.keyCode != 40) && (e.keyCode != 38)) {
-        gMatches = new Array();
-        matchedCount = 0;
-        gSelectedIndex = -1;
-        for (var i=0; i<DATA.length; i++) {
-            var s = DATA[i];
-            if (text.length != 0 &&
-                  s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
-                gMatches[matchedCount] = s;
-                matchedCount++;
-            }
-        }
-        rank_autocomplete_results(text);
-        for (var i=0; i<gMatches.length; i++) {
-            var s = gMatches[i];
-            if (gSelectedID == s.id) {
-                gSelectedIndex = i;
-            }
-        }
-        highlight_autocomplete_result_labels(text);
-        sync_selection_table(toroot);
-        return true; // allow the event to bubble up to the search api
-    }
-}
-
-function rank_autocomplete_results(query) {
-    query = query || '';
-    if (!gMatches || !gMatches.length)
-      return;
-
-    // helper function that gets the last occurence index of the given regex
-    // in the given string, or -1 if not found
-    var _lastSearch = function(s, re) {
-      if (s == '')
-        return -1;
-      var l = -1;
-      var tmp;
-      while ((tmp = s.search(re)) >= 0) {
-        if (l < 0) l = 0;
-        l += tmp;
-        s = s.substr(tmp + 1);
-      }
-      return l;
-    };
-
-    // helper function that counts the occurrences of a given character in
-    // a given string
-    var _countChar = function(s, c) {
-      var n = 0;
-      for (var i=0; i<s.length; i++)
-        if (s.charAt(i) == c) ++n;
-      return n;
-    };
-
-    var queryLower = query.toLowerCase();
-    var queryAlnum = (queryLower.match(/\w+/) || [''])[0];
-    var partPrefixAlnumRE = new RegExp('\\b' + queryAlnum);
-    var partExactAlnumRE = new RegExp('\\b' + queryAlnum + '\\b');
-
-    var _resultScoreFn = function(result) {
-        // scores are calculated based on exact and prefix matches,
-        // and then number of path separators (dots) from the last
-        // match (i.e. favoring classes and deep package names)
-        var score = 1.0;
-        var labelLower = result.label.toLowerCase();
-        var t;
-        t = _lastSearch(labelLower, partExactAlnumRE);
-        if (t >= 0) {
-            // exact part match
-            var partsAfter = _countChar(labelLower.substr(t + 1), '.');
-            score *= 200 / (partsAfter + 1);
-        } else {
-            t = _lastSearch(labelLower, partPrefixAlnumRE);
-            if (t >= 0) {
-                // part prefix match
-                var partsAfter = _countChar(labelLower.substr(t + 1), '.');
-                score *= 20 / (partsAfter + 1);
-            }
-        }
-
-        return score;
-    };
-
-    for (var i=0; i<gMatches.length; i++) {
-        gMatches[i].__resultScore = _resultScoreFn(gMatches[i]);
-    }
-
-    gMatches.sort(function(a,b){
-        var n = b.__resultScore - a.__resultScore;
-        if (n == 0) // lexicographical sort if scores are the same
-            n = (a.label < b.label) ? -1 : 1;
-        return n;
-    });
-}
-
-function highlight_autocomplete_result_labels(query) {
-    query = query || '';
-    if (!gMatches || !gMatches.length)
-      return;
-
-    var queryLower = query.toLowerCase();
-    var queryAlnumDot = (queryLower.match(/[\w\.]+/) || [''])[0];
-    var queryRE = new RegExp(
-        '(' + queryAlnumDot.replace(/\./g, '\\.') + ')', 'ig');
-    for (var i=0; i<gMatches.length; i++) {
-        gMatches[i].__hilabel = gMatches[i].label.replace(
-            queryRE, '<b>$1</b>');
-    }
-}
-
-function search_focus_changed(obj, focused)
-{
-    if (!focused) {     
-        if(obj.value == ""){
-          $(".search .close").addClass("hide");
-        }
-        document.getElementById("search_filtered_div").className = "no-display";
-    }
-}
-
-function submit_search() {
-  var query = document.getElementById('search_autocomplete').value;
-  location.hash = 'q=' + query;
-  loadSearchResults();
-  $("#searchResults").slideDown('slow');
-  return false;
-}
-
-
-function hideResults() {
-  $("#searchResults").slideUp();
-  $(".search .close").addClass("hide");
-  location.hash = '';
-  
-  $("#search_autocomplete").val("").blur();
-  
-  // reset the ajax search callback to nothing, so results don't appear unless ENTER
-  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {});
-  return false;
-}
-
-
-
-/* ########################################################## */
-/* ################  CUSTOM SEARCH ENGINE  ################## */
-/* ########################################################## */
-
-google.load('search', '1');
-var searchControl;
-
-function loadSearchResults() {
-  document.getElementById("search_autocomplete").style.color = "#000";
-
-  // create search control
-  searchControl = new google.search.SearchControl();
-
-  // use our existing search form and use tabs when multiple searchers are used
-  drawOptions = new google.search.DrawOptions();
-  drawOptions.setDrawMode(google.search.SearchControl.DRAW_MODE_TABBED);
-  drawOptions.setInput(document.getElementById("search_autocomplete"));
-
-  // configure search result options
-  searchOptions = new google.search.SearcherOptions();
-  searchOptions.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);
-
-  // configure each of the searchers, for each tab
-  devSiteSearcher = new google.search.WebSearch();
-  devSiteSearcher.setUserDefinedLabel("All");
-  devSiteSearcher.setSiteRestriction("001482626316274216503:zu90b7s047u");
-
-  designSearcher = new google.search.WebSearch();
-  designSearcher.setUserDefinedLabel("Design");
-  designSearcher.setSiteRestriction("http://developer.android.com/design/");
-
-  trainingSearcher = new google.search.WebSearch();
-  trainingSearcher.setUserDefinedLabel("Training");
-  trainingSearcher.setSiteRestriction("http://developer.android.com/training/");
-
-  guidesSearcher = new google.search.WebSearch();
-  guidesSearcher.setUserDefinedLabel("Guides");
-  guidesSearcher.setSiteRestriction("http://developer.android.com/guide/");
-
-  referenceSearcher = new google.search.WebSearch();
-  referenceSearcher.setUserDefinedLabel("Reference");
-  referenceSearcher.setSiteRestriction("http://developer.android.com/reference/");
-
-  googleSearcher = new google.search.WebSearch();
-  googleSearcher.setUserDefinedLabel("Google Services");
-  googleSearcher.setSiteRestriction("http://developer.android.com/google/");
-
-  blogSearcher = new google.search.WebSearch();
-  blogSearcher.setUserDefinedLabel("Blog");
-  blogSearcher.setSiteRestriction("http://android-developers.blogspot.com");
-
-  // add each searcher to the search control
-  searchControl.addSearcher(devSiteSearcher, searchOptions);
-  searchControl.addSearcher(designSearcher, searchOptions);
-  searchControl.addSearcher(trainingSearcher, searchOptions);
-  searchControl.addSearcher(guidesSearcher, searchOptions);
-  searchControl.addSearcher(referenceSearcher, searchOptions);
-  searchControl.addSearcher(googleSearcher, searchOptions);
-  searchControl.addSearcher(blogSearcher, searchOptions);
-
-  // configure result options
-  searchControl.setResultSetSize(google.search.Search.LARGE_RESULTSET);
-  searchControl.setLinkTarget(google.search.Search.LINK_TARGET_SELF);
-  searchControl.setTimeoutInterval(google.search.SearchControl.TIMEOUT_SHORT);
-  searchControl.setNoResultsString(google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
-
-  // upon ajax search, refresh the url and search title
-  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {
-    updateResultTitle(query);
-    var query = document.getElementById('search_autocomplete').value;
-    location.hash = 'q=' + query;
-  });
-
-  // draw the search results box
-  searchControl.draw(document.getElementById("leftSearchControl"), drawOptions);
-
-  // get query and execute the search
-  searchControl.execute(decodeURI(getQuery(location.hash)));
-
-  document.getElementById("search_autocomplete").focus();
-  addTabListeners();
-}
-// End of loadSearchResults
-
-
-google.setOnLoadCallback(function(){
-  if (location.hash.indexOf("q=") == -1) {
-    // if there's no query in the url, don't search and make sure results are hidden
-    $('#searchResults').hide();
-    return;
-  } else {
-    // first time loading search results for this page
-    $('#searchResults').slideDown('slow');
-    $(".search .close").removeClass("hide");
-    loadSearchResults();
-  }
-}, true);
-
-// when an event on the browser history occurs (back, forward, load) requery hash and do search
-$(window).hashchange( function(){
-  // Exit if the hash isn't a search query or there's an error in the query
-  if ((location.hash.indexOf("q=") == -1) || (query == "undefined")) {
-    // If the results pane is open, close it.
-    if (!$("#searchResults").is(":hidden")) {
-      hideResults();
-    }
-    return;
-  }
-
-  // Otherwise, we have a search to do
-  var query = decodeURI(getQuery(location.hash));
-  searchControl.execute(query);
-  $('#searchResults').slideDown('slow');
-  $("#search_autocomplete").focus();
-  $(".search .close").removeClass("hide");
-
-  updateResultTitle(query);
-});
-
-function updateResultTitle(query) {
-  $("#searchTitle").html("Results for <em>" + escapeHTML(query) + "</em>");
-}
-
-// forcefully regain key-up event control (previously jacked by search api)
-$("#search_autocomplete").keyup(function(event) {
-  return search_changed(event, false, toRoot);
-});
-
-// add event listeners to each tab so we can track the browser history
-function addTabListeners() {
-  var tabHeaders = $(".gsc-tabHeader");
-  for (var i = 0; i < tabHeaders.length; i++) {
-    $(tabHeaders[i]).attr("id",i).click(function() {
-    /*
-      // make a copy of the page numbers for the search left pane
-      setTimeout(function() {
-        // remove any residual page numbers
-        $('#searchResults .gsc-tabsArea .gsc-cursor-box.gs-bidi-start-align').remove();
-        // move the page numbers to the left position; make a clone, 
-        // because the element is drawn to the DOM only once
-        // and because we're going to remove it (previous line), 
-        // we need it to be available to move again as the user navigates 
-        $('#searchResults .gsc-webResult .gsc-cursor-box.gs-bidi-start-align:visible')
-                        .clone().appendTo('#searchResults .gsc-tabsArea');
-        }, 200);
-      */
-    });
-  }
-  setTimeout(function(){$(tabHeaders[0]).click()},200);
-}
-
-
-function getQuery(hash) {
-  var queryParts = hash.split('=');
-  return queryParts[1];
-}
-
-/* returns the given string with all HTML brackets converted to entities
-    TODO: move this to the site's JS library */
-function escapeHTML(string) {
-  return string.replace(/</g,"&lt;")
-                .replace(/>/g,"&gt;");
-}
-
-
-
-
-
-
-
-/* ######################################################## */
-/* #################  JAVADOC REFERENCE ################### */
-/* ######################################################## */
-
-/* Initialize some droiddoc stuff, but only if we're in the reference */
-if (location.pathname.indexOf("/reference")) {
-  if(!location.pathname.indexOf("/reference-gms/packages.html")
-    && !location.pathname.indexOf("/reference-gcm/packages.html")
-    && !location.pathname.indexOf("/reference/com/google") == 0) {
-    $(document).ready(function() {
-      // init available apis based on user pref
-      changeApiLevel();
-      initSidenavHeightResize()
-      });
-  }
-}
-
-var API_LEVEL_COOKIE = "api_level";
-var minLevel = 1;
-var maxLevel = 1;
-
-/******* SIDENAV DIMENSIONS ************/
-  
-  function initSidenavHeightResize() {
-    // Change the drag bar size to nicely fit the scrollbar positions
-    var $dragBar = $(".ui-resizable-s");
-    $dragBar.css({'width': $dragBar.parent().width() - 5 + "px"});
-    
-    $( "#resize-packages-nav" ).resizable({ 
-      containment: "#nav-panels",
-      handles: "s",
-      alsoResize: "#packages-nav",
-      resize: function(event, ui) { resizeNav(); }, /* resize the nav while dragging */
-      stop: function(event, ui) { saveNavPanels(); } /* once stopped, save the sizes to cookie  */
-      });
-          
-  }
-  
-function updateSidenavFixedWidth() {
-  if (!navBarIsFixed) return;
-  $('#devdoc-nav').css({
-    'width' : $('#side-nav').css('width'),
-    'margin' : $('#side-nav').css('margin')
-  });
-  $('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
-  
-  initSidenavHeightResize();
-}
-
-function updateSidenavFullscreenWidth() {
-  if (!navBarIsFixed) return;
-  $('#devdoc-nav').css({
-    'width' : $('#side-nav').css('width'),
-    'margin' : $('#side-nav').css('margin')
-  });
-  $('#devdoc-nav .totop').css({'left': 'inherit'});
-  
-  initSidenavHeightResize();
-}
-
-function buildApiLevelSelector() {
-  maxLevel = SINCE_DATA.length;
-  var userApiLevel = parseInt(readCookie(API_LEVEL_COOKIE));
-  userApiLevel = userApiLevel == 0 ? maxLevel : userApiLevel; // If there's no cookie (zero), use the max by default
-
-  minLevel = parseInt($("#doc-api-level").attr("class"));
-  // Handle provisional api levels; the provisional level will always be the highest possible level
-  // Provisional api levels will also have a length; other stuff that's just missing a level won't,
-  // so leave those kinds of entities at the default level of 1 (for example, the R.styleable class)
-  if (isNaN(minLevel) && minLevel.length) {
-    minLevel = maxLevel;
-  }
-  var select = $("#apiLevelSelector").html("").change(changeApiLevel);
-  for (var i = maxLevel-1; i >= 0; i--) {
-    var option = $("<option />").attr("value",""+SINCE_DATA[i]).append(""+SINCE_DATA[i]);
-  //  if (SINCE_DATA[i] < minLevel) option.addClass("absent"); // always false for strings (codenames)
-    select.append(option);
-  }
-
-  // get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
-  var selectedLevelItem = $("#apiLevelSelector option[value='"+userApiLevel+"']").get(0);
-  selectedLevelItem.setAttribute('selected',true);
-}
-
-function changeApiLevel() {
-  maxLevel = SINCE_DATA.length;
-  var selectedLevel = maxLevel;
-
-  selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
-  toggleVisisbleApis(selectedLevel, "body");
-
-  var date = new Date();
-  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
-  var expiration = date.toGMTString();
-  writeCookie(API_LEVEL_COOKIE, selectedLevel, null, expiration);
-
-  if (selectedLevel < minLevel) {
-    var thing = ($("#jd-header").html().indexOf("package") != -1) ? "package" : "class";
-    $("#naMessage").show().html("<div><p><strong>This " + thing
-              + " requires API level " + minLevel + " or higher.</strong></p>"
-              + "<p>This document is hidden because your selected API level for the documentation is "
-              + selectedLevel + ". You can change the documentation API level with the selector "
-              + "above the left navigation.</p>"
-              + "<p>For more information about specifying the API level your app requires, "
-              + "read <a href='" + toRoot + "training/basics/supporting-devices/platforms.html'"
-              + ">Supporting Different Platform Versions</a>.</p>"
-              + "<input type='button' value='OK, make this page visible' "
-              + "title='Change the API level to " + minLevel + "' "
-              + "onclick='$(\"#apiLevelSelector\").val(\"" + minLevel + "\");changeApiLevel();' />"
-              + "</div>");
-  } else {
-    $("#naMessage").hide();
-  }
-}
-
-function toggleVisisbleApis(selectedLevel, context) {
-  var apis = $(".api",context);
-  apis.each(function(i) {
-    var obj = $(this);
-    var className = obj.attr("class");
-    var apiLevelIndex = className.lastIndexOf("-")+1;
-    var apiLevelEndIndex = className.indexOf(" ", apiLevelIndex);
-    apiLevelEndIndex = apiLevelEndIndex != -1 ? apiLevelEndIndex : className.length;
-    var apiLevel = className.substring(apiLevelIndex, apiLevelEndIndex);
-    if (apiLevel.length == 0) { // for odd cases when the since data is actually missing, just bail
-      return;
-    }
-    apiLevel = parseInt(apiLevel);
-
-    // Handle provisional api levels; if this item's level is the provisional one, set it to the max
-    var selectedLevelNum = parseInt(selectedLevel)
-    var apiLevelNum = parseInt(apiLevel);
-    if (isNaN(apiLevelNum)) {
-        apiLevelNum = maxLevel;
-    }
-
-    // Grey things out that aren't available and give a tooltip title
-    if (apiLevelNum > selectedLevelNum) {
-      obj.addClass("absent").attr("title","Requires API Level \""
-            + apiLevel + "\" or higher");
-    } 
-    else obj.removeClass("absent").removeAttr("title");
-  });
-}
-
-
-
-
-/* #################  SIDENAV TREE VIEW ################### */
-
-function new_node(me, mom, text, link, children_data, api_level)
-{
-  var node = new Object();
-  node.children = Array();
-  node.children_data = children_data;
-  node.depth = mom.depth + 1;
-
-  node.li = document.createElement("li");
-  mom.get_children_ul().appendChild(node.li);
-
-  node.label_div = document.createElement("div");
-  node.label_div.className = "label";
-  if (api_level != null) {
-    $(node.label_div).addClass("api");
-    $(node.label_div).addClass("api-level-"+api_level);
-  }
-  node.li.appendChild(node.label_div);
-
-  if (children_data != null) {
-    node.expand_toggle = document.createElement("a");
-    node.expand_toggle.href = "javascript:void(0)";
-    node.expand_toggle.onclick = function() {
-          if (node.expanded) {
-            $(node.get_children_ul()).slideUp("fast");
-            node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
-            node.expanded = false;
-          } else {
-            expand_node(me, node);
-          }
-       };
-    node.label_div.appendChild(node.expand_toggle);
-
-    node.plus_img = document.createElement("img");
-    node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
-    node.plus_img.className = "plus";
-    node.plus_img.width = "8";
-    node.plus_img.border = "0";
-    node.expand_toggle.appendChild(node.plus_img);
-
-    node.expanded = false;
-  }
-
-  var a = document.createElement("a");
-  node.label_div.appendChild(a);
-  node.label = document.createTextNode(text);
-  a.appendChild(node.label);
-  if (link) {
-    a.href = me.toroot + link;
-  } else {
-    if (children_data != null) {
-      a.className = "nolink";
-      a.href = "javascript:void(0)";
-      a.onclick = node.expand_toggle.onclick;
-      // This next line shouldn't be necessary.  I'll buy a beer for the first
-      // person who figures out how to remove this line and have the link
-      // toggle shut on the first try. --joeo@android.com
-      node.expanded = false;
-    }
-  }
-  
-
-  node.children_ul = null;
-  node.get_children_ul = function() {
-      if (!node.children_ul) {
-        node.children_ul = document.createElement("ul");
-        node.children_ul.className = "children_ul";
-        node.children_ul.style.display = "none";
-        node.li.appendChild(node.children_ul);
-      }
-      return node.children_ul;
-    };
-
-  return node;
-}
-
-
-
-
-function expand_node(me, node)
-{
-  if (node.children_data && !node.expanded) {
-    if (node.children_visited) {
-      $(node.get_children_ul()).slideDown("fast");
-    } else {
-      get_node(me, node);
-      if ($(node.label_div).hasClass("absent")) {
-        $(node.get_children_ul()).addClass("absent");
-      } 
-      $(node.get_children_ul()).slideDown("fast");
-    }
-    node.plus_img.src = me.toroot + "assets/images/triangle-opened-small.png";
-    node.expanded = true;
-
-    // perform api level toggling because new nodes are new to the DOM
-    var selectedLevel = $("#apiLevelSelector option:selected").val();
-    toggleVisisbleApis(selectedLevel, "#side-nav");
-  }
-}
-
-function get_node(me, mom)
-{
-  mom.children_visited = true;
-  for (var i in mom.children_data) {
-    var node_data = mom.children_data[i];
-    mom.children[i] = new_node(me, mom, node_data[0], node_data[1],
-        node_data[2], node_data[3]);
-  }
-}
-
-function this_page_relative(toroot)
-{
-  var full = document.location.pathname;
-  var file = "";
-  if (toroot.substr(0, 1) == "/") {
-    if (full.substr(0, toroot.length) == toroot) {
-      return full.substr(toroot.length);
-    } else {
-      // the file isn't under toroot.  Fail.
-      return null;
-    }
-  } else {
-    if (toroot != "./") {
-      toroot = "./" + toroot;
-    }
-    do {
-      if (toroot.substr(toroot.length-3, 3) == "../" || toroot == "./") {
-        var pos = full.lastIndexOf("/");
-        file = full.substr(pos) + file;
-        full = full.substr(0, pos);
-        toroot = toroot.substr(0, toroot.length-3);
-      }
-    } while (toroot != "" && toroot != "/");
-    return file.substr(1);
-  }
-}
-
-function find_page(url, data)
-{
-  var nodes = data;
-  var result = null;
-  for (var i in nodes) {
-    var d = nodes[i];
-    if (d[1] == url) {
-      return new Array(i);
-    }
-    else if (d[2] != null) {
-      result = find_page(url, d[2]);
-      if (result != null) {
-        return (new Array(i).concat(result));
-      }
-    }
-  }
-  return null;
-}
-
-function init_default_navtree(toroot) {
-  init_navtree("tree-list", toroot, NAVTREE_DATA);
-  
-  // perform api level toggling because because the whole tree is new to the DOM
-  var selectedLevel = $("#apiLevelSelector option:selected").val();
-  toggleVisisbleApis(selectedLevel, "#side-nav");
-}
-
-function init_navtree(navtree_id, toroot, root_nodes)
-{
-  var me = new Object();
-  me.toroot = toroot;
-  me.node = new Object();
-
-  me.node.li = document.getElementById(navtree_id);
-  me.node.children_data = root_nodes;
-  me.node.children = new Array();
-  me.node.children_ul = document.createElement("ul");
-  me.node.get_children_ul = function() { return me.node.children_ul; };
-  //me.node.children_ul.className = "children_ul";
-  me.node.li.appendChild(me.node.children_ul);
-  me.node.depth = 0;
-
-  get_node(me, me.node);
-
-  me.this_page = this_page_relative(toroot);
-  me.breadcrumbs = find_page(me.this_page, root_nodes);
-  if (me.breadcrumbs != null && me.breadcrumbs.length != 0) {
-    var mom = me.node;
-    for (var i in me.breadcrumbs) {
-      var j = me.breadcrumbs[i];
-      mom = mom.children[j];
-      expand_node(me, mom);
-    }
-    mom.label_div.className = mom.label_div.className + " selected";
-    addLoadEvent(function() {
-      scrollIntoView("nav-tree");
-      });
-  }
-}
-
-/* TODO: eliminate redundancy with non-google functions */
-function init_google_navtree(navtree_id, toroot, root_nodes)
-{
-  var me = new Object();
-  me.toroot = toroot;
-  me.node = new Object();
-
-  me.node.li = document.getElementById(navtree_id);
-  me.node.children_data = root_nodes;
-  me.node.children = new Array();
-  me.node.children_ul = document.createElement("ul");
-  me.node.get_children_ul = function() { return me.node.children_ul; };
-  //me.node.children_ul.className = "children_ul";
-  me.node.li.appendChild(me.node.children_ul);
-  me.node.depth = 0;
-
-  get_google_node(me, me.node);
-
-}
-
-function new_google_node(me, mom, text, link, children_data, api_level)
-{
-  var node = new Object();
-  var child;
-  node.children = Array();
-  node.children_data = children_data;
-  node.depth = mom.depth + 1;
-  node.get_children_ul = function() {
-      if (!node.children_ul) {
-        node.children_ul = document.createElement("ul"); 
-        node.children_ul.className = "tree-list-children"; 
-        node.li.appendChild(node.children_ul);
-      }
-      return node.children_ul;
-    };
-  node.li = document.createElement("li");
-
-  mom.get_children_ul().appendChild(node.li);
-  
-  
-  if(link) {
-    child = document.createElement("a");
-
-  }
-  else {
-    child = document.createElement("span");
-    child.className = "tree-list-subtitle";
-
-  }
-  if (children_data != null) {
-    node.li.className="nav-section";
-    node.label_div = document.createElement("div");
-    node.label_div.className = "nav-section-header-ref";  
-    node.li.appendChild(node.label_div);
-    get_google_node(me, node);
-    node.label_div.appendChild(child);
-  }
-  else {
-    node.li.appendChild(child);
-  }
-  if(link) {
-    child.href = me.toroot + link;
-  }
-  node.label = document.createTextNode(text);
-  child.appendChild(node.label);
-
-  node.children_ul = null;
-
-  return node;
-}
-
-function get_google_node(me, mom)
-{
-  mom.children_visited = true;
-  var linkText;
-  for (var i in mom.children_data) {
-    var node_data = mom.children_data[i];
-    linkText = node_data[0];
-
-    if(linkText.match("^"+"com.google.android")=="com.google.android"){
-      linkText = linkText.substr(19, linkText.length);
-    }
-      mom.children[i] = new_google_node(me, mom, linkText, node_data[1],
-          node_data[2], node_data[3]);
-  }
-}
-function showGoogleRefTree() {
-  init_default_google_navtree(toRoot);
-  init_default_gcm_navtree(toRoot);
-  resizeNav();
-}
-
-function init_default_google_navtree(toroot) {
-  init_google_navtree("gms-tree-list", toroot, GMS_NAVTREE_DATA);
-}
-
-function init_default_gcm_navtree(toroot) {
-  init_google_navtree("gcm-tree-list", toroot, GCM_NAVTREE_DATA);
-}
-
-/* TOGGLE INHERITED MEMBERS */
-
-/* Toggle an inherited class (arrow toggle)
- * @param linkObj  The link that was clicked.
- * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
- *                'null' to simply toggle.
- */
-function toggleInherited(linkObj, expand) {
-    var base = linkObj.getAttribute("id");
-    var list = document.getElementById(base + "-list");
-    var summary = document.getElementById(base + "-summary");
-    var trigger = document.getElementById(base + "-trigger");
-    var a = $(linkObj);
-    if ( (expand == null && a.hasClass("closed")) || expand ) {
-        list.style.display = "none";
-        summary.style.display = "block";
-        trigger.src = toRoot + "assets/images/triangle-opened.png";
-        a.removeClass("closed");
-        a.addClass("opened");
-    } else if ( (expand == null && a.hasClass("opened")) || (expand == false) ) {
-        list.style.display = "block";
-        summary.style.display = "none";
-        trigger.src = toRoot + "assets/images/triangle-closed.png";
-        a.removeClass("opened");
-        a.addClass("closed");
-    }
-    return false;
-}
-
-/* Toggle all inherited classes in a single table (e.g. all inherited methods)
- * @param linkObj  The link that was clicked.
- * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
- *                'null' to simply toggle.
- */
-function toggleAllInherited(linkObj, expand) {
-  var a = $(linkObj);
-  var table = $(a.parent().parent().parent()); // ugly way to get table/tbody
-  var expandos = $(".jd-expando-trigger", table);
-  if ( (expand == null && a.text() == "[Expand]") || expand ) {
-    expandos.each(function(i) {
-      toggleInherited(this, true);
-    });
-    a.text("[Collapse]");
-  } else if ( (expand == null && a.text() == "[Collapse]") || (expand == false) ) {
-    expandos.each(function(i) {
-      toggleInherited(this, false);
-    });
-    a.text("[Expand]");
-  }
-  return false;
-}
-
-/* Toggle all inherited members in the class (link in the class title)
- */
-function toggleAllClassInherited() {
-  var a = $("#toggleAllClassInherited"); // get toggle link from class title
-  var toggles = $(".toggle-all", $("#body-content"));
-  if (a.text() == "[Expand All]") {
-    toggles.each(function(i) {
-      toggleAllInherited(this, true);
-    });
-    a.text("[Collapse All]");
-  } else {
-    toggles.each(function(i) {
-      toggleAllInherited(this, false);
-    });
-    a.text("[Expand All]");
-  }
-  return false;
-}
-
-/* Expand all inherited members in the class. Used when initiating page search */
-function ensureAllInheritedExpanded() {
-  var toggles = $(".toggle-all", $("#body-content"));
-  toggles.each(function(i) {
-    toggleAllInherited(this, true);
-  });
-  $("#toggleAllClassInherited").text("[Collapse All]");
-}
-
-
-/* HANDLE KEY EVENTS
- * - Listen for Ctrl+F (Cmd on Mac) and expand all inherited members (to aid page search)
- */
-var agent = navigator['userAgent'].toLowerCase();
-var mac = agent.indexOf("macintosh") != -1;
-
-$(document).keydown( function(e) {
-var control = mac ? e.metaKey && !e.ctrlKey : e.ctrlKey; // get ctrl key
-  if (control && e.which == 70) {  // 70 is "F"
-    ensureAllInheritedExpanded();
-  }
-});
diff --git a/tools/droiddoc/templates-ds/assets/js/global-libraries-combined.js b/tools/droiddoc/templates-ds/assets/js/global-libraries-combined.js
deleted file mode 100644
index 37bd1c299..000000000
--- a/tools/droiddoc/templates-ds/assets/js/global-libraries-combined.js
+++ /dev/null
@@ -1,76 +0,0 @@
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-/*! jQuery UI - v1.8.21 - 2012-06-05
-* https://github.com/jquery/jquery-ui
-* Includes: jquery.ui.core.js, jquery.ui.widget.js, jquery.ui.mouse.js, jquery.ui.draggable.js, jquery.ui.droppable.js, jquery.ui.resizable.js, jquery.ui.selectable.js, jquery.ui.sortable.js, jquery.effects.core.js, jquery.effects.blind.js, jquery.effects.bounce.js, jquery.effects.clip.js, jquery.effects.drop.js, jquery.effects.explode.js, jquery.effects.fade.js, jquery.effects.fold.js, jquery.effects.highlight.js, jquery.effects.pulsate.js, jquery.effects.scale.js, jquery.effects.shake.js, jquery.effects.slide.js, jquery.effects.transfer.js, jquery.ui.accordion.js, jquery.ui.autocomplete.js, jquery.ui.button.js, jquery.ui.datepicker.js, jquery.ui.dialog.js, jquery.ui.position.js, jquery.ui.progressbar.js, jquery.ui.slider.js, jquery.ui.tabs.js
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this._trigger("stop",b)!==!1&&this._clear();return!1},_mouseUp:function(b){return this.options.iframeFix===!0&&a("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)}),a.ui.ddmanager&&a.ui.ddmanager.dragStop(this,b),a.ui.mouse.prototype._mouseUp.call(this,b)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear(),this},_getHandle:function(b){var c=!this.options.handle||!a(this.options.handle,this.element).length?!0:!1;return a(this.options.handle,this.element).find("*").andSelf().each(function(){this==b.target&&(c=!0)}),c},_createHelper:function(b){var c=this.options,d=a.isFunction(c.helper)?a(c.helper.apply(this.element[0],[b])):c.helper=="clone"?this.element.clone().removeAttr("id"):this.element;return d.parents("body").length||d.appendTo(c.appendTo=="parent"?this.element[0].parentNode:c.appendTo),d[0]!=this.element[0]&&!/(fixed|absolute)/.test(d.css("position"))&&d.css("position","absolute"),d},_adjustOffsetFromHelper:function(b){typeof b=="string"&&(b=b.split(" ")),a.isArray(b)&&(b={left:+b[0],top:+b[1]||0}),"left"in b&&(this.offset.click.left=b.left+this.margins.left),"right"in b&&(this.offset.click.left=this.helperProportions.width-b.right+this.margins.left),"top"in b&&(this.offset.click.top=b.top+this.margins.top),"bottom"in b&&(this.offset.click.top=this.helperProportions.height-b.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var b=this.offsetParent.offset();this.cssPosition=="absolute"&&this.scrollParent[0]!=document&&a.ui.contains(this.scrollParent[0],this.offsetParent[0])&&(b.left+=this.scrollParent.scrollLeft(),b.top+=this.scrollParent.scrollTop());if(this.offsetParent[0]==document.body||this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=="html"&&a.browser.msie)b={top:0,left:0};return{top:b.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:b.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition=="relative"){var a=this.element.position();return{top:a.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:a.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left:0}},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var b=this.options;b.containment=="parent"&&(b.containment=this.helper[0].parentNode);if(b.containment=="document"||b.containment=="window")this.containment=[b.containment=="document"?0:a(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,b.containment=="document"?0:a(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,(b.containment=="document"?0:a(window).scrollLeft())+a(b.containment=="document"?document:window).width()-this.helperProportions.width-this.margins.left,(b.containment=="document"?0:a(window).scrollTop())+(a(b.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(b.containment)&&b.containment.constructor!=Array){var c=a(b.containment),d=c[0];if(!d)return;var e=c.offset(),f=a(d).css("overflow")!="hidden";this.containment=[(parseInt(a(d).css("borderLeftWidth"),10)||0)+(parseInt(a(d).css("paddingLeft"),10)||0),(parseInt(a(d).css("borderTopWidth"),10)||0)+(parseInt(a(d).css("paddingTop"),10)||0),(f?Math.max(d.scrollWidth,d.offsetWidth):d.offsetWidth)-(parseInt(a(d).css("borderLeftWidth"),10)||0)-(parseInt(a(d).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(f?Math.max(d.scrollHeight,d.offsetHeight):d.offsetHeight)-(parseInt(a(d).css("borderTopWidth"),10)||0)-(parseInt(a(d).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relative_container=c}else b.containment.constructor==Array&&(this.containment=b.containment)},_convertPositionTo:function(b,c){c||(c=this.position);var d=b=="absolute"?1:-1,e=this.options,f=this.cssPosition=="absolute"&&(this.scrollParent[0]==document||!a.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,g=/(html|body)/i.test(f[0].tagName);return{top:c.top+this.offset.relative.top*d+this.offset.parent.top*d-(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():g?0:f.scrollTop())*d),left:c.left+this.offset.relative.left*d+this.offset.parent.left*d-(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():g?0:f.scrollLeft())*d)}},_generatePosition:function(b){var c=this.options,d=this.cssPosition=="absolute"&&(this.scrollParent[0]==document||!a.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,e=/(html|body)/i.test(d[0].tagName),f=b.pageX,g=b.pageY;if(this.originalPosition){var h;if(this.containment){if(this.relative_container){var i=this.relative_container.offset();h=[this.containment[0]+i.left,this.containment[1]+i.top,this.containment[2]+i.left,this.containment[3]+i.top]}else h=this.containment;b.pageX-this.offset.click.left<h[0]&&(f=h[0]+this.offset.click.left),b.pageY-this.offset.click.top<h[1]&&(g=h[1]+this.offset.click.top),b.pageX-this.offset.click.left>h[2]&&(f=h[2]+this.offset.click.left),b.pageY-this.offset.click.top>h[3]&&(g=h[3]+this.offset.click.top)}if(c.grid){var j=c.grid[1]?this.originalPageY+Math.round((g-this.originalPageY)/c.grid[1])*c.grid[1]:this.originalPageY;g=h?j-this.offset.click.top<h[1]||j-this.offset.click.top>h[3]?j-this.offset.click.top<h[1]?j+c.grid[1]:j-c.grid[1]:j:j;var k=c.grid[0]?this.originalPageX+Math.round((f-this.originalPageX)/c.grid[0])*c.grid[0]:this.originalPageX;f=h?k-this.offset.click.left<h[0]||k-this.offset.click.left>h[2]?k-this.offset.click.left<h[0]?k+c.grid[0]:k-c.grid[0]:k:k}}return{top:g-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollTop():e?0:d.scrollTop()),left:f-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():e?0:d.scrollLeft())}},_clear:function(){this.helper.removeClass("ui-draggable-dragging"),this.helper[0]!=this.element[0]&&!this.cancelHelperRemoval&&this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1},_trigger:function(b,c,d){return d=d||this._uiHash(),a.ui.plugin.call(this,b,[c,d]),b=="drag"&&(this.positionAbs=this._convertPositionTo("absolute")),a.Widget.prototype._trigger.call(this,b,c,d)},plugins:{},_uiHash:function(a){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),a.extend(a.ui.draggable,{version:"1.8.21"}),a.ui.plugin.add("draggable","connectToSortable",{start:function(b,c){var d=a(this).data("draggable"),e=d.options,f=a.extend({},c,{item:d.element});d.sortables=[],a(e.connectToSortable).each(function(){var c=a.data(this,"sortable");c&&!c.options.disabled&&(d.sortables.push({instance:c,shouldRevert:c.options.revert}),c.refreshPositions(),c._trigger("activate",b,f))})},stop:function(b,c){var d=a(this).data("draggable"),e=a.extend({},c,{item:d.element});a.each(d.sortables,function(){this.instance.isOver?(this.instance.isOver=0,d.cancelHelperRemoval=!0,this.instance.cancelHelperRemoval=!1,this.shouldRevert&&(this.instance.options.revert=!0),this.instance._mouseStop(b),this.instance.options.helper=this.instance.options._helper,d.options.helper=="original"&&this.instance.currentItem.css({top:"auto",left:"auto"})):(this.instance.cancelHelperRemoval=!1,this.instance._trigger("deactivate",b,e))})},drag:function(b,c){var d=a(this).data("draggable"),e=this,f=function(b){var c=this.offset.click.top,d=this.offset.click.left,e=this.positionAbs.top,f=this.positionAbs.left,g=b.height,h=b.width,i=b.top,j=b.left;return a.ui.isOver(e+c,f+d,i,j,g,h)};a.each(d.sortables,function(f){this.instance.positionAbs=d.positionAbs,this.instance.helperProportions=d.helperProportions,this.instance.offset.click=d.offset.click,this.instance._intersectsWith(this.instance.containerCache)?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=a(e).clone().removeAttr("id").appendTo(this.instance.element).data("sortable-item",!0),this.instance.options._helper=this.instance.options.helper,this.instance.options.helper=function(){return c.helper[0]},b.target=this.instance.currentItem[0],this.instance._mouseCapture(b,!0),this.instance._mouseStart(b,!0,!0),this.instance.offset.click.top=d.offset.click.top,this.instance.offset.click.left=d.offset.click.left,this.instance.offset.parent.left-=d.offset.parent.left-this.instance.offset.parent.left,this.instance.offset.parent.top-=d.offset.parent.top-this.instance.offset.parent.top,d._trigger("toSortable",b),d.dropped=this.instance.element,d.currentItem=d.element,this.instance.fromOutside=d),this.instance.currentItem&&this.instance._mouseDrag(b)):this.instance.isOver&&(this.instance.isOver=0,this.instance.cancelHelperRemoval=!0,this.instance.options.revert=!1,this.instance._trigger("out",b,this.instance._uiHash(this.instance)),this.instance._mouseStop(b,!0),this.instance.options.helper=this.instance.options._helper,this.instance.currentItem.remove(),this.instance.placeholder&&this.instance.placeholder.remove(),d._trigger("fromSortable",b),d.dropped=!1)})}}),a.ui.plugin.add("draggable","cursor",{start:function(b,c){var d=a("body"),e=a(this).data("draggable").options;d.css("cursor")&&(e._cursor=d.css("cursor")),d.css("cursor",e.cursor)},stop:function(b,c){var d=a(this).data("draggable").options;d._cursor&&a("body").css("cursor",d._cursor)}}),a.ui.plugin.add("draggable","opacity",{start:function(b,c){var d=a(c.helper),e=a(this).data("draggable").options;d.css("opacity")&&(e._opacity=d.css("opacity")),d.css("opacity",e.opacity)},stop:function(b,c){var d=a(this).data("draggable").options;d._opacity&&a(c.helper).css("opacity",d._opacity)}}),a.ui.plugin.add("draggable","scroll",{start:function(b,c){var d=a(this).data("draggable");d.scrollParent[0]!=document&&d.scrollParent[0].tagName!="HTML"&&(d.overflowOffset=d.scrollParent.offset())},drag:function(b,c){var d=a(this).data("draggable"),e=d.options,f=!1;if(d.scrollParent[0]!=document&&d.scrollParent[0].tagName!="HTML"){if(!e.axis||e.axis!="x")d.overflowOffset.top+d.scrollParent[0].offsetHeight-b.pageY<e.scrollSensitivity?d.scrollParent[0].scrollTop=f=d.scrollParent[0].scrollTop+e.scrollSpeed:b.pageY-d.overflowOffset.top<e.scrollSensitivity&&(d.scrollParent[0].scrollTop=f=d.scrollParent[0].scrollTop-e.scrollSpeed);if(!e.axis||e.axis!="y")d.overflowOffset.left+d.scrollParent[0].offsetWidth-b.pageX<e.scrollSensitivity?d.scrollParent[0].scrollLeft=f=d.scrollParent[0].scrollLeft+e.scrollSpeed:b.pageX-d.overflowOffset.left<e.scrollSensitivity&&(d.scrollParent[0].scrollLeft=f=d.scrollParent[0].scrollLeft-e.scrollSpeed)}else{if(!e.axis||e.axis!="x")b.pageY-a(document).scrollTop()<e.scrollSensitivity?f=a(document).scrollTop(a(document).scrollTop()-e.scrollSpeed):a(window).height()-(b.pageY-a(document).scrollTop())<e.scrollSensitivity&&(f=a(document).scrollTop(a(document).scrollTop()+e.scrollSpeed));if(!e.axis||e.axis!="y")b.pageX-a(document).scrollLeft()<e.scrollSensitivity?f=a(document).scrollLeft(a(document).scrollLeft()-e.scrollSpeed):a(window).width()-(b.pageX-a(document).scrollLeft())<e.scrollSensitivity&&(f=a(document).scrollLeft(a(document).scrollLeft()+e.scrollSpeed))}f!==!1&&a.ui.ddmanager&&!e.dropBehaviour&&a.ui.ddmanager.prepareOffsets(d,b)}}),a.ui.plugin.add("draggable","snap",{start:function(b,c){var d=a(this).data("draggable"),e=d.options;d.snapElements=[],a(e.snap.constructor!=String?e.snap.items||":data(draggable)":e.snap).each(function(){var b=a(this),c=b.offset();this!=d.element[0]&&d.snapElements.push({item:this,width:b.outerWidth(),height:b.outerHeight(),top:c.top,left:c.left})})},drag:function(b,c){var d=a(this).data("draggable"),e=d.options,f=e.snapTolerance,g=c.offset.left,h=g+d.helperProportions.width,i=c.offset.top,j=i+d.helperProportions.height;for(var k=d.snapElements.length-1;k>=0;k--){var l=d.snapElements[k].left,m=l+d.snapElements[k].width,n=d.snapElements[k].top,o=n+d.snapElements[k].height;if(!(l-f<g&&g<m+f&&n-f<i&&i<o+f||l-f<g&&g<m+f&&n-f<j&&j<o+f||l-f<h&&h<m+f&&n-f<i&&i<o+f||l-f<h&&h<m+f&&n-f<j&&j<o+f)){d.snapElements[k].snapping&&d.options.snap.release&&d.options.snap.release.call(d.element,b,a.extend(d._uiHash(),{snapItem:d.snapElements[k].item})),d.snapElements[k].snapping=!1;continue}if(e.snapMode!="inner"){var p=Math.abs(n-j)<=f,q=Math.abs(o-i)<=f,r=Math.abs(l-h)<=f,s=Math.abs(m-g)<=f;p&&(c.position.top=d._convertPositionTo("relative",{top:n-d.helperProportions.height,left:0}).top-d.margins.top),q&&(c.position.top=d._convertPositionTo("relative",{top:o,left:0}).top-d.margins.top),r&&(c.position.left=d._convertPositionTo("relative",{top:0,left:l-d.helperProportions.width}).left-d.margins.left),s&&(c.position.left=d._convertPositionTo("relative",{top:0,left:m}).left-d.margins.left)}var t=p||q||r||s;if(e.snapMode!="outer"){var p=Math.abs(n-i)<=f,q=Math.abs(o-j)<=f,r=Math.abs(l-g)<=f,s=Math.abs(m-h)<=f;p&&(c.position.top=d._convertPositionTo("relative",{top:n,left:0}).top-d.margins.top),q&&(c.position.top=d._convertPositionTo("relative",{top:o-d.helperProportions.height,left:0}).top-d.margins.top),r&&(c.position.left=d._convertPositionTo("relative",{top:0,left:l}).left-d.margins.left),s&&(c.position.left=d._convertPositionTo("relative",{top:0,left:m-d.helperProportions.width}).left-d.margins.left)}!d.snapElements[k].snapping&&(p||q||r||s||t)&&d.options.snap.snap&&d.options.snap.snap.call(d.element,b,a.extend(d._uiHash(),{snapItem:d.snapElements[k].item})),d.snapElements[k].snapping=p||q||r||s||t}}}),a.ui.plugin.add("draggable","stack",{start:function(b,c){var d=a(this).data("draggable").options,e=a.makeArray(a(d.stack)).sort(function(b,c){return(parseInt(a(b).css("zIndex"),10)||0)-(parseInt(a(c).css("zIndex"),10)||0)});if(!e.length)return;var f=parseInt(e[0].style.zIndex)||0;a(e).each(function(a){this.style.zIndex=f+a}),this[0].style.zIndex=f+e.length}}),a.ui.plugin.add("draggable","zIndex",{start:function(b,c){var d=a(c.helper),e=a(this).data("draggable").options;d.css("zIndex")&&(e._zIndex=d.css("zIndex")),d.css("zIndex",e.zIndex)},stop:function(b,c){var d=a(this).data("draggable").options;d._zIndex&&a(c.helper).css("zIndex",d._zIndex)}})}(jQuery),function(a,b){a.widget("ui.droppable",{widgetEventPrefix:"drop",options:{accept:"*",activeClass:!1,addClasses:!0,greedy:!1,hoverClass:!1,scope:"default",tolerance:"intersect"},_create:function(){var b=this.options,c=b.accept;this.isover=0,this.isout=1,this.accept=a.isFunction(c)?c:function(a){return a.is(c)},this.proportions={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight},a.ui.ddmanager.droppables[b.scope]=a.ui.ddmanager.droppables[b.scope]||[],a.ui.ddmanager.droppables[b.scope].push(this),b.addClasses&&this.element.addClass("ui-droppable")},destroy:function(){var b=a.ui.ddmanager.droppables[this.options.scope];for(var c=0;c<b.length;c++)b[c]==this&&b.splice(c,1);return this.element.removeClass("ui-droppable ui-droppable-disabled").removeData("droppable").unbind(".droppable"),this},_setOption:function(b,c){b=="accept"&&(this.accept=a.isFunction(c)?c:function(a){return a.is(c)}),a.Widget.prototype._setOption.apply(this,arguments)},_activate:function(b){var c=a.ui.ddmanager.current;this.options.activeClass&&this.element.addClass(this.options.activeClass),c&&this._trigger("activate",b,this.ui(c))},_deactivate:function(b){var c=a.ui.ddmanager.current;this.options.activeClass&&this.element.removeClass(this.options.activeClass),c&&this._trigger("deactivate",b,this.ui(c))},_over:function(b){var c=a.ui.ddmanager.current;if(!c||(c.currentItem||c.element)[0]==this.element[0])return;this.accept.call(this.element[0],c.currentItem||c.element)&&(this.options.hoverClass&&this.element.addClass(this.options.hoverClass),this._trigger("over",b,this.ui(c)))},_out:function(b){var c=a.ui.ddmanager.current;if(!c||(c.currentItem||c.element)[0]==this.element[0])return;this.accept.call(this.element[0],c.currentItem||c.element)&&(this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("out",b,this.ui(c)))},_drop:function(b,c){var d=c||a.ui.ddmanager.current;if(!d||(d.currentItem||d.element)[0]==this.element[0])return!1;var e=!1;return this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function(){var b=a.data(this,"droppable");if(b.options.greedy&&!b.options.disabled&&b.options.scope==d.options.scope&&b.accept.call(b.element[0],d.currentItem||d.element)&&a.ui.intersect(d,a.extend(b,{offset:b.element.offset()}),b.options.tolerance))return e=!0,!1}),e?!1:this.accept.call(this.element[0],d.currentItem||d.element)?(this.options.activeClass&&this.element.removeClass(this.options.activeClass),this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("drop",b,this.ui(d)),this.element):!1},ui:function(a){return{draggable:a.currentItem||a.element,helper:a.helper,position:a.position,offset:a.positionAbs}}}),a.extend(a.ui.droppable,{version:"1.8.21"}),a.ui.intersect=function(b,c,d){if(!c.offset)return!1;var e=(b.positionAbs||b.position.absolute).left,f=e+b.helperProportions.width,g=(b.positionAbs||b.position.absolute).top,h=g+b.helperProportions.height,i=c.offset.left,j=i+c.proportions.width,k=c.offset.top,l=k+c.proportions.height;switch(d){case"fit":return i<=e&&f<=j&&k<=g&&h<=l;case"intersect":return i<e+b.helperProportions.width/2&&f-b.helperProportions.width/2<j&&k<g+b.helperProportions.height/2&&h-b.helperProportions.height/2<l;case"pointer":var m=(b.positionAbs||b.position.absolute).left+(b.clickOffset||b.offset.click).left,n=(b.positionAbs||b.position.absolute).top+(b.clickOffset||b.offset.click).top,o=a.ui.isOver(n,m,k,i,c.proportions.height,c.proportions.width);return o;case"touch":return(g>=k&&g<=l||h>=k&&h<=l||g<k&&h>l)&&(e>=i&&e<=j||f>=i&&f<=j||e<i&&f>j);default:return!1}},a.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(b,c){var d=a.ui.ddmanager.droppables[b.options.scope]||[],e=c?c.type:null,f=(b.currentItem||b.element).find(":data(droppable)").andSelf();g:for(var h=0;h<d.length;h++){if(d[h].options.disabled||b&&!d[h].accept.call(d[h].element[0],b.currentItem||b.element))continue;for(var i=0;i<f.length;i++)if(f[i]==d[h].element[0]){d[h].proportions.height=0;continue g}d[h].visible=d[h].element.css("display")!="none";if(!d[h].visible)continue;e=="mousedown"&&d[h]._activate.call(d[h],c),d[h].offset=d[h].element.offset(),d[h].proportions={width:d[h].element[0].offsetWidth,height:d[h].element[0].offsetHeight}}},drop:function(b,c){var d=!1;return a.each(a.ui.ddmanager.droppables[b.options.scope]||[],function(){if(!this.options)return;!this.options.disabled&&this.visible&&a.ui.intersect(b,this,this.options.tolerance)&&(d=this._drop.call(this,c)||d),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],b.currentItem||b.element)&&(this.isout=1,this.isover=0,this._deactivate.call(this,c))}),d},dragStart:function(b,c){b.element.parents(":not(body,html)").bind("scroll.droppable",function(){b.options.refreshPositions||a.ui.ddmanager.prepareOffsets(b,c)})},drag:function(b,c){b.options.refreshPositions&&a.ui.ddmanager.prepareOffsets(b,c),a.each(a.ui.ddmanager.droppables[b.options.scope]||[],function(){if(this.options.disabled||this.greedyChild||!this.visible)return;var d=a.ui.intersect(b,this,this.options.tolerance),e=!d&&this.isover==1?"isout":d&&this.isover==0?"isover":null;if(!e)return;var f;if(this.options.greedy){var g=this.element.parents(":data(droppable):eq(0)");g.length&&(f=a.data(g[0],"droppable"),f.greedyChild=e=="isover"?1:0)}f&&e=="isover"&&(f.isover=0,f.isout=1,f._out.call(f,c)),this[e]=1,this[e=="isout"?"isover":"isout"]=0,this[e=="isover"?"_over":"_out"].call(this,c),f&&e=="isout"&&(f.isout=0,f.isover=1,f._over.call(f,c))})},dragStop:function(b,c){b.element.parents(":not(body,html)").unbind("scroll.droppable"),b.options.refreshPositions||a.ui.ddmanager.prepareOffsets(b,c)}}}(jQuery),function(a,b){a.widget("ui.resizable",a.ui.mouse,{widgetEventPrefix:"resize",options:{alsoResize:!1,animate:!1,animateDuration:"slow",animateEasing:"swing",aspectRatio:!1,autoHide:!1,containment:!1,ghost:!1,grid:!1,handles:"e,s,se",helper:!1,maxHeight:null,maxWidth:null,minHeight:10,minWidth:10,zIndex:1e3},_create:function(){var b=this,c=this.options;this.element.addClass("ui-resizable"),a.extend(this,{_aspectRatio:!!c.aspectRatio,aspectRatio:c.aspectRatio,originalElement:this.element,_proportionallyResizeElements:[],_helper:c.helper||c.ghost||c.animate?c.helper||"ui-resizable-helper":null}),this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)&&(this.element.wrap(a('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({position:this.element.css("position"),width:this.element.outerWidth(),height:this.element.outerHeight(),top:this.element.css("top"),left:this.element.css("left")})),this.element=this.element.parent().data("resizable",this.element.data("resizable")),this.elementIsWrapper=!0,this.element.css({marginLeft:this.originalElement.css("marginLeft"),marginTop:this.originalElement.css("marginTop"),marginRight:this.originalElement.css("marginRight"),marginBottom:this.originalElement.css("marginBottom")}),this.originalElement.css({marginLeft:0,marginTop:0,marginRight:0,marginBottom:0}),this.originalResizeStyle=this.originalElement.css("resize"),this.originalElement.css("resize","none"),this._proportionallyResizeElements.push(this.originalElement.css({position:"static",zoom:1,display:"block"})),this.originalElement.css({margin:this.originalElement.css("margin")}),this._proportionallyResize()),this.handles=c.handles||(a(".ui-resizable-handle",this.element).length?{n:".ui-resizable-n",e:".ui-resizable-e",s:".ui-resizable-s",w:".ui-resizable-w",se:".ui-resizable-se",sw:".ui-resizable-sw",ne:".ui-resizable-ne",nw:".ui-resizable-nw"}:"e,s,se");if(this.handles.constructor==String){this.handles=="all"&&(this.handles="n,e,s,w,se,sw,ne,nw");var d=this.handles.split(",");this.handles={};for(var e=0;e<d.length;e++){var f=a.trim(d[e]),g="ui-resizable-"+f,h=a('<div class="ui-resizable-handle '+g+'"></div>');h.css({zIndex:c.zIndex}),"se"==f&&h.addClass("ui-icon ui-icon-gripsmall-diagonal-se"),this.handles[f]=".ui-resizable-"+f,this.element.append(h)}}this._renderAxis=function(b){b=b||this.element;for(var c in this.handles){this.handles[c].constructor==String&&(this.handles[c]=a(this.handles[c],this.element).show());if(this.elementIsWrapper&&this.originalElement[0].nodeName.match(/textarea|input|select|button/i)){var d=a(this.handles[c],this.element),e=0;e=/sw|ne|nw|se|n|s/.test(c)?d.outerHeight():d.outerWidth();var f=["padding",/ne|nw|n/.test(c)?"Top":/se|sw|s/.test(c)?"Bottom":/^e$/.test(c)?"Right":"Left"].join("");b.css(f,e),this._proportionallyResize()}if(!a(this.handles[c]).length)continue}},this._renderAxis(this.element),this._handles=a(".ui-resizable-handle",this.element).disableSelection(),this._handles.mouseover(function(){if(!b.resizing){if(this.className)var a=this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);b.axis=a&&a[1]?a[1]:"se"}}),c.autoHide&&(this._handles.hide(),a(this.element).addClass("ui-resizable-autohide").hover(function(){if(c.disabled)return;a(this).removeClass("ui-resizable-autohide"),b._handles.show()},function(){if(c.disabled)return;b.resizing||(a(this).addClass("ui-resizable-autohide"),b._handles.hide())})),this._mouseInit()},destroy:function(){this._mouseDestroy();var b=function(b){a(b).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing").removeData("resizable").unbind(".resizable").find(".ui-resizable-handle").remove()};if(this.elementIsWrapper){b(this.element);var c=this.element;c.after(this.originalElement.css({position:c.css("position"),width:c.outerWidth(),height:c.outerHeight(),top:c.css("top"),left:c.css("left")})).remove()}return this.originalElement.css("resize",this.originalResizeStyle),b(this.originalElement),this},_mouseCapture:function(b){var c=!1;for(var d in this.handles)a(this.handles[d])[0]==b.target&&(c=!0);return!this.options.disabled&&c},_mouseStart:function(b){var d=this.options,e=this.element.position(),f=this.element;this.resizing=!0,this.documentScroll={top:a(document).scrollTop(),left:a(document).scrollLeft()},(f.is(".ui-draggable")||/absolute/.test(f.css("position")))&&f.css({position:"absolute",top:e.top,left:e.left}),this._renderProxy();var g=c(this.helper.css("left")),h=c(this.helper.css("top"));d.containment&&(g+=a(d.containment).scrollLeft()||0,h+=a(d.containment).scrollTop()||0),this.offset=this.helper.offset(),this.position={left:g,top:h},this.size=this._helper?{width:f.outerWidth(),height:f.outerHeight()}:{width:f.width(),height:f.height()},this.originalSize=this._helper?{width:f.outerWidth(),height:f.outerHeight()}:{width:f.width(),height:f.height()},this.originalPosition={left:g,top:h},this.sizeDiff={width:f.outerWidth()-f.width(),height:f.outerHeight()-f.height()},this.originalMousePosition={left:b.pageX,top:b.pageY},this.aspectRatio=typeof d.aspectRatio=="number"?d.aspectRatio:this.originalSize.width/this.originalSize.height||1;var i=a(".ui-resizable-"+this.axis).css("cursor");return a("body").css("cursor",i=="auto"?this.axis+"-resize":i),f.addClass("ui-resizable-resizing"),this._propagate("start",b),!0},_mouseDrag:function(b){var c=this.helper,d=this.options,e={},f=this,g=this.originalMousePosition,h=this.axis,i=b.pageX-g.left||0,j=b.pageY-g.top||0,k=this._change[h];if(!k)return!1;var l=k.apply(this,[b,i,j]),m=a.browser.msie&&a.browser.version<7,n=this.sizeDiff;this._updateVirtualBoundaries(b.shiftKey);if(this._aspectRatio||b.shiftKey)l=this._updateRatio(l,b);return l=this._respectSize(l,b),this._propagate("resize",b),c.css({top:this.position.top+"px",left:this.position.left+"px",width:this.size.width+"px",height:this.size.height+"px"}),!this._helper&&this._proportionallyResizeElements.length&&this._proportionallyResize(),this._updateCache(l),this._trigger("resize",b,this.ui()),!1},_mouseStop:function(b){this.resizing=!1;var c=this.options,d=this;if(this._helper){var e=this._proportionallyResizeElements,f=e.length&&/textarea/i.test(e[0].nodeName),g=f&&a.ui.hasScroll(e[0],"left")?0:d.sizeDiff.height,h=f?0:d.sizeDiff.width,i={width:d.helper.width()-h,height:d.helper.height()-g},j=parseInt(d.element.css("left"),10)+(d.position.left-d.originalPosition.left)||null,k=parseInt(d.element.css("top"),10)+(d.position.top-d.originalPosition.top)||null;c.animate||this.element.css(a.extend(i,{top:k,left:j})),d.helper.height(d.size.height),d.helper.width(d.size.width),this._helper&&!c.animate&&this._proportionallyResize()}return a("body").css("cursor","auto"),this.element.removeClass("ui-resizable-resizing"),this._propagate("stop",b),this._helper&&this.helper.remove(),!1},_updateVirtualBoundaries:function(a){var b=this.options,c,e,f,g,h;h={minWidth:d(b.minWidth)?b.minWidth:0,maxWidth:d(b.maxWidth)?b.maxWidth:Infinity,minHeight:d(b.minHeight)?b.minHeight:0,maxHeight:d(b.maxHeight)?b.maxHeight:Infinity};if(this._aspectRatio||a)c=h.minHeight*this.aspectRatio,f=h.minWidth/this.aspectRatio,e=h.maxHeight*this.aspectRatio,g=h.maxWidth/this.aspectRatio,c>h.minWidth&&(h.minWidth=c),f>h.minHeight&&(h.minHeight=f),e<h.maxWidth&&(h.maxWidth=e),g<h.maxHeight&&(h.maxHeight=g);this._vBoundaries=h},_updateCache:function(a){var b=this.options;this.offset=this.helper.offset(),d(a.left)&&(this.position.left=a.left),d(a.top)&&(this.position.top=a.top),d(a.height)&&(this.size.height=a.height),d(a.width)&&(this.size.width=a.width)},_updateRatio:function(a,b){var c=this.options,e=this.position,f=this.size,g=this.axis;return d(a.height)?a.width=a.height*this.aspectRatio:d(a.width)&&(a.height=a.width/this.aspectRatio),g=="sw"&&(a.left=e.left+(f.width-a.width),a.top=null),g=="nw"&&(a.top=e.top+(f.height-a.height),a.left=e.left+(f.width-a.width)),a},_respectSize:function(a,b){var c=this.helper,e=this._vBoundaries,f=this._aspectRatio||b.shiftKey,g=this.axis,h=d(a.width)&&e.maxWidth&&e.maxWidth<a.width,i=d(a.height)&&e.maxHeight&&e.maxHeight<a.height,j=d(a.width)&&e.minWidth&&e.minWidth>a.width,k=d(a.height)&&e.minHeight&&e.minHeight>a.height;j&&(a.width=e.minWidth),k&&(a.height=e.minHeight),h&&(a.width=e.maxWidth),i&&(a.height=e.maxHeight);var l=this.originalPosition.left+this.originalSize.width,m=this.position.top+this.size.height,n=/sw|nw|w/.test(g),o=/nw|ne|n/.test(g);j&&n&&(a.left=l-e.minWidth),h&&n&&(a.left=l-e.maxWidth),k&&o&&(a.top=m-e.minHeight),i&&o&&(a.top=m-e.maxHeight);var p=!a.width&&!a.height;return p&&!a.left&&a.top?a.top=null:p&&!a.top&&a.left&&(a.left=null),a},_proportionallyResize:function(){var b=this.options;if(!this._proportionallyResizeElements.length)return;var c=this.helper||this.element;for(var d=0;d<this._proportionallyResizeElements.length;d++){var e=this._proportionallyResizeElements[d];if(!this.borderDif){var f=[e.css("borderTopWidth"),e.css("borderRightWidth"),e.css("borderBottomWidth"),e.css("borderLeftWidth")],g=[e.css("paddingTop"),e.css("paddingRight"),e.css("paddingBottom"),e.css("paddingLeft")];this.borderDif=a.map(f,function(a,b){var c=parseInt(a,10)||0,d=parseInt(g[b],10)||0;return c+d})}if(!a.browser.msie||!a(c).is(":hidden")&&!a(c).parents(":hidden").length)e.css({height:c.height()-this.borderDif[0]-this.borderDif[2]||0,width:c.width()-this.borderDif[1]-this.borderDif[3]||0});else continue}},_renderProxy:function(){var b=this.element,c=this.options;this.elementOffset=b.offset();if(this._helper){this.helper=this.helper||a('<div 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d=a(this).data("resizable"),e=d.options,f=d._proportionallyResizeElements,g=f.length&&/textarea/i.test(f[0].nodeName),h=g&&a.ui.hasScroll(f[0],"left")?0:d.sizeDiff.height,i=g?0:d.sizeDiff.width,j={width:d.size.width-i,height:d.size.height-h},k=parseInt(d.element.css("left"),10)+(d.position.left-d.originalPosition.left)||null,l=parseInt(d.element.css("top"),10)+(d.position.top-d.originalPosition.top)||null;d.element.animate(a.extend(j,l&&k?{top:l,left:k}:{}),{duration:e.animateDuration,easing:e.animateEasing,step:function(){var c={width:parseInt(d.element.css("width"),10),height:parseInt(d.element.css("height"),10),top:parseInt(d.element.css("top"),10),left:parseInt(d.element.css("left"),10)};f&&f.length&&a(f[0]).css({width:c.width,height:c.height}),d._updateCache(c),d._propagate("resize",b)}})}}),a.ui.plugin.add("resizable","containment",{start:function(b,d){var e=a(this).data("resizable"),f=e.options,g=e.element,h=f.containment,i=h instanceof 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m=Math.abs((d._helper?d.offset.left-k.left:d.offset.left-k.left)+d.sizeDiff.width),n=Math.abs((d._helper?d.offset.top-k.top:d.offset.top-g.top)+d.sizeDiff.height),o=d.containerElement.get(0)==d.element.parent().get(0),p=/relative|absolute/.test(d.containerElement.css("position"));o&&p&&(m-=d.parentData.left),m+d.size.width>=d.parentData.width&&(d.size.width=d.parentData.width-m,j&&(d.size.height=d.size.width/d.aspectRatio)),n+d.size.height>=d.parentData.height&&(d.size.height=d.parentData.height-n,j&&(d.size.width=d.size.height*d.aspectRatio))},stop:function(b,c){var d=a(this).data("resizable"),e=d.options,f=d.position,g=d.containerOffset,h=d.containerPosition,i=d.containerElement,j=a(d.helper),k=j.offset(),l=j.outerWidth()-d.sizeDiff.width,m=j.outerHeight()-d.sizeDiff.height;d._helper&&!e.animate&&/relative/.test(i.css("position"))&&a(this).css({left:k.left-h.left-g.left,width:l,height:m}),d._helper&&!e.animate&&/static/.test(i.css("position"))&&a(this).css({left:k.left-h.left-g.left,width:l,height:m})}}),a.ui.plugin.add("resizable","ghost",{start:function(b,c){var d=a(this).data("resizable"),e=d.options,f=d.size;d.ghost=d.originalElement.clone(),d.ghost.css({opacity:.25,display:"block",position:"relative",height:f.height,width:f.width,margin:0,left:0,top:0}).addClass("ui-resizable-ghost").addClass(typeof e.ghost=="string"?e.ghost:""),d.ghost.appendTo(d.helper)},resize:function(b,c){var d=a(this).data("resizable"),e=d.options;d.ghost&&d.ghost.css({position:"relative",height:d.size.height,width:d.size.width})},stop:function(b,c){var d=a(this).data("resizable"),e=d.options;d.ghost&&d.helper&&d.helper.get(0).removeChild(d.ghost.get(0))}}),a.ui.plugin.add("resizable","grid",{resize:function(b,c){var d=a(this).data("resizable"),e=d.options,f=d.size,g=d.originalSize,h=d.originalPosition,i=d.axis,j=e._aspectRatio||b.shiftKey;e.grid=typeof e.grid=="number"?[e.grid,e.grid]:e.grid;var k=Math.round((f.width-g.width)/(e.grid[0]||1))*(e.grid[0]||1),l=Math.round((f.height-g.height)/(e.grid[1]||1))*(e.grid[1]||1);/^(se|s|e)$/.test(i)?(d.size.width=g.width+k,d.size.height=g.height+l):/^(ne)$/.test(i)?(d.size.width=g.width+k,d.size.height=g.height+l,d.position.top=h.top-l):/^(sw)$/.test(i)?(d.size.width=g.width+k,d.size.height=g.height+l,d.position.left=h.left-k):(d.size.width=g.width+k,d.size.height=g.height+l,d.position.top=h.top-l,d.position.left=h.left-k)}});var c=function(a){return parseInt(a,10)||0},d=function(a){return!isNaN(parseInt(a,10))}}(jQuery),function(a,b){a.widget("ui.selectable",a.ui.mouse,{options:{appendTo:"body",autoRefresh:!0,distance:0,filter:"*",tolerance:"touch"},_create:function(){var b=this;this.element.addClass("ui-selectable"),this.dragged=!1;var c;this.refresh=function(){c=a(b.options.filter,b.element[0]),c.addClass("ui-selectee"),c.each(function(){var b=a(this),c=b.offset();a.data(this,"selectable-item",{element:this,$element:b,left:c.left,top:c.top,right:c.left+b.outerWidth(),bottom:c.top+b.outerHeight(),startselected:!1,selected:b.hasClass("ui-selected"),selecting:b.hasClass("ui-selecting"),unselecting:b.hasClass("ui-unselecting")})})},this.refresh(),this.selectees=c.addClass("ui-selectee"),this._mouseInit(),this.helper=a("<div class='ui-selectable-helper'></div>")},destroy:function(){return this.selectees.removeClass("ui-selectee").removeData("selectable-item"),this.element.removeClass("ui-selectable ui-selectable-disabled").removeData("selectable").unbind(".selectable"),this._mouseDestroy(),this},_mouseStart:function(b){var c=this;this.opos=[b.pageX,b.pageY];if(this.options.disabled)return;var d=this.options;this.selectees=a(d.filter,this.element[0]),this._trigger("start",b),a(d.appendTo).append(this.helper),this.helper.css({left:b.clientX,top:b.clientY,width:0,height:0}),d.autoRefresh&&this.refresh(),this.selectees.filter(".ui-selected").each(function(){var d=a.data(this,"selectable-item");d.startselected=!0,!b.metaKey&&!b.ctrlKey&&(d.$element.removeClass("ui-selected"),d.selected=!1,d.$element.addClass("ui-unselecting"),d.unselecting=!0,c._trigger("unselecting",b,{unselecting:d.element}))}),a(b.target).parents().andSelf().each(function(){var d=a.data(this,"selectable-item");if(d){var e=!b.metaKey&&!b.ctrlKey||!d.$element.hasClass("ui-selected");return d.$element.removeClass(e?"ui-unselecting":"ui-selected").addClass(e?"ui-selecting":"ui-unselecting"),d.unselecting=!e,d.selecting=e,d.selected=e,e?c._trigger("selecting",b,{selecting:d.element}):c._trigger("unselecting",b,{unselecting:d.element}),!1}})},_mouseDrag:function(b){var c=this;this.dragged=!0;if(this.options.disabled)return;var d=this.options,e=this.opos[0],f=this.opos[1],g=b.pageX,h=b.pageY;if(e>g){var i=g;g=e,e=i}if(f>h){var i=h;h=f,f=i}return this.helper.css({left:e,top:f,width:g-e,height:h-f}),this.selectees.each(function(){var i=a.data(this,"selectable-item");if(!i||i.element==c.element[0])return;var j=!1;d.tolerance=="touch"?j=!(i.left>g||i.right<e||i.top>h||i.bottom<f):d.tolerance=="fit"&&(j=i.left>e&&i.right<g&&i.top>f&&i.bottom<h),j?(i.selected&&(i.$element.removeClass("ui-selected"),i.selected=!1),i.unselecting&&(i.$element.removeClass("ui-unselecting"),i.unselecting=!1),i.selecting||(i.$element.addClass("ui-selecting"),i.selecting=!0,c._trigger("selecting",b,{selecting:i.element}))):(i.selecting&&((b.metaKey||b.ctrlKey)&&i.startselected?(i.$element.removeClass("ui-selecting"),i.selecting=!1,i.$element.addClass("ui-selected"),i.selected=!0):(i.$element.removeClass("ui-selecting"),i.selecting=!1,i.startselected&&(i.$element.addClass("ui-unselecting"),i.unselecting=!0),c._trigger("unselecting",b,{unselecting:i.element}))),i.selected&&!b.metaKey&&!b.ctrlKey&&!i.startselected&&(i.$element.removeClass("ui-selected"),i.selected=!1,i.$element.addClass("ui-unselecting"),i.unselecting=!0,c._trigger("unselecting",b,{unselecting:i.element})))}),!1},_mouseStop:function(b){var c=this;this.dragged=!1;var d=this.options;return a(".ui-unselecting",this.element[0]).each(function(){var d=a.data(this,"selectable-item");d.$element.removeClass("ui-unselecting"),d.unselecting=!1,d.startselected=!1,c._trigger("unselected",b,{unselected:d.element})}),a(".ui-selecting",this.element[0]).each(function(){var d=a.data(this,"selectable-item");d.$element.removeClass("ui-selecting").addClass("ui-selected"),d.selecting=!1,d.selected=!0,d.startselected=!0,c._trigger("selected",b,{selected:d.element})}),this._trigger("stop",b),this.helper.remove(),!1}}),a.extend(a.ui.selectable,{version:"1.8.21"})}(jQuery),function(a,b){a.widget("ui.sortable",a.ui.mouse,{widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1e3},_create:function(){var a=this.options;this.containerCache={},this.element.addClass("ui-sortable"),this.refresh(),this.floating=this.items.length?a.axis==="x"||/left|right/.test(this.items[0].item.css("float"))||/inline|table-cell/.test(this.items[0].item.css("display")):!1,this.offset=this.element.offset(),this._mouseInit(),this.ready=!0},destroy:function(){a.Widget.prototype.destroy.call(this),this.element.removeClass("ui-sortable ui-sortable-disabled"),this._mouseDestroy();for(var b=this.items.length-1;b>=0;b--)this.items[b].item.removeData(this.widgetName+"-item");return this},_setOption:function(b,c){b==="disabled"?(this.options[b]=c,this.widget()[c?"addClass":"removeClass"]("ui-sortable-disabled")):a.Widget.prototype._setOption.apply(this,arguments)},_mouseCapture:function(b,c){var d=this;if(this.reverting)return!1;if(this.options.disabled||this.options.type=="static")return!1;this._refreshItems(b);var e=null,f=this,g=a(b.target).parents().each(function(){if(a.data(this,d.widgetName+"-item")==f)return e=a(this),!1});a.data(b.target,d.widgetName+"-item")==f&&(e=a(b.target));if(!e)return!1;if(this.options.handle&&!c){var h=!1;a(this.options.handle,e).find("*").andSelf().each(function(){this==b.target&&(h=!0)});if(!h)return!1}return this.currentItem=e,this._removeCurrentsFromItems(),!0},_mouseStart:function(b,c,d){var e=this.options,f=this;this.currentContainer=this,this.refreshPositions(),this.helper=this._createHelper(b),this._cacheHelperProportions(),this._cacheMargins(),this.scrollParent=this.helper.scrollParent(),this.offset=this.currentItem.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},a.extend(this.offset,{click:{left:b.pageX-this.offset.left,top:b.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.helper.css("position","absolute"),this.cssPosition=this.helper.css("position"),this.originalPosition=this._generatePosition(b),this.originalPageX=b.pageX,this.originalPageY=b.pageY,e.cursorAt&&this._adjustOffsetFromHelper(e.cursorAt),this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]},this.helper[0]!=this.currentItem[0]&&this.currentItem.hide(),this._createPlaceholder(),e.containment&&this._setContainment(),e.cursor&&(a("body").css("cursor")&&(this._storedCursor=a("body").css("cursor")),a("body").css("cursor",e.cursor)),e.opacity&&(this.helper.css("opacity")&&(this._storedOpacity=this.helper.css("opacity")),this.helper.css("opacity",e.opacity)),e.zIndex&&(this.helper.css("zIndex")&&(this._storedZIndex=this.helper.css("zIndex")),this.helper.css("zIndex",e.zIndex)),this.scrollParent[0]!=document&&this.scrollParent[0].tagName!="HTML"&&(this.overflowOffset=this.scrollParent.offset()),this._trigger("start",b,this._uiHash()),this._preserveHelperProportions||this._cacheHelperProportions();if(!d)for(var g=this.containers.length-1;g>=0;g--)this.containers[g]._trigger("activate",b,f._uiHash(this));return a.ui.ddmanager&&(a.ui.ddmanager.current=this),a.ui.ddmanager&&!e.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b),this.dragging=!0,this.helper.addClass("ui-sortable-helper"),this._mouseDrag(b),!0},_mouseDrag:function(b){this.position=this._generatePosition(b),this.positionAbs=this._convertPositionTo("absolute"),this.lastPositionAbs||(this.lastPositionAbs=this.positionAbs);if(this.options.scroll){var c=this.options,d=!1;this.scrollParent[0]!=document&&this.scrollParent[0].tagName!="HTML"?(this.overflowOffset.top+this.scrollParent[0].offsetHeight-b.pageY<c.scrollSensitivity?this.scrollParent[0].scrollTop=d=this.scrollParent[0].scrollTop+c.scrollSpeed:b.pageY-this.overflowOffset.top<c.scrollSensitivity&&(this.scrollParent[0].scrollTop=d=this.scrollParent[0].scrollTop-c.scrollSpeed),this.overflowOffset.left+this.scrollParent[0].offsetWidth-b.pageX<c.scrollSensitivity?this.scrollParent[0].scrollLeft=d=this.scrollParent[0].scrollLeft+c.scrollSpeed:b.pageX-this.overflowOffset.left<c.scrollSensitivity&&(this.scrollParent[0].scrollLeft=d=this.scrollParent[0].scrollLeft-c.scrollSpeed)):(b.pageY-a(document).scrollTop()<c.scrollSensitivity?d=a(document).scrollTop(a(document).scrollTop()-c.scrollSpeed):a(window).height()-(b.pageY-a(document).scrollTop())<c.scrollSensitivity&&(d=a(document).scrollTop(a(document).scrollTop()+c.scrollSpeed)),b.pageX-a(document).scrollLeft()<c.scrollSensitivity?d=a(document).scrollLeft(a(document).scrollLeft()-c.scrollSpeed):a(window).width()-(b.pageX-a(document).scrollLeft())<c.scrollSensitivity&&(d=a(document).scrollLeft(a(document).scrollLeft()+c.scrollSpeed))),d!==!1&&a.ui.ddmanager&&!c.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b)}this.positionAbs=this._convertPositionTo("absolute");if(!this.options.axis||this.options.axis!="y")this.helper[0].style.left=this.position.left+"px";if(!this.options.axis||this.options.axis!="x")this.helper[0].style.top=this.position.top+"px";for(var e=this.items.length-1;e>=0;e--){var f=this.items[e],g=f.item[0],h=this._intersectsWithPointer(f);if(!h)continue;if(g!=this.currentItem[0]&&this.placeholder[h==1?"next":"prev"]()[0]!=g&&!a.ui.contains(this.placeholder[0],g)&&(this.options.type=="semi-dynamic"?!a.ui.contains(this.element[0],g):!0)){this.direction=h==1?"down":"up";if(this.options.tolerance=="pointer"||this._intersectsWithSides(f))this._rearrange(b,f);else break;this._trigger("change",b,this._uiHash());break}}return this._contactContainers(b),a.ui.ddmanager&&a.ui.ddmanager.drag(this,b),this._trigger("sort",b,this._uiHash()),this.lastPositionAbs=this.positionAbs,!1},_mouseStop:function(b,c){if(!b)return;a.ui.ddmanager&&!this.options.dropBehaviour&&a.ui.ddmanager.drop(this,b);if(this.options.revert){var d=this,e=d.placeholder.offset();d.reverting=!0,a(this.helper).animate({left:e.left-this.offset.parent.left-d.margins.left+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollLeft),top:e.top-this.offset.parent.top-d.margins.top+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollTop)},parseInt(this.options.revert,10)||500,function(){d._clear(b)})}else this._clear(b,c);return!1},cancel:function(){var b=this;if(this.dragging){this._mouseUp({target:null}),this.options.helper=="original"?this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper"):this.currentItem.show();for(var c=this.containers.length-1;c>=0;c--)this.containers[c]._trigger("deactivate",null,b._uiHash(this)),this.containers[c].containerCache.over&&(this.containers[c]._trigger("out",null,b._uiHash(this)),this.containers[c].containerCache.over=0)}return this.placeholder&&(this.placeholder[0].parentNode&&this.placeholder[0].parentNode.removeChild(this.placeholder[0]),this.options.helper!="original"&&this.helper&&this.helper[0].parentNode&&this.helper.remove(),a.extend(this,{helper:null,dragging:!1,reverting:!1,_noFinalSort:null}),this.domPosition.prev?a(this.domPosition.prev).after(this.currentItem):a(this.domPosition.parent).prepend(this.currentItem)),this},serialize:function(b){var c=this._getItemsAsjQuery(b&&b.connected),d=[];return b=b||{},a(c).each(function(){var c=(a(b.item||this).attr(b.attribute||"id")||"").match(b.expression||/(.+)[-=_](.+)/);c&&d.push((b.key||c[1]+"[]")+"="+(b.key&&b.expression?c[1]:c[2]))}),!d.length&&b.key&&d.push(b.key+"="),d.join("&")},toArray:function(b){var c=this._getItemsAsjQuery(b&&b.connected),d=[];return b=b||{},c.each(function(){d.push(a(b.item||this).attr(b.attribute||"id")||"")}),d},_intersectsWith:function(a){var b=this.positionAbs.left,c=b+this.helperProportions.width,d=this.positionAbs.top,e=d+this.helperProportions.height,f=a.left,g=f+a.width,h=a.top,i=h+a.height,j=this.offset.click.top,k=this.offset.click.left,l=d+j>h&&d+j<i&&b+k>f&&b+k<g;return this.options.tolerance=="pointer"||this.options.forcePointerForContainers||this.options.tolerance!="pointer"&&this.helperProportions[this.floating?"width":"height"]>a[this.floating?"width":"height"]?l:f<b+this.helperProportions.width/2&&c-this.helperProportions.width/2<g&&h<d+this.helperProportions.height/2&&e-this.helperProportions.height/2<i},_intersectsWithPointer:function(b){var c=this.options.axis==="x"||a.ui.isOverAxis(this.positionAbs.top+this.offset.click.top,b.top,b.height),d=this.options.axis==="y"||a.ui.isOverAxis(this.positionAbs.left+this.offset.click.left,b.left,b.width),e=c&&d,f=this._getDragVerticalDirection(),g=this._getDragHorizontalDirection();return e?this.floating?g&&g=="right"||f=="down"?2:1:f&&(f=="down"?2:1):!1},_intersectsWithSides:function(b){var c=a.ui.isOverAxis(this.positionAbs.top+this.offset.click.top,b.top+b.height/2,b.height),d=a.ui.isOverAxis(this.positionAbs.left+this.offset.click.left,b.left+b.width/2,b.width),e=this._getDragVerticalDirection(),f=this._getDragHorizontalDirection();return this.floating&&f?f=="right"&&d||f=="left"&&!d:e&&(e=="down"&&c||e=="up"&&!c)},_getDragVerticalDirection:function(){var a=this.positionAbs.top-this.lastPositionAbs.top;return a!=0&&(a>0?"down":"up")},_getDragHorizontalDirection:function(){var a=this.positionAbs.left-this.lastPositionAbs.left;return a!=0&&(a>0?"right":"left")},refresh:function(a){return this._refreshItems(a),this.refreshPositions(),this},_connectWith:function(){var a=this.options;return a.connectWith.constructor==String?[a.connectWith]:a.connectWith},_getItemsAsjQuery:function(b){var c=this,d=[],e=[],f=this._connectWith();if(f&&b)for(var g=f.length-1;g>=0;g--){var h=a(f[g]);for(var i=h.length-1;i>=0;i--){var j=a.data(h[i],this.widgetName);j&&j!=this&&!j.options.disabled&&e.push([a.isFunction(j.options.items)?j.options.items.call(j.element):a(j.options.items,j.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),j])}}e.push([a.isFunction(this.options.items)?this.options.items.call(this.element,null,{options:this.options,item:this.currentItem}):a(this.options.items,this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),this]);for(var g=e.length-1;g>=0;g--)e[g][0].each(function(){d.push(this)});return a(d)},_removeCurrentsFromItems:function(){var a=this.currentItem.find(":data("+this.widgetName+"-item)");for(var b=0;b<this.items.length;b++)for(var c=0;c<a.length;c++)a[c]==this.items[b].item[0]&&this.items.splice(b,1)},_refreshItems:function(b){this.items=[],this.containers=[this];var c=this.items,d=this,e=[[a.isFunction(this.options.items)?this.options.items.call(this.element[0],b,{item:this.currentItem}):a(this.options.items,this.element),this]],f=this._connectWith();if(f&&this.ready)for(var g=f.length-1;g>=0;g--){var h=a(f[g]);for(var i=h.length-1;i>=0;i--){var j=a.data(h[i],this.widgetName);j&&j!=this&&!j.options.disabled&&(e.push([a.isFunction(j.options.items)?j.options.items.call(j.element[0],b,{item:this.currentItem}):a(j.options.items,j.element),j]),this.containers.push(j))}}for(var g=e.length-1;g>=0;g--){var k=e[g][1],l=e[g][0];for(var i=0,m=l.length;i<m;i++){var n=a(l[i]);n.data(this.widgetName+"-item",k),c.push({item:n,instance:k,width:0,height:0,left:0,top:0})}}},refreshPositions:function(b){this.offsetParent&&this.helper&&(this.offset.parent=this._getParentOffset());for(var c=this.items.length-1;c>=0;c--){var d=this.items[c];if(d.instance!=this.currentContainer&&this.currentContainer&&d.item[0]!=this.currentItem[0])continue;var e=this.options.toleranceElement?a(this.options.toleranceElement,d.item):d.item;b||(d.width=e.outerWidth(),d.height=e.outerHeight());var f=e.offset();d.left=f.left,d.top=f.top}if(this.options.custom&&this.options.custom.refreshContainers)this.options.custom.refreshContainers.call(this);else for(var c=this.containers.length-1;c>=0;c--){var f=this.containers[c].element.offset();this.containers[c].containerCache.left=f.left,this.containers[c].containerCache.top=f.top,this.containers[c].containerCache.width=this.containers[c].element.outerWidth(),this.containers[c].containerCache.height=this.containers[c].element.outerHeight()}return this},_createPlaceholder:function(b){var c=b||this,d=c.options;if(!d.placeholder||d.placeholder.constructor==String){var e=d.placeholder;d.placeholder={element:function(){var b=a(document.createElement(c.currentItem[0].nodeName)).addClass(e||c.currentItem[0].className+" ui-sortable-placeholder").removeClass("ui-sortable-helper")[0];return e||(b.style.visibility="hidden"),b},update:function(a,b){if(e&&!d.forcePlaceholderSize)return;b.height()||b.height(c.currentItem.innerHeight()-parseInt(c.currentItem.css("paddingTop")||0,10)-parseInt(c.currentItem.css("paddingBottom")||0,10)),b.width()||b.width(c.currentItem.innerWidth()-parseInt(c.currentItem.css("paddingLeft")||0,10)-parseInt(c.currentItem.css("paddingRight")||0,10))}}}c.placeholder=a(d.placeholder.element.call(c.element,c.currentItem)),c.currentItem.after(c.placeholder),d.placeholder.update(c,c.placeholder)},_contactContainers:function(b){var c=null,d=null;for(var e=this.containers.length-1;e>=0;e--){if(a.ui.contains(this.currentItem[0],this.containers[e].element[0]))continue;if(this._intersectsWith(this.containers[e].containerCache)){if(c&&a.ui.contains(this.containers[e].element[0],c.element[0]))continue;c=this.containers[e],d=e}else this.containers[e].containerCache.over&&(this.containers[e]._trigger("out",b,this._uiHash(this)),this.containers[e].containerCache.over=0)}if(!c)return;if(this.containers.length===1)this.containers[d]._trigger("over",b,this._uiHash(this)),this.containers[d].containerCache.over=1;else if(this.currentContainer!=this.containers[d]){var f=1e4,g=null,h=this.positionAbs[this.containers[d].floating?"left":"top"];for(var i=this.items.length-1;i>=0;i--){if(!a.ui.contains(this.containers[d].element[0],this.items[i].item[0]))continue;var j=this.containers[d].floating?this.items[i].item.offset().left:this.items[i].item.offset().top;Math.abs(j-h)<f&&(f=Math.abs(j-h),g=this.items[i],this.direction=j-h>0?"down":"up")}if(!g&&!this.options.dropOnEmpty)return;this.currentContainer=this.containers[d],g?this._rearrange(b,g,null,!0):this._rearrange(b,null,this.containers[d].element,!0),this._trigger("change",b,this._uiHash()),this.containers[d]._trigger("change",b,this._uiHash(this)),this.options.placeholder.update(this.currentContainer,this.placeholder),this.containers[d]._trigger("over",b,this._uiHash(this)),this.containers[d].containerCache.over=1}},_createHelper:function(b){var c=this.options,d=a.isFunction(c.helper)?a(c.helper.apply(this.element[0],[b,this.currentItem])):c.helper=="clone"?this.currentItem.clone():this.currentItem;return d.parents("body").length||a(c.appendTo!="parent"?c.appendTo:this.currentItem[0].parentNode)[0].appendChild(d[0]),d[0]==this.currentItem[0]&&(this._storedCSS={width:this.currentItem[0].style.width,height:this.currentItem[0].style.height,position:this.currentItem.css("position"),top:this.currentItem.css("top"),left:this.currentItem.css("left")}),(d[0].style.width==""||c.forceHelperSize)&&d.width(this.currentItem.width()),(d[0].style.height==""||c.forceHelperSize)&&d.height(this.currentItem.height()),d},_adjustOffsetFromHelper:function(b){typeof b=="string"&&(b=b.split(" ")),a.isArray(b)&&(b={left:+b[0],top:+b[1]||0}),"left"in b&&(this.offset.click.left=b.left+this.margins.left),"right"in b&&(this.offset.click.left=this.helperProportions.width-b.right+this.margins.left),"top"in b&&(this.offset.click.top=b.top+this.margins.top),"bottom"in b&&(this.offset.click.top=this.helperProportions.height-b.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var b=this.offsetParent.offset();this.cssPosition=="absolute"&&this.scrollParent[0]!=document&&a.ui.contains(this.scrollParent[0],this.offsetParent[0])&&(b.left+=this.scrollParent.scrollLeft(),b.top+=this.scrollParent.scrollTop());if(this.offsetParent[0]==document.body||this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=="html"&&a.browser.msie)b={top:0,left:0};return{top:b.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:b.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition=="relative"){var a=this.currentItem.position();return{top:a.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:a.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left:0}},_cacheMargins:function(){this.margins={left:parseInt(this.currentItem.css("marginLeft"),10)||0,top:parseInt(this.currentItem.css("marginTop"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var b=this.options;b.containment=="parent"&&(b.containment=this.helper[0].parentNode);if(b.containment=="document"||b.containment=="window")this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,a(b.containment=="document"?document:window).width()-this.helperProportions.width-this.margins.left,(a(b.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(b.containment)){var c=a(b.containment)[0],d=a(b.containment).offset(),e=a(c).css("overflow")!="hidden";this.containment=[d.left+(parseInt(a(c).css("borderLeftWidth"),10)||0)+(parseInt(a(c).css("paddingLeft"),10)||0)-this.margins.left,d.top+(parseInt(a(c).css("borderTopWidth"),10)||0)+(parseInt(a(c).css("paddingTop"),10)||0)-this.margins.top,d.left+(e?Math.max(c.scrollWidth,c.offsetWidth):c.offsetWidth)-(parseInt(a(c).css("borderLeftWidth"),10)||0)-(parseInt(a(c).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left,d.top+(e?Math.max(c.scrollHeight,c.offsetHeight):c.offsetHeight)-(parseInt(a(c).css("borderTopWidth"),10)||0)-(parseInt(a(c).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top]}},_convertPositionTo:function(b,c){c||(c=this.position);var d=b=="absolute"?1:-1,e=this.options,f=this.cssPosition=="absolute"&&(this.scrollParent[0]==document||!a.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,g=/(html|body)/i.test(f[0].tagName);return{top:c.top+this.offset.relative.top*d+this.offset.parent.top*d-(a.browser.safari&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():g?0:f.scrollTop())*d),left:c.left+this.offset.relative.left*d+this.offset.parent.left*d-(a.browser.safari&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():g?0:f.scrollLeft())*d)}},_generatePosition:function(b){var c=this.options,d=this.cssPosition=="absolute"&&(this.scrollParent[0]==document||!a.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,e=/(html|body)/i.test(d[0].tagName);this.cssPosition=="relative"&&(this.scrollParent[0]==document||this.scrollParent[0]==this.offsetParent[0])&&(this.offset.relative=this._getRelativeOffset());var f=b.pageX,g=b.pageY;if(this.originalPosition){this.containment&&(b.pageX-this.offset.click.left<this.containment[0]&&(f=this.containment[0]+this.offset.click.left),b.pageY-this.offset.click.top<this.containment[1]&&(g=this.containment[1]+this.offset.click.top),b.pageX-this.offset.click.left>this.containment[2]&&(f=this.containment[2]+this.offset.click.left),b.pageY-this.offset.click.top>this.containment[3]&&(g=this.containment[3]+this.offset.click.top));if(c.grid){var h=this.originalPageY+Math.round((g-this.originalPageY)/c.grid[1])*c.grid[1];g=this.containment?h-this.offset.click.top<this.containment[1]||h-this.offset.click.top>this.containment[3]?h-this.offset.click.top<this.containment[1]?h+c.grid[1]:h-c.grid[1]:h:h;var i=this.originalPageX+Math.round((f-this.originalPageX)/c.grid[0])*c.grid[0];f=this.containment?i-this.offset.click.left<this.containment[0]||i-this.offset.click.left>this.containment[2]?i-this.offset.click.left<this.containment[0]?i+c.grid[0]:i-c.grid[0]:i:i}}return{top:g-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(a.browser.safari&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollTop():e?0:d.scrollTop()),left:f-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(a.browser.safari&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():e?0:d.scrollLeft())}},_rearrange:function(a,b,c,d){c?c[0].appendChild(this.placeholder[0]):b.item[0].parentNode.insertBefore(this.placeholder[0],this.direction=="down"?b.item[0]:b.item[0].nextSibling),this.counter=this.counter?++this.counter:1;var e=this,f=this.counter;window.setTimeout(function(){f==e.counter&&e.refreshPositions(!d)},0)},_clear:function(b,c){this.reverting=!1;var d=[],e=this;!this._noFinalSort&&this.currentItem.parent().length&&this.placeholder.before(this.currentItem),this._noFinalSort=null;if(this.helper[0]==this.currentItem[0]){for(var f in this._storedCSS)if(this._storedCSS[f]=="auto"||this._storedCSS[f]=="static")this._storedCSS[f]="";this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper")}else this.currentItem.show();this.fromOutside&&!c&&d.push(function(a){this._trigger("receive",a,this._uiHash(this.fromOutside))}),(this.fromOutside||this.domPosition.prev!=this.currentItem.prev().not(".ui-sortable-helper")[0]||this.domPosition.parent!=this.currentItem.parent()[0])&&!c&&d.push(function(a){this._trigger("update",a,this._uiHash())});if(!a.ui.contains(this.element[0],this.currentItem[0])){c||d.push(function(a){this._trigger("remove",a,this._uiHash())});for(var f=this.containers.length-1;f>=0;f--)a.ui.contains(this.containers[f].element[0],this.currentItem[0])&&!c&&(d.push(function(a){return function(b){a._trigger("receive",b,this._uiHash(this))}}.call(this,this.containers[f])),d.push(function(a){return function(b){a._trigger("update",b,this._uiHash(this))}}.call(this,this.containers[f])))}for(var f=this.containers.length-1;f>=0;f--)c||d.push(function(a){return function(b){a._trigger("deactivate",b,this._uiHash(this))}}.call(this,this.containers[f])),this.containers[f].containerCache.over&&(d.push(function(a){return function(b){a._trigger("out",b,this._uiHash(this))}}.call(this,this.containers[f])),this.containers[f].containerCache.over=0);this._storedCursor&&a("body").css("cursor",this._storedCursor),this._storedOpacity&&this.helper.css("opacity",this._storedOpacity),this._storedZIndex&&this.helper.css("zIndex",this._storedZIndex=="auto"?"":this._storedZIndex),this.dragging=!1;if(this.cancelHelperRemoval){if(!c){this._trigger("beforeStop",b,this._uiHash());for(var f=0;f<d.length;f++)d[f].call(this,b);this._trigger("stop",b,this._uiHash())}return!1}c||this._trigger("beforeStop",b,this._uiHash()),this.placeholder[0].parentNode.removeChild(this.placeholder[0]),this.helper[0]!=this.currentItem[0]&&this.helper.remove(),this.helper=null;if(!c){for(var f=0;f<d.length;f++)d[f].call(this,b);this._trigger("stop",b,this._uiHash())}return this.fromOutside=!1,!0},_trigger:function(){a.Widget.prototype._trigger.apply(this,arguments)===!1&&this.cancel()},_uiHash:function(b){var 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a=="object"&&a.length||a.constructor&&a.constructor.toString().match(/\Array\(\)/))}$.extend($.ui,{datepicker:{version:"1.8.21"}});var PROP_NAME="datepicker",dpuuid=(new Date).getTime(),instActive;$.extend(Datepicker.prototype,{markerClassName:"hasDatepicker",maxRows:4,log:function(){this.debug&&console.log.apply("",arguments)},_widgetDatepicker:function(){return this.dpDiv},setDefaults:function(a){return extendRemove(this._defaults,a||{}),this},_attachDatepicker:function(target,settings){var inlineSettings=null;for(var attrName in this._defaults){var attrValue=target.getAttribute("date:"+attrName);if(attrValue){inlineSettings=inlineSettings||{};try{inlineSettings[attrName]=eval(attrValue)}catch(err){inlineSettings[attrName]=attrValue}}}var nodeName=target.nodeName.toLowerCase(),inline=nodeName=="div"||nodeName=="span";target.id||(this.uuid+=1,target.id="dp"+this.uuid);var inst=this._newInst($(target),inline);inst.settings=$.extend({},settings||{},inlineSettings||{}),nodeName=="input"?this._connectDatepicker(target,inst):inline&&this._inlineDatepicker(target,inst)},_newInst:function(a,b){var c=a[0].id.replace(/([^A-Za-z0-9_-])/g,"\\\\$1");return{id:c,input:a,selectedDay:0,selectedMonth:0,selectedYear:0,drawMonth:0,drawYear:0,inline:b,dpDiv:b?bindHover($('<div class="'+this._inlineClass+' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>')):this.dpDiv}},_connectDatepicker:function(a,b){var c=$(a);b.append=$([]),b.trigger=$([]);if(c.hasClass(this.markerClassName))return;this._attachments(c,b),c.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress).keyup(this._doKeyUp).bind("setData.datepicker",function(a,c,d){b.settings[c]=d}).bind("getData.datepicker",function(a,c){return this._get(b,c)}),this._autoSize(b),$.data(a,PROP_NAME,b),b.settings.disabled&&this._disableDatepicker(a)},_attachments:function(a,b){var c=this._get(b,"appendText"),d=this._get(b,"isRTL");b.append&&b.append.remove(),c&&(b.append=$('<span class="'+this._appendClass+'">'+c+"</span>"),a[d?"before":"after"](b.append)),a.unbind("focus",this._showDatepicker),b.trigger&&b.trigger.remove();var e=this._get(b,"showOn");(e=="focus"||e=="both")&&a.focus(this._showDatepicker);if(e=="button"||e=="both"){var f=this._get(b,"buttonText"),g=this._get(b,"buttonImage");b.trigger=$(this._get(b,"buttonImageOnly")?$("<img/>").addClass(this._triggerClass).attr({src:g,alt:f,title:f}):$('<button type="button"></button>').addClass(this._triggerClass).html(g==""?f:$("<img/>").attr({src:g,alt:f,title:f}))),a[d?"before":"after"](b.trigger),b.trigger.click(function(){return 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this._get(b,c)}),$.data(a,PROP_NAME,b),this._setDate(b,this._getDefaultDate(b),!0),this._updateDatepicker(b),this._updateAlternate(b),b.settings.disabled&&this._disableDatepicker(a),b.dpDiv.css("display","block")},_dialogDatepicker:function(a,b,c,d,e){var f=this._dialogInst;if(!f){this.uuid+=1;var g="dp"+this.uuid;this._dialogInput=$('<input type="text" id="'+g+'" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>'),this._dialogInput.keydown(this._doKeyDown),$("body").append(this._dialogInput),f=this._dialogInst=this._newInst(this._dialogInput,!1),f.settings={},$.data(this._dialogInput[0],PROP_NAME,f)}extendRemove(f.settings,d||{}),b=b&&b.constructor==Date?this._formatDate(f,b):b,this._dialogInput.val(b),this._pos=e?e.length?e:[e.pageX,e.pageY]:null;if(!this._pos){var h=document.documentElement.clientWidth,i=document.documentElement.clientHeight,j=document.documentElement.scrollLeft||document.body.scrollLeft,k=document.documentElement.scrollTop||document.body.scrollTop;this._pos=[h/2-100+j,i/2-150+k]}return this._dialogInput.css("left",this._pos[0]+20+"px").css("top",this._pos[1]+"px"),f.settings.onSelect=c,this._inDialog=!0,this.dpDiv.addClass(this._dialogClass),this._showDatepicker(this._dialogInput[0]),$.blockUI&&$.blockUI(this.dpDiv),$.data(this._dialogInput[0],PROP_NAME,f),this},_destroyDatepicker:function(a){var b=$(a),c=$.data(a,PROP_NAME);if(!b.hasClass(this.markerClassName))return;var d=a.nodeName.toLowerCase();$.removeData(a,PROP_NAME),d=="input"?(c.append.remove(),c.trigger.remove(),b.removeClass(this.markerClassName).unbind("focus",this._showDatepicker).unbind("keydown",this._doKeyDown).unbind("keypress",this._doKeyPress).unbind("keyup",this._doKeyUp)):(d=="div"||d=="span")&&b.removeClass(this.markerClassName).empty()},_enableDatepicker:function(a){var b=$(a),c=$.data(a,PROP_NAME);if(!b.hasClass(this.markerClassName))return;var d=a.nodeName.toLowerCase();if(d=="input")a.disabled=!1,c.trigger.filter("button").each(function(){this.disabled=!1}).end().filter("img").css({opacity:"1.0",cursor:""});else if(d=="div"||d=="span"){var e=b.children("."+this._inlineClass);e.children().removeClass("ui-state-disabled"),e.find("select.ui-datepicker-month, select.ui-datepicker-year").removeAttr("disabled")}this._disabledInputs=$.map(this._disabledInputs,function(b){return b==a?null:b})},_disableDatepicker:function(a){var b=$(a),c=$.data(a,PROP_NAME);if(!b.hasClass(this.markerClassName))return;var d=a.nodeName.toLowerCase();if(d=="input")a.disabled=!0,c.trigger.filter("button").each(function(){this.disabled=!0}).end().filter("img").css({opacity:"0.5",cursor:"default"});else if(d=="div"||d=="span"){var e=b.children("."+this._inlineClass);e.children().addClass("ui-state-disabled"),e.find("select.ui-datepicker-month, select.ui-datepicker-year").attr("disabled","disabled")}this._disabledInputs=$.map(this._disabledInputs,function(b){return b==a?null:b}),this._disabledInputs[this._disabledInputs.length]=a},_isDisabledDatepicker:function(a){if(!a)return!1;for(var b=0;b<this._disabledInputs.length;b++)if(this._disabledInputs[b]==a)return!0;return!1},_getInst:function(a){try{return $.data(a,PROP_NAME)}catch(b){throw"Missing instance data for this datepicker"}},_optionDatepicker:function(a,b,c){var d=this._getInst(a);if(arguments.length==2&&typeof b=="string")return b=="defaults"?$.extend({},$.datepicker._defaults):d?b=="all"?$.extend({},d.settings):this._get(d,b):null;var e=b||{};typeof b=="string"&&(e={},e[b]=c);if(d){this._curInst==d&&this._hideDatepicker();var f=this._getDateDatepicker(a,!0),g=this._getMinMaxDate(d,"min"),h=this._getMinMaxDate(d,"max");extendRemove(d.settings,e),g!==null&&e.dateFormat!==undefined&&e.minDate===undefined&&(d.settings.minDate=this._formatDate(d,g)),h!==null&&e.dateFormat!==undefined&&e.maxDate===undefined&&(d.settings.maxDate=this._formatDate(d,h)),this._attachments($(a),d),this._autoSize(d),this._setDate(d,f),this._updateAlternate(d),this._updateDatepicker(d)}},_changeDatepicker:function(a,b,c){this._optionDatepicker(a,b,c)},_refreshDatepicker:function(a){var b=this._getInst(a);b&&this._updateDatepicker(b)},_setDateDatepicker:function(a,b){var c=this._getInst(a);c&&(this._setDate(c,b),this._updateDatepicker(c),this._updateAlternate(c))},_getDateDatepicker:function(a,b){var c=this._getInst(a);return c&&!c.inline&&this._setDateFromField(c,b),c?this._getDate(c):null},_doKeyDown:function(a){var b=$.datepicker._getInst(a.target),c=!0,d=b.dpDiv.is(".ui-datepicker-rtl");b._keyEvent=!0;if($.datepicker._datepickerShowing)switch(a.keyCode){case 9:$.datepicker._hideDatepicker(),c=!1;break;case 13:var e=$("td."+$.datepicker._dayOverClass+":not(."+$.datepicker._currentClass+")",b.dpDiv);e[0]&&$.datepicker._selectDay(a.target,b.selectedMonth,b.selectedYear,e[0]);var f=$.datepicker._get(b,"onSelect");if(f){var g=$.datepicker._formatDate(b);f.apply(b.input?b.input[0]:null,[g,b])}else $.datepicker._hideDatepicker();return!1;case 27:$.datepicker._hideDatepicker();break;case 33:$.datepicker._adjustDate(a.target,a.ctrlKey?-$.datepicker._get(b,"stepBigMonths"):-$.datepicker._get(b,"stepMonths"),"M");break;case 34:$.datepicker._adjustDate(a.target,a.ctrlKey?+$.datepicker._get(b,"stepBigMonths"):+$.datepicker._get(b,"stepMonths"),"M");break;case 35:(a.ctrlKey||a.metaKey)&&$.datepicker._clearDate(a.target),c=a.ctrlKey||a.metaKey;break;case 36:(a.ctrlKey||a.metaKey)&&$.datepicker._gotoToday(a.target),c=a.ctrlKey||a.metaKey;break;case 37:(a.ctrlKey||a.metaKey)&&$.datepicker._adjustDate(a.target,d?1:-1,"D"),c=a.ctrlKey||a.metaKey,a.originalEvent.altKey&&$.datepicker._adjustDate(a.target,a.ctrlKey?-$.datepicker._get(b,"stepBigMonths"):-$.datepicker._get(b,"stepMonths"),"M");break;case 38:(a.ctrlKey||a.metaKey)&&$.datepicker._adjustDate(a.target,-7,"D"),c=a.ctrlKey||a.metaKey;break;case 39:(a.ctrlKey||a.metaKey)&&$.datepicker._adjustDate(a.target,d?-1:1,"D"),c=a.ctrlKey||a.metaKey,a.originalEvent.altKey&&$.datepicker._adjustDate(a.target,a.ctrlKey?+$.datepicker._get(b,"stepBigMonths"):+$.datepicker._get(b,"stepMonths"),"M");break;case 40:(a.ctrlKey||a.metaKey)&&$.datepicker._adjustDate(a.target,7,"D"),c=a.ctrlKey||a.metaKey;break;default:c=!1}else a.keyCode==36&&a.ctrlKey?$.datepicker._showDatepicker(this):c=!1;c&&(a.preventDefault(),a.stopPropagation())},_doKeyPress:function(a){var b=$.datepicker._getInst(a.target);if($.datepicker._get(b,"constrainInput")){var c=$.datepicker._possibleChars($.datepicker._get(b,"dateFormat")),d=String.fromCharCode(a.charCode==undefined?a.keyCode:a.charCode);return a.ctrlKey||a.metaKey||d<" "||!c||c.indexOf(d)>-1}},_doKeyUp:function(a){var b=$.datepicker._getInst(a.target);if(b.input.val()!=b.lastVal)try{var c=$.datepicker.parseDate($.datepicker._get(b,"dateFormat"),b.input?b.input.val():null,$.datepicker._getFormatConfig(b));c&&($.datepicker._setDateFromField(b),$.datepicker._updateAlternate(b),$.datepicker._updateDatepicker(b))}catch(d){$.datepicker.log(d)}return!0},_showDatepicker:function(a){a=a.target||a,a.nodeName.toLowerCase()!="input"&&(a=$("input",a.parentNode)[0]);if($.datepicker._isDisabledDatepicker(a)||$.datepicker._lastInput==a)return;var b=$.datepicker._getInst(a);$.datepicker._curInst&&$.datepicker._curInst!=b&&($.datepicker._curInst.dpDiv.stop(!0,!0),b&&$.datepicker._datepickerShowing&&$.datepicker._hideDatepicker($.datepicker._curInst.input[0]));var c=$.datepicker._get(b,"beforeShow"),d=c?c.apply(a,[a,b]):{};if(d===!1)return;extendRemove(b.settings,d),b.lastVal=null,$.datepicker._lastInput=a,$.datepicker._setDateFromField(b),$.datepicker._inDialog&&(a.value=""),$.datepicker._pos||($.datepicker._pos=$.datepicker._findPos(a),$.datepicker._pos[1]+=a.offsetHeight);var e=!1;$(a).parents().each(function(){return e|=$(this).css("position")=="fixed",!e}),e&&$.browser.opera&&($.datepicker._pos[0]-=document.documentElement.scrollLeft,$.datepicker._pos[1]-=document.documentElement.scrollTop);var f={left:$.datepicker._pos[0],top:$.datepicker._pos[1]};$.datepicker._pos=null,b.dpDiv.empty(),b.dpDiv.css({position:"absolute",display:"block",top:"-1000px"}),$.datepicker._updateDatepicker(b),f=$.datepicker._checkOffset(b,f,e),b.dpDiv.css({position:$.datepicker._inDialog&&$.blockUI?"static":e?"fixed":"absolute",display:"none",left:f.left+"px",top:f.top+"px"});if(!b.inline){var g=$.datepicker._get(b,"showAnim"),h=$.datepicker._get(b,"duration"),i=function(){var a=b.dpDiv.find("iframe.ui-datepicker-cover");if(!!a.length){var c=$.datepicker._getBorders(b.dpDiv);a.css({left:-c[0],top:-c[1],width:b.dpDiv.outerWidth(),height:b.dpDiv.outerHeight()})}};b.dpDiv.zIndex($(a).zIndex()+1),$.datepicker._datepickerShowing=!0,$.effects&&$.effects[g]?b.dpDiv.show(g,$.datepicker._get(b,"showOptions"),h,i):b.dpDiv[g||"show"](g?h:null,i),(!g||!h)&&i(),b.input.is(":visible")&&!b.input.is(":disabled")&&b.input.focus(),$.datepicker._curInst=b}},_updateDatepicker:function(a){var b=this;b.maxRows=4;var c=$.datepicker._getBorders(a.dpDiv);instActive=a,a.dpDiv.empty().append(this._generateHTML(a));var d=a.dpDiv.find("iframe.ui-datepicker-cover");!d.length||d.css({left:-c[0],top:-c[1],width:a.dpDiv.outerWidth(),height:a.dpDiv.outerHeight()}),a.dpDiv.find("."+this._dayOverClass+" a").mouseover();var e=this._getNumberOfMonths(a),f=e[1],g=17;a.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width(""),f>1&&a.dpDiv.addClass("ui-datepicker-multi-"+f).css("width",g*f+"em"),a.dpDiv[(e[0]!=1||e[1]!=1?"add":"remove")+"Class"]("ui-datepicker-multi"),a.dpDiv[(this._get(a,"isRTL")?"add":"remove")+"Class"]("ui-datepicker-rtl"),a==$.datepicker._curInst&&$.datepicker._datepickerShowing&&a.input&&a.input.is(":visible")&&!a.input.is(":disabled")&&a.input[0]!=document.activeElement&&a.input.focus();if(a.yearshtml){var h=a.yearshtml;setTimeout(function(){h===a.yearshtml&&a.yearshtml&&a.dpDiv.find("select.ui-datepicker-year:first").replaceWith(a.yearshtml),h=a.yearshtml=null},0)}},_getBorders:function(a){var b=function(a){return{thin:1,medium:2,thick:3}[a]||a};return[parseFloat(b(a.css("border-left-width"))),parseFloat(b(a.css("border-top-width")))]},_checkOffset:function(a,b,c){var d=a.dpDiv.outerWidth(),e=a.dpDiv.outerHeight(),f=a.input?a.input.outerWidth():0,g=a.input?a.input.outerHeight():0,h=document.documentElement.clientWidth+$(document).scrollLeft(),i=document.documentElement.clientHeight+$(document).scrollTop();return b.left-=this._get(a,"isRTL")?d-f:0,b.left-=c&&b.left==a.input.offset().left?$(document).scrollLeft():0,b.top-=c&&b.top==a.input.offset().top+g?$(document).scrollTop():0,b.left-=Math.min(b.left,b.left+d>h&&h>d?Math.abs(b.left+d-h):0),b.top-=Math.min(b.top,b.top+e>i&&i>e?Math.abs(e+g):0),b},_findPos:function(a){var b=this._getInst(a),c=this._get(b,"isRTL");while(a&&(a.type=="hidden"||a.nodeType!=1||$.expr.filters.hidden(a)))a=a[c?"previousSibling":"nextSibling"];var d=$(a).offset();return[d.left,d.top]},_hideDatepicker:function(a){var b=this._curInst;if(!b||a&&b!=$.data(a,PROP_NAME))return;if(this._datepickerShowing){var c=this._get(b,"showAnim"),d=this._get(b,"duration"),e=function(){$.datepicker._tidyDialog(b)};$.effects&&$.effects[c]?b.dpDiv.hide(c,$.datepicker._get(b,"showOptions"),d,e):b.dpDiv[c=="slideDown"?"slideUp":c=="fadeIn"?"fadeOut":"hide"](c?d:null,e),c||e(),this._datepickerShowing=!1;var f=this._get(b,"onClose");f&&f.apply(b.input?b.input[0]:null,[b.input?b.input.val():"",b]),this._lastInput=null,this._inDialog&&(this._dialogInput.css({position:"absolute",left:"0",top:"-100px"}),$.blockUI&&($.unblockUI(),$("body").append(this.dpDiv))),this._inDialog=!1}},_tidyDialog:function(a){a.dpDiv.removeClass(this._dialogClass).unbind(".ui-datepicker-calendar")},_checkExternalClick:function(a){if(!$.datepicker._curInst)return;var b=$(a.target),c=$.datepicker._getInst(b[0]);(b[0].id!=$.datepicker._mainDivId&&b.parents("#"+$.datepicker._mainDivId).length==0&&!b.hasClass($.datepicker.markerClassName)&&!b.closest("."+$.datepicker._triggerClass).length&&$.datepicker._datepickerShowing&&(!$.datepicker._inDialog||!$.blockUI)||b.hasClass($.datepicker.markerClassName)&&$.datepicker._curInst!=c)&&$.datepicker._hideDatepicker()},_adjustDate:function(a,b,c){var d=$(a),e=this._getInst(d[0]);if(this._isDisabledDatepicker(d[0]))return;this._adjustInstDate(e,b+(c=="M"?this._get(e,"showCurrentAtPos"):0),c),this._updateDatepicker(e)},_gotoToday:function(a){var b=$(a),c=this._getInst(b[0]);if(this._get(c,"gotoCurrent")&&c.currentDay)c.selectedDay=c.currentDay,c.drawMonth=c.selectedMonth=c.currentMonth,c.drawYear=c.selectedYear=c.currentYear;else{var d=new Date;c.selectedDay=d.getDate(),c.drawMonth=c.selectedMonth=d.getMonth(),c.drawYear=c.selectedYear=d.getFullYear()}this._notifyChange(c),this._adjustDate(b)},_selectMonthYear:function(a,b,c){var d=$(a),e=this._getInst(d[0]);e["selected"+(c=="M"?"Month":"Year")]=e["draw"+(c=="M"?"Month":"Year")]=parseInt(b.options[b.selectedIndex].value,10),this._notifyChange(e),this._adjustDate(d)},_selectDay:function(a,b,c,d){var e=$(a);if($(d).hasClass(this._unselectableClass)||this._isDisabledDatepicker(e[0]))return;var f=this._getInst(e[0]);f.selectedDay=f.currentDay=$("a",d).html(),f.selectedMonth=f.currentMonth=b,f.selectedYear=f.currentYear=c,this._selectDate(a,this._formatDate(f,f.currentDay,f.currentMonth,f.currentYear))},_clearDate:function(a){var b=$(a),c=this._getInst(b[0]);this._selectDate(b,"")},_selectDate:function(a,b){var c=$(a),d=this._getInst(c[0]);b=b!=null?b:this._formatDate(d),d.input&&d.input.val(b),this._updateAlternate(d);var e=this._get(d,"onSelect");e?e.apply(d.input?d.input[0]:null,[b,d]):d.input&&d.input.trigger("change"),d.inline?this._updateDatepicker(d):(this._hideDatepicker(),this._lastInput=d.input[0],typeof d.input[0]!="object"&&d.input.focus(),this._lastInput=null)},_updateAlternate:function(a){var b=this._get(a,"altField");if(b){var c=this._get(a,"altFormat")||this._get(a,"dateFormat"),d=this._getDate(a),e=this.formatDate(c,d,this._getFormatConfig(a));$(b).each(function(){$(this).val(e)})}},noWeekends:function(a){var b=a.getDay();return[b>0&&b<6,""]},iso8601Week:function(a){var b=new Date(a.getTime());b.setDate(b.getDate()+4-(b.getDay()||7));var c=b.getTime();return b.setMonth(0),b.setDate(1),Math.floor(Math.round((c-b)/864e5)/7)+1},parseDate:function(a,b,c){if(a==null||b==null)throw"Invalid arguments";b=typeof b=="object"?b.toString():b+"";if(b=="")return null;var d=(c?c.shortYearCutoff:null)||this._defaults.shortYearCutoff;d=typeof d!="string"?d:(new Date).getFullYear()%100+parseInt(d,10);var e=(c?c.dayNamesShort:null)||this._defaults.dayNamesShort,f=(c?c.dayNames:null)||this._defaults.dayNames,g=(c?c.monthNamesShort:null)||this._defaults.monthNamesShort,h=(c?c.monthNames:null)||this._defaults.monthNames,i=-1,j=-1,k=-1,l=-1,m=!1,n=function(b){var c=s+1<a.length&&a.charAt(s+1)==b;return c&&s++,c},o=function(a){var c=n(a),d=a=="@"?14:a=="!"?20:a=="y"&&c?4:a=="o"?3:2,e=new RegExp("^\\d{1,"+d+"}"),f=b.substring(r).match(e);if(!f)throw"Missing number at position "+r;return r+=f[0].length,parseInt(f[0],10)},p=function(a,c,d){var e=$.map(n(a)?d:c,function(a,b){return[[b,a]]}).sort(function(a,b){return-(a[1].length-b[1].length)}),f=-1;$.each(e,function(a,c){var d=c[1];if(b.substr(r,d.length).toLowerCase()==d.toLowerCase())return f=c[0],r+=d.length,!1});if(f!=-1)return f+1;throw"Unknown name at position "+r},q=function(){if(b.charAt(r)!=a.charAt(s))throw"Unexpected literal at position "+r;r++},r=0;for(var s=0;s<a.length;s++)if(m)a.charAt(s)=="'"&&!n("'")?m=!1:q();else switch(a.charAt(s)){case"d":k=o("d");break;case"D":p("D",e,f);break;case"o":l=o("o");break;case"m":j=o("m");break;case"M":j=p("M",g,h);break;case"y":i=o("y");break;case"@":var t=new Date(o("@"));i=t.getFullYear(),j=t.getMonth()+1,k=t.getDate();break;case"!":var t=new Date((o("!")-this._ticksTo1970)/1e4);i=t.getFullYear(),j=t.getMonth()+1,k=t.getDate();break;case"'":n("'")?q():m=!0;break;default:q()}if(r<b.length)throw"Extra/unparsed characters found in date: "+b.substring(r);i==-1?i=(new Date).getFullYear():i<100&&(i+=(new Date).getFullYear()-(new Date).getFullYear()%100+(i<=d?0:-100));if(l>-1){j=1,k=l;do{var u=this._getDaysInMonth(i,j-1);if(k<=u)break;j++,k-=u}while(!0)}var t=this._daylightSavingAdjust(new Date(i,j-1,k));if(t.getFullYear()!=i||t.getMonth()+1!=j||t.getDate()!=k)throw"Invalid date";return t},ATOM:"yy-mm-dd",COOKIE:"D, dd M yy",ISO_8601:"yy-mm-dd",RFC_822:"D, d M y",RFC_850:"DD, dd-M-y",RFC_1036:"D, d M y",RFC_1123:"D, d M yy",RFC_2822:"D, d M yy",RSS:"D, d M y",TICKS:"!",TIMESTAMP:"@",W3C:"yy-mm-dd",_ticksTo1970:(718685+Math.floor(492.5)-Math.floor(19.7)+Math.floor(4.925))*24*60*60*1e7,formatDate:function(a,b,c){if(!b)return"";var d=(c?c.dayNamesShort:null)||this._defaults.dayNamesShort,e=(c?c.dayNames:null)||this._defaults.dayNames,f=(c?c.monthNamesShort:null)||this._defaults.monthNamesShort,g=(c?c.monthNames:null)||this._defaults.monthNames,h=function(b){var c=m+1<a.length&&a.charAt(m+1)==b;return c&&m++,c},i=function(a,b,c){var d=""+b;if(h(a))while(d.length<c)d="0"+d;return d},j=function(a,b,c,d){return h(a)?d[b]:c[b]},k="",l=!1;if(b)for(var m=0;m<a.length;m++)if(l)a.charAt(m)=="'"&&!h("'")?l=!1:k+=a.charAt(m);else switch(a.charAt(m)){case"d":k+=i("d",b.getDate(),2);break;case"D":k+=j("D",b.getDay(),d,e);break;case"o":k+=i("o",Math.round(((new Date(b.getFullYear(),b.getMonth(),b.getDate())).getTime()-(new Date(b.getFullYear(),0,0)).getTime())/864e5),3);break;case"m":k+=i("m",b.getMonth()+1,2);break;case"M":k+=j("M",b.getMonth(),f,g);break;case"y":k+=h("y")?b.getFullYear():(b.getYear()%100<10?"0":"")+b.getYear()%100;break;case"@":k+=b.getTime();break;case"!":k+=b.getTime()*1e4+this._ticksTo1970;break;case"'":h("'")?k+="'":l=!0;break;default:k+=a.charAt(m)}return k},_possibleChars:function(a){var b="",c=!1,d=function(b){var c=e+1<a.length&&a.charAt(e+1)==b;return c&&e++,c};for(var e=0;e<a.length;e++)if(c)a.charAt(e)=="'"&&!d("'")?c=!1:b+=a.charAt(e);else switch(a.charAt(e)){case"d":case"m":case"y":case"@":b+="0123456789";break;case"D":case"M":return null;case"'":d("'")?b+="'":c=!0;break;default:b+=a.charAt(e)}return b},_get:function(a,b){return a.settings[b]!==undefined?a.settings[b]:this._defaults[b]},_setDateFromField:function(a,b){if(a.input.val()==a.lastVal)return;var c=this._get(a,"dateFormat"),d=a.lastVal=a.input?a.input.val():null,e,f;e=f=this._getDefaultDate(a);var g=this._getFormatConfig(a);try{e=this.parseDate(c,d,g)||f}catch(h){this.log(h),d=b?"":d}a.selectedDay=e.getDate(),a.drawMonth=a.selectedMonth=e.getMonth(),a.drawYear=a.selectedYear=e.getFullYear(),a.currentDay=d?e.getDate():0,a.currentMonth=d?e.getMonth():0,a.currentYear=d?e.getFullYear():0,this._adjustInstDate(a)},_getDefaultDate:function(a){return this._restrictMinMax(a,this._determineDate(a,this._get(a,"defaultDate"),new Date))},_determineDate:function(a,b,c){var d=function(a){var b=new Date;return b.setDate(b.getDate()+a),b},e=function(b){try{return 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ui-widget-content">'+(c?w:"")+(this._isInRange(a,v)?'<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_'+dpuuid+".datepicker._gotoToday('#"+a.id+"');\""+">"+u+"</button>":"")+(c?"":w)+"</div>":"",y=parseInt(this._get(a,"firstDay"),10);y=isNaN(y)?0:y;var z=this._get(a,"showWeek"),A=this._get(a,"dayNames"),B=this._get(a,"dayNamesShort"),C=this._get(a,"dayNamesMin"),D=this._get(a,"monthNames"),E=this._get(a,"monthNamesShort"),F=this._get(a,"beforeShowDay"),G=this._get(a,"showOtherMonths"),H=this._get(a,"selectOtherMonths"),I=this._get(a,"calculateWeek")||this.iso8601Week,J=this._getDefaultDate(a),K="";for(var L=0;L<g[0];L++){var M="";this.maxRows=4;for(var N=0;N<g[1];N++){var O=this._daylightSavingAdjust(new Date(o,n,a.selectedDay)),P=" ui-corner-all",Q="";if(j){Q+='<div class="ui-datepicker-group';if(g[1]>1)switch(N){case 0:Q+=" ui-datepicker-group-first",P=" ui-corner-"+(c?"right":"left");break;case g[1]-1:Q+=" ui-datepicker-group-last",P=" ui-corner-"+(c?"left":"right");break;default:Q+=" ui-datepicker-group-middle",P=""}Q+='">'}Q+='<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix'+P+'">'+(/all|left/.test(P)&&L==0?c?t:r:"")+(/all|right/.test(P)&&L==0?c?r:t:"")+this._generateMonthYearHeader(a,n,o,l,m,L>0||N>0,D,E)+'</div><table class="ui-datepicker-calendar"><thead>'+"<tr>";var R=z?'<th class="ui-datepicker-week-col">'+this._get(a,"weekHeader")+"</th>":"";for(var S=0;S<7;S++){var T=(S+y)%7;R+="<th"+((S+y+6)%7>=5?' class="ui-datepicker-week-end"':"")+">"+'<span title="'+A[T]+'">'+C[T]+"</span></th>"}Q+=R+"</tr></thead><tbody>";var U=this._getDaysInMonth(o,n);o==a.selectedYear&&n==a.selectedMonth&&(a.selectedDay=Math.min(a.selectedDay,U));var V=(this._getFirstDayOfMonth(o,n)-y+7)%7,W=Math.ceil((V+U)/7),X=j?this.maxRows>W?this.maxRows:W:W;this.maxRows=X;var Y=this._daylightSavingAdjust(new Date(o,n,1-V));for(var Z=0;Z<X;Z++){Q+="<tr>";var _=z?'<td class="ui-datepicker-week-col">'+this._get(a,"calculateWeek")(Y)+"</td>":"";for(var S=0;S<7;S++){var ba=F?F.apply(a.input?a.input[0]:null,[Y]):[!0,""],bb=Y.getMonth()!=n,bc=bb&&!H||!ba[0]||l&&Y<l||m&&Y>m;_+='<td class="'+((S+y+6)%7>=5?" ui-datepicker-week-end":"")+(bb?" ui-datepicker-other-month":"")+(Y.getTime()==O.getTime()&&n==a.selectedMonth&&a._keyEvent||J.getTime()==Y.getTime()&&J.getTime()==O.getTime()?" 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i=this._get(a,"changeMonth"),j=this._get(a,"changeYear"),k=this._get(a,"showMonthAfterYear"),l='<div class="ui-datepicker-title">',m="";if(f||!i)m+='<span class="ui-datepicker-month">'+g[b]+"</span>";else{var n=d&&d.getFullYear()==c,o=e&&e.getFullYear()==c;m+='<select class="ui-datepicker-month" onchange="DP_jQuery_'+dpuuid+".datepicker._selectMonthYear('#"+a.id+"', this, 'M');\" "+">";for(var p=0;p<12;p++)(!n||p>=d.getMonth())&&(!o||p<=e.getMonth())&&(m+='<option value="'+p+'"'+(p==b?' selected="selected"':"")+">"+h[p]+"</option>");m+="</select>"}k||(l+=m+(f||!i||!j?"&#xa0;":""));if(!a.yearshtml){a.yearshtml="";if(f||!j)l+='<span class="ui-datepicker-year">'+c+"</span>";else{var q=this._get(a,"yearRange").split(":"),r=(new Date).getFullYear(),s=function(a){var b=a.match(/c[+-].*/)?c+parseInt(a.substring(1),10):a.match(/[+-].*/)?r+parseInt(a,10):parseInt(a,10);return 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b!="string"?b:(new Date).getFullYear()%100+parseInt(b,10),{shortYearCutoff:b,dayNamesShort:this._get(a,"dayNamesShort"),dayNames:this._get(a,"dayNames"),monthNamesShort:this._get(a,"monthNamesShort"),monthNames:this._get(a,"monthNames")}},_formatDate:function(a,b,c,d){b||(a.currentDay=a.selectedDay,a.currentMonth=a.selectedMonth,a.currentYear=a.selectedYear);var e=b?typeof b=="object"?b:this._daylightSavingAdjust(new Date(d,c,b)):this._daylightSavingAdjust(new Date(a.currentYear,a.currentMonth,a.currentDay));return this.formatDate(this._get(a,"dateFormat"),e,this._getFormatConfig(a))}}),$.fn.datepicker=function(a){if(!this.length)return this;$.datepicker.initialized||($(document).mousedown($.datepicker._checkExternalClick).find("body").append($.datepicker.dpDiv),$.datepicker.initialized=!0);var b=Array.prototype.slice.call(arguments,1);return typeof a!="string"||a!="isDisabled"&&a!="getDate"&&a!="widget"?a=="option"&&arguments.length==2&&typeof 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c=[],d=[0,0],e;if(b){if(typeof b=="string"||typeof b=="object"&&"0"in b)c=b.split?b.split(" "):[b[0],b[1]],c.length===1&&(c[1]=c[0]),a.each(["left","top"],function(a,b){+c[a]===c[a]&&(d[a]=c[a],c[a]=b)}),b={my:c.join(" "),at:c.join(" "),offset:d.join(" ")};b=a.extend({},a.ui.dialog.prototype.options.position,b)}else b=a.ui.dialog.prototype.options.position;e=this.uiDialog.is(":visible"),e||this.uiDialog.show(),this.uiDialog.css({top:0,left:0}).position(a.extend({of:window},b)),e||this.uiDialog.hide()},_setOptions:function(b){var c=this,f={},g=!1;a.each(b,function(a,b){c._setOption(a,b),a in d&&(g=!0),a in e&&(f[a]=b)}),g&&this._size(),this.uiDialog.is(":data(resizable)")&&this.uiDialog.resizable("option",f)},_setOption:function(b,d){var 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c=a(this),d=c.outerWidth(),g=c.outerHeight(),h=parseInt(a.curCSS(this,"marginLeft",!0))||0,i=parseInt(a.curCSS(this,"marginTop",!0))||0,o=d+h+(parseInt(a.curCSS(this,"marginRight",!0))||0),p=g+i+(parseInt(a.curCSS(this,"marginBottom",!0))||0),q=a.extend({},n),r;b.my[0]==="right"?q.left-=d:b.my[0]===e&&(q.left-=d/2),b.my[1]==="bottom"?q.top-=g:b.my[1]===e&&(q.top-=g/2),f.fractions||(q.left=Math.round(q.left),q.top=Math.round(q.top)),r={left:q.left-h,top:q.top-i},a.each(["left","top"],function(c,e){a.ui.position[j[c]]&&a.ui.position[j[c]][e](q,{targetWidth:l,targetHeight:m,elemWidth:d,elemHeight:g,collisionPosition:r,collisionWidth:o,collisionHeight:p,offset:k,my:b.my,at:b.at})}),a.fn.bgiframe&&c.bgiframe(),c.offset(a.extend(q,{using:b.using}))})},a.ui.position={fit:{left:function(b,c){var d=a(window),e=c.collisionPosition.left+c.collisionWidth-d.width()-d.scrollLeft();b.left=e>0?b.left-e:Math.max(b.left-c.collisionPosition.left,b.left)},top:function(b,c){var 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b}).offset(),d.innerHTML="",e.removeChild(d),i=h.top+h.left+(b?2e3:0),f.fractions=i>21&&i<22}()}(jQuery),function(a,b){a.widget("ui.progressbar",{options:{value:0,max:100},min:0,_create:function(){this.element.addClass("ui-progressbar ui-widget ui-widget-content ui-corner-all").attr({role:"progressbar","aria-valuemin":this.min,"aria-valuemax":this.options.max,"aria-valuenow":this._value()}),this.valueDiv=a("<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>").appendTo(this.element),this.oldValue=this._value(),this._refreshValue()},destroy:function(){this.element.removeClass("ui-progressbar ui-widget ui-widget-content ui-corner-all").removeAttr("role").removeAttr("aria-valuemin").removeAttr("aria-valuemax").removeAttr("aria-valuenow"),this.valueDiv.remove(),a.Widget.prototype.destroy.apply(this,arguments)},value:function(a){return 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this.handles.remove(),this.range.remove(),this.element.removeClass("ui-slider ui-slider-horizontal ui-slider-vertical ui-slider-disabled ui-widget ui-widget-content ui-corner-all").removeData("slider").unbind(".slider"),this._mouseDestroy(),this},_mouseCapture:function(b){var c=this.options,d,e,f,g,h,i,j,k,l;return c.disabled?!1:(this.elementSize={width:this.element.outerWidth(),height:this.element.outerHeight()},this.elementOffset=this.element.offset(),d={x:b.pageX,y:b.pageY},e=this._normValueFromMouse(d),f=this._valueMax()-this._valueMin()+1,h=this,this.handles.each(function(b){var c=Math.abs(e-h.values(b));f>c&&(f=c,g=a(this),i=b)}),c.range===!0&&this.values(1)===c.min&&(i+=1,g=a(this.handles[i])),j=this._start(b,i),j===!1?!1:(this._mouseSliding=!0,h._handleIndex=i,g.addClass("ui-state-active").focus(),k=g.offset(),l=!a(b.target).parents().andSelf().is(".ui-slider-handle"),this._clickOffset=l?{left:0,top:0}:{left:b.pageX-k.left-g.width()/2,top:b.pageY-k.top-g.height()/2-(parseInt(g.css("borderTopWidth"),10)||0)-(parseInt(g.css("borderBottomWidth"),10)||0)+(parseInt(g.css("marginTop"),10)||0)},this.handles.hasClass("ui-state-hover")||this._slide(b,i,e),this._animateOff=!0,!0))},_mouseStart:function(a){return!0},_mouseDrag:function(a){var b={x:a.pageX,y:a.pageY},c=this._normValueFromMouse(b);return this._slide(a,this._handleIndex,c),!1},_mouseStop:function(a){return 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diff --git a/tools/droiddoc/templates-ds/assets/js/grid/960.gridder.css b/tools/droiddoc/templates-ds/assets/js/grid/960.gridder.css
deleted file mode 100755
index b1a986f1b..000000000
--- a/tools/droiddoc/templates-ds/assets/js/grid/960.gridder.css
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/tools/droiddoc/templates-ds/assets/js/grid/960.gridder.js b/tools/droiddoc/templates-ds/assets/js/grid/960.gridder.js
deleted file mode 100755
index 67b13227e..000000000
--- a/tools/droiddoc/templates-ds/assets/js/grid/960.gridder.js
+++ /dev/null
@@ -1,271 +0,0 @@
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- * Copyright (c) Andr?e Hansson (peolanha AT gmail DOT com)
- * MIT License - http://www.opensource.org/licenses/mit-license.php
- * Idea loosely based on JASH, http://billyreisinger.com/jash/
- *
- * Website: http://gridder.andreehansson.se/
- *
- * Changelog:
- * - New GUI! The new GUI should be less obtrusive and has been repositioned.
- *   It is also featuring a slight delay on inputs so that you'll have a chance
- *   to change the settings before it is re-rendering the grid
- * - Due to a lot of inquries regarding affiliation with jQuery the filenames has
- *   been changed, I'm very sorry for the inconvenience!
- * - CSS issues with the GUI should also be fixed in more websites, please report
- *   in any issue you stumble upon
- * - A small bug in IE that made the paragraph lines not position correctly has been
- *   fixed
- * - A dropdown box has replaced the columns input box, 960 Gridder calculates the
- *   proper number of columns that can be used with the specified grid width
- * - The 960 Gridder is now displaying perfectly (into the very pixels) in all
- *   A-grade browsers (according to browsershots.org)
- * - An option to invert the gutters has been added, set this to 'true' if
- *   you want to use it, OR use the shortcut CTRL+ALT+A
- * - Some other minor changes...
- */
-function Grid() {
-  var c = this;
-  c.settingsDef = {
-    urlBase: "http://gridder.andreehansson.se/releases/1.3.1/",
-    gColor: "#EEEEEE",
-    gColumns: 12,
-    gOpacity: 0.45,
-    gWidth: 10,
-    pColor: "#C0C0C0",
-    pHeight: 15,
-    pOffset: 0,
-    pOpacity: 0.55,
-    center: true,
-    invert: false,
-    gEnabled: true,
-    pEnabled: true,
-    size: 960,
-    fixFlash: true,
-    setupEnabled: true,
-    pressedKeys: [],
-    delayTimer: ""
-  };
-  c.settings = (typeof (window.gOverride) === "undefined") ? {} : window.gOverride;
-  for (var a in c.settingsDef) {
-    if (typeof (c.settings[a]) === "undefined") {
-      c.settings[a] = c.settingsDef[a];
-    }
-  }
-  if (typeof (window.jQuery) === "undefined" || jQuery().jquery.match(/^1\.3/) === null) {
-    window.jQuery = undefined;
-    var b = document.createElement("script");
-    b.type = "text/javascript";
-    b.src = c.settings.urlBase + "jquery.js";
-    document.body.appendChild(b);
-  }
-  c._createEntity = function (e, d) {
-    jQuery('<div class="g-' + e + '">&nbsp;</div>').appendTo("#g-grid").css(d);
-  };
-  c._setVariable = function (d, e) {
-    d = d.replace(/g-setup-/, "");
-    if (isNaN(parseInt(e, 10)) || parseInt(e, 10) === 0) {
-      c.settings[d] = e;
-    } else {
-      c.settings[d] = parseInt(e, 10);
-    }
-    if (e === true) {
-      jQuery("#g-setup-" + d).attr("checked", "checked");
-    } else {
-      if (e === false) {
-        jQuery("#g-setup-" + d).removeAttr("checked");
-      } else {
-        jQuery("#g-setup-" + d).val(e);
-      }
-    }
-  };
-  c.setupWindow = function () {
-    jQuery('<style type"text/css">#g-setup{position:absolute;top:150px;left:-310px;padding:6px;margin:0;list-style:none;width:320px!important;background-color:#d1cfe6;border:2px solid #a19bd1;z-index:2100; display:none;}#g-setup *{background:transparent!important;border:0!important;color:#58517c!important;font-family:Verdana,Geneva,sans-serif!important;font-size:10px!important;font-weight:normal!important;letter-spacing:normal!important;line-height:1!important;list-style-type:none!important;margin:0!important;padding:0!important;text-decoration:none!important;text-indent:0!important;text-transform:none!important;word-spacing:0!important;z-index:2100!important;}#g-setup .head{font-weight:bold!important;text-align:center;border-bottom:1px solid #7cb267!important;}#g-setup ul{width:150px;float:left!important;}#g-setup li{clear:left;padding:5px!important;}* html #g-setup li{clear:none!important;padding:4px!important;}#g-setup span{float:left!important;width:50px;padding:1px 4px 0 0!important;text-align:right!important;line-height:1.5!important;}#g-setup input,#g-setup select{float:left!important;width:70px;border:1px solid #a19bd1!important;background-color:#e7e6ee!important;padding:2px!important;}#g-setup select{width:77px;padding:0!important;}#g-setup-misc{margin-top:5px!important;clear:left;float:none!important;width:300px!important;border-top:1px solid #7cb267!important;}#g-setup-misc span{line-height:1.1!important;width:200px;}#g-setup-misc input{width:15px;padding:0!important;height:15px;}#g-setup-tab{width:26px;overflow:hidden;position:absolute;top:0;left:100%;margin-left:-26px!important;z-index:2100!important;}#g-setup-tab img{left:0;position:relative;}#g-grid{left:0;position:absolute;z-index:500;top:0;}#g-grid .g-vertical,#g-grid .g-horizontal{position:absolute;z-index:1000;}*:first-child+html #g-grid .g-horizontal,*:first-child+html #g-grid .g-vertical{margin-left:-1px;}#g-grid .g-horizontal{min-height:1px;height:1px;font-size:0;line-height:0;}</style>').appendTo("head");
-    c.settings.height = jQuery(document).height();
-    if (c.settings.setupEnabled) {
-      jQuery('<div id="g-setup"><ul><li class="head">Vertical</li><li><span>Color</span><input id="g-setup-gColor" /></li><li><span>Opacity</span><input id="g-setup-gOpacity" /></li><li><span>Width</span><input id="g-setup-gWidth" /></li><li><span>Columns</span><select id="g-setup-gColumns"></select></li></ul><ul><li class="head">Horizontal</li><li><span>Color</span><input id="g-setup-pColor" /></li><li><span>Opacity</span><input id="g-setup-pOpacity" /></li><li><span>Height</span><input id="g-setup-pHeight" /></li><li><span>Offset</span><input id="g-setup-pOffset" /></li></ul><ul id="g-setup-misc"><li><span>Enable vertical (gutters)</span><input id="g-setup-gEnabled" type="checkbox" /></li><li><span>Enable horizontal (paragraphs)</span><input id="g-setup-pEnabled" type="checkbox" /></li><li><span>Invert vertical</span><input id="g-setup-invert" type="checkbox" /></li><li><span>Center grid</span><input id="g-setup-center" type="checkbox" /></li></ul><div style="clear: left;"></div><div id="g-setup-tab"><a href="javascript:;"><img src="http://gridder.andreehansson.se/releases/1.3.1/logo-sprite.png" alt="" /></a></div></div>').appendTo("body");
-      for (var d = 2; d < 48; d++) {
-        if (Math.round((c.settings.size / d)) === (c.settings.size / d)) {
-          jQuery('<option value="' + d + '">' + d + "</option>").appendTo("#g-setup-gColumns");
-        }
-      }
-      for (var d in c.settings) {
-        if (jQuery("#g-setup-" + d).length !== 0) {
-          if (jQuery("#g-setup-" + d).parent().parent().is("#g-setup-misc") && c.settings[d]) {
-            jQuery("#g-setup-" + d).attr("checked", "checked");
-          } else {
-            jQuery("#g-setup-" + d).val(c.settings[d]);
-          }
-        }
-      }
-      jQuery("#g-setup").css("top", jQuery(window).scrollTop() + 150);
-      jQuery("#g-setup-tab a").click(function () {
-        c.toggleSetupWindow();
-      });
-      jQuery("#g-setup input").keyup(function () {
-        var e = this;
-        clearTimeout(c.settings.delayTimer);
-        c.settings.delayTimer = setTimeout(function () {
-          c.setVariable(jQuery(e).attr("id"), jQuery(e).val());
-        }, 700);
-      });
-      jQuery("#g-setup-gColumns").change(function () {
-        c.setVariable("gColumns", $(this).val());
-      });
-      jQuery("#g-setup-misc input").click(function () {
-        c.setVariable(jQuery(this).attr("id"), jQuery(this).attr("checked"));
-      });
-      jQuery().keydown(function (f) {
-        if (jQuery.inArray(f.which, c.settings.pressedKeys) === -1) {
-          c.settings.pressedKeys.push(f.which);
-        }
-      });
-      jQuery(window).scroll(function () {
-        jQuery("#g-setup").css("top", jQuery().scrollTop() + 150);
-      });
-    }
-    jQuery().keyup(function (g) {
-      if (jQuery.inArray(17, c.settings.pressedKeys) !== -1 && jQuery.inArray(18, c.settings.pressedKeys) !== -1) {
-        if (jQuery.inArray(90, c.settings.pressedKeys) !== -1) {
-          c.setVariable("gEnabled", !c.settings.gEnabled);
-        } else {
-          if (jQuery.inArray(88, c.settings.pressedKeys) !== -1) {
-            c.setVariable("pEnabled", !c.settings.pEnabled);
-          } else {
-            if (jQuery.inArray(65, c.settings.pressedKeys) !== -1) {
-              c.setVariable("invert", !c.settings.invert);
-            } else {
-              if (jQuery.inArray(67, c.settings.pressedKeys) !== -1) {
-                c.setVariable({
-                  gEnabled: !c.settings.gEnabled,
-                  pEnabled: !c.settings.pEnabled
-                });
-              }
-            }
-          }
-        }
-      }
-      var f = jQuery.inArray(g.which, c.settings.pressedKeys);
-      c.settings.pressedKeys.splice(f, f);
-    });
-  };
-  c.setVariable = function () {
-    if (typeof (arguments[0]) === "object") {
-      for (var d in arguments[0]) {
-        c._setVariable(d, arguments[0][d]);
-      }
-    } else {
-      c._setVariable(arguments[0], arguments[1]);
-    }
-    c.createGrid();
-  };
-  c.toggleSetupWindow = function () {
-    var d = jQuery("#g-setup-tab img");
-    d.css("left", d.position().left === 0 ? -26 : 0);
-    if (parseInt(jQuery("#g-setup").css("left"), 10) === 0) {
-      jQuery("#g-setup").animate({
-        left: -310
-      }, 200);
-    } else {
-      jQuery("#g-setup").animate({
-        left: 0
-      }, 200);
-    }
-  };
-  c.createGrid = function () {
-    jQuery("embed").each(function () {
-      if (c.settings.fixFlash) {
-        jQuery(this).attr("wmode", "transparent");
-      } else {
-        jQuery(this).removeAttr("wmode");
-      }
-      var i = jQuery(this).wrap("<div></div>").parent().html();
-      jQuery(this).parent().replaceWith(i);
-      jQuery(this).remove();
-    });
-    jQuery("#g-grid").remove();
-    jQuery('<div id="g-grid"></div>').appendTo("body").css("width", c.settings.size);
-    if (c.settings.center) {
-      jQuery("#g-grid").css({
-        left: "50%",
-        marginLeft: -((c.settings.size / 2) + c.settings.gWidth)
-      });
-    }
-    if (c.settings.gEnabled && c.settings.gColumns > 0) {
-      if (c.settings.invert) {
-        jQuery().css("overflow-x", "hidden");
-        var e = (jQuery(window).width() - c.settings.size) / 2;
-        c._createEntity("vertical", {
-          left: -e,
-          width: e,
-          height: c.settings.height,
-          backgroundColor: c.settings.gColor,
-          opacity: c.settings.gOpacity
-        });
-        for (var g = 0; g < c.settings.gColumns; g++) {
-          var f = (c.settings.size / c.settings.gColumns) - (c.settings.gWidth * 2);
-          var h = (c.settings.gWidth * 2);
-          c._createEntity("vertical", {
-            left: ((f + h) * g) + h,
-            width: f + "px",
-            height: c.settings.height,
-            backgroundColor: c.settings.gColor,
-            opacity: c.settings.gOpacity
-          });
-        }
-        if ((c.settings.height + 10) > jQuery(window).height()) {
-          e -= 10;
-        }
-        c._createEntity("vertical", {
-          left: "100%",
-          marginLeft: 20,
-          width: e,
-          height: c.settings.height,
-          backgroundColor: c.settings.gColor,
-          opacity: c.settings.gOpacity
-        });
-      } else {
-        for (var g = 0; g <= c.settings.gColumns; g++) {
-          c._createEntity("vertical", {
-            left: ((c.settings.size / c.settings.gColumns) * g),
-            width: (c.settings.gWidth * 2),
-            height: c.settings.height,
-            backgroundColor: c.settings.gColor,
-            opacity: c.settings.gOpacity
-          });
-        }
-      }
-    }
-    if (c.settings.pEnabled && c.settings.pHeight > 1) {
-      var d = ((c.settings.height - c.settings.pOffset) / c.settings.pHeight);
-      for (g = 0; g <= d; g++) {
-        c._createEntity("horizontal", {
-          top: ((c.settings.height / d) * g) + c.settings.pOffset,
-          left: "50%",
-          marginLeft: -(c.settings.size / 2),
-          width: (c.settings.size + (c.settings.gWidth * 2)),
-          backgroundColor: c.settings.pColor,
-          opacity: c.settings.pOpacity
-        });
-      }
-    }
-  };
-}
-var checkJQuery = function () {
-    if (typeof (window.jQuery) === "undefined") {
-      setTimeout(function () {
-        checkJQuery();
-      }, 10);
-    } else {
-      window.grid.setupWindow();
-      window.grid.createGrid();
-    }
-  };
-if (typeof (window.grid) === "undefined") {
-  window.grid = new Grid();
-  checkJQuery();
-} else {
-  window.grid.toggleSetupWindow();
-}
\ No newline at end of file
diff --git a/tools/droiddoc/templates-ds/assets/scroller/jquery.jscrollpane.min.js b/tools/droiddoc/templates-ds/assets/scroller/jquery.jscrollpane.min.js
deleted file mode 100644
index ad145f8a7..000000000
--- a/tools/droiddoc/templates-ds/assets/scroller/jquery.jscrollpane.min.js
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * jScrollPane - v2.0.0beta11 - 2012-04-23
- * http://jscrollpane.kelvinluck.com/
- *
- * Copyright (c) 2010 Kelvin Luck
- * Dual licensed under the MIT and GPL licenses.
- */
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diff --git a/tools/droiddoc/templates-ds/assets/scroller/jquery.mousewheel.min.js b/tools/droiddoc/templates-ds/assets/scroller/jquery.mousewheel.min.js
deleted file mode 100644
index 3390202a2..000000000
--- a/tools/droiddoc/templates-ds/assets/scroller/jquery.mousewheel.min.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/*! Copyright (c) 2011 Brandon Aaron (http://brandonaaron.net)
- * Licensed under the MIT License (LICENSE.txt).
- *
- * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
- * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
- * Thanks to: Seamus Leahy for adding deltaX and deltaY
- *
- * Version: 3.0.6
- * 
- * Requires: 1.2.2+
- */
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diff --git a/tools/droiddoc/templates-ds/assets/triangle-none.gif b/tools/droiddoc/templates-ds/assets/triangle-none.gif
deleted file mode 100644
index 0c7b469d8..000000000
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diff --git a/tools/droiddoc/templates-ds/class.cs b/tools/droiddoc/templates-ds/class.cs
deleted file mode 100644
index 23e57aba6..000000000
--- a/tools/droiddoc/templates-ds/class.cs
+++ /dev/null
@@ -1,654 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html devsite>
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-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
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-  <div id="doc-api-level" class="<?cs var:class.since ?>" style="display:none"></div>
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
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-
-<div id="api-info-block">
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-  <?cs set:linkcount = #1 ?>
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-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#enumconstants">Enums</a>
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-<?cs /if ?>
-<?cs if:subcount(class.constants) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#constants">Constants</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhconstants ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhconstants">Inherited Constants</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.fields) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#lfields">Fields</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhfields ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhfields">Inherited Fields</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.ctors.public) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#pubctors">Ctors</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.ctors.protected) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#proctors">Protected Ctors</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.methods.public) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#pubmethods">Methods</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.methods.protected) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#promethods">Protected Methods</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhmethods ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhmethods">Inherited Methods</a>
-<?cs /if ?>
-&#124; <a href="#" onclick="return toggleAllClassInherited()" id="toggleAllClassInherited">[Expand All]</a>
-<?cs /if ?>
-</div><!-- end sum-details-links -->
-<div class="api-level">
-  <?cs call:since_tags(class) ?><?cs
-  if:class.deprecatedsince
-    ?><br>Deprecated since <a href="<?cs var:toroot ?>guide/topics/manifest/uses-sdk-element.html#ApiLevels"
-        >API level <?cs var:class.deprecatedsince ?></a><?cs
-  /if ?>
-  <?cs call:federated_refs(class) ?>
-</div>
-</div><!-- end api-info-block -->
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ======== START OF CLASS DATA ======== -->
-
-<div id="jd-header">
-    <?cs var:class.scope ?>
-    <?cs var:class.static ?> 
-    <?cs var:class.final ?> 
-    <?cs var:class.abstract ?>
-    <?cs var:class.kind ?>
-<h1 itemprop="name"><?cs var:class.name ?></h1>
-
-<?cs set:colspan = subcount(class.inheritance) ?>
-<?cs each:supr = class.inheritance ?>
-  <?cs if:colspan == 2 ?>
-    extends <?cs call:type_link(supr.short_class) ?><br/>
-  <?cs /if ?>
-  <?cs if:last(supr) && subcount(supr.interfaces) ?>
-      implements 
-      <?cs each:t=supr.interfaces ?>
-        <?cs call:type_link(t) ?> 
-      <?cs /each ?>
-  <?cs /if ?>
-  <?cs set:colspan = colspan-1 ?>
-<?cs /each ?>
-
-</div><!-- end header -->
-
-<div id="naMessage"></div>
-
-<div id="jd-content" class="api apilevel-<?cs var:class.since ?>">
-<table class="jd-inheritance-table">
-<?cs set:colspan = subcount(class.inheritance) ?>
-<?cs each:supr = class.inheritance ?>
-    <tr>
-        <?cs loop:i = 1, (subcount(class.inheritance)-colspan), 1 ?>
-            <td class="jd-inheritance-space">&nbsp;<?cs if:(subcount(class.inheritance)-colspan) == i ?>&nbsp;&nbsp;&#x21b3;<?cs /if ?></td>
-        <?cs /loop ?> 	
-        <td colspan="<?cs var:colspan ?>" class="jd-inheritance-class-cell"><?cs
-            if:colspan == 1
-                ?><?cs call:class_name(class.qualifiedType) ?><?cs 
-            else 
-                ?><?cs call:type_link(supr.class) ?><?cs
-            /if ?></td>
-    </tr>
-    <?cs set:colspan = colspan-1 ?>
-<?cs /each ?>
-</table>
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-
-<?cs if:subcount(class.subclasses.direct) && !class.subclasses.hidden ?>
-<table class="jd-sumtable jd-sumtable-subclasses"><tr><td colspan="12" style="border:none;margin:0;padding:0;">
-<?cs call:expando_trigger("subclasses-direct", "closed") ?>Known Direct Subclasses
-<?cs call:expandable_class_list("subclasses-direct", class.subclasses.direct, "list") ?>
-</td></tr></table>
-<?cs /if ?>
-
-<?cs if:subcount(class.subclasses.indirect) && !class.subclasses.hidden ?>
-<table class="jd-sumtable jd-sumtable-subclasses"><tr><td colspan="12" style="border:none;margin:0;padding:0;">
-<?cs call:expando_trigger("subclasses-indirect", "closed") ?>Known Indirect Subclasses
-<?cs call:expandable_class_list("subclasses-indirect", class.subclasses.indirect, "list") ?>
-</td></tr></table>
-<?cs /if ?>
-
-<div class="jd-descr">
-<?cs call:deprecated_warning(class) ?>
-<?cs if:subcount(class.descr) ?>
-<h2>Class Overview</h2>
-<p itemprop="articleBody"><?cs call:tag_list(class.descr) ?></p>
-<?cs /if ?>
-
-<?cs call:see_also_tags(class.seeAlso) ?>
-
-</div><!-- jd-descr -->
-
-
-<?cs # summary macros ?>
-
-<?cs def:write_method_summary(methods, included) ?>
-<?cs set:count = #1 ?>
-<?cs each:method = methods ?>
-	 <?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:method.since ?>" >
-        <td class="jd-typecol"><nobr>
-            <?cs var:method.abstract ?>
-            <?cs var:method.synchronized ?>
-            <?cs var:method.final ?>
-            <?cs var:method.static ?>
-            <?cs call:type_link(method.generic) ?>
-            <?cs call:type_link(method.returnType) ?></nobr>
-        </td>
-        <td class="jd-linkcol" width="100%"><nobr>
-        <span class="sympad"><?cs call:cond_link(method.name, toroot, method.href, included) ?></span>(<?cs call:parameter_list(method.params) ?>)</nobr>
-        <?cs if:subcount(method.shortDescr) || subcount(method.deprecated) ?>
-        <div class="jd-descrdiv"><?cs call:short_descr(method) ?></div>
-  <?cs /if ?>
-  </td></tr>
-<?cs set:count = count + #1 ?>
-<?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_field_summary(fields, included) ?>
-<?cs set:count = #1 ?>
-    <?cs each:field=fields ?>
-      <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
-          <td class="jd-typecol"><nobr>
-          <?cs var:field.scope ?>
-          <?cs var:field.static ?>
-          <?cs var:field.final ?>
-          <?cs call:type_link(field.type) ?></nobr></td>
-          <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-          <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?></td>
-      </tr>
-      <?cs set:count = count + #1 ?>
-    <?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_constant_summary(fields, included) ?>
-<?cs set:count = #1 ?>
-    <?cs each:field=fields ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
-        <td class="jd-typecol"><?cs call:type_link(field.type) ?></td>
-        <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-        <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?></td>
-    </tr>
-    <?cs set:count = count + #1 ?>
-    <?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_attr_summary(attrs, included) ?>
-<?cs set:count = #1 ?>
-    <tr>
-        <td><nobr><em>Attribute Name</em></nobr></td>
-        <td><nobr><em>Related Method</em></nobr></td>
-        <td><nobr><em>Description</em></nobr></td>
-    </tr>
-    <?cs each:attr=attrs ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:attr.since ?>" >
-        <td class="jd-linkcol"><?cs if:included ?><a href="<?cs var:toroot ?><?cs var:attr.href ?>"><?cs /if ?><?cs var:attr.name ?><?cs if:included ?></a><?cs /if ?></td>
-        <td class="jd-linkcol"><?cs each:m=attr.methods ?>
-            <?cs call:cond_link(m.name, toroot, m.href, included) ?>
-            <?cs /each ?>
-        </td>
-        <td class="jd-descrcol" width="100%"><?cs call:short_descr(attr) ?>&nbsp;</td>
-    </tr>
-    <?cs set:count = count + #1 ?>
-    <?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_inners_summary(classes) ?>
-<?cs set:count = #1 ?>
-  <?cs each:cl=class.inners ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:cl.since ?>" >
-      <td class="jd-typecol"><nobr>
-        <?cs var:cl.scope ?>
-        <?cs var:cl.static ?> 
-        <?cs var:cl.final ?> 
-        <?cs var:cl.abstract ?>
-        <?cs var:cl.kind ?></nobr></td>
-      <td class="jd-linkcol"><?cs call:type_link(cl.type) ?></td>
-      <td class="jd-descrcol" width="100%"><?cs call:short_descr(cl) ?>&nbsp;</td>
-    </tr>
-    <?cs set:count = count + #1 ?>
-    <?cs /each ?>
-<?cs /def ?>
-
-<?cs # end macros ?>
-
-<div class="jd-descr">
-<?cs # make sure there's a summary view to display ?>
-<?cs if:subcount(class.inners)
-     || subcount(class.attrs)
-     || inhattrs
-     || subcount(class.enumConstants)
-     || subcount(class.constants)
-     || inhconstants
-     || subcount(class.fields)
-     || inhfields
-     || subcount(class.ctors.public)
-     || subcount(class.ctors.protected)
-     || subcount(class.methods.public)
-     || subcount(class.methods.protected)
-     || inhmethods ?>
-<h2>Summary</h2>
-
-<?cs if:subcount(class.inners) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ======== NESTED CLASS SUMMARY ======== -->
-<table id="nestedclasses" class="jd-sumtable"><tr><th colspan="12">Nested Classes</th></tr>
-<?cs call:write_inners_summary(class.inners) ?>
-<?cs /if ?>
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<?cs if:subcount(class.attrs) ?>
-<!-- =========== FIELD SUMMARY =========== -->
-<table id="lattrs" class="jd-sumtable"><tr><th colspan="12">XML Attributes</th></tr>
-<?cs call:write_attr_summary(class.attrs, 1) ?>
-<?cs /if ?>
-
-<?cs # if there are inherited attrs, write the table ?>
-<?cs if:inhattrs ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- =========== FIELD SUMMARY =========== -->
-<table id="inhattrs" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited XML Attributes</div></th></tr>
-<?cs each:cl=class.inherited ?>
-<?cs if:subcount(cl.attrs) ?>
-<tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12">
-<?cs call:expando_trigger("inherited-attrs-"+cl.qualified, "closed") ?>From <?cs var:cl.kind ?>
-<?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
-<div id="inherited-attrs-<?cs var:cl.qualified ?>">
-  <div id="inherited-attrs-<?cs var:cl.qualified ?>-list"
-        class="jd-inheritedlinks">
-  </div>
-  <div id="inherited-attrs-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_attr_summary(cl.attrs, cl.included) ?></table>
-  </div>
-</div>
-</td></tr>
-<?cs /if ?>
-<?cs /each ?>
-</table>
-<?cs /if ?>
-
-<?cs if:subcount(class.enumConstants) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<table id="enumconstants" class="jd-sumtable"><tr><th colspan="12">Enum Values</th></tr>
-<?cs set:count = #1 ?>
-    <?cs each:field=class.enumConstants ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
-        <td class="jd-descrcol"><?cs call:type_link(field.type) ?>&nbsp;</td>
-        <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, cl.included) ?>&nbsp;</td>
-        <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?>&nbsp;</td>
-    </tr>
-    <?cs set:count = count + #1 ?>
-    <?cs /each ?>
-<?cs /if ?>
-
-<?cs if:subcount(class.constants) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<table id="constants" class="jd-sumtable"><tr><th colspan="12">Constants</th></tr>
-<?cs call:write_constant_summary(class.constants, 1) ?>
-</table>
-<?cs /if ?>
-
-<?cs # if there are inherited constants, write the table ?>
-<?cs if:inhconstants ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<table id="inhconstants" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited Constants</div></th></tr>
-<?cs each:cl=class.inherited ?>
-<?cs if:subcount(cl.constants) ?>
-<tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12">
-<?cs call:expando_trigger("inherited-constants-"+cl.qualified, "closed") ?>From <?cs var:cl.kind ?>
-<?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
-<div id="inherited-constants-<?cs var:cl.qualified ?>">
-  <div id="inherited-constants-<?cs var:cl.qualified ?>-list"
-        class="jd-inheritedlinks">
-  </div>
-  <div id="inherited-constants-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_constant_summary(cl.constants, cl.included) ?></table>
-  </div>
-</div>
-</td></tr>
-<?cs /if ?>
-<?cs /each ?>
-</table>
-<?cs /if ?>
-
-<?cs if:subcount(class.fields) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- =========== FIELD SUMMARY =========== -->
-<table id="lfields" class="jd-sumtable"><tr><th colspan="12">Fields</th></tr>
-<?cs call:write_field_summary(class.fields, 1) ?>
-</table>
-<?cs /if ?>
-
-<?cs # if there are inherited fields, write the table ?>
-<?cs if:inhfields ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- =========== FIELD SUMMARY =========== -->
-<table id="inhfields" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited Fields</div></th></tr>
-<?cs each:cl=class.inherited ?>
-<?cs if:subcount(cl.fields) ?>
-<tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12">
-<?cs call:expando_trigger("inherited-fields-"+cl.qualified, "closed") ?>From <?cs var:cl.kind ?>
-<?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
-<div id="inherited-fields-<?cs var:cl.qualified ?>">
-  <div id="inherited-fields-<?cs var:cl.qualified ?>-list"
-        class="jd-inheritedlinks">
-  </div>
-  <div id="inherited-fields-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_field_summary(cl.fields, cl.included) ?></table>
-  </div>
-</div>
-</td></tr>
-<?cs /if ?>
-<?cs /each ?>
-</table>
-<?cs /if ?>
-
-<?cs if:subcount(class.ctors.public) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<table id="pubctors" class="jd-sumtable"><tr><th colspan="12">Public Constructors</th></tr>
-<?cs call:write_method_summary(class.ctors.public, 1) ?>
-</table>
-<?cs /if ?>
-
-<?cs if:subcount(class.ctors.protected) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<table id="proctors" class="jd-sumtable"><tr><th colspan="12">Protected Constructors</th></tr>
-<?cs call:write_method_summary(class.ctors.protected, 1) ?>
-</table>
-<?cs /if ?>
-
-<?cs if:subcount(class.methods.public) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========== METHOD SUMMARY =========== -->
-<table id="pubmethods" class="jd-sumtable"><tr><th colspan="12">Public Methods</th></tr>
-<?cs call:write_method_summary(class.methods.public, 1) ?>
-</table>
-<?cs /if ?>
-
-<?cs if:subcount(class.methods.protected) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========== METHOD SUMMARY =========== -->
-<table id="promethods" class="jd-sumtable"><tr><th colspan="12">Protected Methods</th></tr>
-<?cs call:write_method_summary(class.methods.protected, 1) ?>
-</table>
-<?cs /if ?>
-
-<?cs # if there are inherited methods, write the table ?>
-<?cs if:inhmethods ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========== METHOD SUMMARY =========== -->
-<table id="inhmethods" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited Methods</div></th></tr>
-<?cs each:cl=class.inherited ?>
-<?cs if:subcount(cl.methods) ?>
-<tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12"><?cs call:expando_trigger("inherited-methods-"+cl.qualified, "closed") ?>
-From <?cs var:cl.kind ?>
-<?cs if:cl.included ?>
-  <a href="<?cs var:toroot ?><?cs var:cl.link ?>"><?cs var:cl.qualified ?></a>
-<?cs elif:cl.federated ?>
-  <a href="<?cs var:cl.link ?>"><?cs var:cl.qualified ?></a>
-<?cs else ?>
-  <?cs var:cl.qualified ?>
-<?cs /if ?>
-<div id="inherited-methods-<?cs var:cl.qualified ?>">
-  <div id="inherited-methods-<?cs var:cl.qualified ?>-list"
-        class="jd-inheritedlinks">
-  </div>
-  <div id="inherited-methods-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_method_summary(cl.methods, cl.included) ?></table>
-  </div>
-</div>
-</td></tr>
-<?cs /if ?>
-<?cs /each ?>
-</table>
-<?cs /if ?>
-<?cs /if ?>
-</div><!-- jd-descr (summary) -->
-
-<!-- Details -->
-
-<?cs def:write_field_details(fields) ?>
-<?cs each:field=fields ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
-<A NAME="<?cs var:field.anchor ?>"></A>
-<?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
-<div class="jd-details api apilevel-<?cs var:field.since ?>"> 
-    <h4 class="jd-details-title">
-      <span class="normal">
-        <?cs var:field.scope ?> 
-        <?cs var:field.static ?> 
-        <?cs var:field.final ?> 
-        <?cs call:type_link(field.type) ?>
-      </span>
-        <?cs var:field.name ?>
-    </h4>
-      <div class="api-level">
-        <?cs call:since_tags(field) ?>
-        <?cs call:federated_refs(field) ?>
-      </div>
-    <div class="jd-details-descr">
-      <?cs call:description(field) ?>
-    <?cs if:subcount(field.constantValue) ?>
-        <div class="jd-tagdata">
-        <span class="jd-tagtitle">Constant Value: </span>
-        <span>
-            <?cs if:field.constantValue.isString ?>
-                <?cs var:field.constantValue.str ?>
-            <?cs else ?>
-                <?cs var:field.constantValue.dec ?>
-                (<?cs var:field.constantValue.hex ?>)
-            <?cs /if ?>
-        </span>
-        </div>
-    <?cs /if ?>
-    </div>
-</div>
-<?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_method_details(methods) ?>
-<?cs each:method=methods ?>
-<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
-<A NAME="<?cs var:method.anchor ?>"></A>
-<?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
-<div class="jd-details api apilevel-<?cs var:method.since ?>"> 
-    <h4 class="jd-details-title">
-      <span class="normal">
-        <?cs var:method.scope ?> 
-        <?cs var:method.static ?> 
-        <?cs var:method.final ?> 
-        <?cs var:method.abstract ?> 
-        <?cs var:method.synchronized ?> 
-        <?cs call:type_link(method.returnType) ?>
-      </span>
-      <span class="sympad"><?cs var:method.name ?></span>
-      <span class="normal">(<?cs call:parameter_list(method.params) ?>)</span>
-    </h4>
-      <div class="api-level">
-        <div><?cs call:since_tags(method) ?></div>
-        <?cs call:federated_refs(method) ?>
-      </div>
-    <div class="jd-details-descr">
-      <?cs call:description(method) ?>
-    </div>
-</div>
-<?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_attr_details(attrs) ?>
-<?cs each:attr=attrs ?>
-<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
-<A NAME="<?cs var:attr.anchor ?>"></A>
-<div class="jd-details"> 
-    <h4 class="jd-details-title"><?cs var:attr.name ?>
-    </h4>
-    <div class="jd-details-descr">
-        <?cs call:description(attr) ?>
-
-        <div class="jd-tagdata">
-            <h5 class="jd-tagtitle">Related Methods</h5>
-            <ul class="nolist">
-            <?cs each:m=attr.methods ?>
-                <li><a href="<?cs var:toroot ?><?cs var:m.href ?>"><?cs var:m.name ?></a></li>
-            <?cs /each ?>
-            </ul>
-        </div>
-    </div>
-</div>
-<?cs /each ?>
-<?cs /def ?>
-
-
-<!-- XML Attributes -->
-<?cs if:subcount(class.attrs) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= FIELD DETAIL ======== -->
-<h2>XML Attributes</h2>
-<?cs call:write_attr_details(class.attrs) ?>
-<?cs /if ?>
-
-<!-- Enum Values -->
-<?cs if:subcount(class.enumConstants) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= ENUM CONSTANTS DETAIL ======== -->
-<h2>Enum Values</h2>
-<?cs call:write_field_details(class.enumConstants) ?>
-<?cs /if ?>
-
-<!-- Constants -->
-<?cs if:subcount(class.constants) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= ENUM CONSTANTS DETAIL ======== -->
-<h2>Constants</h2>
-<?cs call:write_field_details(class.constants) ?>
-<?cs /if ?>
-
-<!-- Fields -->
-<?cs if:subcount(class.fields) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= FIELD DETAIL ======== -->
-<h2>Fields</h2>
-<?cs call:write_field_details(class.fields) ?>
-<?cs /if ?>
-
-<!-- Public ctors -->
-<?cs if:subcount(class.ctors.public) ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<h2>Public Constructors</h2>
-<?cs call:write_method_details(class.ctors.public) ?>
-<?cs /if ?>
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-<!-- Protected ctors -->
-<?cs if:subcount(class.ctors.protected) ?>
-<h2>Protected Constructors</h2>
-<?cs call:write_method_details(class.ctors.protected) ?>
-<?cs /if ?>
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= METHOD DETAIL ======== -->
-<!-- Public methdos -->
-<?cs if:subcount(class.methods.public) ?>
-<h2>Public Methods</h2>
-<?cs call:write_method_details(class.methods.public) ?>
-<?cs /if ?>
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ========= METHOD DETAIL ======== -->
-<?cs if:subcount(class.methods.protected) ?>
-<h2>Protected Methods</h2>
-<?cs call:write_method_details(class.methods.protected) ?>
-<?cs /if ?>
-
-<?cs # the next two lines must be exactly like this to be parsed by eclipse ?>
-<!-- ========= END OF CLASS DATA ========= -->
-<A NAME="navbar_top"></A>
-
-<?cs include:"footer.cs" ?>
-</div> <!-- jd-content -->
-
-</div><!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
diff --git a/tools/droiddoc/templates-ds/classes.cs b/tools/droiddoc/templates-ds/classes.cs
deleted file mode 100644
index 9d87751e0..000000000
--- a/tools/droiddoc/templates-ds/classes.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html devsite>
-<?cs include:"head_tag.cs" ?>
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>" itemscope itemtype="http://schema.org/Article">
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
-<div class="col-12" id="doc-col">
-
-<div id="jd-header">
-<h1><?cs var:page.title ?></h1>
-</div>
-
-<div id="jd-content">
-<p>These are the Android API classes. See all <a href="packages.html">API packages</a>.</p>
-<div class="jd-letterlist"><?cs each:letter=docs.classes ?>
-    <a href="#letter_<?cs name:letter ?>"><?cs name:letter ?></a>&nbsp;&nbsp;<?cs /each?>
-</div>
-
-<?cs each:letter=docs.classes ?>
-<?cs set:count = #1 ?>
-<h2 id="letter_<?cs name:letter ?>"><?cs name:letter ?></h2>
-<table class="jd-sumtable">
-    <?cs set:cur_row = #0 ?>
-    <?cs each:cl = letter ?>
-        <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:cl.since ?>" >
-            <td class="jd-linkcol"><?cs call:type_link(cl.type) ?></td>
-            <td class="jd-descrcol" width="100%"><?cs call:short_descr(cl) ?>&nbsp;</td>
-        </tr>
-    <?cs set:count = count + #1 ?>
-    <?cs /each ?>
-</table>
-<?cs /each ?>
-
-<?cs include:"footer.cs" ?>
-</div><!-- end jd-content -->
-</div><!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-ds/components/masthead.cs b/tools/droiddoc/templates-ds/components/masthead.cs
deleted file mode 100644
index 1bfaa56f0..000000000
--- a/tools/droiddoc/templates-ds/components/masthead.cs
+++ /dev/null
@@ -1,231 +0,0 @@
-<?cs def:custom_masthead() ?>
-    <!-- Header -->
-    <div id="header">
-        <div class="wrap" id="header-wrap">
-          <div class="col-3 logo">
-          <a href="<?cs var:toroot ?>index.html">
-            <img src="<?cs var:toroot ?>assets/images/dac_logo.png" width="123" height="25" alt="Android Developers" />
-          </a>
-          <div class="btn-quicknav" id="btn-quicknav">
-          	<a href="#" class="arrow-inactive">Quicknav</a>
-			      <a href="#" class="arrow-active">Quicknav</a>
-          </div>
-          </div>
-            <ul class="nav-x col-9">
-                <li class="design">
-                  <a href="<?cs var:toroot ?>design/index.html" <?cs
-                  if:design ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="設計"
-                  zh-CN-lang="设计"
-                  ru-lang="Проектирование"
-                  ko-lang="디자인"
-                  ja-lang="設計"
-                  es-lang="Diseñar"               
-                  >Design</a></li>
-                <li class="develop"><a href="<?cs var:toroot ?>develop/index.html" <?cs
-                  if:training || guide || reference || tools || develop || google ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="開發"
-                  zh-CN-lang="开发"
-                  ru-lang="Разработка"
-                  ko-lang="개발"
-                  ja-lang="開発"
-                  es-lang="Desarrollar"               
-                  >Develop</a></li>
-                <li class="distribute last"><a href="<?cs var:toroot ?>distribute/index.html" <?cs
-                  if:distribute ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="發佈"
-                  zh-CN-lang="分发"
-                  ru-lang="Распространение"
-                  ko-lang="배포"
-                  ja-lang="配布"
-                  es-lang="Distribuir"               
-                  >Distribute</a></li>
-            </ul>
-            
-            <!-- New Search -->
-            <div class="menu-container">
-            <div class="moremenu">
-    <div id="more-btn"></div>
-  </div>
-  <div class="morehover" id="moremenu">
-    <div class="top"></div>
-    <div class="mid">
-      <div class="header">Links</div>
-      <ul>
-        <li><a href="https://play.google.com/apps/publish/">Google Play Developer Console</a></li>
-        <li><a href="http://android-developers.blogspot.com/">Android Developers Blog</a></li>
-        <li><a href="<?cs var:toroot ?>about/index.html">About Android</a></li>
-      </ul>
-      <div class="header">Android Sites</div>
-      <ul>
-        <li><a href="http://www.android.com">Android.com</a></li>
-        <li class="active"><a>Android Developers</a></li>
-        <li><a href="http://source.android.com">Android Open Source Project</a></li>
-      </ul>
-      <div class="header">Language</div>
-      <!-- <div class="header">Support</div>
-      <ul>
-        <li><a href="<?cs var:toroot ?>support.html">Developer Support</a></li>
-      </ul> -->
-      <br class="clearfix" />
-    </div>
-    <div class="bottom"></div>
-  </div>
-  <div class="search" id="search-container">
-    <div class="search-inner">
-      <div id="search-btn"></div>
-      <div class="left"></div>
-      <form onsubmit="return submit_search()">
-        <input id="search_autocomplete" type="text" value="" autocomplete="off" name="q"
-onfocus="search_focus_changed(this, true)" onblur="search_focus_changed(this, false)"
-onkeydown="return search_changed(event, true, '<?cs var:toroot ?>')" 
-onkeyup="return search_changed(event, false, '<?cs var:toroot ?>')" />
-      </form>
-      <div class="right"></div>
-        <a class="close hide">close</a>
-        <div class="left"></div>
-        <div class="right"></div>
-    </div>
-  </div>
-  <div id="search_filtered_wrapper">
-    <div id="search_filtered_div" class="no-display">
-        <ul id="search_filtered">
-        </ul>
-    </div>
-  </div>
-  
-  </div>
-  <!-- /New Search>
-          
-          
-          <!-- Expanded quicknav -->
-           <div id="quicknav" class="col-9">
-                <ul>
-                    <li class="design">
-                      <ul>
-                        <li><a href="<?cs var:toroot ?>design/index.html">Get Started</a></li>
-                        <li><a href="<?cs var:toroot ?>design/style/index.html">Style</a></li>
-                        <li><a href="<?cs var:toroot ?>design/patterns/index.html">Patterns</a></li>
-                        <li><a href="<?cs var:toroot ?>design/building-blocks/index.html">Building Blocks</a></li>
-                        <li><a href="<?cs var:toroot ?>design/downloads/index.html">Downloads</a></li>
-                        <li><a href="<?cs var:toroot ?>design/videos/index.html">Videos</a></li>
-                      </ul>
-                    </li>
-                    <li class="develop">
-                      <ul>
-                        <li><a href="<?cs var:toroot ?>training/index.html"
-                          zh-TW-lang="訓練課程"
-                          zh-CN-lang="培训"
-                          ru-lang="Курсы"
-                          ko-lang="교육"
-                          ja-lang="トレーニング"
-                          es-lang="Capacitación"               
-                          >Training</a></li>
-                        <li><a href="<?cs var:toroot ?>guide/components/index.html"
-                          zh-TW-lang="API 指南"
-                          zh-CN-lang="API 指南"
-                          ru-lang="Руководства по API"
-                          ko-lang="API 가이드"
-                          ja-lang="API ガイド"
-                          es-lang="Guías de la API"               
-                          >API Guides</a></li>
-                        <li><a href="<?cs var:toroot ?>reference/packages.html"
-                          zh-TW-lang="參考資源"
-                          zh-CN-lang="参考"
-                          ru-lang="Справочник"
-                          ko-lang="참조문서"
-                          ja-lang="リファレンス"
-                          es-lang="Referencia"               
-                          >Reference</a></li>
-                        <li><a href="<?cs var:toroot ?>tools/index.html"
-                          zh-TW-lang="相關工具"
-                          zh-CN-lang="工具"
-                          ru-lang="Инструменты"
-                          ko-lang="도구"
-                          ja-lang="ツール"
-                          es-lang="Herramientas"               
-                          >Tools</a>
-                          <ul><li><a href="<?cs var:toroot ?>sdk/index.html">Get the SDK</a></li></ul>
-                        </li>
-                        <li><a href="<?cs var:toroot ?>google/index.html">Google Services</a>
-                        </li>
-                      </ul>
-                    </li>
-                    <li class="distribute last">
-                      <ul>
-                        <li><a href="<?cs var:toroot ?>distribute/index.html">Google Play</a></li>
-                        <li><a href="<?cs var:toroot ?>distribute/googleplay/publish/index.html">Publishing</a></li>
-                        <li><a href="<?cs var:toroot ?>distribute/googleplay/promote/index.html">Promoting</a></li>
-                        <li><a href="<?cs var:toroot ?>distribute/googleplay/quality/index.html">App Quality</a></li>
-                        <li><a href="<?cs var:toroot ?>distribute/googleplay/spotlight/index.html">Spotlight</a></li>
-                        <li><a href="<?cs var:toroot ?>distribute/open.html">Open Distribution</a></li>
-                      </ul>
-                    </li>
-                </ul>
-          </div>
-          <!-- /Expanded quicknav -->
-        </div>
-    </div>
-    <!-- /Header -->
-    
-    
-  <div id="searchResults" class="wrap" style="display:none;">
-          <h2 id="searchTitle">Results</h2>
-          <div id="leftSearchControl" class="search-control">Loading...</div>
-  </div>
-    
-    
-    
-<?cs if:training || guide || reference || tools || develop || google ?>
-    <!-- Secondary x-nav -->
-    <div id="nav-x">
-        <div class="wrap">
-            <ul class="nav-x col-9 develop" style="width:100%">
-                <li><a href="<?cs var:toroot ?>training/index.html" <?cs
-                  if:training ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="訓練課程"
-                  zh-CN-lang="培训"
-                  ru-lang="Курсы"
-                  ko-lang="교육"
-                  ja-lang="トレーニング"
-                  es-lang="Capacitación"               
-                  >Training</a></li>
-                <li><a href="<?cs var:toroot ?>guide/components/index.html" <?cs
-                  if:guide ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="API 指南"
-                  zh-CN-lang="API 指南"
-                  ru-lang="Руководства по API"
-                  ko-lang="API 가이드"
-                  ja-lang="API ガイド"
-                  es-lang="Guías de la API"               
-                  >API Guides</a></li>
-                <li><a href="<?cs var:toroot ?>reference/packages.html" <?cs
-                  if:reference && !(reference.gcm || reference.gms) ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="參考資源"
-                  zh-CN-lang="参考"
-                  ru-lang="Справочник"
-                  ko-lang="참조문서"
-                  ja-lang="リファレンス"
-                  es-lang="Referencia"               
-                  >Reference</a></li>
-                <li><a href="<?cs var:toroot ?>tools/index.html" <?cs
-                  if:tools ?>class="selected"<?cs /if ?>
-                  zh-TW-lang="相關工具"
-                  zh-CN-lang="工具"
-                  ru-lang="Инструменты"
-                  ko-lang="도구"
-                  ja-lang="ツール"
-                  es-lang="Herramientas"
-                  >Tools</a></li>
-                <li><a href="<?cs var:toroot ?>google/index.html" <?cs
-                  if:google || reference.gcm || reference.gms?>class="selected"<?cs /if ?>
-                  >Google Services</a>
-                </li>
-            </ul>
-        </div>
-        
-    </div>
-    <!-- /Sendondary x-nav -->
-<?cs /if ?>
-  <?cs 
-/def ?>
diff --git a/tools/droiddoc/templates-ds/customizations.cs b/tools/droiddoc/templates-ds/customizations.cs
deleted file mode 100644
index 75559e68e..000000000
--- a/tools/droiddoc/templates-ds/customizations.cs
+++ /dev/null
@@ -1,370 +0,0 @@
-<?cs 
-def:fullpage() ?>
-  <div id="body-content">
-<?cs /def ?>
-<?cs 
-def:sdk_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/sdk/sdk_toc.cs" ?>
-
-
-      </div>
-    </div> <!-- end side-nav -->
-<?cs /def ?>
-<?cs 
-def:resources_tab_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <a
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/resources/resources_toc.cs" ?>
-
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:tools_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-<?cs 
-        include:"../../../../frameworks/base/docs/html/tools/tools_toc.cs" ?>
-        
-        
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:training_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/training/training_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs 
-def:guide_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/guide/guide_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:design_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/design/design_toc.cs" ?>
-       
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:distribute_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/distribute/distribute_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-<?cs
-def:google_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/google/google_toc.cs" ?>
-        
-
-      </div>
-      <script type="text/javascript">
-       showGoogleRefTree();
-    
-      </script>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-<?cs
-def:about_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/about/about_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:dist_more_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/distribute/more/more_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-:
-
-<?cs /def ?>
-<?cs # The default side navigation for the reference docs ?><?cs 
-def:default_left_nav() ?>
-<?cs if:reference.gcm || reference.gms ?>
-  <?cs call:google_nav() ?>
-<?cs else ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav">
-
-<a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
-      <div id="api-nav-header">
-        <div id="api-level-toggle">
-          <label for="apiLevelCheckbox" class="disabled">API level: </label>
-          <div class="select-wrapper">
-            <select id="apiLevelSelector">
-              <!-- option elements added by buildApiLevelSelector() -->
-            </select>
-          </div>
-        </div><!-- end toggle -->
-        <div id="api-nav-title">Android APIs</div>
-        </div><!-- end nav header -->
-      <script>
-        var SINCE_DATA = [ <?cs 
-          each:since = since ?>'<?cs 
-            var:since.name ?>'<?cs 
-            if:!last(since) ?>, <?cs /if ?><?cs
-          /each 
-        ?> ];
-        buildApiLevelSelector();
-      </script>
-                  
-      <div id="swapper">
-        <div id="nav-panels">
-          <div id="resize-packages-nav">
-            <div id="packages-nav" class="scroll-pane">
-
-              <ul>
-              	<?cs call:package_link_list(docs.packages) ?>
-              </ul><br/>
-
-            </div> <!-- end packages-nav -->
-          </div> <!-- end resize-packages -->
-          <div id="classes-nav" class="scroll-pane">
-
-
-<?cs 
-            if:subcount(class.package) ?>
-            <ul>
-              <?cs call:list("Interfaces", class.package.interfaces) ?>
-              <?cs call:list("Classes", class.package.classes) ?>
-              <?cs call:list("Enums", class.package.enums) ?>
-              <?cs call:list("Exceptions", class.package.exceptions) ?>
-              <?cs call:list("Errors", class.package.errors) ?>
-            </ul><?cs 
-            elif:subcount(package) ?>
-            <ul>
-              <?cs call:class_link_list("Interfaces", package.interfaces) ?>
-              <?cs call:class_link_list("Classes", package.classes) ?>
-              <?cs call:class_link_list("Enums", package.enums) ?>
-              <?cs call:class_link_list("Exceptions", package.exceptions) ?>
-              <?cs call:class_link_list("Errors", package.errors) ?>
-            </ul><?cs 
-            else ?>
-              <p style="padding:10px">Select a package to view its members</p><?cs 
-            /if ?><br/>
-        
-
-          </div><!-- end classes -->
-        </div><!-- end nav-panels -->
-        <div id="nav-tree" style="display:none" class="scroll-pane">
-          <div id="tree-list"></div>
-        </div><!-- end nav-tree -->
-      </div><!-- end swapper -->
-      <div id="nav-swap">
-      <a class="fullscreen">fullscreen</a>
-      <a href='#' onclick='swapNav();return false;'><span id='tree-link'>Use Tree Navigation</span><span id='panel-link' style='display:none'>Use Panel Navigation</span></a>
-      </div>
-    </div> <!-- end devdoc-nav -->
-    </div> <!-- end side-nav -->
-    <script type="text/javascript">
-      // init fullscreen based on user pref
-      var fullscreen = readCookie("fullscreen");
-      if (fullscreen != 0) {
-        if (fullscreen == "false") {
-          toggleFullscreen(false);
-        } else {
-          toggleFullscreen(true);
-        }
-      }
-      // init nav version for mobile
-      if (isMobile) {
-        swapNav(); // tree view should be used on mobile
-        $('#nav-swap').hide();
-      } else {
-        chooseDefaultNav();
-        if ($("#nav-tree").is(':visible')) {
-          init_default_navtree("<?cs var:toroot ?>");
-        }
-      }
-      // scroll the selected page into view
-      $(document).ready(function() {
-        scrollIntoView("packages-nav");
-        scrollIntoView("classes-nav");
-        });
-    </script>
-<?cs /if ?>
-    <?cs 
-/def ?>
-
-<?cs 
-def:custom_left_nav() ?><?cs
-  if:fullpage ?><?cs 
-    call:fullpage() ?><?cs 
-  elif:guide ?><?cs 
-    call:guide_nav() ?><?cs 
-  elif:design ?><?cs
-    call:design_nav() ?><?cs 
-  elif:training ?><?cs 
-    call:training_nav() ?><?cs 
-  elif:tools ?><?cs 
-    call:tools_nav() ?><?cs
-  elif:google ?><?cs 
-    call:google_nav() ?><?cs 
-  elif:more ?><?cs 
-    call:dist_more_nav() ?><?cs
-  elif:distribute ?><?cs 
-    call:distribute_nav() ?><?cs 
-  elif:about ?><?cs 
-    call:about_nav() ?><?cs 
-  else ?><?cs 
-    call:default_left_nav() ?> <?cs 
-  /if ?><?cs 
-/def ?>
-
-<?cs # appears at the bottom of every page ?><?cs 
-def:custom_cc_copyright() ?>
-  Except as noted, this content is 
-  licensed under <a href="http://creativecommons.org/licenses/by/2.5/">
-  Creative Commons Attribution 2.5</a>. For details and 
-  restrictions, see the <a href="<?cs var:toroot ?>license.html">Content 
-  License</a>.<?cs 
-/def ?>
-
-<?cs 
-def:custom_copyright() ?>
-  Except as noted, this content is licensed under <a
-  href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0</a>. 
-  For details and restrictions, see the <a href="<?cs var:toroot ?>license.html">
-  Content License</a>.<?cs 
-/def ?>
-
-<?cs 
-def:custom_footerlinks() ?>
-  <p>
-    <a href="<?cs var:toroot ?>about/index.html">About Android</a>&nbsp;&nbsp;|&nbsp;
-    <a href="<?cs var:toroot ?>legal.html">Legal</a>&nbsp;&nbsp;|&nbsp;
-    <a href="<?cs var:toroot ?>support.html">Support</a>
-  </p><?cs 
-/def ?>
-
-<?cs # appears on the right side of the blue bar at the bottom off every page ?><?cs 
-def:custom_buildinfo() ?><?cs
-  if:!google ?>
-    Android <?cs var:sdk.version ?>&nbsp;r<?cs var:sdk.rel.id ?> &mdash; <?cs
-  /if ?>
-<script src="<?cs var:toroot ?>timestamp.js" type="text/javascript"></script>
-<script>document.write(BUILD_TIMESTAMP)</script>
-<?cs /def ?>
-
diff --git a/tools/droiddoc/templates-ds/designpage.cs b/tools/droiddoc/templates-ds/designpage.cs
deleted file mode 100644
index c714a74a4..000000000
--- a/tools/droiddoc/templates-ds/designpage.cs
+++ /dev/null
@@ -1,99 +0,0 @@
-<!DOCTYPE html>
-<?cs include:"macros.cs" ?>
-<html lang="en">
-  <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-    <title>
-      Android Design<?cs if:page.title ?> - <?cs var:page.title ?><?cs /if ?>
-    </title>
-    <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico">
-    <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Roboto:regular,medium,thin,italic,mediumitalic">
-    <link rel="stylesheet" href="<?cs var:toroot ?>assets/yui-3.3.0-reset-min.css">
-    <link rel="stylesheet" href="<?cs var:toroot ?>assets/design/default.css">
-    <script src="<?cs var:toroot ?>assets/jquery-1.6.2.min.js"></script>
-    <script>var SITE_ROOT = '<?cs var:toroot ?>design';</script>
-    <script src="<?cs var:toroot ?>assets/design/default.js"></script>
-  </head>
-  <body class="gc-documentation 
-    <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-    elif:design ?>design<?cs
-    elif:distribute ?>distribute<?cs
-    /if ?>" itemscope itemtype="http://schema.org/Article">
-    <a name="top"></a>
-
-    <div id="page-container">
-
-      <div id="page-header" itemscope itemtype="http://schema.org/WPHeader"><a href="<?cs var:toroot ?>design/index.html">Android Design</a></div>
-
-      <div id="main-row">
-
-        <div id="nav-container" itemscope itemtype="http://schema.org/SiteNavigationElement">
-
-        <?cs call:design_nav() ?>
-
-        </div>
-
-        <div id="content">
-
-<?cs if:header.hide ?>
-<?cs else ?>
-<div class="layout-content-row content-header <?cs if:header.justLinks ?>just-links<?cs /if ?>">
-  <div class="layout-content-col span-9">
-    <?cs if:header.justLinks ?>&nbsp;
-      <?cs elif:header.title ?><h2><?cs var:header.title ?></h2>
-                   <?cs else ?><h2><?cs var:page.title ?></h2>
-    <?cs /if ?>
-  </div>
-  <div class="paging-links layout-content-col span-4" itemscope itemtype="http://schema.org/SiteNavigationElement">
-    <a href="#" class="prev-page-link">Previous</a>
-    <a href="#" class="next-page-link">Next</a>
-  </div>
-</div>
-<?cs /if ?>
-
-<?cs call:tag_list(root.descr) ?>
-
-<?cs if:footer.hide ?>
-<?cs else ?>
-<div class="layout-content-row content-footer" itemscope itemtype="http://schema.org/SiteNavigationElement">
-  <div class="paging-links layout-content-col span-9">&nbsp;</div>
-  <div class="paging-links layout-content-col span-4">
-    <a href="#" class="prev-page-link">Previous</a>
-    <a href="#" class="next-page-link">Next</a>
-  </div>
-</div>
-<?cs /if ?>
-
-        </div>
-
-      </div>
-
-      <div id="page-footer" itemscope itemtype="http://schema.org/WPFooter">
-
-        <p id="copyright">
-          Except as noted, this content is licensed under
-          <a href="http://creativecommons.org/licenses/by/2.5/">
-          Creative Commons Attribution 2.5</a>.<br>
-          For details and restrictions, see the
-          <a href="http://developer.android.com/license.html">Content License</a>.
-        </p>
-
-        <p>
-          <a href="http://www.android.com/terms.html">Site Terms of Service</a> &ndash;
-          <a href="http://www.android.com/privacy.html">Privacy Policy</a> &ndash;
-          <a href="http://www.android.com/branding.html">Brand Guidelines</a>
-        </p>
-
-      </div>
-    </div>
-
-    <script type="text/javascript">
-    var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
-    document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
-    </script>
-    <script type="text/javascript">
-    var pageTracker = _gat._getTracker("UA-5831155-1");
-    pageTracker._trackPageview();
-    </script>
-  </body>
-</html>
diff --git a/tools/droiddoc/templates-ds/docpage.cs b/tools/droiddoc/templates-ds/docpage.cs
deleted file mode 100644
index da5461330..000000000
--- a/tools/droiddoc/templates-ds/docpage.cs
+++ /dev/null
@@ -1,174 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html devsite>
-<?cs include:"head_tag.cs" ?>
-<body class="gc-documentation <?cs if:(google || reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs if:guide ?> guide<?cs /if ?><?cs
-  elif:about ?>about<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?><?cs
-  if:page.trainingcourse ?> trainingcourse<?cs /if ?>" itemscope itemtype="http://schema.org/Article">
-<a name="top"></a>
-<?cs include:"header.cs" ?>
-
-<div <?cs if:fullpage
-?>class="fullpage"<?cs elif:design||tools||about||sdk||distribute
-?>class="col-13" id="doc-col"<?cs else 
-?>class="col-12" id="doc-col"<?cs /if ?> >
-
-<?cs if:(design||training||walkthru) && !page.trainingcourse && !page.article ?><?cs # header logic for docs that provide previous/next buttons ?>
-  <?cs if:header.hide ?>
-  <?cs else ?>
-  <div class="layout-content-row content-header <?cs if:header.justLinks ?>just-links<?cs /if ?>">
-    <div class="layout-content-col <?cs if:training ?>span-7<?cs else ?>span-9<?cs /if ?>">
-      <?cs if:header.justLinks ?>&nbsp;
-      <?cs else ?><h1 itemprop="name"><?cs var:page.title ?></h1>
-      <?cs /if ?>
-    </div>
-    <?cs if:training ?>
-      <div class="training-nav-top layout-content-col span-5" itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <a href="#" class="prev-page-link hide"
-            zh-TW-lang="上一堂課"
-            zh-CN-lang="上一课"
-            ru-lang="Предыдущий"
-            ko-lang="이전"
-            ja-lang="前へ"
-            es-lang="Anterior"               
-            >Previous</a>
-        <a href="#" class="next-page-link hide"
-            zh-TW-lang="下一堂課"
-            zh-CN-lang="下一课"
-            ru-lang="Следующий"
-            ko-lang="다음"
-            ja-lang="次へ"
-            es-lang="Siguiente"               
-            >Next</a>
-        <a href="#" class="start-class-link hide"
-            zh-TW-lang="開始上課"
-            zh-CN-lang="开始"
-            ru-lang="Начало работы"
-            ko-lang="시작하기"
-            ja-lang="開始する"
-            es-lang="Empezar"               
-            >Get started</a>
-      </div>
-    <?cs elif:!page.trainingcourse ?>
-      <div class="paging-links layout-content-col span-4" itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <a href="#" class="prev-page-link hide"
-            zh-TW-lang="上一堂課"
-            zh-CN-lang="上一课"
-            ru-lang="Предыдущий"
-            ko-lang="이전"
-            ja-lang="前へ"
-            es-lang="Anterior"               
-            >Previous</a>
-        <a href="#" class="next-page-link hide"
-            zh-TW-lang="下一堂課"
-            zh-CN-lang="下一课"
-            ru-lang="Следующий"
-            ko-lang="다음"
-            ja-lang="次へ"
-            es-lang="Siguiente"               
-            >Next</a>
-      </div>
-    <?cs /if ?><?cs # end if training ?>
-  </div>
-  <?cs /if ?>
-<?cs else ?>
-  <?cs if:(!fullpage && !header.hide) ?>
-    <?cs if:page.landing ?><?cs # header logic for docs that are landing pages ?>
-      <div class="landing-banner">
-        <?cs if:page.landing.image ?><?cs # use two-column layout only if there's an image ?>
-        <div class="col-6">
-          <img src="<?cs var:toroot ?><?cs var:page.landing.image ?>" alt="" />
-        </div>
-        <div class="col-6">
-        <?cs /if ?>
-          <h1 itemprop="name" style="margin-bottom:0;"><?cs var:page.title ?></h1>
-          <p itemprop="description"><?cs var:page.landing.intro ?></p>
-          
-          <p><a class="next-page-link topic-start-link"></a></p>
-        <?cs if:page.landing.image ?>
-        </div>
-        <?cs /if ?>
-      </div>
-    <?cs else ?>
-      <?cs if:tab1 ?><div id="title-tabs-wrapper"><?cs /if ?>
-        <h1 itemprop="name" <?cs if:tab1 ?>class="with-title-tabs"<?cs /if ?>><?cs var:page.title ?></h1><?cs
-          if:tab1 ?><ul id="title-tabs">
-              <li class="selected"><a href="<?cs var:tab1.link ?>"><?cs var:tab1 ?></a></li>
-              <?cs if:tab2 ?>
-              <li><a href="<?cs var:tab2.link ?>"><?cs var:tab2 ?></a></li><?cs /if ?>
-              <?cs if:tab3 ?>
-              <li><a href="<?cs var:tab3.link ?>"><?cs var:tab3 ?></a></li><?cs /if ?>
-            </ul>
-          <?cs /if ?>
-      <?cs if:tab1 ?></div><!-- end tab-wrapper --><?cs /if ?>
-    <?cs /if ?>
-  <?cs /if ?>
-<?cs /if ?><?cs # end if design ?>
-
-  <?cs # THIS IS THE MAIN DOC CONTENT ?>
-  <div id="jd-content">
-
-
-    <div class="jd-descr" itemprop="articleBody">
-    <?cs call:tag_list(root.descr) ?>
-    </div>
-      
-      <div class="content-footer <?cs 
-                    if:fullpage ?>wrap<?cs
-                    else ?>layout-content-row<?cs /if ?>" 
-                    itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <div class="layout-content-col <?cs 
-                    if:fullpage ?>col-16<?cs 
-                    elif:training||guide ?>col-8<?cs 
-                    else ?>col-9<?cs /if ?>" style="padding-top:4px">
-          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
-            <div class="g-plusone" data-size="medium"></div>
-          <?cs /if ?>
-        </div>
-        <?cs if:!fullscreen ?>
-        <div class="paging-links layout-content-col col-4">
-          <?cs if:(design||training||guide||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
-            <a href="#" class="prev-page-link hide"
-                zh-TW-lang="上一堂課"
-                zh-CN-lang="上一课"
-                ru-lang="Предыдущий"
-                ko-lang="이전"
-                ja-lang="前へ"
-                es-lang="Anterior"               
-                >Previous</a>
-            <a href="#" class="next-page-link hide"
-                zh-TW-lang="下一堂課"
-                zh-CN-lang="下一课"
-                ru-lang="Следующий"
-                ko-lang="다음"
-                ja-lang="次へ"
-                es-lang="Siguiente"               
-                >Next</a>
-          <?cs /if ?>
-        </div>
-        <?cs /if ?>
-      </div>
-      
-      <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
-      <?cs if:training && !page.article ?>
-      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
-          <a href="#" class="next-class-link hide">Next class: </a>
-      </div>
-      <?cs /if ?>
-
-  </div> <!-- end jd-content -->
-
-<?cs include:"footer.cs" ?>
-</div><!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
-
-
-
diff --git a/tools/droiddoc/templates-ds/head_tag.cs b/tools/droiddoc/templates-ds/head_tag.cs
deleted file mode 100644
index cb22cc38b..000000000
--- a/tools/droiddoc/templates-ds/head_tag.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<?cs if:page.metaDescription ?>
-<meta name="Description" content="<?cs var:page.metaDescription ?>">
-<?cs /if ?>
-<link rel="shortcut icon" type="image/x-icon" href="<?cs var:toroot ?>favicon.ico" />
-<title><?cs 
-  if:page.title ?><?cs 
-    var:page.title ?> | <?cs
-  /if ?>Android Developers</title>
-
-<!-- STYLESHEETS -->
-<link rel="stylesheet"
-href="<?cs if:android.whichdoc != 'online' ?>http:<?cs /if ?>//fonts.googleapis.com/css?family=Roboto:regular,medium,thin,italic,mediumitalic,bold" title="roboto">
-<link href="<?cs var:toroot ?>assets/css/default.css" rel="stylesheet" type="text/css">
-
-<?cs if:reference && !(reference.gms || reference.gcm) ?>
-<!-- FULLSCREEN STYLESHEET -->
-<link href="<?cs var:toroot ?>assets/css/fullscreen.css" rel="stylesheet" class="fullscreen"
-type="text/css">
-<?cs /if ?>
-
-<!-- JAVASCRIPT -->
-<script src="<?cs if:android.whichdoc != 'online' ?>http:<?cs /if ?>//www.google.com/jsapi" type="text/javascript"></script>
-<script src="//android-dot-devsite.googleplex.com/_static/js/android_3p-bundle.js" type="text/javascript"></script>
-<script type="text/javascript">
-  var toRoot = "<?cs var:toroot ?>";
-  <?cs if:devsite ?>
-  var devsite = true;
-  <?cs else ?>
-  var devsite = false;
-  <?cs /if ?>
-</script>
-<script src="<?cs var:toroot ?>assets/js/docs.js" type="text/javascript"></script>
-<?cs if:reference.gms || reference.gcm || google?>
-<script src="<?cs var:toroot ?>gms_navtree_data.js" type="text/javascript"></script>
-<script src="<?cs var:toroot ?>gcm_navtree_data.js" type="text/javascript"></script>
-<?cs else ?>
-<script src="<?cs var:toroot ?>navtree_data.js" type="text/javascript"></script>
-<?cs /if ?>
-
-<script type="text/javascript">
-  var _gaq = _gaq || [];
-  _gaq.push(['_setAccount', 'UA-5831155-1']);
-  _gaq.push(['_trackPageview']);
-
-  (function() {
-    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-  })();
-</script>
-</head>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-ds/nosidenavpage.cs b/tools/droiddoc/templates-ds/nosidenavpage.cs
deleted file mode 100644
index 60e042d00..000000000
--- a/tools/droiddoc/templates-ds/nosidenavpage.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html devsite>
-<?cs include:"head_tag.cs" ?>
-<body class="gc-documentation 
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>" itemscope itemtype="http://schema.org/Article">
-<a name="top"></a>
-<?cs call:custom_masthead() ?>
-
-<div id="body-content">
-<div id="doc-content" style="position:relative;">
-
-<?cs call:tag_list(root.descr) ?>
-
-<?cs include:"footer.cs" ?>
-</div><!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
-
-
-
diff --git a/tools/droiddoc/templates-ds/packages.cs b/tools/droiddoc/templates-ds/packages.cs
deleted file mode 100644
index 552c70f9d..000000000
--- a/tools/droiddoc/templates-ds/packages.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html devsite>
-<?cs include:"head_tag.cs" ?>
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>">
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
-<div class="col-12" id="doc-col">
-
-<div id="jd-header">
-<h1><?cs var:page.title ?></h1>
-</div>
-
-<div id="jd-content">
-
-<div class="jd-descr">
-<p><?cs call:tag_list(root.descr) ?></p>
-</div>
-
-<?cs set:count = #1 ?>
-<table class="jd-sumtable">
-<?cs each:pkg = docs.packages ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:pkg.since ?>" >
-        <td class="jd-linkcol"><?cs call:package_link(pkg) ?></td>
-        <td class="jd-descrcol" width="100%"><?cs call:tag_list(pkg.shortDescr) ?></td>
-    </tr>
-<?cs set:count = count + #1 ?>
-<?cs /each ?>
-</table>
-
-<?cs include:"footer.cs" ?>
-</div><!-- end jd-content -->
-</div> <!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
diff --git a/tools/droiddoc/templates-ds/sampleindex.cs b/tools/droiddoc/templates-ds/sampleindex.cs
deleted file mode 100644
index 9579dfc1b..000000000
--- a/tools/droiddoc/templates-ds/sampleindex.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<?cs set:resources="true" ?>
-<html devsite>
-<?cs include:"head_tag.cs" ?>
-<?cs include:"header.cs" ?>
-<body class="gc-documentation">
-
-
-<a name="top"></a>
-<div class="g-unit" id="doc-content">
- <div id="jd-header" class="guide-header">
-    <span class="crumb">
-      <a href="<?cs var:toroot ?>resources/browser.html?tag=sample">Sample Code</a> >
-    </span>
-  <h1><?cs var:page.title ?></h1>
- </div>
-
-<div id="jd-content">
-<p><a href="../index.html">&larr; Back</a></p>
-
-<?cs var:summary ?>
-
-  <?cs if:subcount(subdirs) ?>
-      <h2>Subdirectories</h2>
-      <ul class="nolist">
-      <?cs each:dir=subdirs ?>
-        <li><a href="<?cs var:dir.name ?>/index.html"><?cs
-          var:dir.name ?>/</a></li>
-      <?cs /each ?>
-      </ul>
-  <?cs /if ?>
-
-  <?cs if:subcount(files) ?>
-      <h2>Files</h2>
-      <ul class="nolist">
-      <?cs each:file=files ?>
-        <li><a href="<?cs var:file.href ?>"><?cs
-          var:file.name ?></a></li>
-      <?cs /each ?>
-      </ul>
-  <?cs /if ?>
-
-</div><!-- end jd-content -->
-
-<?cs include:"footer.cs" ?>
-
-</div><!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
diff --git a/tools/droiddoc/templates-ds/sdkpage.cs b/tools/droiddoc/templates-ds/sdkpage.cs
deleted file mode 100644
index 3b4ea853d..000000000
--- a/tools/droiddoc/templates-ds/sdkpage.cs
+++ /dev/null
@@ -1,492 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html devsite>
-<?cs if:sdk.redirect ?>
-  <head>
-    <title>Redirecting...</title>
-    <meta http-equiv="refresh" content="0;url=<?cs var:toroot ?>sdk/<?cs
-      if:sdk.redirect.path ?><?cs var:sdk.redirect.path ?><?cs
-      else ?>index.html<?cs /if ?>">
-    <link href="<?cs var:toroot ?>assets/android-developer-docs.css" rel="stylesheet" type="text/css" />
-  </head>
-<?cs else ?>
-  <?cs include:"head_tag.cs" ?>
-<?cs /if ?>
-<body class="gc-documentation 
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>" itemscope itemtype="http://schema.org/CreativeWork">
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
-
-<div <?cs if:fullpage
-?><?cs else
-?>class="col-13" id="doc-col"<?cs /if ?> >
-
-<?cs if:sdk.redirect ?>
-
-<div class="g-unit">
-  <div id="jd-content">
-    <p>Redirecting to
-    <a href="<?cs var:toroot ?>sdk/<?cs
-      if:sdk.redirect.path ?><?cs var:sdk.redirect.path ?><?cs
-      else ?>index.html<?cs /if ?>"><?cs
-      if:sdk.redirect.path ?><?cs var:sdk.redirect.path ?><?cs
-      else ?>Download the SDK<?cs /if ?>
-    </a> ...</p>
-
-<?cs else ?>
-<?cs # else, if NOT redirect ...
-#
-#
-# The following is for SDK/NDK pages
-#
-#
-?>
-
-<?cs if:header.hide ?><?cs else ?>
-<h1 itemprop="name"><?cs var:page.title ?></h1>
-<?cs /if ?>
-  <div id="jd-content" itemprop="description">
-
-<?cs if:sdk.not_latest_version ?>
-  <div class="special">
-    <p><strong>This is NOT the current Android SDK release.</strong></p>
-    <p><a href="/sdk/index.html">Download the current Android SDK</a></p>
-  </div>
-<?cs /if ?>
-
-
-<?cs if:ndk ?>
-<?cs #
-#
-#
-#
-#
-#
-#
-# the following is for the NDK
-#
-# (nested in if/else redirect)
-#
-#
-#
-#
-?>
-
-  <table class="download" id="download-table">
-    <tr>
-      <th>Platform</th>
-      <th>Package</th>
-      <th>Size</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td>Windows</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win_download ?>"><?cs var:ndk.win_download ?></a>
-    </td>
-    <td><?cs var:ndk.win_bytes ?> bytes</td>
-    <td><?cs var:ndk.win_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Mac OS X (intel)</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac_download ?>"><?cs var:ndk.mac_download ?></a>
-    </td>
-    <td><?cs var:ndk.mac_bytes ?> bytes</td>
-    <td><?cs var:ndk.mac_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux 32/64-bit (x86)</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux_download ?>"><?cs var:ndk.linux_download ?></a>
-    </td>
-    <td><?cs var:ndk.linux_bytes ?> bytes</td>
-    <td><?cs var:ndk.linux_checksum ?></td>
-  </tr>
-  </table>
-  
-  <?cs ########  HERE IS THE JD DOC CONTENT ######### ?>
-  <?cs call:tag_list(root.descr) ?>
-
-
-  
-<script>
-  function onDownload(link) {
-
-    $("#downloadForRealz").html("Download " + $(link).text());
-    $("#downloadForRealz").attr('href',$(link).attr('href'));
-
-    $("#tos").fadeIn('slow');
-
-    location.hash = "download";
-    return false;
-  }
-
-
-  function onAgreeChecked() {
-    if ($("input#agree").is(":checked")) {
-      $("a#downloadForRealz").removeClass('disabled');
-    } else {
-      $("a#downloadForRealz").addClass('disabled');
-    }
-  }
-
-  function onDownloadNdkForRealz(link) {
-    if ($("input#agree").is(':checked')) {
-      $("#tos").fadeOut('slow');
-      
-      $('html, body').animate({
-          scrollTop: $("#Installing").offset().top
-        }, 800, function() {
-          $("#Installing").click();
-      });
-     
-      return true;
-    } else {
-      $("label#agreeLabel").parent().stop().animate({color: "#258AAF"}, 200,
-        function() {$("label#agreeLabel").parent().stop().animate({color: "#222"}, 200)}
-      );
-      return false;
-    }
-  }
-
-  $(window).hashchange( function(){
-    if (location.hash == "") {
-      location.reload();
-    }
-  });
-
-</script>
-
-  <?cs else ?>
-<?cs # end if NDK ... 
-#
-#
-#
-#
-#
-#
-# the following is for the SDK
-#
-# (nested in if/else redirect and if/else NDK)
-#
-#
-#
-#
-?>
-  <?cs if:android.whichdoc == "online" ?>
-
-
-<?cs ########  HERE IS THE JD DOC CONTENT FOR ONLINE ######### ?>
-<?cs call:tag_list(root.descr) ?>
-
-
-
-
-<h4><a href='' class="expandable"
-  onclick="toggleExpandable(this,'.pax');hideExpandable('.myide,.reqs');return false;"
-  >DOWNLOAD FOR OTHER PLATFORMS</a></h4>
-  
-  
-<div class="pax col-13 online" style="display:none;margin:0;">
-
-  
-<p class="table-caption"><strong>ADT Bundle</strong></p>
-  <table class="download">
-    <tr>
-      <th>Platform</th>
-      <th>Package</th>
-      <th>Size</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td>Windows 32-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="win-bundle32"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.win32_bundle_download ?>"><?cs var:sdk.win32_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.win32_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.win32_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Windows 64-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="win-bundle64"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.win64_bundle_download ?>"><?cs var:sdk.win64_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.win64_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.win64_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td><nobr>Mac OS X 64-bit</nobr></td>
-    <td>
-  <a onClick="return onDownload(this)" id="mac-bundle64"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.mac64_bundle_download ?>"><?cs var:sdk.mac64_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.mac64_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.mac64_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux 32-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="linux-bundle32"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.linux32_bundle_download ?>"><?cs var:sdk.linux32_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.linux32_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.linux32_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux 64-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="linux-bundle64"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.linux64_bundle_download ?>"><?cs var:sdk.linux64_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.linux64_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.linux64_bundle_checksum ?></td>
-  </tr>
-  </table>
-
-
-<p class="table-caption"><strong>SDK Tools Only</strong></p>
-  <table class="download">
-    <tr>
-      <th>Platform</th>
-      <th>Package</th>
-      <th>Size</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td rowspan="2">Windows</td>
-    <td>
-  <a onclick="return onDownload(this)" href="http://dl.google.com/android/<?cs var:sdk.win_download
-?>"><?cs var:sdk.win_download ?></a>
-    </td>
-    <td><?cs var:sdk.win_bytes ?> bytes</td>
-    <td><?cs var:sdk.win_checksum ?></td>
-  </tr>
-  <tr>
-    <!-- blank TD from Windows rowspan -->
-    <td>
-  <a onclick="return onDownload(this)" id="win-tools" href="http://dl.google.com/android/<?cs
-var:sdk.win_installer
-?>"><?cs var:sdk.win_installer ?></a> (Recommended)
-    </td>
-    <td><?cs var:sdk.win_installer_bytes ?> bytes</td>
-    <td><?cs var:sdk.win_installer_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Mac OS X</td>
-    <td>
-  <a onclick="return onDownload(this)" id="mac-tools" href="http://dl.google.com/android/<?cs
-var:sdk.mac_download
-?>"><?cs var:sdk.mac_download ?></a>
-    </td>
-    <td><?cs var:sdk.mac_bytes ?> bytes</td>
-    <td><?cs var:sdk.mac_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux</td>
-    <td>
-  <a onclick="return onDownload(this)" id="linux-tools" href="http://dl.google.com/android/<?cs
-var:sdk.linux_download
-?>"><?cs var:sdk.linux_download ?></a>
-    </td>
-    <td><?cs var:sdk.linux_bytes ?> bytes</td>
-    <td><?cs var:sdk.linux_checksum ?></td>
-  </tr>
-  </table>
-
-</div><!-- end pax -->
-
-
-
-</div><!-- end col-13 for lower-half content -->
-  
-  
-  
-  
-<script>
-  if (location.hash == "#Requirements") {
-    $('.reqs').show();
-  } else if (location.hash == "#ExistingIDE") {
-	 $('.ide').show();
-  }
-
-  var os;
-  var bundlename;
-  var $toolslink;
-
-  if (navigator.appVersion.indexOf("Win")!=-1) {
-    os = "Windows";
-    bundlename = '#win-bundle';
-    $toolslink = $('#win-tools');
-  } else if (navigator.appVersion.indexOf("Mac")!=-1) {
-    os = "Mac";
-    bundlename = '#mac-bundle';
-    $toolslink = $('#mac-tools');
-  } else if (navigator.appVersion.indexOf("Linux")!=-1) {
-    os = "Linux";
-    bundlename = '#linux-bundle';
-    $toolslink = $('#linux-tools');
-  }
-
-  if (os) {
-    $('#not-supported').hide();
-
-    /* set up primary adt download button */
-    $('#download-bundle-button').show();
-    $('#download-bundle-button').append("Download the SDK <br/><span class='small'>ADT Bundle for " + os + "</span>");
-    $('#download-bundle-button').click(function() {return onDownload(this,true,true);}).attr('href', bundlename);
-
-    /* set up sdk tools only button */
-    $('#download-tools-button').show();
-    $('#download-tools-button').append("Download the SDK Tools for " + os);
-    $('#download-tools-button').click(function() {return onDownload(this,true);}).attr('href', $toolslink.attr('href'));
-  } else {
-    $('.pax').show();
-  }
-  
-  
-  function onDownload(link, button, bundle) {
-  
-    /* set text for download button */
-    if (button) {
-      $("#downloadForRealz").html($(link).text());
-    } else {
-      $("#downloadForRealz").html("Download " + $(link).text());
-    }
-    
-    /* if it's a bundle, show the 32/64-bit picker */
-    if (bundle) {
-      $("#downloadForRealz").attr('bundle','true');
-      if ($("#downloadForRealz").text().indexOf("Mac") == -1) {
-        $("p#bitpicker").show();
-      } else {
-        /* mac is always 64 bit, so set it checked */
-        $("p#bitpicker input[value=64]").attr('checked', true);
-      }
-      /* save link name until the bit version is chosen */
-      $("#downloadForRealz").attr('name',$(link).attr('href'));
-    } else {
-      /* if not using bundle, set download button to ignore bitpicker and set url */
-      $("#downloadForRealz").attr('bundle','false');
-      $("#downloadForRealz").attr('href',$(link).attr('href'));
-      /* set picker checked as a fake default */
-      $("p#bitpicker input[value=64]").attr('checked', true);
-      $("a#next-link").html("Setting Up an Existing IDE").attr('href',toRoot + 'sdk/installing/index.html');
-    }
-
-    $("#tos").fadeIn('fast');
-    $("#landing").fadeOut('fast');
-
-    location.hash = "download";
-    return false;
-  }
-
-
-  function onAgreeChecked() {
-    /* verify that the TOS is agreed and a bit version is chosen */
-    if ($("input#agree").is(":checked") && $("#bitpicker input:checked").length) {
-      
-      /* if downloading the bundle */
-      if ($("#downloadForRealz").attr('bundle')) {
-        /* construct the name of the link we want based on the bit version */
-        linkId = $("a#downloadForRealz").attr("name") + $("#bitpicker input:checked").val();
-        /* set the real url for download */
-        $("a#downloadForRealz").attr("href", $(linkId).attr("href"));
-      }
-      
-      /* reveal the download button */
-      $("a#downloadForRealz").removeClass('disabled');
-    } else {
-      $("a#downloadForRealz").addClass('disabled');
-    }
-  }
-
-  function onDownloadForRealz(link) {
-    if ($("input#agree").is(':checked') && $("#bitpicker input:checked").length) {
-      $("div.sdk-terms").slideUp();
-      $("#sdk-terms-form,.sdk-terms-intro").fadeOut('slow');
-      $("#next-steps").fadeIn('slow');
-      $("h1#tos-header").text('Get Ready to Code!');
-      return true;
-    } else {
-      $("label#agreeLabel,#bitpicker input").parent().stop().animate({color: "#258AAF"}, 200,
-        function() {$("label#agreeLabel,#bitpicker input").parent().stop().animate({color: "#222"}, 200)}
-      );
-      return false;
-    }
-  }
-
-  $(window).hashchange( function(){
-    if (location.hash == "") {
-      location.reload();
-    }
-  });
-
-</script>
-
-
-
-</div><!-- end the wrapper used for relative/absolute positions  -->
-<?cs # THIS DIV WAS OPENED IN INDEX.JD ?>
-
-
-
-
-  <?cs else ?> <?cs # end if online ?>
-
-    <?cs if:sdk.preview ?><?cs # it's preview offline docs ?>
-      <p>Welcome developers! We are pleased to provide you with a preview SDK for the upcoming
-    Android 3.0 release, to give you a head-start on developing applications for it.
-    </p>
-    
-      <p>See the <a
-    href="<?cs var:toroot ?>sdk/preview/start.html">Getting Started</a> document for more information
-    about how to set up the preview SDK and get started.</p>
-    <style type="text/css">
-    .non-preview { display:none; }
-    </style>
-    
-    <?cs else ?><?cs # it's normal offline docs ?>
-      
-      <?cs ########  HERE IS THE JD DOC CONTENT FOR OFFLINE ######### ?>
-      <?cs call:tag_list(root.descr) ?>
-      <style type="text/css">
-        body .offline { display:block; }
-        body .online { display:none; }
-      </style>      
-      <script>
-        $('.reqs').show();
-      </script>
-    <?cs /if ?>
-    
-  <?cs /if ?> <?cs # end if/else online ?>
-  
-<?cs /if ?> <?cs # end if/else NDK ?>
-
-<?cs /if ?> <?cs # end if/else redirect ?>
-
-
-</div><!-- end jd-content -->
-
-<?cs if:!sdk.redirect ?>
-<?cs include:"footer.cs" ?>
-<?cs /if ?>
-
-</div><!-- end g-unit -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
-
-
-
diff --git a/tools/droiddoc/templates-ds/trailer.cs b/tools/droiddoc/templates-ds/trailer.cs
deleted file mode 100644
index 1cf8793d8..000000000
--- a/tools/droiddoc/templates-ds/trailer.cs
+++ /dev/null
@@ -1,48 +0,0 @@
-</div> <!-- end body-content --> <?cs # normally opened by header.cs ?>
-
-
-
-
-<!-- Grid - for dev 
-<script type="text/javascript">
-
-window.gOverride = {
-		gColor: '#FF0000',
-		pColor: '#EEEEEE',
-		gOpacity: 0.10,
-		pOpacity: 0.40,
-		pHeight: 16,
-		pOffset: 2,
-		gColumns:16,
-		gEnabled:false,
-		pEnabled:false
-	}
-</script>
-	
-<link href="<?cs var:toroot ?>assets/js/grid/960.gridder.css" rel="stylesheet" type="text/css">
-<script src="<?cs var:toroot ?>assets/js/grid/960.gridder.js" type="text/javascript"></script>
--->
-
-
-
-<?cs if:carousel ?>
-<script type="text/javascript">
-$('.slideshow-container').dacSlideshow({
-    btnPrev: '.slideshow-prev',
-    btnNext: '.slideshow-next',
-    btnPause: '#pauseButton'
-});
-</script>
-<?cs /if ?>
-<?cs if:tabbedList ?>
-<script type="text/javascript">
-$(".feed").dacTabbedList({
-    nav_id: '.feed-nav',
-    frame_id: '.feed-frame'
-});
-</script>
-<?cs /if ?>
-<script type="text/javascript">
-init(); /* initialize android-developer-docs.js */
-</script>
-
diff --git a/tools/droiddoc/templates-ds/assets/GPL-LICENSE.txt b/tools/droiddoc/templates-ndk/assets/GPL-LICENSE.txt
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/GPL-LICENSE.txt
rename to tools/droiddoc/templates-ndk/assets/GPL-LICENSE.txt
diff --git a/tools/droiddoc/templates-ds/assets/LICENSE.txt b/tools/droiddoc/templates-ndk/assets/LICENSE.txt
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/LICENSE.txt
rename to tools/droiddoc/templates-ndk/assets/LICENSE.txt
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/android-developer-docs.css b/tools/droiddoc/templates-ndk/assets/android-developer-docs.css
similarity index 100%
rename from tools/droiddoc/templates-sdk-dyn/assets/android-developer-docs.css
rename to tools/droiddoc/templates-ndk/assets/android-developer-docs.css
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/css/default.css b/tools/droiddoc/templates-ndk/assets/css/default.css
similarity index 85%
rename from tools/droiddoc/templates-sdk-dyn/assets/css/default.css
rename to tools/droiddoc/templates-ndk/assets/css/default.css
index e26aec693..036c0eb37 100644
--- a/tools/droiddoc/templates-sdk-dyn/assets/css/default.css
+++ b/tools/droiddoc/templates-ndk/assets/css/default.css
@@ -158,12 +158,6 @@ video.with-shadow {
 .layout-content-row {
   display: inline-block;
   margin-bottom: 10px; }
-  .layout-content-row:after {
-    content: ".";
-    display: block;
-    height: 0;
-    clear: both;
-    visibility: hidden; }
   * html .layout-content-row {
     height: 1px; }
 
@@ -430,20 +424,19 @@ video.with-shadow {
 /* content header */
 .content-header {
   height: 30px;
-  margin:20px 0 25px;
-  padding:0 0 10px;}
+  margin:36px 0 23px;  /* same as h1 */
+  padding:0 0 10px;}  /* same as h1 */
 .content-header.just-links {
   margin-bottom:0;
   padding-bottom:0;}
 
 .content-header h1 {
-  color:#000;
   margin:0;
-  border-bottom:0;
   padding:0;
+  width: 700px;
 }
 .content-header > div:first-child {
-  height:55px; /* set fixed height for the header div to ensure the
+  height:1px; /* set fixed height for the header div to ensure the
                   next/prev links align with toc on training classes */
 }
 
@@ -451,7 +444,7 @@ video.with-shadow {
   border-top: 1px solid #ccc;
   margin-top: 10px;
   padding-top:10px;
-  height: 30px; }
+  width:100%; }
 
 .content-footer .col-9 {
   margin-left:0;
@@ -462,20 +455,33 @@ video.with-shadow {
 .content-footer.wrap {
   width:940px;
 }
+.content-footer .plus-container {
+  margin:5px 0 0;
+  text-align:right;
+  float:right;
+}
+
+a.back-link {
+    text-decoration: none;
+    text-transform: uppercase;
+}
 
+.content-header .paging-links {
+  margin-top:-25px;
+}
 .paging-links {
-  position: relative; }
+  position: relative;
+  height:30px; }
   .paging-links a {
     position: absolute; }
   .paging-links a,
   .training-nav-top a {
-    font-size: 14px;
-    line-height: 30px;
     color: #555555;
     text-decoration: none;
     text-transform: uppercase; }
     .paging-links .prev-page-link:before,
-    .training-nav-top .prev-page-link:before {
+    .training-nav-top .prev-page-link:before,
+    a.back-link:before {
       content: '';
       background: transparent url(../images/styles/disclosure_left.png) no-repeat scroll 50% 50%;
       width: 10px;
@@ -489,7 +495,7 @@ video.with-shadow {
     .paging-links .prev-page-link {
       left: -15px; }
     .paging-links .next-page-link {
-      right: 0px; }
+      right: 0; }
     .next-page-link:after,
     .start-class-link:after,
     .start-course-link:after,
@@ -506,6 +512,9 @@ video.with-shadow {
     .next-page-link.inline:after {
       content: none; }
 
+  .content-footer .paging-links .next-page-link {
+    left:0;
+  }
 
   .training-nav-top a {
     display:block;
@@ -544,7 +553,6 @@ video.with-shadow {
 
   .paging-links a.start-class-link {
     width:100%;
-    text-align:right;
   }
 
   /* list of classes on course landing page */
@@ -623,19 +631,6 @@ video.with-shadow {
     display:none !important;
   }
 
-  .content-footer.next-class {
-    display:block;
-    border:0;
-    margin-top:0;
-    padding-top:0;
-  }
-
-  .content-footer.next-class a.next-class-link {
-    display:block;
-    float:right;
-    text-transform:uppercase;
-  }
-
 
 
   /* inner-doc tabs w/ title */
@@ -713,6 +708,7 @@ ul#title-tabs li a:active {
     color: #33b5e5;
     border-bottom-color: #33b5e5; } }
 
+h1:target,
 h2:target,
 h3:target {
     -webkit-animation-name: glowheader;
@@ -894,7 +890,7 @@ scroll top left;
   .framed-nexus4-port-216 img {
     width: 216px;
     height: 360px; }
-    
+
 .framed-nexus5-port-span-5 {
   background: transparent url(../images/styles/device_nexus5_blank_port_span5.png) no-repeat
   scroll top left;
@@ -929,6 +925,47 @@ scroll top left;
   height: 384px;
 }
 
+/* wear device frames */
+
+.framed-wear-square {
+  background: transparent url(../images/styles/device_wear_square.png) no-repeat scroll top left;
+  background-size: 302px 302px;
+  height:222px;
+  width:222px;
+  padding:40px;
+  overflow:hidden;
+}
+
+.framed-wear-square-small {
+  background: transparent url(../images/styles/device_wear_square_small.png) no-repeat scroll top left;
+  background-size: 169px 200px;
+  height:147px;
+  width:147px;
+  padding:27px 11px;
+  overflow:hidden;
+}
+
+#jd-content
+.framed-wear-square img {
+  height:222px;
+  width: 222px;
+  padding:0;
+  margin:0;
+}
+
+#jd-content
+.framed-wear-square-small img {
+  height:147px;
+  width: 147px;
+  padding:0;
+  margin:0;
+}
+
+
+
+
+
+
 /* landing page disclosures */
 .landing-page-link {
   text-decoration: none;
@@ -1102,12 +1139,13 @@ table, fieldset {
 }
 h1 {
     color:#333;
-    font-size: 22px;
-    margin: 20px 0 20px;
+    font-size: 34px;
+    margin: 36px 0 27px;
     padding:0 0 10px;
+    font-weight:300;
 }
 h1, h2 {
-    line-height: 32px;
+    line-height: 30px;
 }
 h1.short {
   margin-right:320px;
@@ -1120,21 +1158,24 @@ h1.super {
 }
 h2 {
     color:#333;
-    font-size: 20px;
-    margin: 20px 0 20px;
+    font-size: 26px;
+    margin: 32px 0 20px;
     padding:0;
+    font-weight:300;
 }
 h3 {
     color:#333;
-    font-size: 18px;
+    font-size: 21px;
+    font-weight:400;
+    margin:21px 0 14px 0;
 }
 h3, h4 {
-    color:#333;
-    line-height: 20px;
-    margin: 10px 0;
+    line-height: 21px;
 }
 h4 {
-  font-size: 16px;
+  font-size: 18px;
+  margin: 12px 0;
+  font-weight:500;
 }
 h5 {
   font-size: 14px;
@@ -1147,7 +1188,7 @@ h6 {
 }
 hr { /* applied to the bottom of h2 elements */
   height: 1px;
-  margin: 5px 0 20px;
+  margin: 3px 0 12px;
   border: 0;
   background: #ccc;
 }
@@ -1208,7 +1249,7 @@ code {
 legend {
     display: none;
 }
-a:link, a:visited {
+a:link, a:visited, .link-color {
   color: #258aaf;
   text-decoration: none;
 }
@@ -1216,6 +1257,13 @@ a:focus, a:hover, a:active {
   color: #33B5E5;
   text-decoration: none;
 }
+a.white {
+  color: #fff;
+  text-decoration:underline;
+}
+a.white:hover, a.white:active {
+  color: #ccc !important;
+}
 strong, b {
   font-weight:bold;
   color: #222;
@@ -1249,6 +1297,7 @@ th {
 tr:first-of-type th:first-of-type:empty {
     visibility: hidden;
 }
+
 /* --------------------------------------------------------------------------
 Footer
 */
@@ -1523,6 +1572,9 @@ Header, Login, Nav-X, Search
     color: #333;
     font-size: 16px;
 }
+.about a.selected {
+    color: #9933CC;
+}
 .design a.selected {
     color: #33b5e5;
 }
@@ -1834,6 +1886,11 @@ EndColorStr='#ececec');
   margin:0 0 0 20px;
 }
 
+.training-nav-top {
+  position:relative;
+  top:73px;
+}
+
 .training-nav-bottom {
   padding:0 0 20px;
 }
@@ -1842,12 +1899,12 @@ EndColorStr='#ececec');
 #qv-wrapper {
   float:right;
   clear:right;
-  margin:0 0 0 30px; /* negative top-margin to counter the content-header bottom margin */
+  margin:6px 0 0 30px; /* negative top-margin to counter the content-header bottom margin */
   padding:0 0 30px;
 }
 
 #tb-wrapper {
-  margin:-29px 0 0 20px; /* negative top-margin to counter the content-header bottom margin */
+  margin:51px 0 0 20px; /* negative top-margin to counter the content-header bottom margin */
 }
 
 #tb,
@@ -1931,6 +1988,10 @@ EndColorStr='#ececec');
   margin:0 15px 10px 35px;
 }
 
+#tb p {
+  margin:0 15px 10px;
+}
+
 #qv ol {
   list-style:none;
   margin:0 15px 15px;
@@ -1959,28 +2020,12 @@ EndColorStr='#ececec');
 
 /* related resources blocks in checklists */
 
-.rel-resources {
-  margin:10px 0px;
-  border:1px solid #ccc;
-  background-color:rgba(0, 0, 0, 0.027451);
-  border:1px solid #ccc;
-  font-size:13px;
-  color:#6f6f6f;
-}
+/* related resources sections that have dynamic content */
 
-.rel-resources ul {
-padding: .5em 1em 0 1em;
-}
 
-.rel-resources a {
-font-weight:500;
-}
 
-.rel-resources h3 {
-  margin:4px 15px 0px 15px;
-  font-size:13px;
-  font-weight:600;
-  text-transform:uppercase;
+h3.rel-resources {
+margin:1.25em auto;
 }
 
 /* --------------------------------------------------------------------------
@@ -2360,6 +2405,13 @@ a:visited,
 #doc-col {
   margin-right:0;
 }
+
+/* Uncomment this for preview release watermark
+#doc-col {
+  background: url('../images/preview.png') repeat;
+}
+*/
+
 #doc-content-container {
   margin-left: 291px
 }
@@ -2725,19 +2777,22 @@ Butterbar
   width:100%;
 }
 #butterbar {
-  width:940px;
+  width:100%;
   margin:0 auto;
 }
 #butterbar-message {
-  background-color:#f80;
-  float:right;
-  font-size:12px;
-  font-weight:bold;
-  padding:0 10px;
-  border-radius: 0 0 5px 5px;
+  background-color:rgba(255, 187, 51, .4);
+  font-size:13px;
+  padding: 5px 0;
+  text-align:center;
+}
+a#butterbar-message {
+  cursor:pointer;
+  display:block;
+}
+a#butterbar-message:hover {
+  text-decoration:underline;
 }
-#butterbar-message a {color:#fff !important}
-#butterbar-message a:hover {text-decoration:underline;}
 
 /* --------------------------------------------------------------------------
 Misc
@@ -2761,7 +2816,7 @@ table.blank th, table.blank td {
 .caption {
   margin: 0.5em 0 2em 0;
   color: #000;
-  font-size: 11.5px; 
+  font-size: 11.5px;
 }
 
 .nolist, .nolist ul, .nolist ol {
@@ -2994,6 +3049,34 @@ a.header-toggle {
 }
 
 
+/* for IDE instruction toggle (Studio/Eclipse/Other) */
+select.ide {
+  background: transparent;
+  border: 1px solid #bbb;
+  border-left: 0;
+  border-right: 0;
+  margin: 10px 0;
+  padding: 10px 0;
+  color:#666;
+}
+select.ide,
+select.ide option {
+  font-family: inherit;
+  font-size:16px;
+  font-weight:500;
+}
+/* hide all except studio by default */
+.select-ide.eclipse,
+.select-ide.other {
+  display:none;
+}
+/* ... unless studio also includes one of the others */
+.select-ide.studio.eclipse,
+.select-ide.studio.other {
+  display:none;
+}
+
+
 /* -----------------------------------------------
 good/bad example containers
 */
@@ -3072,6 +3155,7 @@ div#deprecatedSticker {
   -webkit-box-shadow:-5px 5px 10px #ccc;
 }
 
+div#langMessage,
 div#naMessage {
   display:none;
   width:555px;
@@ -3079,6 +3163,8 @@ div#naMessage {
   margin:0 auto;
 }
 
+
+div#langMessage>div,
 div#naMessage div {
   z-index:99;
   width:450px;
@@ -3092,12 +3178,16 @@ div#naMessage div {
   -webkit-box-shadow:-10px 10px 40px #888;
 }
 /* IE6 can't position fixed */
+* html div#langMessage>div,
 * html div#naMessage div { position:absolute; }
 
 div#naMessage strong {
   font-size:1.1em;
 }
 
+div#langMessage .lang {
+  display:none;
+}
 
 /* --------------------------------------------------------------------------
 Slideshow Controls & Next/Prev
@@ -3346,28 +3436,37 @@ Page-Specific Styles
 }
 
 #jd-header {
-  padding: 0 0 5px;
-  margin: 20px 0 10px;
-  font-size:13px;
+  padding: 0 0 12px;
+  margin: 20px 0 12px;
+  font-size:12px;
+  padding-bottom:12px;
   border-bottom:solid 1px #ccc;
 }
 
 #jd-header h1 {
   margin:0;
-  padding:0;
+  padding:0 0 6px 0;
+}
+
+/* not sure if this is needed in the ref docs, disabling for now
+.jd-descr h2 {
+  margin:16px 0;
 }
+*/
 
 /* page-top-right container for reference pages (holds
 links to summary tables) */
 #api-info-block {
-  font-size:13px;
+  font-size:12px;
   margin:20px 0 0;
   padding:0 10px 6px;
   font-weight:normal;
   float:right;
   text-align:right;
   color:#999;
-  max-width:70%;
+  max-width:80%;
+  font-size: 12px;
+  line-height:14px;
 }
 
 #api-info-block div.api-level {
@@ -3384,7 +3483,8 @@ links to summary tables) */
   border-spacing:0;
   margin:0;
   padding:0;
-  font-size:13px;
+  font-size:12px;
+  line-height:14px;
   background-color:transparent;
 }
 .jd-inheritance-table tr td {
@@ -3966,7 +4066,7 @@ EndColorStr='#ececec');
   height: 38px;
 }
 #header-wrapper #nav-x ul.nav-x li {
-  margin-right: 36px !important;
+  margin-right: 31px !important;
   margin-top: 5px;
   margin-bottom: 0px;
   height: 30px;
@@ -4093,6 +4193,7 @@ EndColorStr='#ececec');
   width: 26px;
   height: 25px;
   background: url(../images/dac_logo.png);
+  background-image: -webkit-image-set(url(../images/dac_logo.png) 1x, url(../images/dac_logo@2x.png) 2x);
   z-index: 52;
   position: relative;
 }
@@ -4115,6 +4216,14 @@ EndColorStr='#ececec');
   z-index: 52;
 }
 
+/* offset the <a name=""> tags to account for sticky nav */
+body.reference a[name]:empty {
+  visibility: hidden;
+  display: block;
+  position: relative;
+  top: -56px;
+}
+
 
 }
 
@@ -4168,13 +4277,13 @@ EndColorStr='#ececec');
 }
 
 
-#header-wrap .logo.wear-logo {
+#header-wrap .logo.landing-logo {
   width:220px;
   margin:0;
   padding:0;
   margin-bottom:22px;
 }
-#header-wrap .logo.wear-logo img {
+#header-wrap .logo.landing-logo img {
   padding:0 0 0 10px;
 }
 
@@ -4246,7 +4355,7 @@ EndColorStr='#ececec');
 #quicknav {
  float:none;
  clear:both;
- margin-left:180px;
+ margin-left:0;
  margin-top:-30px;
  display:none;
  overflow:hidden;
@@ -4261,6 +4370,10 @@ EndColorStr='#ececec');
   padding:0;
 }
 
+#quicknav ul li.about {
+  border-top:1px solid #9933CC;
+}
+
 #quicknav ul li.design {
   border-top:1px solid #33b5e5;
 }
@@ -4311,7 +4424,7 @@ EndColorStr='#ececec');
 }
 
 #header-wrap.quicknav {
-  height:196px;
+  height:216px;
 
 }
 
@@ -4590,7 +4703,9 @@ EndColorStr='#ececec');
 }
 
 
-
+#landing h1 {
+  margin:17px 0 20px 0 !important;
+}
 
 a.download-sdk {
     float:right;
@@ -4761,14 +4876,14 @@ a.download-sdk {
 
 /* Slideshow */
 .slideshow-develop {
-  height: 300px;
+  height: 316px;
   width: 940px;
   position: relative;
   overflow:hidden;
 }
 .slideshow-develop .frame {
   width: 940px;
-  height: 300px;
+  height: 316px;
 }
 .slideshow-develop img.play {
   max-width:350px;
@@ -4800,6 +4915,7 @@ a.download-sdk {
   padding:0;
   margin-bottom:10px;
   border:none;
+  font-size:24px;
 }
 .slideshow-develop .item {
   height: 300px;
@@ -4972,7 +5088,8 @@ a.download-sdk {
   margin-bottom:0;
 }
 .landing-banner h1 {
-  margin-top:0;
+  margin-top:16px;
+  padding-bottom:24px;
 }
 .landing-docs,
 .landing-banner {
@@ -5127,22 +5244,6 @@ a.download-sdk {
 
 /************ DISTRIBUTE PAGES ******************/
 
-/* Article page header line fix */
-.headerLine {
-  overflow: hidden;
-}
-.headerLine h1 {
-  float: left;
-  padding-right: 20px;
-  margin-bottom: 0px;
-  font-size: 20px;
-  color: #363636;
-}
-.headerLine hr {
-  overflow: hidden;
-  margin: 42px 0 0 0;
-}
-
 .article-detail #body-content {
   padding-top: 10px;
 }
@@ -5155,7 +5256,7 @@ a.download-sdk {
   text-transform:uppercase;
   border-bottom:1px solid #CCC;
   padding:8px 0 0 1px;
-  margin-bottom:10px;
+  margin-bottom:14px;
   clear:both;
 }
 
@@ -5191,7 +5292,7 @@ a.download-sdk {
 /* Basic card-styling with shadow */
 .resource-card {
   border-radius: 1px;
-  box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.14);
+  box-shadow: 1px 2px 5px rgba(0, 0, 0, 0.12);
   background: #fefefe;
 }
 
@@ -5220,6 +5321,9 @@ a.download-sdk {
   -o-transition: opacity 0.5s;
   transition: opacity 0.5s;
 }
+.static .card-bg:after {
+  display:none;
+}
 .card-bg .card-section-icon {
   position: absolute;
   top: 50%;
@@ -5366,18 +5470,21 @@ a.download-sdk {
   content: ".";
   display: block;
   height: 0;
+  position:relative;
   clear: both;
   visibility: hidden;
 }
-
 .resource-card:hover {
   cursor: pointer;
 }
+.static .resource-card:hover {
+  cursor: auto;
+}
 .resource-card:hover .card-bg:after {
   opacity: 0;
 }
 /* disabled to make way for fade/ellipsis truncation,
-   and the plusone moves up. 
+   and the plusone moves up.
 .resource-card:hover .card-info .description .text {
   padding-right: 70px;
 } */
@@ -6289,6 +6396,17 @@ a.download-sdk {
   display: none;
 }
 
+
+/* Override to show the description instead of the content section */
+.no-section .resource-card-3x2 > .card-info .section,
+.no-section .resource-card-6x2 > .card-info .section {
+  display: none;
+}
+.no-section .resource-card-3x2 > .card-info .description,
+.no-section .resource-card-6x2 > .card-info .description {
+  display: block;
+}
+
 /* 1/2 row items */
 .resource-card-3x3 > .card-bg, .resource-card-6x3 > .card-bg, .resource-card-9x3 > .card-bg, .resource-card-12x3 > .card-bg, .resource-card-15x3 > .card-bg, .resource-card-18x3 > .card-bg {
   left: 0;
@@ -6383,4 +6501,940 @@ height:30px;
 div.jd-descr > .resource-widget[data-section=distribute\/tools]
 .section-card-menu .card-info ul li {
   border-top-color: #7e3794 !important;
-}
\ No newline at end of file
+}
+
+
+
+/**
+ * UTILITIES
+ */
+
+
+.border-box {
+  box-sizing: border-box;
+}
+
+.vertical-center-outer {
+  display: table;
+  height: 100%;
+  width: 100%;
+}
+
+.vertical-center-inner {
+  display: table-cell;
+  vertical-align: middle;
+}
+
+/**
+ * TYPE STYLES
+ */
+
+.landing-h1 {
+  font-weight: 100;
+  font-size: 60px;
+  line-height: 78px;
+  text-align: center;
+  letter-spacing: -1px;
+}
+
+.landing-pre-h1 {
+  font-weight: 400;
+  font-size: 28px;
+  color: #93B73F;
+  line-height: 36px;
+  text-align: center;
+  letter-spacing: -1px;
+  text-transform: uppercase;
+
+}
+
+.landing-h1.hero {
+  text-align: left;
+}
+
+.landing-h2 {
+  font-weight: 300;
+  font-size: 42px;
+  line-height: 64px;
+  text-align: center;
+}
+
+.landing-subhead {
+  color: #999999;
+  font-size: 20px;
+  line-height: 28px;
+  font-weight:300;
+  text-align: center;
+}
+.landing-subhead.hero {
+  text-align: left;
+  color: white;
+}
+
+.landing-hero-description {
+  text-align: left;
+  margin: 1em 0;
+}
+
+.landing-hero-description p {
+  font-weight: 300;
+  margin: 0;
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.landing-body .landing-small {
+  font-size: 14px;
+  line-height: 19px;
+}
+
+.landing-body.landing-align-center {
+  text-align: center;
+}
+
+.landing-align-left {
+  text-align: left;
+}
+
+/**
+ * LAYOUT
+ */
+
+#body-content,
+.fullpage,
+#jd-content,
+.jd-descr,
+.landing-body-content {
+  height: 100%;
+}
+
+.landing-section {
+  padding: 80px 10px 80px;
+  width: 100%;
+  margin-left: -10px;
+  text-rendering: optimizeLegibility;
+}
+
+#extending-android-to-wearables {
+  padding-top: 30px;
+}
+
+.landing-short-section {
+  padding: 40px 10px 28px;
+}
+
+.landing-gray-background {
+  background-color: #e9e9e9;
+}
+
+.landing-white-background {
+  background-color: white;
+}
+
+.landing-red-background {
+  color: white;
+  background-color: hsl(8, 70%, 54%);
+}
+
+.landing-subhead-red {
+  color: hsl(8, 71%, 84%);
+  text-align: left;
+}
+
+.landing-subhead-red p {
+  margin-top: 20px;
+}
+
+.landing-hero-container {
+  height: 100%;
+}
+
+
+.preview-hero {
+  height: calc(100% - 110px);
+  min-height: 504px;
+  margin-top: -5px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../preview/images/hero.jpg);
+  background-size: cover;
+  background-position: right center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.wear-hero {
+  height: calc(100% - 110px);
+  min-height: 504px;
+  margin-top: -5px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../wear/images/hero.jpg);
+  background-size: cover;
+  background-position: top center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.tv-hero {
+  height: calc(100% - 110px);
+  min-height: 504px;
+  margin-top: -5px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../tv/images/hero.jpg);
+  background-size: cover;
+  background-position: right center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.auto-hero {
+  height: calc(100% - 110px);
+  min-height: 504px;
+  margin-top: -5px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../auto/images/hero.jpg);
+  background-size: cover;
+  background-position: right center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.landing-hero-scrim {
+  background: black;
+  opacity: .2;
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  margin-left: -10px;
+}
+
+.landing-hero-wrap {
+  margin: 0 auto;
+  width: 940px;
+  clear: both;
+  height: 100%;
+  position: relative;
+}
+
+.landing-section-header {
+  margin-bottom: 40px;
+}
+
+.landing-hero-wrap .landing-section-header {
+  margin-bottom: 16px;
+}
+
+.landing-body {
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.landing-button {
+  white-space: nowrap;
+  display: inline-block;
+  padding: 16px 32px;
+  font-size: 18px;
+  font-weight: 500;
+  line-height: 24px;
+  cursor: pointer;
+  color: white;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+       -o-user-select: none;
+  user-select: none;
+  -webkit-transition: .2s background-color ease-in-out;
+     -moz-transition: .2s background-color ease-in-out;
+       -o-transition: .2s background-color ease-in-out;
+  transition: .2s background-color ease-in-out;
+}
+
+.landing-primary {
+  background-color: hsl(8, 70%, 44%);
+  color: #f8f8f8;
+}
+
+.landing-button.landing-primary:hover {
+  background-color: hsl(8, 70%, 36%);
+}
+
+.landing-button.landing-primary:active {
+  background-color: hsl(8, 70%, 30%);
+}
+
+.landing-button.landing-secondary {
+  background-color: #2faddb;
+}
+
+.landing-button.landing-secondary:hover {
+  background-color: #09c;
+}
+
+.landing-button.landing-secondary:active {
+  background-color: #3990ab;
+}
+
+a.landing-button,
+a.landing-button:hover,
+a.landing-button:visited {
+  color: white !important;
+}
+
+.landing-video-link {
+  white-space: nowrap;
+  display: inline-block;
+  padding: 16px 32px 16px 82px;
+  font-size: 18px;
+  font-weight: 400;
+  line-height: 24px;
+  cursor: pointer;
+  color: hsla(0, 0%, 100%, .8);
+  -webkit-user-select: none;
+     -moz-user-select: none;
+       -o-user-select: none;
+  user-select: none;
+  -webkit-transition: .2s color ease-in-out;
+     -moz-transition: .2s color ease-in-out;
+       -o-transition: .2s color ease-in-out;
+  transition: .2s color ease-in-out;
+}
+
+.landing-video-link:before {
+  height: 64px;
+  width: 64px;
+  display: inline-block;
+  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGAAAABgCAYAAADimHc4AAAFuklEQVR42u2dXWgcVRSAV9LWtBBTTZVWUhNqEQtq1QeroDRKFRFsROqTYPuo+JCiIoJKFC0USqlUfCiowRcfrBgVUUElefAPkW5T8aeaGn9aRbFsjP0x2cx8PuRMvFxmdjeb2Z17Z8+B85DsZPbO+eaec3/OPSkABdXsVI2gABSAqgJQAKoKQAGoKgAFoKoAFICqAlAAqgpAAai6DqDRAiwDeoFtwB7gPaAInABKwKToCWAMeB/YDdwJrAWWNLh9+QMAXABsBQ4A3wFTwAxQBmaBAAhjNJDPy3L938BXwAvArUCHAkh+kCXAVcA+YBw4bRg7MngtkgTlDPA98CywHmhTAP8/xCbgVeAvMZZpwDQllN7xB/AysKGlAQAXAvuBkzW85UVgCBgENlfQQbmuWAXELPAnsAvoaikAQBtwh/j3coLhS2LIfqCzzu/plL8fkvvFgZiR4L2lHrfkHQBgpQTFUwmGnwC212v0KjC2y/3jQPwDPA+05xYAcBHwubx1YZzhC02QBBBRbxgBzssdAOBy4JgRZE0ZTPuNr7FHDCbEhqNAd24AAN0yUbID7QSwsZChABut3hANXY8Bq70HIMb/Ocb4w81+66v0hmGrN0QQ1ngLQJYRvpWHMWWo4KDIaMnuCcVKgdlZAGL8t2J8vpPGrwChDLyWBMFlAA8D0z4ZvwKEs8D93gCQEc9Jy/jFgkdizaRDGUSs8wXAu1bQLQE9ngHosWbPAXDQeQAypT9rBd3+gociyxi2K9riLABZUj5iuZ6RgsciM2OzFxw2A7JrAO6VwGtKTwpG+Anoy9AVmb3gDHCPcwCAFcChRox6jPu9CazMeFQUAKNRL3AJwE2yopjq228BQPZ/d2bcCyaBTa4BeNGa8Q6naIA4GQWubiKEYWvBbp8zAGQt5VfL/fQ3GEAkTzXDLVkjokA2k5a7AuA2GaLNj/tTfvhq0pQgbcwLQtlQusYVALtlzSR191MjADNI9zbJDZWBR10BMGr5/4GMADQ0SAMDlht62xUAxy0AmzMEEMnhtIO0ZF2YAH5wITd0hQw/5wE04M1bjDyXZpC2hqMlYGnWAHqBf40APOEYgChI35VSWyasWfGqrAH0WVkOIw4CSC1IG2tDoSy7XJE1gPs8ArDoIG0BmJGk30wBDHgGYFFBOgbAtqwB7GxxAHerC8rOBU0Dt2gQzjYIb8gawDor+6HVhqFdrkzEwhabiAVOTMSkUb+06FLEUVfWgj5q0cW4g64AeNo66ZLlcnTDNmesBN4y8KArAG6QU42ttCEzBVzpCoAO4EfLDeV5SzIEvgHaXdqUP2BlQud1Ux55zj2uZUX02cPRnKalRLmu17qYmPWF5YbymJgVAh8Ay5wCII3ZEZOYm6fURGT2u9X43Mnk3CDHybmfmRVYXExPv9nKEcpLejqSC3SjdY2TBzTesHqB7wc0onTEV2KucxLApXKkJy9HlAI5anuJFwCkYQ/EuCJfD+mdBnYkXOssgHY53un7MdVZ4CVgqVcADAhjMafkfTioHc14P04yvvMApIEXy5F/+7S8y6UKolPyR4BVVf7Wi2IdawwIPhTrmAW+rmZ8bwBIQ7vloXwoVzNWS6UUrwAYy9YfOlqwKZDkgneA5Qu4l3cly84F9sqGhislywLmaozuYoGFXr0DII1ukxP1hxJ6QzR7HqLxRfumZaRzXZ3f4XXZyi7gCeB3kqsnzs+kSb9s5XHgMeD8RTxDLgq3rmeuYuFvNYCoR8wqujNi+L3UWBcu9wAMt3QZ8LiMlk5RuU50teq6kcEDgTolveIRYHUQBOek1O5cFu/ukLz7/ZJgNSm+OirebWpgaPS7slxfAr4EngGuX8jopqUBxGzyrAVuB54EXgc+lV4yLhO8cfn5E+ZqUD8kBu9sQvv0Hzj4rmoEBaAAVBWAAlBVAApAVQEoAFUFoABUFYACUFUACkC1CfofXVRJocowZVYAAAAASUVORK5CYII=);
+  background-size: contain;
+  position: absolute;
+  content: "";
+  opacity: .7;
+  margin-top: -19px;
+  margin-left: -64px;
+  -webkit-transition: .2s opacity ease-in-out;
+     -moz-transition: .2s opacity ease-in-out;
+       -o-transition: .2s opacity ease-in-out;
+  transition: .2s opacity ease-in-out;
+}
+
+.landing-video-link:hover {
+  color: hsla(0, 0%, 100%, 1);
+}
+
+.landing-video-link:hover:before {
+  opacity: 1;
+}
+
+.landing-social-image {
+  float: left;
+  margin-right: 14px;
+  height: 64px;
+  width: 64px;
+}
+
+.landing-social-copy {
+  padding-left: 78px;
+}
+
+.landing-scroll-down-affordance {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  text-align: center;
+  z-index: 10;
+}
+
+.landing-down-arrow {
+  padding: 24px;
+  display: inline-block;
+  opacity: .5;
+  -webkit-transition: .2s opacity ease-in-out;
+     -moz-transition: .2s opacity ease-in-out;
+       -o-transition: .2s opacity ease-in-out;
+  transition: .2s opacity ease-in-out;
+
+  -webkit-animation-name: pulse-opacity;
+  -webkit-animation-duration: 4s;
+}
+
+.landing-down-arrow:hover {
+  opacity: 1;
+}
+
+.landing-down-arrow img {
+  height: 28px;
+  width: 28px;
+  margin: 0 auto;
+  display: block;
+}
+
+.landing-divider {
+  display: inline-block;
+  height: 2px;
+  background-color: white;
+  position: relative;
+  margin: 10px 0;
+}
+
+/* 3 CLOLUMN LAYOUT */
+
+.landing-breakout {
+  margin-top: 40px;
+  margin-bottom: 40px;
+}
+
+.landing-breakout img {
+  margin-bottom: 20px;
+}
+
+.landing-partners img {
+  margin-bottom: 20px;
+}
+
+.landing-breakout p {
+  padding: 0 23px;
+}
+
+.landing-breakout.landing-partners img {
+  margin-bottom: 20px;
+}
+
+.col-3-wide {
+  display: inline;
+  float: left;
+  margin-left: 10px;
+  margin-right: 10px;
+}
+
+.col-3-wide {
+  width: 302px;
+}
+
+/**
+ * ANIMATION
+ */
+
+@-webkit-keyframes pulse-opacity {
+  0% {
+    opacity: .5;
+  }
+  20% {
+    opacity: .5;
+  }
+  40% {
+    opacity: 1;
+  }
+  60% {
+    opacity: .5;
+  }
+  80% {
+    opacity: 1;
+  }
+  100% {
+    opacity: .5;
+  }
+}
+
+
+
+/**
+ * VIDEO
+ */
+
+#video-container {
+  display:none;
+  position:fixed;
+  top:0;
+  left:0;
+  width:100%;
+  height:100%;
+  background-color:rgba(0,0,0,0.8);
+  z-index:9999;
+}
+
+#video-frame {
+  width:940px;
+  height:100%;
+  margin:72px auto;
+  display:none;
+  position:relative;
+}
+
+.video-close {
+  cursor: pointer;
+  position: absolute;
+  right: -49px;
+  top: -49px;
+  pointer-events: all;
+}
+
+#icon-video-close {
+  background-image: url("../images/close-white.png");
+  background-image: -webkit-image-set(url(../images/close-white.png) 1x, url(../images/close-white_2x.png) 2x);
+  background-repeat: no-repeat;
+  background-position: 0 0;
+  background-size: 36px 36px;
+  height: 36px;
+  width: 36px;
+  display:block;
+}
+
+#icon-video-close:hover {
+  background-image: url("../images/close-grey.png");
+  background-image: -webkit-image-set(url(../images/close-grey.png) 1x, url(../images/close-grey_2x.png) 2x);
+}
+
+/* Preload the hover images */
+a.video-shadowbox-button.white:after {
+  display:none;
+  content:url("../images/close-grey.png") url("../images/close-grey_2x.png");
+}
+
+a.video-shadowbox-button.white {
+  background-image: url("../images/play-circle-white.png");
+  background-image: -webkit-image-set(url(../images/play-circle-white.png) 1x, url(../images/play-circle-white_2x.png) 2x);
+  background-size: 36px 36px;
+  background-repeat: no-repeat;
+  background-position: right;
+  padding: 16px 42px 16px 8px;
+  font-size: 18px;
+  font-weight: 500;
+  line-height: 24px;
+  color: #fff;
+  text-decoration:none;
+}
+
+a.video-shadowbox-button.white:hover {
+  color:#bababa !important;
+  background-image: url("../images/play-circle-grey.png");
+  background-image: -webkit-image-set(url(../images/play-circle-grey.png) 1x, url(../images/play-circle-grey_2x.png) 2x);
+}
+
+/* Preload the hover images */
+a.video-shadowbox-button.white:after {
+  display:none;
+  content:url("../images/play-circle-grey.png") url("../images/play-circle-grey_2x.png");
+}
+
+/******************
+Styles for d.a.c/index:
+*******************/
+
+
+
+/* Generic full screen carousel styling to be used across pages. */
+.fullscreen-carousel {
+  margin: 0 -10px;
+  width: 100%;
+  overflow: hidden;
+  position: relative;
+}
+
+.fullscreen-carousel-content {
+  width: 100%;
+  height: 100%;
+  position: relative;
+  display: table; /* For vertical centering */
+}
+
+.fullscreen-carousel .vcenter {
+  display: table-cell;
+  vertical-align: middle;
+  position: relative;
+}
+
+.fullscreen-carousel .vcenter > div {
+  margin: 10px auto;
+}
+
+/* Styles for the full-bleed hero image type. */
+.fullscreen-carousel .hero, .fullscreen-carousel .hero h1 {
+  color: #fff;
+}
+
+.fullscreen-carousel .hero h1 {
+  font-weight: 300;
+  font-size: 60px;
+  line-height: 68px;
+  letter-spacing: -1px;
+  margin-top: 0;
+}
+
+.fullscreen-carousel .hero p {
+  font-weight: 300;
+  font-size: 18px;
+  line-height: 24px;
+  -webkit-font-smoothing: antialiased;
+}
+
+.fullscreen-carousel .hero .hero-bg {
+  background-size: cover;
+  width: 100%;
+  height: 100%;
+  position: absolute;
+  left: 0px;
+  top: 0px;
+}
+
+
+/* Full screen carousel styling for the resource flow layout type of content */
+.fullscreen-carousel .resource-flow-layout:after {
+  height: 0; /* Dont know why this is set at 10 in default.css */
+}
+
+.fullscreen-carousel .resource-flow-layout {
+  margin-bottom: 20px;
+}
+
+
+
+/* Generic Tab carousel styling to be used across multiple pages. */
+
+.tab-carousel .tab-nav {
+  list-style: none;
+  position: relative;
+  text-align: center;
+}
+
+.tab-carousel .tab-nav li {
+  display: inline-block;
+  font-size: 22px;
+  font-weight: 400;
+  line-height: 50px;
+  list-style: none;
+  margin: 0;
+  padding: 0 25px;
+  position: relative;
+}
+
+.tab-carousel .tab-nav li a,
+.tab-carousel .tab-nav li a:hover {
+  color: #333 !important;
+  padding: 10px 10px 13px 10px;
+  position: relative;
+  z-index: 1000;
+}
+
+.tab-carousel .tab-nav li:after {
+  background: #ddd;
+  bottom: 0;
+  content: '';
+  height: 4px;
+  left: 0;
+  position: absolute;
+  width: 100%;
+  z-index: 0;
+}
+
+.tab-carousel .tab-nav .highlight {
+  position: absolute;
+  height: 4px;
+  width: 100px;
+  bottom: 0;
+  background: #33b5e5;
+}
+
+.tab-carousel .tab-carousel-content {
+  position: relative;
+  overflow: hidden;
+  white-space: nowrap;
+}
+
+.tab-carousel .tab-carousel-content [data-tab] {
+  display: inline-block;
+  white-space: normal;
+}
+
+
+
+/*
+  Resource styling for the tab carousel. The tab carousel contains either
+  a 3 column layout of resources or a single full-width resource. The
+  latter has the 18x12 class applied to it and can be styled differently
+  that way.
+*/
+
+.tab-carousel .resource .image {
+  width: 100%;
+  height: 250px;
+  background-repeat: no-repeat;
+  background-size: contain;
+  background-position: 50% 50%;
+}
+
+.tab-carousel .resource .info .title {
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.tab-carousel .resource .info .summary,
+.tab-carousel .resource .info .cta {
+  line-height: 24px;
+  font-size: 16px;
+}
+
+.tab-carousel .resource-card-18x12 {
+  position: relative;
+  padding-left: 450px;
+  box-sizing: border-box;
+  display: table-cell;
+  vertical-align: middle;
+}
+
+.tab-carousel .resource-card-18x12 .image {
+  position: absolute;
+  width: 420px;
+  height: 100%;
+  left: 0;
+  top: 0;
+}
+
+.tab-carousel .resource-card-18x12 .info {
+  display: inline-block;
+}
+
+.tab-carousel .resource-card-18x12 .info .title {
+  margin-bottom: 26px;
+}
+
+
+
+
+
+/*
+   Styles for the entity link used in the actions bar and in the cta of
+   the resources that appear in the tab carousel.
+*/
+.actions-bar a:after,
+.resource .cta:after {
+  content: '›';
+  font-weight: 400;
+  font-size: 22px;
+  left: 5px;
+  line-height: 1;
+  position: relative;
+  top: 1px;
+  transition: left 190ms ease-out;
+}
+
+.actions-bar a:hover:after,
+.resource .cta:hover:after {
+  left: 10px;
+}
+
+
+
+
+/*
+  Styles for the actions bar.
+*/
+.actions-bar {
+  background: #9acd00;
+  margin: 0 -10px;
+  text-align: center;
+}
+
+.actions-bar .actions {
+  padding: 30px 0 30px;
+  text-align: justify;
+  font-size: 0.1px;
+  line-height: 0.1px;
+  margin: 0 10px 0 0;
+}
+
+.actions-bar .actions:after {
+  content: '';
+  width: 100%;
+  display: inline-block;
+}
+
+.actions-bar .actions > div {
+  display: inline-block;
+}
+
+.actions-bar a {
+  font-size: 21px;
+  line-height: 27px;
+  color: #fff;
+  font-weight: 300;
+  -webkit-font-smoothing: antialiased;
+}
+
+.actions-bar a:after {
+  top: 0px;
+  font-size: 22px;
+}
+
+.actions-bar a:hover {
+  color: #fff !important;
+}
+
+
+
+
+
+/*
+  Specific styles for new home page layout of the carousels.
+*/
+
+/* Big blue button */
+a.home-new-cta-btn,
+.home-new-carousel-1 .resource-card-18x6 .cta {
+  white-space: nowrap;
+  display: inline-block;
+  padding: 14px 32px;
+  font-size: 18px;
+  font-weight: 500;
+  line-height: 24px;
+  cursor: pointer;
+  background: #33b5e6;
+  border-radius: 4px;
+  margin-top: 20px;
+  color: #fff;
+  transition: 0.2s background-color ease-in-out;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .cta:after {
+  display: none; /* Hide the entity for this button */
+}
+
+a.home-new-cta-btn:hover,
+.home-new-carousel-1 .resource-card-18x6 .cta:hover {
+  color: #fff !important;
+  background: #2d9fca;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .cta {
+  position: absolute;
+  bottom: 20px;
+  left: 16px;
+}
+
+/* Fullscreen carousel. */
+.home-new-carousel-1 {
+  max-height: 700px; /* Set max height so doesn't get too long */
+}
+
+.home-new-carousel-1 .fullscreen-carousel-content {
+  min-height: 450px;  /* Set min height for all content */
+}
+
+.home-new-carousel-1 .hero {
+  background: #000;
+}
+
+.home-new-carousel-1 .hero-bg {
+  background-image: url(/home-new/images/hero.jpg);
+  background-position: right center;
+  opacity: 0.85;
+}
+
+/*
+  Styling for special top card of full screen layout resource layout.
+  We need to specifically style the 18x6 card to adjust its size and layout,
+  since it's not a standard card, not sure if this is unique to the home page
+  layout or should be namespaced within the fullscreen-carousel container.
+*/
+.home-new-carousel-1 .resource-flow-layout.col-16 .resource-card-18x6 {
+  height: 320px;
+  background-color:#F9F9F9;
+  border-radius: 0px;
+  box-shadow: 0px 0px 0px rgba(0, 0, 0, 0);
+
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-bg {
+  width: 636px;
+  height: 100%;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info {
+  right: 0px;
+  left: 636px;
+  height: 100%;
+  top: 0px;
+  padding: 15px 22px;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info .util {
+  display: none;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info .title {
+  font-size: 20px;
+  font-weight: 500;
+  margin-top: 15px;
+  margin-bottom: 15px;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info .text {
+  font-size: 15px;
+  line-height: 21px;
+}
+
+
+/* Tabbed carousel. */
+.home-new-carousel-2 {
+  margin: 35px auto 100px auto;
+}
+
+.home-new-carousel-2 h1 {
+  font-size: 47px;
+  font-weight: 100;
+  line-height: 54px;
+  text-align: center;
+}
+
+.annotation-message {
+    display: block;
+    font-style: italic;
+    color: #F80;
+}
+
+
+
+/* Helpouts widget */
+.resource-card-6x2.helpouts-card {
+  width: 255px;
+  height: 40px;
+  position:absolute;
+  z-index:999;
+  top:-8px;
+  right:1px;
+}
+
+.resource-card-6x2.helpouts-card > .card-info {
+  left:35px;
+  height:35px;
+  padding:4px 8px 4px 0;
+}
+
+.resource-card-6x2.helpouts-card > .card-info .helpouts-description {
+  display:block;
+  overflow:visible;
+  font-size:12px;
+  line-height:12px;
+  text-align:right;
+  color:#666;
+}
+
+.helpouts-description .link-color {
+  text-transform: uppercase;
+}
+
+.resource-card-6x2 > .card-bg.helpouts-card-bg {
+  width:35px;
+  height:35px;
+  margin:2px 0 0 0;
+  background-image: url(../images/styles/helpouts-logo-35_2x.png);
+  background-image: -webkit-image-set(url(../images/styles/helpouts-logo-35.png) 1x, url(../images/styles/helpouts-logo-35_2x.png) 2x);
+}
+
+.resource-card-6x2 > .card-bg.helpouts-card-bg:after {
+  display:none;
+}
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/css/fullscreen.css b/tools/droiddoc/templates-ndk/assets/css/fullscreen.css
similarity index 99%
rename from tools/droiddoc/templates-sdk-dyn/assets/css/fullscreen.css
rename to tools/droiddoc/templates-ndk/assets/css/fullscreen.css
index 53d9a6462..7912e3490 100644
--- a/tools/droiddoc/templates-sdk-dyn/assets/css/fullscreen.css
+++ b/tools/droiddoc/templates-ndk/assets/css/fullscreen.css
@@ -197,9 +197,6 @@ body {
   left:-20px;
 }
 
-
-}
-
 .col-right {
   margin-right:0px;
 }
diff --git a/tools/droiddoc/templates-ds/assets/design/default.js b/tools/droiddoc/templates-ndk/assets/design/default.js
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/design/default.js
rename to tools/droiddoc/templates-ndk/assets/design/default.js
diff --git a/tools/droiddoc/templates-ds/assets/images/icon_more.png b/tools/droiddoc/templates-ndk/assets/images/icon_more.png
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/images/icon_more.png
rename to tools/droiddoc/templates-ndk/assets/images/icon_more.png
diff --git a/tools/droiddoc/templates-ds/assets/images/icon_search.png b/tools/droiddoc/templates-ndk/assets/images/icon_search.png
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/images/icon_search.png
rename to tools/droiddoc/templates-ndk/assets/images/icon_search.png
diff --git a/tools/droiddoc/templates-ds/assets/images/more_bottom.png b/tools/droiddoc/templates-ndk/assets/images/more_bottom.png
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/images/more_bottom.png
rename to tools/droiddoc/templates-ndk/assets/images/more_bottom.png
diff --git a/tools/droiddoc/templates-ds/assets/images/more_mid.png b/tools/droiddoc/templates-ndk/assets/images/more_mid.png
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/images/more_mid.png
rename to tools/droiddoc/templates-ndk/assets/images/more_mid.png
diff --git a/tools/droiddoc/templates-ds/assets/images/more_top.png b/tools/droiddoc/templates-ndk/assets/images/more_top.png
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/images/more_top.png
rename to tools/droiddoc/templates-ndk/assets/images/more_top.png
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/js/android_3p-bundle.js b/tools/droiddoc/templates-ndk/assets/js/android_3p-bundle.js
similarity index 100%
rename from tools/droiddoc/templates-sdk-dyn/assets/js/android_3p-bundle.js
rename to tools/droiddoc/templates-ndk/assets/js/android_3p-bundle.js
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/js/docs.js b/tools/droiddoc/templates-ndk/assets/js/docs.js
similarity index 83%
rename from tools/droiddoc/templates-sdk-dyn/assets/js/docs.js
rename to tools/droiddoc/templates-ndk/assets/js/docs.js
index e6befe36d..192d2190a 100644
--- a/tools/droiddoc/templates-sdk-dyn/assets/js/docs.js
+++ b/tools/droiddoc/templates-ndk/assets/js/docs.js
@@ -19,9 +19,19 @@ $.ajaxSetup({
 
 /******  ON LOAD SET UP STUFF *********/
 
-var navBarIsFixed = false;
 $(document).ready(function() {
 
+  // show lang dialog if the URL includes /intl/
+  //if (location.pathname.substring(0,6) == "/intl/") {
+  //  var lang = location.pathname.split('/')[2];
+   // if (lang != getLangPref()) {
+   //   $("#langMessage a.yes").attr("onclick","changeLangPref('" + lang
+   //       + "', true); $('#langMessage').hide(); return false;");
+  //    $("#langMessage .lang." + lang).show();
+   //   $("#langMessage").show();
+   // }
+  //}
+
   // load json file for JD doc search suggestions
   $.getScript(toRoot + 'jd_lists_unified.js');
   // load json file for Android API search suggestions
@@ -64,7 +74,12 @@ $(document).ready(function() {
   $('.scroll-pane').jScrollPane( {verticalGutter:0} );
 
   // add HRs below all H2s (except for a few other h2 variants)
-  $('h2').not('#qv h2').not('#tb h2').not('.sidebox h2').not('#devdoc-nav h2').not('h2.norule').css({marginBottom:0}).after('<hr/>');
+  $('h2').not('#qv h2')
+         .not('#tb h2')
+         .not('.sidebox h2')
+         .not('#devdoc-nav h2')
+         .not('h2.norule').css({marginBottom:0})
+         .after('<hr/>');
 
   // set up the search close button
   $('.search .close').click(function() {
@@ -169,6 +184,18 @@ $(document).ready(function() {
     $("#header li.design a").addClass("selected");
     $("#sticky-header").addClass("design");
 
+  // highlight About tabs
+  } else if ($("body").hasClass("about")) {
+    var rootDir = pagePathOriginal.substring(1,pagePathOriginal.indexOf('/', 1));
+    if (rootDir == "about") {
+      $("#nav-x li.about a").addClass("selected");
+    } else if (rootDir == "wear") {
+      $("#nav-x li.wear a").addClass("selected");
+    } else if (rootDir == "tv") {
+      $("#nav-x li.tv a").addClass("selected");
+    } else if (rootDir == "auto") {
+      $("#nav-x li.auto a").addClass("selected");
+    }
   // highlight Develop tab
   } else if ($("body").hasClass("develop") || $("body").hasClass("google")) {
     $("#header li.develop a").addClass("selected");
@@ -192,6 +219,16 @@ $(document).ready(function() {
       $("#nav-x li.google a").addClass("selected");
     } else if ($("body").hasClass("samples")) {
       $("#nav-x li.samples a").addClass("selected");
+    } else if (rootDir == "ndk") {
+      if ($("body").hasClass("guide")) {
+        $("#nav-x li.guide a").addClass("selected");
+      } else if ($("body").hasClass("samples")) {
+        $("#nav-x li.samples a").addClass("selected");
+      } else if ($("body").hasClass("downloads")) {
+        $("#nav-x li.downloads a").addClass("selected");
+      } else if ($("body").hasClass("reference")) {
+        $("#nav-x li.reference a").addClass("selected");
+      }
     }
 
   // highlight Distribute tab
@@ -207,6 +244,8 @@ $(document).ready(function() {
       $("#nav-x li.engage a").addClass("selected");
     } else if (secondFrag == "monetize") {
       $("#nav-x li.monetize a").addClass("selected");
+    } else if (secondFrag == "analyze") {
+      $("#nav-x li.analyze a").addClass("selected");
     } else if (secondFrag == "tools") {
       $("#nav-x li.disttools a").addClass("selected");
     } else if (secondFrag == "stories") {
@@ -218,7 +257,7 @@ $(document).ready(function() {
     }
   } else if ($("body").hasClass("about")) {
     $("#sticky-header").addClass("about");
-  } 
+  }
 
   // set global variable so we can highlight the sidenav a bit later (such as for google reference)
   // and highlight the sidenav
@@ -239,7 +278,7 @@ $(document).ready(function() {
     var crossBoundaries = ($("body.design").length > 0) || ($("body.guide").length > 0) ? true :
 false; // navigate across topic boundaries only in design docs
     if ($prevListItem.length) {
-      if ($prevListItem.hasClass('nav-section')) {
+      if ($prevListItem.hasClass('nav-section') || crossBoundaries) {
         // jump to last topic of previous section
         $prevLink = $prevListItem.find('a:last');
       } else if (!$selListItem.hasClass('nav-section')) {
@@ -262,7 +301,6 @@ false; // navigate across topic boundaries only in design docs
     // set up next links
     var $nextLink = [];
     var startClass = false;
-    var training = $(".next-class-link").length; // decides whether to provide "next class" link
     var isCrossingBoundary = false;
 
     if ($selListItem.hasClass('nav-section') && $selListItem.children('div.empty').length == 0) {
@@ -289,13 +327,15 @@ false; // navigate across topic boundaries only in design docs
       if ($nextLink.length == 0) {
         isCrossingBoundary = true;
         // no more topics in this section, jump to the first topic in the next section
-        $nextLink = $selListItem.parents('li:eq(0)').next('li.nav-section').find('a:eq(0)');
+        $nextLink = $selListItem.parents('li:eq(0)').next('li').find('a:eq(0)');
         if (!$nextLink.length) {  // Go up another layer to look for next page (lesson > class > course)
           $nextLink = $selListItem.parents('li:eq(1)').next('li.nav-section').find('a:eq(0)');
           if ($nextLink.length == 0) {
             // if that doesn't work, we're at the end of the list, so disable NEXT link
             $('.next-page-link').attr('href','').addClass("disabled")
                                 .click(function() { return false; });
+            // and completely hide the one in the footer
+            $('.content-footer .next-page-link').hide();
           }
         }
       }
@@ -314,13 +354,19 @@ false; // navigate across topic boundaries only in design docs
       $('.next-page-link').attr('href','')
                           .removeClass("hide").addClass("disabled")
                           .click(function() { return false; });
+      // and completely hide the one in the footer
+      $('.content-footer .next-page-link').hide();
       if ($nextLink.length) {
         $('.next-class-link').attr('href',$nextLink.attr('href'))
-                             .removeClass("hide").append($nextLink.html());
+                             .removeClass("hide")
+                             .append(": " + $nextLink.html());
         $('.next-class-link').find('.new').empty();
       }
     } else {
-      $('.next-page-link').attr('href', $nextLink.attr('href')).removeClass("hide");
+      $('.next-page-link').attr('href', $nextLink.attr('href'))
+                          .removeClass("hide");
+      // for the footer link, also add the next page title
+      $('.content-footer .next-page-link').append(": " + $nextLink.html());
     }
 
     if (!startClass && $prevLink.length) {
@@ -332,14 +378,6 @@ false; // navigate across topic boundaries only in design docs
       }
     }
 
-    // If this is a training 'article', there should be no prev/next nav
-    // ... if the grandparent is the "nav" ... and it has no child list items...
-    if (training && $selListItem.parents('ul').eq(1).is('[id="nav"]') &&
-        !$selListItem.find('li').length) {
-      $('.next-page-link,.prev-page-link').attr('href','').addClass("disabled")
-                          .click(function() { return false; });
-    }
-
   }
 
 
@@ -347,7 +385,20 @@ false; // navigate across topic boundaries only in design docs
   // Set up the course landing pages for Training with class names and descriptions
   if ($('body.trainingcourse').length) {
     var $classLinks = $selListItem.find('ul li a').not('#nav .nav-section .nav-section ul a');
-    var $classDescriptions = $classLinks.attr('description');
+
+    // create an array for all the class descriptions
+    var $classDescriptions = new Array($classLinks.length);
+    var lang = getLangPref();
+    $classLinks.each(function(index) {
+      var langDescr = $(this).attr(lang + "-description");
+      if (typeof langDescr !== 'undefined' && langDescr !== false) {
+        // if there's a class description in the selected language, use that
+        $classDescriptions[index] = langDescr;
+      } else {
+        // otherwise, use the default english description
+        $classDescriptions[index] = $(this).attr("description");
+      }
+    });
 
     var $olClasses  = $('<ol class="class-list"></ol>');
     var $liClass;
@@ -359,7 +410,7 @@ false; // navigate across topic boundaries only in design docs
     $classLinks.each(function(index) {
       $liClass  = $('<li></li>');
       $h2Title  = $('<a class="title" href="'+$(this).attr('href')+'"><h2>' + $(this).html()+'</h2><span></span></a>');
-      $pSummary = $('<p class="description">' + $(this).attr('description') + '</p>');
+      $pSummary = $('<p class="description">' + $classDescriptions[index] + '</p>');
 
       $olLessons  = $('<ol class="lesson-list"></ol>');
 
@@ -398,7 +449,7 @@ false; // navigate across topic boundaries only in design docs
     var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
     setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
     // make sidenav behave when resizing the window and side-scolling is a concern
-    if (navBarIsFixed) {
+    if (sticky) {
       if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
         updateSideNavPosition();
       } else {
@@ -482,7 +533,11 @@ false; // navigate across topic boundaries only in design docs
     }
   }
 
+  // Resize once loading is finished
   resizeNav();
+  // Check if there's an anchor that we need to scroll into view.
+  // A delay is needed, because some browsers do not immediately scroll down to the anchor
+  window.setTimeout(offsetScrollForSticky, 100);
 
   /* init the language selector based on user cookie for lang */
   loadLangPref();
@@ -515,10 +570,147 @@ false; // navigate across topic boundaries only in design docs
     cookiePath = "distribute_";
   }
 
+
+  /* setup shadowbox for any videos that want it */
+  var $videoLinks = $("a.video-shadowbox-button, a.notice-developers-video");
+  if ($videoLinks.length) {
+    // if there's at least one, add the shadowbox HTML to the body
+    $('body').prepend(
+'<div id="video-container">'+
+  '<div id="video-frame">'+
+    '<div class="video-close">'+
+      '<span id="icon-video-close" onclick="closeVideo()">&nbsp;</span>'+
+    '</div>'+
+    '<div id="youTubePlayer"></div>'+
+  '</div>'+
+'</div>');
+
+    // loads the IFrame Player API code asynchronously.
+    $.getScript("https://www.youtube.com/iframe_api");
+
+    $videoLinks.each(function() {
+      var videoId = $(this).attr('href').split('?v=')[1];
+      $(this).click(function(event) {
+        event.preventDefault();
+        startYouTubePlayer(videoId);
+      });
+    });
+  }
 });
 // END of the onload event
 
 
+var youTubePlayer;
+function onYouTubeIframeAPIReady() {
+}
+
+/* Returns the height the shadowbox video should be. It's based on the current
+   height of the "video-frame" element, which is 100% height for the window.
+   Then minus the margin so the video isn't actually the full window height. */
+function getVideoHeight() {
+  var frameHeight = $("#video-frame").height();
+  var marginTop = $("#video-frame").css('margin-top').split('px')[0];
+  return frameHeight - (marginTop * 2);
+}
+
+var mPlayerPaused = false;
+
+function startYouTubePlayer(videoId) {
+  $("#video-container").show();
+  $("#video-frame").show();
+  mPlayerPaused = false;
+
+  // compute the size of the player so it's centered in window
+  var maxWidth = 940;  // the width of the web site content
+  var videoAspect = .5625; // based on 1280x720 resolution
+  var maxHeight = maxWidth * videoAspect;
+  var videoHeight = getVideoHeight();
+  var videoWidth = videoHeight / videoAspect;
+  if (videoWidth > maxWidth) {
+    videoWidth = maxWidth;
+    videoHeight = maxHeight;
+  }
+  $("#video-frame").css('width', videoWidth);
+
+  // check if we've already created this player
+  if (youTubePlayer == null) {
+    // check if there's a start time specified
+    var idAndHash = videoId.split("#");
+    var startTime = 0;
+    if (idAndHash.length > 1) {
+      startTime = idAndHash[1].split("t=")[1] != undefined ? idAndHash[1].split("t=")[1] : 0;
+    }
+    // enable localized player
+    var lang = getLangPref();
+    var captionsOn = lang == 'en' ? 0 : 1;
+
+    youTubePlayer = new YT.Player('youTubePlayer', {
+      height: videoHeight,
+      width: videoWidth,
+      videoId: idAndHash[0],
+      playerVars: {start: startTime, hl: lang, cc_load_policy: captionsOn},
+      events: {
+        'onReady': onPlayerReady,
+        'onStateChange': onPlayerStateChange
+      }
+    });
+  } else {
+    // reset the size in case the user adjusted the window since last play
+    youTubePlayer.setSize(videoWidth, videoHeight);
+    // if a video different from the one already playing was requested, cue it up
+    if (videoId != youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0]) {
+      youTubePlayer.cueVideoById(videoId);
+    }
+    youTubePlayer.playVideo();
+  }
+}
+
+function onPlayerReady(event) {
+  event.target.playVideo();
+  mPlayerPaused = false;
+}
+
+function closeVideo() {
+  try {
+    youTubePlayer.pauseVideo();
+  } catch(e) {
+  }
+  $("#video-container").fadeOut(200);
+}
+
+/* Track youtube playback for analytics */
+function onPlayerStateChange(event) {
+    // Video starts, send the video ID
+    if (event.data == YT.PlayerState.PLAYING) {
+      if (mPlayerPaused) {
+        ga('send', 'event', 'Videos', 'Resume',
+            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0]);
+      } else {
+        // track the start playing event so we know from which page the video was selected
+        ga('send', 'event', 'Videos', 'Start: ' +
+            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0],
+            'on: ' + document.location.href);
+      }
+      mPlayerPaused = false;
+    }
+    // Video paused, send video ID and video elapsed time
+    if (event.data == YT.PlayerState.PAUSED) {
+      ga('send', 'event', 'Videos', 'Paused',
+            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0],
+            youTubePlayer.getCurrentTime());
+      mPlayerPaused = true;
+    }
+    // Video finished, send video ID and video elapsed time
+    if (event.data == YT.PlayerState.ENDED) {
+      ga('send', 'event', 'Videos', 'Finished',
+            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0],
+            youTubePlayer.getCurrentTime());
+      mPlayerPaused = true;
+    }
+}
+
+
+
 function initExpandableNavItems(rootTag) {
   $(rootTag + ' li.nav-section .nav-section-header').click(function() {
     var section = $(this).closest('li.nav-section');
@@ -626,7 +818,7 @@ function toggleFullscreen(enable) {
     setTimeout(updateSidenavFixedWidth,delay); // need to wait a moment for css to switch
     enabled = false;
   }
-  writeCookie("fullscreen", enabled, null, null);
+  writeCookie("fullscreen", enabled, null);
   setNavBarLeftPos();
   resizeNav(delay);
   updateSideNavPosition();
@@ -787,7 +979,7 @@ function reInitScrollbars() {
 function saveNavPanels() {
   var basePath = getBaseUri(location.pathname);
   var section = basePath.substring(1,basePath.indexOf("/",1));
-  writeCookie("height", resizePackagesNav.css("height"), section, null);
+  writeCookie("height", resizePackagesNav.css("height"), section);
 }
 
 
@@ -868,118 +1060,110 @@ function readCookie(cookie) {
   return 0;
 }
 
-function writeCookie(cookie, val, section, expiration) {
+function writeCookie(cookie, val, section) {
   if (val==undefined) return;
   section = section == null ? "_" : "_"+section+"_";
-  if (expiration == null) {
-    var date = new Date();
-    date.setTime(date.getTime()+(10*365*24*60*60*1000)); // default expiration is one week
-    expiration = date.toGMTString();
-  }
+  var age = 2*365*24*60*60; // set max-age to 2 years
   var cookieValue = cookie_namespace + section + cookie + "=" + val
-                    + "; expires=" + expiration+"; path=/";
+                    + "; max-age=" + age +"; path=/";
   document.cookie = cookieValue;
 }
 
 /* #########     END COOKIES!     ########## */
 
 
-
-
+var sticky = false;
 var stickyTop;
+var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
 /* Sets the vertical scoll position at which the sticky bar should appear.
    This method is called to reset the position when search results appear or hide */
 function setStickyTop() {
   stickyTop = $('#header-wrapper').outerHeight() - $('#sticky-header').outerHeight();
 }
 
-
-/* 
- * Displays sticky nav bar on pages when dac header scrolls out of view 
+/*
+ * Displays sticky nav bar on pages when dac header scrolls out of view
  */
-(function() {
-  $(document).ready(function() {
-
-    setStickyTop();
-    var sticky = false;
-    var hiding = false;
-    var $stickyEl = $('#sticky-header');
-    var $menuEl = $('.menu-container');
-
-    var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
-
-    $(window).scroll(function() {
-      // Exit if there's no sidenav
-      if ($('#side-nav').length == 0) return;
-      // Exit if the mouse target is a DIV, because that means the event is coming
-      // from a scrollable div and so there's no need to make adjustments to our layout
-      if (event.target.nodeName == "DIV") {
-        return;
-      }
-
-
-      var top = $(window).scrollTop();
-      // we set the navbar fixed when the scroll position is beyond the height of the site header...
-      var shouldBeSticky = top >= stickyTop;
-      // ... except if the document content is shorter than the sidenav height.
-      // (this is necessary to avoid crazy behavior on OSX Lion due to overscroll bouncing)
-      if ($("#doc-col").height() < $("#side-nav").height()) {
-        shouldBeSticky = false;
-      }
-
-      // Don't continue if the header is sufficently far away
-      // (to avoid intensive resizing that slows scrolling)
-      if (sticky && shouldBeSticky) {
-        return;
-      }
+$(window).scroll(function(event) {
+
+  setStickyTop();
+  var hiding = false;
+  var $stickyEl = $('#sticky-header');
+  var $menuEl = $('.menu-container');
+  // Exit if there's no sidenav
+  if ($('#side-nav').length == 0) return;
+  // Exit if the mouse target is a DIV, because that means the event is coming
+  // from a scrollable div and so there's no need to make adjustments to our layout
+  if ($(event.target).nodeName == "DIV") {
+    return;
+  }
 
-      // Account for horizontal scroll
-      var scrollLeft = $(window).scrollLeft();
-      // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
-      if (navBarIsFixed && (scrollLeft != prevScrollLeft)) {
-        updateSideNavPosition();
-        prevScrollLeft = scrollLeft;
-      }
+  var top = $(window).scrollTop();
+  // we set the navbar fixed when the scroll position is beyond the height of the site header...
+  var shouldBeSticky = top >= stickyTop;
+  // ... except if the document content is shorter than the sidenav height.
+  // (this is necessary to avoid crazy behavior on OSX Lion due to overscroll bouncing)
+  if ($("#doc-col").height() < $("#side-nav").height()) {
+    shouldBeSticky = false;
+  }
+  // Account for horizontal scroll
+  var scrollLeft = $(window).scrollLeft();
+  // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
+  if (sticky && (scrollLeft != prevScrollLeft)) {
+    updateSideNavPosition();
+    prevScrollLeft = scrollLeft;
+  }
 
-      // If sticky header visible and position is now near top, hide sticky
-      if (sticky && !shouldBeSticky) {
-        sticky = false;
-        hiding = true;
-        // make the sidenav static again
-        $('#devdoc-nav')
-            .removeClass('fixed')
-            .css({'width':'auto','margin':''})
-            .prependTo('#side-nav');
-        // delay hide the sticky
-        $menuEl.removeClass('sticky-menu');
-        $stickyEl.fadeOut(250);
-        hiding = false;
-
-        // update the sidenaav position for side scrolling
-        updateSideNavPosition();
-      } else if (!sticky && shouldBeSticky) {
-        sticky = true;
-        $stickyEl.fadeIn(10);
-        $menuEl.addClass('sticky-menu');
-
-        // make the sidenav fixed
-        var width = $('#devdoc-nav').width();
-        $('#devdoc-nav')
-            .addClass('fixed')
-            .css({'width':width+'px'})
-            .prependTo('#body-content');
-
-        // update the sidenaav position for side scrolling
-        updateSideNavPosition();
+  // Don't continue if the header is sufficently far away
+  // (to avoid intensive resizing that slows scrolling)
+  if (sticky == shouldBeSticky) {
+    return;
+  }
 
-      } else if (hiding && top < 15) {
-        $menuEl.removeClass('sticky-menu');
-        $stickyEl.hide();
-        hiding = false;
-      }
+  // If sticky header visible and position is now near top, hide sticky
+  if (sticky && !shouldBeSticky) {
+    sticky = false;
+    hiding = true;
+    // make the sidenav static again
+    $('#devdoc-nav')
+        .removeClass('fixed')
+        .css({'width':'auto','margin':''})
+        .prependTo('#side-nav');
+    // delay hide the sticky
+    $menuEl.removeClass('sticky-menu');
+    $stickyEl.fadeOut(250);
+    hiding = false;
+
+    // update the sidenaav position for side scrolling
+    updateSideNavPosition();
+  } else if (!sticky && shouldBeSticky) {
+    sticky = true;
+    $stickyEl.fadeIn(10);
+    $menuEl.addClass('sticky-menu');
+
+    // make the sidenav fixed
+    var width = $('#devdoc-nav').width();
+    $('#devdoc-nav')
+        .addClass('fixed')
+        .css({'width':width+'px'})
+        .prependTo('#body-content');
+
+    // update the sidenaav position for side scrolling
+    updateSideNavPosition();
+
+  } else if (hiding && top < 15) {
+    $menuEl.removeClass('sticky-menu');
+    $stickyEl.hide();
+    hiding = false;
+  }
+  resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance
+});
 
-      resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance
-    });
+/*
+ * Manages secion card states and nav resize to conclude loading
+ */
+(function() {
+  $(document).ready(function() {
 
     // Stack hover states
     $('.section-card-menu').each(function(index, el) {
@@ -990,7 +1174,6 @@ function setStickyTop() {
       $cardInfo.css({position: 'absolute', bottom:'0px', left:'0px', right:'0px', overflow:'visible'});
     });
 
-    resizeNav();  // must resize once loading is finished
   });
 
 })();
@@ -1060,8 +1243,16 @@ function hideNestedItems(list, toggle) {
 }
 
 
+/* Call this to add listeners to a <select> element for Studio/Eclipse/Other docs */
+function setupIdeDocToggle() {
+  $( "select.ide" ).change(function() {
+    var selected = $(this).find("option:selected").attr("value");
+    $(".select-ide").hide();
+    $(".select-ide."+selected).show();
 
-
+    $("select.ide").val(selected);
+  });
+}
 
 
 
@@ -1114,9 +1305,7 @@ function swapNav() {
     nav_pref = NAV_PREF_TREE;
     init_default_navtree(toRoot);
   }
-  var date = new Date();
-  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
-  writeCookie("nav", nav_pref, "reference", date.toGMTString());
+  writeCookie("nav", nav_pref, "reference");
 
   $("#nav-panels").toggle();
   $("#panel-link").toggle();
@@ -1184,11 +1373,7 @@ function changeNavLang(lang) {
 }
 
 function changeLangPref(lang, submit) {
-  var date = new Date();
-  expires = date.toGMTString(date.setTime(date.getTime()+(10*365*24*60*60*1000)));
-  // keep this for 50 years
-  //alert("expires: " + expires)
-  writeCookie("pref_lang", lang, null, expires);
+  writeCookie("pref_lang", lang, null);
 
   //  #######  TODO:  Remove this condition once we're stable on devsite #######
   //  This condition is only needed if we still need to support legacy GAE server
@@ -1607,8 +1792,8 @@ var gDocsListLength = 0;
 
 function onSuggestionClick(link) {
   // When user clicks a suggested document, track it
-  _gaq.push(['_trackEvent', 'Suggestion Click', 'clicked: ' + $(link).text(),
-            'from: ' + $("#search_autocomplete").val()]);
+  ga('send', 'event', 'Suggestion Click', 'clicked: ' + $(link).attr('href'),
+                'query: ' + $("#search_autocomplete").val().toLowerCase());
 }
 
 function set_item_selected($li, selected)
@@ -1825,8 +2010,12 @@ function search_changed(e, kd, toroot)
             return false;
         }
     }
-    // Stop here if Google results are showing
+    // If Google results are showing, return true to allow ajax search to execute
     else if ($("#searchResults").is(":visible")) {
+        // Also, if search_results is scrolled out of view, scroll to top to make results visible
+        if ((sticky ) && (search.value != "")) {
+          $('body,html').animate({scrollTop:0}, '500', 'swing');
+        }
         return true;
     }
     // 38 UP ARROW
@@ -1949,7 +2138,7 @@ function search_changed(e, kd, toroot)
 
 
         // Search for matching JD docs
-        if (text.length >= 3) {
+        if (text.length >= 2) {
           // Regex to match only the beginning of a word
           var textRegex = new RegExp("\\b" + text.toLowerCase(), "g");
 
@@ -2496,8 +2685,29 @@ google.setOnLoadCallback(function(){
   }
 }, true);
 
+/* Adjust the scroll position to account for sticky header, only if the hash matches an id.
+   This does not handle <a name=""> tags. Some CSS fixes those, but only for reference docs. */
+function offsetScrollForSticky() {
+  // Ignore if there's no search bar (some special pages have no header)
+  if ($("#search-container").length < 1) return;
+
+  var hash = escape(location.hash.substr(1));
+  var $matchingElement = $("#"+hash);
+  // Sanity check that there's an element with that ID on the page
+  if ($matchingElement.length) {
+    // If the position of the target element is near the top of the page (<20px, where we expect it
+    // to be because we need to move it down 60px to become in view), then move it down 60px
+    if (Math.abs($matchingElement.offset().top - $(window).scrollTop()) < 20) {
+      $(window).scrollTop($(window).scrollTop() - 60);
+    }
+  }
+}
+
 // when an event on the browser history occurs (back, forward, load) requery hash and do search
 $(window).hashchange( function(){
+  // Ignore if there's no search bar (some special pages have no header)
+  if ($("#search-container").length < 1) return;
+
   // If the hash isn't a search query or there's an error in the query,
   // then adjust the scroll position to account for sticky header, then exit.
   if ((location.hash.indexOf("q=") == -1) || (query == "undefined")) {
@@ -2505,8 +2715,7 @@ $(window).hashchange( function(){
     if (!$("#searchResults").is(":hidden")) {
       hideResults();
     }
-    // Adjust the scroll position to account for sticky header
-    $(window).scrollTop($(window).scrollTop() - 60);
+    offsetScrollForSticky();
     return;
   }
 
@@ -2557,8 +2766,8 @@ function addResultClickListeners() {
   $("#searchResults a.gs-title").each(function(index, link) {
     // When user clicks enter for Google search results, track it
     $(link).click(function() {
-      _gaq.push(['_trackEvent', 'Google Click', 'clicked: ' + $(this).text(),
-                'from: ' + $("#search_autocomplete").val()]);
+      ga('send', 'event', 'Google Click', 'clicked: ' + $(this).attr('href'),
+                'query: ' + $("#search_autocomplete").val().toLowerCase());
     });
   });
 }
@@ -2621,7 +2830,7 @@ var maxLevel = 1;
   }
 
 function updateSidenavFixedWidth() {
-  if (!navBarIsFixed) return;
+  if (!sticky) return;
   $('#devdoc-nav').css({
     'width' : $('#side-nav').css('width'),
     'margin' : $('#side-nav').css('margin')
@@ -2632,7 +2841,7 @@ function updateSidenavFixedWidth() {
 }
 
 function updateSidenavFullscreenWidth() {
-  if (!navBarIsFixed) return;
+  if (!sticky) return;
   $('#devdoc-nav').css({
     'width' : $('#side-nav').css('width'),
     'margin' : $('#side-nav').css('margin')
@@ -2673,10 +2882,7 @@ function changeApiLevel() {
   selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
   toggleVisisbleApis(selectedLevel, "body");
 
-  var date = new Date();
-  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
-  var expiration = date.toGMTString();
-  writeCookie(API_LEVEL_COOKIE, selectedLevel, null, expiration);
+  writeCookie(API_LEVEL_COOKIE, selectedLevel, null);
 
   if (selectedLevel < minLevel) {
     var thing = ($("#jd-header").html().indexOf("package") != -1) ? "package" : "class";
@@ -3349,7 +3555,7 @@ function showSamples() {
     showing lines that are cut off. This works with the css ellipsis
     classes to fade last text line and apply an ellipsis char. */
 
-    //card text currently uses 15px line height. 
+    //card text currently uses 15px line height.
     var lineHeight = 15;
     $('.card-info .text').ellipsisfade(lineHeight);
   });
@@ -3380,7 +3586,10 @@ function showSamples() {
       sortOrder: $widget.data('sortorder'),
       query: $widget.data('query'),
       section: $widget.data('section'),
-      sizeCols: sizeCols
+      sizeCols: sizeCols,
+      /* Added by LFL 6/6/14 */
+      resourceStyle: $widget.data('resourcestyle') || 'card',
+      stackSort: $widget.data('stacksort') || 'true'
     };
 
     // run the search for the set of resources to show
@@ -3392,9 +3601,13 @@ function showSamples() {
     } else if (isCarousel) {
       drawResourcesCarouselWidget($widget, opts, resources);
     } else if (isStack) {
-      var sections = buildSectionList(opts);
+      /* Looks like this got removed and is not used, so repurposing for the
+          homepage style layout.
+          Modified by LFL 6/6/14
+      */
+      //var sections = buildSectionList(opts);
       opts['numStacks'] = $widget.data('numstacks');
-      drawResourcesStackWidget($widget, opts, resources, sections);
+      drawResourcesStackWidget($widget, opts, resources/*, sections*/);
     }
   }
 
@@ -3413,10 +3626,8 @@ function showSamples() {
     var $ul = $('<ul>');
 
     for (var i = 0; i < resources.length; ++i) {
-      //keep url clean for matching and offline mode handling
-      var urlPrefix = resources[i].url.indexOf("//") > -1 ? "" : toRoot;
       var $card = $('<a>')
-        .attr('href', urlPrefix + resources[i].url)
+        .attr('href', cleanUrl(resources[i].url))
         .decorateResourceCard(resources[i],plusone);
 
       $('<li>').css(css)
@@ -3435,7 +3646,9 @@ function showSamples() {
     });
   };
 
-  /* Initializes a Resource Card Stack Widget (column-based layout) */
+  /* Initializes a Resource Card Stack Widget (column-based layout)
+     Modified by LFL 6/6/14
+   */
   function drawResourcesStackWidget($widget, opts, resources, sections) {
     // Don't empty widget, grab all items inside since they will be the first
     // items stacked, followed by the resource query
@@ -3453,60 +3666,88 @@ function showSamples() {
     var sectionResources = [];
 
     // Extract any subsections that are actually resource cards
-    for (var i = 0; i < sections.length; ++i) {
-      if (!sections[i].sections || !sections[i].sections.length) {
-        //keep url clean for matching and offline mode handling
-        urlPrefix = sections[i].url.indexOf("//") > -1 ? "" : toRoot;
-        // Render it as a resource card
-
-        sectionResources.push(
-          $('<a>')
-            .addClass('resource-card section-card')
-            .attr('href', urlPrefix + sections[i].resource.url)
-            .decorateResourceCard(sections[i].resource,plusone)[0]
-        );
+    if (sections) {
+      for (var i = 0; i < sections.length; ++i) {
+        if (!sections[i].sections || !sections[i].sections.length) {
+          // Render it as a resource card
+          sectionResources.push(
+            $('<a>')
+              .addClass('resource-card section-card')
+              .attr('href', cleanUrl(sections[i].resource.url))
+              .decorateResourceCard(sections[i].resource,plusone)[0]
+          );
 
-      } else {
-        cards.push(
-          $('<div>')
-            .addClass('resource-card section-card-menu')
-            .decorateResourceSection(sections[i],plusone)[0]
-        );
+        } else {
+          cards.push(
+            $('<div>')
+              .addClass('resource-card section-card-menu')
+              .decorateResourceSection(sections[i],plusone)[0]
+          );
+        }
       }
     }
 
     cards = cards.concat(sectionResources);
 
     for (var i = 0; i < resources.length; ++i) {
-      //keep url clean for matching and offline mode handling
-      urlPrefix = resources[i].url.indexOf("//") > -1 ? "" : toRoot;
-      var $card = $('<a>')
-          .addClass('resource-card related-card')
-          .attr('href', urlPrefix + resources[i].url)
-          .decorateResourceCard(resources[i],plusone);
+      var $card = createResourceElement(resources[i], opts);
+
+      if (opts.resourceStyle.indexOf('related') > -1) {
+        $card.addClass('related-card');
+      }
 
       cards.push($card[0]);
     }
 
-    for (var i = 0; i < cards.length; ++i) {
-      // Find the stack with the shortest height, but give preference to
-      // left to right order.
-      var minHeight = $stacks[0].height();
-      var minIndex = 0;
-
-      for (var j = 1; j < numStacks; ++j) {
-        var height = $stacks[j].height();
-        if (height < minHeight - 45) {
-          minHeight = height;
-          minIndex = j;
+    if (opts.stackSort != 'false') {
+      for (var i = 0; i < cards.length; ++i) {
+        // Find the stack with the shortest height, but give preference to
+        // left to right order.
+        var minHeight = $stacks[0].height();
+        var minIndex = 0;
+
+        for (var j = 1; j < numStacks; ++j) {
+          var height = $stacks[j].height();
+          if (height < minHeight - 45) {
+            minHeight = height;
+            minIndex = j;
+          }
         }
-      }
 
-      $stacks[minIndex].append($(cards[i]));
+        $stacks[minIndex].append($(cards[i]));
+      }
     }
 
   };
 
+  /*
+    Create a resource card using the given resource object and a list of html
+     configured options. Returns a jquery object containing the element.
+  */
+  function createResourceElement(resource, opts, plusone) {
+    var $el;
+
+    // The difference here is that generic cards are not entirely clickable
+    // so its a div instead of an a tag, also the generic one is not given
+    // the resource-card class so it appears with a transparent background
+    // and can be styled in whatever way the css setup.
+    if (opts.resourceStyle == 'generic') {
+      $el = $('<div>')
+        .addClass('resource')
+        .attr('href', cleanUrl(resource.url))
+        .decorateResource(resource, opts);
+    } else {
+      var cls = 'resource resource-card';
+
+      $el = $('<a>')
+        .addClass(cls)
+        .attr('href', cleanUrl(resource.url))
+        .decorateResourceCard(resource, plusone);
+    }
+
+    return $el;
+  }
+
   /* Initializes a flow widget, see distribute.scss for generating accompanying css */
   function drawResourcesFlowWidget($widget, opts, resources) {
     $widget.empty();
@@ -3517,7 +3758,6 @@ function showSamples() {
     while (i < resources.length) {
       var cardSize = cardSizes[j++ % cardSizes.length];
       cardSize = cardSize.replace(/^\s+|\s+$/,'');
-      console.log("cardsize is " + cardSize);
       // Some card sizes do not get a plusone button, such as where space is constrained
       // or for cards commonly embedded in docs (to improve overall page speed).
       plusone = !((cardSize == "6x2") || (cardSize == "6x3") ||
@@ -3539,11 +3779,11 @@ function showSamples() {
       // Build each stack item or just a single item
       do {
         var resource = resources[i];
-        //keep url clean for matching and offline mode handling
-        urlPrefix = resource.url.indexOf("//") > -1 ? "" : toRoot;
-        var $card = $('<a>')
-            .addClass('resource-card resource-card-' + cardSize + ' resource-card-' + resource.type)
-            .attr('href', urlPrefix + resource.url);
+
+        var $card = createResourceElement(resources[i], opts, plusone);
+
+        $card.addClass('resource-card-' + cardSize +
+          ' resource-card-' + resource.type);
 
         if (isStack) {
           $card.addClass('resource-card-' + isStack[1] + 'x' + isStack[2]);
@@ -3555,8 +3795,7 @@ function showSamples() {
           stackCount = 0;
         }
 
-        $card.decorateResourceCard(resource,plusone)
-          .appendTo($stackDiv || $widget);
+        $card.appendTo($stackDiv || $widget);
 
       } while (++i < resources.length && stackCount > 0);
     }
@@ -3696,6 +3935,15 @@ function showSamples() {
     return true;
   }
 
+  function cleanUrl(url)
+  {
+    if (url && url.indexOf('//') === -1) {
+      url = toRoot + url;
+    }
+
+    return url;
+  }
+
 
   function parseResourceQuery(query) {
     // Parse query into array of expressions (expression e.g. 'tag:foo + type:video')
@@ -3743,42 +3991,56 @@ function showSamples() {
 })();
 
 (function($) {
+
+  /*
+    Utility method for creating dom for the description area of a card.
+    Used in decorateResourceCard and decorateResource.
+  */
+  function buildResourceCardDescription(resource, plusone) {
+    var $description = $('<div>').addClass('description ellipsis');
+
+    $description.append($('<div>').addClass('text').html(resource.summary));
+
+    if (resource.cta) {
+      $description.append($('<a>').addClass('cta').html(resource.cta));
+    }
+
+    if (plusone) {
+      var plusurl = resource.url.indexOf("//") > -1 ? resource.url :
+        "//developer.android.com/" + resource.url;
+
+      $description.append($('<div>').addClass('util')
+        .append($('<div>').addClass('g-plusone')
+          .attr('data-size', 'small')
+          .attr('data-align', 'right')
+          .attr('data-href', plusurl)));
+    }
+
+    return $description;
+  }
+
+
   /* Simple jquery function to create dom for a standard resource card */
   $.fn.decorateResourceCard = function(resource,plusone) {
     var section = resource.group || resource.type;
-    var imgUrl;
-    if (resource.image) {
-      //keep url clean for matching and offline mode handling
-      var urlPrefix = resource.image.indexOf("//") > -1 ? "" : toRoot;
-      imgUrl = urlPrefix + resource.image;
-    }
-    //add linkout logic here. check url or type, assign a class, map to css :after
-    $('<div>')
-        .addClass('card-bg')
-        .css('background-image', 'url(' + (imgUrl || toRoot + 'assets/images/resource-card-default-android.jpg') + ')')
-      .appendTo(this);
-    if (!plusone) {
-      $('<div>').addClass('card-info' + (!resource.summary ? ' empty-desc' : ''))
-        .append($('<div>').addClass('section').text(section))
-        .append($('<div>').addClass('title').html(resource.title))
-        .append($('<div>').addClass('description ellipsis')
-            .append($('<div>').addClass('text').html(resource.summary))
-          .append($('<div>').addClass('util')))
-          .appendTo(this);
-    } else {
-      $('<div>').addClass('card-info' + (!resource.summary ? ' empty-desc' : ''))
-        .append($('<div>').addClass('section').text(section))
-        .append($('<div>').addClass('title').html(resource.title))
-        .append($('<div>').addClass('description ellipsis')
-            .append($('<div>').addClass('text').html(resource.summary))
-          .append($('<div>').addClass('util')
-            .append($('<div>').addClass('g-plusone')
-              .attr('data-size', 'small')
-              .attr('data-align', 'right')
-              .attr('data-href', resource.url))))
-            .appendTo(this);
+    var imgUrl = resource.image ||
+      'assets/images/resource-card-default-android.jpg';
+
+    if (imgUrl.indexOf('//') === -1) {
+      imgUrl = toRoot + imgUrl;
     }
 
+    $('<div>').addClass('card-bg')
+      .css('background-image', 'url(' + (imgUrl || toRoot +
+        'assets/images/resource-card-default-android.jpg') + ')')
+      .appendTo(this);
+
+    $('<div>').addClass('card-info' + (!resource.summary ? ' empty-desc' : ''))
+      .append($('<div>').addClass('section').text(section))
+      .append($('<div>').addClass('title').html(resource.title))
+      .append(buildResourceCardDescription(resource, plusone))
+      .appendTo(this);
+
     return this;
   };
 
@@ -3860,7 +4122,39 @@ function showSamples() {
 
     return this;
   };
+
+
+
+
+  /* Render other types of resource styles that are not cards. */
+  $.fn.decorateResource = function(resource, opts) {
+    var imgUrl = resource.image ||
+      'assets/images/resource-card-default-android.jpg';
+    var linkUrl = resource.url;
+
+    if (imgUrl.indexOf('//') === -1) {
+      imgUrl = toRoot + imgUrl;
+    }
+
+    if (linkUrl && linkUrl.indexOf('//') === -1) {
+      linkUrl = toRoot + linkUrl;
+    }
+
+    $(this).append(
+      $('<div>').addClass('image')
+        .css('background-image', 'url(' + imgUrl + ')'),
+      $('<div>').addClass('info').append(
+        $('<h4>').addClass('title').html(resource.title),
+        $('<p>').addClass('summary').html(resource.summary),
+        $('<a>').attr('href', linkUrl).addClass('cta').html('Learn More')
+      )
+    );
+
+    return this;
+  };
 })(jQuery);
+
+
 /* Calculate the vertical area remaining */
 (function($) {
     $.fn.ellipsisfade= function(lineHeight) {
@@ -3870,8 +4164,10 @@ function showSamples() {
             var remainingHeight = $this.parent().parent().height();
             $this.parent().siblings().each(function ()
             {
-              var h = $(this).height();
-              remainingHeight = remainingHeight - h;
+              if ($(this).is(":visible")) {
+                var h = $(this).height();
+                remainingHeight = remainingHeight - h;
+              }
             });
 
             adjustedRemainingHeight = ((remainingHeight)/lineHeight>>0)*lineHeight
@@ -3882,3 +4178,189 @@ function showSamples() {
         return this;
     };
 }) (jQuery);
+
+/*
+  Fullscreen Carousel
+
+  The following allows for an area at the top of the page that takes over the
+  entire browser height except for its top offset and an optional bottom
+  padding specified as a data attribute.
+
+  HTML:
+
+  <div class="fullscreen-carousel">
+    <div class="fullscreen-carousel-content">
+      <!-- content here -->
+    </div>
+    <div class="fullscreen-carousel-content">
+      <!-- content here -->
+    </div>
+
+    etc ...
+
+  </div>
+
+  Control over how the carousel takes over the screen can mostly be defined in
+  a css file. Setting min-height on the .fullscreen-carousel-content elements
+  will prevent them from shrinking to far vertically when the browser is very
+  short, and setting max-height on the .fullscreen-carousel itself will prevent
+  the area from becoming to long in the case that the browser is stretched very
+  tall.
+
+  There is limited functionality for having multiple sections since that request
+  was removed, but it is possible to add .next-arrow and .prev-arrow elements to
+  scroll between multiple content areas.
+*/
+
+(function() {
+  $(document).ready(function() {
+    $('.fullscreen-carousel').each(function() {
+      initWidget(this);
+    });
+  });
+
+  function initWidget(widget) {
+    var $widget = $(widget);
+
+    var topOffset = $widget.offset().top;
+    var padBottom = parseInt($widget.data('paddingbottom')) || 0;
+    var maxHeight = 0;
+    var minHeight = 0;
+    var $content = $widget.find('.fullscreen-carousel-content');
+    var $nextArrow = $widget.find('.next-arrow');
+    var $prevArrow = $widget.find('.prev-arrow');
+    var $curSection = $($content[0]);
+
+    if ($content.length <= 1) {
+      $nextArrow.hide();
+      $prevArrow.hide();
+    } else {
+      $nextArrow.click(function() {
+        var index = ($content.index($curSection) + 1);
+        $curSection.hide();
+        $curSection = $($content[index >= $content.length ? 0 : index]);
+        $curSection.show();
+      });
+
+      $prevArrow.click(function() {
+        var index = ($content.index($curSection) - 1);
+        $curSection.hide();
+        $curSection = $($content[index < 0 ? $content.length - 1 : 0]);
+        $curSection.show();
+      });
+    }
+
+    // Just hide all content sections except first.
+    $content.each(function(index) {
+      if ($(this).height() > minHeight) minHeight = $(this).height();
+      $(this).css({position: 'absolute',  display: index > 0 ? 'none' : ''});
+    });
+
+    // Register for changes to window size, and trigger.
+    $(window).resize(resizeWidget);
+    resizeWidget();
+
+    function resizeWidget() {
+      var height = $(window).height() - topOffset - padBottom;
+      $widget.width($(window).width());
+      $widget.height(height < minHeight ? minHeight :
+        (maxHeight && height > maxHeight ? maxHeight : height));
+    }
+  }
+})();
+
+
+
+
+
+/*
+  Tab Carousel
+
+  The following allows tab widgets to be installed via the html below. Each
+  tab content section should have a data-tab attribute matching one of the
+  nav items'. Also each tab content section should have a width matching the
+  tab carousel.
+
+  HTML:
+
+  <div class="tab-carousel">
+    <ul class="tab-nav">
+      <li><a href="#" data-tab="handsets">Handsets</a>
+      <li><a href="#" data-tab="wearable">Wearable</a>
+      <li><a href="#" data-tab="tv">TV</a>
+    </ul>
+
+    <div class="tab-carousel-content">
+      <div data-tab="handsets">
+        <!--Full width content here-->
+      </div>
+
+      <div data-tab="wearable">
+        <!--Full width content here-->
+      </div>
+
+      <div data-tab="tv">
+        <!--Full width content here-->
+      </div>
+    </div>
+  </div>
+
+*/
+(function() {
+  $(document).ready(function() {
+    $('.tab-carousel').each(function() {
+      initWidget(this);
+    });
+  });
+
+  function initWidget(widget) {
+    var $widget = $(widget);
+    var $nav = $widget.find('.tab-nav');
+    var $anchors = $nav.find('[data-tab]');
+    var $li = $nav.find('li');
+    var $contentContainer = $widget.find('.tab-carousel-content');
+    var $tabs = $contentContainer.find('[data-tab]');
+    var $curTab = $($tabs[0]); // Current tab is first tab.
+    var width = $widget.width();
+
+    // Setup nav interactivity.
+    $anchors.click(function(evt) {
+      evt.preventDefault();
+      var query = '[data-tab=' + $(this).data('tab') + ']';
+      transitionWidget($tabs.filter(query));
+    });
+
+    // Add highlight for navigation on first item.
+    var $highlight = $('<div>').addClass('highlight')
+      .css({left:$li.position().left + 'px', width:$li.outerWidth() + 'px'})
+      .appendTo($nav);
+
+    // Store height since we will change contents to absolute.
+    $contentContainer.height($contentContainer.height());
+
+    // Absolutely position tabs so they're ready for transition.
+    $tabs.each(function(index) {
+      $(this).css({position: 'absolute', left: index > 0 ? width + 'px' : '0'});
+    });
+
+    function transitionWidget($toTab) {
+      if (!$curTab.is($toTab)) {
+        var curIndex = $tabs.index($curTab[0]);
+        var toIndex = $tabs.index($toTab[0]);
+        var dir = toIndex > curIndex ? 1 : -1;
+
+        // Animate content sections.
+        $toTab.css({left:(width * dir) + 'px'});
+        $curTab.animate({left:(width * -dir) + 'px'});
+        $toTab.animate({left:'0'});
+
+        // Animate navigation highlight.
+        $highlight.animate({left:$($li[toIndex]).position().left + 'px',
+          width:$($li[toIndex]).outerWidth() + 'px'})
+
+        // Store new current section.
+        $curTab = $toTab;
+      }
+    }
+  }
+})();
diff --git a/tools/droiddoc/templates-ds/assets/js/prettify.js b/tools/droiddoc/templates-ndk/assets/js/prettify.js
similarity index 100%
rename from tools/droiddoc/templates-ds/assets/js/prettify.js
rename to tools/droiddoc/templates-ndk/assets/js/prettify.js
diff --git a/tools/droiddoc/templates-sdk-dyn/class.cs b/tools/droiddoc/templates-ndk/class.cs
similarity index 94%
rename from tools/droiddoc/templates-sdk-dyn/class.cs
rename to tools/droiddoc/templates-ndk/class.cs
index 0461af629..e55ac3176 100644
--- a/tools/droiddoc/templates-sdk-dyn/class.cs
+++ b/tools/droiddoc/templates-ndk/class.cs
@@ -1,9 +1,12 @@
 <?cs include:"doctype.cs" ?>
 <?cs include:"macros.cs" ?>
+<?cs include:"macros_override.cs" ?>
 <html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
 <body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
   <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
+    if:reference ?> reference<?cs
+    /if ?><?cs
   elif:design ?>design<?cs
   elif:distribute ?>distribute<?cs
   /if ?>" itemscope itemtype="http://schema.org/Article">
@@ -123,6 +126,7 @@
   <?cs /if ?>
   <?cs set:colspan = colspan-1 ?>
 <?cs /each ?>
+<?cs call:show_annotations_list(class) ?>
 
 </div><!-- end header -->
 
@@ -184,16 +188,19 @@
     <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:method.since ?>" >
         <td class="jd-typecol"><nobr>
             <?cs var:method.abstract ?>
-            <?cs var:method.synchronized ?>
-            <?cs var:method.final ?>
+            <?cs var:method.default ?>
             <?cs var:method.static ?>
+            <?cs var:method.final ?>
             <?cs call:type_link(method.generic) ?>
             <?cs call:type_link(method.returnType) ?></nobr>
         </td>
         <td class="jd-linkcol" width="100%"><nobr>
         <span class="sympad"><?cs call:cond_link(method.name, toroot, method.href, included) ?></span>(<?cs call:parameter_list(method.params) ?>)</nobr>
         <?cs if:subcount(method.shortDescr) || subcount(method.deprecated) ?>
-        <div class="jd-descrdiv"><?cs call:short_descr(method) ?></div>
+        <div class="jd-descrdiv">
+          <?cs call:short_descr(method) ?>
+          <?cs call:show_annotations_list(method) ?>
+        </div>
   <?cs /if ?>
   </td></tr>
 <?cs set:count = count + #1 ?>
@@ -210,7 +217,10 @@
           <?cs var:field.final ?>
           <?cs call:type_link(field.type) ?></nobr></td>
           <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-          <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?></td>
+          <td class="jd-descrcol" width="100%">
+            <?cs call:short_descr(field) ?>
+            <?cs call:show_annotations_list(field) ?>
+          </td>
       </tr>
       <?cs set:count = count + #1 ?>
     <?cs /each ?>
@@ -222,7 +232,10 @@
     <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
         <td class="jd-typecol"><?cs call:type_link(field.type) ?></td>
         <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-        <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?></td>
+        <td class="jd-descrcol" width="100%">
+          <?cs call:short_descr(field) ?>
+          <?cs call:show_annotations_list(field) ?>
+        </td>
     </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
@@ -242,7 +255,10 @@
             <?cs call:cond_link(m.name, toroot, m.href, included) ?>
             <?cs /each ?>
         </td>
-        <td class="jd-descrcol" width="100%"><?cs call:short_descr(attr) ?>&nbsp;</td>
+        <td class="jd-descrcol" width="100%">
+          <?cs call:short_descr(attr) ?>&nbsp;
+          <?cs call:show_annotations_list(attr) ?>
+        </td>
     </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
@@ -259,7 +275,10 @@
         <?cs var:cl.abstract ?>
         <?cs var:cl.kind ?></nobr></td>
       <td class="jd-linkcol"><?cs call:type_link(cl.type) ?></td>
-      <td class="jd-descrcol" width="100%"><?cs call:short_descr(cl) ?>&nbsp;</td>
+      <td class="jd-descrcol" width="100%">
+        <?cs call:short_descr(cl) ?>&nbsp;
+        <?cs call:show_annotations_list(cl) ?>
+      </td>
     </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
@@ -335,7 +354,10 @@
     <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
         <td class="jd-descrcol"><?cs call:type_link(field.type) ?>&nbsp;</td>
         <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, cl.included) ?>&nbsp;</td>
-        <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?>&nbsp;</td>
+        <td class="jd-descrcol" width="100%">
+          <?cs call:short_descr(field) ?>&nbsp;
+          <?cs call:show_annotations_list(field) ?>
+        </td>
     </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
@@ -504,6 +526,7 @@
         <?cs call:federated_refs(field) ?>
       </div>
     <div class="jd-details-descr">
+      <?cs call:show_annotations_list(field) ?>
       <?cs call:description(field) ?>
     <?cs if:subcount(field.constantValue) ?>
         <div class="jd-tagdata">
@@ -531,11 +554,11 @@
 <div class="jd-details api apilevel-<?cs var:method.since ?>"> 
     <h4 class="jd-details-title">
       <span class="normal">
-        <?cs var:method.scope ?> 
-        <?cs var:method.static ?> 
-        <?cs var:method.final ?> 
-        <?cs var:method.abstract ?> 
-        <?cs var:method.synchronized ?> 
+        <?cs var:method.scope ?>
+        <?cs var:method.abstract ?>
+        <?cs var:method.default ?>
+        <?cs var:method.static ?>
+        <?cs var:method.final ?>
         <?cs call:type_link(method.returnType) ?>
       </span>
       <span class="sympad"><?cs var:method.name ?></span>
@@ -546,6 +569,7 @@
         <?cs call:federated_refs(method) ?>
       </div>
     <div class="jd-details-descr">
+      <?cs call:show_annotations_list(method) ?>
       <?cs call:description(method) ?>
     </div>
 </div>
@@ -560,6 +584,7 @@
     <h4 class="jd-details-title"><?cs var:attr.name ?>
     </h4>
     <div class="jd-details-descr">
+        <?cs call:show_annotations_list(attr) ?>
         <?cs call:description(attr) ?>
 
         <div class="jd-tagdata">
diff --git a/tools/droiddoc/templates-sdk-dyn/classes.cs b/tools/droiddoc/templates-ndk/classes.cs
similarity index 84%
rename from tools/droiddoc/templates-sdk-dyn/classes.cs
rename to tools/droiddoc/templates-ndk/classes.cs
index 6769f473f..405892d67 100644
--- a/tools/droiddoc/templates-sdk-dyn/classes.cs
+++ b/tools/droiddoc/templates-ndk/classes.cs
@@ -1,9 +1,12 @@
 <?cs include:"doctype.cs" ?>
 <?cs include:"macros.cs" ?>
+<?cs include:"macros_override.cs" ?>
 <html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
 <body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
   <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
+    if:reference ?> reference<?cs
+    /if ?><?cs
   elif:design ?>design<?cs
   elif:distribute ?>distribute<?cs
   /if ?>" itemscope itemtype="http://schema.org/Article">
@@ -30,7 +33,10 @@
     <?cs each:cl = letter ?>
         <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:cl.since ?>" >
             <td class="jd-linkcol"><?cs call:type_link(cl.type) ?></td>
-            <td class="jd-descrcol" width="100%"><?cs call:short_descr(cl) ?>&nbsp;</td>
+            <td class="jd-descrcol" width="100%">
+              <?cs call:short_descr(cl) ?>&nbsp;
+              <?cs call:show_annotations_list(cl) ?>
+            </td>
         </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
diff --git a/tools/droiddoc/templates-ndk/components/masthead.cs b/tools/droiddoc/templates-ndk/components/masthead.cs
new file mode 100644
index 000000000..01d0e5559
--- /dev/null
+++ b/tools/droiddoc/templates-ndk/components/masthead.cs
@@ -0,0 +1,180 @@
+<?cs def:custom_masthead() ?>
+<?cs if:preview ?>
+  <?cs call:preview_masthead() ?>
+<?cs else ?>
+<a name="top"></a>
+
+<!-- dialog to prompt lang pref change when loaded from hardcoded URL
+<div id="langMessage" style="display:none">
+  <div>
+    <div class="lang en">
+      <p>You requested a page in English, would you like to proceed with this language setting?</p>
+    </div>
+    <div class="lang es">
+      <p>You requested a page in Spanish (Español), would you like to proceed with this language setting?</p>
+    </div>
+    <div class="lang ja">
+      <p>You requested a page in Japanese (日本語), would you like to proceed with this language setting?</p>
+    </div>
+    <div class="lang ko">
+      <p>You requested a page in Korean (한국어), would you like to proceed with this language setting?</p>
+    </div>
+    <div class="lang ru">
+      <p>You requested a page in Russian (Русский), would you like to proceed with this language setting?</p>
+    </div>
+    <div class="lang zh-cn">
+      <p>You requested a page in Simplified Chinese (简体中文), would you like to proceed with this language setting?</p>
+    </div>
+    <div class="lang zh-tw">
+      <p>You requested a page in Traditional Chinese (繁體中文), would you like to proceed with this language setting?</p>
+    </div>
+    <a href="#" class="button yes" onclick="return false;">
+      <span class="lang en">Yes</span>
+      <span class="lang es">Sí</span>
+      <span class="lang ja">Yes</span>
+      <span class="lang ko">Yes</span>
+      <span class="lang ru">Yes</span>
+      <span class="lang zh-cn">是的</span>
+      <span class="lang zh-tw">没有</span>
+    </a>
+    <a href="#" class="button" onclick="$('#langMessage').hide();return false;">
+      <span class="lang en">No</span>
+      <span class="lang es">No</span>
+      <span class="lang ja">No</span>
+      <span class="lang ko">No</span>
+      <span class="lang ru">No</span>
+      <span class="lang zh-cn">没有</span>
+      <span class="lang zh-tw">没有</span>
+    </a>
+  </div>
+</div> -->
+
+<?cs if:!devsite ?><?cs # leave out the global header for devsite; it is in devsite template ?>
+  <!-- Header -->
+  <div id="header-wrapper">
+    <div id="header"><?cs call:butter_bar() ?>
+      <div class="wrap" id="header-wrap">
+        <div class="col-3 logo">
+          <a href="<?cs var:toroot ?>index.html">
+            <img src="<?cs var:toroot ?>assets/images/dac_logo.png"
+                srcset="<?cs var:toroot ?>assets/images/dac_logo@2x.png 2x"
+                width="123" height="25" alt="Android Developers" />
+          </a>
+          <div class="btn-quicknav" id="btn-quicknav">
+            <a href="#" class="arrow-inactive">Quicknav</a>
+            <a href="#" class="arrow-active">Quicknav</a>
+          </div>
+        </div>
+
+        <?cs # design/dev/dist tabs usually here ?>
+
+        <?cs # call:header_search_widget() ?>
+
+      </div><!-- end header-wrap.wrap -->
+    </div><!-- end header -->
+
+
+    <!-- Secondary x-nav -->
+    <div id="nav-x">
+        <div class="wrap" style="position:relative;z-index:1">
+
+            <ul class="nav-x col-9 develop" style="width:100%">
+                <li class="guide"><a href="<?cs var:toroot ?>ndk/guides/index.html">
+                    Guides</a></li>
+                <li class="reference"><a href="<?cs var:toroot ?>ndk/reference/index.html">
+                    Reference</a></li>
+                <li class="samples"><a href="<?cs var:toroot ?>ndk/samples/index.html">
+                    Samples</a></li>
+                <li class="downloads"><a href="<?cs var:toroot ?>ndk/downloads/index.html">
+                    Downloads</a></li>
+                </li>
+            </ul>
+        </div>
+    </div>
+
+
+    <div id="searchResults" class="wrap" style="display:none;">
+      <h2 id="searchTitle">Results</h2>
+      <div id="leftSearchControl" class="search-control">Loading...</div>
+    </div>
+  </div> <!--end header-wrapper -->
+
+  <div id="sticky-header">
+    <div>
+      <a class="logo" href="#top"></a>
+      <a class="top" href="#top"></a>
+      <ul class="breadcrumb">
+        <?cs # More <li> elements added here with javascript ?>
+        <?cs if:!section.landing ?><li class="current"><?cs var:page.title ?></li><?cs
+        /if ?>
+      </ul>
+    </div>
+  </div>
+
+<?cs /if ?><?cs # end if/else !devsite ?>
+<?cs /if ?><?cs # end if/else preview ?><?cs
+/def ?>
+
+<?cs def:preview_masthead() ?>
+<a name="top"></a>
+
+
+<!-- Header -->
+<div id="header-wrapper">
+  <div id="header"><?cs call:butter_bar() ?>
+    <div class="wrap" id="header-wrap">
+      <div class="col_3 logo landing-logo" style="width:240px">
+        <a href="<?cs var:toroot ?>preview/index.html">
+          <img src="<?cs var:toroot ?>assets/images/android.png" height="25" alt="Android"
+            style="margin:-3px 0 0" />
+        </a>
+      </div>
+      <div class="col-8" style="margin:0"><h1 style="margin: 4px 0 0 0px;padding:0;line-height:16px;
+color:#666;font-weight:100;font-size:27px;">L Developer Preview</h1></div>
+
+      <?cs # ADD SEARCH AND MENU ?>
+      <?cs # call:header_search_widget() ?>
+
+    </div><!-- end header-wrap -->
+  </div><!-- /Header -->
+
+
+  <div id="searchResults" class="wrap" style="display:none;">
+          <h2 id="searchTitle">Results</h2>
+          <div id="leftSearchControl" class="search-control">Loading...</div>
+  </div>
+</div> <!--end header-wrapper -->
+
+<div id="sticky-header">
+  <div>
+    <a class="logo" href="#top"></a>
+    <a class="top" href="#top"></a>
+    <ul class="breadcrumb">
+      <?cs # More <li> elements added here with javascript ?>
+      <?cs if:!section.landing ?><li class="current"><?cs var:page.title ?></li><?cs
+      /if ?>
+    </ul>
+  </div>
+</div>
+
+  <?cs
+/def ?>
+
+
+<?cs # (UN)COMMENT THE INSIDE OF THIS METHOD TO TOGGLE VISIBILITY ?>
+<?cs def:butter_bar() ?>
+
+<?cs # HIDE THE BUTTER BAR
+
+    <div style="height:20px"><!-- spacer to bump header down --></div>
+    <div id="butterbar-wrapper">
+      <div id="butterbar">
+        <a href="http://googleblog.blogspot.com/" id="butterbar-message">
+          The Android 5.0 SDK will be available on October 17th!
+        </a>
+      </div>
+    </div>
+
+?>
+
+<?cs /def ?>
diff --git a/tools/droiddoc/templates-sdk-dyn/customizations.cs b/tools/droiddoc/templates-ndk/customizations.cs
similarity index 79%
rename from tools/droiddoc/templates-sdk-dyn/customizations.cs
rename to tools/droiddoc/templates-ndk/customizations.cs
index 27822d52f..0c640deca 100644
--- a/tools/droiddoc/templates-sdk-dyn/customizations.cs
+++ b/tools/droiddoc/templates-ndk/customizations.cs
@@ -1,14 +1,14 @@
-<?cs 
+<?cs
 def:fullpage() ?>
   <div id="body-content">
 <?cs /def ?>
-<?cs 
+<?cs
 def:sdk_nav() ?>
   <div class="wrap clearfix" id="body-content">
     <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
       <div id="devdoc-nav" class="scroll-pane">
 
-<?cs 
+<?cs
         include:"../../../../frameworks/base/docs/html/sdk/sdk_toc.cs" ?>
 
 
@@ -24,10 +24,85 @@
   <div class="wrap clearfix" id="body-content">
     <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
       <div id="devdoc-nav" class="scroll-pane">
-<?cs 
+<?cs
         include:"../../../../frameworks/base/docs/html/tools/tools_toc.cs" ?>
-        
-        
+
+
+      </div>
+    </div> <!-- end side-nav -->
+    <script>
+      $(document).ready(function() {
+        scrollIntoView("devdoc-nav");
+        });
+    </script>
+<?cs /def ?>
+<?cs
+
+def:ndk_guides_nav() ?>
+  <div class="wrap clearfix" id="body-content">
+    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div id="devdoc-nav" class="scroll-pane">
+<?cs
+        include:"../../../../frameworks/base/docs/html-ndk/ndk/guides/guides_toc.cs" ?>
+
+
+      </div>
+    </div> <!-- end side-nav -->
+    <script>
+      $(document).ready(function() {
+        scrollIntoView("devdoc-nav");
+        });
+    </script>
+<?cs /def ?>
+
+<?cs
+
+def:ndk_reference_nav() ?>
+  <div class="wrap clearfix" id="body-content">
+    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div id="devdoc-nav" class="scroll-pane">
+<?cs
+        include:"../../../../frameworks/base/docs/html-ndk/ndk/reference/reference_toc.cs" ?>
+
+
+      </div>
+    </div> <!-- end side-nav -->
+    <script>
+      $(document).ready(function() {
+        scrollIntoView("devdoc-nav");
+        });
+    </script>
+<?cs /def ?>
+
+<?cs
+
+def:ndk_samples_nav() ?>
+  <div class="wrap clearfix" id="body-content">
+    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div id="devdoc-nav" class="scroll-pane">
+<?cs
+        include:"../../../../frameworks/base/docs/html-ndk/ndk/samples/samples_toc.cs" ?>
+
+
+      </div>
+    </div> <!-- end side-nav -->
+    <script>
+      $(document).ready(function() {
+        scrollIntoView("devdoc-nav");
+        });
+    </script>
+<?cs /def ?>
+
+<?cs
+
+def:ndk_downloads_nav() ?>
+  <div class="wrap clearfix" id="body-content">
+    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div id="devdoc-nav" class="scroll-pane">
+<?cs
+        include:"../../../../frameworks/base/docs/html-ndk/ndk/downloads/downloads_toc.cs" ?>
+
+
       </div>
     </div> <!-- end side-nav -->
     <script>
@@ -36,6 +111,7 @@
         });
     </script>
 <?cs /def ?>
+
 <?cs
 def:training_nav() ?>
   <div class="wrap clearfix" id="body-content">
@@ -43,9 +119,9 @@
       <div id="devdoc-nav" class="scroll-pane">
 
 
-<?cs 
+<?cs
         include:"../../../../frameworks/base/docs/html/training/training_toc.cs" ?>
-        
+
 
       </div>
     </div> <!-- end side-nav -->
@@ -112,6 +188,20 @@
     </script>
 <?cs /def ?><?cs
 
+def:analyze_nav() ?>
+  <div class="wrap clearfix" id="body-content">
+    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div id="devdoc-nav" class="scroll-pane">
+<?cs include:"../../../../frameworks/base/docs/html/distribute/analyze/analyze_toc.cs" ?>
+      </div>
+    </div> <!-- end side-nav -->
+    <script>
+      $(document).ready(function() {
+        scrollIntoView("devdoc-nav");
+        });
+    </script>
+<?cs /def ?><?cs
+
 def:monetize_nav() ?>
   <div class="wrap clearfix" id="body-content">
     <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
@@ -159,9 +249,9 @@
     <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
       <div id="devdoc-nav" class="scroll-pane">
 
-<?cs 
+<?cs
         include:"../../../../frameworks/base/docs/html/guide/guide_toc.cs" ?>
-        
+
 
       </div>
     </div> <!-- end side-nav -->
@@ -180,7 +270,7 @@
 
 <?cs
         include:"../../../../frameworks/base/docs/html/design/design_toc.cs" ?>
-       
+
 
       </div>
     </div> <!-- end side-nav -->
@@ -198,7 +288,7 @@
 
 <?cs
         include:"../../../../frameworks/base/docs/html/distribute/distribute_toc.cs" ?>
-        
+
 
       </div>
     </div> <!-- end side-nav -->
@@ -236,12 +326,12 @@
 
 <?cs
         include:"../../../../frameworks/base/docs/html/google/google_toc.cs" ?>
-        
+
 
       </div>
       <script type="text/javascript">
        showGoogleRefTree();
-    
+
       </script>
     </div> <!-- end side-nav -->
     <script>
@@ -259,7 +349,7 @@
 
 <?cs
         include:"../../../../frameworks/base/docs/html/about/about_toc.cs" ?>
-        
+
 
       </div>
     </div> <!-- end side-nav -->
@@ -290,7 +380,23 @@
     </script>
 <?cs /def ?>
 
-<?cs # The default side navigation for the reference docs ?><?cs 
+<?cs
+def:preview_nav() ?>
+  <div class="wrap clearfix" id="body-content">
+    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div id="devdoc-nav" class="scroll-pane">
+        <?cs
+          include:"../../../../frameworks/base/docs/html/preview/preview_toc.cs" ?>
+      </div>
+    </div> <!-- end side-nav -->
+    <script>
+      $(document).ready(function() {
+        scrollIntoView("devdoc-nav");
+        });
+    </script>
+<?cs /def ?>
+
+<?cs # The default side navigation for the reference docs ?><?cs
 def:default_left_nav() ?>
 <?cs if:reference.gcm || reference.gms ?>
   <?cs call:google_nav() ?>
@@ -311,15 +417,15 @@
         <div id="api-nav-title">Android APIs</div>
         </div><!-- end nav header -->
       <script>
-        var SINCE_DATA = [ <?cs 
-          each:since = since ?>'<?cs 
-            var:since.name ?>'<?cs 
+        var SINCE_DATA = [ <?cs
+          each:since = since ?>'<?cs
+            var:since.name ?>'<?cs
             if:!last(since) ?>, <?cs /if ?><?cs
-          /each 
+          /each
         ?> ];
         buildApiLevelSelector();
       </script>
-                  
+
       <div id="swapper">
         <div id="nav-panels">
           <div id="resize-packages-nav">
@@ -334,27 +440,29 @@
           <div id="classes-nav" class="scroll-pane">
 
 
-<?cs 
+<?cs
             if:subcount(class.package) ?>
             <ul>
+              <?cs call:list("Annotations", class.package.annotations) ?>
               <?cs call:list("Interfaces", class.package.interfaces) ?>
               <?cs call:list("Classes", class.package.classes) ?>
               <?cs call:list("Enums", class.package.enums) ?>
               <?cs call:list("Exceptions", class.package.exceptions) ?>
               <?cs call:list("Errors", class.package.errors) ?>
-            </ul><?cs 
+            </ul><?cs
             elif:subcount(package) ?>
             <ul>
+              <?cs call:class_link_list("Annotations", package.annotations) ?>
               <?cs call:class_link_list("Interfaces", package.interfaces) ?>
               <?cs call:class_link_list("Classes", package.classes) ?>
               <?cs call:class_link_list("Enums", package.enums) ?>
               <?cs call:class_link_list("Exceptions", package.exceptions) ?>
               <?cs call:class_link_list("Errors", package.errors) ?>
-            </ul><?cs 
+            </ul><?cs
             else ?>
-              <p style="padding:10px">Select a package to view its members</p><?cs 
+              <p style="padding:10px">Select a package to view its members</p><?cs
             /if ?><br/>
-        
+
 
           </div><!-- end classes -->
         </div><!-- end nav-panels -->
@@ -395,7 +503,7 @@
         });
     </script>
 <?cs /if ?>
-    <?cs 
+    <?cs
 /def ?>
 
 
@@ -431,8 +539,8 @@
                 <option value="ja">日本語</option>
                 <option value="ko">한국어</option>
                 <option value="ru">Русский</option>
-                <option value="zh-cn">中文 (中国)</option>
-                <option value="zh-tw">中文 (台灣)</option>
+                <option value="zh-cn">中文（简体)</option>
+                <option value="zh-tw">中文（繁體)</option>
             </select>
           </div>
         <script type="text/javascript">
@@ -497,25 +605,35 @@
 
 
 
-<?cs 
+<?cs
 def:custom_left_nav() ?><?cs
   if:fullpage ?><?cs
     call:fullpage() ?><?cs
   elif:nonavpage ?><?cs
     call:no_nav() ?><?cs
-  elif:guide ?><?cs 
-    call:guide_nav() ?><?cs 
+  elif:ndk ?><?cs
+    if:guide ?><?cs
+      call:ndk_guides_nav() ?><?cs
+    elif:reference ?><?cs
+      call:ndk_reference_nav() ?><?cs
+    elif:samples ?><?cs
+      call:ndk_samples_nav() ?><?cs
+    elif:downloads ?><?cs
+      call:ndk_downloads_nav() ?><?cs
+    /if ?><?cs
+  elif:guide ?><?cs
+    call:guide_nav() ?><?cs
   elif:design ?><?cs
-    call:design_nav() ?><?cs 
-  elif:training ?><?cs 
-    call:training_nav() ?><?cs 
-  elif:tools ?><?cs 
+    call:design_nav() ?><?cs
+  elif:training ?><?cs
+    call:training_nav() ?><?cs
+  elif:tools ?><?cs
     call:tools_nav() ?><?cs
-  elif:google ?><?cs 
-    call:google_nav() ?><?cs 
+  elif:google ?><?cs
+    call:google_nav() ?><?cs
   elif:samples ?><?cs
     call:samples_nav() ?><?cs
-  elif:distribute ?><?cs 
+  elif:distribute ?><?cs
     if:googleplay ?><?cs
       call:googleplay_nav() ?><?cs
     elif:essentials ?><?cs
@@ -526,6 +644,8 @@
       call:engage_nav() ?><?cs
     elif:monetize ?><?cs
       call:monetize_nav() ?><?cs
+    elif:analyze ?><?cs
+      call:analyze_nav() ?><?cs
     elif:disttools ?><?cs
       call:disttools_nav() ?><?cs
     elif:stories ?><?cs
@@ -537,38 +657,40 @@
     call:distribute_nav() ?><?cs
   elif:wear ?><?cs
     call:wear_nav() ?><?cs
+  elif:preview ?><?cs
+    call:preview_nav() ?><?cs
   else ?><?cs
     call:default_left_nav() ?> <?cs
   /if ?><?cs
 /def ?>
 
-<?cs # appears at the bottom of every page ?><?cs 
+<?cs # appears at the bottom of every page ?><?cs
 def:custom_cc_copyright() ?>
-  Except as noted, this content is 
+  Except as noted, this content is
   licensed under <a href="http://creativecommons.org/licenses/by/2.5/">
-  Creative Commons Attribution 2.5</a>. For details and 
-  restrictions, see the <a href="<?cs var:toroot ?>license.html">Content 
-  License</a>.<?cs 
+  Creative Commons Attribution 2.5</a>. For details and
+  restrictions, see the <a href="<?cs var:toroot ?>license.html">Content
+  License</a>.<?cs
 /def ?>
 
-<?cs 
+<?cs
 def:custom_copyright() ?>
   Except as noted, this content is licensed under <a
-  href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0</a>. 
+  href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0</a>.
   For details and restrictions, see the <a href="<?cs var:toroot ?>license.html">
-  Content License</a>.<?cs 
+  Content License</a>.<?cs
 /def ?>
 
-<?cs 
+<?cs
 def:custom_footerlinks() ?>
   <p>
     <a href="<?cs var:toroot ?>about/index.html">About Android</a>&nbsp;&nbsp;|&nbsp;
     <a href="<?cs var:toroot ?>legal.html">Legal</a>&nbsp;&nbsp;|&nbsp;
     <a href="<?cs var:toroot ?>support.html">Support</a>
-  </p><?cs 
+  </p><?cs
 /def ?>
 
-<?cs # appears on the right side of the blue bar at the bottom off every page ?><?cs 
+<?cs # appears on the right side of the blue bar at the bottom off every page ?><?cs
 def:custom_buildinfo() ?><?cs
   if:!google && !reference.gcm && !reference.gms ?>
     Android <?cs var:sdk.version ?>&nbsp;r<?cs var:sdk.rel.id ?> &mdash; <?cs
diff --git a/tools/droiddoc/templates-ds/data.hdf b/tools/droiddoc/templates-ndk/data.hdf
similarity index 100%
rename from tools/droiddoc/templates-ds/data.hdf
rename to tools/droiddoc/templates-ndk/data.hdf
diff --git a/tools/droiddoc/templates-sdk-dyn/designpage.cs b/tools/droiddoc/templates-ndk/designpage.cs
similarity index 100%
rename from tools/droiddoc/templates-sdk-dyn/designpage.cs
rename to tools/droiddoc/templates-ndk/designpage.cs
diff --git a/tools/droiddoc/templates-sdk-dyn/docpage.cs b/tools/droiddoc/templates-ndk/docpage.cs
similarity index 71%
rename from tools/droiddoc/templates-sdk-dyn/docpage.cs
rename to tools/droiddoc/templates-ndk/docpage.cs
index 7eae40505..fa6dde60a 100644
--- a/tools/droiddoc/templates-sdk-dyn/docpage.cs
+++ b/tools/droiddoc/templates-ndk/docpage.cs
@@ -2,27 +2,11 @@
 <?cs include:"macros.cs" ?>
 <html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
-<body class="gc-documentation 
-
-<?cs
-if:(google || reference.gms || reference.gcm) ?>google<?cs /if ?><?cs
-  if:(guide||develop||training||reference||tools||sdk||samples) ?>develop<?cs
+<body class="gc-documentation develop <?cs
     if:guide ?> guide<?cs /if ?><?cs
+    if:reference ?> reference<?cs /if ?><?cs
     if:samples ?> samples<?cs /if ?><?cs
-  elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories)
-    ?>distribute<?cs
-    if:googleplay ?> googleplay<?cs /if ?><?cs
-    if:essentials ?> essentials<?cs /if ?><?cs
-    if:users ?> users<?cs /if ?><?cs
-    if:engage ?> engage<?cs /if ?><?cs
-    if:monetize ?> monetize<?cs /if ?><?cs
-    if:disttools ?> disttools<?cs /if ?><?cs
-    if:stories ?> stories<?cs /if ?><?cs
-  elif:about ?>about<?cs
-  elif:design ?>design<?cs
-/if ?><?cs
-if:page.trainingcourse ?> trainingcourse<?cs
-/if ?>" itemscope itemtype="http://schema.org/Article"><?cs
+    if:downloads ?> downloads<?cs /if ?>" itemscope itemtype="http://schema.org/Article"><?cs
 include:"header.cs" ?>
 
 <div <?cs
@@ -90,7 +74,7 @@
       </div>
     <?cs /if ?><?cs # end if training ?>
   </div>
-  <?cs /if ?>
+  <?cs /if ?><?cs # end if header.hide ?>
 
 <?cs elif:samplesProjectIndex ?>
   <div id="api-info-block">
@@ -103,7 +87,14 @@
   <h1 itemprop="name"><?cs var:projectDir ?></h1>
 
 <?cs else ?>
-
+  <?cs if:training ?>
+<?cs # horrible horrible hack to move TOC up when the next/prev links are not there ?>
+<style>
+  #tb-wrapper {
+    margin-top:6px;
+  }
+</style>
+  <?cs /if ?>
 
   <?cs if:(!fullpage && !header.hide) ?>
     <?cs if:page.landing ?><?cs # header logic for docs that are landing pages ?>
@@ -150,25 +141,9 @@
                     if:fullpage ?>wrap<?cs
                     else ?>layout-content-row<?cs /if ?>"
                     itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <div class="layout-content-col <?cs
-                    if:fullpage ?>col-16<?cs
-                    elif:training||guide ?>col-8<?cs
-                    else ?>col-9<?cs /if ?>" style="padding-top:4px">
-          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
-            <div class="g-plusone" data-size="medium"></div>
-          <?cs /if ?>
-        </div>
         <?cs if:!fullscreen ?>
-        <div class="paging-links layout-content-col col-4">
+        <div class="paging-links layout-content-col col-10">
           <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
-            <a href="#" class="prev-page-link hide"
-                zh-tw-lang="上一堂課"
-                zh-cn-lang="上一课"
-                ru-lang="Предыдущий"
-                ko-lang="이전"
-                ja-lang="前へ"
-                es-lang="Anterior"
-                >Previous</a>
             <a href="#" class="next-page-link hide"
                 zh-tw-lang="下一堂課"
                 zh-cn-lang="下一课"
@@ -185,41 +160,28 @@
                 ja-lang="開始する"
                 es-lang="Empezar"
                 >Get started</a>
+            <a href="#" class="next-class-link hide">Next class</a>
+          <?cs /if ?>
+        </div>
+        <div class="layout-content-col plus-container col-2" >
+          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
+            <div class="g-plusone" data-size="medium"></div>
           <?cs /if ?>
         </div>
         <?cs /if ?>
       </div>
 
-      <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
-      <?cs if:training && !page.article ?>
-      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
-          <a href="#" class="next-class-link hide">Next class: </a>
-      </div>
-      <?cs /if ?>
-
   </div> <!-- end jd-content -->
 
 <?cs include:"footer.cs" ?>
 </div><!-- end doc-content -->
 
-<!-- Start of Tag -->
-<script type="text/javascript">
-var axel = Math.random() + "";
-var a = axel * 10000000000000;
-document.write('<iframe src="https://2507573.fls.doubleclick.net/activityi;src=2507573;type=other026;cat=googl348;ord=' + a + '?" width="1" height="1" frameborder="0" style="display:none"></iframe>');
-</script>
-<noscript>
-<iframe src="https://2507573.fls.doubleclick.net/activityi;src=2507573;type=other026;cat=googl348;ord=1?" width="1" height="1" frameborder="0" style="display:none"></iframe>
-</noscript>
-<!-- End of Tag -->
-
-
 <?cs include:"trailer.cs" ?>
   <script src="https://developer.android.com/ytblogger_lists_unified.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_lists_unified.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_extras.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_collections.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_tag_helpers.js" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_lists_unified.js?v=8" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_extras.js?v=10" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_collections.js?v=10" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_tag_helpers.js?v=5" type="text/javascript"></script>
 
 </body>
 </html>
diff --git a/tools/droiddoc/templates-ds/footer.cs b/tools/droiddoc/templates-ndk/footer.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/footer.cs
rename to tools/droiddoc/templates-ndk/footer.cs
diff --git a/tools/droiddoc/templates-ds/gcm_navtree_data.cs b/tools/droiddoc/templates-ndk/gcm_navtree_data.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/gcm_navtree_data.cs
rename to tools/droiddoc/templates-ndk/gcm_navtree_data.cs
diff --git a/tools/droiddoc/templates-ds/gms_navtree_data.cs b/tools/droiddoc/templates-ndk/gms_navtree_data.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/gms_navtree_data.cs
rename to tools/droiddoc/templates-ndk/gms_navtree_data.cs
diff --git a/tools/droiddoc/templates-sdk-dyn/head_tag.cs b/tools/droiddoc/templates-ndk/head_tag.cs
similarity index 65%
rename from tools/droiddoc/templates-sdk-dyn/head_tag.cs
rename to tools/droiddoc/templates-ndk/head_tag.cs
index 732118f2a..d9dca8b34 100644
--- a/tools/droiddoc/templates-sdk-dyn/head_tag.cs
+++ b/tools/droiddoc/templates-ndk/head_tag.cs
@@ -24,8 +24,8 @@
 <meta name="Description" content="<?cs var:page.metaDescription ?>"><?cs
   /if ?>
 <link rel="shortcut icon" type="image/x-icon" href="<?cs var:toroot ?>favicon.ico" />
-<title><?cs 
-  if:page.title ?><?cs 
+<title><?cs
+  if:page.title ?><?cs
     var:page.title ?> | <?cs
   /if ?>Android Developers</title>
 
@@ -38,13 +38,7 @@
 if:android.whichdoc != 'online' ?>http:<?cs
 /if ?>//fonts.googleapis.com/css?family=Roboto:light,regular,medium,thin,italic,mediumitalic,bold"
   title="roboto">
-<link href="<?cs var:toroot ?>assets/css/default.css" rel="stylesheet" type="text/css">
-
-<?cs if:reference && !(reference.gms || reference.gcm || wear) ?>
-<!-- FULLSCREEN STYLESHEET -->
-<link href="<?cs var:toroot ?>assets/css/fullscreen.css" rel="stylesheet" class="fullscreen"
-type="text/css">
-<?cs /if ?>
+<link href="<?cs var:toroot ?>assets/css/default.css?v=5" rel="stylesheet" type="text/css">
 
 <!-- JAVASCRIPT -->
 <script src="<?cs if:android.whichdoc != 'online' ?>http:<?cs /if ?>//www.google.com/jsapi" type="text/javascript"></script>
@@ -62,17 +56,25 @@
   var metaTags = [<?cs var:meta.tags ?>];
   var devsite = <?cs if:devsite ?>true<?cs else ?>false<?cs /if ?>;
 </script>
-<script src="<?cs var:toroot ?>assets/js/docs.js" type="text/javascript"></script>
+<script src="<?cs var:toroot ?>assets/js/docs.js?v=3" type="text/javascript"></script>
 
-<script type="text/javascript">
-  var _gaq = _gaq || [];
-  _gaq.push(['_setAccount', 'UA-5831155-1']);
-  _gaq.push(['_trackPageview']);
+<?cs if:helpoutsWidget ?>
+<script type="text/javascript" src="https://helpouts.google.com/ps/res/embed.js" defer async
+    data-helpouts-embed data-helpouts-vertical="programming"
+    data-helpouts-tags="<?cs var:page.tags ?>" data-helpouts-prefix="android"
+    data-helpouts-standalone="true"></script>
+<?cs /if ?>
+
+<script>
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
 
-  (function() {
-    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-  })();
+  ga('create', 'UA-5831155-1', 'android.com');
+  ga('create', 'UA-49880327-2', 'android.com', {'name': 'universal'});  // New tracker);
+  ga('send', 'pageview');
+  ga('universal.send', 'pageview'); // Send page view for new tracker.
 </script>
+
 </head>
diff --git a/tools/droiddoc/templates-ds/header.cs b/tools/droiddoc/templates-ndk/header.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/header.cs
rename to tools/droiddoc/templates-ndk/header.cs
diff --git a/tools/droiddoc/templates-ds/header_tabs.cs b/tools/droiddoc/templates-ndk/header_tabs.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/header_tabs.cs
rename to tools/droiddoc/templates-ndk/header_tabs.cs
diff --git a/tools/droiddoc/templates-ds/jd_lists_unified.cs b/tools/droiddoc/templates-ndk/jd_lists_unified.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/jd_lists_unified.cs
rename to tools/droiddoc/templates-ndk/jd_lists_unified.cs
diff --git a/tools/droiddoc/templates-ndk/macros_override.cs b/tools/droiddoc/templates-ndk/macros_override.cs
new file mode 100644
index 000000000..0a945986e
--- /dev/null
+++ b/tools/droiddoc/templates-ndk/macros_override.cs
@@ -0,0 +1,36 @@
+<?cs # Create a comma separated list of annotations on obj that were in showAnnotations in Doclava ?>
+<?cs # pre is an HTML string to start the list, post is an HTML string to close the list ?>
+<?cs # for example call:show_annotations_list(cl, "<td>Annotations: ", "</td>") ?>
+<?cs # if obj has nothing on obj.showAnnotations, nothing will be output ?>
+<?cs def:show_annotations_list(obj) ?>
+    <?cs each:anno = obj.showAnnotations ?>
+      <?cs if:first(anno) ?>
+        <span class='annotation-message'>
+          Included in documentation by the annotations:
+      <?cs /if ?>
+      @<?cs var:anno.type.label ?>
+      <?cs if:last(anno) == 0 ?>
+        , &nbsp;
+      <?cs /if ?>
+      <?cs if:last(anno)?>
+        </span>
+      <?cs /if ?>
+    <?cs /each ?>
+<?cs /def ?>
+
+<?cs # Override default class_link_table to display annotations ?>
+<?cs def:class_link_table(classes) ?>
+  <?cs set:count = #1 ?>
+  <table class="jd-sumtable-expando">
+    <?cs each:cl=classes ?>
+      <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:cl.type.since ?>" >
+        <td class="jd-linkcol"><?cs call:type_link(cl.type) ?></td>
+        <td class="jd-descrcol" width="100%">
+          <?cs call:short_descr(cl) ?>&nbsp;
+          <?cs call:show_annotations_list(cl) ?>
+        </td>
+      </tr>
+      <?cs set:count = count + #1 ?>
+    <?cs /each ?>
+  </table>
+<?cs /def ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-ds/navtree_data.cs b/tools/droiddoc/templates-ndk/navtree_data.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/navtree_data.cs
rename to tools/droiddoc/templates-ndk/navtree_data.cs
diff --git a/tools/droiddoc/templates-sdk-dyn/nosidenavpage.cs b/tools/droiddoc/templates-ndk/nosidenavpage.cs
similarity index 100%
rename from tools/droiddoc/templates-sdk-dyn/nosidenavpage.cs
rename to tools/droiddoc/templates-ndk/nosidenavpage.cs
diff --git a/tools/droiddoc/templates-ds/package.cs b/tools/droiddoc/templates-ndk/package.cs
similarity index 92%
rename from tools/droiddoc/templates-ds/package.cs
rename to tools/droiddoc/templates-ndk/package.cs
index d67d5d9c6..22255650b 100644
--- a/tools/droiddoc/templates-ds/package.cs
+++ b/tools/droiddoc/templates-ndk/package.cs
@@ -1,10 +1,13 @@
 <?cs include:"doctype.cs" ?>
 <?cs include:"macros.cs" ?>
-<html devsite>
+<?cs include:"macros_override.cs" ?>
+<html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
 
 <body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
   <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
+    if:reference ?> reference<?cs
+    /if ?><?cs
   elif:design ?>design<?cs
   elif:distribute ?>distribute<?cs
   /if ?>">
diff --git a/tools/droiddoc/templates-sdk-dyn/packages.cs b/tools/droiddoc/templates-ndk/packages.cs
similarity index 95%
rename from tools/droiddoc/templates-sdk-dyn/packages.cs
rename to tools/droiddoc/templates-ndk/packages.cs
index 44680c30a..5056d3a5d 100644
--- a/tools/droiddoc/templates-sdk-dyn/packages.cs
+++ b/tools/droiddoc/templates-ndk/packages.cs
@@ -4,6 +4,8 @@
 <?cs include:"head_tag.cs" ?>
 <body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
   <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
+    if:reference ?> reference<?cs
+    /if ?><?cs
   elif:design ?>design<?cs
   elif:distribute ?>distribute<?cs
   /if ?>">
diff --git a/tools/droiddoc/templates-sdk-dyn/sample.cs b/tools/droiddoc/templates-ndk/sample.cs
similarity index 98%
rename from tools/droiddoc/templates-sdk-dyn/sample.cs
rename to tools/droiddoc/templates-ndk/sample.cs
index c6f28f818..32a0788ef 100644
--- a/tools/droiddoc/templates-sdk-dyn/sample.cs
+++ b/tools/droiddoc/templates-ndk/sample.cs
@@ -18,7 +18,7 @@
   <a href="<?cs var:toroot ?>samples/<?cs var:projectDir ?>/index.html">Overview</a>
   &#124; <a href="<?cs var:toroot ?>samples/<?cs var:projectDir ?>/project.html">Project</a>
   &#124; <a href="<?cs var:toroot ?>downloads/samples/<?cs var:projectDir ?>.zip"
-    onclick="_gaq.push(['_trackEvent', 'Samples', 'Download', <?cs var:projectDir ?>]);"
+    onclick="ga('send', 'event', 'Samples', 'Download', <?cs var:projectDir ?>);"
     >Download</a>
 
 </div><!-- end sum-details-links -->
diff --git a/tools/droiddoc/templates-sdk-dyn/sampleindex.cs b/tools/droiddoc/templates-ndk/sampleindex.cs
similarity index 98%
rename from tools/droiddoc/templates-sdk-dyn/sampleindex.cs
rename to tools/droiddoc/templates-ndk/sampleindex.cs
index 98767b180..1bacb53ad 100644
--- a/tools/droiddoc/templates-sdk-dyn/sampleindex.cs
+++ b/tools/droiddoc/templates-ndk/sampleindex.cs
@@ -21,7 +21,7 @@
 &#124; <a href="<?cs var:toroot ?>samples/<?cs var:projectDir ?>/project.html">Project</a>
 <?cs /if ?>
 &#124; <a href="<?cs var:toroot ?>downloads/samples/<?cs var:projectDir ?>.zip"
-    onclick="_gaq.push(['_trackEvent', 'Samples', 'Download', <?cs var:projectDir ?>]);"
+    onclick="ga('send', 'event', 'Samples', 'Download', <?cs var:projectDir ?>);"
     >Download</a>
 
 </div><!-- end sum-details-links -->
diff --git a/tools/droiddoc/templates-sdk-dyn/samples_navtree_data.cs b/tools/droiddoc/templates-ndk/samples_navtree_data.cs
similarity index 100%
rename from tools/droiddoc/templates-sdk-dyn/samples_navtree_data.cs
rename to tools/droiddoc/templates-ndk/samples_navtree_data.cs
diff --git a/tools/droiddoc/templates-sdk/sdkpage.cs b/tools/droiddoc/templates-ndk/sdkpage.cs
similarity index 90%
rename from tools/droiddoc/templates-sdk/sdkpage.cs
rename to tools/droiddoc/templates-ndk/sdkpage.cs
index 817ac47a6..ffad465cd 100644
--- a/tools/droiddoc/templates-sdk/sdkpage.cs
+++ b/tools/droiddoc/templates-ndk/sdkpage.cs
@@ -80,13 +80,13 @@
       <th>Platform</th>
       <th>Package</th>
       <th style="white-space:nowrap">Size (Bytes)</th>
-      <th>MD5 Checksum</th>
+      <th>SHA1 Checksum</th>
   </tr>
   <tr>
     <td>Windows 32-bit</td>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win32_download ?>"><?cs var:ndk.win32_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.win32_download ?>"><?cs var:ndk.win32_download ?></a>
     </td>
     <td><?cs var:ndk.win32_bytes ?></td>
     <td><?cs var:ndk.win32_checksum ?></td>
@@ -94,7 +94,7 @@
  <!-- <tr>
    <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win32.legacy_download ?>"><?cs var:ndk.win32.legacy_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.win32.legacy_download ?>"><?cs var:ndk.win32.legacy_download ?></a>
     </td>
     <td><?cs var:ndk.win32.legacy_bytes ?></td>
     <td><?cs var:ndk.win32.legacy_checksum ?></td>
@@ -103,7 +103,7 @@
     <td>Windows 64-bit</td>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win64_download ?>"><?cs var:ndk.win64_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.win64_download ?>"><?cs var:ndk.win64_download ?></a>
     </td>
     <td><?cs var:ndk.win64_bytes ?></td>
     <td><?cs var:ndk.win64_checksum ?></td>
@@ -111,7 +111,7 @@
  <!--  <tr>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win64.legacy_download ?>"><?cs var:ndk.win64.legacy_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.win64.legacy_download ?>"><?cs var:ndk.win64.legacy_download ?></a>
     </td>
     <td><?cs var:ndk.win64.legacy_bytes ?></td>
     <td><?cs var:ndk.win64.legacy_checksum ?></td>
@@ -120,7 +120,7 @@
     <td>Mac OS X 32-bit</td>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac32_download ?>"><?cs var:ndk.mac32_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.mac32_download ?>"><?cs var:ndk.mac32_download ?></a>
     </td>
     <td><?cs var:ndk.mac32_bytes ?></td>
     <td><?cs var:ndk.mac32_checksum ?></td>
@@ -128,7 +128,7 @@
  <!--  <tr>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac32.legacy_download ?>"><?cs var:ndk.mac32.legacy_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.mac32.legacy_download ?>"><?cs var:ndk.mac32.legacy_download ?></a>
     </td>
     <td><?cs var:ndk.mac32.legacy_bytes ?></td>
     <td><?cs var:ndk.mac32.legacy_checksum ?></td>
@@ -136,7 +136,7 @@
     <td>Mac OS X 64-bit</td>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac64_download ?>"><?cs var:ndk.mac64_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.mac64_download ?>"><?cs var:ndk.mac64_download ?></a>
     </td>
     <td><?cs var:ndk.mac64_bytes ?></td>
     <td><?cs var:ndk.mac64_checksum ?></td>
@@ -144,24 +144,15 @@
  <!--  <tr>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac64.legacy_download ?>"><?cs var:ndk.mac64.legacy_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.mac64.legacy_download ?>"><?cs var:ndk.mac64.legacy_download ?></a>
     </td>
     <td><?cs var:ndk.mac64.legacy_bytes ?></td>
     <td><?cs var:ndk.mac64.legacy_checksum ?></td>
   </tr> -->
-  <tr>
-    <td>Linux 32-bit (x86)</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux32_download ?>"><?cs var:ndk.linux32_download ?></a>
-    </td>
-    <td><?cs var:ndk.linux32_bytes ?></td>
-    <td><?cs var:ndk.linux32_checksum ?></td>
-  </tr>
  <!--  <tr>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux32.legacy_download ?>"><?cs var:ndk.linux32.legacy_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.linux32.legacy_download ?>"><?cs var:ndk.linux32.legacy_download ?></a>
     </td>
     <td><?cs var:ndk.linux32.legacy_bytes ?></td>
     <td><?cs var:ndk.linux32.legacy_checksum ?></td>
@@ -170,7 +161,7 @@
     <td>Linux 64-bit (x86)</td>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux64_download ?>"><?cs var:ndk.linux64_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.linux64_download ?>"><?cs var:ndk.linux64_download ?></a>
     </td>
     <td><?cs var:ndk.linux64_bytes ?></td>
     <td><?cs var:ndk.linux64_checksum ?></td>
@@ -178,7 +169,7 @@
   <!--  <tr>
     <td>
   <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux64.legacy_download ?>"><?cs var:ndk.linux64.legacy_download ?></a>
+     href="http://dl.google.com/android/repository/<?cs var:ndk.linux64.legacy_download ?>"><?cs var:ndk.linux64.legacy_download ?></a>
     </td>
     <td><?cs var:ndk.linux64.legacy_bytes ?></td>
     <td><?cs var:ndk.linux64.legacy_checksum ?></td>
diff --git a/tools/droiddoc/templates-ds/timestamp.cs b/tools/droiddoc/templates-ndk/timestamp.cs
similarity index 100%
rename from tools/droiddoc/templates-ds/timestamp.cs
rename to tools/droiddoc/templates-ndk/timestamp.cs
diff --git a/tools/droiddoc/templates-sdk-dyn/trailer.cs b/tools/droiddoc/templates-ndk/trailer.cs
similarity index 100%
rename from tools/droiddoc/templates-sdk-dyn/trailer.cs
rename to tools/droiddoc/templates-ndk/trailer.cs
diff --git a/tools/droiddoc/templates-pdk/assets/images/android_logo.png b/tools/droiddoc/templates-pdk/assets/images/android_logo.png
new file mode 100644
index 000000000..4040f3f76
Binary files /dev/null and b/tools/droiddoc/templates-pdk/assets/images/android_logo.png differ
diff --git a/tools/droiddoc/templates-pdk/components/masthead.cs b/tools/droiddoc/templates-pdk/components/masthead.cs
index 05437f300..874c11c5b 100644
--- a/tools/droiddoc/templates-pdk/components/masthead.cs
+++ b/tools/droiddoc/templates-pdk/components/masthead.cs
@@ -1,10 +1,9 @@
-<?cs 
+<?cs
 def:custom_masthead() ?>
   <div id="header">
       <div id="headerLeft">
           <a href="<?cs var:toroot ?>guide/index.html"><img
-              src="<?cs var:toroot ?>assets/images/android-partner-logo.png" alt="Android Platform Development Kit" /></a>
-       
+              src="<?cs var:toroot ?>assets/images/android_logo.png" alt="Android Platform Development Kit" /></a>
       </div>
       <div id="headerRight">
           <div id="headerLinks">
diff --git a/tools/droiddoc/templates-sac/assets/css/default.css b/tools/droiddoc/templates-sac/assets/css/default.css
index c1a0c19d7..9b1fe5a3b 100644
--- a/tools/droiddoc/templates-sac/assets/css/default.css
+++ b/tools/droiddoc/templates-sac/assets/css/default.css
@@ -408,7 +408,7 @@ video.with-shadow {
 .content-header.just-links {
   margin-bottom:0;
   padding-bottom:0;}
-    
+ 
 .content-header h1 {
   color:#000;
   margin:0;
@@ -420,8 +420,12 @@ video.with-shadow {
   border-top: 1px solid #ccc;
   margin-top: 10px;
   padding-top:10px;
-  height: 30px; }
+  height: 30px;
+}
 
+.content-footer-sac {
+  border-top: 1px solid #ccc;
+}
 .content-footer .col-9 {
   margin-left:0;
 }
@@ -1093,8 +1097,12 @@ ul ul, ul ol, ol ul, ol ol {
 li {
   margin:0 0 5px;
 }
+dt {
+  font-weight:bold;
+}
 dd {
   margin:0 0 10px 30px;
+  padding: 5px;
 }
 dd p,
 dd pre,
@@ -1503,7 +1511,7 @@ Header, Login, Nav-X, Search
 .devices a.selected {
     color: #F80;
 }
-.accessories a.selected {
+.security a.selected {
     color: #9C0;
 }
 .compatibility a.selected {
@@ -2200,6 +2208,7 @@ a:visited,
 #nav-swap {
   height:30px;
   border-top:1px solid #ccc;
+  display: none;
 }
 #nav-swap a {
   display:inline-block;
@@ -2234,6 +2243,10 @@ a:visited,
   margin-left:0;
 }
 
+#nav-tree, #swapper {
+  display: none;
+}
+
 #nav-tree ul {
   list-style:none;
   padding:0;
@@ -2328,11 +2341,13 @@ a:visited,
   border-bottom: 1px solid #CCC;
   background:#e9e9e9;
   background: rgba(0, 0, 0, 0.05); /* matches #nav li.expanded */
+  display: none;
 
 }
 #api-nav-title {
   padding:0 5px;
   white-space:nowrap;
+  display: none;
 }
 
 #api-level-toggle {
@@ -3572,8 +3587,9 @@ EndColorStr='#ececec');
   border-color: #33b5e5;
 }
 
+// Fudging this so SAC looks OK
 .develop #header .wrap {
-  border-color: #F80;
+  border-color: #CCC;
 }
 
 .distribute #header .wrap {
@@ -4457,6 +4473,11 @@ a.download-sdk {
   float:right;
 }
 
+.feedback {
+  float:right !important;
+  margin: 0 0 0 10px;
+  font-size: 14px;
+}
 
 
 /************* HOME/LANDING PAGE *****************/
@@ -4551,3 +4572,87 @@ a.download-sdk {
 .fullpage #footer {
   margin-top: -40px;
 }
+
+.annotation-message {
+  display: block;
+}
+
+.dac-custom-search {
+  background: #fff;
+  margin: 0 -10px;
+  padding: 20px 10px;
+  z-index: 1;
+}
+
+.dac-custom-search .dac-fab, .dac-custom-search .dac-button-social {
+  top: -48px;
+}
+
+.dac-custom-search-section-title {
+  color: #505050;
+}
+
+.dac-custom-search-entry {
+  margin-bottom: 36px;
+  margin-top: 24px;
+  margin-left: 0em;
+}
+
+.dac-custom-search-image {
+  background-size: cover;
+  height: 112px;
+}
+
+.dac-custom-search-title {
+  color: #333;
+  font-size: 14px;
+  font-weight: 700;
+  line-height: 0px;
+  padding: 0;
+  margin: 1em 0em 1em 0em;
+}
+
+.dac-custom-search-title a {
+  color: inherit;
+}
+
+.dac-custom-search-section {
+  color: #999;
+  font-size: 16px;
+  font-variant: small-caps;
+  font-weight: 700;
+  margin: -5px 0 0 0;
+}
+
+.dac-custom-search-snippet {
+  color: #666;
+  margin: 0em 0em .25em 0em;
+}
+
+.dac-custom-search-link {
+  font-weight: 500;
+  word-wrap: break-word;
+  width: 100%;
+}
+
+.dac-custom-search-load-more {
+  background: none;
+  border: none;
+  color: #333;
+  cursor: pointer;
+  display: block;
+  font-size: 14px;
+  font-weight: 700;
+  margin: 75px auto;
+  outline: none;
+  padding: 10px;
+}
+
+.dac-custom-search-load-more:hover {
+  opacity: 0.7;
+}
+
+.dac-custom-search-no-results {
+  color: #999;
+}
+
diff --git a/tools/droiddoc/templates-sac/assets/js/docs.js b/tools/droiddoc/templates-sac/assets/js/docs.js
index d3a92234b..d0c12a878 100644
--- a/tools/droiddoc/templates-sac/assets/js/docs.js
+++ b/tools/droiddoc/templates-sac/assets/js/docs.js
@@ -1630,7 +1630,10 @@ function search_changed(e, kd, toroot)
             } else {
               // otherwise, results are already showing, so allow ajax to auto refresh the results
               // and ignore this Enter press to avoid the reload.
-              return false;
+              // return false;
+              //
+              // For now, we're not using AJAX so we respond to every Enter.
+              return true;
             }
         } else if (kd && gSelectedIndex >= 0) {
             window.location = $("a",$('#search_filtered li')[gSelectedIndex]).attr("href");
@@ -1691,6 +1694,11 @@ function search_changed(e, kd, toroot)
 
 
         // Search for Google matches
+        /*
+         *  Commented this out because GOOGLE_DATA not defined for us and code
+         *  causes an error.  This probably has to do with the missing
+         *  gms_lists.js file in SAC. TODO figure it all out.
+         *
         for (var i=0; i<GOOGLE_DATA.length; i++) {
             var s = GOOGLE_DATA[i];
             if (text.length != 0 &&
@@ -1703,6 +1711,7 @@ function search_changed(e, kd, toroot)
         for (var i=0; i<gGoogleMatches.length; i++) {
             var s = gGoogleMatches[i];
         }
+        */
 
         highlight_autocomplete_result_labels(text);
         sync_selection_table(toroot);
@@ -1830,81 +1839,138 @@ function hideResults() {
   $("#search_autocomplete").val("").blur();
 
   // reset the ajax search callback to nothing, so results don't appear unless ENTER
-  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {});
+  //  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {});
   return false;
 }
 
 
-
 /* ########################################################## */
 /* ################  CUSTOM SEARCH ENGINE  ################## */
 /* ########################################################## */
 
-google.load('search', '1');
-var searchControl;
+// TODO, add localized search.
+function getLangPref() {
+  return "en";
+}
+
+// Package of functions that does custom search, from DAC redesign.
+(function($) {
+  var LANG;
+
+  function getSearchLang() {
+    if (!LANG) {
+      LANG = getLangPref();
+
+      // Fix zh-cn to be zh-CN.
+      LANG = LANG.replace(/-\w+/, function(m) { return m.toUpperCase(); });
+    }
+    return LANG;
+  }
+
+  function customSearch(query, start) {
+    var searchParams = {
+      // Keys for SAC
+      cx:'016258643462168859875:qqpm8fiwgc0',
+      key: 'AIzaSyBOWHD3JAF6Q9LIJ4NiahGAF70W7iDAI9M',
+
+      // Keys for DAC
+      // cx: '000521750095050289010:zpcpi1ea4s8',
+      // key: 'AIzaSyCFhbGnjW06dYwvRCU8h_zjdpS4PYYbEe8',
+
+      q: query,
+      start: start || 1,
+      num: 6,
+      hl: getSearchLang(),
+      fields: 'queries,items(pagemap,link,title,htmlSnippet,formattedUrl)'
+    };
+
+    return $.get('https://content.googleapis.com/customsearch/v1?' +  $.param(searchParams));
+  }
+
+  function renderResults(el, results) {
+    if (!results.items) {
+      el.append($('<div>').text('No results'));
+      return;
+    }
+
+    for (var i = 0; i < results.items.length; i++) {
+      var item = results.items[i];
+      // No thumbnail images in SAC.
+      // var hasImage = item.pagemap && item.pagemap.cse_thumbnail;
+      var sectionMatch = item.link.match(/source\.android\.com\/(\w*)/);
+      var section = (sectionMatch && sectionMatch[1]) || 'blog';
+
+      var entry = $('<div>').addClass('dac-custom-search-entry cols');
+
+// No thumbnail images in SAC.
+//      if (hasImage) {
+//        var image = item.pagemap.cse_thumbnail[0];
+//        entry.append($('<div>').addClass('col-1of6')
+//          .append($('<div>').addClass('dac-custom-search-image').css('background-image', 'url(' + image.src + ')')));
+//      }
+// entry.append($('<div>').addClass(hasImage ? 'col-5of6' : 'col-6of6')
+      entry.append($('<div>')
+        .append($('<p>').addClass('dac-custom-search-section').text(section))
+        .append(
+          $('<a>').text(item.title).attr('href', item.link).wrap('<h2>').parent().addClass('dac-custom-search-title')
+        )
+        .append($('<p>').addClass('dac-custom-search-snippet').html(item.htmlSnippet.replace(/<br>/g, '')))
+        .append($('<a>').addClass('dac-custom-search-link').text(item.formattedUrl).attr('href', item.link)));
+
+      el.append(entry);
+    }
+
+    if (results.queries.nextPage) {
+      var loadMoreButton = $('<button id="dac-custom-search-load-more">')
+        .addClass('dac-custom-search-load-more')
+        .text('Load more')
+        .click(function() {
+          loadMoreResults(el, results);
+        });
+
+      el.append(loadMoreButton);
+    }
+  }
+
+  function loadMoreResults(el, results) {
+    var query = results.queries.request.searchTerms;
+    var start = results.queries.nextPage.startIndex;
+    var loadMoreButton = el.find('#dac-custom-search-load-more');
+
+    loadMoreButton.text('Loading more...');
+
+    customSearch(query, start).then(function(results) {
+      loadMoreButton.remove();
+      renderResults(el, results);
+    });
+  }
+
+  $.fn.customSearch = function(query) {
+    var el = $(this);
+
+    customSearch(query).then(function(results) {
+      el.empty();
+      renderResults(el, results);
+    });
+  };
+})(jQuery);
+
 
 function loadSearchResults() {
-  document.getElementById("search_autocomplete").style.color = "#000";
-
-  // create search control
-  searchControl = new google.search.SearchControl();
-
-  // use our existing search form and use tabs when multiple searchers are used
-  drawOptions = new google.search.DrawOptions();
-  drawOptions.setDrawMode(google.search.SearchControl.DRAW_MODE_TABBED);
-  drawOptions.setInput(document.getElementById("search_autocomplete"));
-
-  // configure search result options
-  searchOptions = new google.search.SearcherOptions();
-  searchOptions.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);
-
-  // Configure s.a.c searchers
-  sacSiteSearcher = new google.search.WebSearch();
-  sacSiteSearcher.setUserDefinedLabel("All");
-  sacSiteSearcher.setSiteRestriction("http://source.android.com/");
-
-  sourceSearcher = new google.search.WebSearch();
-  sourceSearcher.setUserDefinedLabel("Source");
-  sourceSearcher.setSiteRestriction("http://source.android.com/source/");
-
-  devicesSearcher = new google.search.WebSearch();
-  devicesSearcher.setUserDefinedLabel("Devices");
-  devicesSearcher.setSiteRestriction("http://source.android.com/devices/");
-
-  accessoriesSearcher = new google.search.WebSearch();
-  accessoriesSearcher.setUserDefinedLabel("Accessories");
-  accessoriesSearcher.setSiteRestriction("http://source.android.com/accessories/");
-
-  compatibilitySearcher = new google.search.WebSearch();
-  compatibilitySearcher.setUserDefinedLabel("Compatibility");
-  compatibilitySearcher.setSiteRestriction("http://source.android.com/compatibility/");
-
-  // add each searcher to the search control
-  searchControl.addSearcher(sacSiteSearcher, searchOptions);
-  searchControl.addSearcher(sourceSearcher, searchOptions);
-  searchControl.addSearcher(devicesSearcher, searchOptions);
-  searchControl.addSearcher(accessoriesSearcher, searchOptions);
-  searchControl.addSearcher(compatibilitySearcher, searchOptions);
-
-
-  // configure result options
-  searchControl.setResultSetSize(google.search.Search.LARGE_RESULTSET);
-  searchControl.setLinkTarget(google.search.Search.LINK_TARGET_SELF);
-  searchControl.setTimeoutInterval(google.search.SearchControl.TIMEOUT_SHORT);
-  searchControl.setNoResultsString(google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
-
-  // upon ajax search, refresh the url and search title
-  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {
-    updateResultTitle(query);
-    var query = document.getElementById('search_autocomplete').value;
-    location.hash = 'q=' + query;
-  });
 
-  // draw the search results box
-  searchControl.draw(document.getElementById("leftSearchControl"), drawOptions);
+  // Draw the search results box
+  //searchControl.draw(document.getElementById("leftSearchControl"), drawOptions);
+  $(searchResults).append('<div class="leftSearchControl"></div>');
+
+
+  // Refresh the url and search title
+  var query = document.getElementById('search_autocomplete').value || getQuery(location.hash);
+  updateResultTitle(query);
+  location.hash = 'q=' + query;
 
   // get query and execute the search
-  searchControl.execute(decodeURI(getQuery(location.hash)));
+  //searchControl.execute(decodeURI(getQuery(location.hash)));
+  $(leftSearchControl).customSearch(getQuery(location.hash));
 
   document.getElementById("search_autocomplete").focus();
   addTabListeners();
@@ -1912,7 +1978,9 @@ function loadSearchResults() {
 // End of loadSearchResults
 
 google.setOnLoadCallback(function(){
-  if (location.hash.indexOf("q=") == -1) {
+
+  var query = decodeURI(getQuery(location.hash));
+  if (location.hash.indexOf("q=") == -1 || query == '') {
     // if there's no query in the url, don't search and make sure results are hidden
     $('#searchResults').hide();
     return;
@@ -1937,7 +2005,8 @@ $(window).hashchange( function(){
 
   // Otherwise, we have a search to do
   var query = decodeURI(getQuery(location.hash));
-  searchControl.execute(query);
+  //searchControl.execute(query);
+  $('#leftSearchControl').customSearch(query);
   $('#searchResults').slideDown('slow');
   $("#search_autocomplete").focus();
   $(".search .close").removeClass("hide");
@@ -1946,7 +2015,7 @@ $(window).hashchange( function(){
 });
 
 function updateResultTitle(query) {
-  $("#searchTitle").html("Results for <em>" + escapeHTML(query) + "</em>");
+  $("#searchTitle").html("Results for <em>" + encodeURIComponent(query) + "</em>");
 }
 
 // forcefully regain key-up event control (previously jacked by search api)
@@ -1983,18 +2052,6 @@ function getQuery(hash) {
   return queryParts[1];
 }
 
-/* returns the given string with all HTML brackets converted to entities
-    TODO: move this to the site's JS library */
-function escapeHTML(string) {
-  return string.replace(/</g,"&lt;")
-                .replace(/>/g,"&gt;");
-}
-
-
-
-
-
-
 
 /* ######################################################## */
 /* #################  JAVADOC REFERENCE ################### */
@@ -2077,7 +2134,9 @@ function buildApiLevelSelector() {
 
   // get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
   var selectedLevelItem = $("#apiLevelSelector option[value='"+userApiLevel+"']").get(0);
-  selectedLevelItem.setAttribute('selected',true);
+//  Another piece of functionality that we don't use that produces an error.
+//  TODO figure it all out.
+//  selectedLevelItem.setAttribute('selected',true);
 }
 
 function changeApiLevel() {
diff --git a/tools/droiddoc/templates-sac/class.cs b/tools/droiddoc/templates-sac/class.cs
index 0461af629..98633fb57 100644
--- a/tools/droiddoc/templates-sac/class.cs
+++ b/tools/droiddoc/templates-sac/class.cs
@@ -123,6 +123,7 @@
   <?cs /if ?>
   <?cs set:colspan = colspan-1 ?>
 <?cs /each ?>
+<?cs call:show_annotations_list(class, "<span class='annotation-message'>", "</span><span class='annotation-message'>", "</span>") ?>
 
 </div><!-- end header -->
 
@@ -184,9 +185,9 @@
     <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:method.since ?>" >
         <td class="jd-typecol"><nobr>
             <?cs var:method.abstract ?>
-            <?cs var:method.synchronized ?>
-            <?cs var:method.final ?>
+            <?cs var:method.default ?>
             <?cs var:method.static ?>
+            <?cs var:method.final ?>
             <?cs call:type_link(method.generic) ?>
             <?cs call:type_link(method.returnType) ?></nobr>
         </td>
@@ -210,7 +211,10 @@
           <?cs var:field.final ?>
           <?cs call:type_link(field.type) ?></nobr></td>
           <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-          <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?></td>
+          <td class="jd-descrcol" width="100%"><?cs call:short_descr(field) ?>
+              <?cs each:anno = field.showAnnotations ?>
+                  <?cs call:show_annotations_list(field, "<span class='annotation-message'>", "</span><span class='annotation-message'>", "</span>") ?>
+              <?cs /each ?></td>
       </tr>
       <?cs set:count = count + #1 ?>
     <?cs /each ?>
@@ -531,11 +535,11 @@
 <div class="jd-details api apilevel-<?cs var:method.since ?>"> 
     <h4 class="jd-details-title">
       <span class="normal">
-        <?cs var:method.scope ?> 
-        <?cs var:method.static ?> 
-        <?cs var:method.final ?> 
-        <?cs var:method.abstract ?> 
-        <?cs var:method.synchronized ?> 
+        <?cs var:method.scope ?>
+        <?cs var:method.abstract ?>
+        <?cs var:method.default ?>
+        <?cs var:method.static ?>
+        <?cs var:method.final ?>
         <?cs call:type_link(method.returnType) ?>
       </span>
       <span class="sympad"><?cs var:method.name ?></span>
diff --git a/tools/droiddoc/templates-sac/components/masthead.cs b/tools/droiddoc/templates-sac/components/masthead.cs
index a8618c076..ee2582fbd 100644
--- a/tools/droiddoc/templates-sac/components/masthead.cs
+++ b/tools/droiddoc/templates-sac/components/masthead.cs
@@ -255,7 +255,7 @@
           <a href="<?cs var:toroot ?>index.html">
             <img src="<?cs var:toroot ?>assets/images/sac_logo.png"
                 srcset="<?cs var:toroot ?>assets/images/sac_logo@2x.png 2x"
-                width="123" height="25" alt="Android Developers" />
+                width="123" height="25" alt="Android Open Source Project" />
           </a>
           </div>
             <ul class="nav-x col-9">
@@ -266,9 +266,9 @@
                 <li class="devices"><a href="<?cs var:toroot ?>devices/index.html" <?cs
                   if:devices ?>class="selected"<?cs /if ?>
                   >Devices</a></li>
-                <li class="accessories"><a href="<?cs var:toroot ?>accessories/index.html" <?cs
-                  if:accessories ?>class="selected"<?cs /if ?>
-                  >Accessories</a></li>
+                <li class="security"><a href="<?cs var:toroot ?>security/index.html" <?cs
+                  if:security ?>class="selected"<?cs /if ?>
+                  >Security</a></li>
                 <li class="compatibility last"><a href="<?cs var:toroot ?>compatibility/index.html" <?cs
                   if:compatibility ?>class="selected"<?cs /if ?>
                   >Compatibility</a></li>
diff --git a/tools/droiddoc/templates-sac/customizations.cs b/tools/droiddoc/templates-sac/customizations.cs
index 6bdfe3628..1120e7074 100644
--- a/tools/droiddoc/templates-sac/customizations.cs
+++ b/tools/droiddoc/templates-sac/customizations.cs
@@ -355,7 +355,7 @@ Content License</a>.<?cs
 def:custom_footerlinks() ?>
   <p>
     <a href="<?cs var:toroot ?>source/index.html">About Android</a>&nbsp;&nbsp;|&nbsp;
-    <a href="<?cs var:toroot ?>source/community/index.html">Community</a>&nbsp;&nbsp;|&nbsp;
+    <a href="<?cs var:toroot ?>source/community.html">Community</a>&nbsp;&nbsp;|&nbsp;
     <a href="<?cs var:toroot ?>legal.html">Legal</a>&nbsp;&nbsp;|&nbsp;
   </p><?cs 
 /def ?>
@@ -382,8 +382,8 @@ Content License</a>.<?cs
     <?cs call:compatibility_nav() ?>
   <?cs elif:source ?>
     <?cs call:source_nav() ?>
-  <?cs elif:accessories ?>
-    <?cs call:accessories_nav() ?>
+  <?cs elif:security ?>
+    <?cs call:security_nav() ?>
   <?cs elif:reference ?>
     <?cs call:default_left_nav() ?>
   <?cs /if ?>
@@ -450,14 +450,14 @@ Content License</a>.<?cs
 <?cs /def ?>
 
 <?cs
-def:accessories_nav() ?>
+def:security_nav() ?>
   <div class="wrap clearfix" id="body-content">
     <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
       <div id="devdoc-nav" class="scroll-pane">
 <a class="totop" href="#top" data-g-event="left-nav-top">to top</a>
 
 <?cs 
-        include:"../../../../docs/source.android.com/src/accessories/accessories_toc.cs" ?>
+        include:"../../../../docs/source.android.com/src/security/security_toc.cs" ?>
 
       </div>
     </div> <!-- end side-nav -->
diff --git a/tools/droiddoc/templates-sac/docpage.cs b/tools/droiddoc/templates-sac/docpage.cs
index 3e5c24f11..3d120b626 100644
--- a/tools/droiddoc/templates-sac/docpage.cs
+++ b/tools/droiddoc/templates-sac/docpage.cs
@@ -34,7 +34,7 @@
             ru-lang="Предыдущий"
             ko-lang="이전"
             ja-lang="前へ"
-            es-lang="Anterior"               
+            es-lang="Anterior"
             >Previous</a>
         <a href="#" class="next-page-link hide"
             zh-TW-lang="下一堂課"
@@ -42,7 +42,7 @@
             ru-lang="Следующий"
             ko-lang="다음"
             ja-lang="次へ"
-            es-lang="Siguiente"               
+            es-lang="Siguiente"
             >Next</a>
         <a href="#" class="start-class-link hide"
             zh-TW-lang="開始上課"
@@ -50,7 +50,7 @@
             ru-lang="Начало работы"
             ko-lang="시작하기"
             ja-lang="開始する"
-            es-lang="Empezar"               
+            es-lang="Empezar"
             >Get started</a>
       </div>
     <?cs elif:!page.trainingcourse ?>
@@ -61,7 +61,7 @@
             ru-lang="Предыдущий"
             ko-lang="이전"
             ja-lang="前へ"
-            es-lang="Anterior"               
+            es-lang="Anterior"
             >Previous</a>
         <a href="#" class="next-page-link hide"
             zh-TW-lang="下一堂課"
@@ -69,7 +69,7 @@
             ru-lang="Следующий"
             ko-lang="다음"
             ja-lang="次へ"
-            es-lang="Siguiente"               
+            es-lang="Siguiente"
             >Next</a>
       </div>
     <?cs /if ?><?cs # end if training ?>
@@ -87,7 +87,6 @@
         <?cs /if ?>
           <h1 itemprop="name" style="margin-bottom:0;"><?cs var:page.title ?></h1>
           <p itemprop="description"><?cs var:page.landing.intro ?></p>
-          
           <p><a class="next-page-link topic-start-link"></a></p>
         <?cs if:page.landing.image ?>
         </div>
@@ -112,22 +111,16 @@
   <?cs # THIS IS THE MAIN DOC CONTENT ?>
   <div id="jd-content">
 
-
     <div class="jd-descr" itemprop="articleBody">
     <?cs call:tag_list(root.descr) ?>
     </div>
-      
-      <div class="content-footer <?cs 
-                    if:fullpage ?>wrap<?cs
-                    else ?>layout-content-row<?cs /if ?>" 
+
+      <div class="content-footer-sac"
                     itemscope itemtype="http://schema.org/SiteNavigationElement">
         <div class="layout-content-col <?cs 
                     if:fullpage ?>col-16<?cs 
                     elif:training||guide ?>col-8<?cs 
                     else ?>col-9<?cs /if ?>" style="padding-top:4px">
-          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
-            <div class="g-plusone" data-size="medium"></div>
-          <?cs /if ?>
         </div>
         <?cs if:!fullscreen ?>
         <div class="paging-links layout-content-col col-4">
@@ -138,7 +131,7 @@
                 ru-lang="Предыдущий"
                 ko-lang="이전"
                 ja-lang="前へ"
-                es-lang="Anterior"               
+                es-lang="Anterior"
                 >Previous</a>
             <a href="#" class="next-page-link hide"
                 zh-TW-lang="下一堂課"
@@ -146,23 +139,20 @@
                 ru-lang="Следующий"
                 ko-lang="다음"
                 ja-lang="次へ"
-                es-lang="Siguiente"               
+                es-lang="Siguiente"
                 >Next</a>
           <?cs /if ?>
         </div>
         <?cs /if ?>
       </div>
-      
       <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
       <?cs if:training && !page.article ?>
       <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
           <a href="#" class="next-class-link hide">Next class: </a>
       </div>
       <?cs /if ?>
-
-  </div> <!-- end jd-content -->
-
-<?cs include:"footer.cs" ?>
+    </div> <!-- end jd-content -->
+  <?cs include:"footer.cs" ?>
 </div><!-- end doc-content -->
 
 <?cs include:"trailer.cs" ?>
diff --git a/tools/droiddoc/templates-sac/footer.cs b/tools/droiddoc/templates-sac/footer.cs
index 6979ca0f5..e43adb0c1 100644
--- a/tools/droiddoc/templates-sac/footer.cs
+++ b/tools/droiddoc/templates-sac/footer.cs
@@ -1,4 +1,9 @@
 <div id="footer" class="wrap" <?cs if:fullpage ?>style="width:940px"<?cs /if ?>>
+  <style>.feedback { float: right !Important }</style>
+  <div class="feedback">
+    <a href="#" class="button" onclick=" try {
+      userfeedback.api.startFeedback({'productId':'715571','authuser':'1'});return false;}catch(e){}">Site Feedback</a>
+  </div>
   <div id="copyright">
     <?cs call:custom_cc_copyright() ?>
   </div>
diff --git a/tools/droiddoc/templates-sac/head_tag.cs b/tools/droiddoc/templates-sac/head_tag.cs
index 9fca488c1..b672b25ce 100644
--- a/tools/droiddoc/templates-sac/head_tag.cs
+++ b/tools/droiddoc/templates-sac/head_tag.cs
@@ -7,7 +7,7 @@
 <title><?cs 
   if:page.title ?><?cs 
     var:page.title ?> | <?cs
-  /if ?>Android Developers</title>
+  /if ?>Android Open Source Project</title>
 
 <!-- STYLESHEETS -->
 <link rel="stylesheet"
@@ -46,6 +46,8 @@
 <script src="<?cs var:toroot ?>navtree_data.js" async type="text/javascript"></script>
 <?cs /if ?>
 
+<script type="text/javascript" src="//www.gstatic.com/feedback/api.js"></script>
+
 <script type="text/javascript">
   var _gaq = _gaq || [];
   _gaq.push(['_setAccount', 'UA-45455297-1']);
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/LICENSE.txt b/tools/droiddoc/templates-sdk-dyn/assets/LICENSE.txt
deleted file mode 100644
index e84328bed..000000000
--- a/tools/droiddoc/templates-sdk-dyn/assets/LICENSE.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Copyright (c) 2011 John Resig, http://jquery.com/
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/design/default.js b/tools/droiddoc/templates-sdk-dyn/assets/design/default.js
deleted file mode 100644
index 3ba848686..000000000
--- a/tools/droiddoc/templates-sdk-dyn/assets/design/default.js
+++ /dev/null
@@ -1,188 +0,0 @@
-$(document).ready(function() {
-  // prep nav expandos
-  var pagePath = document.location.pathname;
-  if (pagePath.indexOf(SITE_ROOT) == 0) {
-    pagePath = pagePath.substr(SITE_ROOT.length);
-    if (pagePath == '' || pagePath.charAt(pagePath.length - 1) == '/') {
-      pagePath += 'index.html';
-    }
-  }
-
-  if (SITE_ROOT.match(/\.\.\//) || SITE_ROOT == '') {
-    // If running locally, SITE_ROOT will be a relative path, so account for that by
-    // finding the relative URL to this page. This will allow us to find links on the page
-    // leading back to this page.
-    var pathParts = pagePath.split('/');
-    var relativePagePathParts = [];
-    var upDirs = (SITE_ROOT.match(/(\.\.\/)+/) || [''])[0].length / 3;
-    for (var i = 0; i < upDirs; i++) {
-      relativePagePathParts.push('..');
-    }
-    for (var i = 0; i < upDirs; i++) {
-      relativePagePathParts.push(pathParts[pathParts.length - (upDirs - i) - 1]);
-    }
-    relativePagePathParts.push(pathParts[pathParts.length - 1]);
-    pagePath = relativePagePathParts.join('/');
-  } else {
-    // Otherwise the page path should be an absolute URL.
-    pagePath = SITE_ROOT + pagePath;
-  }
-
-  // select current page in sidenav and set up prev/next links if they exist
-  var $selNavLink = $('.nav-y').find('a[href="' + pagePath + '"]');
-  if ($selNavLink.length) {
-    $selListItem = $selNavLink.closest('li');
-
-    $selListItem.addClass('selected');
-    $selListItem.closest('li>ul').addClass('expanded');
-
-    // set up prev links
-    var $prevLink = [];
-    var $prevListItem = $selListItem.prev('li');
-    if ($prevListItem.length) {
-      if ($prevListItem.hasClass('nav-section')) {
-        // jump to last topic of previous section
-        $prevLink = $prevListItem.find('a:last');
-      } else {
-        // jump to previous topic in this section
-        $prevLink = $prevListItem.find('a:eq(0)');
-      }
-    } else {
-      // jump to this section's index page (if it exists)
-      $prevLink = $selListItem.parents('li').find('a');
-    }
-
-    if ($prevLink.length) {
-      var prevHref = $prevLink.attr('href');
-      if (prevHref == SITE_ROOT + 'index.html') {
-        // Don't show Previous when it leads to the homepage
-        $('.prev-page-link').hide();
-      } else {
-        $('.prev-page-link').attr('href', prevHref).show();
-      }
-    } else {
-      $('.prev-page-link').hide();
-    }
-
-    // set up next links
-    var $nextLink = [];
-    if ($selListItem.hasClass('nav-section')) {
-      // we're on an index page, jump to the first topic
-      $nextLink = $selListItem.find('ul').find('a:eq(0)')
-    } else {
-      // jump to the next topic in this section (if it exists)
-      $nextLink = $selListItem.next('li').find('a:eq(0)');
-      if (!$nextLink.length) {
-        // no more topics in this section, jump to the first topic in the next section
-        $nextLink = $selListItem.parents('li').next('li.nav-section').find('a:eq(0)');
-      }
-    }
-    if ($nextLink.length) {
-      $('.next-page-link').attr('href', $nextLink.attr('href')).show();
-    } else {
-      $('.next-page-link').hide();
-    }
-  }
-
-  // Set up expand/collapse behavior
-  $('.nav-y li').has('ul').click(function() {
-    if ($(this).hasClass('expanded')) {
-      return;
-    }
-
-    // hide other
-    var $old = $('.nav-y li.expanded');
-    if ($old.length) {
-      var $oldUl = $old.children('ul');
-      $oldUl.css('height', $oldUl.height() + 'px');
-      window.setTimeout(function() {
-        $oldUl
-            .addClass('animate-height')
-            .css('height', '');
-      }, 0);
-      $old.removeClass('expanded');
-    }
-
-    // show me
-    $(this).addClass('expanded');
-    var $ul = $(this).children('ul');
-    var expandedHeight = $ul.height();
-    $ul
-        .removeClass('animate-height')
-        .css('height', 0);
-    window.setTimeout(function() {
-      $ul
-          .addClass('animate-height')
-          .css('height', expandedHeight + 'px');
-    }, 0);
-  });
-
-  // Stop expand/collapse behavior when clicking on nav section links (since we're navigating away
-  // from the page)
-  $('.nav-y li').has('ul').find('a:eq(0)').click(function(evt) {
-    window.location.href = $(this).attr('href');
-    return false;
-  });
-
-  // Set up play-on-hover <video> tags.
-  $('video.play-on-hover').bind('click', function(){
-    $(this).get(0).load(); // in case the video isn't seekable
-    $(this).get(0).play();
-  });
-
-  // Set up tooltips
-  var TOOLTIP_MARGIN = 10;
-  $('acronym').each(function() {
-    var $target = $(this);
-    var $tooltip = $('<div>')
-        .addClass('tooltip-box')
-        .text($target.attr('title'))
-        .hide()
-        .appendTo('body');
-    $target.removeAttr('title');
-
-    $target.hover(function() {
-      // in
-      var targetRect = $target.offset();
-      targetRect.width = $target.width();
-      targetRect.height = $target.height();
-
-      $tooltip.css({
-        left: targetRect.left,
-        top: targetRect.top + targetRect.height + TOOLTIP_MARGIN
-      });
-      $tooltip.addClass('below');
-      $tooltip.show();
-    }, function() {
-      // out
-      $tooltip.hide();
-    });
-  });
-
-  // Set up <h2> deeplinks
-  $('h2').click(function() {
-    var id = $(this).attr('id');
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diff --git a/tools/droiddoc/templates-sdk-dyn/components/masthead.cs b/tools/droiddoc/templates-sdk-dyn/components/masthead.cs
deleted file mode 100644
index d0ff64d05..000000000
--- a/tools/droiddoc/templates-sdk-dyn/components/masthead.cs
+++ /dev/null
@@ -1,270 +0,0 @@
-<?cs def:custom_masthead() ?>
-<?cs if:wear ?>
-  <?cs call:wear_masthead() ?>
-<?cs else ?>
-<a name="top"></a>
-<?cs if:!devsite ?><?cs # leave out the global header for devsite; it is in devsite template ?>
-  <!-- Header -->
-  <div id="header-wrapper">
-    <div id="header">
-      <div class="wrap" id="header-wrap">
-        <div class="col-3 logo">
-          <a href="<?cs var:toroot ?>index.html">
-            <img src="<?cs var:toroot ?>assets/images/dac_logo.png"
-                srcset="<?cs var:toroot ?>assets/images/dac_logo@2x.png 2x"
-                width="123" height="25" alt="Android Developers" />
-          </a>
-          <div class="btn-quicknav" id="btn-quicknav">
-            <a href="#" class="arrow-inactive">Quicknav</a>
-            <a href="#" class="arrow-active">Quicknav</a>
-          </div>
-        </div>
-        <ul class="nav-x col-9">
-            <li class="design">
-              <a href="<?cs var:toroot ?>design/index.html"
-              zh-tw-lang="設計"
-              zh-cn-lang="设计"
-              ru-lang="Проектирование"
-              ko-lang="디자인"
-              ja-lang="設計"
-              es-lang="Diseñar"
-              >Design</a></li>
-            <li class="develop"><a href="<?cs var:toroot ?>develop/index.html"
-              zh-tw-lang="開發"
-              zh-cn-lang="开发"
-              ru-lang="Разработка"
-              ko-lang="개발"
-              ja-lang="開発"
-              es-lang="Desarrollar"
-              >Develop</a></li>
-            <li class="distribute last"><a href="<?cs var:toroot ?>distribute/<?cs
-              if:android.whichdoc == "offline" ?>googleplay/<?cs /if ?>index.html"
-              zh-tw-lang="發佈"
-              zh-cn-lang="分发"
-              ru-lang="Распространение"
-              ko-lang="배포"
-              ja-lang="配布"
-              es-lang="Distribuir"
-              >Distribute</a></li>
-        </ul>
-
-
-        <?cs # ADD SEARCH AND MENU ?>
-        <?cs call:header_search_widget() ?>
-
-
-        <!-- Expanded quicknav -->
-        <div id="quicknav" class="col-9">
-          <ul>
-            <li class="design">
-              <ul>
-                <li><a href="<?cs var:toroot ?>design/index.html">Get Started</a></li>
-                <li><a href="<?cs var:toroot ?>design/style/index.html">Style</a></li>
-                <li><a href="<?cs var:toroot ?>design/patterns/index.html">Patterns</a></li>
-                <li><a href="<?cs var:toroot ?>design/building-blocks/index.html">Building Blocks</a></li>
-                <li><a href="<?cs var:toroot ?>design/downloads/index.html">Downloads</a></li>
-                <li><a href="<?cs var:toroot ?>design/videos/index.html">Videos</a></li>
-              </ul>
-            </li>
-            <li class="develop">
-              <ul>
-                <li><a href="<?cs var:toroot ?>training/index.html"
-                  zh-tw-lang="訓練課程"
-                  zh-cn-lang="培训"
-                  ru-lang="Курсы"
-                  ko-lang="교육"
-                  ja-lang="トレーニング"
-                  es-lang="Capacitación"
-                  >Training</a></li>
-                <li><a href="<?cs var:toroot ?>guide/index.html"
-                  zh-tw-lang="API 指南"
-                  zh-cn-lang="API 指南"
-                  ru-lang="Руководства по API"
-                  ko-lang="API 가이드"
-                  ja-lang="API ガイド"
-                  es-lang="Guías de la API"
-                  >API Guides</a></li>
-                <li><a href="<?cs var:toroot ?>reference/packages.html"
-                  zh-tw-lang="參考資源"
-                  zh-cn-lang="参考"
-                  ru-lang="Справочник"
-                  ko-lang="참조문서"
-                  ja-lang="リファレンス"
-                  es-lang="Referencia"
-                  >Reference</a></li>
-                <li><a href="<?cs var:toroot ?>tools/index.html"
-                  zh-tw-lang="相關工具"
-                  zh-cn-lang="工具"
-                  ru-lang="Инструменты"
-                  ko-lang="도구"
-                  ja-lang="ツール"
-                  es-lang="Herramientas"
-                  >Tools</a>
-                  <ul><li><a href="<?cs var:toroot ?>sdk/index.html">Get the SDK</a></li></ul>
-                </li>
-                <li><a href="<?cs var:toroot ?>google/index.html">Google Services</a>
-                </li>
-                <?cs if:android.hasSamples ?>
-                  <li><a href="<?cs var:toroot ?>samples/index.html">Samples</a>
-                  </li>
-                <?cs /if ?>
-              </ul>
-            </li>
-            <li class="distribute last">
-              <ul>
-                <li><a href="<?cs var:toroot ?>distribute/googleplay/index.html">Google Play</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/essentials/index.html">Essentials</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/users/index.html">Get Users</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/engage/index.html">Engage &amp; Retain</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/monetize/index.html">Monetize</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/tools/index.html">Tools &amp; Reference</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/stories/index.html">Developer Stories</a></li>
-              </ul>
-            </li>
-          </ul>
-        </div><!-- /Expanded quicknav -->
-      </div><!-- end header-wrap.wrap -->
-    </div><!-- end header -->
-
-  <?cs if:training || guide || reference || tools || develop || google || samples ?>
-    <!-- Secondary x-nav -->
-    <div id="nav-x">
-        <div class="wrap">
-            <ul class="nav-x col-9 develop" style="width:100%">
-                <li class="training"><a href="<?cs var:toroot ?>training/index.html"
-                  zh-tw-lang="訓練課程"
-                  zh-cn-lang="培训"
-                  ru-lang="Курсы"
-                  ko-lang="교육"
-                  ja-lang="トレーニング"
-                  es-lang="Capacitación"
-                  >Training</a></li>
-                <li class="guide"><a href="<?cs var:toroot ?>guide/index.html"
-                  zh-tw-lang="API 指南"
-                  zh-cn-lang="API 指南"
-                  ru-lang="Руководства по API"
-                  ko-lang="API 가이드"
-                  ja-lang="API ガイド"
-                  es-lang="Guías de la API"
-                  >API Guides</a></li>
-                <li class="reference"><a href="<?cs var:toroot ?>reference/packages.html"
-                  zh-tw-lang="參考資源"
-                  zh-cn-lang="参考"
-                  ru-lang="Справочник"
-                  ko-lang="참조문서"
-                  ja-lang="リファレンス"
-                  es-lang="Referencia"
-                  >Reference</a></li>
-                <li class="tools"><a href="<?cs var:toroot ?>tools/index.html"
-                  zh-tw-lang="相關工具"
-                  zh-cn-lang="工具"
-                  ru-lang="Инструменты"
-                  ko-lang="도구"
-                  ja-lang="ツール"
-                  es-lang="Herramientas"
-                  >Tools</a></li>
-                <li class="google"><a href="<?cs var:toroot ?>google/index.html"
-                  >Google Services</a>
-                </li>
-                <?cs if:android.hasSamples ?>
-                  <li class="samples"><a href="<?cs var:toroot ?>samples/index.html"
-                    >Samples</a>
-                  </li>
-                <?cs /if ?>
-            </ul>
-        </div>
-    </div>
-    <!-- /Sendondary x-nav -->
-
-  <?cs elif:distribute || googleplay || essentials || users || engage || monetize || disttools || stories ?>
-    <!-- Secondary distribute x-nav -->
-    <div id="nav-x">
-        <div class="wrap">
-            <ul class="nav-x distribute">
-                <li class="googleplay"><a href="<?cs var:toroot ?>distribute/googleplay/index.html"
-                  >Google Play</a></li>
-                <li class="essentials"><a href="<?cs var:toroot ?>distribute/essentials/index.html"
-                  >Essentials</a></li>
-                <li class="users"><a href="<?cs var:toroot ?>distribute/users/index.html"
-                  >Get Users</a></li>
-                <li class="engage"><a href="<?cs var:toroot ?>distribute/engage/index.html"
-                  >Engage &amp; Retain</a></li>
-                <li class="monetize"><a href="<?cs var:toroot ?>distribute/monetize/index.html"
-                  >Monetize</a>
-                </li>
-                <li class="disttools"><a href="<?cs var:toroot ?>distribute/tools/index.html"
-                  >Tools</a>
-                </li>
-                <li class="stories"><a href="<?cs var:toroot ?>distribute/stories/index.html"
-                  >Stories</a>
-                </li>
-            </ul>
-            <a href="https://play.google.com/apps/publish/" class="developer-console-btn">Developer Console</a>
-        </div> <!-- /Secondary distribute x-nav -->
-    </div>
-  <?cs /if ?>
-
-    <div id="searchResults" class="wrap" style="display:none;">
-      <h2 id="searchTitle">Results</h2>
-      <div id="leftSearchControl" class="search-control">Loading...</div>
-    </div>
-  </div> <!--end header-wrapper -->
-
-  <div id="sticky-header">
-    <div>
-      <a class="logo" href="#top"></a>
-      <a class="top" href="#top"></a>
-      <ul class="breadcrumb">
-        <?cs # More <li> elements added here with javascript ?>
-        <?cs if:!section.landing ?><li class="current"><?cs var:page.title ?></li><?cs
-        /if ?>
-      </ul>
-    </div>
-  </div>
-
-<?cs /if ?><?cs # end if/else !devsite ?>
-<?cs /if ?><?cs # end if/else wear ?><?cs
-/def ?>
-
-<?cs def:wear_masthead() ?>
-<a name="top"></a>
-
-<!-- Header -->
-<div id="header-wrapper">
-  <div id="header">
-    <div class="wrap" id="header-wrap">
-      <div class="col_3 logo wear-logo">
-        <a href="<?cs var:toroot ?>wear/index.html">
-          <img src="<?cs var:toroot ?>wear/images/android-wear.png" height="16" alt="Android Wear" />
-        </a>
-      </div>
-      <div class="col-8" style="margin:0"><h1 style="margin:1px 0 0 20px;padding:0;line-height:16px;
-color:#666;font-weight:100;font-size:24px;">Developer Preview</h1></div>
-
-      <?cs # ADD SEARCH AND MENU ?>
-      <?cs call:header_search_widget() ?>
-
-    </div><!-- end header-wrap -->
-  </div><!-- /Header -->
-
-
-  <div id="searchResults" class="wrap" style="display:none;">
-          <h2 id="searchTitle">Results</h2>
-          <div id="leftSearchControl" class="search-control">Loading...</div>
-  </div>
-</div> <!--end header-wrapper -->
-
-<div id="sticky-header">
-  <div>
-    <a class="logo" href="#top"></a>
-    <a class="top" href="#top"></a>
-    <ul class="breadcrumb">
-      <?cs # More <li> elements added here with javascript ?>
-      <?cs if:!section.landing ?><li class="current"><?cs var:page.title ?></li><?cs
-      /if ?>
-    </ul>
-  </div>
-</div>
-
-  <?cs
-/def ?>
diff --git a/tools/droiddoc/templates-sdk-dyn/data.hdf b/tools/droiddoc/templates-sdk-dyn/data.hdf
deleted file mode 100644
index 9411b7871..000000000
--- a/tools/droiddoc/templates-sdk-dyn/data.hdf
+++ /dev/null
@@ -1,4 +0,0 @@
-template {
-    which = normal
-}
-
diff --git a/tools/droiddoc/templates-sdk-dyn/footer.cs b/tools/droiddoc/templates-sdk-dyn/footer.cs
deleted file mode 100644
index b609d3b8c..000000000
--- a/tools/droiddoc/templates-sdk-dyn/footer.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-<div id="footer" class="wrap" <?cs if:fullpage ?>style="width:940px"<?cs /if ?>>
-        
-<?cs if:reference ?>
-  <div id="copyright">
-    <?cs call:custom_copyright() ?>
-  </div>
-  <div id="build_info">
-    <?cs call:custom_buildinfo() ?>
-  </div>
-<?cs elif:!hide_license_footer ?>
-  <div id="copyright">
-    <?cs call:custom_cc_copyright() ?>
-  </div>
-<?cs /if ?>
-<?cs if:!no_footer_links ?>
-  <div id="footerlinks">
-    <?cs call:custom_footerlinks() ?>
-  </div>
-<?cs /if ?>
-</div> <!-- end footer -->
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk-dyn/gcm_navtree_data.cs b/tools/droiddoc/templates-sdk-dyn/gcm_navtree_data.cs
deleted file mode 100644
index 6f33d8850..000000000
--- a/tools/droiddoc/templates-sdk-dyn/gcm_navtree_data.cs
+++ /dev/null
@@ -1,3 +0,0 @@
-var GCM_NAVTREE_DATA =
-<?cs var:reference_tree ?>
-;
diff --git a/tools/droiddoc/templates-sdk-dyn/gms_navtree_data.cs b/tools/droiddoc/templates-sdk-dyn/gms_navtree_data.cs
deleted file mode 100644
index 66b7d553f..000000000
--- a/tools/droiddoc/templates-sdk-dyn/gms_navtree_data.cs
+++ /dev/null
@@ -1,3 +0,0 @@
-var GMS_NAVTREE_DATA =
-<?cs var:reference_tree ?>
-;
diff --git a/tools/droiddoc/templates-sdk-dyn/header.cs b/tools/droiddoc/templates-sdk-dyn/header.cs
deleted file mode 100644
index e8301bed9..000000000
--- a/tools/droiddoc/templates-sdk-dyn/header.cs
+++ /dev/null
@@ -1,3 +0,0 @@
-<?cs call:custom_masthead() ?>
-<?cs call:custom_left_nav() ?>
-
diff --git a/tools/droiddoc/templates-sdk-dyn/header_tabs.cs b/tools/droiddoc/templates-sdk-dyn/header_tabs.cs
deleted file mode 100644
index 38c9da80f..000000000
--- a/tools/droiddoc/templates-sdk-dyn/header_tabs.cs
+++ /dev/null
@@ -1,2 +0,0 @@
-
-<!-- CURRENTLY NOT USED... ALL TABS ARE IN masthead.cs -->
diff --git a/tools/droiddoc/templates-sdk-dyn/jd_lists_unified.cs b/tools/droiddoc/templates-sdk-dyn/jd_lists_unified.cs
deleted file mode 100644
index 417a5c1b2..000000000
--- a/tools/droiddoc/templates-sdk-dyn/jd_lists_unified.cs
+++ /dev/null
@@ -1 +0,0 @@
-<?cs var:reference_tree ?>
diff --git a/tools/droiddoc/templates-sdk-dyn/navtree_data.cs b/tools/droiddoc/templates-sdk-dyn/navtree_data.cs
deleted file mode 100644
index 73aa19963..000000000
--- a/tools/droiddoc/templates-sdk-dyn/navtree_data.cs
+++ /dev/null
@@ -1,3 +0,0 @@
-var NAVTREE_DATA =
-<?cs var:reference_tree ?>
-;
diff --git a/tools/droiddoc/templates-sdk-dyn/package.cs b/tools/droiddoc/templates-sdk-dyn/package.cs
deleted file mode 100644
index 99eaff228..000000000
--- a/tools/droiddoc/templates-sdk-dyn/package.cs
+++ /dev/null
@@ -1,61 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html<?cs if:devsite ?> devsite<?cs /if ?>>
-<?cs include:"head_tag.cs" ?>
-
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>">
-  <div id="doc-api-level" class="<?cs var:package.since ?>" style="display:none"></div>
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
-<div class="col-12" id="doc-col">
-
-<div id="api-info-block">
-<div class="api-level">
-  <?cs call:since_tags(package) ?>
-  <?cs call:federated_refs(package) ?>
-</div>
-</div>
-
-<div id="jd-header">
-  package
-  <h1><?cs var:package.name ?></h1>
-</div><!-- end header -->
-
-<div id="naMessage"></div>
-
-<div id="jd-content" class="api apilevel-<?cs var:package.since ?>">
-
-<?cs if:subcount(package.descr) ?>
-  <div class="jd-descr">
-    <?cs call:tag_list(package.descr) ?>
-  </div>
-<?cs /if ?>
-
-<?cs def:class_table(label, classes) ?>
-  <?cs if:subcount(classes) ?>
-    <h2><?cs var:label ?></h2>
-    <div class="jd-sumtable">
-    <?cs call:class_link_table(classes) ?>
-    </div>
-  <?cs /if ?>
-<?cs /def ?>
-
-<?cs call:class_table("Interfaces", package.interfaces) ?>
-<?cs call:class_table("Classes", package.classes) ?>
-<?cs call:class_table("Enums", package.enums) ?>
-<?cs call:class_table("Exceptions", package.exceptions) ?>
-<?cs call:class_table("Errors", package.errors) ?>
-
-<?cs include:"footer.cs" ?>
-</div><!-- end jd-content -->
-</div><!-- doc-content -->
-
-<?cs include:"trailer.cs" ?>
-
-</body>
-</html>
diff --git a/tools/droiddoc/templates-sdk-dyn/sdkpage.cs b/tools/droiddoc/templates-sdk-dyn/sdkpage.cs
deleted file mode 100644
index 95f6596f3..000000000
--- a/tools/droiddoc/templates-sdk-dyn/sdkpage.cs
+++ /dev/null
@@ -1,591 +0,0 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html<?cs if:devsite ?> devsite<?cs /if ?>>
-<?cs if:sdk.redirect ?>
-  <head>
-    <title>Redirecting...</title>
-    <meta http-equiv="refresh" content="0;url=<?cs var:toroot ?>sdk/<?cs
-      if:sdk.redirect.path ?><?cs var:sdk.redirect.path ?><?cs
-      else ?>index.html<?cs /if ?>">
-  </head>
-<?cs else ?>
-  <?cs include:"head_tag.cs" ?>
-<?cs /if ?>
-<body class="gc-documentation
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>" itemscope itemtype="http://schema.org/CreativeWork">
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
-
-<div <?cs if:fullpage
-?><?cs else
-?>class="col-13" id="doc-col"<?cs /if ?> >
-
-<?cs if:sdk.redirect ?>
-
-<div class="g-unit">
-  <div id="jd-content">
-    <p>Redirecting to
-    <a href="<?cs var:toroot ?>sdk/<?cs
-      if:sdk.redirect.path ?><?cs var:sdk.redirect.path ?><?cs
-      else ?>index.html<?cs /if ?>"><?cs
-      if:sdk.redirect.path ?><?cs var:sdk.redirect.path ?><?cs
-      else ?>Download the SDK<?cs /if ?>
-    </a> ...</p>
-
-<?cs else ?>
-<?cs # else, if NOT redirect ...
-#
-#
-# The following is for SDK/NDK pages
-#
-#
-?>
-
-<?cs if:header.hide ?><?cs else ?>
-<h1 itemprop="name"><?cs var:page.title ?></h1>
-<?cs /if ?>
-  <div id="jd-content" itemprop="description">
-
-<?cs if:sdk.not_latest_version ?>
-  <div class="special">
-    <p><strong>This is NOT the current Android SDK release.</strong></p>
-    <p><a href="/sdk/index.html">Download the current Android SDK</a></p>
-  </div>
-<?cs /if ?>
-
-
-<?cs if:ndk ?>
-<?cs #
-#
-#
-#
-#
-#
-#
-# the following is for the NDK
-#
-# (nested in if/else redirect)
-#
-#
-#
-#
-?>
-
-  <table class="download" id="download-table">
-    <tr>
-      <th>Platform</th>
-      <th>Package</th>
-      <th style="white-space:nowrap">Size (Bytes)</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td>Windows 32-bit</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win32_download ?>"><?cs var:ndk.win32_download ?></a>
-    </td>
-    <td><?cs var:ndk.win32_bytes ?></td>
-    <td><?cs var:ndk.win32_checksum ?></td>
-  </tr>
- <!-- <tr>
-   <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win32.legacy_download ?>"><?cs var:ndk.win32.legacy_download ?></a>
-    </td>
-    <td><?cs var:ndk.win32.legacy_bytes ?></td>
-    <td><?cs var:ndk.win32.legacy_checksum ?></td>
-  </tr> -->
-  <tr>
-    <td>Windows 64-bit</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win64_download ?>"><?cs var:ndk.win64_download ?></a>
-    </td>
-    <td><?cs var:ndk.win64_bytes ?></td>
-    <td><?cs var:ndk.win64_checksum ?></td>
-  </tr>
- <!--  <tr>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.win64.legacy_download ?>"><?cs var:ndk.win64.legacy_download ?></a>
-    </td>
-    <td><?cs var:ndk.win64.legacy_bytes ?></td>
-    <td><?cs var:ndk.win64.legacy_checksum ?></td>
-  </tr> -->
-  <tr>
-    <td>Mac OS X 32-bit</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac32_download ?>"><?cs var:ndk.mac32_download ?></a>
-    </td>
-    <td><?cs var:ndk.mac32_bytes ?></td>
-    <td><?cs var:ndk.mac32_checksum ?></td>
-  </tr>
- <!--  <tr>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac32.legacy_download ?>"><?cs var:ndk.mac32.legacy_download ?></a>
-    </td>
-    <td><?cs var:ndk.mac32.legacy_bytes ?></td>
-    <td><?cs var:ndk.mac32.legacy_checksum ?></td>
-  </tr> -->
-    <td>Mac OS X 64-bit</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac64_download ?>"><?cs var:ndk.mac64_download ?></a>
-    </td>
-    <td><?cs var:ndk.mac64_bytes ?></td>
-    <td><?cs var:ndk.mac64_checksum ?></td>
-  </tr>
- <!--  <tr>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.mac64.legacy_download ?>"><?cs var:ndk.mac64.legacy_download ?></a>
-    </td>
-    <td><?cs var:ndk.mac64.legacy_bytes ?></td>
-    <td><?cs var:ndk.mac64.legacy_checksum ?></td>
-  </tr> -->
-  <tr>
-    <td>Linux 32-bit (x86)</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux32_download ?>"><?cs var:ndk.linux32_download ?></a>
-    </td>
-    <td><?cs var:ndk.linux32_bytes ?></td>
-    <td><?cs var:ndk.linux32_checksum ?></td>
-  </tr>
- <!--  <tr>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux32.legacy_download ?>"><?cs var:ndk.linux32.legacy_download ?></a>
-    </td>
-    <td><?cs var:ndk.linux32.legacy_bytes ?></td>
-    <td><?cs var:ndk.linux32.legacy_checksum ?></td>
-  </tr> -->
-  <tr>
-    <td>Linux 64-bit (x86)</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux64_download ?>"><?cs var:ndk.linux64_download ?></a>
-    </td>
-    <td><?cs var:ndk.linux64_bytes ?></td>
-    <td><?cs var:ndk.linux64_checksum ?></td>
-  </tr>
-  <!--  <tr>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.linux64.legacy_download ?>"><?cs var:ndk.linux64.legacy_download ?></a>
-    </td>
-    <td><?cs var:ndk.linux64.legacy_bytes ?></td>
-    <td><?cs var:ndk.linux64.legacy_checksum ?></td>
-  </tr> -->
-    <tr>
-      <th>Additional Download</th>
-      <th>Package</th>
-      <th style="white-space:nowrap">Size (Bytes)</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td>STL debug info</td>
-    <td>
-  <a onClick="return onDownload(this)"
-     href="http://dl.google.com/android/ndk/<?cs var:ndk.debug_info_download ?>"><?cs var:ndk.debug_info_download ?></a>
-    </td>
-    <td><?cs var:ndk.debug_info_bytes ?></td>
-    <td><?cs var:ndk.debug_info_checksum ?></td>
-  </tr>
-  </table>
-
-  <?cs ########  HERE IS THE JD DOC CONTENT ######### ?>
-  <?cs call:tag_list(root.descr) ?>
-
-
-
-<script>
-  function onDownload(link) {
-
-    $("#downloadForRealz").html("Download " + $(link).text());
-    $("#downloadForRealz").attr('href',$(link).attr('href'));
-
-    $("#tos").fadeIn('slow');
-
-    location.hash = "download";
-    return false;
-  }
-
-
-  function onAgreeChecked() {
-    if ($("input#agree").is(":checked")) {
-      $("a#downloadForRealz").removeClass('disabled');
-    } else {
-      $("a#downloadForRealz").addClass('disabled');
-    }
-  }
-
-  function onDownloadNdkForRealz(link) {
-    if ($("input#agree").is(':checked')) {
-      $("#tos").fadeOut('slow');
-
-      $('html, body').animate({
-          scrollTop: $("#Installing").offset().top
-        }, 800, function() {
-          $("#Installing").click();
-      });
-
-      return true;
-    } else {
-      $("label#agreeLabel").parent().stop().animate({color: "#258AAF"}, 200,
-        function() {$("label#agreeLabel").parent().stop().animate({color: "#222"}, 200)}
-      );
-      return false;
-    }
-  }
-
-  $(window).hashchange( function(){
-    if (location.hash == "") {
-      location.reload();
-    }
-  });
-
-</script>
-
-  <?cs else ?>
-<?cs # end if NDK ...
-#
-#
-#
-#
-#
-#
-# the following is for the SDK
-#
-# (nested in if/else redirect and if/else NDK)
-#
-#
-#
-#
-?>
-  <?cs if:android.whichdoc == "online" ?>
-
-
-<?cs ########  HERE IS THE JD DOC CONTENT FOR ONLINE ######### ?>
-<?cs call:tag_list(root.descr) ?>
-
-
-
-
-<h4><a href='' class="expandable"
-  onclick="toggleExpandable(this,'.pax');hideExpandable('.myide,.reqs');return false;"
-  >DOWNLOAD FOR OTHER PLATFORMS</a></h4>
-
-
-<div class="pax col-13 online" style="display:none;margin:0;">
-
-
-<p class="table-caption"><strong>ADT Bundle</strong></p>
-  <table class="download">
-    <tr>
-      <th>Platform</th>
-      <th>Package</th>
-      <th>Size</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td>Windows 32-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="win-bundle32"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.version ?>/<?cs var:sdk.win32_bundle_download ?>"><?cs var:sdk.win32_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.win32_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.win32_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Windows 64-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="win-bundle64"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.version ?>/<?cs var:sdk.win64_bundle_download ?>"><?cs var:sdk.win64_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.win64_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.win64_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td><nobr>Mac OS X 64-bit</nobr></td>
-    <td>
-  <a onClick="return onDownload(this)" id="mac-bundle64"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.version ?>/<?cs var:sdk.mac64_bundle_download ?>"><?cs var:sdk.mac64_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.mac64_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.mac64_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux 32-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="linux-bundle32"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.version ?>/<?cs var:sdk.linux32_bundle_download ?>"><?cs var:sdk.linux32_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.linux32_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.linux32_bundle_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux 64-bit</td>
-    <td>
-  <a onClick="return onDownload(this)" id="linux-bundle64"
-     href="http://dl.google.com/android/adt/<?cs var:sdk.version ?>/<?cs var:sdk.linux64_bundle_download ?>"><?cs var:sdk.linux64_bundle_download ?></a>
-    </td>
-    <td><?cs var:sdk.linux64_bundle_bytes ?> bytes</td>
-    <td><?cs var:sdk.linux64_bundle_checksum ?></td>
-  </tr>
-  </table>
-
-
-<p class="table-caption"><strong>SDK Tools Only</strong></p>
-  <table class="download">
-    <tr>
-      <th>Platform</th>
-      <th>Package</th>
-      <th>Size</th>
-      <th>MD5 Checksum</th>
-  </tr>
-  <tr>
-    <td rowspan="2">Windows<br>32 &amp; 64-bit</td>
-    <td>
-  <a onclick="return onDownload(this)" href="http://dl.google.com/android/<?cs var:sdk.win_download
-?>"><?cs var:sdk.win_download ?></a>
-    </td>
-    <td><?cs var:sdk.win_bytes ?> bytes</td>
-    <td><?cs var:sdk.win_checksum ?></td>
-  </tr>
-  <tr>
-    <!-- blank TD from Windows rowspan -->
-    <td>
-  <a onclick="return onDownload(this)" id="win-tools" href="http://dl.google.com/android/<?cs
-var:sdk.win_installer
-?>"><?cs var:sdk.win_installer ?></a> (Recommended)
-    </td>
-    <td><?cs var:sdk.win_installer_bytes ?> bytes</td>
-    <td><?cs var:sdk.win_installer_checksum ?></td>
-  </tr>
-  <tr>
-    <td><nobr>Mac OS X</nobr><br>32 &amp; 64-bit</td>
-    <td>
-  <a onclick="return onDownload(this)" id="mac-tools" href="http://dl.google.com/android/<?cs
-var:sdk.mac_download
-?>"><?cs var:sdk.mac_download ?></a>
-    </td>
-    <td><?cs var:sdk.mac_bytes ?> bytes</td>
-    <td><?cs var:sdk.mac_checksum ?></td>
-  </tr>
-  <tr>
-    <td>Linux<br>32 &amp; 64-bit</td>
-    <td>
-  <a onclick="return onDownload(this)" id="linux-tools" href="http://dl.google.com/android/<?cs
-var:sdk.linux_download
-?>"><?cs var:sdk.linux_download ?></a>
-    </td>
-    <td><?cs var:sdk.linux_bytes ?> bytes</td>
-    <td><?cs var:sdk.linux_checksum ?></td>
-  </tr>
-  </table>
-
-</div><!-- end pax -->
-
-
-
-</div><!-- end col-13 for lower-half content -->
-
-
-
-
-<script>
-  if (location.hash == "#Requirements") {
-    $('.reqs').show();
-  } else if (location.hash == "#ExistingIDE") {
-	 $('.ide').show();
-  }
-
-  var os;
-  var bundlename;
-  var $toolslink;
-
-  if (navigator.appVersion.indexOf("Win")!=-1) {
-    os = "Windows";
-    bundlename = '#win-bundle';
-    $toolslink = $('#win-tools');
-  } else if (navigator.appVersion.indexOf("Mac")!=-1) {
-    os = "Mac";
-    bundlename = '#mac-bundle';
-    $toolslink = $('#mac-tools');
-  } else if (navigator.appVersion.indexOf("Linux")!=-1) {
-    os = "Linux";
-    bundlename = '#linux-bundle';
-    $toolslink = $('#linux-tools');
-  }
-
-  if (os) {
-    $('#not-supported').hide();
-
-    /* set up primary adt download button */
-    $('#download-bundle-button').show();
-    $('#download-bundle-button').append("Download the SDK <br/><span class='small'>ADT Bundle for " + os + "</span>");
-    $('#download-bundle-button').click(function() {return onDownload(this,true,true);}).attr('href', bundlename);
-
-    /* set up sdk tools only button */
-    $('#download-tools-button').show();
-    $('#download-tools-button').append("Download the SDK Tools for " + os);
-    $('#download-tools-button').click(function() {return onDownload(this,true);}).attr('href', $toolslink.attr('href'));
-  } else {
-    $('.pax').show();
-  }
-
-
-  function onDownload(link, button, bundle) {
-
-    /* set text for download button */
-    if (button) {
-      $("#downloadForRealz").html($(link).text());
-    } else {
-      $("#downloadForRealz").html("Download " + $(link).text());
-    }
-
-    /* if it's a bundle, show the 32/64-bit picker */
-    if (bundle) {
-      $("#downloadForRealz").attr('bundle','true');
-      if ($("#downloadForRealz").text().indexOf("Mac") == -1) {
-        $("p#bitpicker").show();
-      } else {
-        /* mac is always 64 bit, so set it checked */
-        $("p#bitpicker input[value=64]").attr('checked', true);
-      }
-      /* save link name until the bit version is chosen */
-      $("#downloadForRealz").attr('name',$(link).attr('href'));
-    } else {
-      /* if not using bundle, set download button to ignore bitpicker and set url */
-      $("#downloadForRealz").attr('bundle','false');
-      $("#downloadForRealz").attr('href',$(link).attr('href'));
-      /* set picker checked as a fake default */
-      $("p#bitpicker input[value=64]").attr('checked', true);
-      $("a#next-link").html("Setting Up an Existing IDE").attr('href',toRoot + 'sdk/installing/index.html');
-    }
-
-    $("#tos").fadeIn('fast');
-    $("#landing").fadeOut('fast');
-
-    location.hash = "download";
-    return false;
-  }
-
-
-  function onAgreeChecked() {
-    /* verify that the TOS is agreed and a bit version is chosen */
-    if ($("input#agree").is(":checked") && $("#bitpicker input:checked").length) {
-
-      /* if downloading the bundle */
-      if ($("#downloadForRealz").attr('bundle')) {
-        /* construct the name of the link we want based on the bit version */
-        linkId = $("a#downloadForRealz").attr("name") + $("#bitpicker input:checked").val();
-        /* set the real url for download */
-        $("a#downloadForRealz").attr("href", $(linkId).attr("href"));
-      }
-
-      /* reveal the download button */
-      $("a#downloadForRealz").removeClass('disabled');
-    } else {
-      $("a#downloadForRealz").addClass('disabled');
-    }
-  }
-
-  function onDownloadForRealz(link) {
-    if ($("input#agree").is(':checked') && $("#bitpicker input:checked").length) {
-      $("div.sdk-terms").slideUp();
-      $("#sdk-terms-form,.sdk-terms-intro").fadeOut('slow');
-      $("#next-steps").fadeIn('slow');
-      $("h1#tos-header").text('Get Ready to Code!');
-      _gaq.push(['_trackEvent', 'SDK', 'ADT and Tools', $("#downloadForRealz").html()]);
-      return true;
-    } else {
-      $("label#agreeLabel,#bitpicker input").parent().stop().animate({color: "#258AAF"}, 200,
-        function() {$("label#agreeLabel,#bitpicker input").parent().stop().animate({color: "#222"}, 200)}
-      );
-      return false;
-    }
-  }
-
-  $(window).hashchange( function(){
-    if (location.hash == "") {
-      location.reload();
-    }
-  });
-
-</script>
-
-
-
-</div><!-- end the wrapper used for relative/absolute positions  -->
-<?cs # THIS DIV WAS OPENED IN INDEX.JD ?>
-
-
-
-
-  <?cs else ?> <?cs # end if online ?>
-
-    <?cs if:sdk.preview ?><?cs # it's preview offline docs ?>
-      <p>Welcome developers! We are pleased to provide you with a preview SDK for the upcoming
-    Android 3.0 release, to give you a head-start on developing applications for it.
-    </p>
-
-      <p>See the <a
-    href="<?cs var:toroot ?>sdk/preview/start.html">Getting Started</a> document for more information
-    about how to set up the preview SDK and get started.</p>
-    <style type="text/css">
-    .non-preview { display:none; }
-    </style>
-
-    <?cs else ?><?cs # it's normal offline docs ?>
-
-      <?cs ########  HERE IS THE JD DOC CONTENT FOR OFFLINE ######### ?>
-      <?cs call:tag_list(root.descr) ?>
-      <style type="text/css">
-        body .offline { display:block; }
-        body .online { display:none; }
-      </style>
-      <script>
-        $('.reqs').show();
-      </script>
-    <?cs /if ?>
-
-  <?cs /if ?> <?cs # end if/else online ?>
-
-<?cs /if ?> <?cs # end if/else NDK ?>
-
-<?cs /if ?> <?cs # end if/else redirect ?>
-
-
-</div><!-- end jd-content -->
-
-<?cs if:!sdk.redirect ?>
-<?cs include:"footer.cs" ?>
-<?cs /if ?>
-
-</div><!-- end g-unit -->
-
-<?cs include:"trailer.cs" ?>
-
-<!-- Start of Tag -->
-<script type="text/javascript">
-var axel = Math.random() + "";
-var a = axel * 10000000000000;
-document.write('<iframe src="https://2507573.fls.doubleclick.net/activityi;src=2507573;type=other026;cat=googl348;ord=' + a + '?" width="1" height="1" frameborder="0" style="display:none"></iframe>');
-</script>
-<noscript>
-<iframe src="https://2507573.fls.doubleclick.net/activityi;src=2507573;type=other026;cat=googl348;ord=1?" width="1" height="1" frameborder="0" style="display:none"></iframe>
-</noscript>
-<!-- End of Tag -->
-</body>
-</html>
-
-
-
diff --git a/tools/droiddoc/templates-sdk-dyn/timestamp.cs b/tools/droiddoc/templates-sdk-dyn/timestamp.cs
deleted file mode 100644
index 4bf502a0b..000000000
--- a/tools/droiddoc/templates-sdk-dyn/timestamp.cs
+++ /dev/null
@@ -1 +0,0 @@
-var BUILD_TIMESTAMP = "<?cs var:page.now ?>";
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index f411d9347..9e5df48e3 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -17,18 +17,33 @@ html, body {
   height: 100%;
   margin: 0;
   padding: 0;
-  background-color:#F9F9F9;
+  background-color: #fff;
   -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
   /* prevent subpixel antialiasing, which thickens the text */
   /* text-rendering: optimizeLegibility; */
   /* turned off ligatures due to bug 5945455 */ }
 
 body {
-  color: #222;
-  font: 14px/19px Roboto, sans-serif;
+  color: #515151;
+  color: rgba(0, 0, 0, .68);
+  font: 14px/24px Roboto, sans-serif;
   font-weight: 400;
   letter-spacing:.1;
-  padding:0 10px; }
+  padding: 0 20px;
+}
+
+@media (max-width: 719px) {
+  html {
+    /* Disable accidental horizontal overflow. */
+    overflow-x: hidden;
+  }
+
+  body {
+    padding-left: 10px;
+    padding-right: 10px;
+  }
+}
 
 #page-container {
   width: 940px;
@@ -71,26 +86,17 @@ body {
   #page-footer #copyright {
     margin-bottom: 10px; }
 
+.hide-text {
+  position: absolute;
+  text-indent: -9999px;
+}
+
 #nav-container {
   width: 160px;
   min-height: 10px;
   margin-right: 20px;
   float: left; }
 
-#nav {
-  margin:0;
-  padding:0 0 30px;
-}
-
-#side-nav {
-  min-height:5px; /* silly way to avoid doc floating left when nav goes fixed */
-  margin-bottom:1px;
-}
-#devdoc-nav {
-  outline:none;
-  width:auto;
-  margin: 20px 0 0; }
-
 #devdoc-nav h2 {
   border:0;
 }
@@ -98,43 +104,314 @@ body {
 #devdoc-nav.fixed {
   position: fixed;
   margin:0;
-  top: 65px; /* sticky-header height + 20px gutter */
+  top: 84px; /* sticky-header height + 20px gutter */
 }
 
-#devdoc-nav span.small {
-  font-size:12px;
-  font-weight:normal;
+.dac-devdoc-toggle {
+  cursor: pointer;
+  padding: 8px 0;
+}
+
+.scroll-pane {
+  /* Match height of fixed parent. */
+  height: 100%;
 }
 
 #content {
   width: 760px;
   float: left; }
 
-a:hover,
-acronym:hover {
-  color: #7aa1b0 !important; }
 
-a:focus,
-a:active {
-  color: #33b5e5 !important; }
+/***** PREVIOUSLY style.css ******************/
+/* This should be close to the top, so it is easier to override. */
+[dir='rtl'] {
+  direction: rtl;
+}
+html {
+  line-height: 20px;
+}
+pre, table, input, textarea, code {
+  font-size: 1em;
+}
+address, abbr, cite {
+  font-style: normal;
+}
+[dir='rtl'] th {
+  text-align: right;
+}
+html[lang^=ja] blockquote, html[lang^=ja] q, html[lang^=ko] blockquote, html[lang^=ko] q,
+html[lang^=zh] blockquote, html[lang^=zh] q {
+  font-style: normal;
+}
+q {
+  font-style: italic;
+}
+fieldset, iframe, img {
+  border: 0;
+}
+img {
+  border: none;
+  -ms-interpolation-mode: bicubic;
+  max-width: 100%;
+  vertical-align: middle;
+}
+
+video {
+  cursor: pointer;
+  margin-bottom: 10px; /* same as img */
+  max-width: 100%;
+  object-fit: cover;
+}
+
+.video-wrapper {
+  line-height: 0;
+  margin-bottom: 10px; /* same as img */
+  position: relative;
+}
+
+.video-wrapper video {
+  margin:0;
+}
+
+.video-wrapper:before {
+  background: rgba(0, 0, 0, 0.5) url(//material-design.storage.googleapis.com/images/play.svg) no-repeat center center;
+  background-size: 72px 72px;
+  bottom: 0;
+  content: "";
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  transition: opacity .2s;
+}
+
+.video-wrapper:hover:before {
+  opacity: .7;
+}
+
+.video-wrapper.playing:before {
+  opacity: 0;
+}
+
+q {
+  quotes: none;
+}
+sup, sub {
+  font-size: 11px;
+  line-height: 0;
+}
+
+table, fieldset {
+  margin: 0;
+}
+/* Biggest type */
+.display-1 {
+  font-size: 56px;
+  line-height: 68px;
+}
+@media (max-width: 719px) {
+  .display-1 {
+    font-size: 44px;
+    line-height: 56px;
+  }
+}
+h1, h2, h3 {
+  color: #212121;
+  color: rgba(0, 0, 0, .87);
+}
+h1 {
+  font-size: 44px;
+  line-height: 56px;
+  font-weight: 300;
+  margin: 0;
+  padding: 24px 0 12px;
+}
+h1.short {
+  padding-right:320px;
+}
+@media (max-width: 719px) {
+  h1 {
+    font-size: 36px;
+    line-height: 48px;
+  }
+}
+h2 {
+  clear: left;
+  font-size: 28px;
+  font-weight: 400;
+  line-height: 32px;
+  margin: 0;
+  padding: 12px 0 16px;
+}
+h3 {
+  font-size: 24px;
+  line-height: 32px;
+  font-weight: 400;
+  margin: 0;
+  padding: 8px 0 12px;
+}
+h4 {
+  font-size: 18px;
+  line-height: 24px;
+  margin: 0;
+  padding: 4px 0 8px;
+  font-weight: 500;
+}
+h5, h6 {
+  font-size: 16px;
+  line-height: 24px;
+  margin: 0;
+  padding: 4px 0 8px;
+}
+th>h3 {
+  font-size:inherit;
+  line-height:inherit;
+  font-weight:inherit;
+  margin:0;
+  padding:0;
+  color:inherit;
+}
+hr { /* applied to the bottom of h2 elements */
+  height: 1px;
+  margin: 7px 0 12px;
+  border: 0;
+  background: rgba(0, 0, 0, 0.1);
+}
+h2[id], h3[id], h4[id], h5[id], h6[id] {
+  margin-top: -64px;
+  border-top: 64px solid transparent;
+  -webkit-background-clip: padding-box;
+  -moz-background-clip: padding;
+  background-clip: padding-box;
+}
+p, pre, table, form {
+  margin: 0 0 12px;
+}
+small {
+  font-size: 11.5px;
+  color: #000;
+}
+ul, ol {
+  margin: 0 0 15px 20px;
+  padding: 0;
+}
+[dir='rtl'] ul, [dir='rtl'] ol {
+  margin: 10px 30px 10px 10px;
+}
+ul ul, ul ol, ol ul, ol ol {
+  margin-bottom: 0;
+  margin-top: 0;
+}
+li {
+  margin: 0 0 12px;
+}
+dt {
+  margin: 24px 0 12px;
+}
+dd {
+  margin:0 0 10px 40px;
+}
+dd p,
+dd pre,
+dd ul,
+dd ol,
+dd dl {
+  margin-top:10px;
+}
+li p,
+li pre,
+li ul,
+li ol,
+li dl,
+#body-content li img {
+  margin-top: 6px;
+  margin-bottom: 6px;
+}
+dl dd dl:first-child {
+  margin-top: 0;
+}
+pre strong, pre b, a strong, a b, a code {
+  color: inherit;
+}
+pre, code {
+  color: #060;
+  font: 13px/18px Consolas, "Liberation Mono", Menlo, Monaco, Courier, monospace;
+  -webkit-font-smoothing: subpixel-antialiased;
+  -moz-osx-font-smoothing: auto;
+}
+legend {
+  display: none;
+}
+a, .link-color {
+  color: #039BE5;
+  text-decoration: none;
+}
+a:focus, a:hover {
+  color: rgba(3, 155, 229, .7);
+  text-decoration: none;
+}
+a.white {
+  color: #fff;
+  text-decoration:underline;
+}
+a.white:hover, a.white:active {
+  color: #ccc;
+}
+strong, b {
+  font-weight: bold;
+}
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+  border:0;
+  margin: .5em 1em 1em 0;
+  width:100%; /* consistent table widths; within IE's quirks */
+  background-color:#f7f7f7;
+}
+th, td {
+  padding: 4px 12px;
+  vertical-align: top;
+  text-align: left;
+}
+td {
+  background-color:inherit;
+  border:solid 1px #DDD;
+}
+td *:last-child {
+  margin-bottom:0;
+}
+th {
+  background-color: #999;
+  color: #fff;
+  border:solid 1px #DDD;
+  font-weight: normal;
+}
+tr.alt th {
+  color:inherit;
+  background-color: #e0e0e0;
+}
+tr:first-of-type th:first-of-type:empty {
+  visibility: hidden;
+}
 
 a.external-link {
   background:url('../images/styles/open_new_page.png') no-repeat 100% 50%;
   padding-right:16px;
 }
 
-img {
-  border: none; }
-#jd-content img {
-  margin-bottom:15px;
+#body-content img {
+  margin-bottom:12px;
 }
 
-ul {
-  margin: 0;
-  padding: 0; }
+#body-content p>img {
+  margin-bottom:0;
+}
 
-strong {
-  font-weight: 500; }
+#body-content img.inline-icon {
+  vertical-align:sub;
+  margin:0;
+  height:16px;
+}
 
 em {
   font-style: italic; }
@@ -155,6 +432,7 @@ video.with-shadow {
 
 /* disclosures mixin */
 /* content layout */
+/* This grid is deprecated in favor of .cols and .col-X */
 .layout-content-row {
   display: inline-block;
   margin-bottom: 10px; }
@@ -168,7 +446,7 @@ video.with-shadow {
     margin-left: 0; }
   .layout-content-col h3,
   .layout-content-col h4 {
-    margin-top:0; }
+    padding-top:0; }
 
 .layout-content-col.span-1 {
   width: 40px; }
@@ -257,161 +535,6 @@ video.with-shadow {
 .vspace.size-16 {
   height: 160px; }
 
-/* nav */
-#nav {
-  /* section header divs */
-  /* expanded section header divs */
-  /* sublinks */ }
-  #nav li {
-    list-style-type: none;
-    font-size: 14px;
-    margin:0;
-    padding:0;
-    line-height: 15px; }
-  #nav a {
-    color: #555555;
-    text-decoration: none;
-    word-wrap:break-word; }
-  #nav .nav-section-header {
-    position: relative;
-    margin-bottom: 1px;
-    padding: 0 30px 0 0; }
-  #nav li.selected a, #nav li.selected > .nav-section-header > a {
-    color: #09C;
-  }
-  #nav li.selected ul li a {
-  /* don't highlight child items */
-    color: #555555; }
-  #nav .nav-section .nav-section .nav-section-header {
-    /* no white line between second level sections */
-    margin-bottom: 0; }
-    /* section header links */
-    #nav > li > div > a {
-      display: block;
-      color: #333333;
-      font-weight: 500;
-      padding: 10px 0 10px 10px; }
-    #nav .nav-section-header:after {
-      content: '';
-      background: transparent url(../images/styles/disclosure_down.png) no-repeat scroll 50% 50%;
-      width: 34px;
-      height: 34px;
-      display: block;
-      position: absolute;
-      top: 0;
-      right: 0; }
-    #nav .nav-section-header.empty {
-      padding:0; }
-    #nav .nav-section-header.empty:after {
-      display: none; }
-    /* nested nav headers */
-    #nav .nav-section .nav-section {
-      position: relative;
-      padding: 0;
-      margin: 0; }
-    #nav .nav-section li a {
-    /* first gen child (2nd level li) */
-      display:block;
-      font-weight: normal;
-      text-transform: none;
-      padding: 7px 5px 7px 10px;
-       }
-    #nav .nav-section li li a {
-    /* second gen child (3rd level li) */
-      padding: 5px 5px 5px 10px;
-       }
-  #nav li.expanded .nav-section-header {
-    background:#e9e9e9;
-    background: rgba(0, 0, 0, 0.05); }
-  #nav li.expanded li .nav-section-header {
-    background: transparent; }
-  #nav li.expanded li ul {
-  /* 3rd level ul */
-    padding:0 0 0 10px;
-  }
-    #nav li.expanded > .nav-section-header:after {
-      content: '';
-      background: transparent url(../images/styles/disclosure_up.png) no-repeat scroll 50% 50%;
-      width: 34px;
-      height: 34px; }
-  #nav li.expanded li ul.tree-list-children {
-    padding: 0;
-  }
-  #nav li.expanded li ul.tree-list-children .tree-list-children {
-    padding:0 0 0 10px;
-  }
-  #nav li span.tree-list-subtitle {
-    display:inline-block;
-    padding:5px 0 0 10px;
-    color:#555;
-    text-transform:uppercase;
-    font-size:12px;
-  }
-  #nav li span.tree-list-subtitle:before {
-    content: '—';
-  }
-  #nav li span.tree-list-subtitle:after {
-    content: '—';
-  }
-  #nav li span.tree-list-subtitle.package {
-    padding-top:15px;
-    cursor:default;
-  }
-  #nav li span.tree-list-subtitle.package:before {
-    content: '';
-  }
-  #nav li span.tree-list-subtitle.package:after {
-    content: '';
-  }
-  #nav li ul.tree-list-children.classes {
-    padding-left:10px;
-  }
-  #nav li ul {
-    display:none;
-    overflow: hidden;
-    margin: 0; }
-    #nav li ul.animate-height-in {
-      -webkit-transition: height 0.25s ease-in;
-      -moz-transition: height 0.25s ease-in;
-      transition: height 0.25s ease-in; }
-    #nav li ul.animate-height-out {
-      -webkit-transition: height 0.25s ease-out;
-      -moz-transition: height 0.25s ease-out;
-      transition: height 0.25s ease-out; }
-    #nav li ul li {
-      padding: 0; }
-      #nav li li li {
-        padding: 0; }
-  #nav li.expanded ul {
-    }
-    #nav li ul > li {
-      padding:0;
-    }
-    #nav li ul > li:last-child {
-      padding-bottom:5px;
-    }
-    #nav li ul.tree-list-children > li:last-child {
-      padding-bottom:0;
-    }
-    #nav li.expanded ul > li {
-      background:#efefef;
-      background: rgba(0, 0, 0, 0.03); }
-    #nav li.expanded ul > li li {
-      background:inherit; }
-  #nav li ul.tree-list-children ul {
-    display:block; }
-
-#nav.samples-nav li li li {
-  font-size:13px;
-}
-#nav.samples-nav li li li a {
-  padding-top:3px;
-  padding-bottom:3px;
-}
-#nav.samples-nav li li ul > li:last-child {
-  padding-bottom:3px;
-}
-
 .new,
 .new-child {
   font-size: .78em;
@@ -423,25 +546,19 @@ video.with-shadow {
 
 /* content header */
 .content-header {
-  height: 30px;
-  margin:36px 0 23px;  /* same as h1 */
-  padding:0 0 10px;}  /* same as h1 */
+  position: relative;
+}
+.content-header:before,
+.content-header:after {
+  content: '';
+  display: table;
+  /* Clear heading margins, to make absolutely positioned nav a bit more predictable. */
+}
 .content-header.just-links {
   margin-bottom:0;
   padding-bottom:0;}
 
-.content-header h1 {
-  margin:0;
-  padding:0;
-  width: 700px;
-}
-.content-header > div:first-child {
-  height:1px; /* set fixed height for the header div to ensure the
-                  next/prev links align with toc on training classes */
-}
-
 .content-footer {
-  border-top: 1px solid #ccc;
   margin-top: 10px;
   padding-top:10px;
   width:100%; }
@@ -453,7 +570,7 @@ video.with-shadow {
   margin-right:0;
 }
 .content-footer.wrap {
-  width:940px;
+  max-width:940px;
 }
 .content-footer .plus-container {
   margin:5px 0 0;
@@ -467,19 +584,17 @@ a.back-link {
 }
 
 .content-header .paging-links {
-  margin-top:-25px;
+  position: absolute;
+  right: 0;
+  top: 8px;
+  width: 220px;
 }
 .paging-links {
   position: relative;
-  height:30px; }
-  .paging-links a {
-    position: absolute; }
+  min-height:30px; }
   .paging-links a,
   .training-nav-top a {
-    color: #555555;
-    text-decoration: none;
-    text-transform: uppercase; }
-    .paging-links .prev-page-link:before,
+    text-decoration: none; }
     .training-nav-top .prev-page-link:before,
     a.back-link:before {
       content: '';
@@ -488,18 +603,9 @@ a.back-link {
       height: 10px;
       display: inline-block;
       margin-right: 5px; }
-    .training-nav-top .next-page-link,
-    .training-nav-top .start-class-link,
-    .training-nav-top .start-course-link {
-    right: 10px; }
-    .paging-links .prev-page-link {
-      left: -15px; }
-    .paging-links .next-page-link {
-      right: 0; }
-    .next-page-link:after,
-    .start-class-link:after,
-    .start-course-link:after,
-    .next-class-link:after,
+    .training-nav-top .next-page-link:after,
+    .training-nav-top .start-class-link:after,
+    .training-nav-top .start-course-link:after,
     .go-link:after {
       content: '';
       background: transparent url(../images/styles/disclosure_right.png) no-repeat scroll 50% 50%;
@@ -512,25 +618,30 @@ a.back-link {
     .next-page-link.inline:after {
       content: none; }
 
-  .content-footer .paging-links .next-page-link {
+  .content-footer {
     left:0;
   }
 
   .training-nav-top a {
+    border-bottom:0;
+    box-sizing: border-box;
+    color: inherit;
     display:block;
     float:left;
-    width:122px;
-    height:28px;
-    padding: 8px;
-    line-height:28px;
+    padding:10px 0;
+    line-height:30px;
     text-align:center;
-    border:1px solid #DADADA;
-    border-bottom:0;
+    width: 50%;
+  }
+
+  .training-nav-top a.prev-page-link {
+    padding-left: 15px;
+    text-align: left;
   }
 
   .training-nav-top a.next-page-link {
-    border-left:0;
-    width:123px;
+    padding-right: 15px;
+    text-align: right;
   }
 
   .paging-links a.disabled,
@@ -548,40 +659,54 @@ a.back-link {
 
   .training-nav-top a.start-class-link,
   .training-nav-top a.start-course-link {
-    width:262px;
-  }
-
-  .paging-links a.start-class-link {
     width:100%;
   }
 
   /* list of classes on course landing page */
   ol.class-list {
-    list-style:none;
-    margin-left:0;
+    counter-reset: class;
+    list-style: none;
+    margin: 60px 0 0;
   }
   ol.class-list>li {
-    margin:0 0 15px;
-    padding:5px 0 0;
-    overflow:hidden;
-    border-top:1px solid #ccc;
+    box-shadow: 0px 2px 5px 0 rgba(0, 0, 0, 0.26);
+    margin: 0 0 20px;
+    overflow: hidden;
   }
-  ol.class-list li a.title {
-    font-size:16px;
-    margin:0;
-    clear:left;
-    display:block;
-    height:32px;
-    padding:0 4px;
+  ol.class-list .title {
+    background: #00bcd4;
+    color: #fff;
+    display: block;
+    font-size: 20px;
+    font-weight: 500;
+    height: 32px;
+    padding: 52px 16px 12px;
+    position: relative;
+  }
+  ol.class-list .title:before {
+    border-bottom: 1px solid white;
+    box-sizing: border-box;
+    /* Disable the numbers for now, since vert few classes need to be taken in order. */
+    /* content: counter(class); */
+    counter-increment: class;
+    height: 40px;
+    left: 0;
+    padding: 10px 1px 0 5px;
+    position: absolute;
+    top: 0;
+    text-align: right;
+    min-width: 30px;
   }
-  ol.class-list li a.title h2 {
-    color:inherit;
-    margin:0 0 10px;
+  ol.class-list .title h2 {
+    color: currentColor;
+    font-size: inherit;
+    font-weight: inherit;
+    padding:0 0 10px;
     display:block;
     float:left;
     width:675px;
   }
-  ol.class-list li a.title span {
+  ol.class-list .title span {
     display:none;
     float:left;
     font-size:18px;
@@ -590,40 +715,71 @@ a.back-link {
     width: 10px;
     height: 32px;
   }
-  ol.class-list li a.title:hover {
-    background:#ddd;
-    color:#258AAF !important;
-  }
-  ol.class-list li a.title:hover span {
-    display:block;
-  }
 
-  #jd-content
-  ol.class-list li img {
-    float:left;
-    clear:left;
-    width:64px;
-    margin:0 20px 0 0;
-  }
-  ol.class-list li p.description {
+  ol.class-list .description {
+    box-sizing: border-box;
     float:left;
     display:block;
-    width:250px;
     margin:0;
+    padding: 16px 10px 16px 16px;
+    width: 50%;
   }
-  ol.class-list li p.description.article {
+  ol.class-list .description.article {
     width: 550px;
   }
   ol.class-list ol {
-    float:left;
-    width:320px;
-    margin:0 0 0 30px;
-    list-style:none;
-    margin:0 0 0 20px;
+    box-sizing: border-box;
+    float: left;
+    list-style: none;
+    margin: 0;
+    padding: 16px 16px 16px 10px;
+    width: 50%;
+  }
+  ol.class-list .lessons li {
+    margin: 0 0 6px;
+    line-height: 16px;
+  }
+
+  /* Class colors */
+  ol.class-list li:nth-child(10n+1) .title {
+    background: #00bcd4;
+  }
+  ol.class-list li:nth-child(10n+2) .title {
+    background: #4db6ac;
+  }
+  ol.class-list li:nth-child(10n+3) .title {
+    background: #66bb6a;
+  }
+  ol.class-list li:nth-child(10n+4) .title {
+    background: #7cb342;
+  }
+  ol.class-list li:nth-child(10n+5) .title {
+    background: #afb42b;
+  }
+  ol.class-list li:nth-child(10n+6) .title {
+    background: #ffb300;
   }
-  ol.class-list div.lessons li {
-    margin:0 0 6px;
-    line-height:16px;
+  ol.class-list li:nth-child(10n+7) .title {
+    background: #ff7043;
+  }
+  ol.class-list li:nth-child(10n+8) .title {
+    background: #ec407a;
+  }
+  ol.class-list li:nth-child(10n+9) .title {
+    background: #ab47bc;
+  }
+  ol.class-list li:nth-child(10n+10) .title {
+    background: #7e57c2;
+  }
+
+  @media (max-width: 719px) {
+    ol.class-list ol,
+    ol.class-list .description {
+      float: none;
+      margin: 16px;
+      padding: 0;
+      width: auto;
+    }
   }
 
 
@@ -641,7 +797,7 @@ div#title-tabs-wrapper {
 }
 h1.with-title-tabs {
   display:inline-block;
-  margin:0 0 -1px 0;
+  margin-bottom: -1px;
   padding:0 60px 0 0;
   border-bottom:1px solid #F9F9F9;
 }
@@ -669,7 +825,7 @@ ul#title-tabs li a {
 }
 ul#title-tabs li a:hover,
 ul#title-tabs li a:active {
-  color:#93C !important;
+  color:#039BE5 !important;
 }
 
 
@@ -722,7 +878,7 @@ h3:target {
     animation-timing-function: ease-out; }
 
 .design ol h4 {
-  margin-bottom:0;
+  padding-bottom:0;
 }
 .design ol {
   counter-reset: item; }
@@ -798,46 +954,6 @@ li.no-bullet *{
   .design li.with-icon.use:before {
     background-image: url(../images/styles/ico_use.png); }
 
-/* figures and callouts */
-.figure {
-  position: relative; }
-  .figure.pad-below {
-    margin-bottom: 20px; }
-  .figure .figure-callout {
-    position: absolute;
-    color: #fff;
-    font-weight: 500;
-    font-size: 16px;
-    line-height: 23px;
-    text-align: center;
-    background: transparent url(../images/styles/callout.png) no-repeat scroll 50% 50%;
-    padding-right: 2px;
-    width: 30px;
-    height: 29px;
-    z-index: 1000; }
-    .figure .figure-callout.top {
-      top: -9px; }
-    .figure .figure-callout.right {
-      right: -5px; }
-
-.figure-caption {
-  margin: 0 10px 20px 0;
-  font-size: 14px;
-  line-height: 20px;
-  font-style: italic; }
-
-/* rows of figures */
-.figure-row {
-  font-size: 0;
-  line-height: 0;
-  /* to prevent space between figures */ }
-  .figure-row .figure {
-    display: inline-block;
-    vertical-align: top; }
-  .figure-row .figure + .figure {
-    margin-left: 10px;
-    /* reintroduce space between figures */ }
-
 /* video  containers */
 .framed-galaxynexus-land-span-13 {
   background: transparent url(../images/styles/device_galaxynexus_blank_land_span13.png) no-repeat
@@ -945,6 +1061,35 @@ scroll top left;
   overflow:hidden;
 }
 
+#api-info-block {
+  color: #999;
+  float: right;
+  font-size: 12px;
+  font-weight: normal;
+  line-height: 14px;
+  margin: 20px 0 0;
+  max-width: 80%;
+  padding: 0 10px 6px;
+  text-align: right;
+}
+
+#api-info-block a,
+#api-info-block a:active,
+#api-info-block a:visited {
+  color: #222;
+}
+
+#jd-header {
+  font-size: 12px;
+  margin: 20px 0 12px;
+  padding: 0 0 12px;
+}
+
+#jd-header h1 {
+  margin: 0;
+  padding: 0 0 6px;
+}
+
 #jd-content
 .framed-wear-square img {
   height:222px;
@@ -1071,318 +1216,97 @@ scroll top left;
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/***** PREVIOUSLY style.css ******************/
-
-
-
-
-
-@media screen, projection, print {
-[dir='rtl'] {
-    direction: rtl;
-}
-html {
-    line-height: 20px;
+/* --------------------------------------------------------------------------
+Footer
+*/
+.line {
+    clear: both;
+    background: #acbc00;
+    background: -moz-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
+    background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #acbc00),
+color-stop(50%, #acbc00), color-stop(50%, #bdde00), color-stop(100%, #bdde00));
+    background: -webkit-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
+    background: -o-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
+    background: -ms-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
+    background: linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
+    height: 2px;
+    margin-top: 150px;
+    position: relative;
+    z-index: 11;
 }
-pre, table, input, textarea, code {
-    font-size: 1em;
+#footer {
+    font-size:11px;
+    clear: both;
+    color: #999;
+    padding: 15px 0;
+    margin-top:10px;
+    width:auto;
 }
-address, abbr, cite {
-    font-style: normal;
+#footer-local ul {
+  list-style: none;
+  margin: 5px 0 30px 0;
 }
-[dir='rtl'] th {
-    text-align: right;
+#footer-local li {
+    display: inline;
 }
-html[lang^=ja] blockquote, html[lang^=ja] q, html[lang^=ko] blockquote, html[lang^=ko] q,
-html[lang^=zh] blockquote, html[lang^=zh] q {
-    font-style: normal;
+#footer-local li+li:before {
+    content: '|';
+    padding: 0 3px;
+  color: #e5e5e5;
 }
-q {
-    font-style: italic;
+#footer-global {
+    padding: 10px 15px;
+  background: #f5f5f5;
 }
-fieldset, iframe, img {
-    border: 0;
+#footer-global {
+    border-top: 1px solid #ebebeb;
+    font-size: 11.5px;
+    line-height: 1.8;
+    list-style: none;
 }
-img {
-  -ms-interpolation-mode: bicubic;
-  vertical-align: middle;
-  max-width: 100%;
+#footer-global ul {
+    margin: 0;
 }
-q {
-    quotes: none;
+#footer-global li {
+    display: inline;
+    font-weight: bold;
 }
-sup, sub {
-    font-size: 11px;
-    line-height: 0;
+#footer-global li+li:before {
+    content: '¬?';
+    padding: 0 3px;
 }
+* html #footer-global li {
+    margin: 0 13px 0 0;
 }
-
-@media screen, projection {
-
-table, fieldset {
-    margin: 0;
+* [dir='rtl'] #footer-global li {
+    margin: 0 0 0 13px;
 }
-h1 {
-    color:#333;
-    font-size: 34px;
-    margin: 36px 0 27px;
-    padding:0 0 10px;
-    font-weight:300;
+*+html #footer-global li {
+    margin: 0 13px 0 0;
 }
-h1, h2 {
-    line-height: 30px;
+*+[dir='rtl'] #footer-global li {
+    margin: 0 0 0 13px;
 }
-h1.short {
-  margin-right:320px;
+#footer-global li a {
+    font-weight: normal;
 }
-h1.short {
-  margin-right:320px;
+.locales {
+  margin: 10px 0 0 0px;
 }
-h1.super {
-    font-size: 37px;
+[dir='rtl'] .locales {
+    background-position: right center;
+    float: left;
+    padding: 0 24px 0 0;
 }
-h2 {
-    color:#333;
-    font-size: 26px;
-    margin: 32px 0 20px;
-    padding:0;
-    font-weight:300;
+.locales form {
+    margin: 0;
 }
-h3 {
-    color:#333;
-    font-size: 21px;
-    font-weight:400;
-    margin:21px 0 14px 0;
-}
-h3, h4 {
-    line-height: 21px;
-}
-h4 {
-  font-size: 18px;
-  margin: 12px 0;
-  font-weight:500;
-}
-h5 {
-  font-size: 14px;
-}
-h5, h6 {
-  margin: 5px 0;
-}
-h6 {
-  font-size: 12px;
-}
-hr { /* applied to the bottom of h2 elements */
-  height: 1px;
-  margin: 3px 0 12px;
-  border: 0;
-  background: #ccc;
-}
-p, pre, table, form {
-    margin: 0 0 15px;
-}
-small {
-  font-size: 11.5px;
-  color: #000;
-}
-ul, ol {
-    margin: 0 0 15px 18px;
-    padding: 0;
-}
-[dir='rtl'] ul, [dir='rtl'] ol {
-    margin: 10px 30px 10px 10px;
-}
-ul ul, ul ol, ol ul, ol ol {
-    margin-bottom: 0;
-    margin-top: 0;
-}
-li {
-  margin:0 0 5px;
-}
-dd {
-  margin:0 0 10px 30px;
-}
-dd p,
-dd pre,
-dd ul,
-dd ol,
-dd dl {
-  margin-top:10px;
-}
-li p,
-li pre,
-li ul,
-li ol,
-li dl {
-  margin-top:5px;
-  margin-bottom:5px;
-}
-dl dd dl:first-child {
-  margin-top:0;
-}
-pre strong, pre b, a strong, a b, a code {
-    color: inherit;
-}
-pre, code {
-    color: #060;
-    font: 13px/1.5 monospace;
-}
-code {
-    font-weight:bold;
-    font: 13px/14px monospace;
-}
-
-legend {
-    display: none;
-}
-a:link, a:visited, .link-color {
-  color: #258aaf;
-  text-decoration: none;
-}
-a:focus, a:hover, a:active {
-  color: #33B5E5;
-  text-decoration: none;
-}
-a.white {
-  color: #fff;
-  text-decoration:underline;
-}
-a.white:hover, a.white:active {
-  color: #ccc !important;
-}
-strong, b {
-  font-weight:bold;
-  color: #222;
-}
-table {
-  border-collapse: collapse;
-  border-spacing: 0;
-  border:0;
-  margin: .5em 1em 1em 0;
-  width:100%; /* consistent table widths; within IE's quirks */
-  background-color:#f7f7f7;
-}
-th, td {
-  padding: 4px 12px;
-  vertical-align: top;
-  text-align: left;
-}
-td {
-  background-color:inherit;
-  border:solid 1px #DDD;
-}
-td *:last-child {
-  margin-bottom:0;
-}
-th {
-  background-color: #999;
-  color: #fff;
-  border:solid 1px #DDD;
-  font-weight: normal;
-}
-tr:first-of-type th:first-of-type:empty {
-    visibility: hidden;
+
+.locales select,
+.locales option {
+  text-transform: capitalize;
 }
 
-/* --------------------------------------------------------------------------
-Footer
-*/
-.line {
-    clear: both;
-    background: #acbc00;
-    background: -moz-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
-    background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #acbc00),
-color-stop(50%, #acbc00), color-stop(50%, #bdde00), color-stop(100%, #bdde00));
-    background: -webkit-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
-    background: -o-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
-    background: -ms-linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
-    background: linear-gradient(top, #acbc00 0, #acbc00 50%, #bdde00 50%, #bdde00 100%);
-    height: 2px;
-    margin-top: 150px;
-    position: relative;
-    z-index: 11;
-}
-#footer {
-    font-size:11px;
-    clear: both;
-    color: #999;
-    padding: 15px 0;
-    margin-top:10px;
-    width:auto;
-}
-#footer-local ul {
-  list-style: none;
-  margin: 5px 0 30px 0;
-}
-#footer-local li {
-    display: inline;
-}
-#footer-local li+li:before {
-    content: '|';
-    padding: 0 3px;
-  color: #e5e5e5;
-}
-#footer-global {
-    padding: 10px 15px;
-  background: #f5f5f5;
-}
-#footer-global {
-    border-top: 1px solid #ebebeb;
-    font-size: 11.5px;
-    line-height: 1.8;
-    list-style: none;
-}
-#footer-global ul {
-    margin: 0;
-}
-#footer-global li {
-    display: inline;
-    font-weight: bold;
-}
-#footer-global li+li:before {
-    content: '¬?';
-    padding: 0 3px;
-}
-* html #footer-global li {
-    margin: 0 13px 0 0;
-}
-* [dir='rtl'] #footer-global li {
-    margin: 0 0 0 13px;
-}
-*+html #footer-global li {
-    margin: 0 13px 0 0;
-}
-*+[dir='rtl'] #footer-global li {
-    margin: 0 0 0 13px;
-}
-#footer-global li a {
-    font-weight: normal;
-}
-.locales {
-  margin: 10px 0 0 0px;
-}
-[dir='rtl'] .locales {
-    background-position: right center;
-    float: left;
-    padding: 0 24px 0 0;
-}
-.locales form {
-    margin: 0;
-}
 .locales select, .sites select {
   line-height: 3.08;
   margin: 0px 0;
@@ -1439,7 +1363,7 @@ color-stop(50%, #acbc00), color-stop(50%, #bdde00), color-stop(100%, #bdde00));
 
   /* bump up spacing above subheadings */
   h2 {
-      margin-top: 40px !important;
+      padding-top: 40px !important;
   }
 
   /* print link URLs where possible and give links default text color */
@@ -1468,481 +1392,100 @@ color-stop(50%, #acbc00), color-stop(50%, #bdde00), color-stop(100%, #bdde00));
 }
 
 /* =============================================================================
-   Columns
+   Layout
    ========================================================================== */
-
 @media screen, projection, print {
-.full {
-  padding: 2.5em 0;
-  border-top: solid 1px #ddd;
-  border-bottom: solid 1px #ddd;
-  background: #f7f7f7;
+
+.training-nav-top {
+  border:1px solid #e5e5e5;
+  border-width: 1px 1px 0;
+  bottom: -56px;
+  box-sizing: border-box;
+  position: absolute;
+  right: 0;
+  width: 280px;
 }
-.wrap {
-  margin: 0 auto;
-  width: 940px;
-  clear: both;
+
+.training-nav-bottom {
+  float:right;
+  margin:0 0 0 20px;
+  padding:0 0 20px;
 }
-.cols {
-    height: 1%;
-    margin: 0 -1.533742331288343558282%;
-    width: 103.06748466257669%}
-*+html .cols {
-    margin-bottom: 20px;
+
+#tb-wrapper,
+#qv-wrapper {
+  float:right;
+  clear:right;
+  margin:6px 0 0 30px; /* negative top-margin to counter the content-header bottom margin */
+  padding:0 0 30px;
 }
-.cols:after {
-    clear: both;
-    content: ' ';
-    display: block;
-    height: 0;
-    visibility: hidden;
+
+#tb-wrapper {
+  margin:56px 0 0 20px; /* negative top-margin to counter the content-header bottom margin */
 }
-.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
-.col-13, .col-14, .col-15, .col-16 {
-    display: inline;
-  float: left;
-  margin-left: 10px;
-  margin-right: 10px;
+
+#tb,
+#qv {
+  border: 1px solid #e5e5e5;
+  box-sizing: border-box;
+  float: right;
+  line-height: 16px;
+  padding: 5px 0;
+  width: 240px;
 }
-/*
-* html .col-1, * html .col-2, * html .col-3, * html .col-4, * html .col-5, * html .col-6, * html
-.col-7, * html .col-8, * html .col-9, * html .col-10, * html .col-11, * html .col-12  {
-    margin: 0;
-    padding: 0 1.4% 20px;
+
+#tb {
+  width:280px;
 }
-[dir='rtl'] .col-1, [dir='rtl'] .col-2, [dir='rtl'] .col-3, [dir='rtl'] .col-4, [dir='rtl'] .col-5,
-[dir='rtl'] .col-6, [dir='rtl'] .col-7, [dir='rtl'] .col-8, [dir='rtl'] .col-9, [dir='rtl'] .col-10,
-[dir='rtl'] .col-11, [dir='rtl'] .col-12 {
-    float: right;
+
+#tb h2,
+#qv h2 {
+  border-top: 1px solid #e5e5e5;
+  color: inherit;
+  font-size: 16px;
+  line-height: 24px;
+  margin: 15px 0 4px;
+  padding: 10px 15px 0;
 }
-*/
-.col-1 { width: 40px }
-.col-2 { width: 100px }
-.col-3 { width: 160px }
-.col-4 { width: 220px }
-.col-5 { width: 280px }
-.col-6 { width: 340px }
-.col-7 { width: 400px }
-.col-8 { width: 460px }
-.col-9 { width: 520px }
-.col-10 { width: 580px }
-.col-11 { width: 640px }
-.col-12 { width: 700px }
-.col-13 { width: 760px }
-.col-14 { width: 820px }
-.col-15 { width: 880px }
-.col-16 { width: 940px }
-}
-
-.col-right {
-  margin-right:0px;
+
+#tb h2:first-child,
+#qv h2:first-child {
+  border-top: 0;
+  padding-top: 0;
+  margin-top: 10px;
 }
 
-@media screen and (max-width:772px) {
-.col-5, .col-6, .col-7 {
-    clear: both;
-    width: 97.0238096%}
+#tb .download-box,
+#qv .download-box {
+  padding:0 0 0 15px;
 }
 
-/* =============================================================================
-   Layout
-   ========================================================================== */
-@media screen, projection, print {
-
-/* --------------------------------------------------------------------------
-Header, Login, Nav-X, Search
-*/
-#header {
-  margin: 0;
-  padding: 0;
-}
-#header:before, #header:after {
-  content: "";
-  display: table;
-  clear: both
-}
-.logo, .nav-x {
-    float: left;
-}
-.nav-x {
-    margin-top: -2px;
-  list-style-type: none;
-}
-.nav-x a {
-    color: #333;
-    font-size: 16px;
-}
-.about a.selected {
-    color: #9933CC;
-}
-.design a.selected {
-    color: #33b5e5;
-}
-.develop a.selected {
-    color: #F80;
-}
-.distribute a.selected {
-    color: #9C0;
-}
-
-
-
-.nav-x li {
-    display: inline;
-    margin-right: 45px;
-}
-.search {
-  float: right;
-  position: relative;
-  width: 220px
-}
-.search .bottom, .search .left, .search .right {
-  position: absolute;
-  background-color: #a3a3a3;
-}
-.search .bottom {
-  width: 220px;
-  height: 1px;
-  top: 24px;
-  left: 0
-}
-.search .left, .search .right {
-  height: 5px;
-  width: 1px
-}
-.search .left { top: 19px; left: 0 }
-.search .right { top: 19px; right: 0 }
-.search form {
-  float: left;
-  margin-top: 2px;
-  width: inherit;
-}
-.search .close,
-#player-frame .close {
-  position: absolute;
-  right: 8px;
-  bottom: 4px;
-  width: 16px;
-  height: 16px;
-  margin: 0;
-  text-indent: -1000em;
-  background: url(../images/close.png) no-repeat 0 0;
-  z-index:9999;
-}
-.search .close:hover, .search .close:focus,
-#player-frame .close:hover, #player-frame .close:focus {
-  background-position: -16px 0;
-  cursor:pointer;
-}
-#player-frame .close {
-  top: 6px;
-}
-.search form input {
-  color: #999;
-  font-size: 1em;
-  width: inherit;
-  border: none;
-  margin: 0;
-  padding:0 0 0 6px;
-  z-index: 1500;
-  background-color: transparent
-}
-.search:hover .bottom, .search:hover .left, .search:hover .right {
-  background-color: #33b5e5;
-}
-.search:hover .icon {
-  background-position: -8px 0
-}
-.search form input:focus {
-  color: #222;
-  font-weight: bold;
-  outline:0;
-}
-/* Search Dropdown */
-.search-dropdown {
-  padding: 15px;
-  width: 192px;
-  border: solid 1px #c5c5c5;
-  background: #fff;
-  position: absolute;
-  top: 35px;
-  left: 0;
-  -moz-box-shadow: 0 0 10px rgba(0,0,0,0.2);
-  -webkit-box-shadow: 0 0 10px rgba(0,0,0,0.2);
-  box-shadow: 0  0 10px rgba(0,0,0,0.2)
-}
-.search-dropdown ul, .search-dropdown ul li {
-  list-style-type: none;
-  margin: 0;
-  padding: 0
-}
-.search-dropdown ul li {
-  clear: both
-}
-.search-dropdown img {
-  float: left;
-  margin: 0 10px 10px 0
-}
-.search-dropdown h6 {
-  color: #222;
-  margin: 0;
-  line-height: normal
-}
-.search-dropdown .desc {
-  color: #999;
-  font-size: 11.5px;
-  line-height: normal;
-  margin: 0;
-}
-.search-dropdown li a:hover h6, .search-dropdown li a:hover .desc {
-  color: #33b5e5
-}
-/* --------------------------------------------------------------------------
-Buttons
-*/
-.button, a.button, .button-secondary, a.button-secondary {
-  border-image: initial;
-    -webkit-border-radius: 2px;
-    -moz-border-radius: 2px;
-    border-radius: 2px;
-    cursor: pointer;
-}
-.button, a.button {
-    display:inline-block;
-    background-color: #09c;
-    background-image: -webkit-gradient(linear, left top, left bottom, from(#2faddb), to(#09c));
-    background-image: -webkit-linear-gradient(top, #2faddb, #09c);
-    background-image: -moz-linear-gradient(top, #2faddb, #09c);
-    background-image: -ms-linear-gradient(top, #2faddb, #09c);
-    background-image: -o-linear-gradient(top, #2faddb, #09c);
-    background-image: linear-gradient(top, #2faddb, #09c);
-    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#2faddb', EndColorStr='#0099cc',GradientType=0);
-    border: 1px solid #3990ab;
-    color: #fff;
-}
-.button-secondary, a.button-secondary {
-    background-color: #f3f3f3;
-    border: 1px solid #dcdcdc;
-    color: #444;
-}
-a.button, a.button:visited, a.button-secondary, a.button-secondary:visited {
-    margin-right: 16px;
-   font-weight: 400;
-    min-width: 54px;
-    outline: 0;
-    padding: 8px 15px;
-    text-align: center;
-}
-.button, .button-secondary {
-    margin-right: 16px;
-  font-weight: 400;
-    min-width: 54px;
-    outline: 0;
-    padding: 0 15px;
-    text-align: center;
-}
-.button:hover, a.button:hover {
-    border-color: #09c;
-    background-color: #4cadcb;
-    background-image: -webkit-gradient(linear, left top, left bottom, from(#5dbcd9), to(#4cadcb));
-    background-image: -webkit-linear-gradient(top, #5dbcd9, #4cadcb);
-    background-image: -moz-linear-gradient(top, #5dbcd9, #4cadcb);
-    background-image: -ms-linear-gradient(top, #5dbcd9, #4cadcb);
-    background-image: -o-linear-gradient(top, #5dbcd9, #4cadcb);
-    background-image: linear-gradient(top, #5dbcd9, #4cadcb);
-    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#5dbcd9',
-EndColorStr='#4cadcb',GradientType=0);
-    color: #fff !important;
-}
-.button:active, a.button:active {
-    background-color: #1e799a;
-    background-image: none;
-    border-color: #30b7e6;
-}
-a.button.big.subtitle {
-  line-height:18px;
-}
-.button-secondary:hover, a.button-secondary:hover {
-    border-color: #dbdbdb;
-    background-color: #f3f3f3;
-    background-image: -webkit-gradient(linear, left top, left bottom, from(#f9f9f9), to(#ececec));
-    background-image: -webkit-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: -moz-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: -ms-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: -o-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: linear-gradient(top, #f9f9f9, #ececec);
-    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#f9f9f9',
-EndColorStr='#ececec');
-    color: #33B5E5 !important;
-}
-.button-secondary:active, a.button-secondary:active {
-   border-color: #dadada;
-  background: #ebebeb; /* Old browsers */
-  /* IE9 SVG, needs conditional override of 'filter' to 'none' */
-  background:
-url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiA/
-Pgo8c3ZnIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgdmlld0Jv
-eD0iMCAwIDEgMSIgcHJlc2VydmVBc3BlY3RSYXRpbz0ibm9uZSI+
-CiAgPGxpbmVhckdyYWRpZW50IGlkPSJncmFkLXVjZ2ctZ2VuZXJhdGVkIiBncmFkaWVudFVuaXRzPSJ1c2VyU3BhY2VPblVzZSIg
-eDE9IjAlIiB5MT0iMCUiIHgyPSIwJSIgeTI9IjEwMCUiPgogICAgPHN0b3Agb2Zmc2V0PSIwJSIgc3RvcC1jb2xvcj0iI2ViZWJl
-YiIgc3RvcC1vcGFjaXR5PSIxIi8+
-CiAgICA8c3RvcCBvZmZzZXQ9IjEwJSIgc3RvcC1jb2xvcj0iI2Y5ZjlmOSIgc3RvcC1vcGFjaXR5PSIxIi8+
-CiAgICA8c3RvcCBvZmZzZXQ9IjUwJSIgc3RvcC1jb2xvcj0iI2ZhZmFmYSIgc3RvcC1vcGFjaXR5PSIxIi8+
-CiAgICA8c3RvcCBvZmZzZXQ9IjkwJSIgc3RvcC1jb2xvcj0iI2Y5ZjlmOSIgc3RvcC1vcGFjaXR5PSIxIi8+
-CiAgICA8c3RvcCBvZmZzZXQ9IjEwMCUiIHN0b3AtY29sb3I9IiNmNmY2ZjYiIHN0b3Atb3BhY2l0eT0iMSIvPgogIDwvbGluZWFy
-R3JhZGllbnQ+
-CiAgPHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEiIGhlaWdodD0iMSIgZmlsbD0idXJsKCNncmFkLXVjZ2ctZ2VuZXJhdGVkKSIg
-Lz4KPC9zdmc+);
-  background: -moz-linear-gradient(top,  #ebebeb 0%, #f9f9f9 5%, #fafafa 50%, #f9f9f9 90%,
-#ffffff 100%); /* FF3.6+ */
-  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ebebeb),
-color-stop(5%,#f9f9f9), color-stop(50%,#fafafa), color-stop(90%,#f9f9f9), color-stop(100%,#ffffff));
-/* Chrome,Safari4+ */
-  background: -webkit-linear-gradient(top,  #ebebeb 0%,#f9f9f9 5%,#fafafa 50%,#f9f9f9
-90%,#ffffff 100%); /* Chrome10+,Safari5.1+ */
-  background: -o-linear-gradient(top,  #ebebeb 0%,#f9f9f9 5%,#fafafa 50%,#f9f9f9 90%,#ffffff
-100%); /* Opera 11.10+ */
-  background: -ms-linear-gradient(top,  #ebebeb 0%,#f9f9f9 5%,#fafafa 50%,#f9f9f9 90%,#ffffff
-100%); /* IE10+ */
-  background: linear-gradient(top,  #ebebeb 0%,#f9f9f9 5%,#fafafa 50%,#f9f9f9 90%,#ffffff
-100%); /* W3C */
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ebebeb',
-endColorstr='#ffffff',GradientType=0 ); /* IE6-8 */
-  -webkit-box-shadow: inset 0px 0px 5px 2px rgba(0, 0, 0, .05);
-  -moz-box-shadow: inset 0px 0px 5px 2px rgba(0, 0, 0, .05);
-  box-shadow: inset 0px 0px 5px 2px rgba(0, 0, 0, .05);
-  color: #258AAF !important;
-}
-.button.big {
-  font-size:20px;
-  display:inline-block;
-}
-.button.big span.small {
-  font-size:14px;
-}
-.button-caption {
-  margin-top:10px;
-  font-size:12px;
-  font-style:italic;
-}
-
-.button.disabled,
-.button.disabled:hover,
-.button.disabled:active {
-  background:#ebebeb;
-  color:#999 !important;
-  border-color:#999;
-  cursor:default;
-}
-
-.training-nav-top a.button-secondary,
-.training-nav-bottom a.button-secondary {
-  display:block;
-  float:left;
-  margin:0;
-  width:130px;
-  text-transform:uppercase;
-  font-weight:bold;
-
-    background-color: #f3f3f3;
-    background-image: -webkit-gradient(linear, left top, left bottom, from(#f9f9f9), to(#ececec));
-    background-image: -webkit-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: -moz-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: -ms-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: -o-linear-gradient(top, #f9f9f9, #ececec);
-    background-image: linear-gradient(top, #f9f9f9, #ececec);
-    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#f9f9f9',
-EndColorStr='#ececec');
-    color: #33B5E5;
-}
-
-.training-nav-top a.button-secondary:hover,
-.training-nav-bottom a.button-secondary:hover {
-    background-color: #09c;
-    background-image: -webkit-gradient(linear, left top, left bottom, from(#2faddb), to(#09c));
-    background-image: -webkit-linear-gradient(top, #2faddb, #09c);
-    background-image: -moz-linear-gradient(top, #2faddb, #09c);
-    background-image: -ms-linear-gradient(top, #2faddb, #09c);
-    background-image: -o-linear-gradient(top, #2faddb, #09c);
-    background-image: linear-gradient(top, #2faddb, #09c);
-    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#2faddb', EndColorStr='#09c');
-    border: 1px solid #3990ab;
-    color: #fff !important;
-}
-
-.training-nav-top a.button-secondary.last,
-.training-nav-bottom a.button-secondary.last {
-  border-left:0;
-}
-
-.training-nav-top a.button-secondary.double-size,
-.training-nav-bottom a.button-secondary.double-size {
-  width:291px;
-}
-
-.training-nav-top,
-.training-nav-bottom {
-  float:right;
-  margin:0 0 0 20px;
-}
-
-.training-nav-top {
-  position:relative;
-  top:73px;
-}
-
-.training-nav-bottom {
-  padding:0 0 20px;
-}
-
-#tb-wrapper,
-#qv-wrapper {
-  float:right;
-  clear:right;
-  margin:6px 0 0 30px; /* negative top-margin to counter the content-header bottom margin */
-  padding:0 0 30px;
-}
-
-#tb-wrapper {
-  margin:51px 0 0 20px; /* negative top-margin to counter the content-header bottom margin */
-}
-
-#tb,
-#qv {
-  font-size:13px;
-  line-height:18px;
-  width:238px;
-  border:1px solid #ccc;
-  float:right;
-}
-
-#tb {
-  width:278px;
+#tb .download-box .filename,
+#qv .download-box .filename {
+  font-size:11px;
+  margin:4px 4px 10px;
 }
 
-#tb h2,
-#qv h2 {
-  margin:10px 15px;
-  padding:0;
-  text-transform:uppercase;
-  border-bottom:1px solid gainsboro;
-}
+@media (max-width: 719px) {
+  .training-nav-top {
+    left: 0;
+    width: auto;
+  }
 
-#tb *,
-#qv * {
-  font-size:inherit;
-}
+  #tb-wrapper {
+    clear: none;
+    float: none;
+    margin-left: 0;
+  }
 
-#tb .download-box,
-#qv .download-box {
-  padding:0 0 0 15px;
-}
+  #tb {
+    float: none;
+    width: auto;
+  }
 
-#tb .download-box .filename,
-#qv .download-box .filename {
-  font-size:11px;
-  margin:4px 4px 10px;
-  color:#666;
+  #qv-wrapper {
+    display: none;
+  }
 }
 
 
@@ -1959,9 +1502,10 @@ EndColorStr='#ececec');
   width:226px;
   font-size:13px;
   line-height:18px;
-  border-left:4px solid #99CC00;
+  border-left:3px solid #96ca7c;
+  border-left-color: rgba(106, 179, 68, .7); /* #6ab344 * 70% */
   float:right;
-  padding:0 0 0 10px;
+  padding:0 0 0 20px;
   margin:0 0 1em 20px;
 }
 
@@ -1970,7 +1514,7 @@ EndColorStr='#ececec');
 .sidebox h4,
 .sidebox h5 {
   font-weight:bold;
-  margin:0 0 10px;
+  padding: 0 0 10px;
   line-height: 16px;
 }
 
@@ -1984,12 +1528,17 @@ EndColorStr='#ececec');
 
 #tb ol,
 #tb ul,
+#tb p,
 #qv ul {
-  margin:0 15px 10px 35px;
+  list-style-type: none;
+  margin:0 15px 10px 15px;
 }
 
-#tb p {
-  margin:0 15px 10px;
+#tb li,
+#qv li {
+  margin: 8px 0;
+  padding: 0 0 0 16px;
+  position: relative;
 }
 
 #qv ol {
@@ -2005,16 +1554,11 @@ EndColorStr='#ececec');
 #qv ul ul,
 .sidebox ol ol,
 .sidebox ul ul {
-  margin-bottom:0;
-}
-
-#qv ol ol {
-  margin:3px 0 3px 15px;
+  margin: 8px 0;
 }
 
 .sidebox p,
-#qv p,
-#tb p {
+#qv p {
   margin: 0 0 10px;
 }
 
@@ -2025,7 +1569,7 @@ EndColorStr='#ececec');
 
 
 h3.rel-resources {
-margin:1.25em auto;
+  padding:1.25em auto;
 }
 
 /* --------------------------------------------------------------------------
@@ -2145,7 +1689,6 @@ form .form-error input[type='text'], form .form-error textarea {
     border-radius: 2px;
     margin: 10px 0;
     padding: 20px;
-  color: #666;
     position: relative;
   background: #f9f9f9;
 }
@@ -2202,7 +1745,7 @@ div.sdk-terms.fullsize {
 
 div.sdk-terms h3,
 div.sdk-terms h2 {
-  margin:0;
+  padding: 0;
 }
 
 div#sdk-terms-form {
@@ -2225,6 +1768,46 @@ pre {
   border: solid 1px #ddd;
   background: #f7f7f7;
 }
+
+p.package-name {
+  margin:1em 0;
+}
+
+h1.api-title {
+  padding-bottom:0;
+}
+
+h2.api-section {
+  margin: 60px 0 0;
+}
+
+h2.api-section+hr {
+  margin-bottom: 30px;
+}
+
+h3.api-name {
+  margin: 80px 0 12px;
+  padding: 0;
+}
+
+/* remove top padding when this h3 (visibly) follows an h2.
+   This accounts for the variation in structure,
+   including the collapsed mobile headings */
+h2+hr+div>div>a+div>h3.api-name,
+h2+hr+a+div>h3.api-name,
+h2+hr+a+h3.api-name {
+  margin-top: 0;
+}
+
+pre.api-signature,
+code.api-signature {
+  color:inherit;
+  padding:0;
+  margin:1em 0;
+  border:0;
+  background:transparent;
+}
+
 .str { color: #800; } /* Code string */
 .kwd { color: #008; }
 .typ { color: #606; }
@@ -2276,8 +1859,7 @@ Three-Pane
   padding: 0 0 0 4px;
 }
 #packages-nav li a, #packages-nav li a:active, #packages-nav li a:visited,
-#classes-nav li li a, #classes-nav li li a:active, #classes-nav li li a:visited,
-#nav-tree li a, #nav-tree li a:active, #nav-tree li a:visited {
+#classes-nav li li a, #classes-nav li li a:active, #classes-nav li li a:visited {
   color: #222;
   font-weight: normal;
 }
@@ -2288,8 +1870,7 @@ Three-Pane
 #packages-nav li.selected a, #packages-nav li.selected a:active, #packages-nav li.selected
 a:visited,
 #classes-nav li li.selected a, #classes-nav li li.selected a:active, #classes-nav li li.selected
-a:visited,
-#nav-tree li div.selected {
+a:visited {
     font-weight: 500;
     color: #0099cc;
     background-color:#fff; }
@@ -2297,10 +1878,7 @@ a:visited,
   #classes-nav li.selected ul li a {
   /* don't highlight child items */
     color: #555555; }
-#nav-tree li div.selected a {
-    font-weight: 500;
-    color: #0099cc;
-}
+
 #nav-swap {
   height:30px;
   border-top:1px solid #ccc;
@@ -2330,111 +1908,48 @@ a:visited,
   cursor:pointer;
 }
 
-
-/* nav tree */
-#side-nav, #swapper,
-#nav-tree, #tree-list {
-  overflow:hidden;
-  margin-left:0;
+/* Content */
+#doc-col {
+  margin-right:0;
 }
 
-#devdoc-nav {
-  overflow:visible !important; /* To keep the "to top" button visible */
+/* Uncomment this for preview release watermark
+#doc-col {
+  background: url('../images/preview.png') repeat;
 }
+*/
 
-#nav-tree ul {
-  list-style:none;
-  padding:0;
-  margin:10px 0;
+#doc-content-container {
+  margin-left: 291px
 }
 
-#nav-tree ul li div {
-  padding:0 0 0 4px;
-}
-
-#side-nav #nav-tree ul li a,
-#side-nav #nav-tree ul li span.no-children {
+#doc-header, #doc-content {
   padding: 0;
-  margin: 0;
-}
-
-#nav-tree .plus {
-  margin: 0 3px 0 0;
-}
-
-#nav-tree ul ul {
-  list-style: none;
-  margin: 0;
-  padding: 0 0 0 0;
-}
-
-#nav-tree ul li {
-  margin: 0;
-  padding: 0 0 0 0;
-  white-space: nowrap;
-}
-
-#nav-tree .children_ul {
-  padding:0;
-  margin:0;
-}
-#nav-tree .children_ul li div {
-  padding:0 0 0 10px;
-}
-#nav-tree .children_ul .children_ul li div {
-  padding:0 0 0 20px;
-}
-
-#nav-tree a.nolink {
-  color: #222;
-  text-decoration: none;
-}
-
-#nav-tree span.label {
-  width: 100%;
-}
-
-#nav-tree {
-  overflow-x: auto;
-  overflow-y: scroll;
-  outline:0;
-}
-
-
-/* Content */
-#doc-col {
-  margin-right:0;
-}
-
-/* Uncomment this for preview release watermark
-#doc-col {
-  background: url('../images/preview.png') repeat;
 }
-*/
 
-#doc-content-container {
-  margin-left: 291px
-}
-#doc-header, #doc-content {
-  padding: 1em 2em;
-}
 #doc-header {
   background: #f7f7f7;
 }
+
 #doc-header h1 {
   line-height: 0;
-  margin-bottom: 15px;
+  padding-bottom: 15px;
 }
+
+
 #api-info-block {
   float: right;
   font-weight: bold;
 }
+
 #api-info-block a, #api-info-block a:active, #api-info-block a:visited {
   color: #222;
 }
+
 #api-info-block a:hover, #api-info-block a:focus {
   color: #33B5E5;
 }
+
 #api-nav-header {
   height:19px; /* plus 16px padding = 35; same as #nav li */
   font-size:14px;
@@ -2443,8 +1958,9 @@ a:visited,
   border-bottom: 1px solid #CCC;
   background:#e9e9e9;
   background: rgba(0, 0, 0, 0.05); /* matches #nav li.expanded */
-
+  line-height: 19px; /* Fix regression after page line-height is bumped to 24px */
 }
+
 #api-nav-title {
   padding:0 5px;
   white-space:nowrap;
@@ -2468,6 +1984,7 @@ a:visited,
   display: inline-block;
   overflow: hidden;
 }
+
 #api-level-toggle select {
   border: 0;
   appearance:none;
@@ -2475,10 +1992,11 @@ a:visited,
   -webkit-appearance: none;
   background: transparent url(../images/arrows-up-down.png) 23px 5px no-repeat;
   color: #222;
-  height: 19px;
-  line-height: 19px;
+  /* remove the lines below after xp testing
+     height: 19px;
+     line-height: 19px; */
   padding: 0;
-  margin:1px 0 0 0;
+  margin: .5px 0 0 0;
   width:150%;
   font-size:13px;
   vertical-align:top;
@@ -2652,7 +2170,7 @@ div#codesample-resource .noDisplay-message:after {
 Styles for project structure (treeview) page
 */
 .structure-dir {
-background-image:url(../../assets/images/folder.png);
+background-image:url(../images/folder.png);
 background-repeat:no-repeat;
 background-position:16px 2px;
   margin:.25em 0 0 0;
@@ -2666,7 +2184,7 @@ background-position:16px 2px;
 }
 
 .structure-java{
-background-image:url(../../assets/images/file-java.png);
+background-image:url(../images/file-java.png);
 background-repeat:no-repeat;
 background-position:0px 2px;
   margin:.3em 0 0 0;
@@ -2674,7 +2192,7 @@ background-position:0px 2px;
 }
 
 .structure-file {
-background-image:url(../../assets/images/file-generic.png);
+background-image:url(../images/file-generic.png);
 background-repeat:no-repeat;
 background-position:0px 2px;
   margin:.3em 0 0 0;
@@ -2682,7 +2200,7 @@ background-position:0px 2px;
 }
 
 .structure-xml {
-background-image:url(../../assets/images/file-xml.png);
+background-image:url(../images/file-xml.png);
 background-repeat:no-repeat;
 background-position:0px 2px;
   margin:.3em 0 0 0;
@@ -2690,7 +2208,7 @@ background-position:0px 2px;
 }
 
 .structure-img {
-background-image:url(../../assets/images/file-image.png);
+background-image:url(../images/file-image.png);
 background-repeat:no-repeat;
 background-position:0px 2px;
   margin:.3em 0 0 0;
@@ -2698,7 +2216,7 @@ background-position:0px 2px;
 }
 
 .structure-manifest {
-background-image:url(../../assets/images/file-manifest.png);
+background-image:url(../images/file-manifest.png);
 background-repeat:no-repeat;
   margin:.0 0 0 1.25em;
   padding:0 0 0 22px;
@@ -2768,34 +2286,7 @@ div.sampleLine {
 }*/
 
 /* --------------------------------------------------------------------------
-Butterbar
-*/
-#butterbar-wrapper {
-  position:absolute;
-  top:0;
-  left:0;
-  width:100%;
-}
-#butterbar {
-  width:100%;
-  margin:0 auto;
-}
-#butterbar-message {
-  background-color:rgba(255, 187, 51, .4);
-  font-size:13px;
-  padding: 5px 0;
-  text-align:center;
-}
-a#butterbar-message {
-  cursor:pointer;
-  display:block;
-}
-a#butterbar-message:hover {
-  text-decoration:underline;
-}
-
-/* --------------------------------------------------------------------------
-Misc
+Misc and article typography
 */
 
 
@@ -2823,6 +2314,25 @@ table.blank th, table.blank td {
   list-style:none;
   margin-left:0;
 }
+
+ol.callouts {
+  counter-reset: item;
+  list-style-type: none;
+  margin-left:44px;
+}
+ol.callouts>li:before {
+  counter-increment: item;
+  content: counter(item);
+  position: absolute;
+  color:#fff;
+  font-weight:bold;
+  background-image:url(../images/styles/callout-bg_2x.png);
+  background-size:24px;
+  width:16px;
+  padding-left:8px;
+  margin-left:-34px;
+}
+
 #tb .nolist {
   margin-left:15px;
 }
@@ -2842,27 +2352,121 @@ pre.classic {
 
 p.img-caption {
   margin: -10px 0 20px;
-  font-size:13px;
-  color:#666;
+  font-size: 13px;
 }
 
-div.figure,
-div.figure-right {
-  float:right;
-  clear:right;
-  margin:10px 0 0 0;
-  padding:0 0 0 20px;
+/* figures and callouts */
+.figure {
+  position: relative;
+}
+
+.figure.pad-below {
+  margin-bottom: 20px;
+}
+
+.figure .figure-callout {
+  position: absolute;
+  color: #fff;
+  font-weight: 500;
+  font-size: 16px;
+  line-height: 23px;
+  text-align: center;
+  background: transparent url(../images/styles/callout.png) no-repeat scroll 50% 50%;
+  padding-right: 2px;
+  width: 30px;
+  height: 29px;
+  z-index: 1000;
+}
+
+.figure .figure-callout.top {
+  top: -9px;
+}
+
+.figure .figure-callout.right {
+  right: -5px;
+}
+
+.figure-caption {
+  margin: 0 10px 20px 0;
+  font-size: 14px;
+  line-height: 20px;
+  font-style: italic;
+}
+
+/* rows of figures */
+.figure-row {
+  font-size: 0;
+  line-height: 0;
+  /* to prevent space between figures */
+}
+
+.figure-row .figure {
+  display: inline-block;
+  vertical-align: top;
+}
+
+.figure-row .figure + .figure {
+  margin-left: 10px;
+  /* reintroduce space between figures */
+}
+
+.border-img {
+  border: 1px solid #CCC;
+}
+
+.center-img {
+  margin: auto;
+  text-align: center;
+}
+.center-img img {
+  margin-bottom: 15px;
+}
+
+.figure img,
+.figure-right img,
+.figure-left img,
+.figure-center img,
+.border-img {
+  margin-bottom: 15px;
+}
+
+.figure-center {
+  margin: 32px auto 24px;
+  max-width: 100%;
+}
+
+.figure,
+.figure-right {
+  clear: right;
+  float: right;
+  margin: 10px 0 0 0;
+  padding: 0 0 0 20px;
+  max-width: 50%;
   /* width must be defined w/ an inline style matching the image width */
 }
 
-div.figure-left {
-  float:left;
-  clear:left;
-  margin:10px 0 0 0;
-  padding:0 20px 0 0;
+.figure-left {
+  clear: left;
+  float: left;
+  margin: 10px 0 0 0;
+  padding: 0 20px 0 0;
+  max-width: 50%;
   /* width must be defined w/ an inline style matching the image width */
 }
 
+@media (max-width: 719px) {
+  /* Collapse on mobile. */
+  .figure,
+  .figure-right,
+  .figure-left {
+    float: none;
+    clear: none;
+    padding: 0;
+    margin: 32px auto 24px;
+    max-width: 100%;
+  }
+}
+
 img.frame {
   border:1px solid #DDD;
   padding:4px;
@@ -2871,50 +2475,46 @@ img.frame {
 p.table-caption {
   margin: 0 0 4px 0;
   font-size:13px;
-  color:#666;
 }
 
 p.code-caption {
   margin-bottom: 4px;
   font: 12px/1.5 monospace;
-  color:#666;
-}
-
-div.note,
-div.caution,
-div.warning {
-  margin: 0 0 15px;
 }
 
 p.note, div.note,
 p.caution, div.caution,
 p.warning, div.warning {
-  padding: 0 0 0 10px;
-  border-left: 4px solid;
+  padding: 0 0 0 20px;
+  border-left: 3px solid;
+  margin: 16px 0;
 }
 
 p.note, div.note {
-  border-color: #258AAF;
+  border-color: #4eb9ed;
+  border-color: rgba(3, 155, 229, .7); /* #039be5 * 70% */
 }
 
 p.caution, div.caution {
-  border-color: #FF8800;
+  border-color: #ffbc4c;
+  border-color: rgba(255, 160, 0, .7); /* #ffa000 * 70% */
 }
 
 p.warning, div.warning {
-  border-color: #ff4443;
+  border-color: #f48684;
+  border-color: rgba(239, 83, 80, .7); /* #ef5350 * 70% */
 }
 
 div.note.design {
-  border-left: 4px solid #33B5E5;
+  border-left: 4px solid #00bcd4;
 }
 
 div.note.develop {
-  border-left: 4px solid #F80;
+  border-left: 4px solid #ff7043;
 }
 
 div.note.distribute {
-  border-left: 4px solid #9C0;
+  border-left: 4px solid #afb42b;
 }
 
 .note p, .caution p, .warning p {
@@ -2925,6 +2525,17 @@ div.note.distribute {
   margin-bottom:0;
 }
 
+.summary-table {
+  background-color:#eceff1;
+  padding:1em;
+  margin-bottom:1.5em;
+}
+
+.summary-table h5 {
+  line-height:1em;
+  font-size:.98em;
+}
+
 body.about blockquote {
   display:block;
   float:right;
@@ -2984,20 +2595,20 @@ a.notice-developers div,
 a.notice-designers-video div,
 a.notice-designers div {
   min-height:40px;
-  background:url('../images/styles/notice-developers@2x.png') no-repeat 10px 10px;
+  background:url('../images/styles/notice-developers_2x.png') no-repeat 10px 10px;
   background-size:40px 40px;
   padding:10px 10px 10px 60px;
 }
 a.notice-designers div {
-  background:url('../images/styles/notice-designers@2x.png') no-repeat 10px 10px;
+  background:url('../images/styles/notice-designers_2x.png') no-repeat 10px 10px;
   background-size:40px 40px;
 }
 a.notice-designers-video div {
-  background:url('../images/styles/notice-designers-video@2x.png') no-repeat 10px 10px;
+  background:url('../images/styles/notice-designers-video_2x.png') no-repeat 10px 10px;
   background-size:40px 40px;
 }
 a.notice-developers-video div {
-  background:url('../images/styles/notice-developers-video@2x.png') no-repeat 10px 10px;
+  background:url('../images/styles/notice-developers-video_2x.png') no-repeat 10px 10px;
   background-size:40px 40px;
 }
 a.notice-developers-video:hover,
@@ -3015,7 +2626,7 @@ a.notice-designers h3 {
   font-weight:bold;
   text-transform:uppercase;
   color:#000 !important;
-  margin:0 0 1px;
+  padding:0 0 1px;
 }
 a.notice-developers-video p,
 a.notice-developers p,
@@ -3169,7 +2780,7 @@ div#naMessage div {
   z-index:99;
   width:450px;
   position:fixed;
-  margin:50px 0;
+  margin:80px 0;
   padding:4em 4em 3em;
   background:#FFF;
   border:1px solid #999;
@@ -3357,8 +2968,7 @@ Feature Boxes
 
 .feature-box h4,
 .dialog h4 {
-    margin: 15px 18px 10px;
-    padding:0;
+    padding: 15px 18px 10px;
 }
 
 .feature-box p,
@@ -3435,36 +3045,31 @@ Page-Specific Styles
   padding:0 0 0 4px;
 }
 
-#jd-header {
-  padding: 0 0 12px;
-  margin: 20px 0 12px;
-  font-size:12px;
-  padding-bottom:12px;
-  border-bottom:solid 1px #ccc;
-}
-
-#jd-header h1 {
-  margin:0;
-  padding:0 0 6px 0;
-}
-
 /* not sure if this is needed in the ref docs, disabling for now
 .jd-descr h2 {
   margin:16px 0;
 }
 */
 
+/* First paragraph of a content pages is a bit larger
+   - note the very specific selector. */
+.jd-descr > p:first-child,
+.jd-descr > #tb-wrapper + p,
+.jd-descr > #qv-wrapper + p {
+  font-size: 16px;
+  margin-bottom: 16px;
+}
+
 /* page-top-right container for reference pages (holds
 links to summary tables) */
 #api-info-block {
   font-size:12px;
   margin:20px 0 0;
-  padding:0 10px 6px;
   font-weight:normal;
   float:right;
   text-align:right;
   color:#999;
-  max-width:80%;
+  max-width:300px;
   font-size: 12px;
   line-height:14px;
 }
@@ -3479,12 +3084,17 @@ links to summary tables) */
 }
 
 /* inheritance table */
+table.inhtable>tbody>tr>td {
+  padding-left:0;
+}
+table.inhtable>tbody>tr>td div:first-of-type {
+  padding-left:12px;
+}
+
 .jd-inheritance-table {
   border-spacing:0;
-  margin:0;
+  margin:1em 0;
   padding:0;
-  font-size:12px;
-  line-height:14px;
   background-color:transparent;
 }
 .jd-inheritance-table tr td {
@@ -3494,23 +3104,13 @@ links to summary tables) */
   background-color:transparent;
 }
 .jd-inheritance-table .jd-inheritance-space {
-  font-weight:bold;
-  width:1em;
+  width:2em;
 }
 .jd-inheritance-table .jd-inheritance-interface-cell {
   padding-left: 17px;
 }
 
 
-
-.jd-sumtable a {
-  text-decoration:none;
-}
-
-.jd-sumtable a:hover {
-  text-decoration:underline;
-}
-
 /* the link inside a sumtable for "Show All/Hide All" */
 .toggle-all {
   display:block;
@@ -3520,11 +3120,10 @@ links to summary tables) */
 }
 
 /* adjustments for in/direct subclasses tables */
-.jd-sumtable.jd-sumtable-subclasses {
+.jd-sumtable-subclasses {
   margin: 1em 0 0 0;
   max-width:968px;
   background-color:transparent;
-  font-size:13px;
 }
 
 /* extra space between end of method name and open-paren */
@@ -3532,11 +3131,6 @@ links to summary tables) */
   margin-right: 2px;
 }
 
-/* right alignment for the return type in sumtable */
-.jd-sumtable .jd-typecol {
-  text-align:right;
-}
-
 /* adjustments for the expando table-in-table */
 .jd-sumtable-expando {
   margin:.5em 0;
@@ -3557,7 +3151,9 @@ links to summary tables) */
 
 .jd-sumtable-subclasses div#subclasses-direct,
 .jd-sumtable-subclasses div#subclasses-indirect {
-  margin:0 0 0 13px;
+  /* left margin matches width of the toggle image,
+     so this section aligns with the text above */
+  margin:0 0 0 34px;
 }
 
 
@@ -3626,13 +3222,9 @@ body.google h4.jd-details-title {
   padding-top:5px;
   border-top: 1px solid #ccc;
 }
-body.google table.jd-sumtable th {
-  background-color: #FFF;
-  color:#000;
-}
 
 h4.jd-tagtitle {
-  margin:0;
+  padding:0;
 }
 
 h4 .normal {
@@ -3642,7 +3234,7 @@ h4 .normal {
 /* API reference: heading for "Parameters", "See Also", etc.,
 in details sections */
 h5.jd-tagtitle {
-  margin:0 0 .25em 0;
+  padding:0 0 .25em 0;
   font-size:1em;
 }
 
@@ -3665,6 +3257,7 @@ h5.jd-tagtitle {
   font-style:italic;
 }
 
+
 /* Inline api level indicator for methods */
 div.api-level {
   font-size:.8em;
@@ -3672,7 +3265,7 @@ div.api-level {
   color:#999;
   float:right;
   padding:0 8px 0;
-  margin-top:-30px;
+  margin-top:-35px;
 }
 
 table.jd-tagtable td,
@@ -3684,3757 +3277,7174 @@ table.jd-tagtable th {
   color:inherit;
 }
 
+/************ STICKY NAV BAR ******************/
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/* SEARCH FILTER */
-
-.menu-container {
-  position:relative;
+#context {
+  clear: both;
+  padding-top: 14px;
 }
-#search_autocomplete {
-  font-weight:normal;
+#context .breadcrumb {
+  float: left;
+  margin-bottom: 10px;
 }
-
-.search_filtered_wrapper.reference {
-  width: 193px;
+#context .util {
   float: right;
+  margin-right: 20px;
 }
-.search_filtered_wrapper.docs {
-  width:875px;
-  float: left;
-  position:absolute;
-  top:26px;
-  right:66px;
+
+.breadcrumb {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  position: relative;
 }
-.suggest-card {
-  position:relative;
-  width:170px;
-  min-height:90px;
-  padding:5px;
-  border: solid 1px #C5C5C5;
-  background: white;
-  top: 15px;
-  margin-right:-5px;
-  -moz-box-shadow: 0 0 10px rgba(0,0,0,0.2);
-  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
-  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
-}
-.suggest-card.reference {
-  position:absolute;
-  z-index:999;
-  min-width:171px; /* +padding and border makes this match input width */
-  min-height:93px; /* add 3px because this has 1 not 4px top border */
-  width:auto;
-  top:41px;
-  margin:0;
+.breadcrumb li {
+  float: left;
+  padding: 0 20px 0 0;
+  color: #000;
+  white-space: nowrap;
 }
-.suggest-card.develop {
-  z-index:997;
-  border-top: solid 4px #F80;
-  float:right;
+.breadcrumb li a {
+  color: #000;
 }
-.suggest-card.design {
-  z-index:996;
-  border-top: solid 4px #33b5e5;
-  float:right;
+.breadcrumb li:after {
+  content: url(../images/breadcrumb.png);
+  position: relative;
+  top: 1px;
+  left: 10px;
+  width: 5px;
+  height: 10px;
 }
-.suggest-card.distribute {
-  z-index:995;
-  border-top: solid 4px #9C0;
-  float:right;
+.breadcrumb li.current {
+  font-weight: 700;
 }
-.child-card {
-  width:100%;
+.breadcrumb li.current:after {
+  display: none;
 }
-.suggest-card.dummy {
-  width:172px;
-  float:right;
-  border:0;
-  background:transparent;
-  -moz-box-shadow: none;
-  -webkit-box-shadow: none;
-  box-shadow: none;
+
+/* offset the empty <a name=""> tags to account for sticky nav */
+body.reference a[name]:not(.nav-start-marker):empty {
+  visibility: hidden;
+  display: block;
+  position: relative;
+  top: -56px;
 }
 
-ul.search_filtered {
-  min-width:100%;
-  list-style: none;
-  margin: 0 0 5px;
-  padding: 0;
+.nav-start-marker {
+  position: absolute;
 }
-.search_filtered .jd-selected {
-  background:#efefef;
+
+/* Quicknav */
+.btn-quicknav {
+  width:20px;
+  height:28px;
+  float:left;
+  margin-left:6px;
+  padding-right:10px;
+  position:relative;
   cursor:pointer;
-}
-.search_filtered .jd-selected,
-.search_filtered .jd-selected a {
-    color:#09C !important;
+  border-right:1px solid #CCC;
 }
 
-.no-display {
-  display: none;
+.btn-quicknav a {
+  zoom:1;
+  position:absolute;
+  top:13px;
+  left:5px;
+  display:block;
+  text-indent:-9999em;
+  width:10px;
+  height:5px;
+  background:url(../images/quicknav_arrow.png) no-repeat;
 }
 
-.search_filtered li.jd-autocomplete {
-  font-size: 0.81em;
-  border: none;
-  margin: 0 0 2px;
-  padding: 0;
-  line-height:1.5em;
+.btn-quicknav a.arrow-active {
+  background-position: 0 -5px;
+  display:none;
 }
 
-.search_filtered li a {
-  padding:0 5px;
-  color:#222 !important;
-  display:inline-block;
-  line-height:12px;
+#header-wrap.quicknav a.arrow-inactive {
+  display:none;
 }
 
-.search_filtered li.header {
-  font-weight:bold;
-  color:#444;
-  border: none;
-  margin: 8px 0 2px;
-  padding:1px 5px;
-  line-height:1.5em;
-}
-.search_filtered li.header.small {
-  font-size:0.85em;
+.btn-quicknav.active a.arrow-active {
+  display:block;
 }
 
-.suggest-card.reference
-.search_filtered li.header {
-  color:#aaa;
-  font-size: 0.81em;
+#header-wrap.quicknav .nav-x li {
+  min-width:160px;
+  margin-right:20px;
 }
 
-.search_filtered li.header:first-child {
-  margin: 0 0 2px;
+#header-wrap.quicknav li.last {
+  margin-right:0px;
 }
 
-.show-item {
-  display: table-row;
-}
-.hide-item {
-  display: hidden;
+#quicknav {
+ float:none;
+ clear:both;
+ margin-left:0;
+ margin-top:-30px;
+ display:none;
+ overflow:hidden;
 }
 
+#header-wrap.quicknav #quicknav {
 
-
-
-
-/* SEARCH RESULTS */
-
-
-#leftSearchControl .gsc-twiddle {
-  background-image : none;
 }
 
-#leftSearchControl td, #searchForm td {
-  border: 0px solid #000;
+#quicknav ul {
+  margin:10px 0;
   padding:0;
 }
 
-#leftSearchControl .gsc-resultsHeader .gsc-title {
-  padding-left : 0px;
-  font-weight : bold;
-  font-size : 13px;
-  color:#006699;
-  display : none;
+#quicknav ul li.about {
+  border-top:1px solid #9933CC;
 }
 
-#leftSearchControl .gsc-resultsHeader div.gsc-results-selector {
-  display : none;
+#quicknav ul li.design {
+  border-top:1px solid #33b5e5;
 }
 
-#leftSearchControl .gsc-resultsRoot {
-  padding-top : 6px;
+#quicknav ul li.develop {
+  border-top:1px solid #FF8800;
 }
 
-#leftSearchControl div.gs-visibleUrl-long {
-  display : block;
-  color:#006699;
+#quicknav ul li.distribute {
+  border-top:1px solid #99cc00;
 }
 
-#leftSearchControl .gsc-webResult {
-  padding:0 0 20px 0;
+#quicknav ul li {
+  display:block;
+  float:left;
+  margin:0 20px 0 0;
+  min-width:140px;
 }
 
-.gsc-webResult div.gs-visibleUrl-short,
-table.gsc-branding,
-.gsc-clear-button {
-  display : none;
+#quicknav ul li.last {
+  margin-right:0px;
 }
 
-.gsc-cursor-box .gsc-cursor div.gsc-cursor-page,
-.gsc-cursor-box .gsc-trailing-more-results a.gsc-trailing-more-results,
-#leftSearchControl a,
-#leftSearchControl a b {
-  color:#006699;
+#quicknav ul li ul li {
+  float:none;
 }
 
-.gsc-resultsHeader {
-  display: none;
+#quicknav ul li ul li a {
+  color:#222;
 }
 
-/* Disable built in search forms */
-.gsc-control form.gsc-search-box {
-  display : none;
-}
-table.gsc-search-box {
-  margin:6px 0 0 0;
-  border-collapse:collapse;
+#quicknav ul li li ul,
+#quicknav ul li li ul li {
+  margin:0;
 }
 
-td.gsc-input {
-  padding:0 2px;
-  width:100%;
-  vertical-align:middle;
+#quicknav ul li li ul li:before {
+  content:"\21B3";
 }
 
-input.gsc-input {
-  border:1px solid #BCCDF0;
-  width:99%;
-  padding-left:2px;
-  font-size:.95em;
-}
+#header-wrap {
+   -webkit-transition: all 0.25s ease-out;
+      -moz-transition: all 0.25s ease-out;
+       -ms-transition: all 0.25s ease-out;
+        -o-transition: all 0.25s ease-out;
+           transition: all 0.25s ease-out;
 
-td.gsc-search-button {
-  text-align: right;
-  padding:0;
-  vertical-align:top;
 }
 
+#header-wrap.quicknav {
+  height:216px;
 
-#searchResults {
-  overflow:hidden; /* because the repositioned page links makes the section think it needs to scroll
-(it doesn't) */
-  height:auto;
 }
 
-#searchResults .gsc-control {
-  position:relative;
-  width:auto;
-  padding:0 0 10px;
+.moremenu {
+  float: right;
+  position: relative;
+  width: 50px;
+  height:28px;
+  display: block;
+  margin-top:-3px;
+  margin-bottom:7px;
+  overflow:hidden;
+  -webkit-transition: width 0.25s ease;
+     -moz-transition: width 0.25s ease;
+       -o-transition: width 0.25s ease;
+          transition: width 0.25s ease;
 }
 
-#searchResults .gsc-tabsArea {
-  position:relative;
-  white-space:nowrap;
+.moremenu #more-btn {
+  width:40px;
+  height:28px;
+  background:url(../images/icon_more.png) no-repeat;
+  border-left:1px solid #CCC;
   float:left;
-  width:200px;
+  cursor:pointer;
 }
 
-#searchResults .gsc-above-wrapper-area {
-  display:none;
+.moremenu:hover #more-btn {
+  background-position:0 -28px;
 }
 
-#searchResults .gsc-resultsbox-visible {
-  float:left;
-  width:720px;
-  margin-left:20px;
-}
+.morehover {
+  position:absolute;
+  right:6px;
+  top:-9px;
+  width:40px;
+  height:35px;
+  z-index:99;
+  overflow:hidden;
 
-#searchResults .gsc-tabHeader {
-  padding: 3px 6px;
-  position:relative;
-  width:auto;
-  display:block;
-}
+  -webkit-opacity:0;
+     -moz-opacity:0;
+       -o-opacity:0;
+          opacity:0;
 
-#searchResults h2#searchTitle {
-  padding:0;
-  margin:5px 0;
-  border:none;
-}
+  -webkit-transform-origin:100% 0%;
+     -moz-transform-origin:100% 0%;
+       -o-transform-origin:100% 0%;
+          transform-origin:100% 0%;
 
-#searchResults h2#searchTitle em {
-  font-style:normal;
-  color:#33B5E5;
-}
+  -webkit-transition-property: -webkit-opacity;
+  -webkit-transition-duration: .25s;
+  -webkit-transition-timing-function:ease;
 
-#searchResults .gsc-table-result {
-  margin:5px 0 10px 0;
-  background-color:transparent;
-}
-#searchResults .gs-web-image-box, .gs-promotion-image-box {
-  width:120px;
+  -moz-transition-property: -moz-opacity;
+  -moz-transition-duration: .25s;
+  -moz-transition-timing-function:ease;
+
+  -o-transition-property: -o-opacity;
+  -o-transition-duration: .25s;
+  -o-transition-timing-function:ease;
+
+  transition-property: opacity;
+  transition-duration: .25s;
+  transition-timing-function:ease;
 }
-#searchResults .gs-web-image-box img.gs-image, .gs-promotion-image-box img.gs-promotion-image {
-  max-width:120px;
+
+.morehover:hover,
+.morehover.hover {
+  opacity:1;
+  height:385px;
+  width:268px;
+  -webkit-transition-property:height,  -webkit-opacity;
 }
 
-#searchResults .gsc-table-result .gsc-thumbnail {
-  padding:0 20px 0 0;
+.morehover .top {
+  width:268px;
+  height:39px;
+  background:url(../images/more_top.png) no-repeat;
 }
 
-#searchResults td {
-  background-color:transparent;
+.morehover .mid {
+  width:228px;
+  background:url(../images/more_mid.png) repeat-y;
+  padding:10px 20px 0 20px;
 }
 
-#searchResults .gsc-expansionArea {
-  position:relative;
+.morehover .mid .header {
+  border-bottom:1px solid #ccc;
+  font-weight:bold;
 }
-#searchResults .gsc-tabsArea .gsc-cursor-box {
-  width:200px;
-  padding:20px 0 0 1px;
+
+.morehover .bottom {
+  width:268px;
+  height:6px;
+  background:url(../images/more_bottom.png) no-repeat;
 }
-#searchResults .gsc-cursor-page {
-  display:inline-block;
-  float:left;
-  margin:-1px 0 0 -1px;
-  padding:0;
-  height:27px;
-  width:27px;
-  text-align:center;
-  line-height:2;
+
+.morehover ul {
+  margin:10px 10px 20px 0;
 }
 
-#searchResults .gsc-tabHeader.gsc-tabhInactive,
-#searchResults .gsc-cursor-page {
-  text-decoration:none;
-  color:#258AAF;
-  border: solid 1px #DADADA;
-}
-
-#searchResults .gsc-tabHeader.gsc-tabhInactive:hover,
-#searchResults .gsc-cursor-page:hover {
-  border-color: #DBDBDB;
-  background-color: #F3F3F3;
-  background-image: -webkit-gradient(linear, left top, left bottom, from(#F9F9F9), to(#ECECEC));
-  background-image: -webkit-linear-gradient(top, #F9F9F9, #ECECEC);
-  background-image: -moz-linear-gradient(top, #F9F9F9, #ECECEC);
-  background-image: -ms-linear-gradient(top, #F9F9F9, #ECECEC);
-  background-image: -o-linear-gradient(top, #F9F9F9, #ECECEC);
-  background-image: linear-gradient(top, #F9F9F9, #ECECEC);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#f9f9f9',
-EndColorStr='#ececec');
-  color: #33B5E5;
+.morehover ul li {
+  list-style:none;
 }
 
-#searchResults .gsc-tabHeader.gsc-tabhActive,
-#searchResults .gsc-tabHeader.gsc-tabhActive:hover,
-#searchResults .gsc-cursor-page.gsc-cursor-current-page,
-#searchResults .gsc-cursor-page.gsc-cursor-current-page:hover {
-  color:#fff;
-  background-color: #09C;
-  background-image: -webkit-gradient(linear, left top, left bottom, from(#2FADDB), to(#09C));
-  background-image: -webkit-linear-gradient(top, #2FADDB, #09C);
-  background-image: -moz-linear-gradient(top, #2FADDB, #09C);
-  background-image: -ms-linear-gradient(top, #2FADDB, #09C);
-  background-image: -o-linear-gradient(top, #2FADDB, #09C);
-  background-image: linear-gradient(top, #2FADDB, #09C);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#2faddb', EndColorStr='#09c');
-  border: 1px solid #3990AB;
-  z-index:100;
+.morehover ul li.active a,
+.morehover ul li.active a:hover {
+  color:#222 !important;
 }
 
+.morehover ul li.active img {
+  margin-right:4px;
+}
 
 
 
 
-/************ STICKY NAV BAR ******************/
-
-#header-wrapper {
-  background: #f9f9f9;
-  margin: 0 -10px 0 -10px;
-  padding: 31px 10px 0px 10px;
-  position: relative;
+/* MARQUEE */
+.slideshow-container {
+  width:100%;
+  overflow:hidden;
+  position:relative;
 }
-#header-wrapper #nav-x div.wrap {
-  max-width: 940px;
-  height: 38px;
+.slideshow-container .slideshow-prev {
+  position:absolute;
+  top:50%;
+  left:0px;
+  margin-top:-36px;
+  z-index:99;
 }
-#header-wrapper #nav-x ul.nav-x li {
-  margin-right: 31px !important;
-  margin-top: 5px;
-  margin-bottom: 0px;
-  height: 30px;
+.slideshow-container .slideshow-next {
+  position:absolute;
+  top:50%;
+  margin-top:-36px;
+  z-index:99;
+  right:0px;
 }
-#header-wrapper #nav-x > div.wrap ul.nav-x li.active  {
-  color: #669900;
-  border-bottom: 3px solid #669900;
+
+.slideshow-container .pagination {
+  position:absolute;
+  bottom:20px;
+  width:100%;
+  text-align:center;
+  z-index:99;
 }
-#header-wrapper #nav-x > div.wrap ul.nav-x li.active a {
-  color: #669900;
+.slideshow-container .pagination ul {
+  margin:0;
 }
-#header-wrapper #nav-x > div.wrap ul.nav-x a {
-  font-size: 14.5px;
+.slideshow-container .pagination ul li{
+  display: inline-block;
+  width:12px;
+  height:12px;
+  text-indent:-8000px;
+  list-style:none;
+  margin: 0 3px;
+  border-radius:6px;
+  background-color:#ddd;
+  cursor:pointer;
+        -webkit-transition:color .5s ease-in;
+        -moz-transition:color .5s ease-in;
+        -o-transition:color .5s ease-in;
+        transition:color .5s ease-in;
 }
-#header-wrapper .developer-console-btn {
-  float: right;
-  background: #fefefe;
-  border-radius: 4px;
-  padding: 8px 14px;
-  box-shadow: 1px 1px 0px #7a7a7a;
-  font-size: 14px;
-  margin-top: -6px;
-  cursor: pointer;
-  color: #464646;
-  margin-right: 20px;
+.slideshow-container .pagination ul li:hover {
+  background-color:#bbb;
 }
-/* not currently used */
-#header-wrapper .shadow {
-  width: 1034px;
-  height: 4px;
-  position: absolute;
-  left: 50%;
-  margin-left: -517px;
-  bottom: -4px;
-  background-image: url(../images/header-shadow.png);
+.slideshow-container .pagination ul li.active {
+  background-color:#6ab344;
 }
-
-#context {
-  clear: both;
-  padding-top: 14px;
+.slideshow-container .pagination ul li.active:hover {
+  background-color:#6ab344;
 }
-#context .breadcrumb {
-  float: left;
-  margin-bottom: 10px;
+.slideshow-container ul li {
+  display:inline;
+  list-style:none;
 }
-#context .util {
-  float: right;
-  margin-right: 20px;
+
+
+#landing h1 {
+  padding:17px 0 20px 0 !important;
 }
 
-.breadcrumb {
-  list-style: none;
-  margin: 0;
-  padding: 0;
-  position: relative;
+a.download-sdk {
+    float:right;
+    margin:-10px 0;
+    height:30px;
+    padding-top:4px;
+    padding-bottom:0px;
 }
-.breadcrumb li {
-  float: left;
-  padding: 0 20px 0 0;
-  color: #000;
-  white-space: nowrap;
+
+#searchResults.wrap {
+    max-width:940px;
+    border-bottom:1px solid #e5e5e5;
 }
-.breadcrumb li a {
-  color: #000;
+
+#searchResults.wrap #leftSearchControl {
+  min-height:700px
 }
-.breadcrumb li:after {
-  content: url(../images/breadcrumb.png);
+
+
+
+
+
+
+
+
+
+
+/*
+ * CSS Styles that are needed by jScrollPane for it to operate correctly.
+ */
+
+.jspContainer {
+  overflow: hidden;
   position: relative;
-  top: 1px;
-  left: 10px;
-  width: 5px;
-  height: 10px;
-}
-.breadcrumb li.current {
-  font-weight: 700;
-}
-.breadcrumb li.current:after {
-  display: none;
 }
 
-/* Sticky Nav overrides */
-.sticky-menu {
-  position: fixed;
-  width: 940px;
-  height: 0px;
-  z-index: 51;
-  top: 12px;
-}
-#sticky-header {
-  display: none;
-  padding: 0 10px;
-  position: fixed;
-  background: #f9f9f9;
-  top: 0px;
-  left: 0px;
-  right: 0px;
-  height: 45px;
-  box-shadow: 0px 1px 5px rgba(0, 0, 0, 0.1);
-  border-bottom: 1px solid #a5c43a;
-  z-index: 50;
+.jspPane {
+  position: absolute;
+  width:100% !important; /* to avoid cut-off api names in reference in horiz scroll */
 }
-#sticky-header.design {
-  border-bottom: 1px solid #33b5e5;
+
+.jspVerticalBar {
+  position: absolute;
+  top: 0;
+  right: 0;
+  width: 4px;
+  height: 100%;
+  background: #f5f5f5;
 }
-#sticky-header.develop {
-  border-bottom: 1px solid #F80;
+
+.jspHorizontalBar {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  height: 4px;
+  background: #f5f5f5;
 }
-#sticky-header.distribute {
-  border-bottom: 1px solid #9C0;
+
+.jspVerticalBar *,
+.jspHorizontalBar * {
+  margin: 0;
+  padding: 0;
 }
-#sticky-header.about {
-  border-bottom: 1px solid #9933CC;
+.jspCap {
+  display: block;
 }
-#sticky-header > div {
-  overflow: hidden;
-  *zoom: 1;
-  width: 940px;
-  margin: 0 auto;
-  clear: both;
-  padding-top: 9px;
+
+.jspVerticalBar .jspCap {
+  height: 4px;
 }
-#sticky-header > div .logo {
-  float: left;
-  width: 26px;
-  height: 25px;
-  background: url(../images/dac_logo.png);
-  background-image: -webkit-image-set(url(../images/dac_logo.png) 1x, url(../images/dac_logo@2x.png) 2x);
-  z-index: 52;
-  position: relative;
+
+.jspHorizontalBar .jspCap {
+  width: 0;
+  height: 100%;
 }
-#sticky-header > div .top {
+
+.jspHorizontalBar .jspCap {
   float: left;
-  width: 38px;
-  height: 38px;
-  position: relative;
-  background: url(../images/styles/gototop.png);
-  z-index: 52;
 }
-#sticky-header > div .breadcrumb {
-  float: left;
-  padding: 0 0 0 10px;
-  border-left: 1px solid #d2d2d2;
-  line-height: 24px;
-  font-size: 14px;
+
+.jspTrack {
   position: relative;
-  top: 0px;
-  z-index: 52;
 }
 
-/* offset the <a name=""> tags to account for sticky nav */
-body.reference a[name] {
-  visibility: hidden;
-  display: block;
+.jspDrag {
+  background: #ccc;
   position: relative;
-  top: -56px;
+  top: 0;
+  left: 0;
+  cursor: pointer;
 }
 
-
+.jspDrag:hover,
+.jspDrag:active {
+  border-color: #09c;
+  background-color: #4cadcb;
+  background-image: -webkit-gradient(linear, left top, right top, from(#5dbcd9), to(#4cadcb));
+  background-image: -webkit-linear-gradient(left, #5dbcd9, #4cadcb);
+  background-image: -moz-linear-gradient(left, #5dbcd9, #4cadcb);
+  background-image: -ms-linear-gradient(left, #5dbcd9, #4cadcb);
+  background-image: -o-linear-gradient(left, #5dbcd9, #4cadcb);
+  background-image: linear-gradient(left, #5dbcd9, #4cadcb);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#5dbcd9', EndColorStr='#4cadcb');
 }
 
-
-
-
-
-
-
-/*********** PREVIOUSLY dac-styles.css ***************/
-
-
-#header {
-  border-bottom:0;
+.jspHorizontalBar .jspTrack,
+.jspHorizontalBar .jspDrag {
+  float: left;
+  height: 100%;
 }
 
-#header .wrap {
-  max-width:940px;
-  height:41px;
-  border-bottom:1px solid;
-  border-color: #ccc;
-  position:relative;
+.jspArrow {
+  background: #999;
+  text-indent: -20000px;
+  display: block;
+  cursor: pointer;
 }
 
-.about #header .wrap {
-  border-color: #9933CC;
+.jspArrow.jspDisabled {
+  cursor: default;
+  background: #ccc;
 }
 
-.design #header .wrap {
-  border-color: #33b5e5;
+.jspVerticalBar .jspArrow {
+  height: 16px;
 }
 
-.develop #header .wrap {
-  border-color: #F80;
+.jspHorizontalBar .jspArrow {
+  width: 16px;
+  float: left;
+  height: 100%;
 }
 
-.distribute #header .wrap {
-  border-color: #9C0;
+.jspVerticalBar .jspArrow:focus {
+  outline: none;
 }
 
-.logo a {
-  float:left;
+.jspCorner {
+  float: left;
+  height: 100%;
 }
 
-#header .logo {
-  margin-top: -6px;
-  margin-left: 0px;
-  margin-bottom:0px;
-  width: 160px;
-  padding-right:10px;
+/* Yuk! CSS Hack for IE6 3 pixel bug :( */
+* html .jspCorner {
+  margin: 0 -3px 0 0;
 }
+/******* end of jscrollpane *********/
 
 
-#header-wrap .logo.landing-logo {
-  width:220px;
-  margin:0;
-  padding:0;
-  margin-bottom:22px;
-}
-#header-wrap .logo.landing-logo img {
-  padding:0 0 0 10px;
-}
 
-.search {
-  height:25px;
-  margin-top: -3px;
-  margin-bottom: 0px;
-}
 
 
+/************ DEVELOP HOMEPAGE ******************/
 
-/* Quicknav */
-.btn-quicknav {
-  width:20px;
-  height:28px;
-  float:left;
-  margin-left:6px;
-  padding-right:10px;
-  position:relative;
+/* Slideshow */
+.slideshow-develop {
+  height: 316px;
+  width: 940px;
+  position: relative;
+  overflow:hidden;
+}
+.slideshow-develop .frame {
+  width: 940px;
+  height: 316px;
+}
+.slideshow-develop img.play {
+  max-width:350px;
+  max-height:240px;
+  margin:20px 0 0 90px;
+  -webkit-transform: perspective(800px ) rotateY( 35deg );
+  box-shadow: -16px 20px 40px rgba(0, 0, 0, 0.3);
+  -moz-box-shadow: -16px 20px 40px rgba(0, 0, 0, 0.3);
+  -webkit-box-shadow: -16px 20px 40px rgba(0, 0, 0, 0.3);
+}
+.slideshow-develop img.play.no-shadow {
+    box-shadow: none;
+    -moz-box-shadow: none;
+    -webkit-box-shadow: none;
+}
+.slideshow-develop img.play.no-transform {
+  -webkit-transform: none;
+}
+.slideshow-develop a.slideshow-next {
+  background: url(../images/arrow-right-develop.png);
+}
+.slideshow-develop a.slideshow-prev {
+  background: url(../images/arrow-left-develop.png);
+}
+.slideshow-develop .content-right {
+  float: left;
+}
+.slideshow-develop .content-right h2 {
+  padding:0;
+  padding-bottom:10px;
+  border:none;
+  font-size:24px;
+}
+.slideshow-develop .item {
+  height: 300px;
+  width: 940px;
+}
+.slideshow-develop .pagination ul li.active {
+  background-color: #F80;
+}
+.slideshow-develop .pagination ul li.active:hover {
+  background-color: #F80;
+}
+.slideshow-develop .item hr {
+  margin:5px 0 10px;
+}
+.slideshow-develop .item p {
+  margin:10px 0;
+}
+.slideshow-develop .item p.title-intro {
+  position:absolute;
+  margin:0;
+}
+
+/* Feeds */
+.feed ul {
+  margin: 0;
+}
+.feed .feed-nav {
+  height: 25px;
+  border-bottom: 1px solid #CCC;
+}
+.feed .feed-nav li {
+  list-style: none;
+  float: left;
+  height: 21px; /* +4px bottom border = 25px; same as .feed-nav */
+  margin-right: 25px;
+  cursor: pointer;
+}
+.feed .feed-nav li.active {
+  color: #000;
+  border-bottom: 4px solid #F80;
+}
+.feed .feed-container {
+  overflow: hidden;
+  width: 460px;
+}
+.feed .feed-container .feed-frame {
+  width: 1000px;
+}
+.feed .feed-container .feed-frame ul {
+  float: left;
+  width:460px;
+}
+.feed .feed-container .feed-frame ul ul {
+  float: none;
+  margin:10px 0 0 30px;
+}
+.feed .feed-container .feed-frame li {
+  list-style: none;
+  margin: 20px 0 20px 0;
+  width: 460px;
+  height:93px;
+}
+.feed .feed-container .feed-frame li.playlist {
+  height:auto;
+}
+.feed .feed-container .feed-frame li.playlist a {
+  height:93px;
+  display:block;
+}
+.feed .feed-container .feed-frame li.more {
+  height:20px;
+  margin:10px 0 5px 5px;
+}
+.feed .feed-container .feed-frame li.more a {
+  height:inherit;
+}
+.feed .feed-container .feed-frame li.playlist-video {
+  list-style: none;
+  margin: 0;
+  width: 460px;
+  height:55px;
+  font-size:12px;
+}
+.feed .feed-container .feed-frame li.playlist-video a {
+  height:45px;
+  padding:5px;
+}
+.feed .feed-container .feed-frame li.playlist-video h5 {
+  font-size:12px;
+  line-height:13px;
+  padding:0;
+}
+.feed .feed-container .feed-frame li.playlist-video p {
+  margin:5px 0 0;
+  line-height:15px;
+}
+.feed-container .feed-frame div.feed-image {
+  float: left;
+  border: 1px solid #999;
+  margin:0 20px 0 0;
+  width:122px;
+  height:92px;
+  background:url('../images/blog-default.png') no-repeat 0 0;
+  background-size:180px;
+}
+#jd-content .feed .feed-container .feed-frame li img {
+  float: left;
+  border: 1px solid #999;
+  margin:0 20px 0 0;
+  width:122px;
+  height:92px;
+}
+#jd-content .feed .feed-container .feed-frame li.playlist-video img {
+  width:inherit;
+  height:inherit;
+}
+
+.feed .feed-container .feed-frame li a,
+.feed .feed-container .feed-frame li a:active {
+  color:#555 !important;
+}
+
+.feed .feed-container .feed-frame li a:hover,
+.feed .feed-container .feed-frame li a:hover * {
+  color:#7AA1B0 !important;
+}
+
+/* Video player */
+#player-wrapper {
+  display:none;
+  margin: -1px auto 0;
+  position: relative;
+  max-width: 940px;
+  height: 0px;
+}
+#player-frame {
+  background: #EFEFEF;
+  border: 1px solid #CCC;
+  padding: 0px 207px;
+  z-index: 10; /* stay above marque, but below search suggestions */
+  width: 525px;
+  height: 330px;
+  position: relative;
+}
+#player-frame .close {
+  position: absolute;
+  right: 8px;
+  bottom: 4px;
+  width: 16px;
+  height: 16px;
+  margin: 0;
+  text-indent: -1000em;
+  top: 6px;
+  background: url(../images/close.png) no-repeat 0 0;
+  z-index:9999;
+}
+#player-frame .close:hover, #player-frame .close:focus {
+  background-position: -16px 0;
   cursor:pointer;
-  border-right:1px solid #CCC;
 }
 
-.btn-quicknav a {
-  zoom:1;
-  position:absolute;
-  top:13px;
-  left:5px;
-  display:block;
-  text-indent:-9999em;
-  width:10px;
-  height:5px;
-  background:url(../images/quicknav_arrow.png) no-repeat;
-}
 
-.btn-quicknav a.arrow-active {
-  background-position: 0 -5px;
-  display:none;
-}
 
-#header-wrap.quicknav a.arrow-inactive {
-  display:none;
-}
+/************ DEVELOP TOPIC CONTAINERS ************/
+
+.landing-banner,
+.landing-docs {
+  margin:20px 0;
+}
+.landing-banner > div:first-child,
+.landing-docs > div:first-child,
+.landing-docs > .col-12 {
+  margin-left:0;
+  min-height:280px;
+}
+.landing-banner.short > div {
+  min-height:50px;
+}
+.landing-banner > div:last-child,
+.landing-docs > div:last-child,
+.landing-docs > .col-12 {
+  margin-right:0;
+}
+
+.landing-banner > div > *:last-child {
+  margin-bottom:0;
+}
+.landing-banner h1 {
+  padding-top:16px;
+  padding-bottom:24px;
+}
+.landing-docs,
+.landing-banner {
+  clear:both;
+  overflow:hidden;
+}
+.landing-docs h3 {
+  font-size:14px;
+  line-height:21px;
+  color:#555;
+  text-transform:uppercase;
+  border-bottom:1px solid #CCC;
+  padding:0 0 20px;
+}
+.landing-docs a {
+  color:#333 !important;
+}
+
+.landing-docs a:hover,
+.landing-docs a:hover * {
+  color:#7AA1B0 !important
+}
+
+.landing-docs .normal-links a {
+  color:#039BE5 !important;
+}
+
+.plusone {
+  float:right;
+}
+
+
+
+.next-docs {
+  border-top:1px solid #ccc;
+  margin:40px 0 0;
+  padding:5px 0 0;
+  clear:left;
+  overflow:hidden;
+}
+.next-docs div:first-child {
+  margin-left:0;
+}
+.next-docs div:last-child {
+  margin-right:0;
+}
+
+.next-docs h2 {
+  font-size:14px;
+  line-height:21px;
+  color:#555;
+  text-transform:uppercase;
+  border-bottom:none;
+  padding:5px 0 1em;
+}
+
+
+
+/************* HOME/LANDING PAGE *****************/
+
+.slideshow-home {
+  height: 500px;
+  width: 940px;
+  border-bottom: 1px solid #CCC;
+  position: relative;
+  margin: 0;
+}
+.slideshow-home .frame {
+  width: 940px;
+  height: 500px;
+}
+.slideshow-home .content-left {
+  float: left;
+  text-align: center;
+  vertical-align: center;
+  margin: 0 0 0 35px;
+}
+.slideshow-home .content-right {
+  margin: 80px 0 0 0;
+}
+.slideshow-home .content-right p {
+  margin-bottom: 10px;
+}
+.slideshow-home .content-right p:last-child {
+  margin-top: 15px;
+}
+.slideshow-home .content-right h1 {
+  padding:0;
+}
+.slideshow-home .item {
+  height: 500px;
+  width: 940px;
+}
+.home-sections {
+  padding: 30px 20px 20px;
+  margin: 20px 0;
+  background: -webkit-linear-gradient(top, #F6F6F6,#F9F9F9);
+}
+.home-sections ul {
+  margin: 0;
+}
+.home-sections ul li {
+  float: left;
+  display: block;
+  list-style: none;
+  width: 170px;
+  height: 35px;
+  border: 1px solid #ccc;
+  background: white;
+  margin-right: 10px;
+  border-radius: 1px;
+  -webkit-border-radius: 1px;
+  -moz-border-radius: 1px;
+  box-shadow: 1px 1px 5px #EEE;
+  -webkit-box-shadow: 1px 1px 5px #EEE;
+  -moz-box-shadow: 1px 1px 5px #EEE;
+  background: white;
+}
+.home-sections ul li:hover {
+  background: #F9F9F9;
+  border: 1px solid #CCC;
+}
+.home-sections ul li a,
+.home-sections ul li a:hover {
+  font-weight: bold;
+  margin-top: 8px;
+  line-height: 18px;
+  float: left;
+  width: 100%;
+  text-align: center;
+  color: #039BE5 !important;
+}
+.home-sections ul li a {
+  font-weight: bold;
+  margin-top: 8px;
+  line-height: 18px;
+  float: left;
+  width:100%;
+  text-align:center;
+}
+.home-sections ul li img {
+  float: left;
+  margin: -8px 0 0 10px;
+}
+.home-sections ul li.last {
+  margin-right: 0px;
+}
+
+/************ DISTRIBUTE PAGES ******************/
+
+.article-detail #body-content {
+  padding-top: 10px;
+}
+
+/* A container for grid sets with uppercase h3 and rule */
+.dynamic-grid h3 {
+  font-size:14px;
+  line-height:21px;
+  color:#555;
+  text-transform:uppercase;
+  border-bottom:1px solid #CCC;
+  padding:8px 0 14px 1px;
+  clear:both;
+}
+
+.top-right-float {
+  float: right;
+}
+
+.clearfloat {
+  float: none;
+  clear: both;
+}
+
+
+/**
+ * UTILITIES
+ */
+
+
+.border-box {
+  box-sizing: border-box;
+}
+
+.vertical-center-outer {
+  display: table;
+  height: 100%;
+  width: 100%;
+}
+
+.vertical-center-inner {
+  display: table-cell;
+  vertical-align: middle;
+}
+
+/**
+ * TYPE STYLES
+ */
+
+.landing-h1 {
+  color: #44555d;
+  font-weight: 300;
+  font-size: 56px;
+  line-height: 80px;
+  text-align: center;
+  letter-spacing: -1px;
+  padding-bottom: 6px;
+}
+
+.landing-pre-h1 {
+  font-weight: 400;
+  font-size: 28px;
+  color: #93B73F;
+  line-height: 36px;
+  text-align: center;
+  letter-spacing: -1px;
+  text-transform: uppercase;
+}
+
+.landing-h1.hero {
+  text-align: left;
+  color: #fff;
+}
+
+.landing-h2 {
+  font-weight: 300;
+  font-size: 42px;
+  line-height: 64px;
+  text-align: center;
+}
+
+.landing-subhead {
+  color: #78868d;
+  font-size: 20px;
+  font-weight: 300;
+  line-height: 32px;
+  text-align: center;
+}
+.landing-subhead.hero {
+  text-align: left;
+  color: white;
+}
+
+.landing-hero-description {
+  text-align: left;
+  margin: 1em 0;
+}
+
+.landing-hero-description p {
+  font-weight: 300;
+  margin: 0;
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.landing-body .landing-small {
+  font-size: 14px;
+  line-height: 19px;
+}
+
+.landing-body.landing-align-center {
+  text-align: center;
+}
+
+.landing-align-left {
+  text-align: left;
+}
+
+/**
+ * LAYOUT
+ */
+
+.landing-section {
+  background: #eceff1;
+  clear: both;
+  padding: 80px 20px 80px;
+  margin: 0 -20px;
+  text-rendering: optimizeLegibility;
+}
+
+@media (max-width: 719px) {
+  .landing-section {
+    margin-left: -10px;
+    margin-right: -10px;
+    padding-left: 10px;
+    padding-right: 10px;
+  }
+}
+
+.landing-short-section {
+  padding: 40px 10px 28px;
+}
+
+.landing-gray-background {
+  background-color: #b0bec5;
+}
+
+.landing-white-background {
+  background-color: white;
+}
+
+.landing-red-background {
+  color: white;
+  background-color: hsl(8, 70%, 54%);
+}
+
+.landing-red-background .landing-h1 {
+  color: white;
+}
+
+.landing-red-background .landing-subhead {
+  color: hsl(8, 71%, 84%);
+  text-align: left;
+}
+
+
+.preview-hero {
+  height: calc(100vh - 128px);
+  min-height: 504px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../preview/images/hero.jpg);
+  background-size: cover;
+  background-position: right center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.wear-hero {
+  height: calc(100vh - 128px);
+  min-height: 504px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../wear/images/hero.jpg);
+  background-size: cover;
+  background-position: top center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.tv-hero {
+  height: calc(100vh - 128px);
+  min-height: 504px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../tv/images/hero.jpg);
+  background-size: cover;
+  background-position: right center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.auto-hero {
+  height: calc(100vh - 128px);
+  min-height: 504px;
+  padding-top: 0;
+  padding-bottom: 0;
+  background-image: url(../../auto/images/hero.jpg);
+  background-size: cover;
+  background-position: right center;
+  color: white;
+  position: relative;
+  overflow: hidden;
+}
+
+.landing-hero-scrim {
+  background: black;
+  height: 100%;
+  left: 0;
+  position: absolute;
+  opacity: .2;
+  width: 100%;
+}
+
+.landing-hero-wrap {
+  margin: 0 auto;
+  max-width: 940px;
+  clear: both;
+  height: 100%;
+  position: relative;
+}
+
+.landing-section-header {
+  margin-bottom: 40px;
+}
+
+.landing-hero-wrap .landing-section-header {
+  margin-bottom: 16px;
+}
+
+.landing-body {
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.landing-video-link {
+  white-space: nowrap;
+  display: inline-block;
+  padding: 16px 32px 16px 82px;
+  font-size: 18px;
+  font-weight: 400;
+  line-height: 24px;
+  cursor: pointer;
+  color: hsla(0, 0%, 100%, .8);
+  -webkit-user-select: none;
+     -moz-user-select: none;
+       -o-user-select: none;
+  user-select: none;
+  -webkit-transition: .2s color ease-in-out;
+     -moz-transition: .2s color ease-in-out;
+       -o-transition: .2s color ease-in-out;
+  transition: .2s color ease-in-out;
+}
+
+.landing-video-link:before {
+  height: 64px;
+  width: 64px;
+  display: inline-block;
+  background-image: url(data:image/png;base64,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);
+  background-size: contain;
+  position: absolute;
+  content: "";
+  opacity: .7;
+  margin-top: -19px;
+  margin-left: -64px;
+  -webkit-transition: .2s opacity ease-in-out;
+     -moz-transition: .2s opacity ease-in-out;
+       -o-transition: .2s opacity ease-in-out;
+  transition: .2s opacity ease-in-out;
+}
+
+.landing-video-link:hover {
+  color: hsla(0, 0%, 100%, 1);
+}
+
+.landing-video-link:hover:before {
+  opacity: 1;
+}
+
+.landing-social-image {
+  float: left;
+  margin-right: 14px;
+  height: 64px;
+  width: 64px;
+}
+
+.landing-social-copy {
+  padding-left: 78px;
+}
+
+.landing-scroll-down-affordance {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  text-align: center;
+  z-index: 10;
+}
+
+.landing-down-arrow {
+  padding: 24px;
+  display: inline-block;
+  opacity: .5;
+  -webkit-transition: .2s opacity ease-in-out;
+     -moz-transition: .2s opacity ease-in-out;
+       -o-transition: .2s opacity ease-in-out;
+  transition: .2s opacity ease-in-out;
+
+  -webkit-animation-name: pulse-opacity;
+  -webkit-animation-duration: 4s;
+}
+
+.landing-down-arrow:hover {
+  opacity: 1;
+}
+
+.landing-down-arrow img {
+  height: 28px;
+  width: 28px;
+  margin: 0 auto;
+  display: block;
+}
+
+.landing-divider {
+  display: inline-block;
+  height: 2px;
+  background-color: white;
+  position: relative;
+  margin: 10px 0;
+}
+
+/* 3 CLOLUMN LAYOUT */
+
+.landing-breakout {
+  margin-top: 40px;
+  margin-bottom: 40px;
+}
+
+.landing-breakout img {
+  margin-bottom: 20px;
+}
+
+.landing-partners img {
+  margin-bottom: 20px;
+}
+
+.landing-breakout p {
+  padding: 0 23px;
+}
+
+.landing-breakout.landing-partners img {
+  margin-bottom: 20px;
+}
+
+/**
+ * ANIMATION
+ */
+
+@-webkit-keyframes pulse-opacity {
+  0% {
+    opacity: .5;
+  }
+  20% {
+    opacity: .5;
+  }
+  40% {
+    opacity: 1;
+  }
+  60% {
+    opacity: .5;
+  }
+  80% {
+    opacity: 1;
+  }
+  100% {
+    opacity: .5;
+  }
+}
+
+
+/******************
+Styles for d.a.c/index:
+*******************/
+
+
+
+/* Generic full screen carousel styling to be used across pages. */
+.fullscreen-carousel {
+  margin: 0 -20px;
+  overflow: hidden;
+  position: relative;
+}
+
+.fullscreen-carousel-content {
+  width: 100%;
+  height: 100%;
+  position: relative;
+  display: table; /* For vertical centering */
+}
+
+.fullscreen-carousel .vcenter {
+  display: table-cell;
+  vertical-align: middle;
+  position: relative;
+}
+
+.fullscreen-carousel .vcenter > div {
+  margin: 10px auto;
+}
+
+/* Styles for the full-bleed hero image type. */
+.fullscreen-carousel .hero, .fullscreen-carousel .hero h1 {
+  color: #fff;
+}
+
+.fullscreen-carousel .hero h1 {
+  font-weight: 300;
+  font-size: 60px;
+  line-height: 68px;
+  letter-spacing: -1px;
+  padding-top: 0;
+}
+
+.fullscreen-carousel .hero p {
+  font-weight: 300;
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.fullscreen-carousel .hero .hero-bg {
+  background-size: cover;
+  width: 100%;
+  height: 100%;
+  position: absolute;
+  left: 0px;
+  top: 0px;
+}
+
+
+/* Full screen carousel styling for the resource flow layout type of content */
+.fullscreen-carousel .resource-flow-layout:after {
+  height: 0; /* Dont know why this is set at 10 in default.css */
+}
+
+.fullscreen-carousel .resource-flow-layout {
+  margin-bottom: 20px;
+}
+
+
+
+/* Generic Tab carousel styling to be used across multiple pages. */
+
+.tab-carousel .tab-nav {
+  list-style: none;
+  position: relative;
+  text-align: center;
+}
+
+.tab-carousel .tab-nav li {
+  display: inline-block;
+  font-size: 22px;
+  font-weight: 400;
+  line-height: 50px;
+  list-style: none;
+  margin: 0;
+  padding: 0 25px;
+  position: relative;
+}
+
+.tab-carousel .tab-nav li a,
+.tab-carousel .tab-nav li a:hover {
+  color: #333 !important;
+  padding: 10px 10px 13px 10px;
+  position: relative;
+  z-index: 1000;
+}
+
+.tab-carousel .tab-nav li:after {
+  background: #ddd;
+  bottom: 0;
+  content: '';
+  height: 4px;
+  left: 0;
+  position: absolute;
+  width: 100%;
+  z-index: 0;
+}
+
+.tab-carousel .tab-nav .highlight {
+  position: absolute;
+  height: 4px;
+  width: 100px;
+  bottom: 0;
+  background: #33b5e5;
+}
+
+.tab-carousel .tab-carousel-content {
+  position: relative;
+  overflow: hidden;
+  white-space: nowrap;
+}
+
+.tab-carousel .tab-carousel-content [data-tab] {
+  display: inline-block;
+  white-space: normal;
+}
+
+
+
+/*
+  Resource styling for the tab carousel. The tab carousel contains either
+  a 3 column layout of resources or a single full-width resource. The
+  latter has the 18x12 class applied to it and can be styled differently
+  that way.
+*/
+
+.tab-carousel .resource .image {
+  width: 100%;
+  height: 250px;
+  background-repeat: no-repeat;
+  background-size: contain;
+  background-position: 50% 50%;
+}
+
+.tab-carousel .resource .info .title {
+  font-size: 18px;
+  line-height: 24px;
+}
+
+.tab-carousel .resource .info .summary,
+.tab-carousel .resource .info .cta {
+  line-height: 24px;
+  font-size: 16px;
+}
+
+.tab-carousel .resource-card-18x12 {
+  position: relative;
+  padding-left: 450px;
+  box-sizing: border-box;
+  display: table-cell;
+  vertical-align: middle;
+}
+
+.tab-carousel .resource-card-18x12 .image {
+  position: absolute;
+  width: 420px;
+  height: 100%;
+  left: 0;
+  top: 0;
+}
+
+.tab-carousel .resource-card-18x12 .info {
+  display: inline-block;
+}
+
+.tab-carousel .resource-card-18x12 .info .title {
+  margin-bottom: 26px;
+}
+
+/*
+  Specific styles for new home page layout of the carousels.
+*/
+
+/* Big blue button */
+a.home-new-cta-btn,
+.home-new-carousel-1 .resource-card-18x6 .cta {
+  white-space: nowrap;
+  display: inline-block;
+  padding: 14px 32px;
+  font-size: 18px;
+  font-weight: 500;
+  line-height: 24px;
+  cursor: pointer;
+  background: #33b5e6;
+  border-radius: 4px;
+  margin-top: 20px;
+  color: #fff;
+  transition: 0.2s background-color ease-in-out;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .cta:after {
+  display: none; /* Hide the entity for this button */
+}
+
+a.home-new-cta-btn:hover,
+.home-new-carousel-1 .resource-card-18x6 .cta:hover {
+  color: #fff !important;
+  background: #2d9fca;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .cta {
+  position: absolute;
+  bottom: 20px;
+  left: 16px;
+}
+
+/* Fullscreen carousel. */
+.home-new-carousel-1 {
+  max-height: 700px; /* Set max height so doesn't get too long */
+}
+
+.home-new-carousel-1 .fullscreen-carousel-content {
+  min-height: 450px;  /* Set min height for all content */
+}
+
+.home-new-carousel-1 .hero {
+  background: #000;
+}
+
+.home-new-carousel-1 .hero-bg {
+  background-image: url(/home-new/images/hero.jpg);
+  background-position: right center;
+  opacity: 0.85;
+}
+
+/*
+  Styling for special top card of full screen layout resource layout.
+  We need to specifically style the 18x6 card to adjust its size and layout,
+  since it's not a standard card, not sure if this is unique to the home page
+  layout or should be namespaced within the fullscreen-carousel container.
+*/
+.home-new-carousel-1 .resource-flow-layout.col-16 .resource-card-18x6 {
+  height: 320px;
+  background-color:#F9F9F9;
+  border-radius: 0px;
+  box-shadow: 0px 0px 0px rgba(0, 0, 0, 0);
+
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-bg {
+  width: 636px;
+  height: 100%;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info {
+  right: 0px;
+  left: 636px;
+  height: 100%;
+  top: 0px;
+  padding: 15px 22px;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info .util {
+  display: none;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info .title {
+  font-size: 20px;
+  font-weight: 500;
+  margin-top: 15px;
+  margin-bottom: 15px;
+}
+
+.home-new-carousel-1 .resource-card-18x6 .card-info .text {
+  font-size: 15px;
+  line-height: 21px;
+}
+
+
+/* Tabbed carousel. */
+.home-new-carousel-2 {
+  margin: 35px auto 100px auto;
+}
+
+.home-new-carousel-2 h1 {
+  font-size: 47px;
+  font-weight: 100;
+  line-height: 54px;
+  text-align: center;
+}
+
+.annotation-message {
+    display: block;
+    font-style: italic;
+    color: #F80;
+}
+
+
+
+/* Helpouts widget */
+.resource-card-6x2.helpouts-card {
+  width: 255px;
+  height: 40px;
+  position:absolute;
+  z-index:999;
+  top:-8px;
+  right:1px;
+}
+
+.resource-card-6x2.helpouts-card > .card-info {
+  left:35px;
+  height:35px;
+  padding:4px 8px 4px 0;
+}
+
+.resource-card-6x2.helpouts-card > .card-info .helpouts-description {
+  display:block;
+  overflow:visible;
+  font-size:12px;
+  line-height:12px;
+  text-align:right;
+  color:#666;
+}
+
+.helpouts-description .link-color {
+  text-transform: uppercase;
+}
+
+.resource-card-6x2 > .card-bg.helpouts-card-bg {
+  width:35px;
+  height:35px;
+  margin:2px 0 0 0;
+  background-image: url(../images/styles/helpouts-logo-35_2x.png);
+  background-image: -webkit-image-set(url(../images/styles/helpouts-logo-35.png) 1x, url(../images/styles/helpouts-logo-35_2x.png) 2x);
+}
+
+.resource-card-6x2 > .card-bg.helpouts-card-bg:after {
+  display:none;
+}
+
+#tb li:before, #qv li:before {
+  background-position: 0px -196px;
+  height: 24px;
+  width: 24px;
+  content: '';
+  left: -8px;
+  opacity: .7;
+  position: absolute;
+  top: -4px;
+}
+
+/* CHANGE EXISTING SELECTOR FOR ANDROID M HERO ONLY
+   REMOVE THE BELOW STYLES WHEN THE ANDROID M CAROUSEL
+   GRAPHIC ON THE MAIN LANDING IS TAKEN DOWN */
+.dac-hero.mprev {
+  background-color: #fff;
+  background-position: 50% 53%;
+  background-size: cover;
+  background-image: url(../images/home/android_m_hero_1200.jpg);
+  box-sizing: border-box;
+  font-size: 16px;
+  min-height: 550px;
+  padding-top: 88px;
+}
+.dac-hero.dac-darken.mprev::before {
+  background: rgba(0, 0, 0, 0.3);
+  bottom: 0;
+  content: '';
+  display: block;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+}
+
+.dac-hero.dac-darken.mprev::before {
+  background: -webkit-linear-gradient(top, rgba(0, 0, 0, .05), rgba(0, 0, 0, .05), #000 950px);
+  background: linear-gradient(to bottom, rgba(0, 0, 0, .05), rgba(0, 0, 0, 0.05), #000 950px);
+}
+
+@media (max-width: 719px) {
+  .dac-hero.dac-darken.mprev {
+    background-size: auto 600px;
+    background-position: 55% 0;
+    background-repeat: no-repeat;
+  }
+
+  .dac-hero-figure.mprev {
+    height: 10px;
+    margin: 15px 0;
+  }
+}
+
+@media (max-width: 719px) {
+  .dac-hero.dac-darken.mprev {
+    background-size: auto 600px;
+    background-position: 55% 0;
+    background-repeat: no-repeat;
+  }
+
+  .dac-hero-figure.mprev {
+    height: 10px;
+    margin: 15px 0;
+  }
+}
+
+@media (max-width: 1200px) {
+  .dac-hero.dac-darken.mprev {
+    background-size: auto 700px;
+    background-position: 55% 0;
+    background-repeat: no-repeat;
+  }
+
+  .dac-hero-cta.mprev {
+    white-space:nowrap;
+  }
+}
+
+@charset "UTF-8";
+/**
+ * Fades out an element.
+ * Applies visibility hidden when the transition is finished.
+ *
+ * Use opacity: 1; to show the element.
+ */
+.dac-visible-mobile-block, .dac-mobile-only,
+.dac-visible-mobile-inline,
+.dac-visible-mobile-inline-block,
+.dac-visible-tablet-block,
+.dac-visible-tablet-inline,
+.dac-visible-tablet-inline-block,
+.dac-visible-desktop-block,
+.dac-visible-desktop-inline,
+.dac-visible-desktop-inline-block {
+  display: none !important;
+}
+
+@media (max-width: 719px) {
+  .dac-hidden-mobile {
+    display: none !important;
+  }
+
+  .dac-visible-mobile-block, .dac-mobile-only {
+    display: block !important;
+  }
+
+  .dac-visible-mobile-inline {
+    display: inline !important;
+  }
+
+  .dac-visible-mobile-inline-block {
+    display: inline-block !important;
+  }
+}
+
+@media (min-width: 720px) and (max-width: 979px) {
+  .dac-hidden-tablet {
+    display: none !important;
+  }
+
+  .dac-visible-tablet-block {
+    display: block !important;
+  }
+
+  .dac-visible-tablet-inline {
+    display: inline !important;
+  }
+
+  .dac-visible-tablet-inline-block {
+    display: inline-block !important;
+  }
+}
+
+@media (min-width: 980px) {
+  .dac-hidden-desktop {
+    display: none !important;
+  }
+
+  .dac-visible-desktop-block {
+    display: block !important;
+  }
+
+  .dac-visible-desktop-inline {
+    display: inline !important;
+  }
+
+  .dac-visible-desktop-inline-block {
+    display: inline-block !important;
+  }
+}
+
+.dac-offset-parent {
+  position: relative !important;
+}
+
+/**
+ * Hide from browsers/screenreaders on all sizes.
+ */
+.dac-hidden {
+  display: none !important;
+}
+
+/**
+ * Break strings when their length exceeds the width of their container.
+ */
+.dac-text-break {
+  word-wrap: break-word !important;
+}
+
+/**
+ * Horizontal text alignment
+ */
+.dac-text-center {
+  text-align: center !important;
+}
+
+.dac-text-left {
+  text-align: left !important;
+}
+
+.dac-text-right {
+  text-align: right !important;
+}
+
+/**
+ * Prevent whitespace wrapping
+ */
+.dac-text-no-wrap {
+  white-space: nowrap !important;
+}
+
+/**
+ * Prevent text from wrapping onto multiple lines, instead truncate with an ellipsis.
+ */
+.dac-text-truncate {
+  max-width: 100%;
+  overflow: hidden !important;
+  text-overflow: ellipsis !important;
+  white-space: nowrap !important;
+  word-wrap: normal !important;
+}
+
+/**
+ * Floats
+ */
+.dac-float-left {
+  float: left !important;
+}
+
+.dac-float-right {
+  float: right !important;
+}
+
+/**
+ * New block formatting context
+ *
+ * This affords some useful properties to the element. It won't wrap under
+ * floats. Will also contain any floated children.
+ * N.B. This will clip overflow. Use the alternative method below if this is
+ * problematic.
+ */
+.dac-nbfc {
+  overflow: hidden !important; }
+
+/**
+ * New block formatting context (alternative)
+ *
+ * Alternative method when overflow must not be clipped.
+ *
+ * N.B. This breaks down in some browsers when elements within this element
+ * exceed its width.
+ */
+.dac-nbfc-alt {
+  display: table-cell !important;
+  width: 10000px !important; }
+
+/* New CSS */
+/************ RESOURCE CARDS ******************/
+/* Basic card-styling with shadow */
+.resource-card {
+  background: #fff;
+  box-shadow: 0px 1px 3px 0px rgba(0, 0, 0, 0.21);
+  display: block;
+  position: relative; }
+
+/* Play button is only visible on 6by6 cards */
+.play-button {
+  background-color: #000;
+  border-radius: 50%;
+  box-sizing: border-box;
+  display: none;
+  height: 70px;
+  line-height: 65px;
+  padding-left: 4px;
+  position: absolute;
+  opacity: .6;
+  text-align: center;
+  -webkit-transition: opacity .5s;
+          transition: opacity .5s;
+  width: 70px;
+  z-index: 1; }
+  .resource-card-6x2 .play-button {
+    display: block;
+    left: 10px;
+    top: 15px;
+    -webkit-transform: scale(0.73);
+        -ms-transform: scale(0.73);
+            transform: scale(0.73); }
+  .resource-card-6x6 .play-button {
+    display: block;
+    left: 50%;
+    margin-left: -35px;
+    top: 50px; }
+
+/* Styling for background image including tinting and section icons in stacks */
+.card-bg {
+  bottom: 131px;
+  display: block;
+  position: absolute;
+  vertical-align: top;
+  width: 100%;
+  left: 0;
+  top: 0;
+  background-size: cover;
+  background-repeat: no-repeat;
+  background-position: center;
+  background-image: url(../images/resource-card-default-android.jpg); }
+  .card-bg:after {
+    content: "";
+    display: block;
+    height: 100%;
+    width: 100%;
+    opacity: 1;
+    background: rgba(0, 0, 0, 0.05);
+    -webkit-transition: opacity 0.5s;
+            transition: opacity 0.5s; }
+  .static .card-bg:after {
+    display: none; }
+  .card-bg .card-section-icon {
+    position: absolute;
+    top: 50%;
+    width: 100%;
+    margin-top: -35px;
+    text-align: center;
+    padding-top: 65px;
+    z-index: 100; }
+    .card-bg .card-section-icon .icon {
+      position: absolute;
+      left: 50%;
+      margin-left: -28px;
+      top: 0px;
+      width: 56px;
+      height: 56px;
+      background-repeat: no-repeat;
+      background-position: 50% 50%;
+      background-image: url(../images/stack-icon.png); }
+    .card-bg .card-section-icon .section {
+      text-transform: uppercase;
+      color: white;
+      font-size: 14px; }
+
+.card-info {
+  position: absolute;
+  box-sizing: border-box;
+  height: 131px;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  overflow: hidden;
+  background: #fefefe;
+  padding: 6px 12px;
+}
+
+.card-info .section {
+  color: #898989;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: .3px;
+  line-height: 20px;
+  text-transform: uppercase;
+}
+
+.card-info .title {
+  color: #333;
+  font-size: 18px;
+  font-weight: 500;
+  line-height: 23px;
+  margin-bottom: 7px;
+  max-height: 46px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: normal;
+}
+
+.card-info .description {
+  overflow: hidden;
+}
+
+.card-info .description .text {
+  color: #666;
+  font-size: 14px;
+  height: 60px;
+  line-height: 20px;
+  overflow: hidden;
+  width: 100%;
+}
+
+.card-info .description .util {
+  position: absolute;
+  right: 5px;
+  bottom: 70px;
+  opacity: 0;
+  -webkit-transition: opacity 0.5s;
+  transition: opacity 0.5s;
+}
+
+.card-info.empty-desc .title {
+  white-space: normal;
+  overflow: visible;
+}
+
+.card-info.empty-desc .description {
+  display: none;
+}
+
+/* Resource card with icon instead of bg image */
+.resource-widget-card-icon {
+  text-align: center;
+}
+
+.card-icon {
+  margin: 20px 0 0;
+}
+
+.resource-widget-card-icon .card-info {
+  height: 210px;
+}
+
+.resource-widget-card-icon .card-info .title {
+  color: #333;
+  line-height: 24px;
+}
+
+.resource-widget-card-icon .card-bg {
+  background: none;
+  bottom: 220px;
+  opacity: 1;
+  top: 30px;
+  -webkit-transition: opacity .3s;
+  transition: opacity .3s;
+}
+
+.resource-widget-card-icon .resource-card:hover .card-bg {
+  opacity: .5;
+}
+
+.resource-widget-card-icon .card-bg img {
+  max-height: 100%;
+}
+
+.resource-widget-card-icon .card-bg::after {
+  background: transparent;
+}
+
+@media (min-width: 1210px) {
+  .resource-widget-card-icon .resource {
+    height: 240px;
+  }
+  .resource-widget-card-icon .card-bg {
+    bottom: 160px;
+  }
+  .resource-widget-card-icon .card-info {
+    height: 160px;
+  }
+}
+
+@media (max-width: 979px) {
+  .resource-widget-card-icon .resource {
+    height: 240px;
+  }
+  .resource-widget-card-icon .card-bg {
+    bottom: 160px;
+  }
+
+  .resource-widget-card-icon .card-info {
+    height: 160px;
+  }
+}
+
+/* Truncate card summaries at bounding box and
+ * and apply ellipsis at lower right */
+.ellipsis {
+  overflow: hidden;
+  float: right;
+  line-height: 15px;
+  width: 100%; }
+  .ellipsis:before {
+    content: "";
+    float: left;
+    width: 5px;
+    height: 100%; }
+  .ellipsis > *:first-child.text {
+    float: right;
+    width: 100% !important;
+    margin-left: -5px; }
+  .ellipsis:after {
+    content: "\02026";
+    height: 17px;
+    padding-bottom: 4px;
+    box-sizing: content-box;
+    float: right;
+    position: relative;
+    top: -16px;
+    left: 100%;
+    width: 4em;
+    margin-left: -4em;
+    padding-right: 5px;
+    background: -webkit-gradient(linear, left top, right top, from(rgba(255, 255, 255, 0)), to(white), color-stop(65%, white));
+    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0), white 65%, white);
+    background: linear-gradient(to right, rgba(255, 255, 255, 0), white 65%, white); }
+  .ellipsis:after {
+    font-style: normal;
+    color: #aaa;
+    font-size: 13px;
+    text-align: right; }
+
+.resource-card:hover {
+  cursor: pointer; }
+  .static .resource-card:hover {
+    cursor: auto; }
+  .resource-card:hover .card-bg:after {
+    opacity: 0; }
+  .resource-card:hover .play-button {
+    opacity: .3; }
+  .resource-card:hover .card-info .description .util {
+    opacity: 1; }
+
+/* Carousel Layout */
+/* Carousel styles for landing page */
+.resource-carousel-layout {
+  height: 531px;
+  margin: 20px 0 20px 0;
+  padding: 0 !important;
+  position: relative;
+  overflow: hidden; }
+  .resource-carousel-layout .slideshow-prev, .resource-carousel-layout .slideshow-next {
+    display: none; }
+  .resource-carousel-layout .pagination {
+    bottom: 97px;
+    left: auto;
+    padding-right: 10px;
+    right: 0;
+    text-align: right;
+    width: 16.66666667%; }
+    .resource-carousel-layout .pagination ul li {
+      text-indent: 8000px; }
+  .resource-carousel-layout .frame li {
+    position: relative; }
+    .resource-carousel-layout .frame li .card-bg {
+      bottom: 131px; }
+    .resource-carousel-layout .frame li .card-info {
+      height: 131px;
+      padding: 6px 12px;
+      top: auto; }
+      .resource-carousel-layout .frame li .card-info .title {
+        font-size: 28px;
+        font-weight: 400;
+        line-height: 32px; }
+      .resource-carousel-layout .frame li .card-info .description .text {
+        height: 40px; }
+      .resource-carousel-layout .frame li .card-info .description .util {
+        bottom: 97px;
+        right: 4px; }
+
+/* Stack Layout */
+.resource-stack-layout {
+  display: inline-block;
+  padding: 0; }
+  .resource-stack-layout .section-card-menu > .card-info .section, .resource-stack-layout .section-card > .card-info .title {
+    /*text-transform: uppercase;*/
+    color: #898989;
+    font-size: 17px;
+    line-height: 23px;
+    margin-bottom: 6px; }
+  .resource-stack-layout .section-card {
+    height: 284px; }
+    .resource-stack-layout .section-card > .card-bg {
+      height: 192px; }
+    .resource-stack-layout .section-card > .card-info {
+      padding: 4px 12px 6px 12px;
+      top: 192px; }
+      .resource-stack-layout .section-card > .card-info .section {
+        display: none; }
+      .resource-stack-layout .section-card > .card-info .title {
+        font-size: 17px;
+        border-bottom: 1px solid #959595;
+        padding-bottom: 0px; }
+      .resource-stack-layout .section-card > .card-info .description {
+        font-size: 13px;
+        line-height: 15px; }
+        .resource-stack-layout .section-card > .card-info .description .text {
+          height: 30px; }
+  .resource-stack-layout .related-card {
+    height: 90px; }
+    .resource-stack-layout .related-card > .card-bg {
+      left: 0;
+      top: 0;
+      width: 90px;
+      height: 100%;
+      position: absolute;
+      display: block; }
+    .resource-stack-layout .related-card > .card-info {
+      left: 90px;
+      padding: 4px 12px 4px 12px; }
+      .resource-stack-layout .related-card > .card-info .section {
+        font-size: 12px;
+        margin-bottom: 1px;
+        display: none; }
+      .resource-stack-layout .related-card > .card-info .title {
+        font-size: 16px;
+        margin-bottom: -2px;
+        white-space: normal;
+        overflow: visible;
+        text-overflow: ellipsis; }
+        .resource-stack-layout .related-card > .card-info .title:after {
+          content: url(../images/link-out.png);
+          display: block; }
+      .resource-stack-layout .related-card > .card-info .description {
+        display: none; }
+  .resource-stack-layout .section-card-menu {
+    /* Flexible height */
+    display: block;
+    height: auto;
+    width: auto; }
+    .resource-stack-layout .section-card-menu .card-bg {
+      height: 155px;
+      /* Flexible height */
+      position: relative;
+      display: inline-block;
+      vertical-align: top; }
+    .resource-stack-layout .section-card-menu .card-info {
+      padding: 4px 12px 0px 12px;
+      /* Flexible height */
+      position: relative;
+      left: auto;
+      top: auto;
+      right: auto;
+      bottom: auto; }
+      .resource-stack-layout .section-card-menu .card-info ul {
+        list-style: none;
+        margin: 0; }
+        .resource-stack-layout .section-card-menu .card-info ul li {
+          list-style: none;
+          margin: 0;
+          padding: 15px 0;
+          border-top-width: 1px;
+          border-top-style: solid;
+          border-top-color: #959595; }
+          .resource-stack-layout .section-card-menu .card-info ul li a, .resource-stack-layout .section-card-menu .card-info ul li a:focus, .resource-stack-layout .section-card-menu .card-info ul li a:hover {
+            color: #333 !important; }
+          .resource-stack-layout .section-card-menu .card-info ul li:first-child {
+            border-top: none; }
+          .resource-stack-layout .section-card-menu .card-info ul li:hover .title:after {
+            opacity: 1;
+            -webkit-transition: opacity 0.5s;
+                    transition: opacity 0.5s; }
+          .resource-stack-layout .section-card-menu .card-info ul li:hover .description {
+            max-height: 30px;
+            opacity: 1;
+            -webkit-transition: max-height 0.5s, opacity 1s;
+                    transition: max-height 0.5s, opacity 1s; }
+      .resource-stack-layout .section-card-menu .card-info .title {
+        font-size: 16px;
+        margin-bottom: -2px;
+        position: relative; }
+        .resource-stack-layout .section-card-menu .card-info .title:after {
+          background: url(../images/stack-arrow-right.png);
+          content: '';
+          opacity: 0;
+          -webkit-transition: opacity 0.25s;
+                  transition: opacity 0.25s;
+          position: absolute;
+          right: 0px;
+          top: 3px;
+          width: 10px;
+          height: 15px; }
+      .resource-stack-layout .section-card-menu .card-info .title.more {
+        text-transform: uppercase;
+        color: #898989;
+        display: inline-block; }
+        .resource-stack-layout .section-card-menu .card-info .title.more:after {
+          background: url(../images/stack-arrow-right.png);
+          content: '';
+          display: block;
+          position: absolute;
+          right: -20px;
+          top: 3px;
+          width: 10px;
+          height: 15px; }
+      .resource-stack-layout .section-card-menu .card-info .description {
+        max-height: 0px;
+        opacity: 0;
+        overflow: hidden;
+        font-size: 13px;
+        line-height: 15px;
+        /* Hover off */
+        -webkit-transition: max-height 0.5s, opacity 0.5s;
+                transition: max-height 0.5s, opacity 0.5s; }
+        .resource-stack-layout .section-card-menu .card-info .description .text {
+          height: 30px; }
+  .resource-stack-layout:after {
+    content: ".";
+    display: block;
+    height: 0;
+    clear: both;
+    visibility: hidden; }
+
+.resource-card, .resource-card-stack {
+  margin-bottom: 20px; }
+
+.resource-card-row-stack-last {
+  margin-bottom: 0px !important; }
+
+.resource-card-col-stack-last {
+  margin-bottom: 0px !important; }
+
+.resource-card-3x6 {
+  height: 300px; }
+
+.resource-card-3x12 {
+  height: 620px; }
+
+.resource-card-3x18 {
+  height: 940px; }
+
+.resource-card-6x6 {
+  height: 300px; }
+
+.resource-card-6x12 {
+  height: 620px; }
+
+.resource-card-6x18 {
+  height: 940px; }
+
+.resource-card-9x6 {
+  height: 300px; }
+
+.resource-card-9x12 {
+  height: 620px; }
+
+.resource-card-9x18 {
+  height: 940px; }
+
+.resource-card-12x6 {
+  height: 300px; }
+
+.resource-card-12x12 {
+  height: 620px; }
+
+.resource-card-12x18 {
+  height: 940px; }
+
+.resource-card-15x6 {
+  height: 300px; }
+
+.resource-card-15x12 {
+  height: 620px; }
+
+.resource-card-15x18 {
+  height: 940px; }
+
+.resource-card-18x6 {
+  height: 300px; }
+
+.resource-card-18x12 {
+  height: 620px; }
+
+.resource-card-18x18 {
+  height: 940px; }
+
+.resource-card-3x2 {
+  height: 100px; }
+
+.resource-card-3x2x3 {
+  height: 90px;
+  margin-bottom: 15px; }
+
+.resource-card-3x3 {
+  height: 150px; }
+
+.resource-card-3x3x2 {
+  height: 142px;
+  margin-bottom: 16px; }
+
+.resource-card-6x2 {
+  height: 100px; }
+
+.resource-card-6x2x3 {
+  height: 90px;
+  margin-bottom: 15px; }
+
+.resource-card-6x3 {
+  height: 150px; }
+
+.resource-card-6x3x2 {
+  height: 142px;
+  margin-bottom: 16px; }
+
+.resource-card-9x2 {
+  height: 100px; }
+
+.resource-card-9x2x3 {
+  height: 90px;
+  margin-bottom: 15px; }
+
+.resource-card-9x3 {
+  height: 150px; }
+
+.resource-card-9x3x2 {
+  height: 142px;
+  margin-bottom: 16px; }
+
+.resource-card-12x2 {
+  height: 100px; }
+
+.resource-card-12x2x3 {
+  height: 90px;
+  margin-bottom: 15px; }
+
+.resource-card-12x3 {
+  height: 150px; }
+
+.resource-card-12x3x2 {
+  height: 142px;
+  margin-bottom: 16px; }
+
+.resource-card-15x2 {
+  height: 100px; }
+
+.resource-card-15x2x3 {
+  height: 90px;
+  margin-bottom: 15px; }
+
+.resource-card-15x3 {
+  height: 150px; }
+
+.resource-card-15x3x2 {
+  height: 142px;
+  margin-bottom: 16px; }
+
+.resource-card-18x2 {
+  height: 100px; }
+
+.resource-card-18x2x3 {
+  height: 90px;
+  margin-bottom: 15px; }
+
+.resource-card-18x3 {
+  height: 150px; }
+
+.resource-card-18x3x2 {
+  height: 142px;
+  margin-bottom: 16px; }
+
+/*
+  The following are styles for cards in the flowlayout above, styled by the number of rows they span
+*/
+/* Single row, 2 column items. */
+.resource-card-9x6 {
+  height: 390px; }
+
+/* Double row, 1 column items. Eg full width video thumbnails. */
+.resource-card-18x12 {
+  height: 558px; }
+
+/* 1/3 row items */
+.resource-card-3x2 > .card-bg,
+.resource-card-6x2 > .card-bg,
+.resource-card-9x2 > .card-bg,
+.resource-card-12x2 > .card-bg,
+.resource-card-15x2 > .card-bg,
+.resource-card-18x2 > .card-bg {
+  left: 0;
+  top: 0;
+  width: 90px;
+  height: 100%;
+  position: absolute;
+  display: block;
+}
+
+.resource-card-3x2 > .card-info, .resource-card-6x2 > .card-info, .resource-card-9x2 > .card-info, .resource-card-12x2 > .card-info, .resource-card-15x2 > .card-info, .resource-card-18x2 > .card-info {
+  height: 100%;
+  left: 90px;
+  padding: 6px 12px;
+  overflow: hidden;
+}
+
+.resource-card-3x2 > .card-info .title,
+.resource-card-6x2 > .card-info .title,
+.resource-card-9x2 > .card-info .title,
+.resource-card-12x2 > .card-info .title,
+.resource-card-15x2 > .card-info .title,
+.resource-card-18x2 > .card-info .title {
+  max-height: 69px;
+  white-space: normal;
+}
+
+.resource-card-3x2 > .card-info .description,
+.resource-card-6x2 > .card-info .description,
+.resource-card-9x2 > .card-info .description,
+.resource-card-12x2 > .card-info .description,
+.resource-card-15x2 > .card-info .description,
+.resource-card-18x2 > .card-info .description {
+  display: none;
+}
+
+.resource-card-3x2 > .card-info .text,
+.resource-card-6x2 > .card-info .text,
+.resource-card-9x2 > .card-info .text,
+.resource-card-12x2 > .card-info .text,
+.resource-card-15x2 > .card-info .text,
+.resource-card-18x2 > .card-info .text {
+  height: auto;
+}
+
+/* Override to show the description instead of the content section */
+.no-section .resource-card-3x2 > .card-info .section,
+.no-section .resource-card-6x2 > .card-info .section {
+  display: none; }
+
+.no-section .resource-card-3x2 > .card-info .description,
+.no-section .resource-card-6x2 > .card-info .description {
+  display: block; }
+
+/* 1/2 row items */
+.resource-card-3x3, .resource-card-6x3, .resource-card-9x3, .resource-card-12x3, .resource-card-15x3, .resource-card-18x3 {
+  height: 160px; }
+  .resource-card-3x3 > .card-bg, .resource-card-6x3 > .card-bg, .resource-card-9x3 > .card-bg, .resource-card-12x3 > .card-bg, .resource-card-15x3 > .card-bg, .resource-card-18x3 > .card-bg {
+    left: 0;
+    top: 0;
+    width: 90px;
+    height: 100%;
+    position: absolute;
+    display: block; }
+  .resource-card-3x3 > .card-info, .resource-card-6x3 > .card-info, .resource-card-9x3 > .card-info, .resource-card-12x3 > .card-info, .resource-card-15x3 > .card-info, .resource-card-18x3 > .card-info {
+    height: 100%;
+    left: 90px;
+    padding: 6px 12px; }
+    .resource-card-3x3 > .card-info .section, .resource-card-6x3 > .card-info .section, .resource-card-9x3 > .card-info .section, .resource-card-12x3 > .card-info .section, .resource-card-15x3 > .card-info .section, .resource-card-18x3 > .card-info .section {
+      display: none; }
+    .resource-card-3x3 > .card-info .title, .resource-card-6x3 > .card-info .title, .resource-card-9x3 > .card-info .title, .resource-card-12x3 > .card-info .title, .resource-card-15x3 > .card-info .title, .resource-card-18x3 > .card-info .title {
+      max-height: 92px;
+      white-space: normal; }
+    .resource-card-3x3 > .card-info .text, .resource-card-6x3 > .card-info .text, .resource-card-9x3 > .card-info .text, .resource-card-12x3 > .card-info .text, .resource-card-15x3 > .card-info .text, .resource-card-18x3 > .card-info .text {
+      height: auto; }
+    .resource-card-3x3 > .card-info .util, .resource-card-6x3 > .card-info .util, .resource-card-9x3 > .card-info .util, .resource-card-12x3 > .card-info .util, .resource-card-15x3 > .card-info .util, .resource-card-18x3 > .card-info .util {
+      display: none; }
+
+/* placement of plusone */
+.resource-card-6x12 > .card-info .description .util, .resource-card-9x12 > .card-info .description .util, .resource-card-12x12 > .card-info .description .util, .resource-card-15x12 > .card-info .description .util {
+  bottom: 2px; }
+
+.resource-card-18x12 > .card-info .description .util {
+  bottom: 2px; }
+
+/* Overrides for col-16 6x6 cards linking to local content on landing pages.
+   Suppresses "section". */
+.landing .card-info .section {
+  display: none; }
+
+/*
+  Generate a resource stack layout for a 3 column widget spanning 16 grid cols
+*/
+.resource-stack-layout.col-16 {
+  margin: 0 -14px 0 0;
+  width: 954px; }
+  .resource-stack-layout.col-16 .resource-card-stack {
+    margin: 0 14px 0 0;
+    width: 304px; }
+
+/* Example of card menu tinting */
+.resource-widget[data-section=distribute\/tools] .section-card-menu .card-bg:after {
+  background: rgba(126, 55, 148, 0.4) !important; }
+
+.resource-widget[data-section=distribute\/tools] .section-card-menu .card-section-icon .icon {
+  background-color: #7e3794 !important; }
+
+.resource-widget[data-section=distribute\/tools] .section-card-menu .card-info ul li {
+  border-top-color: #7e3794 !important; }
+
+/* tinting for stacks */
+div.jd-descr > .resource-widget[data-section=distribute\/tools]
+.section-card-menu .card-info ul li {
+  border-top-color: #7e3794 !important; }
+
+/* Show more/less */
+.dac-show-more,
+.dac-show-less {
+  display: none !important; }
+
+.dac-has-more .dac-show-more {
+  display: inline-block !important; }
+
+.dac-has-less .dac-show-less {
+  display: inline-block !important; }
+
+.dac-fab, .dac-button-social, .button, .landing-button,
+.dac-button {
+  background: transparent;
+  border: 0;
+  border-radius: 3px;
+  box-sizing: border-box;
+  color: currentColor;
+  cursor: pointer;
+  display: inline-block;
+  font-weight: 500;
+  font-size: 14px;
+  font-style: inherit;
+  font-variant: inherit;
+  font-family: inherit;
+  letter-spacing: .5px;
+  line-height: 24px;
+  margin: 6px 16px 6px 0;
+  min-width: 88px;
+  outline: 0;
+  padding: 6px 12px;
+  position: relative;
+  text-align: center;
+  text-decoration: none;
+  text-transform: uppercase;
+  -webkit-transition: box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), background-color 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
+          transition: box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), background-color 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+  white-space: nowrap; }
+
+.button, .landing-button,
+.dac-button.dac-raised {
+  background-color: #FAFAFA;
+  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.26); }
+
+.dac-button.dac-raised.dac-primary, .landing-secondary, .button {
+  background-color: #039bef; }
+  .dac-button.dac-raised.dac-primary:hover, .landing-secondary:hover, .button:hover {
+    background-color: #0288d1; }
+  .dac-button.dac-raised.dac-primary:active, .landing-secondary:active, .button:active {
+    background-color: #0277bd; }
+  .dac-button.dac-raised.dac-primary.disabled, .button.disabled {
+    background-color: #bbb; }
+
+.dac-button.dac-raised.dac-red, .landing-primary {
+  background-color: #bf3722; }
+  .dac-button.dac-raised.dac-red:hover, .landing-primary:hover {
+    background-color: #9c2d1c; }
+  .dac-button.dac-raised.dac-red:active, .landing-primary:active {
+    background-color: #822517; }
+
+.dac-button.dac-raised.dac-green, .landing-button.green {
+  background-color: #90c653; }
+  .dac-button.dac-raised.dac-green:hover, .landing-button.green:hover {
+    background-color: #79b03b; }
+  .dac-button.dac-raised.dac-green:active, .landing-button.green:active {
+    background-color: #699933; }
+
+.dac-button.dac-raised.dac-primary, .landing-secondary, .button,
+.dac-button.dac-raised.dac-red,
+.landing-primary,
+.dac-button.dac-raised.dac-green,
+.landing-button.green {
+  color: #fff; }
+
+.dac-button.dac-large, .landing-button {
+  padding: 12px 24px; }
+
+.landing-button-wrap {
+  float: left;
+  margin-right: 40px;
+  width: auto;
+}
+
+.dac-fab, .dac-button-social {
+  background: #fff;
+  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.26);
+  border-radius: 50%;
+  height: 36px;
+  line-height: 36px;
+  margin: 0;
+  min-width: 0;
+  overflow: hidden;
+  padding: 0;
+  vertical-align: middle;
+  width: 36px; }
+  .dac-fab:hover, .dac-button-social:hover,
+  a:hover > .dac-fab,
+  a:hover > .dac-button-social {
+    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.26); }
+  .dac-fab > .dac-sprite, .dac-button-social > .dac-sprite, .dac-fab > .dac-modal-header-close:before, .dac-button-social > .dac-modal-header-close:before, .paging-links .dac-fab > .prev-page-link:before, .paging-links .dac-button-social > .prev-page-link:before, .paging-links .dac-fab > .next-page-link:before, .paging-links .dac-button-social > .next-page-link:before, .paging-links .dac-fab > .next-class-link:before, .paging-links .dac-button-social > .next-class-link:before, .paging-links .dac-fab > .start-class-link:after, .paging-links .dac-button-social > .start-class-link:after {
+    margin-top: -2px; }
+  .dac-fab.dac-primary, .dac-primary.dac-button-social {
+    background: #00c7a0; }
+  .dac-fab.dac-large, .dac-large.dac-button-social {
+    height: 54px;
+    line-height: 54px;
+    width: 54px; }
+
+.dac-button-social {
+  background: #ccc;
+  box-shadow: none;
+  position: relative;
+  overflow: hidden; }
+  .dac-button-social::after {
+    background: rgba(0, 0, 0, 0.2);
+    border-radius: 50%;
+    bottom: 0;
+    content: '';
+    display: block;
+    left: 0;
+    opacity: 0;
+    position: absolute;
+    right: 0;
+    top: 0;
+    -webkit-transition: opacity .3s;
+            transition: opacity .3s; }
+  .dac-button-social:hover {
+    box-shadow: none; }
+  .dac-button-social:active::after {
+    opacity: 1; }
+  .dac-button-social:focus.dac-rss, .dac-button-social:hover.dac-rss {
+    background: #ff9800; }
+  .dac-button-social:focus.dac-youtube, .dac-button-social:hover.dac-youtube {
+    background: #f44336; }
+  .dac-button-social:focus.dac-gplus, .dac-button-social:hover.dac-gplus {
+    background: #f44336; }
+  .dac-button-social:focus.dac-twitter, .dac-button-social:hover.dac-twitter {
+    background: #55acee; }
+
+.dac-action {
+  display: inline-block;
+  margin: 0 16px; }
+  .dac-action-link {
+    color: inherit;
+    font-size: 24px;
+    font-weight: 300;
+    line-height: 50px;
+    -webkit-transition: opacity .3s;
+            transition: opacity .3s; }
+    .dac-action-link:hover {
+      color: inherit;
+      opacity: .54; }
+  .dac-action-sprite {
+    margin-left: -12px;
+    margin-right: -8px; }
+  .dac-actions {
+    list-style-type: none;
+    margin: 0;
+    padding-bottom: 24px;
+    padding-top: 24px;
+    text-align: center; }
+    @media (max-width: 719px) {
+      .dac-actions {
+        text-align: left; } }
+  @media (max-width: 719px) {
+    .dac-action {
+      display: block;
+      margin: 0; } }
+
+.dac-scroll-button {
+  height: 54px;
+  line-height: 54px;
+  margin: 0;
+  position: absolute;
+  right: 0;
+  top: -27px;
+  width: 54px;
+  z-index: 1; }
+  @media (max-width: 719px) {
+    .dac-scroll-button {
+      display: none; } }
+
+/* Footer component */
+.dac-footer {
+  background-color: #fff;
+  border-top: 1px solid #f0f0f0;
+  clear: both;
+  color: #999;
+  font-size: 12px;
+  margin-top: 96px;
+  padding-bottom: 20px;
+  position: relative;
+}
+
+.dac-footer a {
+  color: #999;
+}
+
+.dac-footer p {
+  margin: 7px 0 0;
+}
+
+.dac-footer-main {
+  padding: 30px 0;
+}
+
+.dac-footer-reachout {
+  text-align: right;
+}
+
+.dac-footer-contact,
+.dac-footer-social {
+  display: inline-block;
+}
+
+.dac-footer .dac-footer-getnews,
+.dac-footer .dac-footer-contact-link {
+  color: #000;
+  cursor: pointer;
+  font-size: 20px;
+  font-weight: 300;
+  margin: 8px 0;
+  vertical-align: middle;
+}
+
+.dac-footer .dac-footer-contact-link,
+.dac-footer .dac-footer-social-link {
+  margin-left: 16px;
+  margin-right: 0;
+}
+
+.dac-footer-getnews > .dac-fab, .dac-footer-getnews > .dac-button-social {
+  margin-left: 4px;
+}
+
+.dac-footer-separator {
+  background: #f0f0f0;
+  margin: 0 0 12px;
+}
+
+.dac-footer-links {
+  float: left;
+  margin: 10px 0 60px;
+  width: 50%;
+}
+
+.dac-footer-links a + a:before {
+  content: '|';
+  cursor: default;
+  margin: 0 10px 0 8px;
+}
+
+.devsite-utility-footer-language {
+  float: right;
+  margin: 10px 0 60px;
+  width: 50%;
+}
+
+.dac-footer .locales {
+  float: right;
+  margin: 0;
+}
+
+.dac-footer .locales select {
+  background-color: #f0f0f0;
+  border-radius: 3px;
+  font-size: 12px;
+  height: auto;
+  margin-top: -2px;
+  padding: 8px 12px;
+  width: 146px;
+}
+
+.dac-footer.dac-landing {
+  margin-top: 0;
+  border-top: 0;
+}
+
+@media (max-width: 719px) {
+  .dac-footer-reachout {
+    text-align: left;
+  }
+
+  .dac-footer-social {
+    display: block;
+  }
+
+  .dac-footer-social-link,
+  .dac-footer-contact-link {
+    display: inline-block;
+  }
+
+  .dac-footer .dac-footer-contact-link,
+  .dac-footer .dac-footer-social-link {
+    margin-left: 0;
+    margin-right: 16px;
+  }
+
+  .dac-footer-links {
+    display: block;
+    float: none;
+    width: 100%;
+  }
+
+  .devsite-utility-footer-language {
+    float: none;
+    margin: 0 0 20px;
+    width: 100%;
+  }
+
+  .dac-footer .locales {
+    display: block;
+    float: none;
+    margin-top: 15px;
+  }
+}
+
+/* =============================================================================
+   Columns
+   ========================================================================== */
+.wrap {
+  margin: 0 auto;
+  max-width: 940px;
+  clear: both;
+}
+
+.dac-fullscreen-mode .wrap {
+  max-width: none;
+}
+
+.dac-fullscreen-mode .dac-search-open .wrap {
+  max-width: 940px;
+}
+
+.cols {
+  margin-left: -10px;
+  margin-right: -10px;
+  /**
+   * For modern browsers
+   * 1. The space content is one way to avoid an Opera bug when the
+   *    contenteditable attribute is included anywhere else in the document.
+   *    Otherwise it causes space to appear at the top and bottom of elements
+   *    that are clearfixed.
+   * 2. The use of `table` rather than `block` is only necessary if using
+   *    `:before` to contain the top-margins of child elements.
+   */ }
+  .cols:before, .cols:after {
+    content: ' ';
+    /* 1 */
+    display: table;
+    /* 2 */ }
+  .cols:after {
+    clear: both; }
+
+[class*=col-] {
+  box-sizing: border-box;
+  float: left;
+  min-height: 1px;
+  padding-left: 10px;
+  padding-right: 10px;
+  position: relative; }
+
+.col-1 {
+  width: 6.25%; }
+
+.col-2 {
+  width: 12.5%; }
+
+.col-3 {
+  width: 18.75%; }
+
+.col-4 {
+  width: 25%; }
+
+.col-5 {
+  width: 31.25%; }
+
+.col-6 {
+  width: 37.5%; }
+
+.col-7 {
+  width: 43.75%; }
+
+.col-8 {
+  width: 50%; }
+
+.col-9 {
+  width: 56.25%; }
+
+.col-10 {
+  width: 62.5%; }
+
+.col-11 {
+  width: 68.75%; }
+
+.col-12 {
+  width: 75%; }
+
+.col-13 {
+  width: 81.25%; }
+
+.col-14 {
+  width: 87.5%; }
+
+.col-15 {
+  width: 93.75%; }
+
+.col-16 {
+  width: 100%; }
+
+.col-13 .col-1 {
+  width: 7.69230769%; }
+
+.col-13 .col-2 {
+  width: 15.38461538%; }
+
+.col-13 .col-3 {
+  width: 23.07692308%; }
+
+.col-13 .col-4 {
+  width: 30.76923077%; }
+
+.col-13 .col-5 {
+  width: 38.46153846%; }
+
+.col-13 .col-6 {
+  width: 46.15384615%; }
+
+.col-13 .col-7 {
+  width: 53.84615385%; }
+
+.col-13 .col-8 {
+  width: 61.53846154%; }
+
+.col-13 .col-9 {
+  width: 69.23076923%; }
 
-.btn-quicknav.active a.arrow-active {
-  display:block;
-}
+.col-13 .col-10 {
+  width: 76.92307692%; }
 
-.nav-x li {
-  display:block;
-  float:left;
-  margin-right:45px;
-  -webkit-transition: all 0.25s linear;
-      -moz-transition: all 0.25s linear;
-       -ms-transition: all 0.25s linear;
-        -o-transition: all 0.25s linear;
-           transition: all 0.25s linear;
-}
+.col-13 .col-11 {
+  width: 84.61538462%; }
 
-#header-wrap.quicknav .nav-x li {
-  min-width:160px;
-  margin-right:20px;
-}
+.col-13 .col-12 {
+  width: 92.30769231%; }
 
-#header-wrap.quicknav li.last {
-  margin-right:0px;
-}
+.col-13 .col-13 {
+  width: 100%; }
 
-#quicknav {
- float:none;
- clear:both;
- margin-left:0;
- margin-top:-30px;
- display:none;
- overflow:hidden;
-}
+.col-12 .col-1 {
+  width: 8.33333333%; }
 
-#header-wrap.quicknav #quicknav {
+.col-12 .col-2 {
+  width: 16.66666667%; }
 
-}
+.col-12 .col-3 {
+  width: 25%; }
 
-#quicknav ul {
-  margin:10px 0;
-  padding:0;
-}
+.col-12 .col-4 {
+  width: 33.33333333%; }
 
-#quicknav ul li.about {
-  border-top:1px solid #9933CC;
-}
+.col-12 .col-5 {
+  width: 41.66666667%; }
 
-#quicknav ul li.design {
-  border-top:1px solid #33b5e5;
-}
+.col-12 .col-6 {
+  width: 50%; }
 
-#quicknav ul li.develop {
-  border-top:1px solid #FF8800;
-}
+.col-12 .col-7 {
+  width: 58.33333333%; }
 
-#quicknav ul li.distribute {
-  border-top:1px solid #99cc00;
-}
+.col-12 .col-8 {
+  width: 66.66666667%; }
 
-#quicknav ul li {
-  display:block;
-  float:left;
-  margin:0 20px 0 0;
-  min-width:140px;
-}
+.col-12 .col-9 {
+  width: 75%; }
 
-#quicknav ul li.last {
-  margin-right:0px;
-}
+.col-12 .col-10 {
+  width: 83.33333333%; }
 
-#quicknav ul li ul li {
-  float:none;
-}
+.col-12 .col-11 {
+  width: 91.66666667%; }
 
-#quicknav ul li ul li a {
-  color:#222;
-}
+.col-12 .col-12 {
+  width: 100%; }
 
-#quicknav ul li li ul,
-#quicknav ul li li ul li {
-  margin:0;
-}
+.col-1of1, .col-2of2, .col-3of3, .col-4of4, .col-5of5, .col-6of6, .col-8of8, .col-10of10, .col-12of12, .col-16of16 {
+  width: 100%; }
 
-#quicknav ul li li ul li:before {
-  content:"\21B3";
-}
+.col-1of2, .col-2of4, .col-3of6, .col-4of8, .col-5of10, .col-6of12, .col-8of16 {
+  width: 50%; }
 
-#header-wrap {
-   -webkit-transition: all 0.25s ease-out;
-      -moz-transition: all 0.25s ease-out;
-       -ms-transition: all 0.25s ease-out;
-        -o-transition: all 0.25s ease-out;
-           transition: all 0.25s ease-out;
+.col-1of3, .col-2of6, .col-4of12 {
+  width: 33.33333333%; }
 
-}
+.col-2of3, .col-4of6, .col-8of12 {
+  width: 66.66666667%; }
 
-#header-wrap.quicknav {
-  height:216px;
+.col-1of4, .col-2of8, .col-3of12, .col-4of16 {
+  width: 25%; }
 
-}
+.col-3of4, .col-6of8, .col-9of12, .col-12of16 {
+  width: 75%; }
 
-/* SEARCH AND MORE */
-.search {
-  position: absolute;
-  width: 50px;
-  height:28px;
-  display: block;
-  margin-top:-3px;
-  margin-bottom:7px;
-  overflow:hidden;
-  z-index:100;
-  right:54px;
-  -webkit-transition: width 0.4s ease;
-     -moz-transition: width 0.4s ease;
-       -o-transition: width 0.4s ease;
-          transition: width 0.4s ease;
-}
+.col-1of5, .col-2of10 {
+  width: 20%; }
 
-.search #search-btn {
-  width:50px;
-  height:28px;
-  background:url(../images/icon_search.png) no-repeat;
-  float:left;
-}
+.col-2of5, .col-4of10 {
+  width: 40%; }
 
-.search-inner {
-  width:245px;
-}
+.col-3of5, .col-6of10 {
+  width: 60%; }
 
-.search:hover, .search.active {
-  width:245px;
-}
+.col-4of5, .col-8of10 {
+  width: 80%; }
 
-.search .bottom, .search .left, .search .right {
-  position: absolute;
-  background-color: #a2a2a2
-}
+.col-1of6, .col-2of12 {
+  width: 16.66666667%; }
 
-.search .bottom {
-  width: 214px;
-  height: 1px;
-  top: 24px;
-  left: 0
-}
+.col-5of6, .col-10of12 {
+  width: 83.33333333%; }
 
-.search .left, .search .right {
-  height: 5px;
-  width: 1px
-}
+.col-1of8, .col-2of16 {
+  width: 12.5%; }
 
-.search .left {
-  top: 22px;
-  left: 56px;
-  background-color:#CCC;
-}
+.col-3of8, .col-6of16 {
+  width: 37.5%; }
 
-.search .right {
-  top: 22px;
-  left: 238px;
-  background-color:#CCC;
-}
+.col-5of8, .col-10of16 {
+  width: 62.5%; }
 
-.search form {
-  margin-top: 2px;
-  width: 162px;
-  float:left;
-}
+.col-7of8, .col-14of16 {
+  width: 87.5%; }
 
-.search form input {
-  color: #2f2f2f;
-  font-size: 0.95em;
-  width: 178px;
-  border: none;
-  margin-left: 6px;
-  z-index: 1500;
-  position: relative;
-  background-color: transparent;
-  border-bottom:1px solid #CCC;
-  padding:0 0 0 4px;
-  outline:none;
-  height:24px;
-}
+.col-1of10 {
+  width: 10%; }
 
-.search:hover form input {
-  border-bottom:1px solid #33B5E5;
-}
+.col-3of10 {
+  width: 30%; }
 
-.search:hover .bottom, .search:hover .left, .search:hover .right {
-  background-color: #33b5e5;
-}
+.col-7of10 {
+  width: 70%; }
 
-.search:hover #search-btn {
-  background-position: 0 -28px
-}
+.col-9of10 {
+  width: 90%; }
 
-.search form input:focus {
-  color: #222;
-  font-weight: bold
-}
+.col-1of12 {
+  width: 8.33333333%; }
 
-.moremenu {
-  float: right;
-  position: relative;
-  width: 50px;
-  height:28px;
-  display: block;
-  margin-top:-3px;
-  margin-bottom:7px;
-  overflow:hidden;
-  -webkit-transition: width 0.25s ease;
-     -moz-transition: width 0.25s ease;
-       -o-transition: width 0.25s ease;
-          transition: width 0.25s ease;
-}
+.col-5of12 {
+  width: 41.66666667%; }
 
-.moremenu #more-btn {
-  width:40px;
-  height:28px;
-  background:url(../images/icon_more.png) no-repeat;
-  border-left:1px solid #CCC;
-  float:left;
-  cursor:pointer;
-}
+.col-7of12 {
+  width: 58.33333333%; }
 
-.moremenu:hover #more-btn {
-  background-position:0 -28px;
-}
+.col-11of12 {
+  width: 91.66666667%; }
 
-.morehover {
-  position:absolute;
-  right:6px;
-  top:-9px;
-  width:40px;
-  height:35px;
-  z-index:99;
-  overflow:hidden;
+.col-1of16 {
+  width: 6.25%; }
 
-  -webkit-opacity:0;
-     -moz-opacity:0;
-       -o-opacity:0;
-          opacity:0;
+.col-3of16 {
+  width: 18.75%; }
 
-  -webkit-transform-origin:100% 0%;
-     -moz-transform-origin:100% 0%;
-       -o-transform-origin:100% 0%;
-          transform-origin:100% 0%;
+.col-5of16 {
+  width: 31.25%; }
 
-  -webkit-transition-property: -webkit-opacity;
-  -webkit-transition-duration: .25s;
-  -webkit-transition-timing-function:ease;
+.col-7of16 {
+  width: 43.75%; }
 
-  -moz-transition-property: -moz-opacity;
-  -moz-transition-duration: .25s;
-  -moz-transition-timing-function:ease;
+.col-9of16 {
+  width: 56.25%; }
 
-  -o-transition-property: -o-opacity;
-  -o-transition-duration: .25s;
-  -o-transition-timing-function:ease;
+.col-11of16 {
+  width: 68.75%; }
 
-  transition-property: opacity;
-  transition-duration: .25s;
-  transition-timing-function:ease;
-}
+.col-13of16 {
+  width: 81.25%; }
 
-.morehover:hover,
-.morehover.hover {
-  opacity:1;
-  height:385px;
-  width:268px;
-  -webkit-transition-property:height,  -webkit-opacity;
-}
+.col-15of16 {
+  width: 93.75%; }
 
-.morehover .top {
-  width:268px;
-  height:39px;
-  background:url(../images/more_top.png) no-repeat;
-}
+.col-pull-1of1, .col-pull-2of2, .col-pull-3of3, .col-pull-4of4, .col-pull-5of5, .col-pull-6of6, .col-pull-8of8, .col-pull-10of10, .col-pull-12of12, .col-pull-16of16 {
+  left: -100%; }
 
-.morehover .mid {
-  width:228px;
-  background:url(../images/more_mid.png) repeat-y;
-  padding:10px 20px 0 20px;
-}
+.col-pull-1of2, .col-pull-2of4, .col-pull-3of6, .col-pull-4of8, .col-pull-5of10, .col-pull-6of12, .col-pull-8of16 {
+  left: -50%; }
 
-.morehover .mid .header {
-  border-bottom:1px solid #ccc;
-  font-weight:bold;
-}
+.col-pull-1of3, .col-pull-2of6, .col-pull-4of12 {
+  left: -33.33333333%; }
 
-.morehover .bottom {
-  width:268px;
-  height:6px;
-  background:url(../images/more_bottom.png) no-repeat;
-}
+.col-pull-2of3, .col-pull-4of6, .col-pull-8of12 {
+  left: -66.66666667%; }
 
-.morehover ul {
-  margin:10px 10px 20px 0;
-}
+.col-pull-1of4, .col-pull-2of8, .col-pull-3of12, .col-pull-4of16 {
+  left: -25%; }
 
-.morehover ul li {
-  list-style:none;
-}
+.col-pull-3of4, .col-pull-6of8, .col-pull-9of12, .col-pull-12of16 {
+  left: -75%; }
 
-.morehover ul li.active a,
-.morehover ul li.active a:hover {
-  color:#222 !important;
-}
+.col-pull-1of5, .col-pull-2of10 {
+  left: -20%; }
 
-.morehover ul li.active img {
-  margin-right:4px;
-}
+.col-pull-2of5, .col-pull-4of10 {
+  left: -40%; }
 
+.col-pull-3of5, .col-pull-6of10 {
+  left: -60%; }
 
+.col-pull-4of5, .col-pull-8of10 {
+  left: -80%; }
 
+.col-pull-1of6, .col-pull-2of12 {
+  left: -16.66666667%; }
 
-/* MARQUEE */
-.slideshow-container {
-  width:100%;
-  overflow:hidden;
-  position:relative;
-}
-.slideshow-container .slideshow-prev {
-  position:absolute;
-  top:50%;
-  left:0px;
-  margin-top:-36px;
-  z-index:99;
-}
-.slideshow-container .slideshow-next {
-  position:absolute;
-  top:50%;
-  margin-top:-36px;
-  z-index:99;
-  right:0px;
-}
+.col-pull-5of6, .col-pull-10of12 {
+  left: -83.33333333%; }
+
+.col-pull-1of8, .col-pull-2of16 {
+  left: -12.5%; }
+
+.col-pull-3of8, .col-pull-6of16 {
+  left: -37.5%; }
+
+.col-pull-5of8, .col-pull-10of16 {
+  left: -62.5%; }
+
+.col-pull-7of8, .col-pull-14of16 {
+  left: -87.5%; }
+
+.col-pull-1of10 {
+  left: -10%; }
+
+.col-pull-3of10 {
+  left: -30%; }
+
+.col-pull-7of10 {
+  left: -70%; }
+
+.col-pull-9of10 {
+  left: -90%; }
+
+.col-pull-1of12 {
+  left: -8.33333333%; }
+
+.col-pull-5of12 {
+  left: -41.66666667%; }
+
+.col-pull-7of12 {
+  left: -58.33333333%; }
+
+.col-pull-11of12 {
+  left: -91.66666667%; }
+
+.col-pull-1of16 {
+  left: -6.25%; }
+
+.col-pull-3of16 {
+  left: -18.75%; }
+
+.col-pull-5of16 {
+  left: -31.25%; }
+
+.col-pull-7of16 {
+  left: -43.75%; }
+
+.col-pull-9of16 {
+  left: -56.25%; }
+
+.col-pull-11of16 {
+  left: -68.75%; }
+
+.col-pull-13of16 {
+  left: -81.25%; }
+
+.col-pull-15of16 {
+  left: -93.75%; }
 
-.slideshow-container .pagination {
-  position:absolute;
-  bottom:20px;
-  width:100%;
-  text-align:center;
-  z-index:99;
-}
-.slideshow-container .pagination ul {
-  margin:0;
-}
-.slideshow-container .pagination ul li{
-  display: inline-block;
-  width:12px;
-  height:12px;
-  text-indent:-8000px;
-  list-style:none;
-  margin: 0 2px;
-  border-radius:6px;
-  background-color:#ccc;
-  cursor:pointer;
-        -webkit-transition:color .5s ease-in;
-        -moz-transition:color .5s ease-in;
-        -o-transition:color .5s ease-in;
-        transition:color .5s ease-in;
-}
-.slideshow-container .pagination ul li:hover {
-  background-color:#999;
-}
-.slideshow-container .pagination ul li.active {
-  background-color:#33b5e5;
-}
-.slideshow-container .pagination ul li.active:hover {
-  background-color:#33b5e5;
-}
-.slideshow-container ul li {
-  display:inline;
-  list-style:none;
-}
+.col-push-1of1, .col-push-2of2, .col-push-3of3, .col-push-4of4, .col-push-5of5, .col-push-6of6, .col-push-8of8, .col-push-10of10, .col-push-12of12, .col-push-16of16 {
+  left: 100%; }
 
+.col-push-1of2, .col-push-2of4, .col-push-3of6, .col-push-4of8, .col-push-5of10, .col-push-6of12, .col-push-8of16 {
+  left: 50%; }
 
-#landing h1 {
-  margin:17px 0 20px 0 !important;
-}
+.col-push-1of3, .col-push-2of6, .col-push-4of12 {
+  left: 33.33333333%; }
 
-a.download-sdk {
-    float:right;
-    margin:-10px 0;
-    height:30px;
-    padding-top:4px;
-    padding-bottom:0px;
-}
+.col-push-2of3, .col-push-4of6, .col-push-8of12 {
+  left: 66.66666667%; }
 
-#nav-x {
-  padding-top: 13px;
-}
+.col-push-1of4, .col-push-2of8, .col-push-3of12, .col-push-4of16 {
+  left: 25%; }
 
-#nav-x .wrap {
-  min-height:32px;
-}
+.col-push-3of4, .col-push-6of8, .col-push-9of12, .col-push-12of16 {
+  left: 75%; }
 
-#nav-x .wrap,
-#searchResults.wrap {
-    max-width:940px;
-    border-bottom:1px solid #CCC;
-}
+.col-push-1of5, .col-push-2of10 {
+  left: 20%; }
 
-#searchResults.wrap #leftSearchControl {
-  min-height:700px
-}
-.nav-x {
-    margin-left:0;
-    margin-bottom:0;
-}
+.col-push-2of5, .col-push-4of10 {
+  left: 40%; }
 
+.col-push-3of5, .col-push-6of10 {
+  left: 60%; }
 
+.col-push-4of5, .col-push-8of10 {
+  left: 80%; }
 
+.col-push-1of6, .col-push-2of12 {
+  left: 16.66666667%; }
 
+.col-push-5of6, .col-push-10of12 {
+  left: 83.33333333%; }
 
+.col-push-1of8, .col-push-2of16 {
+  left: 12.5%; }
 
+.col-push-3of8, .col-push-6of16 {
+  left: 37.5%; }
 
+.col-push-5of8, .col-push-10of16 {
+  left: 62.5%; }
 
+.col-push-7of8, .col-push-14of16 {
+  left: 87.5%; }
 
+.col-push-1of10 {
+  left: 10%; }
+
+.col-push-3of10 {
+  left: 30%; }
+
+.col-push-7of10 {
+  left: 70%; }
+
+.col-push-9of10 {
+  left: 90%; }
+
+.col-push-1of12 {
+  left: 8.33333333%; }
+
+.col-push-5of12 {
+  left: 41.66666667%; }
+
+.col-push-7of12 {
+  left: 58.33333333%; }
+
+.col-push-11of12 {
+  left: 91.66666667%; }
+
+.col-push-1of16 {
+  left: 6.25%; }
+
+.col-push-3of16 {
+  left: 18.75%; }
+
+.col-push-5of16 {
+  left: 31.25%; }
+
+.col-push-7of16 {
+  left: 43.75%; }
+
+.col-push-9of16 {
+  left: 56.25%; }
+
+.col-push-11of16 {
+  left: 68.75%; }
+
+.col-push-13of16 {
+  left: 81.25%; }
+
+.col-push-15of16 {
+  left: 93.75%; }
+
+@media (max-width: 959px) and (min-width: 720px) {
+  .col-tablet-1of1, .col-tablet-2of2, .col-tablet-3of3, .col-tablet-4of4, .col-tablet-5of5, .col-tablet-6of6, .col-tablet-8of8, .col-tablet-10of10, .col-tablet-12of12, .col-tablet-16of16 {
+    width: 100%; }
+  .col-tablet-1of2, .col-tablet-2of4, .col-tablet-3of6, .col-tablet-4of8, .col-tablet-5of10, .col-tablet-6of12, .col-tablet-8of16 {
+    width: 50%; }
+  .col-tablet-1of3, .col-tablet-2of6, .col-tablet-4of12 {
+    width: 33.33333333%; }
+  .col-tablet-2of3, .col-tablet-4of6, .col-tablet-8of12 {
+    width: 66.66666667%; }
+  .col-tablet-1of4, .col-tablet-2of8, .col-tablet-3of12, .col-tablet-4of16 {
+    width: 25%; }
+  .col-tablet-3of4, .col-tablet-6of8, .col-tablet-9of12, .col-tablet-12of16 {
+    width: 75%; }
+  .col-tablet-1of5, .col-tablet-2of10 {
+    width: 20%; }
+  .col-tablet-2of5, .col-tablet-4of10 {
+    width: 40%; }
+  .col-tablet-3of5, .col-tablet-6of10 {
+    width: 60%; }
+  .col-tablet-4of5, .col-tablet-8of10 {
+    width: 80%; }
+  .col-tablet-1of6, .col-tablet-2of12 {
+    width: 16.66666667%; }
+  .col-tablet-5of6, .col-tablet-10of12 {
+    width: 83.33333333%; }
+  .col-tablet-1of8, .col-tablet-2of16 {
+    width: 12.5%; }
+  .col-tablet-3of8, .col-tablet-6of16 {
+    width: 37.5%; }
+  .col-tablet-5of8, .col-tablet-10of16 {
+    width: 62.5%; }
+  .col-tablet-7of8, .col-tablet-14of16 {
+    width: 87.5%; }
+  .col-tablet-1of10 {
+    width: 10%; }
+  .col-tablet-3of10 {
+    width: 30%; }
+  .col-tablet-7of10 {
+    width: 70%; }
+  .col-tablet-9of10 {
+    width: 90%; }
+  .col-tablet-1of12 {
+    width: 8.33333333%; }
+  .col-tablet-5of12 {
+    width: 41.66666667%; }
+  .col-tablet-7of12 {
+    width: 58.33333333%; }
+  .col-tablet-11of12 {
+    width: 91.66666667%; }
+  .col-tablet-1of16 {
+    width: 6.25%; }
+  .col-tablet-3of16 {
+    width: 18.75%; }
+  .col-tablet-5of16 {
+    width: 31.25%; }
+  .col-tablet-7of16 {
+    width: 43.75%; }
+  .col-tablet-9of16 {
+    width: 56.25%; }
+  .col-tablet-11of16 {
+    width: 68.75%; }
+  .col-tablet-13of16 {
+    width: 81.25%; }
+  .col-tablet-15of16 {
+    width: 93.75%; }
+  .col-tablet-pull-1of1, .col-tablet-pull-2of2, .col-tablet-pull-3of3, .col-tablet-pull-4of4, .col-tablet-pull-5of5, .col-tablet-pull-6of6, .col-tablet-pull-8of8, .col-tablet-pull-10of10, .col-tablet-pull-12of12, .col-tablet-pull-16of16 {
+    left: -100%; }
+  .col-tablet-pull-1of2, .col-tablet-pull-2of4, .col-tablet-pull-3of6, .col-tablet-pull-4of8, .col-tablet-pull-5of10, .col-tablet-pull-6of12, .col-tablet-pull-8of16 {
+    left: -50%; }
+  .col-tablet-pull-1of3, .col-tablet-pull-2of6, .col-tablet-pull-4of12 {
+    left: -33.33333333%; }
+  .col-tablet-pull-2of3, .col-tablet-pull-4of6, .col-tablet-pull-8of12 {
+    left: -66.66666667%; }
+  .col-tablet-pull-1of4, .col-tablet-pull-2of8, .col-tablet-pull-3of12, .col-tablet-pull-4of16 {
+    left: -25%; }
+  .col-tablet-pull-3of4, .col-tablet-pull-6of8, .col-tablet-pull-9of12, .col-tablet-pull-12of16 {
+    left: -75%; }
+  .col-tablet-pull-1of5, .col-tablet-pull-2of10 {
+    left: -20%; }
+  .col-tablet-pull-2of5, .col-tablet-pull-4of10 {
+    left: -40%; }
+  .col-tablet-pull-3of5, .col-tablet-pull-6of10 {
+    left: -60%; }
+  .col-tablet-pull-4of5, .col-tablet-pull-8of10 {
+    left: -80%; }
+  .col-tablet-pull-1of6, .col-tablet-pull-2of12 {
+    left: -16.66666667%; }
+  .col-tablet-pull-5of6, .col-tablet-pull-10of12 {
+    left: -83.33333333%; }
+  .col-tablet-pull-1of8, .col-tablet-pull-2of16 {
+    left: -12.5%; }
+  .col-tablet-pull-3of8, .col-tablet-pull-6of16 {
+    left: -37.5%; }
+  .col-tablet-pull-5of8, .col-tablet-pull-10of16 {
+    left: -62.5%; }
+  .col-tablet-pull-7of8, .col-tablet-pull-14of16 {
+    left: -87.5%; }
+  .col-tablet-pull-1of10 {
+    left: -10%; }
+  .col-tablet-pull-3of10 {
+    left: -30%; }
+  .col-tablet-pull-7of10 {
+    left: -70%; }
+  .col-tablet-pull-9of10 {
+    left: -90%; }
+  .col-tablet-pull-1of12 {
+    left: -8.33333333%; }
+  .col-tablet-pull-5of12 {
+    left: -41.66666667%; }
+  .col-tablet-pull-7of12 {
+    left: -58.33333333%; }
+  .col-tablet-pull-11of12 {
+    left: -91.66666667%; }
+  .col-tablet-pull-1of16 {
+    left: -6.25%; }
+  .col-tablet-pull-3of16 {
+    left: -18.75%; }
+  .col-tablet-pull-5of16 {
+    left: -31.25%; }
+  .col-tablet-pull-7of16 {
+    left: -43.75%; }
+  .col-tablet-pull-9of16 {
+    left: -56.25%; }
+  .col-tablet-pull-11of16 {
+    left: -68.75%; }
+  .col-tablet-pull-13of16 {
+    left: -81.25%; }
+  .col-tablet-pull-15of16 {
+    left: -93.75%; }
+  .col-tablet-push-1of1, .col-tablet-push-2of2, .col-tablet-push-3of3, .col-tablet-push-4of4, .col-tablet-push-5of5, .col-tablet-push-6of6, .col-tablet-push-8of8, .col-tablet-push-10of10, .col-tablet-push-12of12, .col-tablet-push-16of16 {
+    left: 100%; }
+  .col-tablet-push-1of2, .col-tablet-push-2of4, .col-tablet-push-3of6, .col-tablet-push-4of8, .col-tablet-push-5of10, .col-tablet-push-6of12, .col-tablet-push-8of16 {
+    left: 50%; }
+  .col-tablet-push-1of3, .col-tablet-push-2of6, .col-tablet-push-4of12 {
+    left: 33.33333333%; }
+  .col-tablet-push-2of3, .col-tablet-push-4of6, .col-tablet-push-8of12 {
+    left: 66.66666667%; }
+  .col-tablet-push-1of4, .col-tablet-push-2of8, .col-tablet-push-3of12, .col-tablet-push-4of16 {
+    left: 25%; }
+  .col-tablet-push-3of4, .col-tablet-push-6of8, .col-tablet-push-9of12, .col-tablet-push-12of16 {
+    left: 75%; }
+  .col-tablet-push-1of5, .col-tablet-push-2of10 {
+    left: 20%; }
+  .col-tablet-push-2of5, .col-tablet-push-4of10 {
+    left: 40%; }
+  .col-tablet-push-3of5, .col-tablet-push-6of10 {
+    left: 60%; }
+  .col-tablet-push-4of5, .col-tablet-push-8of10 {
+    left: 80%; }
+  .col-tablet-push-1of6, .col-tablet-push-2of12 {
+    left: 16.66666667%; }
+  .col-tablet-push-5of6, .col-tablet-push-10of12 {
+    left: 83.33333333%; }
+  .col-tablet-push-1of8, .col-tablet-push-2of16 {
+    left: 12.5%; }
+  .col-tablet-push-3of8, .col-tablet-push-6of16 {
+    left: 37.5%; }
+  .col-tablet-push-5of8, .col-tablet-push-10of16 {
+    left: 62.5%; }
+  .col-tablet-push-7of8, .col-tablet-push-14of16 {
+    left: 87.5%; }
+  .col-tablet-push-1of10 {
+    left: 10%; }
+  .col-tablet-push-3of10 {
+    left: 30%; }
+  .col-tablet-push-7of10 {
+    left: 70%; }
+  .col-tablet-push-9of10 {
+    left: 90%; }
+  .col-tablet-push-1of12 {
+    left: 8.33333333%; }
+  .col-tablet-push-5of12 {
+    left: 41.66666667%; }
+  .col-tablet-push-7of12 {
+    left: 58.33333333%; }
+  .col-tablet-push-11of12 {
+    left: 91.66666667%; }
+  .col-tablet-push-1of16 {
+    left: 6.25%; }
+  .col-tablet-push-3of16 {
+    left: 18.75%; }
+  .col-tablet-push-5of16 {
+    left: 31.25%; }
+  .col-tablet-push-7of16 {
+    left: 43.75%; }
+  .col-tablet-push-9of16 {
+    left: 56.25%; }
+  .col-tablet-push-11of16 {
+    left: 68.75%; }
+  .col-tablet-push-13of16 {
+    left: 81.25%; }
+  .col-tablet-push-15of16 {
+    left: 93.75%; } }
 
-/*
- * CSS Styles that are needed by jScrollPane for it to operate correctly.
- */
+.col-3-wide {
+  width: 33.3333333333%; }
 
-.jspContainer {
-  overflow: hidden;
-  position: relative;
+@media (max-width: 719px) {
+  /* Remove .col-12 and .col-13 backward compatibility support as soon as it's been removed. */
+[class*=col-],
+  .col-12 [class*=col-],
+  .col-13 [class*=col-] {
+  float: none;
+  left: 0;
+  width: auto;
+} }
+
+/**
+ * Fades out an element.
+ * Applies visibility hidden when the transition is finished.
+ *
+ * Use opacity: 1; to show the element.
+ */
+/* Header component */
+.dac-header {
+  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.07);
+  box-sizing: border-box;
+  background: #6ab344;
+  height: 64px;
+  margin: 0;
+  left: 0;
+  position: fixed;
+  right: 0;
+  top: 0;
+  -webkit-transition: background 200ms;
+  transition: background 200ms;
+  z-index: 61;
 }
 
-.jspPane {
-  position: absolute;
-  width:100% !important; /* to avoid cut-off api names in reference in horiz scroll */
+.dac-ndk .dac-header {
+  background: #00bcd4;
 }
 
-.jspVerticalBar {
-  position: absolute;
-  top: 0;
-  right: 0;
-  width: 4px;
-  height: 100%;
-  background: #f5f5f5;
+.dac-studio .dac-header {
+  background: #424242;
 }
 
-.jspHorizontalBar {
-  position: absolute;
-  bottom: 0;
-  left: 0;
-  width: 100%;
-  height: 4px;
-  background: #f5f5f5;
+.dac-search-mode .dac-header {
+  background: #b0bec5;
+  -webkit-transition: background 200ms;
+  transition: background 200ms;
 }
 
-.jspVerticalBar *,
-.jspHorizontalBar * {
-  margin: 0;
-  padding: 0;
+.dac-search-mode .dac-header-logo,
+  .dac-search-mode .dac-header-console-btn {
+  opacity: 0;
+  visibility: hidden;
+  -webkit-transition: visibility 0s linear 200ms, opacity 200ms linear;
+  transition: visibility 0s linear 200ms, opacity 200ms linear;
 }
-.jspCap {
+
+.dac-header-logo {
   display: block;
+  font-size: 20px;
+  font-weight: 400;
+  float: left;
+  letter-spacing: .3px;
+  line-height: 36px;
+  opacity: 1;
+  padding: 13px 48px 15px 0;
 }
 
-.jspVerticalBar .jspCap {
-  height: 4px;
+.dac-header-logo, .dac-header-logo:hover, .dac-header-logo:focus {
+  color: #fff;
 }
 
-.jspHorizontalBar .jspCap {
-  width: 0;
-  height: 100%;
+@media (min-width: 980px) {
+  .dac-header-logo {
+    border-right: 1px solid rgba(0, 0, 0, 0.1);
+  }
 }
 
-.jspHorizontalBar .jspCap {
-  float: left;
+@media (min-width: 720px) and (max-width: 979px) {
+  .dac-header-logo {
+    padding-right: 10px;
+  }
 }
 
-.jspTrack {
-  position: relative;
+.dac-header-logo-image {
+  margin-right: 5px;
+  vertical-align: top;
 }
 
-.jspDrag {
-  background: #bbb;
-  position: relative;
-  top: 0;
-  left: 0;
-  cursor: pointer;
+.dac-header-tabs {
+  list-style: none;
+  margin: 0 10px;
+  display: none;
+  opacity: 1;
+  -webkit-transition: opacity 200ms linear 200ms;
+  transition: opacity 200ms linear 200ms;
 }
 
-.jspDrag:hover,
-.jspDrag:active {
-  border-color: #09c;
-  background-color: #4cadcb;
-  background-image: -webkit-gradient(linear, left top, right top, from(#5dbcd9), to(#4cadcb));
-  background-image: -webkit-linear-gradient(left, #5dbcd9, #4cadcb);
-  background-image: -moz-linear-gradient(left, #5dbcd9, #4cadcb);
-  background-image: -ms-linear-gradient(left, #5dbcd9, #4cadcb);
-  background-image: -o-linear-gradient(left, #5dbcd9, #4cadcb);
-  background-image: linear-gradient(left, #5dbcd9, #4cadcb);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#5dbcd9', EndColorStr='#4cadcb');
-}
+@media (min-width: 720px) {
+  .dac-header-tabs {
+    display: inline-block;
+  }
 
-.jspHorizontalBar .jspTrack,
-.jspHorizontalBar .jspDrag {
-  float: left;
-  height: 100%;
+  /* Do not show nav toggle and up-nav button for left nav,
+     when header tabs are visible (when no sub navigation) */
+  body.no-subnav .dac-nav-back-button {
+    display:none;
+  }
+  body.no-subnav .dac-nav-sub {
+    top: 0 !important;
+  }
 }
 
-.jspArrow {
-  background: #999;
-  text-indent: -20000px;
-  display: block;
-  cursor: pointer;
+.dac-header-tabs li {
+  display: inline-block;
 }
 
-.jspArrow.jspDisabled {
-  cursor: default;
-  background: #ccc;
+.dac-header-tab {
+  display: inline-block;
+  line-height: 64px;
+  height: 64px;
+  padding: 0 9px;
+  color: #fff;
+  color: rgba(255, 255, 255, 0.7);
+  font-size: 14px;
+  text-transform: uppercase;
+  font-weight: 500;
 }
 
-.jspVerticalBar .jspArrow {
-  height: 16px;
+.dac-header-tab:hover,
+.dac-header-tab:focus {
+  color: #fff;
 }
 
-.jspHorizontalBar .jspArrow {
-  width: 16px;
-  float: left;
-  height: 100%;
+.dac-header-tab.selected {
+  border-bottom: 4px solid #fff;
+  height: 60px;
+  color: #fff;
 }
 
-.jspVerticalBar .jspArrow:focus {
-  outline: none;
+.dac-search-mode .dac-header-tabs {
+  opacity: 0;
+  -webkit-transition: opacity 0ms linear 0ms;
+  transition: opacity 0ms linear 0ms;
 }
 
-.jspCorner {
-  float: left;
-  height: 100%;
+.dac-header-console-btn {
+  border-radius: 3px;
+  box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.2);
+  float: right;
+  font-size: 14px;
+  font-weight: 500;
+  line-height: 28px;
+  margin: 13px 13px 12px 24px;
+  opacity: 1;
+  padding: 4px 10px;
+  position: relative;
+  text-transform: uppercase;
+  -webkit-transition: box-shadow .2s;
+  transition: box-shadow .2s;
+  z-index: 60;
 }
 
-/* Yuk! CSS Hack for IE6 3 pixel bug :( */
-* html .jspCorner {
-  margin: 0 -3px 0 0;
+@media (min-width: 720px) and (max-width: 979px) {
+  .dac-header-console-btn {
+    display: none;
+  }
 }
-/******* end of jscrollpane *********/
-
 
+.dac-header-console-btn > .dac-sprite, .dac-header-console-btn > .dac-modal-header-close:before, .paging-links .dac-header-console-btn > .prev-page-link:before, .paging-links .dac-header-console-btn > .next-page-link:before, .paging-links .dac-header-console-btn > .next-class-link:before, .paging-links .dac-header-console-btn > .start-class-link:after {
+  margin-right: 5px;
+}
 
+.dac-header-console-btn, .dac-header-console-btn:hover, .dac-header-console-btn:focus {
+  color: #fff;
+}
 
+.dac-header-console-btn:hover {
+  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.3);
+}
 
-/************ DEVELOP HOMEPAGE ******************/
+.dac-header-console-btn:focus {
+  background: rgba(63, 81, 181, 0.1);
+  outline: 0;
+}
 
-/* Slideshow */
-.slideshow-develop {
-  height: 316px;
-  width: 940px;
-  position: relative;
-  overflow:hidden;
+.dac-studio .dac-header-console-btn {
+  color:#fff;
+  background:rgba(255, 255, 255, 0.3);
 }
-.slideshow-develop .frame {
-  width: 940px;
-  height: 316px;
+.dac-studio .dac-header-console-btn:hover {
+  background:rgba(255, 255, 255, 0.5);
 }
-.slideshow-develop img.play {
-  max-width:350px;
-  max-height:240px;
-  margin:20px 0 0 90px;
-  -webkit-transform: perspective(800px ) rotateY( 35deg );
-  box-shadow: -16px 20px 40px rgba(0, 0, 0, 0.3);
-  -moz-box-shadow: -16px 20px 40px rgba(0, 0, 0, 0.3);
-  -webkit-box-shadow: -16px 20px 40px rgba(0, 0, 0, 0.3);
+.dac-studio .dac-header-console-btn:focus {
+  background:rgba(255, 255, 255, 0.7);
+  color:#000;
 }
-.slideshow-develop img.play.no-shadow {
-    box-shadow: none;
-    -moz-box-shadow: none;
-    -webkit-box-shadow: none;
+
+@media (max-width: 719px) {
+  .dac-header {
+    text-align: center;
+  }
+
+  .dac-header-logo {
+    border-right: 0;
+    display: inline-block;
+    margin-right: 0;
+    float: none;
+    padding-left: 0;
+    padding-right: 0;
+  }
+
+  .dac-header-console-btn {
+    display: none;
+  }
 }
-.slideshow-develop img.play.no-transform {
-  -webkit-transform: none;
+
+/* Header Breadcrumbs component */
+.dac-header-crumbs {
+  list-style-type: none;
+  margin: 23px 0 -13px 0;
+  display: inline-block;
 }
-.slideshow-develop a.slideshow-next {
-  background: url(../images/arrow-right-develop.png);
+
+body.no-crumbs .dac-header-crumbs {
+  display:none;
 }
-.slideshow-develop a.slideshow-prev {
-  background: url(../images/arrow-left-develop.png);
+
+.dac-header-crumbs.dac-has-content {
+  opacity: 1;
 }
-.slideshow-develop .content-right {
+
+.dac-header-crumbs-item {
   float: left;
+  position: relative;
+  margin: 0;
+  padding: 0;
 }
-.slideshow-develop .content-right h2 {
-  padding:0;
-  margin-bottom:10px;
-  border:none;
-  font-size:24px;
+
+.dac-header-crumbs-item i, .dac-header-crumbs-item .dac-nav-link-forward {
+  display: none;
+}
+
+.dac-header-crumbs-item:before {
+  content: '';
+  background: transparent url(../images/styles/disclosure_right.png) no-repeat scroll 50% 50%;
+  width: 10px;
+  height: 10px;
+  display: inline-block;
+  position: absolute;
+  top: 12px;
+  left: -15px;
 }
-.slideshow-develop .item {
-  height: 300px;
-  width: 940px;
+
+.dac-header-crumbs-item:first-child:before {
+  content: none;
 }
-.slideshow-develop .pagination ul li.active {
-  background-color: #F80;
+
+.dac-header-crumbs-link {
+  display: block;
+  font-size: 16px;
+  line-height: 32px;
+  padding: 0 20px 0 0;
 }
-.slideshow-develop .pagination ul li.active:hover {
-  background-color: #F80;
+
+.dac-header-crumbs-link, .dac-header-crumbs-link:hover, .dac-header-crumbs-link:focus {
+  color: #666;
 }
-.slideshow-develop .item hr {
-  margin:5px 0 10px;
+
+.dac-header-crumbs-link:focus {
+  outline: 0;
+  text-decoration: underline;
 }
-.slideshow-develop .item p {
-  margin:10px 0;
+
+.dac-header-crumbs-link.current {
+  font-weight: 400;
 }
-.slideshow-develop .item p.title-intro {
-  position:absolute;
-  margin:0;
+
+/* Header site search component */
+.dac-header-search {
+  bottom: 64px;
+  position: absolute;
+  right: 220px;
+  top: 0;
+  width: 238px;
+  -webkit-transition: width 300ms, right 100ms, margin 100ms;
+  transition: width 300ms, right 100ms, margin 100ms;
 }
 
-/* Feeds */
-.feed ul {
-  margin: 0;
+.dac-studio .dac-header-search {
+  right: 20px; /* move searchbar farther right, because there's no button */
 }
-.feed .feed-nav {
-  height: 25px;
-  border-bottom: 1px solid #CCC;
+
+.dac-header-search-inner {
+  margin: 0 auto;
+  max-width: 940px;
+  position: relative;
+  width: 100%;
 }
-.feed .feed-nav li {
-  list-style: none;
-  float: left;
-  height: 21px; /* +4px bottom border = 25px; same as .feed-nav */
-  margin-right: 25px;
-  cursor: pointer;
+
+@media (min-width: 980px) {
+  .dac-header-search-inner::after {
+    background: -webkit-linear-gradient(right, #6ab344, rgba(106, 179, 68, 0));
+    background: linear-gradient(to left, #6ab344, rgba(106, 179, 68, 0));
+    content: '';
+    display: block;
+    height: 64px;
+    position: absolute;
+    right: 100%;
+    top: 0;
+    -webkit-transition: opacity 200ms, -webkit-transform 300ms;
+    transition: opacity 200ms, transform 300ms;
+    -webkit-transform-origin: right center;
+    -ms-transform-origin: right center;
+    transform-origin: right center;
+    width: 64px;
+  }
+  .dac-studio .dac-header-search-inner::after {
+    background: -webkit-linear-gradient(right, #424242, rgba(66, 66, 66, 0));
+    background: linear-gradient(to left, #424242, rgba(66, 66, 66, 0));
+  }
+
+  .dac-search-mode .dac-header-search-inner::after {
+    opacity: 0;
+    -webkit-transform: scaleX(0);
+    -ms-transform: scaleX(0);
+    transform: scaleX(0);
+  }
 }
-.feed .feed-nav li.active {
-  color: #000;
-  border-bottom: 4px solid #F80;
+
+.dac-header-search-icon {
+  left: 8px;
+  pointer-events: none;
+  position: absolute;
+  top: 18px;
 }
-.feed .feed-container {
-  overflow: hidden;
-  width: 460px;
+
+.dac-header-search-input {
+  background: #77be53;
+  border-radius: 3px;
+  border: none;
+  box-sizing: border-box;
+  color: #fff;
+  font-size: 14px;
+  font-weight: 600;
+  margin: 13px 0;
+  padding: 9px 36px 10px;
+  -webkit-transition: background 200ms, color 200ms;
+  transition: background 200ms, color 200ms;
+  width: 100%;
 }
-.feed .feed-container .feed-frame {
-  width: 1000px;
+
+.dac-studio .dac-header-search-input {
+  background: rgba(255, 255, 255, 0.3);
 }
-.feed .feed-container .feed-frame ul {
-  float: left;
-  width:460px;
+
+.dac-header-search-close, .dac-header-search-clear {
+  background: none;
+  border: none;
+  cursor: pointer;
+  font-size: 0;
+  outline: none;
+  position: absolute;
+  margin: 0;
 }
-.feed .feed-container .feed-frame ul ul {
-  float: none;
-  margin:10px 0 0 30px;
+
+.dac-header-search-clear {
+  display: inline-block;
+  opacity: .4;
+  padding: 8px;
+  top: 15px;
+  right: 0;
 }
-.feed .feed-container .feed-frame li {
-  list-style: none;
-  margin: 20px 0 20px 0;
-  width: 460px;
-  height:93px;
+
+.dac-header-search-clear:hover, .dac-header-search-clear:focus {
+  opacity: .8;
 }
-.feed .feed-container .feed-frame li.playlist {
-  height:auto;
+
+.dac-header-search-close {
+  left: -45px;
+  top: 20px;
+  -webkit-transform: translateX(45px);
+  -ms-transform: translateX(45px);
+  transform: translateX(45px);
+  visibility: hidden;
 }
-.feed .feed-container .feed-frame li.playlist a {
-  height:93px;
-  display:block;
+
+.dac-header-search ::-webkit-input-placeholder {
+  color: #fff;
+  font-weight: 300;
+  -webkit-transition: color 200ms;
+  transition: color 200ms;
 }
-.feed .feed-container .feed-frame li.more {
-  height:20px;
-  margin:10px 0 5px 5px;
+
+.dac-header-search :-moz-placeholder {
+  color: #fff;
+  font-weight: 300;
+  transition: color 200ms;
 }
-.feed .feed-container .feed-frame li.more a {
-  height:inherit;
+
+.dac-header-search ::-moz-placeholder {
+  color: #fff;
+  font-weight: 300;
+  transition: color 200ms;
 }
-.feed .feed-container .feed-frame li.playlist-video {
-  list-style: none;
-  margin: 0;
-  width: 460px;
-  height:55px;
-  font-size:12px;
+
+.dac-header-search :-ms-input-placeholder {
+  color: #fff;
+  font-weight: 300;
+  transition: color 200ms;
 }
-.feed .feed-container .feed-frame li.playlist-video a {
-  height:45px;
-  padding:5px;
+
+.dac-header-search-input:focus {
+  outline: 0;
 }
-.feed .feed-container .feed-frame li.playlist-video h5 {
-  font-size:12px;
-  line-height:13px;
-  margin:0;
+
+.dac-search-mode .dac-header-search {
+  width: 940px;
+  right: 50%;
+  margin-right: -470px;
 }
-.feed .feed-container .feed-frame li.playlist-video p {
-  margin:5px 0 0;
-  line-height:15px;
+
+.dac-search-mode .dac-header-search .dac-header-search-input::after {
+  background: -webkit-linear-gradient(right, #b0bec5, rgba(176, 190, 197, 0));
+  background: linear-gradient(to left, #b0bec5, rgba(176, 190, 197, 0));
 }
-.feed-container .feed-frame div.feed-image {
-  float: left;
-  border: 1px solid #999;
-  margin:0 20px 0 0;
-  width:122px;
-  height:92px;
-  background:url('../images/blog-default.png') no-repeat 0 0;
-  background-size:180px;
+
+.dac-search-mode .dac-header-search .dac-header-search-close {
+  -webkit-transition: -webkit-transform 200ms ease-out 300ms;
+  transition: transform 200ms ease-out 300ms;
+  -webkit-transform: translateX(0);
+  -ms-transform: translateX(0);
+  transform: translateX(0);
+  visibility: visible;
 }
-#jd-content .feed .feed-container .feed-frame li img {
-  float: left;
-  border: 1px solid #999;
-  margin:0 20px 0 0;
-  width:122px;
-  height:92px;
+
+.dac-search-mode .dac-header-search .dac-header-search-icon {
+  left: 23px;
 }
-#jd-content .feed .feed-container .feed-frame li.playlist-video img {
-  width:inherit;
-  height:inherit;
+
+.dac-search-mode .dac-header-search .dac-header-search-input {
+  background: #fff;
+  border-radius: 0;
+  font-size: 18px;
+  color: #666;
+  padding-left: 55px;
+  margin-top: 11px;
 }
 
-.feed .feed-container .feed-frame li a,
-.feed .feed-container .feed-frame li a:active {
-  color:#555 !important;
+.dac-search-mode .dac-header-search ::-webkit-input-placeholder {
+  color: #505050;
 }
 
-.feed .feed-container .feed-frame li a:hover,
-.feed .feed-container .feed-frame li a:hover * {
-  color:#7AA1B0 !important;
+.dac-search-mode .dac-header-search :-moz-placeholder {
+  color: #505050;
 }
 
-/* Video player */
-#player-wrapper {
-  display:none;
-  margin: -1px auto 0;
-  position: relative;
-  width: 940px;
-  height: 0px;
+.dac-search-mode .dac-header-search ::-moz-placeholder {
+  color: #505050;
 }
-#player-frame {
-  background: #EFEFEF;
-  border: 1px solid #CCC;
-  padding: 0px 207px;
-  z-index: 10; /* stay above marque, but below search suggestions */
-  width: 525px;
-  height: 330px;
-  position: relative;
+
+.dac-search-mode .dac-header-search :-ms-input-placeholder {
+  color: #505050;
 }
 
+@media (min-width: 720px) and (max-width: 979px) {
+  .dac-studio .dac-header-search,
+  .dac-header-search {
+    right: 20px;
+    width: 200px;
+    -webkit-transition: left 200ms, right 200ms, width 200ms;
+    transition: left 200ms, right 200ms, width 200ms;
+  }
 
+  .dac-search-mode .dac-header-search {
+    left: 60px;
+    right: 0;
+    width: 100%;
+  }
 
-/************ DEVELOP TOPIC CONTAINERS ************/
+  .dac-search-mode .dac-header-search .dac-header-search-inner {
+    margin: 0;
+    width: calc(100% - 60px - 10px);
+  }
 
-.landing-banner,
-.landing-docs {
-  margin:20px 0;
-}
-.landing-banner > div:first-child,
-.landing-docs > div:first-child,
-.landing-docs > .col-12 {
-  margin-left:0;
-  min-height:280px;
-}
-.landing-banner.short > div {
-  min-height:50px;
+  .dac-header-search-close {
+    left: -42px;
+  }
 }
-.landing-banner > div:last-child,
-.landing-docs > div:last-child,
-.landing-docs > .col-12 {
-  margin-right:0;
+
+@media (max-width: 719px) {
+  .dac-header-search {
+    bottom: 0;
+    border-radius: 0;
+    border-left: 1px solid rgba(0, 0, 0, 0.1);
+    cursor: pointer;
+    left: calc(100% - 64px);
+    margin: 0;
+    overflow: hidden;
+    padding-left: 10px;
+    padding-right: 10px;
+    position: absolute;
+    right: 0;
+    top: 0;
+  }
+
+  .dac-header-search-input {
+    background: none;
+    cursor: pointer;
+    opacity: 0;
+  }
+
+  .dac-search-mode .dac-header-search {
+    background: #b0bec5;
+    cursor: default;
+    overflow: visible;
+    left: 60px;
+    right: 0;
+    width: 100%;
+    -webkit-transition: left 200ms, right 200ms, width 200ms;
+    transition: left 200ms, right 200ms, width 200ms;
+    padding: 0;
+    border: none;
+  }
+
+  .dac-search-mode .dac-header-search .dac-header-search-inner {
+    margin: 0;
+    width: calc(100% - 60px - 10px);
+  }
+
+  .dac-search-mode .dac-header-search .dac-header-search-input {
+    opacity: 1;
+  }
 }
 
-.landing-banner > div > *:last-child {
-  margin-bottom:0;
+.highlighted em {
+  color: #333;
+  font-style: normal;
+  font-weight: 700;
 }
-.landing-banner h1 {
-  margin-top:16px;
-  padding-bottom:24px;
+
+.card-info .title.highlighted {
+  color: #666;
 }
-.landing-docs,
-.landing-banner {
-  clear:both;
-  overflow:hidden;
+
+/* Main navigation component */
+.dac-nav-sidebar {
+  background: #f5f8fa;
+  border-right: 1px solid rgba(0, 0, 0, 0.1);
+  bottom: 0;
+  left: 0;
+  overflow: hidden;
+  padding: 0;
+  position: fixed;
+  top: 64px;
+  -webkit-transform: translate(-100%, 0);
+  -ms-transform: translate(-100%, 0);
+  transform: translate(-100%, 0);
+  width: 250px;
+  z-index: 60;
 }
-.landing-docs h3 {
-  font-size:14px;
-  line-height:21px;
-  color:#555;
-  text-transform:uppercase;
-  border-bottom:1px solid #CCC;
-  margin:0 0 20px;
+
+.dac-nav-animating .dac-nav-sidebar {
+  -webkit-transition: -webkit-transform .3s;
+  transition: transform .3s;
 }
-.landing-docs a {
-  color:#333 !important;
+
+.dac-nav-open .dac-nav-sidebar {
+  -webkit-transform: translate(0, 0);
+  -ms-transform: translate(0, 0);
+  transform: translate(0, 0);
 }
 
-.landing-docs a:hover,
-.landing-docs a:hover * {
-  color:#7AA1B0 !important
+.dac-search-mode .dac-nav-sidebar {
+  -webkit-transition: -webkit-transform .3s;
+  transition: transform .3s;
+  -webkit-transform: translate(-100%, 0);
+  -ms-transform: translate(-100%, 0);
+  transform: translate(-100%, 0);
 }
 
-.landing-docs .normal-links a {
-  color:#258aaf !important;
+.dac-nav .dac-swap-section {
+  -webkit-transition-duration: .3s;
+  transition-duration: .3s;
 }
 
-.plusone {
-  float:right;
+.dac-nav-back {
+  margin-top: -3px;
+  margin-right: 10px;
 }
 
+.dac-nav-fullscreen {
+  background: transparent;
+  border: none;
+  bottom: 100%;
+  cursor: pointer;
+  display: none;
+  opacity: .8;
+  outline: none;
+  padding: 20px 15px;
+  position: absolute;
+  right: 0;
+}
 
+@media (min-width: 980px) {
+  .dac-nav-fullscreen {
+    display: inline-block;
+  }
+}
 
-.next-docs {
-  border-top:1px solid #ccc;
-  margin:40px 0 0;
-  padding:5px 0 0;
-  clear:left;
-  overflow:hidden;
+.dac-nav-fullscreen:hover {
+  opacity: 1;
 }
-.next-docs div:first-child {
-  margin-left:0;
+
+.dac-nav-sub-slider {
+  cursor: pointer;
+  opacity: .5;
+  position: absolute;
+  right: 7px;
+  top: 5px;
 }
-.next-docs div:last-child {
-  margin-right:0;
+
+.dac-nav-back-button {
+  background: #546e7a;
+  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+  display: block;
+  font-weight: 500;
+  font-size: 18px;
+  left: 0;
+  margin: 0;
+  padding: 20px;
+  position: absolute !important;
+  right: 0;
+  top: 0;
+  z-index: 1;
 }
 
-.next-docs h2 {
-  font-size:14px;
-  line-height:21px;
-  color:#555;
-  text-transform:uppercase;
-  border-bottom:none;
-  margin:0 0 1em;
-  padding:5px 0 0;
+.dac-nav-back-button,
+.dac-nav-back-button:hover,
+.dac-nav-back-button:active,
+.dac-nav-back-button:focus     {
+  color: rgba(255, 255, 255, 0.7);
 }
 
+/* The back button in Studio and NDK left nav */
+.dac-nav-back-button.back-to-dev {
+  background: none;
+  color: #444;
+  position: relative !important;
+  top: -16px;
+}
 
+.dac-nav-back-button.back-to-dev:hover,
+.dac-nav-back-button.back-to-dev:active,
+.dac-nav-back-button.back-to-dev:focus {
+  color: rgba(68, 68, 68, .7);
+}
 
-/************* HOME/LANDING PAGE *****************/
+.dac-nav-back-button:focus .dac-nav-back {
+  outline-color: rgb(77, 144, 254);
+  outline-offset: 15px;
+  outline-style: auto;
+}
 
-.slideshow-home {
-  height: 500px;
-  width: 940px;
-  border-bottom: 1px solid #CCC;
-  position: relative;
-  margin: 0;
+.dac-nav-back-button > .dac-sprite, .dac-nav-back-button > .dac-modal-header-close:before, .paging-links .dac-nav-back-button > .prev-page-link:before, .paging-links .dac-nav-back-button > .next-page-link:before, .paging-links .dac-nav-back-button > .next-class-link:before, .paging-links .dac-nav-back-button > .start-class-link:after {
+  opacity: .7;
 }
-.slideshow-home .frame {
-  width: 940px;
-  height: 500px;
+
+.dac-nav-logo {
+  font-size: 20px;
+  font-weight: 300;
+  letter-spacing: .3px;
+  line-height: 36px;
+  margin: 0;
+  padding: 14px 24px;
 }
-.slideshow-home .content-left {
-  float: left;
-  text-align: center;
-  vertical-align: center;
-  margin: 0 0 0 35px;
+
+.dac-nav-logo, .dac-nav-logo:hover, .dac-nav-logo:focus {
+  color: #444;
 }
-.slideshow-home .content-right {
-  margin: 80px 0 0 0;
+
+.dac-nav-list {
+  bottom: 0;
+  left: 0;
+  list-style-type: none;
+  margin: 0;
+  -webkit-overflow-scrolling: touch;
+  overflow-y: scroll;
+  padding: 16px 0;
+  position: absolute !important;
+  right: 0;
+  top: 0 !important;
+  scrollbar-face-color: #b7baba;
+  scrollbar-track-color: #e5e8e9;
 }
-.slideshow-home .content-right p {
-  margin-bottom: 10px;
+
+.dac-nav-list::-webkit-scrollbar {
+  width: 4px;
+  height: 4px;
 }
-.slideshow-home .content-right p:last-child {
-  margin-top: 15px;
+
+.dac-nav-list::-webkit-scrollbar-thumb {
+  background: #b7baba;
 }
-.slideshow-home .content-right h1 {
-  padding:0;
+
+.dac-nav-list::-webkit-scrollbar-track {
+  background: #e5e8e9;
 }
-.slideshow-home .item {
-  height: 500px;
-  width: 940px;
+
+.dac-nav-secondary {
+  margin: 0;
 }
-.home-sections {
-  padding: 30px 20px 20px;
-  margin: 20px 0;
-  background: -webkit-linear-gradient(top, #F6F6F6,#F9F9F9);
+
+.dac-nav-item {
+  list-style-type: none;
+  margin: 0 0 10px;
+  position: relative;
 }
-.home-sections ul {
-  margin: 0;
+
+.dac-nav-secondary .dac-nav-item {
+  margin-bottom: 0;
 }
-.home-sections ul li {
-  float: left;
+
+.dac-nav-head {
   display: block;
-  list-style: none;
-  width: 170px;
-  height: 35px;
-  border: 1px solid #ccc;
-  background: white;
-  margin-right: 10px;
-  border-radius: 1px;
-  -webkit-border-radius: 1px;
-  -moz-border-radius: 1px;
-  box-shadow: 1px 1px 5px #EEE;
-  -webkit-box-shadow: 1px 1px 5px #EEE;
-  -moz-box-shadow: 1px 1px 5px #EEE;
-  background: white;
-}
-.home-sections ul li:hover {
-  background: #F9F9F9;
-  border: 1px solid #CCC;
+  font-size: 16px;
+  font-weight: 300;
+  letter-spacing: .24px;
+  line-height: 32px;
+  margin-bottom: 20px;
+  margin-top: 0;
 }
-.home-sections ul li a,
-.home-sections ul li a:hover {
-  font-weight: bold;
-  margin-top: 8px;
-  line-height: 18px;
-  float: left;
+
+.dac-nav-dimmer {
+  background: #000;
+  display: block;
+  height: 100%;
+  left: 0;
+  opacity: 0;
+  position: fixed;
+  top: 0;
+  -webkit-transform: translateZ(0);
+  transform: translateZ(0);
+  visibility: hidden;
   width: 100%;
-  text-align: center;
-  color: #09c !important;
+  z-index: 60;
 }
-.home-sections ul li a {
-  font-weight: bold;
-  margin-top: 8px;
-  line-height: 18px;
-  float: left;
-  width:100%;
-  text-align:center;
+
+.dac-nav-animating .dac-nav-dimmer {
+  -webkit-transition: visibility 0s linear .3s, opacity .3s linear;
+  transition: visibility 0s linear .3s, opacity .3s linear;
 }
-.home-sections ul li img {
-  float: left;
-  margin: -8px 0 0 10px;
+
+.dac-nav-open .dac-nav-dimmer {
+  opacity: .8;
+  -webkit-transition-delay: 0s;
+  transition-delay: 0s;
+  visibility: visible;
 }
-.home-sections ul li.last {
-  margin-right: 0px;
+
+@media (min-width: 980px) {
+  .dac-nav-dimmer {
+    display: none;
+  }
 }
-.fullpage #footer {
-  margin-top: -40px;
+
+.dac-nav-hamburger {
+  display: inline-block;
+  float: left;
+  height: 15px;
+  padding: 22px 20px;
+  width: 18px;
 }
 
-/************ DISTRIBUTE PAGES ******************/
+@media (max-width: 719px) {
+  .dac-nav-hamburger {
+    border-right: 1px solid rgba(0, 0, 0, 0.1);
+    left: 0;
+    padding-bottom: 27px;
+    position: absolute;
+    top: 0;
+  }
+}
 
-.article-detail #body-content {
-  padding-top: 10px;
+.dac-nav-hamburger-top, .dac-nav-hamburger-mid, .dac-nav-hamburger-bot {
+  background: rgba(0, 0, 0, 0.4);
+  display: block;
+  height: 2px;
+  margin: 3px 0 0;
+  opacity: .5;
+  width: 100%;
 }
 
-/* A container for grid sets with uppercase h3 and rule */
-.dynamic-grid h3 {
-  font-size:14px;
-  line-height:21px;
-  color:#555;
-  text-transform:uppercase;
-  border-bottom:1px solid #CCC;
-  padding:8px 0 0 1px;
-  margin-bottom:14px;
-  clear:both;
+.dac-studio .dac-nav-hamburger-top,
+.dac-studio .dac-nav-hamburger-mid,
+.dac-studio .dac-nav-hamburger-bot {
+  background: rgba(256, 256, 256, 0.4);
 }
 
-.top-right-float {
-  float: right;
+.dac-nav-animating .dac-nav-hamburger-top, .dac-nav-animating .dac-nav-hamburger-mid, .dac-nav-animating .dac-nav-hamburger-bot {
+  -webkit-transition: opacity .3s;
+  transition: opacity .3s;
 }
 
-.clearfloat {
-  float: none;
-  clear: both;
+@media (max-width: 719px) {
+  .dac-nav-hamburger-top, .dac-nav-hamburger-mid, .dac-nav-hamburger-bot {
+    background: #fff;
+    opacity: 1;
+  }
 }
 
-.border-img {
-  border: 1px solid #CCC;
+.dac-nav-open .dac-nav-hamburger-top,
+  .dac-nav-open .dac-nav-hamburger-mid,
+  .dac-nav-open .dac-nav-hamburger-bot {
+  opacity: 1;
 }
 
-.center-img {
-  margin: auto;
-  text-align: center;
+.dac-search-mode .dac-nav-hamburger {
+  opacity: 0;
+  visibility: hidden;
+  -webkit-transition: visibility 0s linear 200ms, opacity 200ms linear;
+  transition: visibility 0s linear 200ms, opacity 200ms linear;
 }
-.center-img img {
-  margin-bottom: 15px;
+
+.dac-nav-link {
+  color: #444;
+  display: block;
+  font-size: 14px;
+  text-transform: uppercase;
+  font-weight: 500;
+  letter-spacing: .24px;
+  padding: 5px 20px;
+  -webkit-transition: background-color 0.35s cubic-bezier(0.35, 0, 0.25, 1);
+  transition: background-color 0.35s cubic-bezier(0.35, 0, 0.25, 1);
 }
 
-.figure img, .border-img {
-  margin-bottom: 15px;
+.dac-nav-link:hover, .dac-nav-link:focus {
+  color: rgba(68, 68, 68, 0.7);
 }
 
-/************ RESOURCE CARDS ******************/
+.dac-nav-link:focus {
+  background: rgba(63, 81, 181, 0.1);
+  outline: 0;
+}
 
-/* Resource cards, 12, 13, 16-col */
+.dac-nav-secondary .dac-nav-link {
+  font-size: 12px;
+  font-weight: 400;
+  padding-left: 40px;
+  text-transform: none;
+}
 
-/* Basic card-styling with shadow */
-.resource-card {
-  border-radius: 1px;
-  box-shadow: 1px 2px 5px rgba(0, 0, 0, 0.12);
-  background: #fefefe;
+.dac-nav-link.selected {
+  background: rgba(63, 81, 181, 0.1);
+  color: #039bef;
+  position: relative;
 }
 
-/* Styling for background image including tinting and section icons in stacks */
-.card-bg {
-  display: block;
+.dac-nav-link-forward {
+  background: #546E7A;
+  color: #fff;
+  cursor: pointer;
+  display: inline-block;
+  line-height: 34px;
+  padding: 0;
   position: absolute;
-  vertical-align: top;
-  width: 100%;
-  left: 0;
+  right: 0;
   top: 0;
-  background-size: cover;
-  background-repeat: no-repeat;
-  background-position: center;
-  background-image: url(../images/resource-card-default-android.jpg);
-}
-.card-bg:after {
-  content: "";
-  display: block;
-  height: 100%;
-  width: 100%;
-  opacity: 1;
-  background: rgba(0, 0, 0, 0.2);
-  -webkit-transition: opacity 0.5s;
-  -moz-transition: opacity 0.5s;
-  -o-transition: opacity 0.5s;
-  transition: opacity 0.5s;
-}
-.static .card-bg:after {
-  display:none;
-}
-.card-bg .card-section-icon {
-  position: absolute;
-  top: 50%;
-  width: 100%;
-  margin-top: -35px;
   text-align: center;
-  padding-top: 65px;
-  z-index: 100;
-}
-.card-bg .card-section-icon .icon {
-  position: absolute;
-  left: 50%;
-  margin-left: -28px;
-  top: 0px;
-  width: 56px;
-  height: 56px;
-  background-repeat: no-repeat;
-  background-position: 50% 50%;
-  background-image: url(../images/stack-icon.png);
+  width: 34px;
 }
-.card-bg .card-section-icon .section {
-  text-transform: uppercase;
-  color: white;
-  font-size: 14px;
+
+.dac-nav-link-forward > .dac-nav-forward {
+  opacity: .7;
+  vertical-align: -3px;
 }
 
-.card-info {
-  position: absolute;
-  -webkit-box-sizing: border-box;
-  -moz-box-sizing: border-box;
-  box-sizing: border-box;
-  top: 0;
-  right: 0;
+.dac-nav-sub {
   bottom: 0;
   left: 0;
-  overflow: hidden;
-  background: #fefefe;
-  padding: 4px 12px 6px 12px;
+  position: absolute !important;
+  top: 65px !important;
+  right: 0;
+  z-index: 1;
 }
-.card-info .section {
-  text-transform: uppercase;
-  color: #898989;
-  font-size: 12px;
-  margin-bottom: 1px;
+
+#body-content {
+  padding-top: 64px;
 }
-.card-info .title {
-  color: #363636;
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  padding-bottom: 5px;
-  margin-bottom: -2px;
-  font-size: 16px;
+
+.dac-nav-animating #body-content {
+  -webkit-transition: padding .3s;
+  transition: padding .3s;
 }
-.card-info .description {
-  overflow: hidden;
+
+@media (min-width: 980px) {
+  .dac-nav-open #body-content {
+    padding-left: 250px;
+  }
+
+  /* Do not show nav toggle on large screens (when no subnav) */
+  body.no-subnav .dac-nav-toggle {
+    display:none;
+  }
+  body.no-subnav .dac-header-logo {
+    padding-left:20px;
+  }
+  /* ...If the page is also full-width, then don't show left nav at all */
+  body.no-subnav.full-width .dac-nav {
+    display: none;
+  }
+  body.no-subnav.full-width #body-content {
+    padding-left:0;
+  }
 }
-.card-info .description .text {
-  color: #464646;
-  font: 13px/15px Roboto Condensed;
+
+.dac-nav-open {
   overflow: hidden;
-  width:100%;
 }
-.card-info .description .util {
-  position: absolute;
-  right: 5px;
-  bottom: 70px; /*-2px;*/
-  opacity: 0;
-  -webkit-transition: opacity 0.5s;
-  -moz-transition: opacity 0.5s;
-  -o-transition: opacity 0.5s;
-  transition: opacity 0.5s;
+
+@media (min-width: 980px) {
+  .dac-nav-open {
+    overflow: visible;
+  }
 }
-.card-info.empty-desc .title {
-  white-space: normal;
-  overflow: visible;
+
+#devdoc-nav {
+  height: 100%;
 }
-.card-info.empty-desc .description {
+
+.data-reference-resources-wrapper {
   display: none;
 }
-/* Truncate card summaries at bounding box and
- * and apply ellipsis at lower right */
-.ellipsis {
+
+.dac-reference-nav {
+  height: calc(100% - 36px);
   overflow: hidden;
-  float:right;
-  line-height: 15px;
-  width:100%;
-}
-.resource-card-6x6 .card-info .description .teddddddxt {
- float:left;
-  position:relative;
-  margin-left:0;
+  position: relative;
 }
-.ellipsis:before {
-  content:"";
-  float: left;
-  width: 5px;
-  height:100%;
+
+.dac-reference-nav ul,
+  .dac-reference-nav li {
+  margin: 0;
+  list-style-type: none;
 }
-.ellipsis > *:first-child.text {
-  float: right;
-  width: 100%  !important;
-  margin-left: -5px;
-}
-.ellipsis:after {
-  content: "\02026";
-  height:17px;
-  padding-bottom:4px;
-
-  box-sizing: content-box;
-  -webkit-box-sizing: content-box;
-  -moz-box-sizing: content-box;
-
-  float: right; position: relative;
-  top: -16px; left: 100%;
-  width: 4em; margin-left: -4em;
-  padding-right: 5px;
-
-  background: -webkit-gradient(linear, left top, right top,
-    from(rgba(255, 255, 255, 0)), to(white), color-stop(65%, white));
-  background: -moz-linear-gradient(to right, rgba(255, 255, 255, 0), white 65%, white);
-  background: -o-linear-gradient(to right, rgba(255, 255, 255, 0), white 65%, white);
-  background: -ms-linear-gradient(to right, rgba(255, 255, 255, 0), white 65%, white);
-  background: linear-gradient(to right, rgba(255, 255, 255, 0), white 65%, white);
-}
-.ellipsis:after {
-  font-style: normal; color: #aaa;
-  font-size:13px;
-  text-align: right;
+
+.dac-reference-nav-list {
+  bottom: 0;
+  overflow: hidden;
+  overflow-y: scroll;
+  left: 0;
+  padding: 10px;
+  padding-left: 20px;
+  position: absolute;
+  right: 0;
+  top: 0;
+  scrollbar-face-color: #9da4a7;
+  scrollbar-track-color: #c4cdd1;
 }
 
-/* Flow Layout */
-.resource-flow-layout {
-  display: inline-block;
+.dac-reference-nav-list::-webkit-scrollbar {
+  width: 4px;
+  height: 4px;
 }
-.resource-flow-layout .resource-card, .resource-flow-layout .resource-card-stack {
-  float: left;
-  position: relative;
+
+.dac-reference-nav-list::-webkit-scrollbar-thumb {
+  background: #9da4a7;
 }
-.resource-flow-layout .resource-card-stack > .resource-card {
-  margin-right: 0px !important;
+
+.dac-reference-nav-list::-webkit-scrollbar-track {
+  background: #c4cdd1;
 }
-.resource-flow-layout:after {
-  content: ".";
-  display: block;
-  height: 0;
-  position:relative;
-  clear: both;
-  visibility: hidden;
+
+.dac-reference-nav-resources {
+  display: none;
+  padding: 0 0 0 13px;
 }
-.resource-card:hover {
+
+.dac-reference-nav-resource,
+.dac-reference-nav-toggle {
+  color: #505050;
   cursor: pointer;
+  display: block;
+  font-size: 12px;
+  line-height: 1;
+  overflow: hidden;
+  margin: 0;
+  padding: 3px 0;
+  position: relative;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
-.static .resource-card:hover {
-  cursor: auto;
+
+.dac-reference-nav-toggle {
+  margin-left: -12px;
+  padding-left: 12px;
 }
-.resource-card:hover .card-bg:after {
-  opacity: 0;
+
+.selected > .dac-reference-nav-resource {
+  color: #039bef;
+  font-weight: 600;
 }
-/* disabled to make way for fade/ellipsis truncation,
-   and the plusone moves up.
-.resource-card:hover .card-info .description .text {
-  padding-right: 70px;
-} */
-.resource-card:hover .card-info .description .util {
-  opacity: 1;
+
+.dac-reference-nav-toggle::before {
+  background: transparent url(../images/styles/disclosure_up.png) no-repeat center center;
+  content: '';
+  display: block;
+  height: 19px;
+  left: 0;
+  position: absolute;
+  top: 0;
+  width: 8px;
 }
 
-/* Carousel Layout */
-/* Carousel styles for landing page */
-.resource-carousel-layout {
-  margin: 20px 0 20px 0;
-  position: relative;
-  overflow: hidden;
+.dac-reference-nav-toggle.dac-closed::before {
+  -webkit-transform: scaleY(-1);
+  -ms-transform: scaleY(-1);
+  transform: scaleY(-1);
 }
-.resource-carousel-layout .slideshow-prev, .resource-carousel-layout .slideshow-next {
-  display: none;
+
+/* nav */
+#nav {
+  background: #cfd8dc;
+  bottom: 0;
+  left: 0;
+  margin: 0;
+  -webkit-overflow-scrolling: touch;
+  overflow-y: scroll;
+  position: absolute !important;
+  right: 0;
+  top: 0 !important;
+  padding: 10px;
+  scrollbar-face-color: #9da4a7;
+  scrollbar-track-color: #c4cdd1;
+  /* section header links */
+  /* nested nav headers */
 }
-.resource-carousel-layout .pagination {
-  bottom: 0px;
+
+#nav::-webkit-scrollbar {
+  width: 4px;
+  height: 4px;
 }
-.resource-carousel-layout .frame li {
-  position: relative;
+
+#nav::-webkit-scrollbar-thumb {
+  background: #9da4a7;
 }
-.resource-carousel-layout .frame li .card-bg {
-  height: 300px;
+
+#nav::-webkit-scrollbar-track {
+  background: #c4cdd1;
 }
-.resource-carousel-layout .frame li .card-info {
-  padding: 7px 15px 0px 15px;
-  top: 300px;
+
+#nav li {
+  font-size: 12px;
+  line-height: 18px;
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
 }
-.resource-carousel-layout .frame li .card-info .section {
-  font-size: 13px;
-  margin-bottom: 7px;
+
+#nav a {
+  color: #505050;
+  text-decoration: none;
+  word-wrap: break-word;
 }
-.resource-carousel-layout .frame li .card-info .title {
-  font-size: 25px;
-  margin-bottom: 2px;
+
+#nav .nav-section-header {
+  padding: 0 30px 0 0;
+  position: relative;
+  -webkit-transition: background-color .1s;
+  transition: background-color .1s;
 }
-.resource-carousel-layout .frame li .card-info .description {
-  font-family: 15px/16px Roboto Condensed, sans-serif;
+
+#nav .nav-section-header.empty {
+  padding: 0;
 }
-.resource-carousel-layout .frame li .card-info .description .text {
-  height: 40px;
+
+#nav .nav-section-header.empty::after {
+  display: none;
 }
-.resource-carousel-layout .frame li .card-info .description .util {
-  bottom:97px;
-  right:4px;
+
+#nav .nav-section-header .toggle-icon {
+  background: transparent url(../images/styles/disclosure_down.png) no-repeat scroll 50% 50%;
+  content: '';
+  height: 34px;
+  display: block;
+  position: absolute;
+  right: 0;
+  top: 1px;
+  width: 34px;
 }
 
-/* Stack Layout */
-.resource-stack-layout {
-  display: inline-block;
+#nav li.selected a {
+  color: #0288D1;
 }
-.resource-stack-layout .resource-card-stack {
-  float: left;
-  position: relative;
+
+#nav li.selected ul li a {
+  color: #505050;
 }
-.resource-stack-layout .resource-card {
-  margin-bottom: 20px;
-  display: block;
-  position: relative;
+
+#nav li.expanded .nav-section-header {
+  background: #bac2c6;
 }
-.resource-stack-layout .section-card-menu > .card-info .section, .resource-stack-layout .section-card > .card-info .title {
-  /*text-transform: uppercase;*/
-  color: #898989;
-  font-size: 17px;
-  line-height: 24px;
-  margin-bottom: 6px;
+
+#nav li.expanded .nav-section-header.empty {
+  background: none;
 }
-.resource-stack-layout .section-card {
-  height: 284px;
+
+#nav li.expanded li .nav-section-header {
+  background: none;
 }
-.resource-stack-layout .section-card > .card-bg {
-  height: 192px;
+
+#nav li.expanded li ul {
+  padding: 0 10px;
 }
-.resource-stack-layout .section-card > .card-info {
-  padding: 4px 12px 6px 12px;
-  top: 192px;
+
+#nav li.expanded > .nav-section-header .toggle-icon {
+  content: '';
+  background: transparent url(../images/styles/disclosure_up.png) no-repeat scroll 50% 50%;
+  width: 34px;
+  height: 34px;
 }
-.resource-stack-layout .section-card > .card-info .section {
-  display: none;
+
+#nav li.expanded li ul.tree-list-children {
+  padding: 0;
 }
-.resource-stack-layout .section-card > .card-info .title {
-  font-size: 17px;
-  border-bottom: 1px solid #959595;
-  padding-bottom: 0px;
+
+#nav li.expanded li ul.tree-list-children .tree-list-children {
+  padding: 0 0 0 10px;
 }
-.resource-stack-layout .section-card > .card-info .description {
-  font-size: 13px;
-  line-height: 15px;
+
+#nav .nav-section .nav-section .nav-section-header {
+    /* no white line between second level sections */
+  margin-bottom: 0;
 }
-.resource-stack-layout .section-card > .card-info .description .text {
-  height: 30px;
+
+#nav > li > div > a {
+  display: block;
+  font-weight: 700;
+  padding: 10px;
 }
-.resource-stack-layout .related-card {
-  height: 90px;
+
+#nav .nav-section .nav-section {
+  position: relative;
+  padding: 0;
+  margin: 0;
 }
-.resource-stack-layout .related-card > .card-bg {
-  left: 0;
-  top: 0;
-  width: 90px;
-  height: 100%;
-  position: absolute;
+
+#nav .nav-section li a {
+    /* first gen child (2nd level li) */
   display: block;
+  font-weight: 700;
+  text-transform: none;
+  padding: 10px;
 }
-.resource-stack-layout .related-card > .card-info {
-  left: 90px;
-  padding: 4px 12px 4px 12px;
+
+#nav .nav-section li li a {
+    /* second gen child (3rd level li) */
+  font-weight: 400;
+  padding: 6px 6px 6px 10px;
 }
-.resource-stack-layout .related-card > .card-info .section {
+
+#nav li span.tree-list-subtitle {
+  display: inline-block;
+  color: #555;
   font-size: 12px;
-  margin-bottom: 1px;
-  display: none;
+  padding: 10px;
+  text-transform: uppercase;
 }
-.resource-stack-layout .related-card > .card-info .title {
-  font-size: 16px;
-  margin-bottom: -2px;
-  white-space: normal;
-  overflow: visible;
-  text-overflow: ellipsis;
+
+#nav li span.tree-list-subtitle:before {
+  content: '—';
 }
-.resource-stack-layout .related-card > .card-info .title:after {
-  content: url(../images/link-out.png);
-  display: block;
+
+#nav li span.tree-list-subtitle:after {
+  content: '—';
 }
-.resource-stack-layout .related-card > .card-info .description {
-  display: none;
+
+#nav li span.tree-list-subtitle.package {
+  padding-top: 15px;
+  cursor: default;
 }
-.resource-stack-layout .section-card-menu {
-  /* Flexible height */
-  display: block;
-  height: auto;
-  width: auto;
+
+#nav li span.tree-list-subtitle.package:before {
+  content: '';
 }
-.resource-stack-layout .section-card-menu .card-bg {
-  height: 155px;
-  /* Flexible height */
-  position: relative;
-  display: inline-block;
-  vertical-align: top;
+
+#nav li span.tree-list-subtitle.package:after {
+  content: '';
 }
-.resource-stack-layout .section-card-menu .card-info {
-  padding: 4px 12px 0px 12px;
-  /* Flexible height */
-  position: relative;
-  left: auto;
-  top: auto;
-  right: auto;
-  bottom: auto;
+
+#nav li ul.tree-list-children.classes {
+  padding-left: 10px;
 }
-.resource-stack-layout .section-card-menu .card-info ul {
-  list-style: none;
+
+#nav li ul {
+  display: none;
+  overflow: hidden;
   margin: 0;
 }
-.resource-stack-layout .section-card-menu .card-info ul li {
-  list-style: none;
-  margin: 0;
-  padding: 15px 0;
-  border-top-width: 1px;
-  border-top-style: solid;
-  border-top-color: #959595;
+
+#nav li ul.animate-height-in {
+  -webkit-transition: height 0.25s ease-in;
+  transition: height 0.25s ease-in;
 }
-.resource-stack-layout .section-card-menu .card-info ul li a, .resource-stack-layout .section-card-menu .card-info ul li a:focus, .resource-stack-layout .section-card-menu .card-info ul li a:link, .resource-stack-layout .section-card-menu .card-info ul li a:visited, .resource-stack-layout .section-card-menu .card-info ul li a:active, .resource-stack-layout .section-card-menu .card-info ul li a:hover {
-  color: #363636 !important;
+
+#nav li ul.animate-height-out {
+  -webkit-transition: height 0.25s ease-out;
+  transition: height 0.25s ease-out;
+}
+
+#nav li ul li {
+  padding: 0;
 }
-.resource-stack-layout .section-card-menu .card-info ul li:first-child {
-  border-top: none;
+
+#nav li li li {
+  padding: 0;
 }
-.resource-stack-layout .section-card-menu .card-info ul li:hover .title:after {
-  opacity: 1;
-  -webkit-transition: opacity 0.5s;
-  -moz-transition: opacity 0.5s;
-  -o-transition: opacity 0.5s;
-  transition: opacity 0.5s;
+
+#nav li ul > li {
+  padding: 0;
 }
-.resource-stack-layout .section-card-menu .card-info ul li:hover .description {
-  max-height: 30px;
-  opacity: 1;
-  -webkit-transition: max-height 0.5s, opacity 1s;
-  -moz-transition: max-height 0.5s, opacity 1s;
-  -o-transition: max-height 0.5s, opacity 1s;
-  transition: max-height 0.5s, opacity 1s;
+
+#nav li ul > li:last-child {
+  padding-bottom: 5px;
 }
-.resource-stack-layout .section-card-menu .card-info .title {
-  font-size: 16px;
-  margin-bottom: -2px;
-  position: relative;
+
+#nav li ul.tree-list-children > li:last-child {
+  padding-bottom: 0;
 }
-.resource-stack-layout .section-card-menu .card-info .title:after {
-  background: url(../images/stack-arrow-right.png);
-  content: '';
-  opacity: 0;
-  -webkit-transition: opacity 0.25s;
-  -moz-transition: opacity 0.25s;
-  -o-transition: opacity 0.25s;
-  transition: opacity 0.25s;
-  position: absolute;
-  right: 0px;
-  top: 3px;
-  width: 10px;
-  height: 15px;
+
+#nav li.expanded ul > li {
+  background: #c4cdd1;
 }
-.resource-stack-layout .section-card-menu .card-info .title.more {
-  text-transform: uppercase;
-  color: #898989;
-  display: inline-block;
+
+#nav li.expanded ul > li li {
+  background: inherit;
 }
-.resource-stack-layout .section-card-menu .card-info .title.more:after {
-  background: url(../images/stack-arrow-right.png);
-  content: '';
+
+#nav li ul.tree-list-children ul {
   display: block;
-  position: absolute;
-  right: -20px;
-  top: 3px;
-  width: 10px;
-  height: 15px;
 }
-.resource-stack-layout .section-card-menu .card-info .description {
-  max-height: 0px;
-  opacity: 0;
-  overflow: hidden;
-  font-size: 13px;
-  line-height: 15px;
-  /* Hover off */
-  -webkit-transition: max-height 0.5s, opacity 0.5s;
-  -moz-transition: max-height 0.5s, opacity 0.5s;
-  -o-transition: max-height 0.5s, opacity 0.5s;
-  transition: max-height 0.5s, opacity 0.5s;
+
+#nav.samples-nav li li li a {
+  padding-top: 3px;
+  padding-bottom: 3px;
 }
-.resource-stack-layout .section-card-menu .card-info .description .text {
-  height: 30px;
+
+#nav.samples-nav li li ul > li:last-child {
+  padding-bottom: 3px;
 }
-.resource-stack-layout:after {
-  content: ".";
-  display: block;
-  height: 0;
-  clear: both;
-  visibility: hidden;
+
+/* Hero carousel */
+.dac-hero {
+  background-color: #fff;
+  background-position: 50% 30%;
+  background-size: cover;
+  box-sizing: border-box;
+  font-size: 16px;
+  min-height: 550px;
+  padding-top: 88px;
 }
 
-/* Generate the flow layout styles for a 3-column 16-col span */
-.resource-flow-layout.col-16 {
-  margin: 0 -14px 0 0;
-  width: 954px;
+.dac-hero.dac-darken::before {
+  background: rgba(0, 0, 0, 0.3);
+  bottom: 0;
+  content: '';
+  display: block;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
 }
-.resource-flow-layout.col-16 .resource-card, .resource-flow-layout.col-16 .resource-card-stack {
-  margin: 0 14px 20px 0;
+
+.dac-hero {
+  background-size: cover;
+  position: relative;
 }
-.resource-flow-layout.col-16 .resource-card-row-stack-last {
-  margin-bottom: 0px !important;
+
+.dac-hero-headline {
+  background-color: #fff;
+  bottom: 25px;
+  float: none !important;
+  padding: 0 10px 10px;
+  position: absolute;
+  right: 0;
+  z-index: 2;
 }
-.resource-flow-layout.col-16 .resource-card-col-stack-last {
-  margin-bottom: 0px !important;
+
+@media (max-width: 719px) {
+  .dac-hero-headline {
+    bottom: 0;
+  }
+
+  .dac-hero.dac-darken::before {
+    background: -webkit-linear-gradient(top, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9) 80%);
+    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9) 80%);
+  }
 }
-.resource-flow-layout.col-16 .resource-card-3x6 {
-  width: 145px;
-  height: 284px;
+
+.dac-hero.dac-darken .dac-hero-content {
+  position: relative;
 }
-.resource-flow-layout.col-16 .resource-card-3x12 {
-  width: 145px;
-  height: 588px;
+
+@media (max-width: 719px) {
+  .dac-hero {
+    padding-bottom: 20px;
+    padding-top: 20px;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-3x18 {
-  width: 145px;
-  height: 892px;
+
+.dac-hero-tag {
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: .07em;
+  margin-bottom: 2px;
+  text-transform: uppercase;
 }
-.resource-flow-layout.col-16 .resource-card-6x6 {
-  width: 304px;
-  height: 284px;
+
+.dac-hero-title {
+  margin: 0 0 14px;
 }
-.resource-flow-layout.col-16 .resource-card-6x12 {
-  width: 304px;
-  height: 588px;
+
+.dac-studio .dac-hero-title {
+  padding-top:0;
 }
-.resource-flow-layout.col-16 .resource-card-6x18 {
-  width: 304px;
-  height: 892px;
+
+@media (max-width: 719px) {
+  .dac-hero-title {
+    font-size: 28px;
+    line-height: 35px;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-9x6 {
-  width: 463px;
-  height: 284px;
+
+.dac-hero-description {
+  margin-bottom: 16px;
 }
-.resource-flow-layout.col-16 .resource-card-9x12 {
-  width: 463px;
-  height: 588px;
+
+@media (max-width: 719px) {
+  .dac-hero-description {
+    font-size: 14px;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-9x18 {
-  width: 463px;
-  height: 892px;
+
+.dac-hero-cta {
+  display: inline-block;
+  line-height: 40px;
+  margin-right: 20px;
+  -webkit-transition: opacity .3s;
+  transition: opacity .3s;
 }
-.resource-flow-layout.col-16 .resource-card-12x6 {
-  width: 622px;
-  height: 284px;
+
+.dac-hero-cta:hover {
+  color: currentColor;
+  opacity: .54;
 }
-.resource-flow-layout.col-16 .resource-card-12x12 {
-  width: 622px;
-  height: 588px;
+
+.dac-hero-cta .dac-sprite, .dac-hero-cta .dac-modal-header-close:before, .dac-hero-cta .paging-links .prev-page-link:before, .paging-links .dac-hero-cta .prev-page-link:before, .dac-hero-cta .paging-links .next-page-link:before, .paging-links .dac-hero-cta .next-page-link:before, .dac-hero-cta .paging-links .next-class-link:before, .paging-links .dac-hero-cta .next-class-link:before, .dac-hero-cta .paging-links .start-class-link:after, .paging-links .dac-hero-cta .start-class-link:after {
+  margin-left: -8px;
 }
-.resource-flow-layout.col-16 .resource-card-12x18 {
-  width: 622px;
-  height: 892px;
+
+.dac-hero-cta.col-16 {
+  line-height: 1.4em;
+  margin-top: 20px;
+  padding-left: 0;
+  position: relative;
 }
-.resource-flow-layout.col-16 .resource-card-15x6 {
-  width: 781px;
-  height: 284px;
+
+.dac-hero-cta.col-16 .dac-sprite {
+  position: absolute;
+  left: 0;
+  top: -3px;
 }
-.resource-flow-layout.col-16 .resource-card-15x12 {
-  width: 781px;
-  height: 588px;
+
+.dac-hero-cta.col-16 .dac-sprite-text {
+  position: relative;
+  left: 12px;
 }
-.resource-flow-layout.col-16 .resource-card-15x18 {
-  width: 781px;
-  height: 892px;
+
+@media (max-width: 719px) {
+  .dac-hero-cta {
+    line-height: 28px;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-18x6 {
-  width: 940px;
-  height: 284px;
+
+.dac-hero-figure {
+  text-align: center;
 }
-.resource-flow-layout.col-16 .resource-card-18x12 {
-  width: 940px;
-  height: 420px;
+
+/* Android Studio download page */
+.dac-studio section#features {
+  padding-top:0;
 }
-.resource-flow-layout.col-16 .resource-card-18x18 {
-  width: 940px;
-  height: 892px;
+.dac-studio .wrap.feature {
+  margin:80px auto;
 }
-.resource-flow-layout.col-16 .resource-card-3x2 {
-  width: 145px;
-  height: 95px;
+.dac-studio .dac-section-links.feature-more {
+  margin-top:-20px;
 }
-.resource-flow-layout.col-16 .resource-card-3x2x3 {
-  width: 145px;
-  height: 90px;
-  margin-bottom: 7px;
+.dac-studio .dac-toggle-content .wrap.feature {
+  margin-top:0;
 }
-.resource-flow-layout.col-16 .resource-card-3x3 {
-  width: 145px;
-  height: 142px;
+
+@media (max-width: 719px) {
+  .dac-hero-figure {
+    height: 150px;
+    margin: 15px 0;
+  }
+
+  .dac-hero-figure img {
+    max-height: 150px;
+  }
+
+  /* Android Studio download page */
+  .dac-studio .feature .dac-hero-figure,
+  .dac-studio .feature .dac-hero-figure img {
+    height:auto;
+    max-height:none;
+  }
+  .dac-studio .feature .dac-hero-figure img {
+    width:90%;
+    margin:0 auto;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-3x3x2 {
-  width: 145px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-hero-carousel {
+  height: 550px;
+  position: relative;
 }
-.resource-flow-layout.col-16 .resource-card-6x2 {
-  width: 304px;
-  height: 95px;
+
+.dac-hero-carousel > .dac-hero {
+  bottom: 0;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  will-change: opacity;
 }
-.resource-flow-layout.col-16 .resource-card-6x2x3 {
-  width: 304px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-hero-carousel > .dac-hero,
+    .dac-hero-carousel > .dac-hero .wrap {
+  opacity: 0;
 }
-.resource-flow-layout.col-16 .resource-card-6x3 {
-  width: 304px;
-  height: 142px;
+
+.dac-hero-carousel > .dac-hero.active {
+  opacity: 1;
+  -webkit-transition: opacity .5s;
+  transition: opacity .5s;
+  z-index: 1;
 }
-.resource-flow-layout.col-16 .resource-card-6x3x2 {
-  width: 304px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-hero-carousel > .dac-hero.active .wrap {
+  opacity: 1;
+  -webkit-transition: opacity .5s .5s;
+  transition: opacity .5s .5s;
 }
-.resource-flow-layout.col-16 .resource-card-9x2 {
-  width: 463px;
-  height: 95px;
+
+.dac-hero-carousel > .dac-hero.out,
+    .dac-hero-carousel > .dac-hero.out .wrap {
+  -webkit-transition: opacity 0s .5s;
+  transition: opacity 0s .5s;
+  opacity: 0;
 }
-.resource-flow-layout.col-16 .resource-card-9x2x3 {
-  width: 463px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-hero-carousel-action {
+  bottom: 0;
+  display: block;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  z-index: 1;
 }
-.resource-flow-layout.col-16 .resource-card-9x3 {
-  width: 463px;
-  height: 142px;
+
+.dac-hero-carousel .dac-hero-cta {
+  position: relative;
+  z-index: 1;
 }
-.resource-flow-layout.col-16 .resource-card-9x3x2 {
-  width: 463px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-hero-carousel-pagination {
+  bottom: 33px;
+  left: 0;
+  position: absolute;
+  right: 0;
 }
-.resource-flow-layout.col-16 .resource-card-12x2 {
-  width: 622px;
-  height: 95px;
+
+@media (max-width: 719px) {
+  .dac-hero-carousel-pagination {
+    text-align: center;
+    bottom: 20px;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-12x2x3 {
-  width: 622px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-hero-carousel-pagination .dac-pagination-item {
+  position: relative;
+  z-index: 1;
 }
-.resource-flow-layout.col-16 .resource-card-12x3 {
-  width: 622px;
-  height: 142px;
+
+.dac-pagination {
+  list-style: none;
+  margin: 0 -6px;
 }
-.resource-flow-layout.col-16 .resource-card-12x3x2 {
-  width: 622px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-pagination-item {
+  background-clip: content-box;
+  background-color: rgba(153, 153, 153, 0.4);
+  border-radius: 50%;
+  cursor: pointer;
+  display: inline-block;
+  height: 14px;
+  overflow: hidden;
+  padding: 6px;
+  pointer-events: all;
+  text-indent: 100%;
+  -webkit-transition: background-color .1s ease-in;
+  transition: background-color .1s ease-in;
+  white-space: nowrap;
+  width: 14px;
+  will-change: background-color;
 }
-.resource-flow-layout.col-16 .resource-card-15x2 {
-  width: 781px;
-  height: 95px;
+
+.dac-pagination-item:hover {
+  background-color: rgba(153, 153, 153, 0.6);
 }
-.resource-flow-layout.col-16 .resource-card-15x2x3 {
-  width: 781px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-pagination-item.active, .dac-pagination-item.active:hover {
+  background-color: #6ab344;
 }
-.resource-flow-layout.col-16 .resource-card-15x3 {
-  width: 781px;
-  height: 142px;
+
+.dac-invert .dac-pagination-item {
+  background-color: rgba(204, 204, 204, 0.2);
 }
-.resource-flow-layout.col-16 .resource-card-15x3x2 {
-  width: 781px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-invert .dac-pagination-item:hover {
+  background-color: rgba(153, 153, 153, 0.4);
 }
-.resource-flow-layout.col-16 .resource-card-18x2 {
-  width: 940px;
-  height: 95px;
+
+@media (max-width: 719px) {
+  .dac-pagination-item {
+    height: 12px;
+    width: 12px;
+  }
 }
-.resource-flow-layout.col-16 .resource-card-18x2x3 {
-  width: 940px;
-  height: 90px;
-  margin-bottom: 7px;
+
+/* Form component */
+.dac-form {
+  color: #505050;
+  font-size: 16px;
+  /* Modal Responsive */
 }
-.resource-flow-layout.col-16 .resource-card-18x3 {
-  width: 940px;
-  height: 142px;
+
+.dac-form a {
+  color: #000;
 }
-.resource-flow-layout.col-16 .resource-card-18x3x2 {
-  width: 940px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-form-aside {
+  display: inline-block;
+  font-size: 12px;
+  margin-top: 0;
 }
 
-/* Generate the flow layout styles for a 3-column 16-col span */
-.resource-flow-layout.col-12 {
-  margin: 0 -14px 0 0;
-  width: 714px;
+.dac-form-required {
+  color: #ef4300;
 }
 
-.resource-flow-layout.col-12 .resource-card, .resource-flow-layout.col-12 .resource-card-stack {
-  margin: 0 14px 20px 0;
+.dac-form-fieldset {
+  padding: 0;
 }
-.resource-flow-layout.col-12 .resource-card-row-stack-last {
-  margin-bottom: 0px !important;
+
+.dac-form-legend {
+  display: block;
+  color: #333;
+  font-weight: 500;
+  margin: 20px 0 12px;
+  padding: 0;
+  width: 100%;
 }
-.resource-flow-layout.col-12 .resource-card-col-stack-last {
-  margin-bottom: 0px !important;
+
+.dac-form-legend > .dac-form-required {
+  float: right;
+  margin-top: 3px;
 }
-.resource-flow-layout.col-12 .resource-card-3x6 {
-  width: 105px;
-  height: 284px;
+
+.dac-form-input {
+  border: 0 solid #e3e3e3;
+  border-bottom-width: 1px;
+  display: block;
+  outline: 0;
+  padding: 1px 0 8px;
+  -webkit-transition: border-color .2s;
+  transition: border-color .2s;
+  width: 100%;
 }
-.resource-flow-layout.col-12 .resource-card-3x12 {
-  width: 105px;
-  height: 588px;
+
+.dac-form-input-group {
+  position: relative;
 }
-.resource-flow-layout.col-12 .resource-card-3x18 {
-  width: 105px;
-  height: 892px;
+
+.dac-form-input-group > .dac-form-required {
+  display: block;
+  bottom: 3px;
+  position: absolute;
+  right: 0;
 }
-.resource-flow-layout.col-12 .resource-card-6x6 {
-  width: 224px;
-  height: 284px;
+
+.dac-form-input:focus {
+  border-bottom-color: #09f;
 }
-.resource-flow-layout.col-12 .resource-card-6x12 {
-  width: 224px;
-  height: 588px;
+
+.dac-form-floatlabel {
+  display: block;
+  cursor: text;
+  margin-top: 5px;
+  pointer-events: none;
+  -webkit-transform-origin: 0 100%;
+  -ms-transform-origin: 0 100%;
+  transform-origin: 0 100%;
+  -webkit-transform: translate3d(0, 22px, 0) scale(1);
+  transform: translate3d(0, 22px, 0) scale(1);
+  -webkit-transition: -webkit-transform .2s;
+  transition: transform .2s;
+}
+
+.dac-focused > .dac-form-floatlabel,
+    .dac-has-value > .dac-form-floatlabel {
+  cursor: default;
+  -webkit-transform: translate3d(0, 0, 0) scale(0.75);
+  transform: translate3d(0, 0, 0) scale(0.75);
 }
-.resource-flow-layout.col-12 .resource-card-6x18 {
-  width: 224px;
-  height: 892px;
+
+.dac-form-radio, .dac-form-checkbox {
+  opacity: 0;
+  position: absolute;
+  visibility: hidden;
 }
-.resource-flow-layout.col-12 .resource-card-9x6 {
-  width: 343px;
-  height: 284px;
+
+.dac-form-radio-group, .dac-form-checkbox-group {
+  display: table;
 }
-.resource-flow-layout.col-12 .resource-card-9x12 {
-  width: 343px;
-  height: 588px;
+
+.dac-form-radio-group + .dac-form-radio-group, .dac-form-checkbox-group + .dac-form-radio-group, .dac-form-radio-group + .dac-form-checkbox-group, .dac-form-checkbox-group + .dac-form-checkbox-group {
+  margin-top: 10px;
 }
-.resource-flow-layout.col-12 .resource-card-9x18 {
-  width: 343px;
-  height: 892px;
+
+.dac-form-radio-button, .dac-form-checkbox-button {
+  box-sizing: border-box;
+  cursor: pointer;
+  display: table-cell;
+  float: left;
+  height: 18px;
+  margin: 2px 10px 0 0;
+  position: relative;
+  width: 18px;
 }
-.resource-flow-layout.col-12 .resource-card-12x6 {
-  width: 462px;
-  height: 284px;
+
+.dac-form-radio-button::after, .dac-form-radio-button::before, .dac-form-checkbox-button::after, .dac-form-checkbox-button::before {
+  box-sizing: border-box;
+  content: '';
+  display: block;
+  position: absolute;
 }
-.resource-flow-layout.col-12 .resource-card-12x12 {
-  width: 462px;
-  height: 588px;
+
+.dac-form-radio-button::after, .dac-form-radio-button::before {
+  border-radius: 50%;
+  height: 100%;
+  width: 100%;
 }
-.resource-flow-layout.col-12 .resource-card-12x18 {
-  width: 462px;
-  height: 892px;
+
+.dac-form-radio-button::before {
+  background: rgba(0, 0, 0, 0.7);
+  -webkit-transform: translateZ(0) scale(0);
+  transform: translateZ(0) scale(0);
+  -webkit-transition: -webkit-transform .3s;
+  transition: transform .3s;
 }
-.resource-flow-layout.col-12 .resource-card-15x6 {
-  width: 581px;
-  height: 284px;
+
+.dac-form-radio-button::after {
+  border: 2px solid rgba(0, 0, 0, 0.7);
 }
-.resource-flow-layout.col-12 .resource-card-15x12 {
-  width: 581px;
-  height: 588px;
+
+.dac-form-radio:checked + .dac-form-radio-button::before {
+  -webkit-transform: translateZ(0) scale(0.5);
+  transform: translateZ(0) scale(0.5);
 }
-.resource-flow-layout.col-12 .resource-card-15x18 {
-  width: 581px;
-  height: 892px;
+
+.dac-form-radio:focus + .dac-form-radio-button::after {
+  border: 2px solid #09f;
 }
-.resource-flow-layout.col-12 .resource-card-18x6 {
-  width: 700px;
-  height: 284px;
+
+.dac-form-checkbox-button::before {
+  border: 1px solid #6c6e6f;
+  border-radius: 3px;
+  height: 100%;
+  -webkit-transition: background .1s ease-out, box-shadow .3s ease-out;
+  transition: background .1s ease-out, box-shadow .3s ease-out;
+  width: 100%;
 }
-.resource-flow-layout.col-12 .resource-card-18x12 {
-  width: 700px;
-  height: 420px;
+
+.dac-form-checkbox-button::after {
+  border-bottom: 2px solid #fff;
+  border-left: 2px solid #fff;
+  bottom: 7px;
+  height: 7px;
+  left: 3px;
+  -webkit-transform: rotate(-45deg);
+  -ms-transform: rotate(-45deg);
+  transform: rotate(-45deg);
+  width: 12px;
 }
-.resource-flow-layout.col-12 .resource-card-18x18 {
-  width: 700px;
-  height: 892px;
+
+.dac-form-checkbox:checked + .dac-form-checkbox-button::before {
+  background: #6c6e6f;
+  -webkit-transition-timing-function: ease-in;
+  transition-timing-function: ease-in;
 }
-.resource-flow-layout.col-12 .resource-card-3x2 {
-  width: 105px;
-  height: 95px;
+
+.dac-form-checkbox:focus + .dac-form-checkbox-button::before,
+  .dac-form-checkbox:active + .dac-form-checkbox-button::before {
+  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.05);
 }
-.resource-flow-layout.col-12 .resource-card-3x2x3 {
-  width: 105px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-form-label {
+  cursor: pointer;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
 }
-.resource-flow-layout.col-12 .resource-card-3x3 {
-  width: 105px;
-  height: 142px;
+
+@media (max-width: 719px) {
+  .dac-form-legend {
+    margin-bottom: 0;
+  }
 }
-.resource-flow-layout.col-12 .resource-card-3x3x2 {
-  width: 105px;
-  height: 138px;
-  margin-bottom: 8px;
+
+/* Filter Resources Component*/
+.dac-filter {
+  color: #505050;
+  margin-bottom: 20px;
+  position: relative;
 }
-.resource-flow-layout.col-12 .resource-card-6x2 {
-  width: 224px;
-  height: 95px;
+
+.dac-filter.dac-filter-section {
+  margin-top: -45px;
+  text-align: right;
 }
-.resource-flow-layout.col-12 .resource-card-6x2x3 {
-  width: 224px;
-  height: 90px;
-  margin-bottom: 7px;
+
+@media (max-width: 719px) {
+  .dac-filter.dac-filter-section {
+    margin-top: 0;
+    text-align: left;
+  }
 }
-.resource-flow-layout.col-12 .resource-card-6x3 {
-  width: 224px;
-  height: 142px;
+
+.dac-filter-title {
+  color: #666;
+  cursor: default;
+  display: inline-block;
+  font-size: 12px;
+  font-weight: 500;
+  line-height: 24px;
+  margin: 0;
+  text-transform: uppercase;
 }
-.resource-flow-layout.col-12 .resource-card-6x3x2 {
-  width: 224px;
-  height: 138px;
-  margin-bottom: 8px;
+
+@media (max-width: 719px) {
+  .dac-filter-title {
+    margin-bottom: 20px;
+  }
 }
-.resource-flow-layout.col-12 .resource-card-9x2 {
-  width: 343px;
-  height: 95px;
+
+.dac-filter-message {
+  color: #78868d;
+  font-size: 18px;
+  margin: 0 10px 10px;
 }
-.resource-flow-layout.col-12 .resource-card-9x2x3 {
-  width: 343px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-filter-count {
+  background: #6ab344;
+  border-radius: 50%;
+  color: #fff;
+  display: inline-block;
+  font-size: 12px;
+  font-weight: 600;
+  height: 24px;
+  text-align: center;
+  width: 24px;
 }
-.resource-flow-layout.col-12 .resource-card-9x3 {
-  width: 343px;
-  height: 142px;
+
+.dac-filter-count.dac-disabled {
+  visibility: hidden;
 }
-.resource-flow-layout.col-12 .resource-card-9x3x2 {
-  width: 343px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-filter-chip {
+  background: #bfc7cb;
+  border-radius: 15px;
+  color: #333;
+  cursor: default;
+  display: inline-block;
+  line-height: 21px;
+  margin: 0 10px 10px 0;
+  padding: 4px 26px 4px 10px;
+  position: relative;
 }
-.resource-flow-layout.col-12 .resource-card-12x2 {
-  width: 462px;
-  height: 95px;
+
+.dac-filter-chip-close {
+  background-color: transparent;
+  border: none;
+  cursor: pointer;
+  outline: 0;
+  padding: 3px;
+  position: absolute;
+  right: 5px;
+  top: 5px;
 }
-.resource-flow-layout.col-12 .resource-card-12x2x3 {
-  width: 462px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-filter-chip-close-icon {
+  opacity: .7;
+  margin-top: -2px;
+  -webkit-transform: scale(0.57142857);
+  -ms-transform: scale(0.57142857);
+  transform: scale(0.57142857);
 }
-.resource-flow-layout.col-12 .resource-card-12x3 {
-  width: 462px;
-  height: 142px;
+
+.dac-filter-chip-close:hover > .dac-filter-chip-close-icon {
+  opacity: 1;
 }
-.resource-flow-layout.col-12 .resource-card-12x3x2 {
-  width: 462px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-filter-chips {
+  border-top: 1px solid rgba(0, 0, 0, 0.1);
+  margin: 0;
+  list-style-type: none;
+  padding: 10px 0 0;
+  position: relative;
+  text-align: left;
 }
-.resource-flow-layout.col-12 .resource-card-15x2 {
-  width: 581px;
-  height: 95px;
+
+.dac-filter-item {
+  box-sizing: border-box;
+  float: left;
+  margin-bottom: 20px;
+  padding: 0 10px;
+  width: 33.33333333%;
 }
-.resource-flow-layout.col-12 .resource-card-15x2x3 {
-  width: 581px;
-  height: 90px;
-  margin-bottom: 7px;
+
+@media (min-width: 720px) and (max-width: 979px) {
+  .dac-filter-item {
+    width: 50%;
+  }
 }
-.resource-flow-layout.col-12 .resource-card-15x3 {
-  width: 581px;
-  height: 142px;
+
+@media (max-width: 719px) {
+  .dac-filter-item {
+    width: 100%;
+  }
 }
-.resource-flow-layout.col-12 .resource-card-15x3x2 {
-  width: 581px;
-  height: 138px;
-  margin-bottom: 8px;
+
+/* Media component */
+.dac-media {
+  display: table;
+  width: 100%;
 }
-.resource-flow-layout.col-12 .resource-card-18x2 {
-  width: 700px;
-  height: 95px;
+
+.dac-media-body, .dac-media-figure {
+  display: table-cell;
+  vertical-align: top;
 }
-.resource-flow-layout.col-12 .resource-card-18x2x3 {
-  width: 700px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-media-figure {
+  padding: 0;
 }
-.resource-flow-layout.col-12 .resource-card-18x3 {
-  width: 700px;
-  height: 142px;
+
+.dac-media-body {
+  width: 100%;
 }
-.resource-flow-layout.col-12 .resource-card-18x3x2 {
-  width: 700px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-swap {
+  overflow: hidden;
+  position: relative;
 }
 
-/* Generate the flow layout styles for a 3-column 13-col span */
+.dac-swap-section {
+  left: 0;
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  width: 100%;
+  -webkit-transition: opacity 1s, -webkit-transform .5s;
+  transition: opacity 1s, transform .5s;
+}
 
-.resource-flow-layout.col-13 {
-  margin: 0 -14px 0 0;
-  width: 774px;
+.dac-swap-section.dac-no-anim {
+  -webkit-transition: none;
+  transition: none;
 }
-.resource-flow-layout.col-13 .resource-card, .resource-flow-layout.col-13 .resource-card-stack {
-  margin: 0 14px 20px 0;
+
+.dac-swap-section.dac-up {
+  -webkit-transform: translateY(-100%);
+  -ms-transform: translateY(-100%);
+  transform: translateY(-100%);
 }
-.resource-flow-layout.col-13 .resource-card-row-stack-last {
-  margin-bottom: 0px !important;
+
+.dac-swap-section.dac-down {
+  -webkit-transform: translateY(100%);
+  -ms-transform: translateY(100%);
+  transform: translateY(100%);
 }
-.resource-flow-layout.col-13 .resource-card-col-stack-last {
-  margin-bottom: 0px !important;
+
+.dac-swap-section.dac-left {
+  -webkit-transform: translateX(-100%);
+  -ms-transform: translateX(-100%);
+  transform: translateX(-100%);
 }
-.resource-flow-layout.col-13 .resource-card-3x6 {
-  width: 115px;
-  height: 284px;
+
+.dac-swap-section.dac-right {
+  -webkit-transform: translateX(100%);
+  -ms-transform: translateX(100%);
+  transform: translateX(100%);
 }
-.resource-flow-layout.col-13 .resource-card-3x12 {
-  width: 115px;
-  height: 588px;
+
+.dac-swap-section.dac-active {
+  opacity: 1;
+  position: relative;
+  -webkit-transform: translate(0, 0);
+  -ms-transform: translate(0, 0);
+  transform: translate(0, 0);
+  width: auto;
 }
-.resource-flow-layout.col-13 .resource-card-3x18 {
-  width: 115px;
-  height: 892px;
+
+/* Modal component */
+.dac-modal {
+  opacity: 0;
+  visibility: hidden;
+  -webkit-transition: visibility 0s linear 300ms, opacity 300ms linear;
+  transition: visibility 0s linear 300ms, opacity 300ms linear;
+  background: rgba(0, 0, 0, 0.8);
+  bottom: 0;
+  left: 0;
+  overflow-x: hidden;
+  overflow-y: auto;
+  position: fixed;
+  right: 0;
+  top: 0;
+  z-index: 70;
 }
-.resource-flow-layout.col-13 .resource-card-6x6 {
-  width: 244px;
-  height: 284px;
+
+.dac-modal.dac-active {
+  opacity: 1;
+  -webkit-transition-delay: 0s;
+  transition-delay: 0s;
+  visibility: visible;
 }
-.resource-flow-layout.col-13 .resource-card-6x12 {
-  width: 244px;
-  height: 588px;
+
+.dac-modal-open {
+  overflow: hidden;
 }
-.resource-flow-layout.col-13 .resource-card-6x18 {
-  width: 244px;
-  height: 892px;
+
+.dac-modal-container {
+  -webkit-box-align: center;
+  -webkit-align-items: center;
+  -ms-flex-align: center;
+  align-items: center;
+  display: -webkit-box;
+  display: -webkit-flex;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.4));
+  filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.4));
+  -webkit-box-pack: center;
+  -webkit-justify-content: center;
+  -ms-flex-pack: center;
+  justify-content: center;
+  min-height: 100%;
+  width: 100%;
 }
-.resource-flow-layout.col-13 .resource-card-9x6 {
-  width: 373px;
-  height: 284px;
+
+.dac-modal-window {
+  background: #fff;
+  box-sizing: border-box;
+  margin: 20px auto;
+  -webkit-transition: -webkit-transform .3s;
+  transition: transform .3s;
+  -webkit-transform: translate3d(0, -30px, 0);
+  transform: translate3d(0, -30px, 0);
+  width: 960px;
 }
-.resource-flow-layout.col-13 .resource-card-9x12 {
-  width: 373px;
-  height: 588px;
+
+.dac-modal.dac-active .dac-modal-window {
+  -webkit-transform: translate3d(0, 0, 0);
+  transform: translate3d(0, 0, 0);
 }
-.resource-flow-layout.col-13 .resource-card-9x18 {
-  width: 373px;
-  height: 892px;
+
+.dac-modal-header {
+  background: #00695c;
+  padding: 35px 35px 30px;
+  position: relative;
 }
-.resource-flow-layout.col-13 .resource-card-12x6 {
-  width: 502px;
-  height: 284px;
+
+.dac-has-small-header .dac-modal-header {
+  padding: 10px 20px;
 }
-.resource-flow-layout.col-13 .resource-card-12x12 {
-  width: 502px;
-  height: 588px;
+
+.dac-modal-header-actions {
+  padding: 8px;
+  position: absolute;
+  right: 5px;
+  top: 5px;
 }
-.resource-flow-layout.col-13 .resource-card-12x18 {
-  width: 502px;
-  height: 892px;
+
+.dac-modal-header-open, .dac-modal-header-close {
+  background: none;
+  border: none;
+  cursor: pointer;
+  line-height: 0;
+  outline: 0;
+  opacity: .7;
+  -webkit-transition: background-color .3s;
+  transition: background-color .3s;
 }
-.resource-flow-layout.col-13 .resource-card-15x6 {
-  width: 631px;
-  height: 284px;
+
+.dac-modal-header-open:active, .dac-modal-header-close:active {
+  background: rgba(255, 255, 255, 0.2);
 }
-.resource-flow-layout.col-13 .resource-card-15x12 {
-  width: 631px;
-  height: 588px;
+
+.dac-modal-header-close:before {
+  content: '';
+  top: -1px;
+  position: relative;
 }
-.resource-flow-layout.col-13 .resource-card-15x18 {
-  width: 631px;
-  height: 892px;
+
+.dac-modal-header-open {
+  margin: 10px;
 }
-.resource-flow-layout.col-13 .resource-card-18x6 {
-  width: 760px;
-  height: 284px;
+
+.dac-modal-header-title {
+  color: #fff;
+  font-size: 24px;
+  font-weight: 300;
+  line-height: 32px;
+  padding: 0 150px 0 0;
 }
-.resource-flow-layout.col-13 .resource-card-18x12 {
-  width: 760px;
-  height: 420px;
+
+.dac-has-small-header .dac-modal-header-title {
+  font-size: 16px;
+  font-weight: 500;
 }
-.resource-flow-layout.col-13 .resource-card-18x18 {
-  width: 760px;
-  height: 892px;
+
+.dac-modal-header-subtitle {
+  bottom: 0;
+  color: #fff;
+  display: inline-block;
+  font: inherit;
+  font-size: 14px;
+  margin: 0;
+  opacity: .8;
+  position: absolute;
+  right: 0;
 }
-.resource-flow-layout.col-13 .resource-card-3x2 {
-  width: 115px;
-  height: 95px;
+
+.dac-modal-content {
+  padding: 12px 35px;
 }
-.resource-flow-layout.col-13 .resource-card-3x2x3 {
-  width: 115px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-modal-action {
+  margin: 0;
 }
-.resource-flow-layout.col-13 .resource-card-3x3 {
-  width: 115px;
-  height: 142px;
+
+.dac-modal-footer {
+  padding: 24px 35px;
 }
-.resource-flow-layout.col-13 .resource-card-3x3x2 {
-  width: 115px;
-  height: 138px;
-  margin-bottom: 8px;
+
+@media (max-width: 1000px) {
+  .dac-modal-window {
+    margin: 20px;
+    width: auto;
+  }
+
+  .dac-modal-container {
+    z-index: auto;
+  }
 }
-.resource-flow-layout.col-13 .resource-card-6x2 {
-  width: 244px;
-  height: 95px;
+
+@media (max-width: 719px) {
+  .dac-modal-window {
+    margin: 10px;
+  }
+
+  .dac-modal-header {
+    padding: 35px 10px 10px;
+  }
+
+  .dac-modal-header-title {
+    font-size: 16px;
+    line-height: 24px;
+    padding: 0;
+  }
+
+  .dac-modal-header-subtitle {
+    display: block;
+    margin: 0;
+    position: static;
+    text-align: right;
+  }
+
+  .dac-modal-header-actions {
+    top: 1px;
+  }
+
+  .dac-modal-content {
+    padding: 10px;
+  }
+
+  .dac-modal-footer {
+    border-top: 1px solid #e3e3e3;
+    padding: 35px 10px;
+  }
 }
-.resource-flow-layout.col-13 .resource-card-6x2x3 {
-  width: 244px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.newsletter .dac-modal-footer {
+  padding-top: 0;
+  text-align: right;
 }
-.resource-flow-layout.col-13 .resource-card-6x3 {
-  width: 244px;
-  height: 142px;
+
+.newsletter-checkboxes {
+  padding-top: 20px;
 }
-.resource-flow-layout.col-13 .resource-card-6x3x2 {
-  width: 244px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.newsletter-success-message {
+  font-size: 32px;
+  line-height: 1.4;
+  padding: 40px 30px;
+  text-align: center;
 }
-.resource-flow-layout.col-13 .resource-card-9x2 {
-  width: 373px;
-  height: 95px;
+
+@media (max-width: 719px) {
+  .newsletter-success-message {
+    font-size: 16px;
+    padding: 12px 0 0;
+  }
 }
-.resource-flow-layout.col-13 .resource-card-9x2x3 {
-  width: 373px;
-  height: 90px;
-  margin-bottom: 7px;
+
+@media (min-width: 720px) {
+  .newsletter-checkboxes {
+    padding-top: 46px;
+  }
+
+  .newsletter-leftCol {
+    padding-right: 40px;
+  }
+
+  .newsletter-rightCol {
+    padding-left: 40px;
+  }
 }
-.resource-flow-layout.col-13 .resource-card-9x3 {
-  width: 373px;
-  height: 142px;
+
+@media (max-width: 719px) {
+  .newsletter .dac-modal-footer {
+    margin-top: 30px;
+    padding: 30px 10px;
+    text-align: center;
+  }
 }
-.resource-flow-layout.col-13 .resource-card-9x3x2 {
-  width: 373px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-blog-reader {
+  padding: 50px 90px;
 }
-.resource-flow-layout.col-13 .resource-card-12x2 {
-  width: 502px;
-  height: 95px;
+
+.dac-blog-reader-title {
+  color: #333;
+  font-size: 45px;
+  font-weight: 300;
+  line-height: 1.2;
+  padding: 10px 0;
 }
-.resource-flow-layout.col-13 .resource-card-12x2x3 {
-  width: 502px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-blog-reader-date {
+  color: #b8b8b8;
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1;
+  text-transform: uppercase;
 }
-.resource-flow-layout.col-13 .resource-card-12x3 {
-  width: 502px;
-  height: 142px;
+
+.dac-blog-reader-text > p:first-child i {
+  display: inline-block;
+  margin-bottom: 40px;
 }
-.resource-flow-layout.col-13 .resource-card-12x3x2 {
-  width: 502px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-blog-reader-text li {
+  margin-bottom: 0;
 }
-.resource-flow-layout.col-13 .resource-card-15x2 {
-  width: 631px;
-  height: 95px;
+
+.dac-blog-reader-text iframe {
+  margin-left: auto !important;
+  margin-right: auto !important;
+  max-width: 100%;
 }
-.resource-flow-layout.col-13 .resource-card-15x2x3 {
-  width: 631px;
-  height: 90px;
-  margin-bottom: 7px;
+
+@media (max-width: 719px) {
+  .dac-blog-reader {
+    padding: 30px 20px;
+  }
 }
-.resource-flow-layout.col-13 .resource-card-15x3 {
-  width: 631px;
-  height: 142px;
+
+.dac-custom-search {
+  background: #fff;
+  margin: 0 -10px;
+  padding: 20px 10px;
+  z-index: 1;
 }
-.resource-flow-layout.col-13 .resource-card-15x3x2 {
-  width: 631px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-custom-search .dac-fab, .dac-custom-search .dac-button-social {
+  top: -48px;
 }
-.resource-flow-layout.col-13 .resource-card-18x2 {
-  width: 760px;
-  height: 95px;
+
+.dac-custom-search-section-title {
+  color: #505050;
 }
-.resource-flow-layout.col-13 .resource-card-18x2x3 {
-  width: 760px;
-  height: 90px;
-  margin-bottom: 7px;
+
+.dac-custom-search-entry {
+  margin-bottom: 36px;
+  margin-top: 24px;
+  margin-left:10px;
 }
-.resource-flow-layout.col-13 .resource-card-18x3 {
-  width: 760px;
-  height: 142px;
+
+.dac-custom-search-entry.cols:after {
+    clear: none; }
+
+.dac-custom-search-image-wrapper {
+  float: left;
+  position: relative;
 }
-.resource-flow-layout.col-13 .resource-card-18x3x2 {
-  width: 760px;
-  height: 138px;
-  margin-bottom: 8px;
+
+.dac-custom-search-image {
+  background-size: cover;
+  height: 112px;
+  width:150px;
+  margin-right:15px;
 }
 
-/*
-  The following are styles for cards in the flowlayout above, styled by the number of rows they span
-*/
-/* Single row items, might be simpler to just apply a class */
-.resource-card-3x6 > .card-bg, .resource-card-6x6 > .card-bg, .resource-card-9x6 > .card-bg, .resource-card-12x6 > .card-bg, .resource-card-15x6 > .card-bg, .resource-card-18x6 > .card-bg {
-  height: 192px;
+.dac-custom-search-text-wrapper {
+  position: relative;
 }
-.resource-card-3x6 > .card-info, .resource-card-6x6 > .card-info, .resource-card-9x6 > .card-info, .resource-card-12x6 > .card-info, .resource-card-15x6 > .card-info, .resource-card-18x6 > .card-info {
-  padding: 4px 12px 6px 12px;
-  top: 192px;
+
+.dac-custom-search-title {
+  color: #333;
+  font-size: 14px;
+  font-weight: 700;
+  line-height: 24px;
+  padding: 0;
+  clear:none;
 }
-.resource-card-3x6 > .card-info .section, .resource-card-6x6 > .card-info .section, .resource-card-9x6 > .card-info .section, .resource-card-12x6 > .card-info .section, .resource-card-15x6 > .card-info .section, .resource-card-18x6 > .card-info .section {
-  font-size: 12px;
-  margin-bottom: 1px;
+
+.dac-custom-search-title a {
+  color: inherit;
 }
-.resource-card-3x6 > .card-info .title, .resource-card-6x6 > .card-info .title, .resource-card-9x6 > .card-info .title, .resource-card-12x6 > .card-info .title, .resource-card-15x6 > .card-info .title, .resource-card-18x6 > .card-info .title {
+
+.dac-custom-search-section {
+  color: #999;
   font-size: 16px;
-  margin-bottom: -2px;
+  font-variant: small-caps;
+  font-weight: 700;
+  margin: -5px 0 0 0;
 }
-.resource-card-3x6 > .card-info .description, .resource-card-6x6 > .card-info .description, .resource-card-9x6 > .card-info .description, .resource-card-12x6 > .card-info .description, .resource-card-15x6 > .card-info .description, .resource-card-18x6 > .card-info .description {
-  font-size: 13px;
-  line-height: 15px;
+
+.dac-custom-search-snippet {
+  color: #666;
+  margin: 0;
 }
-.resource-card-3x6 > .card-info .description .text, .resource-card-6x6 > .card-info .description .text, .resource-card-9x6 > .card-info .description .text, .resource-card-12x6 > .card-info .description .text, .resource-card-15x6 > .card-info .description .text, .resource-card-18x6 > .card-info .description .text {
-  height: 30px;
+
+.dac-custom-search-link {
+  font-weight: 500;
+  word-wrap: break-word;
+  width: 100%;
 }
 
-/* Double row items */
-.resource-card-3x12 > .card-bg, .resource-card-6x12 > .card-bg, .resource-card-9x12 > .card-bg, .resource-card-12x12 > .card-bg, .resource-card-15x12 > .card-bg, .resource-card-18x12 > .card-bg {
-  height: 320px;
+.dac-custom-search-load-more {
+  background: none;
+  border: none;
+  color: #333;
+  cursor: pointer;
+  display: block;
+  font-size: 14px;
+  font-weight: 700;
+  margin: 75px auto;
+  outline: none;
+  padding: 10px;
 }
-.resource-card-3x12 > .card-info, .resource-card-6x12 > .card-info, .resource-card-9x12 > .card-info, .resource-card-12x12 > .card-info, .resource-card-15x12 > .card-info, .resource-card-18x12 > .card-info {
-  padding: 4px 12px 6px 12px;
-  top: 320px;
+
+.dac-custom-search-load-more:hover {
+  opacity: 0.7;
 }
-.resource-card-3x12 > .card-info .section, .resource-card-6x12 > .card-info .section, .resource-card-9x12 > .card-info .section, .resource-card-12x12 > .card-info .section, .resource-card-15x12 > .card-info .section, .resource-card-18x12 > .card-info .section {
-  font-size: 12px;
-  margin-bottom: 1px;
+
+.dac-custom-search-no-results {
+  color: #999;
 }
-.resource-card-3x12 > .card-info .title, .resource-card-6x12 > .card-info .title, .resource-card-9x12 > .card-info .title, .resource-card-12x12 > .card-info .title, .resource-card-15x12 > .card-info .title, .resource-card-18x12 > .card-info .title {
+
+.dac-search-hero {
   font-size: 16px;
-  margin-bottom: -2px;
-  white-space: normal;
-}
-.resource-card-3x12 > .card-info .description, .resource-card-6x12 > .card-info .description, .resource-card-9x12 > .card-info .description, .resource-card-12x12 > .card-info .description, .resource-card-15x12 > .card-info .description, .resource-card-18x12 > .card-info .description {
-  font-size: 13px;
-  line-height: 15px;
+  padding: 50px 0 14px 0;
 }
 
-/* 1/3 row items */
-.resource-card-3x2 > .card-bg, .resource-card-6x2 > .card-bg, .resource-card-9x2 > .card-bg, .resource-card-12x2 > .card-bg, .resource-card-15x2 > .card-bg, .resource-card-18x2 > .card-bg {
+.dac-search-results {
+  opacity: 0;
+  visibility: hidden;
+  -webkit-transition: visibility 0s linear 300ms, opacity 300ms linear;
+  transition: visibility 0s linear 300ms, opacity 300ms linear;
+  background-color: #fff;
+  bottom: 0;
   left: 0;
-  top: 0;
-  width: 90px;
-  height: 100%;
-  position: absolute;
-  display: block;
+  overflow-y: auto;
+  padding: 0 10px;
+  position: fixed;
+  right: 0;
+  -webkit-transition: opacity 100ms;
+  transition: opacity 100ms;
+  top: 64px;
+  z-index: 50;
 }
-.resource-card-3x2 > .card-info, .resource-card-6x2 > .card-info, .resource-card-9x2 > .card-info, .resource-card-12x2 > .card-info, .resource-card-15x2 > .card-info, .resource-card-18x2 > .card-info {
-  left: 90px;
-  padding: 4px 12px 4px 12px;
-  height: 80px;
-  overflow: hidden;
+
+.dac-nav-animating .dac-search-results {
+  -webkit-transition: opacity 100ms, padding .3s;
+  transition: opacity 100ms, padding .3s;
 }
-.resource-card-3x2 > .card-info .section, .resource-card-6x2 > .card-info .section, .resource-card-6x3 > .card-info .section, .resource-card-9x2 > .card-info .section, .resource-card-12x2 > .card-info .section, .resource-card-15x2 > .card-info .section, .resource-card-18x2 > .card-info .section {
-  font-size: 12px;
-  margin-bottom: 1px;
-  /* display: none; */
+
+.dac-search-results * {
+  box-sizing: border-box;
 }
-.resource-card-3x2 > .card-info .title, .resource-card-6x2 > .card-info .title, .resource-card-9x2 > .card-info .title, .resource-card-12x2 > .card-info .title, .resource-card-15x2 > .card-info .title, .resource-card-18x2 > .card-info .title {
-  font-size: 16px;
-  margin-bottom: -2px;
-  white-space: normal;
-  overflow: visible;
-  text-overflow: ellipsis;
+
+.dac-search-open .dac-search-results {
+  opacity: 1;
+  visibility: visible;
 }
-.resource-card-3x2 > .card-info .title:after, .resource-card-6x2 > .card-info .title:after, .resource-card-9x2 > .card-info .title:after, .resource-card-12x2 > .card-info .title:after, .resource-card-15x2 > .card-info .title:after, .resource-card-18x2 > .card-info .title:after {
-  /* content: url(../images/link-out.png); */
-  display: block;
+
+.dac-search-results-content {
+  background: #eceff1;
+  margin: 0 -10px;
+  padding: 0 10px;
 }
-.resource-card-3x2 > .card-info .description, .resource-card-6x2 > .card-info .description, .resource-card-9x2 > .card-info .description, .resource-card-12x2 > .card-info .description, .resource-card-15x2 > .card-info .description, .resource-card-18x2 > .card-info .description {
-  display: none;
+
+.dac-search-results-for {
+  margin-bottom: -5px;
+  overflow: hidden;
+  padding-top: 5px;
 }
 
+.dac-search-results-for span {
+  color: #039bef;
+}
 
-/* Override to show the description instead of the content section */
-.no-section .resource-card-3x2 > .card-info .section,
-.no-section .resource-card-6x2 > .card-info .section {
+.dac-search-mode .dac-search-results-for {
   display: none;
 }
-.no-section .resource-card-3x2 > .card-info .description,
-.no-section .resource-card-6x2 > .card-info .description {
-  display: block;
+
+.dac-search-results-history {
+  background: #eceff1;
+  min-height: 100%;
+  margin: 0 -10px;
+  padding: 0 10px;
 }
 
-/* 1/2 row items */
-.resource-card-3x3 > .card-bg, .resource-card-6x3 > .card-bg, .resource-card-9x3 > .card-bg, .resource-card-12x3 > .card-bg, .resource-card-15x3 > .card-bg, .resource-card-18x3 > .card-bg {
-  left: 0;
-  top: 0;
-  width: 90px;
-  height: 100%;
-  position: absolute;
-  display: block;
+.dac-search-results-hero {
+  padding-top: 20px;
 }
-.resource-card-3x3 > .card-info, .resource-card-6x3 > .card-info, .resource-card-9x3 > .card-info, .resource-card-12x3 > .card-info, .resource-card-15x3 > .card-info, .resource-card-18x3 > .card-info {
-  left: 90px;
-  padding: 4px 12px 0px 12px;
+
+.dac-search-results-metadata {
+  padding-bottom: 40px;
 }
-.resource-card-3x3 > .card-info .section, .resource-card-6x3 > .card-info .section, .resource-card-9x3 > .card-info .section, .resource-card-12x3 > .card-info .section, .resource-card-15x3 > .card-info .section, .resource-card-18x3 > .card-info .section {
-  font-size: 12px;
-  margin-bottom: 1px;
-  display: none;
+
+#dac-search-results-reference {
+  float:right;
+  z-index:999;
 }
-.resource-card-3x3 > .card-info .title, .resource-card-6x3 > .card-info .title, .resource-card-9x3 > .card-info .title, .resource-card-12x3 > .card-info .title, .resource-card-15x3 > .card-info .title, .resource-card-18x3 > .card-info .title {
-  font-size: 16px;
-  margin-bottom: -2px;
-  white-space: normal;
-  overflow: visible;
+
+@media (max-width: 719px) {
+  #dac-search-results-reference {
+    float:none;
+  }
 }
-.resource-card-3x3 > .card-info .description .text, .resource-card-6x3 > .card-info .description .text, .resource-card-9x3 > .card-info .description .text, .resource-card-12x3 > .card-info .description .text, .resource-card-15x3 > .card-info .description .text, .resource-card-18x3 > .card-info .description .text {
-  font-size: 12px;
-  line-height: 15px;
-  padding-right: 0px !important;
-  height: 80px;
+
+.dac-search-results-reference {
+  background: white;
+  box-shadow: 0px 1px 3px 0px rgba(0, 0, 0, 0.21);
+  margin: 0 0 20px 0;
+  overflow: hidden;
+  padding: 6px 0 4px;
 }
-.resource-card-3x3 > .card-info .description .util, .resource-card-6x3 > .card-info .description .util, .resource-card-9x3 > .card-info .description .util, .resource-card-12x3 > .card-info .description .util, .resource-card-15x3 > .card-info .description .util, .resource-card-18x3 > .card-info .description .util {
-  display: none;
+
+.dac-search-results-reference .namespace {
+  color: #666;
 }
-/* placement of plusone */
-.resource-card-6x12 > .card-info .description .util, .resource-card-9x12 > .card-info .description .util, .resource-card-12x12 > .card-info .description .util, .resource-card-15x12 > .card-info .description .util {
-  bottom:2px;
+
+.dac-search-results-reference.is-expanded {
+  height: auto;
 }
-.resource-card-18x12 > .card-info .description .util {
-  bottom:2px;
+
+.dac-search-results-reference-header {
+  color: #999;
+  font-size: 16px;
+  font-variant: small-caps;
+  font-weight: 700;
+  margin: 0;
+  padding: 18px 12px 0;
+  text-transform: lowercase;
 }
-/* Overrides for col-16 6x6 cards linking to local content on landing pages.
-   Suppresses "section" and puts the title above a hairline rule. */
-.landing .card-info .section, .resource-flow-layout.col-16.landing .resource-card-9x6 .card-info .section {
-  display:none;
+
+.dac-search-results-reference-header:first-child {
+  padding-top: 0;
 }
-.landing  .card-info .title {
-  color: #898989;
-  font-size: 17px;
-  line-height: 24px;
-  margin-bottom: 6px;
-  border-bottom: 1px solid #959595;
-  padding-bottom: 0px;
+
+.dac-search-results-reference-entry {
+  margin: 0;
 }
-.landing .card-info .description {
-  font-size: 13px;
-  line-height: 15px;
+
+.dac-search-results-reference-entry a {
+  color: #333;
+  display: block;
+  font-size: 0.81em;
+  line-height: 1.5em;
+  padding: 0 12px 5px 12px;
+  width: 100%;
+  white-space: nowrap;
 }
-.landing .card-info .description .text {
-height:30px;
+
+ul.dac-search-results-reference {
+list-style: none;
 }
-.landing .resource-card-6x6 > .card-info .description .util, .landing .resource-card-9x6 > .card-info .description .util {
-  bottom:2px;
+
+ul.dac-search-results-reference li[data-toggle="show-more"] {
+  cursor:pointer;
 }
-/*
-  Generate a resource stack layout for a 3 column widget spanning 16 grid cols
-*/
-.resource-stack-layout.col-16 {
-  margin: 0 -14px 0 0;
-  width: 954px;
+
+ul.dac-search-results-reference.is-expanded li[data-toggle="show-more"] {
+  display:none;
 }
-.resource-stack-layout.col-16 .resource-card-stack {
-  margin: 0 14px 0 0;
-  width: 304px;
+
+.dac-search-results-reference-entry a:hover {
+  background-color: #eceff1;
 }
 
-/* Example of card menu tinting */
-.resource-widget[data-section=distribute\/tools] .section-card-menu
-.card-bg:after {
-  background: rgba(126, 55, 148, 0.4) !important;
+.dac-search-results-reference-entry em {
+  font-style: normal;
+  font-weight: 700;
 }
-.resource-widget[data-section=distribute\/tools] .section-card-menu
-.card-section-icon .icon {
-  background-color: #7e3794 !important;
+
+.dac-search-results-reference-entry-empty {
+  color: #999;
+  font-size: 0.81em;
+  margin: 0;
+  padding: 2px 12px 14px;
 }
-.resource-widget[data-section=distribute\/tools] .section-card-menu
-.card-info ul li {
-  border-top-color: #7e3794 !important;
+
+.dac-search-results-resources {
+  margin: 0;
 }
 
-/* tinting for stacks */
+.dac-search-results-resources .resource-card {
+  border-right: 2px solid #999;
+}
 
-div.jd-descr > .resource-widget[data-section=distribute\/tools]
-.section-card-menu .card-info ul li {
-  border-top-color: #7e3794 !important;
+.dac-search-results-resources .resource-card-about {
+  border-right: 2px solid #6ab344;
 }
 
+.dac-search-results-resources .resource-card-about .section {
+  color: #6ab344;
+}
 
+.dac-search-results-resources .resource-card-develop {
+  border-right: 2px solid #ff7043;
+}
 
-/**
- * UTILITIES
- */
+.dac-search-results-resources .resource-card-develop .section {
+  color: #ff7043;
+}
 
+.dac-search-results-resources .resource-card-design {
+  border-right: 2px solid #00bcd4;
+}
 
-.border-box {
-  box-sizing: border-box;
+.dac-search-results-resources .resource-card-design .section {
+  color: #00bcd4;
 }
 
-.vertical-center-outer {
-  display: table;
-  height: 100%;
-  width: 100%;
+.dac-search-results-resources .resource-card-distribute {
+  border-right: 2px solid #afb42b;
 }
 
-.vertical-center-inner {
-  display: table-cell;
-  vertical-align: middle;
+.dac-search-results-resources .resource-card-distribute .section {
+  color: #afb42b;
 }
 
-/**
- * TYPE STYLES
- */
+@media (max-width: 719px) {
+  .dac-search-results-reference.no-results {
+    display: none;
+  }
+}
 
-.landing-h1 {
-  font-weight: 100;
-  font-size: 60px;
-  line-height: 78px;
-  text-align: center;
-  letter-spacing: -1px;
+@media (min-width: 980px) {
+  .dac-nav-open.dac-search-open .dac-search-results {
+    padding-left: 260px;
+  }
+
+  .dac-search-mode.dac-search-open .dac-search-results {
+    padding-left: 10px;
+  }
 }
 
-.landing-pre-h1 {
-  font-weight: 400;
-  font-size: 28px;
-  color: #93B73F;
-  line-height: 36px;
-  text-align: center;
-  letter-spacing: -1px;
-  text-transform: uppercase;
+.dac-selected {
+  color: #039bef !important;
+}
 
+.dac-selected em {
+  color: #039bef;
 }
 
-.landing-h1.hero {
-  text-align: left;
+.resource-card.dac-selected {
+  box-shadow: 0px 1px 10px 0px rgba(3, 155, 239, 0.7);
 }
 
-.landing-h2 {
-  font-weight: 300;
-  font-size: 42px;
-  line-height: 64px;
-  text-align: center;
+.resource-card.dac-selected em {
+  color: #333;
 }
 
-.landing-subhead {
-  color: #999999;
-  font-size: 20px;
-  line-height: 28px;
-  font-weight:300;
-  text-align: center;
+.dac-expand, .dac-section {
+  margin-left: -20px;
+  margin-right: -20px;
+  padding-left: 20px;
+  padding-right: 20px;
 }
-.landing-subhead.hero {
-  text-align: left;
-  color: white;
+
+@media (max-width: 719px) {
+  .dac-expand, .dac-section {
+    margin-left: -10px;
+    margin-right: -10px;
+    padding-left: 10px;
+    padding-right: 10px;
+  }
 }
 
-.landing-hero-description {
-  text-align: left;
-  margin: 1em 0;
+.dac-invert {
+  color: #b3b3b3;
+  color: rgba(255, 255, 255, 0.7);
 }
 
-.landing-hero-description p {
-  font-weight: 300;
-  margin: 0;
-  font-size: 18px;
-  line-height: 24px;
+.dac-invert h1, .dac-invert h2, .dac-invert h3 {
+  color: #fff;
 }
 
-.landing-body .landing-small {
-  font-size: 14px;
-  line-height: 19px;
+.dac-light.dac-hero, .dac-light.dac-section {
+  background-color: #eceff1;
 }
 
-.landing-body.landing-align-center {
-  text-align: center;
+.dac-gray.dac-hero, .dac-gray.dac-section {
+  background-color: #d8dfe2;
 }
 
-.landing-align-left {
-  text-align: left;
+.dac-gray-dark.dac-hero, .dac-gray-dark.dac-section {
+   background-color: #b0bec5;
 }
 
-/**
- * LAYOUT
- */
+.dac-dark.dac-hero, .dac-dark.dac-section {
+  background-color: #37474f;
+}
 
-#body-content,
-.fullpage,
-#jd-content,
-.jd-descr,
-.landing-body-content {
-  height: 100%;
+.dac-red.dac-hero, .dac-red.dac-section {
+  background-color: #dc4d38;
 }
 
-.landing-section {
-  padding: 80px 10px 80px;
-  width: 100%;
-  margin-left: -10px;
-  text-rendering: optimizeLegibility;
+.dac-blue.dac-hero,
+.dac-blue.dac-section {
+  background-color: #0277bd;
 }
 
-#extending-android-to-wearables {
-  padding-top: 30px;
+.dac-blue.dac-invert .dac-hero-description,
+.dac-blue.dac-invert .dac-section-subtitle {
+  color: #fff;
 }
 
-.landing-short-section {
-  padding: 40px 10px 28px;
+.dac-dark-gray.dac-hero,
+.dac-dark-gray.dac-section {
+  background-color: #455a64;
 }
 
-.landing-gray-background {
-  background-color: #e9e9e9;
+.dac-bg-opacity::after {
+  background-color: rgba(0, 0, 0, .3);
+  content : "";
+  display: block;
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 1;
 }
 
-.landing-white-background {
-  background-color: white;
+.dac-hero-cta, .dac-section-title, .dac-section-links {
+  color: #212121;
+  color: rgba(0, 0, 0, 0.87);
 }
 
-.landing-red-background {
+.dac-invert .dac-hero-cta, .dac-invert .dac-section-title, .dac-invert .dac-section-links {
   color: white;
-  background-color: hsl(8, 70%, 54%);
 }
 
-.landing-subhead-red {
-  color: hsl(8, 71%, 84%);
-  text-align: left;
+.dac-hero-cta .dac-sprite, .dac-section-title .dac-sprite, .dac-section-links .dac-sprite, .dac-hero-cta .dac-modal-header-close:before, .dac-section-title .dac-modal-header-close:before, .dac-section-links .dac-modal-header-close:before, .dac-hero-cta .paging-links .prev-page-link:before, .paging-links .dac-hero-cta .prev-page-link:before, .dac-section-title .paging-links .prev-page-link:before, .paging-links .dac-section-title .prev-page-link:before, .dac-section-links .paging-links .prev-page-link:before, .paging-links .dac-section-links .prev-page-link:before, .dac-hero-cta .paging-links .next-page-link:before, .paging-links .dac-hero-cta .next-page-link:before, .dac-section-title .paging-links .next-page-link:before, .paging-links .dac-section-title .next-page-link:before, .dac-section-links .paging-links .next-page-link:before, .paging-links .dac-section-links .next-page-link:before, .dac-hero-cta .paging-links .next-class-link:before, .paging-links .dac-hero-cta .next-class-link:before, .dac-section-title .paging-links .next-class-link:before, .paging-links .dac-section-title .next-class-link:before, .dac-section-links .paging-links .next-class-link:before, .paging-links .dac-section-links .next-class-link:before, .dac-hero-cta .paging-links .start-class-link:after, .paging-links .dac-hero-cta .start-class-link:after, .dac-section-title .paging-links .start-class-link:after, .paging-links .dac-section-title .start-class-link:after, .dac-section-links .paging-links .start-class-link:after, .paging-links .dac-section-links .start-class-link:after {
+  opacity: .87;
 }
 
-.landing-subhead-red p {
-  margin-top: 20px;
+.dac-invert .dac-hero-cta .dac-sprite, .dac-invert .dac-section-title .dac-sprite, .dac-invert .dac-section-links .dac-sprite, .dac-invert .dac-hero-cta .dac-modal-header-close:before, .dac-invert .dac-section-title .dac-modal-header-close:before, .dac-invert .dac-section-links .dac-modal-header-close:before, .dac-invert .dac-hero-cta .paging-links .prev-page-link:before, .paging-links .dac-invert .dac-hero-cta .prev-page-link:before, .dac-invert .dac-section-title .paging-links .prev-page-link:before, .paging-links .dac-invert .dac-section-title .prev-page-link:before, .dac-invert .dac-section-links .paging-links .prev-page-link:before, .paging-links .dac-invert .dac-section-links .prev-page-link:before, .dac-invert .dac-hero-cta .paging-links .next-page-link:before, .paging-links .dac-invert .dac-hero-cta .next-page-link:before, .dac-invert .dac-section-title .paging-links .next-page-link:before, .paging-links .dac-invert .dac-section-title .next-page-link:before, .dac-invert .dac-section-links .paging-links .next-page-link:before, .paging-links .dac-invert .dac-section-links .next-page-link:before, .dac-invert .dac-hero-cta .paging-links .next-class-link:before, .paging-links .dac-invert .dac-hero-cta .next-class-link:before, .dac-invert .dac-section-title .paging-links .next-class-link:before, .paging-links .dac-invert .dac-section-title .next-class-link:before, .dac-invert .dac-section-links .paging-links .next-class-link:before, .paging-links .dac-invert .dac-section-links .next-class-link:before, .dac-invert .dac-hero-cta .paging-links .start-class-link:after, .paging-links .dac-invert .dac-hero-cta .start-class-link:after, .dac-invert .dac-section-title .paging-links .start-class-link:after, .paging-links .dac-invert .dac-section-title .start-class-link:after, .dac-invert .dac-section-links .paging-links .start-class-link:after, .paging-links .dac-invert .dac-section-links .start-class-link:after {
+  opacity: 1;
 }
 
-.landing-hero-container {
-  height: 100%;
+.dac-hero-tag, .dac-hero-description, .dac-section-subtitle {
+  color: #757575;
+  color: rgba(0, 0, 0, 0.54);
 }
 
+.dac-invert .dac-hero-tag, .dac-invert .dac-hero-description, .dac-invert .dac-section-subtitle {
+  color: #b3b3b3;
+  color: rgba(255, 255, 255, 0.7);
+}
 
-.preview-hero {
-  height: calc(100% - 110px);
-  min-height: 504px;
-  margin-top: -5px;
-  padding-top: 0;
-  padding-bottom: 0;
-  background-image: url(../../preview/images/hero.jpg);
-  background-size: cover;
-  background-position: right center;
-  color: white;
-  position: relative;
-  overflow: hidden;
+.dac-hero.dac-no-min-height {
+  min-height: 0;
 }
 
-.wear-hero {
-  height: calc(100% - 110px);
-  min-height: 504px;
-  margin-top: -5px;
-  padding-top: 0;
-  padding-bottom: 0;
-  background-image: url(../../wear/images/hero.jpg);
+.dac-hero-half-bg {
   background-size: cover;
-  background-position: top center;
-  color: white;
-  position: relative;
-  overflow: hidden;
+  background-repeat: no-repeat;
+  float: right;
+  height: 440px;
 }
 
-.tv-hero {
-  height: calc(100% - 110px);
-  min-height: 504px;
-  margin-top: -5px;
-  padding-top: 0;
-  padding-bottom: 0;
-  background-image: url(../../tv/images/hero.jpg);
+.dac-hero-half-bg-centered {
+  background-position: center;
+  background-repeat: no-repeat;
   background-size: cover;
-  background-position: right center;
-  color: white;
-  position: relative;
-  overflow: hidden;
+  float: right;
+  height: 440px;
 }
 
-.auto-hero {
-  height: calc(100% - 110px);
-  min-height: 504px;
-  margin-top: -5px;
-  padding-top: 0;
-  padding-bottom: 0;
-  background-image: url(../../auto/images/hero.jpg);
-  background-size: cover;
-  background-position: right center;
-  color: white;
-  position: relative;
-  overflow: hidden;
+@media only screen and (-webkit-min-device-pixel-ratio: 2),
+only screen and (-moz-min-device-pixel-ratio: 2),
+only screen and (min-device-pixel-ratio: 2),
+only screen and (min-resolution: 192dpi),
+only screen and (min-resolution: 2dppx) {
+  .dac-hero-half-bg,
+  .dac-hero-half-bg-centered {
+    background-size: "" "";
+  }
 }
 
-.landing-hero-scrim {
-  background: black;
-  opacity: .2;
-  position: absolute;
-  width: 100%;
-  height: 100%;
-  margin-left: -10px;
+@media (max-width: 719px) {
+  .dac-hero-half-bg,
+  .dac-hero-half-bg-centered {
+    background-position: center;
+    background-size: auto 100%;
+    float: none;
+    height: 200px;
+    margin-top: 32px;
+  }
 }
 
-.landing-hero-wrap {
-  margin: 0 auto;
-  width: 940px;
-  clear: both;
-  height: 100%;
+.dac-section {
+  background-position: 50% 50%;
+  background-size: cover;
+  padding-bottom: 84px;
+  padding-top: 84px;
   position: relative;
 }
 
-.landing-section-header {
-  margin-bottom: 40px;
+@media (max-width: 719px) {
+  .dac-section {
+    padding-bottom: 52px;
+    padding-top: 52px;
+  }
 }
 
-.landing-hero-wrap .landing-section-header {
-  margin-bottom: 16px;
+.dac-section.dac-small,
+.dac-hero.dac-small {
+  padding-bottom: 32px;
+  padding-top: 32px;
 }
 
-.landing-body {
-  font-size: 18px;
-  line-height: 24px;
+.dac-section.dac-slim {
+  padding-bottom: 0;
+  padding-top: 0;
 }
 
-.landing-button {
-  white-space: nowrap;
-  display: inline-block;
-  padding: 16px 32px;
-  font-size: 18px;
-  font-weight: 500;
-  line-height: 24px;
-  cursor: pointer;
-  color: white;
-  -webkit-user-select: none;
-     -moz-user-select: none;
-       -o-user-select: none;
-  user-select: none;
-  -webkit-transition: .2s background-color ease-in-out;
-     -moz-transition: .2s background-color ease-in-out;
-       -o-transition: .2s background-color ease-in-out;
-  transition: .2s background-color ease-in-out;
+.dac-section-title {
+  text-align: center;
+  padding-bottom: 40px;
+  padding-top: 0;
 }
 
-.landing-primary {
-  background-color: hsl(8, 70%, 44%);
-  color: #f8f8f8;
+.dac-section-subtitle {
+  font-size: 16px;
+  padding-bottom: 40px;
+  margin-top: -24px;
+  text-align: center;
 }
 
-.landing-button.landing-primary:hover {
-  background-color: hsl(8, 70%, 36%);
+.dac-section-links {
+  font-size: 16px;
+  list-style: none;
+  line-height: 40px;
+  margin: 16px 0 0;
+  text-align: center;
 }
 
-.landing-button.landing-primary:active {
-  background-color: hsl(8, 70%, 30%);
+@media (max-width: 719px) {
+  .dac-section-links {
+    margin-left: -8px;
+    text-align: left;
+  }
 }
 
-.landing-button.landing-secondary {
-  background-color: #2faddb;
+.dac-section-link {
+  cursor: pointer;
+  display: inline-block;
+  margin: 0 32px;
+  -webkit-transition: opacity .3s;
+  transition: opacity .3s;
 }
 
-.landing-button.landing-secondary:hover {
-  background-color: #09c;
+.dac-section-link:hover {
+  opacity: .54;
 }
 
-.landing-button.landing-secondary:active {
-  background-color: #3990ab;
+@media (max-width: 719px) {
+  .dac-section-link {
+    display: block;
+    margin: 0;
+  }
 }
 
-a.landing-button,
-a.landing-button:hover,
-a.landing-button:visited {
-  color: white !important;
+.dac-section-link a {
+  color: inherit;
 }
 
-.landing-video-link {
-  white-space: nowrap;
-  display: inline-block;
-  padding: 16px 32px 16px 82px;
-  font-size: 18px;
-  font-weight: 400;
-  line-height: 24px;
-  cursor: pointer;
-  color: hsla(0, 0%, 100%, .8);
-  -webkit-user-select: none;
-     -moz-user-select: none;
-       -o-user-select: none;
-  user-select: none;
-  -webkit-transition: .2s color ease-in-out;
-     -moz-transition: .2s color ease-in-out;
-       -o-transition: .2s color ease-in-out;
-  transition: .2s color ease-in-out;
+/*
+SCSS variables are information about icon's compiled state, stored under its original file name
+
+.icon-home {
+  width: $icon-home-width;
 }
 
-.landing-video-link:before {
-  height: 64px;
-  width: 64px;
+The large array-like variables contain all information about a single icon
+$icon-home: x y offset_x offset_y width height total_width total_height image_path;
+
+At the bottom of this section, we provide information about the spritesheet itself
+$spritesheet: width height image $spritesheet-sprites;
+*/
+.dac-sprite, .dac-modal-header-close:before, .paging-links .prev-page-link:before, .paging-links .next-page-link:before, .paging-links .next-class-link:before, .paging-links .start-class-link:after, .Video-button--picture-in-picture, .Video-button--close, a.video-shadowbox-button.white::after, #tb li:before,
+#qv li:before {
+  background-image: url(../images/sprite.png);
   display: inline-block;
-  background-image: url(data:image/png;base64,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);
-  background-size: contain;
-  position: absolute;
-  content: "";
-  opacity: .7;
-  margin-top: -19px;
-  margin-left: -64px;
-  -webkit-transition: .2s opacity ease-in-out;
-     -moz-transition: .2s opacity ease-in-out;
-       -o-transition: .2s opacity ease-in-out;
-  transition: .2s opacity ease-in-out;
+  vertical-align: middle;
 }
 
-.landing-video-link:hover {
-  color: hsla(0, 0%, 100%, 1);
+@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 1.5dppx), (min-resolution: 144px) {
+
+  .dac-sprite,
+  .dac-modal-header-close:before,
+  .paging-links .prev-page-link:before,
+  .paging-links .next-page-link:before,
+  .paging-links .next-class-link:before,
+  .paging-links .start-class-link:after,
+  .Video-button--picture-in-picture,
+  .Video-button--close,
+  a.video-shadowbox-button.white::after,
+  #tb li:before,
+  #qv li:before {
+    background-image: url(../images/sprite_2x.png);
+    background-size: 36px 900px;
+  }
 }
 
-.landing-video-link:hover:before {
-  opacity: 1;
+.dac-chevron {
+  background-size: 9px 39px;
+  display: inline-block;
+  height: 13px;
+  text-indent: -9999px;
+  width: 9px;
 }
 
-.landing-social-image {
-  float: left;
-  margin-right: 14px;
-  height: 64px;
-  width: 64px;
+.dac-sprite.dac-auto-chevron,
+.dac-auto-chevron.dac-modal-header-close:before,
+.paging-links .dac-auto-chevron.prev-page-link:before,
+.paging-links .dac-auto-chevron.next-page-link:before,
+.paging-links .dac-auto-chevron.next-class-link:before,
+.paging-links .dac-auto-chevron.start-class-link:after {
+  background-position: 0px -669px;
+  height: 24px;
+  width: 24px;
+  vertical-align: -6px;
 }
 
-.landing-social-copy {
-  padding-left: 78px;
+.dac-invert .dac-sprite.dac-auto-chevron, .dac-invert .dac-auto-chevron.dac-modal-header-close:before, .dac-invert .paging-links .dac-auto-chevron.prev-page-link:before, .paging-links .dac-invert .dac-auto-chevron.prev-page-link:before, .dac-invert .paging-links .dac-auto-chevron.next-page-link:before, .paging-links .dac-invert .dac-auto-chevron.next-page-link:before, .dac-invert .paging-links .dac-auto-chevron.next-class-link:before, .paging-links .dac-invert .dac-auto-chevron.next-class-link:before, .dac-invert .paging-links .dac-auto-chevron.start-class-link:after, .paging-links .dac-invert .dac-auto-chevron.start-class-link:after {
+  background-position: 0px -513px;
+  height: 24px;
+  width: 24px;
 }
 
-.landing-scroll-down-affordance {
-  position: absolute;
-  bottom: 0;
-  width: 100%;
-  text-align: center;
-  z-index: 10;
+.dac-sprite.dac-auto-chevron-large, .dac-auto-chevron-large.dac-modal-header-close:before, .paging-links .dac-auto-chevron-large.prev-page-link:before, .paging-links .dac-auto-chevron-large.next-page-link:before, .paging-links .dac-auto-chevron-large.next-class-link:before, .paging-links .dac-auto-chevron-large.start-class-link:after {
+  background-position: 0px -695px;
+  height: 36px;
+  width: 36px;
+  vertical-align: -10px;
+}
+
+.dac-invert .dac-sprite.dac-auto-chevron-large,
+.dac-invert .dac-auto-chevron-large.dac-modal-header-close:before,
+.dac-invert .paging-links .dac-auto-chevron-large.prev-page-link:before,
+.paging-links .dac-invert .dac-auto-chevron-large.prev-page-link:before,
+.dac-invert .paging-links .dac-auto-chevron-large.next-page-link:before,
+.paging-links .dac-invert .dac-auto-chevron-large.next-page-link:before,
+.dac-invert .paging-links .dac-auto-chevron-large.next-class-link:before,
+.paging-links .dac-invert .dac-auto-chevron-large.next-class-link:before,
+.dac-invert .paging-links .dac-auto-chevron-large.start-class-link:after,
+.paging-links .dac-invert .dac-auto-chevron-large.start-class-link:after {
+  background-position: 0px -771px;
+  height: 36px;
+  width: 36px;
 }
 
-.landing-down-arrow {
-  padding: 24px;
-  display: inline-block;
-  opacity: .5;
-  -webkit-transition: .2s opacity ease-in-out;
-     -moz-transition: .2s opacity ease-in-out;
-       -o-transition: .2s opacity ease-in-out;
-  transition: .2s opacity ease-in-out;
+.dac-sprite.dac-auto-unfold-less, .dac-auto-unfold-less.dac-modal-header-close:before, .paging-links .dac-auto-unfold-less.prev-page-link:before, .paging-links .dac-auto-unfold-less.next-page-link:before, .paging-links .dac-auto-unfold-less.next-class-link:before, .paging-links .dac-auto-unfold-less.start-class-link:after {
+  background-position: 0px -487px;
+  height: 24px;
+  width: 24px;
+  vertical-align: -6px; }
+  .dac-invert .dac-sprite.dac-auto-unfold-less, .dac-invert .dac-auto-unfold-less.dac-modal-header-close:before, .dac-invert .paging-links .dac-auto-unfold-less.prev-page-link:before, .paging-links .dac-invert .dac-auto-unfold-less.prev-page-link:before, .dac-invert .paging-links .dac-auto-unfold-less.next-page-link:before, .paging-links .dac-invert .dac-auto-unfold-less.next-page-link:before, .dac-invert .paging-links .dac-auto-unfold-less.next-class-link:before, .paging-links .dac-invert .dac-auto-unfold-less.next-class-link:before, .dac-invert .paging-links .dac-auto-unfold-less.start-class-link:after, .paging-links .dac-invert .dac-auto-unfold-less.start-class-link:after {
+    background-position: 0px -565px;
+    height: 24px;
+    width: 24px; }
+
+.dac-sprite.dac-auto-unfold-more, .dac-auto-unfold-more.dac-modal-header-close:before, .paging-links .dac-auto-unfold-more.prev-page-link:before, .paging-links .dac-auto-unfold-more.next-page-link:before, .paging-links .dac-auto-unfold-more.next-class-link:before, .paging-links .dac-auto-unfold-more.start-class-link:after {
+  background-position: 0px -539px;
+  height: 24px;
+  width: 24px;
+  vertical-align: -6px; }
+  .dac-invert .dac-sprite.dac-auto-unfold-more, .dac-invert .dac-auto-unfold-more.dac-modal-header-close:before, .dac-invert .paging-links .dac-auto-unfold-more.prev-page-link:before, .paging-links .dac-invert .dac-auto-unfold-more.prev-page-link:before, .dac-invert .paging-links .dac-auto-unfold-more.next-page-link:before, .paging-links .dac-invert .dac-auto-unfold-more.next-page-link:before, .dac-invert .paging-links .dac-auto-unfold-more.next-class-link:before, .paging-links .dac-invert .dac-auto-unfold-more.next-class-link:before, .dac-invert .paging-links .dac-auto-unfold-more.start-class-link:after, .paging-links .dac-invert .dac-auto-unfold-more.start-class-link:after {
+    background-position: 0px -305px;
+    height: 24px;
+    width: 24px; }
+
+.dac-sprite.dac-arrow-down-gray, .dac-arrow-down-gray.dac-modal-header-close:before, .paging-links .dac-arrow-down-gray.prev-page-link:before, .paging-links .dac-arrow-down-gray.next-page-link:before, .paging-links .dac-arrow-down-gray.next-class-link:before, .paging-links .dac-arrow-down-gray.start-class-link:after {
+  background-position: 0px 0px;
+  height: 11px;
+  width: 19px; }
+
+.dac-sprite.dac-arrow-right, .dac-arrow-right.dac-modal-header-close:before, .paging-links .dac-arrow-right.prev-page-link:before, .paging-links .dac-arrow-right.next-page-link:before, .paging-links .dac-arrow-right.next-class-link:before, .paging-links .dac-arrow-right.start-class-link:after {
+  background-position: 0px -215px;
+  height: 18px;
+  width: 11px; }
+
+.dac-sprite.dac-back-arrow, .dac-back-arrow.dac-modal-header-close:before, .paging-links .dac-back-arrow.prev-page-link:before, .paging-links .dac-back-arrow.next-page-link:before, .paging-links .dac-back-arrow.next-class-link:before, .paging-links .dac-back-arrow.start-class-link:after {
+  background-position: 0px -123px;
+  height: 16px;
+  width: 16px; }
 
-  -webkit-animation-name: pulse-opacity;
-  -webkit-animation-duration: 4s;
-}
+.dac-sprite.dac-chevron-large-right-black, .dac-chevron-large-right-black.dac-modal-header-close:before, .paging-links .dac-chevron-large-right-black.prev-page-link:before, .paging-links .dac-chevron-large-right-black.next-page-link:before, .paging-links .dac-chevron-large-right-black.next-class-link:before, .paging-links .dac-chevron-large-right-black.start-class-link:after {
+  background-position: 0px -695px;
+  height: 36px;
+  width: 36px; }
 
-.landing-down-arrow:hover {
-  opacity: 1;
-}
+.dac-sprite.dac-chevron-large-right-white, .dac-chevron-large-right-white.dac-modal-header-close:before, .paging-links .dac-chevron-large-right-white.prev-page-link:before, .paging-links .dac-chevron-large-right-white.next-page-link:before, .paging-links .dac-chevron-large-right-white.next-class-link:before, .paging-links .dac-chevron-large-right-white.start-class-link:after {
+  background-position: 0px -771px;
+  height: 36px;
+  width: 36px; }
 
-.landing-down-arrow img {
-  height: 28px;
-  width: 28px;
-  margin: 0 auto;
-  display: block;
-}
+.dac-sprite.dac-chevron-right-black, .dac-chevron-right-black.dac-modal-header-close:before, .paging-links .dac-chevron-right-black.prev-page-link:before, .paging-links .dac-chevron-right-black.next-page-link:before, .paging-links .dac-chevron-right-black.next-class-link:before, .paging-links .dac-chevron-right-black.start-class-link:after {
+  background-position: 0px -669px;
+  height: 24px;
+  width: 24px; }
 
-.landing-divider {
-  display: inline-block;
-  height: 2px;
-  background-color: white;
-  position: relative;
-  margin: 10px 0;
-}
+.dac-sprite.dac-chevron-right-white, .dac-chevron-right-white.dac-modal-header-close:before, .paging-links .dac-chevron-right-white.prev-page-link:before, .paging-links .dac-chevron-right-white.next-page-link:before, .paging-links .dac-chevron-right-white.next-class-link:before, .paging-links .dac-chevron-right-white.start-class-link:after {
+  background-position: 0px -513px;
+  height: 24px;
+  width: 24px; }
 
-/* 3 CLOLUMN LAYOUT */
+.dac-sprite.dac-close-black, .dac-close-black.dac-modal-header-close:before, .paging-links .dac-close-black.prev-page-link:before, .paging-links .dac-close-black.next-page-link:before, .paging-links .dac-close-black.next-class-link:before, .paging-links .dac-close-black.start-class-link:after {
+  background-position: 0px -89px;
+  height: 14px;
+  width: 14px; }
 
-.landing-breakout {
-  margin-top: 40px;
-  margin-bottom: 40px;
-}
+.dac-sprite.dac-close-video-white, .dac-modal-header-close:before, .paging-links .dac-close-video-white.prev-page-link:before, .paging-links .prev-page-link.dac-modal-header-close:before, .paging-links .dac-close-video-white.next-page-link:before, .paging-links .next-page-link.dac-modal-header-close:before, .paging-links .dac-close-video-white.next-class-link:before, .paging-links .next-class-link.dac-modal-header-close:before, .paging-links .dac-close-video-white.start-class-link:after {
+  background-position: 0px -435px;
+  height: 24px;
+  width: 24px; }
 
-.landing-breakout img {
-  margin-bottom: 20px;
-}
+.dac-sprite.dac-close, .dac-close.dac-modal-header-close:before, .paging-links .dac-close.prev-page-link:before, .paging-links .dac-close.next-page-link:before, .paging-links .dac-close.next-class-link:before, .paging-links .dac-close.start-class-link:after {
+  background-position: 0px -27px;
+  height: 12px;
+  width: 12px; }
 
-.landing-partners img {
-  margin-bottom: 20px;
+.dac-sprite.dac-enlarge-video-white, .dac-enlarge-video-white.dac-modal-header-close:before, .paging-links .dac-enlarge-video-white.prev-page-link:before, .paging-links .dac-enlarge-video-white.next-page-link:before, .paging-links .dac-enlarge-video-white.next-class-link:before, .paging-links .dac-enlarge-video-white.start-class-link:after {
+  background-position: 0px -409px;
+  height: 24px;
+  width: 24px; }
+
+.dac-sprite.dac-expand-less-black, .dac-expand-less-black.dac-modal-header-close:before, .paging-links .dac-expand-less-black.prev-page-link:before, .paging-links .dac-expand-less-black.next-page-link:before, .paging-links .dac-expand-less-black.next-class-link:before, .paging-links .dac-expand-less-black.start-class-link:after {
+  background-position: 0px -383px;
+  height: 24px;
+  width: 24px; }
+
+.dac-sprite.dac-expand-more-black, .dac-expand-more-black.dac-modal-header-close:before, .paging-links .dac-expand-more-black.prev-page-link:before, .paging-links .dac-expand-more-black.next-page-link:before, .paging-links .dac-expand-more-black.next-class-link:before, .paging-links .dac-expand-more-black.start-class-link:after {
+  background-position: 0px -357px;
+  height: 24px;
+  width: 24px; }
+
+.dac-sprite.dac-fullscreen-exit, .dac-fullscreen-exit.dac-modal-header-close:before, .paging-links .dac-fullscreen-exit.prev-page-link:before, .paging-links .dac-fullscreen-exit.next-page-link:before, .paging-links .dac-fullscreen-exit.next-class-link:before, .paging-links .dac-fullscreen-exit.start-class-link:after {
+  background-position: 0px -331px;
+  height: 24px;
+  width: 24px; }
+
+.dac-sprite.dac-fullscreen, .dac-fullscreen.dac-modal-header-close:before, .paging-links .dac-fullscreen.prev-page-link:before, .paging-links .dac-fullscreen.next-page-link:before, .paging-links .dac-fullscreen.next-class-link:before, .paging-links .dac-fullscreen.start-class-link:after {
+  background-position: 0px -279px;
+  height: 24px;
+  width: 24px; }
+
+.dac-sprite.dac-google-play, .dac-google-play.dac-modal-header-close:before, .paging-links .dac-google-play.prev-page-link:before, .paging-links .dac-google-play.next-page-link:before, .paging-links .dac-google-play.next-class-link:before, .paging-links .dac-google-play.start-class-link:after {
+  background-position: 0px -235px;
+  height: 20px;
+  width: 17px; }
+
+.dac-sprite.dac-gplus, .dac-gplus.dac-modal-header-close:before, .paging-links .dac-gplus.prev-page-link:before, .paging-links .dac-gplus.next-page-link:before, .paging-links .dac-gplus.next-class-link:before, .paging-links .dac-gplus.start-class-link:after {
+  background-position: 0px -809px;
+  height: 36px;
+  width: 36px; }
+
+.dac-sprite.dac-mail, .dac-mail.dac-modal-header-close:before, .paging-links .dac-mail.prev-page-link:before, .paging-links .dac-mail.next-page-link:before, .paging-links .dac-mail.next-class-link:before, .paging-links .dac-mail.start-class-link:after {
+  background-position: 0px -13px;
+  height: 12px;
+  width: 16px; }
+
+.dac-sprite.dac-nav-back-blue, .dac-nav-back-blue.dac-modal-header-close:before, .paging-links .prev-page-link:before, .paging-links .dac-nav-back-blue.next-page-link:before, .paging-links .dac-nav-back-blue.next-class-link:before, .paging-links .dac-nav-back-blue.start-class-link:after {
+  background-position: 0px -105px;
+  height: 16px;
+  width: 16px; }
+
+.dac-sprite.dac-nav-back, .dac-nav-back.dac-modal-header-close:before, .paging-links .dac-nav-back.prev-page-link:before, .paging-links .dac-nav-back.next-page-link:before, .paging-links .dac-nav-back.next-class-link:before, .paging-links .dac-nav-back.start-class-link:after {
+  background-position: 0px -177px;
+  height: 16px;
+  width: 16px; }
+
+/* The back button in Studio and NDK left nav */
+.dac-nav-back-button.back-to-dev .dac-sprite.dac-nav-back {
+  background-position: 0px -884px;
+  height: 16px;
+  width: 16px;
 }
 
-.landing-breakout p {
-  padding: 0 23px;
-}
+.dac-sprite.dac-nav-forward-blue, .dac-nav-forward-blue.dac-modal-header-close:before, .paging-links .dac-nav-forward-blue.prev-page-link:before, .paging-links .next-page-link:before, .paging-links .next-class-link:before, .paging-links .start-class-link:after {
+  background-position: 0px -159px;
+  height: 16px;
+  width: 16px; }
+
+.dac-sprite.dac-nav-forward, .dac-nav-forward.dac-modal-header-close:before, .paging-links .dac-nav-forward.prev-page-link:before, .paging-links .dac-nav-forward.next-page-link:before, .paging-links .dac-nav-forward.next-class-link:before, .paging-links .dac-nav-forward.start-class-link:after {
+  background-position: 0px -141px;
+  height: 16px;
+  width: 16px; }
+
+.dac-sprite.dac-open-in-new, .dac-open-in-new.dac-modal-header-close:before, .paging-links .dac-open-in-new.prev-page-link:before, .paging-links .dac-open-in-new.next-page-link:before, .paging-links .dac-open-in-new.next-class-link:before, .paging-links .dac-open-in-new.start-class-link:after {
+  background-position: 0px -195px;
+  height: 18px;
+  width: 18px; }
+
+.dac-sprite.dac-picture-in-picture-white, .dac-picture-in-picture-white.dac-modal-header-close:before, .paging-links .dac-picture-in-picture-white.prev-page-link:before, .paging-links .dac-picture-in-picture-white.next-page-link:before, .paging-links .dac-picture-in-picture-white.next-class-link:before, .paging-links .dac-picture-in-picture-white.start-class-link:after {
+  background-position: 0px -461px;
+  height: 24px;
+  width: 24px; }
+
+.dac-sprite.dac-play-circle-grey, .dac-play-circle-grey.dac-modal-header-close:before, .paging-links .dac-play-circle-grey.prev-page-link:before, .paging-links .dac-play-circle-grey.next-page-link:before, .paging-links .dac-play-circle-grey.next-class-link:before, .paging-links .dac-play-circle-grey.start-class-link:after {
+  background-position: 0px -733px;
+  height: 36px;
+  width: 36px; }
+
+.dac-sprite.dac-play-circle-white, .dac-play-circle-white.dac-modal-header-close:before, .paging-links .dac-play-circle-white.prev-page-link:before, .paging-links .dac-play-circle-white.next-page-link:before, .paging-links .dac-play-circle-white.next-class-link:before, .paging-links .dac-play-circle-white.start-class-link:after {
+  background-position: 0px -847px;
+  height: 36px;
+  width: 36px; }
+
+.dac-sprite.dac-play-white, .dac-play-white.dac-modal-header-close:before, .paging-links .dac-play-white.prev-page-link:before, .paging-links .dac-play-white.next-page-link:before, .paging-links .dac-play-white.next-class-link:before, .paging-links .dac-play-white.start-class-link:after {
+  background-position: 0px -257px;
+  height: 20px;
+  width: 16px; }
+
+.dac-sprite.dac-rss, .dac-rss.dac-modal-header-close:before, .paging-links .dac-rss.prev-page-link:before, .paging-links .dac-rss.next-page-link:before, .paging-links .dac-rss.next-class-link:before, .paging-links .dac-rss.start-class-link:after {
+  background-position: 0px -41px;
+  height: 14px;
+  width: 14px; }
 
-.landing-breakout.landing-partners img {
-  margin-bottom: 20px;
-}
+.dac-sprite.dac-search-white, .dac-search-white.dac-modal-header-close:before, .paging-links .dac-search-white.prev-page-link:before, .paging-links .dac-search-white.next-page-link:before, .paging-links .dac-search-white.next-class-link:before, .paging-links .dac-search-white.start-class-link:after {
+  background-position: 0px -591px;
+  height: 24px;
+  width: 24px; }
 
-.col-3-wide {
-  display: inline;
-  float: left;
-  margin-left: 10px;
-  margin-right: 10px;
-}
+.dac-sprite.dac-search, .dac-search.dac-modal-header-close:before, .paging-links .dac-search.prev-page-link:before, .paging-links .dac-search.next-page-link:before, .paging-links .dac-search.next-class-link:before, .paging-links .dac-search.start-class-link:after {
+  background-position: 0px -617px;
+  height: 24px;
+  width: 24px; }
 
-.col-3-wide {
-  width: 302px;
-}
+.dac-sprite.dac-star-outline, .dac-star-outline.dac-modal-header-close:before, .paging-links .dac-star-outline.prev-page-link:before, .paging-links .dac-star-outline.next-page-link:before, .paging-links .dac-star-outline.next-class-link:before, .paging-links .dac-star-outline.start-class-link:after {
+  background-position: 0px -643px;
+  height: 24px;
+  width: 24px; }
 
-/**
- * ANIMATION
- */
+.dac-sprite.dac-twitter, .dac-twitter.dac-modal-header-close:before, .paging-links .dac-twitter.prev-page-link:before, .paging-links .dac-twitter.next-page-link:before, .paging-links .dac-twitter.next-class-link:before, .paging-links .dac-twitter.start-class-link:after {
+  background-position: 0px -73px;
+  height: 14px;
+  width: 16px; }
 
-@-webkit-keyframes pulse-opacity {
-  0% {
-    opacity: .5;
-  }
-  20% {
-    opacity: .5;
-  }
-  40% {
-    opacity: 1;
-  }
-  60% {
-    opacity: .5;
-  }
-  80% {
-    opacity: 1;
-  }
-  100% {
-    opacity: .5;
-  }
-}
+.dac-sprite.dac-unfold-less-white, .dac-unfold-less-white.dac-modal-header-close:before, .paging-links .dac-unfold-less-white.prev-page-link:before, .paging-links .dac-unfold-less-white.next-page-link:before, .paging-links .dac-unfold-less-white.next-class-link:before, .paging-links .dac-unfold-less-white.start-class-link:after {
+  background-position: 0px -565px;
+  height: 24px;
+  width: 24px; }
 
+.dac-sprite.dac-unfold-less, .dac-unfold-less.dac-modal-header-close:before, .paging-links .dac-unfold-less.prev-page-link:before, .paging-links .dac-unfold-less.next-page-link:before, .paging-links .dac-unfold-less.next-class-link:before, .paging-links .dac-unfold-less.start-class-link:after {
+  background-position: 0px -487px;
+  height: 24px;
+  width: 24px; }
 
+.dac-sprite.dac-unfold-more-white, .dac-unfold-more-white.dac-modal-header-close:before, .paging-links .dac-unfold-more-white.prev-page-link:before, .paging-links .dac-unfold-more-white.next-page-link:before, .paging-links .dac-unfold-more-white.next-class-link:before, .paging-links .dac-unfold-more-white.start-class-link:after {
+  background-position: 0px -305px;
+  height: 24px;
+  width: 24px; }
 
-/**
- * VIDEO
- */
+.dac-sprite.dac-unfold-more, .dac-unfold-more.dac-modal-header-close:before, .paging-links .dac-unfold-more.prev-page-link:before, .paging-links .dac-unfold-more.next-page-link:before, .paging-links .dac-unfold-more.next-class-link:before, .paging-links .dac-unfold-more.start-class-link:after {
+  background-position: 0px -539px;
+  height: 24px;
+  width: 24px; }
 
-#video-container {
-  display:none;
-  position:fixed;
-  top:0;
-  left:0;
-  width:100%;
-  height:100%;
-  background-color:rgba(0,0,0,0.8);
-  z-index:9999;
+.dac-sprite.dac-youtube, .dac-youtube.dac-modal-header-close:before, .paging-links .dac-youtube.prev-page-link:before, .paging-links .dac-youtube.next-page-link:before, .paging-links .dac-youtube.next-class-link:before, .paging-links .dac-youtube.start-class-link:after {
+  background-position: 0px -57px;
+  height: 14px;
+  width: 18px; }
+
+/* Toast Component */
+.dac-toast {
+  background: #ffebc3;
+  border-top: 1px solid #e5d4a1;
+  display: none;
+  color: rgba(0, 0, 0, .87);
+  line-height: 1.4;
+  padding: 10px;
 }
 
-#video-frame {
-  width:940px;
-  height:100%;
-  margin:72px auto;
-  display:none;
-  position:relative;
+.dac-toast.dac-visible {
+  display: block;
+}
+
+.dac-toast-wrap {
+  box-sizing: border-box;
+  margin: 0 auto;
+  max-width: 940px;
+  padding-right: 20px;
+  position: relative;
 }
 
-.video-close {
+.dac-toast-close-btn {
+  background-color: transparent;
+  border: none;
+  border-radius: 0;
   cursor: pointer;
+  opacity: .4;
+  padding: 0;
   position: absolute;
-  right: -49px;
-  top: -49px;
-  pointer-events: all;
+  right: 0;
+  top: -2px;
 }
 
-#icon-video-close {
-  background-image: url("../images/close-white.png");
-  background-image: -webkit-image-set(url(../images/close-white.png) 1x, url(../images/close-white_2x.png) 2x);
-  background-repeat: no-repeat;
-  background-position: 0 0;
-  background-size: 36px 36px;
-  height: 36px;
-  width: 36px;
-  display:block;
+.dac-toast-close-btn:hover,
+.dac-toast-close-btn:focus,
+.dac-toast-close-btn:active {
+  opacity: 1;
+  outline: none;
 }
 
-#icon-video-close:hover {
-  background-image: url("../images/close-grey.png");
-  background-image: -webkit-image-set(url(../images/close-grey.png) 1x, url(../images/close-grey_2x.png) 2x);
+.dac-toast-close-btn .dac-button.dac-raised.dac-primary{
+  margin: 0;
+  padding: 0;
 }
 
-/* Preload the hover images */
-a.video-shadowbox-button.white:after {
-  display:none;
-  content:url("../images/close-grey.png") url("../images/close-grey_2x.png");
+.dac-toast-group {
+  bottom: 0;
+  left: 0;
+  position: fixed;
+  right: 0;
+  z-index: 60;
 }
 
-a.video-shadowbox-button.white {
-  background-image: url("../images/play-circle-white.png");
-  background-image: -webkit-image-set(url(../images/play-circle-white.png) 1x, url(../images/play-circle-white_2x.png) 2x);
-  background-size: 36px 36px;
-  background-repeat: no-repeat;
-  background-position: right;
-  padding: 16px 42px 16px 8px;
-  font-size: 18px;
-  font-weight: 500;
-  line-height: 24px;
-  color: #fff;
-  text-decoration:none;
+.dac-toast.dac-danger {
+  background-color: #ffccbc;
+  border-top-color: #e5b7a9;
 }
 
-a.video-shadowbox-button.white:hover {
-  color:#bababa !important;
-  background-image: url("../images/play-circle-grey.png");
-  background-image: -webkit-image-set(url(../images/play-circle-grey.png) 1x, url(../images/play-circle-grey_2x.png) 2x);
+.dac-toast.dac-success {
+  background-color: #cdedc8;
+  border-top-color: #c6d5b4;
 }
 
-/* Preload the hover images */
-a.video-shadowbox-button.white:after {
-  display:none;
-  content:url("../images/play-circle-grey.png") url("../images/play-circle-grey_2x.png");
+@media (max-width: 719px) {
+  .dac-toast-close-btn {
+    position: relative;
+    top: 0;
+    margin: 10px 0 0;
+    display: block;
+  }
 }
 
-/******************
-Styles for d.a.c/index:
-*******************/
-
-
-
-/* Generic full screen carousel styling to be used across pages. */
-.fullscreen-carousel {
-  margin: 0 -10px;
-  width: 100%;
-  overflow: hidden;
+.dac-tab-item {
+  box-sizing: border-box;
+  cursor: pointer;
+  display: table-cell;
+  margin: 0;
+  padding: 8px 12px;
   position: relative;
-}
+  text-align: left; }
+  @media (max-width: 719px) {
+    .dac-tab-item {
+      padding-right: 12px;
+      text-align: center;
+      width: 33.33333333%; } }
+
+.dac-tab-title {
+  color: #333;
+  display: inline-block;
+  font-size: 16px;
+  font-weight: 500;
+  margin: 0; }
 
-.fullscreen-carousel-content {
-  width: 100%;
-  height: 100%;
-  position: relative;
-  display: table; /* For vertical centering */
-}
+.dac-tab-arrow {
+  margin-top: -2px; }
+  @media (max-width: 719px) {
+    .dac-tab-arrow {
+      position: absolute;
+      visibility: hidden; } }
 
-.fullscreen-carousel .vcenter {
-  display: table-cell;
+.dac-tab-bar {
+  display: inline-block;
+  list-style-type: none;
+  margin: 0 0 0 12px;
   vertical-align: middle;
-  position: relative;
-}
+  overflow: hidden; }
+  @media (max-width: 719px) {
+    .dac-tab-bar {
+      display: table;
+      margin-left: 0;
+      width: 100%; } }
 
-.fullscreen-carousel .vcenter > div {
-  margin: 10px auto;
-}
+.dac-tab-views {
+  list-style-type: none;
+  margin: 0; }
 
-/* Styles for the full-bleed hero image type. */
-.fullscreen-carousel .hero, .fullscreen-carousel .hero h1 {
-  color: #fff;
-}
+.dac-tab-view {
+  background: #fff;
+  display: none;
+  overflow: hidden;
+  margin: 0 0 10px;
+  padding: 20px 10px 0;
+  text-align: left; }
 
-.fullscreen-carousel .hero h1 {
-  font-weight: 300;
-  font-size: 60px;
-  line-height: 68px;
-  letter-spacing: -1px;
-  margin-top: 0;
-}
+.dac-tab-item.dac-active {
+  background: #fff; }
 
-.fullscreen-carousel .hero p {
-  font-weight: 300;
-  font-size: 18px;
-  line-height: 24px;
-  -webkit-font-smoothing: antialiased;
-}
+.dac-tab-item.dac-active .dac-tab-arrow {
+  -webkit-transform: scaleY(-1);
+      -ms-transform: scaleY(-1);
+          transform: scaleY(-1); }
 
-.fullscreen-carousel .hero .hero-bg {
-  background-size: cover;
-  width: 100%;
-  height: 100%;
-  position: absolute;
-  left: 0px;
-  top: 0px;
-}
+.dac-tab-view.dac-active {
+  display: block; }
 
+.dac-toggle-expand {
+  cursor: pointer;
+  display: inline-block; }
 
-/* Full screen carousel styling for the resource flow layout type of content */
-.fullscreen-carousel .resource-flow-layout:after {
-  height: 0; /* Dont know why this is set at 10 in default.css */
-}
+.dac-toggle-collapse {
+  cursor: pointer;
+  display: none; }
 
-.fullscreen-carousel .resource-flow-layout {
-  margin-bottom: 20px;
-}
+.dac-toggle.is-expanded .dac-toggle-expand {
+  display: none; }
 
+.dac-toggle.is-expanded .dac-toggle-collapse {
+  display: inline-block; }
 
+.dac-toggle-content {
+  clear: left;
+  overflow: hidden;
+  max-height: 0;
+  -webkit-transition: .3s max-height;
+          transition: .3s max-height; }
 
-/* Generic Tab carousel styling to be used across multiple pages. */
+.dac-toggle.is-expanded .dac-toggle-content {
+  max-height: none; }
 
-.tab-carousel .tab-nav {
-  list-style: none;
-  position: relative;
-  text-align: center;
-}
+.dac-toggle.dac-mobile .dac-toggle-content {
+  max-height: none; }
 
-.tab-carousel .tab-nav li {
-  display: inline-block;
-  font-size: 22px;
-  font-weight: 400;
-  line-height: 50px;
-  list-style: none;
-  margin: 0;
-  padding: 0 25px;
-  position: relative;
-}
+@media (max-width: 719px) {
+  .dac-toggle.dac-mobile .dac-toggle-content {
+    max-height: 0; }
+  .dac-toggle.is-expanded .dac-toggle-content {
+    max-height: none; } }
 
-.tab-carousel .tab-nav li a,
-.tab-carousel .tab-nav li a:hover {
-  color: #333 !important;
-  padding: 10px 10px 13px 10px;
-  position: relative;
-  z-index: 1000;
-}
+/**
+ * Fades out an element.
+ * Applies visibility hidden when the transition is finished.
+ *
+ * Use opacity: 1; to show the element.
+ */
+.dac-visible-mobile-block, .dac-mobile-only,
+.dac-visible-mobile-inline,
+.dac-visible-mobile-inline-block,
+.dac-visible-tablet-block,
+.dac-visible-tablet-inline,
+.dac-visible-tablet-inline-block,
+.dac-visible-desktop-block,
+.dac-visible-desktop-inline,
+.dac-visible-desktop-inline-block {
+  display: none !important; }
+
+@media (max-width: 719px) {
+  .dac-hidden-mobile {
+    display: none !important; }
+  .dac-visible-mobile-block, .dac-mobile-only {
+    display: block !important; }
+  .dac-visible-mobile-inline {
+    display: inline !important; }
+  .dac-visible-mobile-inline-block {
+    display: inline-block !important; } }
+
+@media (min-width: 720px) and (max-width: 979px) {
+  .dac-hidden-tablet {
+    display: none !important; }
+  .dac-visible-tablet-block {
+    display: block !important; }
+  .dac-visible-tablet-inline {
+    display: inline !important; }
+  .dac-visible-tablet-inline-block {
+    display: inline-block !important; } }
+
+@media (min-width: 980px) {
+  .dac-hidden-desktop {
+    display: none !important; }
+  .dac-visible-desktop-block {
+    display: block !important; }
+  .dac-visible-desktop-inline {
+    display: inline !important; }
+  .dac-visible-desktop-inline-block {
+    display: inline-block !important; } }
+
+.dac-offset-parent {
+  position: relative !important; }
 
-.tab-carousel .tab-nav li:after {
-  background: #ddd;
-  bottom: 0;
-  content: '';
-  height: 4px;
-  left: 0;
-  position: absolute;
-  width: 100%;
-  z-index: 0;
-}
+/**
+ * Hide from browsers/screenreaders on all sizes.
+ */
+.dac-hidden {
+  display: none !important; }
 
-.tab-carousel .tab-nav .highlight {
-  position: absolute;
-  height: 4px;
-  width: 100px;
-  bottom: 0;
-  background: #33b5e5;
-}
+/**
+ * Break strings when their length exceeds the width of their container.
+ */
+.dac-text-break {
+  word-wrap: break-word !important; }
 
-.tab-carousel .tab-carousel-content {
-  position: relative;
-  overflow: hidden;
-  white-space: nowrap;
-}
+/**
+ * Horizontal text alignment
+ */
+.dac-text-center {
+  text-align: center !important; }
 
-.tab-carousel .tab-carousel-content [data-tab] {
-  display: inline-block;
-  white-space: normal;
-}
+.dac-text-left {
+  text-align: left !important; }
 
+.dac-text-right {
+  text-align: right !important; }
 
+/**
+ * Prevent whitespace wrapping
+ */
+.dac-text-no-wrap {
+  white-space: nowrap !important; }
 
-/*
-  Resource styling for the tab carousel. The tab carousel contains either
-  a 3 column layout of resources or a single full-width resource. The
-  latter has the 18x12 class applied to it and can be styled differently
-  that way.
-*/
+/**
+ * Prevent text from wrapping onto multiple lines, instead truncate with an ellipsis.
+ */
+.dac-text-truncate {
+  max-width: 100%;
+  overflow: hidden !important;
+  text-overflow: ellipsis !important;
+  white-space: nowrap !important;
+  word-wrap: normal !important; }
 
-.tab-carousel .resource .image {
-  width: 100%;
-  height: 250px;
-  background-repeat: no-repeat;
-  background-size: contain;
-  background-position: 50% 50%;
-}
+/**
+ * Floats
+ */
+.dac-float-left {
+  float: left !important; }
 
-.tab-carousel .resource .info .title {
-  font-size: 18px;
-  line-height: 24px;
+.dac-float-right {
+  float: right !important; }
+
+/**
+ * New block formatting context
+ *
+ * This affords some useful properties to the element. It won't wrap under
+ * floats. Will also contain any floated children.
+ * N.B. This will clip overflow. Use the alternative method below if this is
+ * problematic.
+ */
+.dac-nbfc {
+  overflow: hidden !important;
 }
 
-.tab-carousel .resource .info .summary,
-.tab-carousel .resource .info .cta {
-  line-height: 24px;
-  font-size: 16px;
+/**
+ * New block formatting context (alternative)
+ *
+ * Alternative method when overflow must not be clipped.
+ *
+ * N.B. This breaks down in some browsers when elements within this element
+ * exceed its width.
+ */
+.dac-nbfc-alt {
+  display: table-cell !important;
+  width: 10000px !important;
 }
 
-.tab-carousel .resource-card-18x12 {
-  position: relative;
-  padding-left: 450px;
-  box-sizing: border-box;
-  display: table-cell;
-  vertical-align: middle;
+.Video {
+  display: none;
 }
 
-.tab-carousel .resource-card-18x12 .image {
-  position: absolute;
-  width: 420px;
+.Video-overlay {
+  background-color: rgba(0, 0, 0, 0.8);
+  width: 100%;
   height: 100%;
-  left: 0;
+  position: fixed;
   top: 0;
+  left: 0;
+  z-index: 9999;
 }
 
-.tab-carousel .resource-card-18x12 .info {
-  display: inline-block;
+.Video-container {
+  width: 90vw;
+  height: 50.625vw;
+  max-height: calc(90vh - 29.25px);
+  max-width: calc(160vh - 52px);
+  margin: auto;
+  position: fixed;
+  top: -52px;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 9999;
 }
 
-.tab-carousel .resource-card-18x12 .info .title {
-  margin-bottom: 26px;
+@media (min-width: 1422.22222222px) and (min-height: 800px) {
+  .Video-container {
+    width: 1280px;
+    height: 720px;
+  }
 }
 
-
-
-
-
-/*
-   Styles for the entity link used in the actions bar and in the cta of
-   the resources that appear in the tab carousel.
-*/
-.actions-bar a:after,
-.resource .cta:after {
-  content: '›';
-  font-weight: 400;
-  font-size: 22px;
-  left: 5px;
-  line-height: 1;
+.Video-controls {
+  background: #28655F;
+  height: 52px;
+  margin: 0 auto;
   position: relative;
-  top: 1px;
-  transition: left 190ms ease-out;
+  box-shadow: 2px 3px 12px 0px rgba(0, 0, 0, 0.4);
 }
 
-.actions-bar a:hover:after,
-.resource .cta:hover:after {
-  left: 10px;
-}
-
-
-
-
-/*
-  Styles for the actions bar.
-*/
-.actions-bar {
-  background: #9acd00;
-  margin: 0 -10px;
-  text-align: center;
+.Video-frame {
+  position: relative;
+  height: 100%;
+  background: black;
+  box-shadow: 2px 3px 12px 0px rgba(0, 0, 0, 0.4);
 }
 
-.actions-bar .actions {
-  padding: 30px 0 30px;
-  text-align: justify;
-  font-size: 0.1px;
-  line-height: 0.1px;
-  margin: 0 10px 0 0;
+.Video-loading {
+  color: rgba(255, 255, 255, 0.35);
+  font-size: 16px;
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  -webkit-transform: translate(-50%, -50%);
+  -ms-transform: translate(-50%, -50%);
+  transform: translate(-50%, -50%);
 }
 
-.actions-bar .actions:after {
-  content: '';
+#youTubePlayer {
+  max-height: 720px;
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
   width: 100%;
-  display: inline-block;
+  height: 100%;
 }
 
-.actions-bar .actions > div {
+.Video-button {
+  background-color: transparent;
+  border: none;
   display: inline-block;
+  height: 100%;
+  width: 52px;
+  outline: none;
+  cursor: pointer;
+  -webkit-transition: opacity 200ms;
+  transition: opacity 200ms;
 }
 
-.actions-bar a {
-  font-size: 21px;
-  line-height: 27px;
-  color: #fff;
-  font-weight: 300;
-  -webkit-font-smoothing: antialiased;
+.Video-button:hover {
+  opacity: 0.8;
 }
 
-.actions-bar a:after {
-  top: 0px;
-  font-size: 22px;
+.Video-button--picture-in-picture {
+  background-position: 0px -461px;
+  height: 24px;
+  width: 24px;
+  display: none;
+  position: absolute;
+  right: 64px;
+  top: 14px;
 }
 
-.actions-bar a:hover {
-  color: #fff !important;
+.Video-button--close {
+  background-position: 0px -435px;
+  height: 24px;
+  width: 24px;
+  position: absolute;
+  right: 14px;
+  top: 14px;
 }
 
+@media (min-width: 720px) {
+  .Video--picture-in-picture .Video-overlay {
+    display: none;
+  }
 
+  .Video--picture-in-picture .Video-container {
+    top: auto;
+    left: auto;
+    bottom: 20px;
+    right: 20px;
+    width: 40%;
+    max-width: 420px;
+    height: auto;
+  }
 
+  .Video--picture-in-picture .Video-button--picture-in-picture {
+    background-position: 0px -409px;
+    height: 24px;
+    width: 24px;
+  }
 
+  .Video--picture-in-picture .Video-frame {
+    padding-bottom: 56.25%;
+  }
 
-/*
-  Specific styles for new home page layout of the carousels.
-*/
+  .Video-button--picture-in-picture {
+    display: inline-block;
+  }
+}
 
-/* Big blue button */
-a.home-new-cta-btn,
-.home-new-carousel-1 .resource-card-18x6 .cta {
-  white-space: nowrap;
-  display: inline-block;
-  padding: 14px 32px;
+a.video-shadowbox-button.white {
+  padding: 16px 42px 16px 8px;
   font-size: 18px;
   font-weight: 500;
   line-height: 24px;
-  cursor: pointer;
-  background: #33b5e6;
-  border-radius: 4px;
-  margin-top: 20px;
   color: #fff;
-  transition: 0.2s background-color ease-in-out;
-}
-
-.home-new-carousel-1 .resource-card-18x6 .cta:after {
-  display: none; /* Hide the entity for this button */
+  text-decoration: none;
 }
 
-a.home-new-cta-btn:hover,
-.home-new-carousel-1 .resource-card-18x6 .cta:hover {
-  color: #fff !important;
-  background: #2d9fca;
+a.video-shadowbox-button.white::after {
+  content: '';
+  background-position: 0px -847px;
+  height: 36px;
+  width: 36px;
 }
 
-.home-new-carousel-1 .resource-card-18x6 .cta {
-  position: absolute;
-  bottom: 20px;
-  left: 16px;
+a.video-shadowbox-button.white:hover {
+  color: #bababa !important;
 }
 
-/* Fullscreen carousel. */
-.home-new-carousel-1 {
-  max-height: 700px; /* Set max height so doesn't get too long */
+a.video-shadowbox-button.white:hover::after {
+  background-position: 0px -733px;
+  height: 36px;
+  width: 36px;
 }
 
-.home-new-carousel-1 .fullscreen-carousel-content {
-  min-height: 450px;  /* Set min height for all content */
+#video-frame, #video-container {
+  display: none;
 }
 
-.home-new-carousel-1 .hero {
-  background: #000;
-}
+@media (max-width: 720px) {
+  .wide-table {
+    overflow-x: auto;
+  }
 
-.home-new-carousel-1 .hero-bg {
-  background-image: url(/home-new/images/hero.jpg);
-  background-position: right center;
-  opacity: 0.85;
+  .wide-table table {
+    display: inline-table;
+    margin-right: 0;
+  }
 }
 
-/*
-  Styling for special top card of full screen layout resource layout.
-  We need to specifically style the 18x6 card to adjust its size and layout,
-  since it's not a standard card, not sure if this is unique to the home page
-  layout or should be namespaced within the fullscreen-carousel container.
-*/
-.home-new-carousel-1 .resource-flow-layout.col-16 .resource-card-18x6 {
-  height: 320px;
-  background-color:#F9F9F9;
-  border-radius: 0px;
-  box-shadow: 0px 0px 0px rgba(0, 0, 0, 0);
+/* New CSS that isn't part of a component */
+.paging-links {
+  box-shadow: 0px 2px 6px 0px rgba(0, 0, 0, 0.2);
+  margin: 30px 0;
+  padding: 0 40px;
+  /* Start class link doesn't have a caption */ }
 
+.paging-links .start-class-link, .paging-links .next-class-link, .paging-links .prev-page-link, .paging-links .next-page-link {
+  font-size: 20px;
+  font-weight: 500;
+  display: inline-block;
+  width: calc(50% - 2px);
+  position: relative;
+  padding: 46px 0 36px 0;
 }
 
-.home-new-carousel-1 .resource-card-18x6 .card-bg {
-  width: 636px;
-  height: 100%;
+@media (max-width: 719px) {
+  .paging-links .start-class-link, .paging-links .next-class-link, .paging-links .prev-page-link, .paging-links .next-page-link {
+    width: 100%;
+  }
 }
 
-.home-new-carousel-1 .resource-card-18x6 .card-info {
-  right: 0px;
-  left: 636px;
-  height: 100%;
-  top: 0px;
-  padding: 15px 22px;
+.paging-links .start-class-link {
+  padding: 36px 0;
 }
 
-.home-new-carousel-1 .resource-card-18x6 .card-info .util {
-  display: none;
+.paging-links .start-class-link, .paging-links .next-class-link {
+  text-align: center;
+  width: 100%;
 }
 
-.home-new-carousel-1 .resource-card-18x6 .card-info .title {
-  font-size: 20px;
-  font-weight: 500;
-  margin-top: 15px;
-  margin-bottom: 15px;
+.paging-links .prev-page-link .page-link-caption {
+  left: 0;
 }
 
-.home-new-carousel-1 .resource-card-18x6 .card-info .text {
-  font-size: 15px;
-  line-height: 21px;
+.paging-links .prev-page-link:before {
+  content: '';
+  left: -24px;
+  position: absolute;
+  bottom: 41px;
 }
 
-
-/* Tabbed carousel. */
-.home-new-carousel-2 {
-  margin: 35px auto 100px auto;
+@media (max-width: 719px) {
+  .paging-links .prev-page-link {
+    display: none;
+  }
 }
 
-.home-new-carousel-2 h1 {
-  font-size: 47px;
-  font-weight: 100;
-  line-height: 54px;
-  text-align: center;
+.paging-links .next-page-link, .paging-links .next-class-link {
+  text-align: right;
 }
 
-.annotation-message {
-    display: block;
-    font-style: italic;
-    color: #F80;
+.paging-links .next-page-link .page-link-caption, .paging-links .next-class-link .page-link-caption {
+  right: 0;
 }
 
-
-
-/* Helpouts widget */
-.resource-card-6x2.helpouts-card {
-  width: 255px;
-  height: 40px;
-  position:absolute;
-  z-index:999;
-  top:-8px;
-  right:1px;
+.paging-links .next-page-link:before, .paging-links .next-class-link:before {
+  content: '';
+  right: -24px;
+  position: absolute;
+  bottom: 41px;
 }
 
-.resource-card-6x2.helpouts-card > .card-info {
-  left:35px;
-  height:35px;
-  padding:4px 8px 4px 0;
+.paging-links .start-class-link:after {
+  content: '';
+  right: -12px;
+  position: relative;
+  bottom: 3px;
 }
 
-.resource-card-6x2.helpouts-card > .card-info .helpouts-description {
-  display:block;
-  overflow:visible;
-  font-size:12px;
-  line-height:12px;
-  text-align:right;
-  color:#666;
+.paging-links .page-link-caption {
+  position: absolute;
+  top: 26px;
+  font-size: 14px;
+  font-weight: 700;
+  opacity: 0.54;
 }
 
-.helpouts-description .link-color {
-  text-transform: uppercase;
+#tb li:before,
+#qv li:before {
+  background-position: 0px -669px;
+  height: 24px;
+  width: 24px;
+  content: '';
+  left: -8px;
+  opacity: .7;
+  position: absolute;
+  top: -4px;
 }
 
-.resource-card-6x2 > .card-bg.helpouts-card-bg {
-  width:35px;
-  height:35px;
-  margin:2px 0 0 0;
-  background-image: url(../images/styles/helpouts-logo-35_2x.png);
-  background-image: -webkit-image-set(url(../images/styles/helpouts-logo-35.png) 1x, url(../images/styles/helpouts-logo-35_2x.png) 2x);
+#skip-to-main {
+  border: 0;
+  clip: rect(0 0 0 0);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute;
+  width: 1px;
 }
 
-.resource-card-6x2 > .card-bg.helpouts-card-bg:after {
-  display:none;
+#skip-to-main:focus {
+  background: #fff;
+  clip: auto;
+  height: auto;
+  padding: 10px;
+  width: auto;
+  z-index: 10000;
 }
diff --git a/tools/droiddoc/templates-sdk/assets/css/fullscreen.css b/tools/droiddoc/templates-sdk/assets/css/fullscreen.css
index 7912e3490..0f108e046 100644
--- a/tools/droiddoc/templates-sdk/assets/css/fullscreen.css
+++ b/tools/droiddoc/templates-sdk/assets/css/fullscreen.css
@@ -14,195 +14,7 @@
 */
 
 @media screen, projection, print {
-.full {
-	padding: 2.5em 0;
-	border-top: solid 1px #ddd;
-	border-bottom: solid 1px #ddd;
-	background: #f7f7f7;	
+  .wrap {
+    max-width: none;
+  }
 }
-.wrap {
-	margin: 0 auto;
-	width: 100%;
-	min-width:600px;
-	clear: both;
-}
-.cols {
-    height: 1%;
-    margin: 0 -1.533742331288343558282%;
-    width: 103.06748466257669%}
-*+html .cols {
-    margin-bottom: 20px;
-}
-.cols:after {
-    clear: both;
-    content: ' ';
-    display: block;
-    height: 0;
-    visibility: hidden;
-}
-.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
-.col-13, .col-14, .col-15, .col-16 {
-    float: left;
-    margin: 0 1.063829787234% 20px 1.063829787234%;
-}
-* html .col-1, * html .col-2, * html .col-3, * html .col-4, * html .col-5, * html .col-6, * html
-.col-7, * html .col-8, * html .col-9, * html .col-10, * html .col-11, * html .col-12, * html
-.col-13, * html .col-14, * html .col-15, * html .col-16  {
-    margin: 0;
-    margin: 0 1.063829787234% 20px 1.063829787234%;
-}
-[dir='rtl'] .col-1, [dir='rtl'] .col-2, [dir='rtl'] .col-3, [dir='rtl'] .col-4, [dir='rtl'] .col-5,
-[dir='rtl'] .col-6, [dir='rtl'] .col-7, [dir='rtl'] .col-8, [dir='rtl'] .col-9, [dir='rtl'] .col-10,
-[dir='rtl'] .col-11, [dir='rtl'] .col-12 {
-    float: right;
-}
-.col-1 {
-    width: 4.16666666666667%;
-}
-.col-2 {
-    width: 10.4166666666667%;
-}
-.col-3 {
-    width: 16.6666666666667%;
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-.col-4 {
-    width: 22.9166666666667%;
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-.col-5 {
-    width: 29.1666666666667%;
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-.col-6 {
-    width: 35.4166666666667%;
-}
-.col-7 {
-    width: 41.6666666666667%;
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-.col-8 {
-    width: 47.9166666666667%;
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-.col-9 {
-    width: 55.3333333333333%;
-}
-.col-10 {
-    width: 60.4166666666667%;
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-.col-11 {
-    width: 66.6666666666667%;
-}
-.col-12 {
-    width: 72.9166666666667%;
-}
-.col-13 {
-    width: 79.1666666666667%;
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-.col-14 {
-    width: 85.4166666666667%;
-}
-.col-15 {
-    width: 91.6666666666667%;
-}
-.col-16 {
-    width: 97.9166666666667%;
-}
-
-
-
-
-
-
-
-#header .col-1,
-#nav-x .col-1 { width: 40px }
-#header .col-2,
-#nav-x .col-2 { width: 100px }
-#header .col-3,
-#nav-x .col-3 { width: 160px }
-#header .col-4,
-#nav-x .col-4 { width: 220px }
-#header .col-5,
-#nav-x .col-5 { width: 280px }
-#header .col-6,
-#nav-x .col-6 { width: 340px }
-#header .col-7,
-#nav-x .col-7 { width: 400px }
-#header .col-8,
-#nav-x .col-8 { width: 460px }
-#header .col-9,
-#nav-x .col-9 { width: 520px }
-#header .col-10,
-#nav-x .col-10 { width: 580px }
-#header .col-11,
-#nav-x .col-11 { width: 640px }
-#header .col-12,
-#nav-x .col-12 { width: 700px }
-#header .col-13,
-#nav-x .col-13 { width: 760px }
-#header .col-14,
-#nav-x .col-14 { width: 820px }
-#header .col-15,
-#nav-x .col-15 { width: 880px }
-#header .col-16,
-#nav-x .col-16 { width: 940px }
-
-
-
-body {
-  padding:0 20px;
-}
-#header,
-#searchResults,
-#nav-x {
-  margin:0;
-}
-#body-content {
-  margin:0;
-}
-#body-content > .col-12 {
-  width:77.9804965%;
-  margin:0 0 0 0.97%; /* this percentage chosen to make IE9 happy */
-}
-#side-nav {
-  width: 19.9804965%;
-  margin:0 1.063829787234% 0 0;
-}
-
-#header .wrap {
-  max-width: 100%;
-}
-
-#header-wrapper #nav-x div.wrap,
-#searchResults.wrap {
-    max-width:100%;
-}
-
-.nav-x {
-  margin:-2px 0 0 0;
-}
-
-#devdoc-nav.fixed,
-#devdoc-nav.fixed a.totop {
-  left:20px; /* !important ... for IE i think */
-}
-
-#sticky-header {
-  padding: 0 20px;
-}
-
-#sticky-header > div {
-  width: 100%;
-}
-
-.sticky-menu {
-  width:100%;
-  left:-20px;
-}
-
-.col-right {
-  margin-right:0px;
-}
-
-@media screen and (max-width:772px) {
-.col-5, .col-6, .col-7 {
-    clear: both;
-    width: 97.0238096%}
-}
\ No newline at end of file
diff --git a/tools/droiddoc/templates-ds/assets/images/quicknav_arrow.png b/tools/droiddoc/templates-sdk/assets/images/android_logo.png
similarity index 86%
rename from tools/droiddoc/templates-ds/assets/images/quicknav_arrow.png
rename to tools/droiddoc/templates-sdk/assets/images/android_logo.png
index 697ac82cd..53f59c69e 100644
Binary files a/tools/droiddoc/templates-ds/assets/images/quicknav_arrow.png and b/tools/droiddoc/templates-sdk/assets/images/android_logo.png differ
diff --git a/tools/droiddoc/templates-sdk-dyn/assets/images/quicknav_arrow.png b/tools/droiddoc/templates-sdk/assets/images/android_logo@2x.png
similarity index 81%
rename from tools/droiddoc/templates-sdk-dyn/assets/images/quicknav_arrow.png
rename to tools/droiddoc/templates-sdk/assets/images/android_logo@2x.png
index 697ac82cd..85b92110a 100644
Binary files a/tools/droiddoc/templates-sdk-dyn/assets/images/quicknav_arrow.png and b/tools/droiddoc/templates-sdk/assets/images/android_logo@2x.png differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/android_logo_ndk.png b/tools/droiddoc/templates-sdk/assets/images/android_logo_ndk.png
new file mode 100644
index 000000000..3f39f4d8d
Binary files /dev/null and b/tools/droiddoc/templates-sdk/assets/images/android_logo_ndk.png differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/android_logo_ndk@2x.png b/tools/droiddoc/templates-sdk/assets/images/android_logo_ndk@2x.png
new file mode 100644
index 000000000..8081ac54e
Binary files /dev/null and b/tools/droiddoc/templates-sdk/assets/images/android_logo_ndk@2x.png differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/home/android_m_hero_1200.jpg b/tools/droiddoc/templates-sdk/assets/images/home/android_m_hero_1200.jpg
new file mode 100644
index 000000000..6b79295cf
Binary files /dev/null and b/tools/droiddoc/templates-sdk/assets/images/home/android_m_hero_1200.jpg differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/play-circle-grey.png b/tools/droiddoc/templates-sdk/assets/images/play-circle-grey.png
deleted file mode 100644
index 5e7e7ba69..000000000
Binary files a/tools/droiddoc/templates-sdk/assets/images/play-circle-grey.png and /dev/null differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/play-circle-grey_2x.png b/tools/droiddoc/templates-sdk/assets/images/play-circle-grey_2x.png
deleted file mode 100644
index 3e01635e8..000000000
Binary files a/tools/droiddoc/templates-sdk/assets/images/play-circle-grey_2x.png and /dev/null differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/play-circle-white.png b/tools/droiddoc/templates-sdk/assets/images/play-circle-white.png
deleted file mode 100644
index 017d84644..000000000
Binary files a/tools/droiddoc/templates-sdk/assets/images/play-circle-white.png and /dev/null differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/play-circle-white_2x.png b/tools/droiddoc/templates-sdk/assets/images/play-circle-white_2x.png
deleted file mode 100644
index e48c1fd24..000000000
Binary files a/tools/droiddoc/templates-sdk/assets/images/play-circle-white_2x.png and /dev/null differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/resource-card-default-android.jpg b/tools/droiddoc/templates-sdk/assets/images/resource-card-default-android.jpg
index 80507444a..398030f13 100644
Binary files a/tools/droiddoc/templates-sdk/assets/images/resource-card-default-android.jpg and b/tools/droiddoc/templates-sdk/assets/images/resource-card-default-android.jpg differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/sprite-2x.png b/tools/droiddoc/templates-sdk/assets/images/sprite-2x.png
new file mode 100644
index 000000000..185b7e801
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diff --git a/tools/droiddoc/templates-sdk/assets/images/sprite.png b/tools/droiddoc/templates-sdk/assets/images/sprite.png
new file mode 100644
index 000000000..562b23cd9
Binary files /dev/null and b/tools/droiddoc/templates-sdk/assets/images/sprite.png differ
diff --git a/tools/droiddoc/templates-sdk/assets/images/sprite@2x.png b/tools/droiddoc/templates-sdk/assets/images/sprite@2x.png
new file mode 100644
index 000000000..2019e0282
Binary files /dev/null and b/tools/droiddoc/templates-sdk/assets/images/sprite@2x.png differ
diff --git a/tools/droiddoc/templates-sdk/assets/js/android_3p-bundle.js b/tools/droiddoc/templates-sdk/assets/js/android_3p-bundle.js
index a67b5b0d8..70d6c2f0a 100644
--- a/tools/droiddoc/templates-sdk/assets/js/android_3p-bundle.js
+++ b/tools/droiddoc/templates-sdk/assets/js/android_3p-bundle.js
@@ -2763,4 +2763,10 @@ jQuery.effects||function(a,b){function c(b){var c;return b&&b.constructor==Array
 * https://github.com/jquery/jquery-ui
 * Includes: jquery.effects.transfer.js
 * Copyright (c) 2012 AUTHORS.txt; Licensed MIT, GPL */
-(function(a,b){a.effects.transfer=function(b){return this.queue(function(){var c=a(this),d=a(b.options.to),e=d.offset(),f={top:e.top,left:e.left,height:d.innerHeight(),width:d.innerWidth()},g=c.offset(),h=a('<div class="ui-effects-transfer"></div>').appendTo(document.body).addClass(b.options.className).css({top:g.top,left:g.left,height:c.innerHeight(),width:c.innerWidth(),position:"absolute"}).animate(f,b.duration,b.options.easing,function(){h.remove(),b.callback&&b.callback.apply(c[0],arguments),c.dequeue()})})}})(jQuery);;
\ No newline at end of file
+(function(a,b){a.effects.transfer=function(b){return this.queue(function(){var c=a(this),d=a(b.options.to),e=d.offset(),f={top:e.top,left:e.left,height:d.innerHeight(),width:d.innerWidth()},g=c.offset(),h=a('<div class="ui-effects-transfer"></div>').appendTo(document.body).addClass(b.options.className).css({top:g.top,left:g.left,height:c.innerHeight(),width:c.innerWidth(),position:"absolute"}).animate(f,b.duration,b.options.easing,function(){h.remove(),b.callback&&b.callback.apply(c[0],arguments),c.dequeue()})})}})(jQuery);;
+/*! (c) 2012 Airbnb, Inc.
+*
+* polyglot.js 0.4.3 may be freely distributed under the terms of the BSD
+* license. For all licensing information, details, and documention:
+* http://airbnb.github.com/polyglot.js */
+(function(e,t){typeof define=="function"&&define.amd?define([],function(){return t(e)}):typeof exports=="object"?module.exports=t(e):e.Polyglot=t(e)})(this,function(e){"use strict";function t(e){e=e||{},this.phrases={},this.extend(e.phrases||{}),this.currentLocale=e.locale||"en",this.allowMissing=!!e.allowMissing,this.warn=e.warn||c}function s(e){var t,n,r,i={};for(t in e)if(e.hasOwnProperty(t)){n=e[t];for(r in n)i[n[r]]=t}return i}function o(e){var t=/^\s+|\s+$/g;return e.replace(t,"")}function u(e,t,r){var i,s,u;return r!=null&&e?(s=e.split(n),u=s[f(t,r)]||s[0],i=o(u)):i=e,i}function a(e){var t=s(i);return t[e]||t.en}function f(e,t){return r[a(e)](t)}function l(e,t){for(var n in t)n!=="_"&&t.hasOwnProperty(n)&&(e=e.replace(new RegExp("%\\{"+n+"\\}","g"),t[n]));return e}function c(t){e.console&&e.console.warn&&e.console.warn("WARNING: "+t)}function h(e){var t={};for(var n in e)t[n]=e[n];return t}t.VERSION="0.4.3",t.prototype.locale=function(e){return e&&(this.currentLocale=e),this.currentLocale},t.prototype.extend=function(e,t){var n;for(var r in e)e.hasOwnProperty(r)&&(n=e[r],t&&(r=t+"."+r),typeof n=="object"?this.extend(n,r):this.phrases[r]=n)},t.prototype.clear=function(){this.phrases={}},t.prototype.replace=function(e){this.clear(),this.extend(e)},t.prototype.t=function(e,t){var n,r;return t=t==null?{}:t,typeof t=="number"&&(t={smart_count:t}),typeof this.phrases[e]=="string"?n=this.phrases[e]:typeof t._=="string"?n=t._:this.allowMissing?n=e:(this.warn('Missing translation for key: "'+e+'"'),r=e),typeof n=="string"&&(t=h(t),r=u(n,this.currentLocale,t.smart_count),r=l(r,t)),r},t.prototype.has=function(e){return e in this.phrases};var n="||||",r={chinese:function(e){return 0},german:function(e){return e!==1?1:0},french:function(e){return e>1?1:0},russian:function(e){return e%10===1&&e%100!==11?0:e%10>=2&&e%10<=4&&(e%100<10||e%100>=20)?1:2},czech:function(e){return e===1?0:e>=2&&e<=4?1:2},polish:function(e){return e===1?0:e%10>=2&&e%10<=4&&(e%100<10||e%100>=20)?1:2},icelandic:function(e){return e%10!==1||e%100===11?1:0}},i={chinese:["fa","id","ja","ko","lo","ms","th","tr","zh"],german:["da","de","en","es","fi","el","he","hu","it","nl","no","pt","sv"],french:["fr","tl","pt-br"],russian:["hr","ru"],czech:["cs"],polish:["pl"],icelandic:["is"]};return t});
diff --git a/tools/droiddoc/templates-sdk/assets/js/docs.js b/tools/droiddoc/templates-sdk/assets/js/docs.js
index 7f4be4e16..9709f50bd 100644
--- a/tools/droiddoc/templates-sdk/assets/js/docs.js
+++ b/tools/droiddoc/templates-sdk/assets/js/docs.js
@@ -1,16 +1,17 @@
-var classesNav;
-var devdocNav;
-var sidenav;
 var cookie_namespace = 'android_developer';
-var NAV_PREF_TREE = "tree";
-var NAV_PREF_PANELS = "panels";
-var nav_pref;
 var isMobile = false; // true if mobile, so we can adjust some layout
 var mPagePath; // initialized in ready() function
 
 var basePath = getBaseUri(location.pathname);
-var SITE_ROOT = toRoot + basePath.substring(1,basePath.indexOf("/",1));
-var GOOGLE_DATA; // combined data for google service apis, used for search suggest
+var SITE_ROOT = toRoot + basePath.substring(1, basePath.indexOf("/", 1));
+
+// TODO(akassay) generate this var in the reference doc build.
+var API_LEVELS = ['1', '2', '3', '4', '5', '6', '7', '8', '9',
+      '10', '11', '12', '13', '14', '15', '16',
+      '17', '18', '19', '20', '21', '22', '23', '24'];
+var METADATA = METADATA || {};
+var RESERVED_METADATA_CATEGORY_NAMES = ['extras', 'carousel', 'collections',
+                                        'searchHeroCollections'];
 
 // Ensure that all ajax getScript() requests allow caching
 $.ajaxSetup({
@@ -21,133 +22,11 @@ $.ajaxSetup({
 
 $(document).ready(function() {
 
-  // show lang dialog if the URL includes /intl/
-  //if (location.pathname.substring(0,6) == "/intl/") {
-  //  var lang = location.pathname.split('/')[2];
-   // if (lang != getLangPref()) {
-   //   $("#langMessage a.yes").attr("onclick","changeLangPref('" + lang
-   //       + "', true); $('#langMessage').hide(); return false;");
-  //    $("#langMessage .lang." + lang).show();
-   //   $("#langMessage").show();
-   // }
-  //}
-
-  // load json file for JD doc search suggestions
-  $.getScript(toRoot + 'jd_lists_unified.js');
-  // load json file for Android API search suggestions
-  $.getScript(toRoot + 'reference/lists.js');
-  // load json files for Google services API suggestions
-  $.getScript(toRoot + 'reference/gcm_lists.js', function(data, textStatus, jqxhr) {
-      // once the GCM json (GCM_DATA) is loaded, load the GMS json (GMS_DATA) and merge the data
-      if(jqxhr.status === 200) {
-          $.getScript(toRoot + 'reference/gms_lists.js', function(data, textStatus, jqxhr) {
-              if(jqxhr.status === 200) {
-                  // combine GCM and GMS data
-                  GOOGLE_DATA = GMS_DATA;
-                  var start = GOOGLE_DATA.length;
-                  for (var i=0; i<GCM_DATA.length; i++) {
-                      GOOGLE_DATA.push({id:start+i, label:GCM_DATA[i].label,
-                              link:GCM_DATA[i].link, type:GCM_DATA[i].type});
-                  }
-              }
-          });
-      }
-  });
-
-  // setup keyboard listener for search shortcut
-  $('body').keyup(function(event) {
-    if (event.which == 191) {
-      $('#search_autocomplete').focus();
-    }
-  });
-
-  // init the fullscreen toggle click event
-  $('#nav-swap .fullscreen').click(function(){
-    if ($(this).hasClass('disabled')) {
-      toggleFullscreen(true);
-    } else {
-      toggleFullscreen(false);
-    }
-  });
-
-  // initialize the divs with custom scrollbars
-  $('.scroll-pane').jScrollPane( {verticalGutter:0} );
-
-  // add HRs below all H2s (except for a few other h2 variants)
-  $('h2').not('#qv h2')
-         .not('#tb h2')
-         .not('.sidebox h2')
-         .not('#devdoc-nav h2')
-         .not('h2.norule').css({marginBottom:0})
-         .after('<hr/>');
-
-  // set up the search close button
-  $('.search .close').click(function() {
-    $searchInput = $('#search_autocomplete');
-    $searchInput.attr('value', '');
-    $(this).addClass("hide");
-    $("#search-container").removeClass('active');
-    $("#search_autocomplete").blur();
-    search_focus_changed($searchInput.get(), false);
-    hideResults();
-  });
-
-  // Set up quicknav
-  var quicknav_open = false;
-  $("#btn-quicknav").click(function() {
-    if (quicknav_open) {
-      $(this).removeClass('active');
-      quicknav_open = false;
-      collapse();
-    } else {
-      $(this).addClass('active');
-      quicknav_open = true;
-      expand();
-    }
-  })
-
-  var expand = function() {
-   $('#header-wrap').addClass('quicknav');
-   $('#quicknav').stop().show().animate({opacity:'1'});
-  }
-
-  var collapse = function() {
-    $('#quicknav').stop().animate({opacity:'0'}, 100, function() {
-      $(this).hide();
-      $('#header-wrap').removeClass('quicknav');
-    });
-  }
-
-
-  //Set up search
-  $("#search_autocomplete").focus(function() {
-    $("#search-container").addClass('active');
-  })
-  $("#search-container").mouseover(function() {
-    $("#search-container").addClass('active');
-    $("#search_autocomplete").focus();
-  })
-  $("#search-container").mouseout(function() {
-    if ($("#search_autocomplete").is(":focus")) return;
-    if ($("#search_autocomplete").val() == '') {
-      setTimeout(function(){
-        $("#search-container").removeClass('active');
-        $("#search_autocomplete").blur();
-      },250);
-    }
-  })
-  $("#search_autocomplete").blur(function() {
-    if ($("#search_autocomplete").val() == '') {
-      $("#search-container").removeClass('active');
-    }
-  })
-
-
   // prep nav expandos
-  var pagePath = document.location.pathname;
+  var pagePath = location.href.replace(location.hash, '');
   // account for intl docs by removing the intl/*/ path
   if (pagePath.indexOf("/intl/") == 0) {
-    pagePath = pagePath.substr(pagePath.indexOf("/",6)); // start after intl/ to get last /
+    pagePath = pagePath.substr(pagePath.indexOf("/", 6)); // start after intl/ to get last /
   }
 
   if (pagePath.indexOf(SITE_ROOT) == 0) {
@@ -178,82 +57,13 @@ $(document).ready(function() {
     // Otherwise the page path is already an absolute URL
   }
 
-  // Highlight the header tabs...
-  // highlight Design tab
-  if ($("body").hasClass("design")) {
-    $("#header li.design a").addClass("selected");
-    $("#sticky-header").addClass("design");
-
-  // highlight About tabs
-  } else if ($("body").hasClass("about")) {
-    var rootDir = pagePathOriginal.substring(1,pagePathOriginal.indexOf('/', 1));
-    if (rootDir == "about") {
-      $("#nav-x li.about a").addClass("selected");
-    } else if (rootDir == "wear") {
-      $("#nav-x li.wear a").addClass("selected");
-    } else if (rootDir == "tv") {
-      $("#nav-x li.tv a").addClass("selected");
-    } else if (rootDir == "auto") {
-      $("#nav-x li.auto a").addClass("selected");
-    }
-  // highlight Develop tab
-  } else if ($("body").hasClass("develop") || $("body").hasClass("google")) {
-    $("#header li.develop a").addClass("selected");
-    $("#sticky-header").addClass("develop");
-    // In Develop docs, also highlight appropriate sub-tab
-    var rootDir = pagePathOriginal.substring(1,pagePathOriginal.indexOf('/', 1));
-    if (rootDir == "training") {
-      $("#nav-x li.training a").addClass("selected");
-    } else if (rootDir == "guide") {
-      $("#nav-x li.guide a").addClass("selected");
-    } else if (rootDir == "reference") {
-      // If the root is reference, but page is also part of Google Services, select Google
-      if ($("body").hasClass("google")) {
-        $("#nav-x li.google a").addClass("selected");
-      } else {
-        $("#nav-x li.reference a").addClass("selected");
-      }
-    } else if ((rootDir == "tools") || (rootDir == "sdk")) {
-      $("#nav-x li.tools a").addClass("selected");
-    } else if ($("body").hasClass("google")) {
-      $("#nav-x li.google a").addClass("selected");
-    } else if ($("body").hasClass("samples")) {
-      $("#nav-x li.samples a").addClass("selected");
-    }
-
-  // highlight Distribute tab
-  } else if ($("body").hasClass("distribute")) {
-    $("#header li.distribute a").addClass("selected");
-    $("#sticky-header").addClass("distribute");
-
-    var baseFrag = pagePathOriginal.indexOf('/', 1) + 1;
-    var secondFrag = pagePathOriginal.substring(baseFrag, pagePathOriginal.indexOf('/', baseFrag));
-    if (secondFrag == "users") {
-      $("#nav-x li.users a").addClass("selected");
-    } else if (secondFrag == "engage") {
-      $("#nav-x li.engage a").addClass("selected");
-    } else if (secondFrag == "monetize") {
-      $("#nav-x li.monetize a").addClass("selected");
-    } else if (secondFrag == "analyze") {
-      $("#nav-x li.analyze a").addClass("selected");
-    } else if (secondFrag == "tools") {
-      $("#nav-x li.disttools a").addClass("selected");
-    } else if (secondFrag == "stories") {
-      $("#nav-x li.stories a").addClass("selected");
-    } else if (secondFrag == "essentials") {
-      $("#nav-x li.essentials a").addClass("selected");
-    } else if (secondFrag == "googleplay") {
-      $("#nav-x li.googleplay a").addClass("selected");
-    }
-  } else if ($("body").hasClass("about")) {
-    $("#sticky-header").addClass("about");
-  }
-
   // set global variable so we can highlight the sidenav a bit later (such as for google reference)
   // and highlight the sidenav
   mPagePath = pagePath;
+
+  // Check for params and remove them.
+  mPagePath = mPagePath.split('?')[0];
   highlightSidenav();
-  buildBreadcrumbs();
 
   // set up prev/next links if they exist
   var $selNavLink = $('#nav').find('a[href="' + pagePath + '"]');
@@ -282,8 +92,8 @@ false; // navigate across topic boundaries only in design docs
 
       // except if cross boundaries aren't allowed, and we're at the top of a section already
       // (and there's another parent)
-      if (!crossBoundaries && $parentListItem.hasClass('nav-section')
-                           && $selListItem.hasClass('nav-section')) {
+      if (!crossBoundaries && $parentListItem.hasClass('nav-section') &&
+                           $selListItem.hasClass('nav-section')) {
         $prevLink = [];
       }
     }
@@ -298,7 +108,7 @@ false; // navigate across topic boundaries only in design docs
       $nextLink = $selListItem.find('ul:eq(0)').find('a:eq(0)');
 
       // if there aren't any children, go to the next section (required for About pages)
-      if($nextLink.length == 0) {
+      if ($nextLink.length == 0) {
         $nextLink = $selListItem.next('li').find('a');
       } else if ($('.topic-start-link').length) {
         // as long as there's a child link and there is a "topic start link" (we're on a landing)
@@ -322,7 +132,7 @@ false; // navigate across topic boundaries only in design docs
           $nextLink = $selListItem.parents('li:eq(1)').next('li.nav-section').find('a:eq(0)');
           if ($nextLink.length == 0) {
             // if that doesn't work, we're at the end of the list, so disable NEXT link
-            $('.next-page-link').attr('href','').addClass("disabled")
+            $('.next-page-link').attr('href', '').addClass("disabled")
                                 .click(function() { return false; });
             // and completely hide the one in the footer
             $('.content-footer .next-page-link').hide();
@@ -341,22 +151,31 @@ false; // navigate across topic boundaries only in design docs
       }
     } else if (isCrossingBoundary && !$('body.design').length) {  // Design always crosses boundaries
       $('.content-footer.next-class').show();
-      $('.next-page-link').attr('href','')
+      $('.next-page-link').attr('href', '')
                           .removeClass("hide").addClass("disabled")
                           .click(function() { return false; });
       // and completely hide the one in the footer
       $('.content-footer .next-page-link').hide();
+      $('.content-footer .prev-page-link').hide();
+
       if ($nextLink.length) {
-        $('.next-class-link').attr('href',$nextLink.attr('href'))
-                             .removeClass("hide")
-                             .append(": " + $nextLink.html());
+        $('.next-class-link').attr('href', $nextLink.attr('href'))
+                             .removeClass("hide");
+
+        $('.content-footer .next-class-link').append($nextLink.html());
+
         $('.next-class-link').find('.new').empty();
       }
     } else {
       $('.next-page-link').attr('href', $nextLink.attr('href'))
                           .removeClass("hide");
-      // for the footer link, also add the next page title
-      $('.content-footer .next-page-link').append(": " + $nextLink.html());
+      // for the footer link, also add the previous and next page titles
+      if ($prevLink.length) {
+        $('.content-footer .prev-page-link').append($prevLink.html());
+      }
+      if ($nextLink.length) {
+        $('.content-footer .next-page-link').append($nextLink.html());
+      }
     }
 
     if (!startClass && $prevLink.length) {
@@ -367,11 +186,8 @@ false; // navigate across topic boundaries only in design docs
         $('.prev-page-link').attr('href', $prevLink.attr('href')).removeClass("hide");
       }
     }
-
   }
 
-
-
   // Set up the course landing pages for Training with class names and descriptions
   if ($('body.trainingcourse').length) {
     var $classLinks = $selListItem.find('ul li a').not('#nav .nav-section .nav-section ul a');
@@ -392,14 +208,13 @@ false; // navigate across topic boundaries only in design docs
 
     var $olClasses  = $('<ol class="class-list"></ol>');
     var $liClass;
-    var $imgIcon;
     var $h2Title;
     var $pSummary;
     var $olLessons;
     var $liLesson;
     $classLinks.each(function(index) {
-      $liClass  = $('<li></li>');
-      $h2Title  = $('<a class="title" href="'+$(this).attr('href')+'"><h2>' + $(this).html()+'</h2><span></span></a>');
+      $liClass  = $('<li class="clearfix"></li>');
+      $h2Title  = $('<a class="title" href="' + $(this).attr('href') + '"><h2 class="norule">' + $(this).html() + '</h2><span></span></a>');
       $pSummary = $('<p class="description">' + $classDescriptions[index] + '</p>');
 
       $olLessons  = $('<ol class="lesson-list"></ol>');
@@ -407,61 +222,34 @@ false; // navigate across topic boundaries only in design docs
       $lessons = $(this).closest('li').find('ul li a');
 
       if ($lessons.length) {
-        $imgIcon = $('<img src="'+toRoot+'assets/images/resource-tutorial.png" '
-            + ' width="64" height="64" alt=""/>');
         $lessons.each(function(index) {
-          $olLessons.append('<li><a href="'+$(this).attr('href')+'">' + $(this).html()+'</a></li>');
+          $olLessons.append('<li><a href="' + $(this).attr('href') + '">' + $(this).html() + '</a></li>');
         });
       } else {
-        $imgIcon = $('<img src="'+toRoot+'assets/images/resource-article.png" '
-            + ' width="64" height="64" alt=""/>');
         $pSummary.addClass('article');
       }
 
-      $liClass.append($h2Title).append($imgIcon).append($pSummary).append($olLessons);
+      $liClass.append($h2Title).append($pSummary).append($olLessons);
       $olClasses.append($liClass);
     });
-    $('.jd-descr').append($olClasses);
+    $('#classes').append($olClasses);
   }
 
   // Set up expand/collapse behavior
   initExpandableNavItems("#nav");
 
-
-  $(".scroll-pane").scroll(function(event) {
-      event.preventDefault();
-      return false;
-  });
-
-  /* Resize nav height when window height changes */
-  $(window).resize(function() {
-    if ($('#side-nav').length == 0) return;
-    var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
-    setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
-    // make sidenav behave when resizing the window and side-scolling is a concern
-    if (sticky) {
-      if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
-        updateSideNavPosition();
-      } else {
-        updateSidenavFullscreenWidth();
-      }
-    }
-    resizeNav();
-  });
-
-
-  var navBarLeftPos;
-  if ($('#devdoc-nav').length) {
-    setNavBarLeftPos();
-  }
-
-
   // Set up play-on-hover <video> tags.
-  $('video.play-on-hover').bind('click', function(){
+  $('video.play-on-hover').bind('click', function() {
     $(this).get(0).load(); // in case the video isn't seekable
     $(this).get(0).play();
   });
 
+  // Set up play-on-click for <video> tags with a "video-wrapper".
+  $('.video-wrapper > video').bind('click', function() {
+    this.play();
+    $(this.parentElement).addClass('playing');
+  });
+
   // Set up tooltips
   var TOOLTIP_MARGIN = 10;
   $('acronym,.tooltip-link').each(function() {
@@ -495,234 +283,30 @@ false; // navigate across topic boundaries only in design docs
   $('h2').click(function() {
     var id = $(this).attr('id');
     if (id) {
-      document.location.hash = id;
+      if (history && history.replaceState) {
+        // Change url without scrolling.
+        history.replaceState({}, '', '#' + id);
+      } else {
+        document.location.hash = id;
+      }
     }
   });
 
   //Loads the +1 button
-  var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
-  po.src = 'https://apis.google.com/js/plusone.js';
-  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
-
-
-  // Revise the sidenav widths to make room for the scrollbar
-  // which avoids the visible width from changing each time the bar appears
-  var $sidenav = $("#side-nav");
-  var sidenav_width = parseInt($sidenav.innerWidth());
-
-  $("#devdoc-nav  #nav").css("width", sidenav_width - 4 + "px"); // 4px is scrollbar width
-
-
-  $(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
-
-  if ($(".scroll-pane").length > 1) {
-    // Check if there's a user preference for the panel heights
-    var cookieHeight = readCookie("reference_height");
-    if (cookieHeight) {
-      restoreHeight(cookieHeight);
-    }
-  }
-
-  // Resize once loading is finished
-  resizeNav();
-  // Check if there's an anchor that we need to scroll into view.
-  // A delay is needed, because some browsers do not immediately scroll down to the anchor
-  window.setTimeout(offsetScrollForSticky, 100);
-
-  /* init the language selector based on user cookie for lang */
-  loadLangPref();
-  changeNavLang(getLangPref());
-
-  /* setup event handlers to ensure the overflow menu is visible while picking lang */
-  $("#language select")
-      .mousedown(function() {
-        $("div.morehover").addClass("hover"); })
-      .blur(function() {
-        $("div.morehover").removeClass("hover"); });
-
-  /* some global variable setup */
-  resizePackagesNav = $("#resize-packages-nav");
-  classesNav = $("#classes-nav");
-  devdocNav = $("#devdoc-nav");
-
-  var cookiePath = "";
-  if (location.href.indexOf("/reference/") != -1) {
-    cookiePath = "reference_";
-  } else if (location.href.indexOf("/guide/") != -1) {
-    cookiePath = "guide_";
-  } else if (location.href.indexOf("/tools/") != -1) {
-    cookiePath = "tools_";
-  } else if (location.href.indexOf("/training/") != -1) {
-    cookiePath = "training_";
-  } else if (location.href.indexOf("/design/") != -1) {
-    cookiePath = "design_";
-  } else if (location.href.indexOf("/distribute/") != -1) {
-    cookiePath = "distribute_";
-  }
-
-
-  /* setup shadowbox for any videos that want it */
-  var $videoLinks = $("a.video-shadowbox-button, a.notice-developers-video");
-  if ($videoLinks.length) {
-    // if there's at least one, add the shadowbox HTML to the body
-    $('body').prepend(
-'<div id="video-container">'+
-  '<div id="video-frame">'+
-    '<div class="video-close">'+
-      '<span id="icon-video-close" onclick="closeVideo()">&nbsp;</span>'+
-    '</div>'+
-    '<div id="youTubePlayer"></div>'+
-  '</div>'+
-'</div>');
-
-    // loads the IFrame Player API code asynchronously.
-    $.getScript("https://www.youtube.com/iframe_api");
-
-    $videoLinks.each(function() {
-      var videoId = $(this).attr('href').split('?v=')[1];
-      $(this).click(function(event) {
-        event.preventDefault();
-        startYouTubePlayer(videoId);
-      });
-    });
-  }
+  //var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
+  //po.src = 'https://apis.google.com/js/plusone.js';
+  //var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
 });
 // END of the onload event
 
-
-var youTubePlayer;
-function onYouTubeIframeAPIReady() {
-}
-
-/* Returns the height the shadowbox video should be. It's based on the current
-   height of the "video-frame" element, which is 100% height for the window.
-   Then minus the margin so the video isn't actually the full window height. */
-function getVideoHeight() {
-  var frameHeight = $("#video-frame").height();
-  var marginTop = $("#video-frame").css('margin-top').split('px')[0];
-  return frameHeight - (marginTop * 2);
-}
-
-var mPlayerPaused = false;
-
-function startYouTubePlayer(videoId) {
-  $("#video-container").show();
-  $("#video-frame").show();
-  mPlayerPaused = false;
-
-  // compute the size of the player so it's centered in window
-  var maxWidth = 940;  // the width of the web site content
-  var videoAspect = .5625; // based on 1280x720 resolution
-  var maxHeight = maxWidth * videoAspect;
-  var videoHeight = getVideoHeight();
-  var videoWidth = videoHeight / videoAspect;
-  if (videoWidth > maxWidth) {
-    videoWidth = maxWidth;
-    videoHeight = maxHeight;
-  }
-  $("#video-frame").css('width', videoWidth);
-
-  // check if we've already created this player
-  if (youTubePlayer == null) {
-    // check if there's a start time specified
-    var idAndHash = videoId.split("#");
-    var startTime = 0;
-    if (idAndHash.length > 1) {
-      startTime = idAndHash[1].split("t=")[1] != undefined ? idAndHash[1].split("t=")[1] : 0;
-    }
-    // enable localized player
-    var lang = getLangPref();
-    var captionsOn = lang == 'en' ? 0 : 1;
-
-    youTubePlayer = new YT.Player('youTubePlayer', {
-      height: videoHeight,
-      width: videoWidth,
-      videoId: idAndHash[0],
-      playerVars: {start: startTime, hl: lang, cc_load_policy: captionsOn},
-      events: {
-        'onReady': onPlayerReady,
-        'onStateChange': onPlayerStateChange
-      }
-    });
-  } else {
-    // reset the size in case the user adjusted the window since last play
-    youTubePlayer.setSize(videoWidth, videoHeight);
-    // if a video different from the one already playing was requested, cue it up
-    if (videoId != youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0]) {
-      youTubePlayer.cueVideoById(videoId);
-    }
-    youTubePlayer.playVideo();
-  }
-}
-
-function onPlayerReady(event) {
-  event.target.playVideo();
-  mPlayerPaused = false;
-}
-
-function closeVideo() {
-  try {
-    youTubePlayer.pauseVideo();
-  } catch(e) {
-  }
-  $("#video-container").fadeOut(200);
-}
-
-/* Track youtube playback for analytics */
-function onPlayerStateChange(event) {
-    // Video starts, send the video ID
-    if (event.data == YT.PlayerState.PLAYING) {
-      if (mPlayerPaused) {
-        ga('send', 'event', 'Videos', 'Resume',
-            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0]);
-      } else {
-        // track the start playing event so we know from which page the video was selected
-        ga('send', 'event', 'Videos', 'Start: ' +
-            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0],
-            'on: ' + document.location.href);
-      }
-      mPlayerPaused = false;
-    }
-    // Video paused, send video ID and video elapsed time
-    if (event.data == YT.PlayerState.PAUSED) {
-      ga('send', 'event', 'Videos', 'Paused',
-            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0],
-            youTubePlayer.getCurrentTime());
-      mPlayerPaused = true;
-    }
-    // Video finished, send video ID and video elapsed time
-    if (event.data == YT.PlayerState.ENDED) {
-      ga('send', 'event', 'Videos', 'Finished',
-            youTubePlayer.getVideoUrl().split('?v=')[1].split('&')[0].split('%')[0],
-            youTubePlayer.getCurrentTime());
-      mPlayerPaused = true;
-    }
-}
-
-
-
 function initExpandableNavItems(rootTag) {
-  $(rootTag + ' li.nav-section .nav-section-header').click(function() {
-    var section = $(this).closest('li.nav-section');
-    if (section.hasClass('expanded')) {
-    /* hide me and descendants */
-      section.find('ul').slideUp(250, function() {
-        // remove 'expanded' class from my section and any children
-        section.closest('li').removeClass('expanded');
-        $('li.nav-section', section).removeClass('expanded');
-        resizeNav();
-      });
-    } else {
-    /* show me */
-      // first hide all other siblings
-      var $others = $('li.nav-section.expanded', $(this).closest('ul')).not('.sticky');
-      $others.removeClass('expanded').children('ul').slideUp(250);
-
-      // now expand me
-      section.closest('li').addClass('expanded');
-      section.children('ul').slideDown(250, function() {
-        resizeNav();
-      });
+  var toggleIcon = $(
+      rootTag + ' li.nav-section .nav-section-header .toggle-icon, ' +
+      rootTag + ' li.nav-section .nav-section-header a[href="#"]');
+
+  toggleIcon.on('click keypress', function(e) {
+    if (e.type == 'keypress' && e.which == 13 || e.type == 'click') {
+      doNavToggle(this);
     }
   });
 
@@ -735,28 +319,27 @@ function initExpandableNavItems(rootTag) {
   });
 }
 
+function doNavToggle(el) {
+  var section = $(el).closest('li.nav-section');
+  if (section.hasClass('expanded')) {
+    /* hide me and descendants */
+    section.find('ul').slideUp(250, function() {
+      // remove 'expanded' class from my section and any children
+      section.closest('li').removeClass('expanded');
+      $('li.nav-section', section).removeClass('expanded');
+    });
+  } else {
+    /* show me */
+    // first hide all other siblings
+    var $others = $('li.nav-section.expanded', $(el).closest('ul')).not('.sticky');
+    $others.removeClass('expanded').children('ul').slideUp(250);
 
-/** Create the list of breadcrumb links in the sticky header */
-function buildBreadcrumbs() {
-  var $breadcrumbUl =  $("#sticky-header ul.breadcrumb");
-  // Add the secondary horizontal nav item, if provided
-  var $selectedSecondNav = $("div#nav-x ul.nav-x a.selected").clone().removeClass("selected");
-  if ($selectedSecondNav.length) {
-    $breadcrumbUl.prepend($("<li>").append($selectedSecondNav))
-  }
-  // Add the primary horizontal nav
-  var $selectedFirstNav = $("div#header-wrap ul.nav-x a.selected").clone().removeClass("selected");
-  // If there's no header nav item, use the logo link and title from alt text
-  if ($selectedFirstNav.length < 1) {
-    $selectedFirstNav = $("<a>")
-        .attr('href', $("div#header .logo a").attr('href'))
-        .text($("div#header .logo img").attr('alt'));
+    // now expand me
+    section.closest('li').addClass('expanded');
+    section.children('ul').slideDown(250);
   }
-  $breadcrumbUl.prepend($("<li>").append($selectedFirstNav));
 }
 
-
-
 /** Highlight the current page in sidenav, expanding children as appropriate */
 function highlightSidenav() {
   // if something is already highlighted, undo it. This is for dynamic navigation (Samples index)
@@ -772,6 +355,8 @@ function highlightSidenav() {
   }
 
   var $selListItem;
+  var breadcrumb = [];
+
   if ($selNavLink.length) {
     // Find this page's <li> in sidenav and set selected
     $selListItem = $selNavLink.closest('li');
@@ -781,8 +366,20 @@ function highlightSidenav() {
     $selNavLink.parents('li.nav-section').each(function() {
       $(this).addClass('expanded');
       $(this).children('ul').show();
+
+      var link = $(this).find('a').first();
+
+      if (!$(this).is($selListItem)) {
+        breadcrumb.unshift(link)
+      }
     });
+
+    $('#nav').scrollIntoView($selNavLink);
   }
+
+  breadcrumb.forEach(function(link) {
+    link.dacCrumbs();
+  });
 }
 
 function unHighlightSidenav() {
@@ -790,56 +387,6 @@ function unHighlightSidenav() {
   $('ul#nav li.nav-section.expanded').removeClass('expanded').children('ul').hide();
 }
 
-function toggleFullscreen(enable) {
-  var delay = 20;
-  var enabled = true;
-  var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
-  if (enable) {
-    // Currently NOT USING fullscreen; enable fullscreen
-    stylesheet.removeAttr('disabled');
-    $('#nav-swap .fullscreen').removeClass('disabled');
-    $('#devdoc-nav').css({left:''});
-    setTimeout(updateSidenavFullscreenWidth,delay); // need to wait a moment for css to switch
-    enabled = true;
-  } else {
-    // Currently USING fullscreen; disable fullscreen
-    stylesheet.attr('disabled', 'disabled');
-    $('#nav-swap .fullscreen').addClass('disabled');
-    setTimeout(updateSidenavFixedWidth,delay); // need to wait a moment for css to switch
-    enabled = false;
-  }
-  writeCookie("fullscreen", enabled, null);
-  setNavBarLeftPos();
-  resizeNav(delay);
-  updateSideNavPosition();
-  setTimeout(initSidenavHeightResize,delay);
-}
-
-
-function setNavBarLeftPos() {
-  navBarLeftPos = $('#body-content').offset().left;
-}
-
-
-function updateSideNavPosition() {
-  var newLeft = $(window).scrollLeft() - navBarLeftPos;
-  $('#devdoc-nav').css({left: -newLeft});
-  $('#devdoc-nav .totop').css({left: -(newLeft - parseInt($('#side-nav').css('margin-left')))});
-}
-
-// TODO: use $(document).ready instead
-function addLoadEvent(newfun) {
-  var current = window.onload;
-  if (typeof window.onload != 'function') {
-    window.onload = newfun;
-  } else {
-    window.onload = function() {
-      current();
-      newfun();
-    }
-  }
-}
-
 var agent = navigator['userAgent'].toLowerCase();
 // If a mobile phone, set flag and do mobile setup
 if ((agent.indexOf("mobile") != -1) ||      // android, iphone, ipod
@@ -849,192 +396,23 @@ if ((agent.indexOf("mobile") != -1) ||      // android, iphone, ipod
   isMobile = true;
 }
 
-
 $(document).ready(function() {
   $("pre:not(.no-pretty-print)").addClass("prettyprint");
   prettyPrint();
 });
 
-
-
-
-/* ######### RESIZE THE SIDENAV HEIGHT ########## */
-
-function resizeNav(delay) {
-  var $nav = $("#devdoc-nav");
-  var $window = $(window);
-  var navHeight;
-
-  // Get the height of entire window and the total header height.
-  // Then figure out based on scroll position whether the header is visible
-  var windowHeight = $window.height();
-  var scrollTop = $window.scrollTop();
-  var headerHeight = $('#header-wrapper').outerHeight();
-  var headerVisible = scrollTop < stickyTop;
-
-  // get the height of space between nav and top of window.
-  // Could be either margin or top position, depending on whether the nav is fixed.
-  var topMargin = (parseInt($nav.css('margin-top')) || parseInt($nav.css('top'))) + 1;
-  // add 1 for the #side-nav bottom margin
-
-  // Depending on whether the header is visible, set the side nav's height.
-  if (headerVisible) {
-    // The sidenav height grows as the header goes off screen
-    navHeight = windowHeight - (headerHeight - scrollTop) - topMargin;
-  } else {
-    // Once header is off screen, the nav height is almost full window height
-    navHeight = windowHeight - topMargin;
-  }
-
-
-
-  $scrollPanes = $(".scroll-pane");
-  if ($scrollPanes.length > 1) {
-    // subtract the height of the api level widget and nav swapper from the available nav height
-    navHeight -= ($('#api-nav-header').outerHeight(true) + $('#nav-swap').outerHeight(true));
-
-    $("#swapper").css({height:navHeight + "px"});
-    if ($("#nav-tree").is(":visible")) {
-      $("#nav-tree").css({height:navHeight});
-    }
-
-    var classesHeight = navHeight - parseInt($("#resize-packages-nav").css("height")) - 10 + "px";
-    //subtract 10px to account for drag bar
-
-    // if the window becomes small enough to make the class panel height 0,
-    // then the package panel should begin to shrink
-    if (parseInt(classesHeight) <= 0) {
-      $("#resize-packages-nav").css({height:navHeight - 10}); //subtract 10px for drag bar
-      $("#packages-nav").css({height:navHeight - 10});
-    }
-
-    $("#classes-nav").css({'height':classesHeight, 'margin-top':'10px'});
-    $("#classes-nav .jspContainer").css({height:classesHeight});
-
-
-  } else {
-    $nav.height(navHeight);
-  }
-
-  if (delay) {
-    updateFromResize = true;
-    delayedReInitScrollbars(delay);
-  } else {
-    reInitScrollbars();
-  }
-
-}
-
-var updateScrollbars = false;
-var updateFromResize = false;
-
-/* Re-initialize the scrollbars to account for changed nav size.
- * This method postpones the actual update by a 1/4 second in order to optimize the
- * scroll performance while the header is still visible, because re-initializing the
- * scroll panes is an intensive process.
- */
-function delayedReInitScrollbars(delay) {
-  // If we're scheduled for an update, but have received another resize request
-  // before the scheduled resize has occured, just ignore the new request
-  // (and wait for the scheduled one).
-  if (updateScrollbars && updateFromResize) {
-    updateFromResize = false;
-    return;
-  }
-
-  // We're scheduled for an update and the update request came from this method's setTimeout
-  if (updateScrollbars && !updateFromResize) {
-    reInitScrollbars();
-    updateScrollbars = false;
-  } else {
-    updateScrollbars = true;
-    updateFromResize = false;
-    setTimeout('delayedReInitScrollbars()',delay);
-  }
-}
-
-/* Re-initialize the scrollbars to account for changed nav size. */
-function reInitScrollbars() {
-  var pane = $(".scroll-pane").each(function(){
-    var api = $(this).data('jsp');
-    if (!api) { setTimeout(reInitScrollbars,300); return;}
-    api.reinitialise( {verticalGutter:0} );
-  });
-  $(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
-}
-
-
-/* Resize the height of the nav panels in the reference,
- * and save the new size to a cookie */
-function saveNavPanels() {
-  var basePath = getBaseUri(location.pathname);
-  var section = basePath.substring(1,basePath.indexOf("/",1));
-  writeCookie("height", resizePackagesNav.css("height"), section);
-}
-
-
-
-function restoreHeight(packageHeight) {
-    $("#resize-packages-nav").height(packageHeight);
-    $("#packages-nav").height(packageHeight);
-  //  var classesHeight = navHeight - packageHeight;
- //   $("#classes-nav").css({height:classesHeight});
-  //  $("#classes-nav .jspContainer").css({height:classesHeight});
-}
-
-
-
-/* ######### END RESIZE THE SIDENAV HEIGHT ########## */
-
-
-
-
-
-/** Scroll the jScrollPane to make the currently selected item visible
-    This is called when the page finished loading. */
-function scrollIntoView(nav) {
-  var $nav = $("#"+nav);
-  var element = $nav.jScrollPane({/* ...settings... */});
-  var api = element.data('jsp');
-
-  if ($nav.is(':visible')) {
-    var $selected = $(".selected", $nav);
-    if ($selected.length == 0) {
-      // If no selected item found, exit
-      return;
-    }
-    // get the selected item's offset from its container nav by measuring the item's offset
-    // relative to the document then subtract the container nav's offset relative to the document
-    var selectedOffset = $selected.offset().top - $nav.offset().top;
-    if (selectedOffset > $nav.height() * .8) { // multiply nav height by .8 so we move up the item
-                                               // if it's more than 80% down the nav
-      // scroll the item up by an amount equal to 80% the container nav's height
-      api.scrollTo(0, selectedOffset - ($nav.height() * .8), false);
-    }
-  }
-}
-
-
-
-
-
-
 /* Show popup dialogs */
 function showDialog(id) {
-  $dialog = $("#"+id);
+  $dialog = $("#" + id);
   $dialog.prepend('<div class="box-border"><div class="top"> <div class="left"></div> <div class="right"></div></div><div class="bottom"> <div class="left"></div> <div class="right"></div> </div> </div>');
   $dialog.wrapInner('<div/>');
   $dialog.removeClass("hide");
 }
 
-
-
-
-
 /* #########    COOKIES!     ########## */
 
 function readCookie(cookie) {
-  var myCookie = cookie_namespace+"_"+cookie+"=";
+  var myCookie = cookie_namespace + "_" + cookie + "=";
   if (document.cookie) {
     var index = document.cookie.indexOf(myCookie);
     if (index != -1) {
@@ -1051,104 +429,16 @@ function readCookie(cookie) {
 }
 
 function writeCookie(cookie, val, section) {
-  if (val==undefined) return;
-  section = section == null ? "_" : "_"+section+"_";
-  var age = 2*365*24*60*60; // set max-age to 2 years
-  var cookieValue = cookie_namespace + section + cookie + "=" + val
-                    + "; max-age=" + age +"; path=/";
+  if (val == undefined) return;
+  section = section == null ? "_" : "_" + section + "_";
+  var age = 2 * 365 * 24 * 60 * 60; // set max-age to 2 years
+  var cookieValue = cookie_namespace + section + cookie + "=" + val +
+                    "; max-age=" + age + "; path=/";
   document.cookie = cookieValue;
 }
 
 /* #########     END COOKIES!     ########## */
 
-
-var sticky = false;
-var stickyTop;
-var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
-/* Sets the vertical scoll position at which the sticky bar should appear.
-   This method is called to reset the position when search results appear or hide */
-function setStickyTop() {
-  stickyTop = $('#header-wrapper').outerHeight() - $('#sticky-header').outerHeight();
-}
-
-/*
- * Displays sticky nav bar on pages when dac header scrolls out of view
- */
-$(window).scroll(function(event) {
-
-  setStickyTop();
-  var hiding = false;
-  var $stickyEl = $('#sticky-header');
-  var $menuEl = $('.menu-container');
-  // Exit if there's no sidenav
-  if ($('#side-nav').length == 0) return;
-  // Exit if the mouse target is a DIV, because that means the event is coming
-  // from a scrollable div and so there's no need to make adjustments to our layout
-  if ($(event.target).nodeName == "DIV") {
-    return;
-  }
-
-  var top = $(window).scrollTop();
-  // we set the navbar fixed when the scroll position is beyond the height of the site header...
-  var shouldBeSticky = top >= stickyTop;
-  // ... except if the document content is shorter than the sidenav height.
-  // (this is necessary to avoid crazy behavior on OSX Lion due to overscroll bouncing)
-  if ($("#doc-col").height() < $("#side-nav").height()) {
-    shouldBeSticky = false;
-  }
-  // Account for horizontal scroll
-  var scrollLeft = $(window).scrollLeft();
-  // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
-  if (sticky && (scrollLeft != prevScrollLeft)) {
-    updateSideNavPosition();
-    prevScrollLeft = scrollLeft;
-  }
-
-  // Don't continue if the header is sufficently far away
-  // (to avoid intensive resizing that slows scrolling)
-  if (sticky == shouldBeSticky) {
-    return;
-  }
-
-  // If sticky header visible and position is now near top, hide sticky
-  if (sticky && !shouldBeSticky) {
-    sticky = false;
-    hiding = true;
-    // make the sidenav static again
-    $('#devdoc-nav')
-        .removeClass('fixed')
-        .css({'width':'auto','margin':''})
-        .prependTo('#side-nav');
-    // delay hide the sticky
-    $menuEl.removeClass('sticky-menu');
-    $stickyEl.fadeOut(250);
-    hiding = false;
-
-    // update the sidenaav position for side scrolling
-    updateSideNavPosition();
-  } else if (!sticky && shouldBeSticky) {
-    sticky = true;
-    $stickyEl.fadeIn(10);
-    $menuEl.addClass('sticky-menu');
-
-    // make the sidenav fixed
-    var width = $('#devdoc-nav').width();
-    $('#devdoc-nav')
-        .addClass('fixed')
-        .css({'width':width+'px'})
-        .prependTo('#body-content');
-
-    // update the sidenaav position for side scrolling
-    updateSideNavPosition();
-
-  } else if (hiding && top < 15) {
-    $menuEl.removeClass('sticky-menu');
-    $stickyEl.hide();
-    hiding = false;
-  }
-  resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance
-});
-
 /*
  * Manages secion card states and nav resize to conclude loading
  */
@@ -1158,7 +448,7 @@ $(window).scroll(function(event) {
     // Stack hover states
     $('.section-card-menu').each(function(index, el) {
       var height = $(el).height();
-      $(el).css({height:height+'px', position:'relative'});
+      $(el).css({height:height + 'px', position:'relative'});
       var $cardInfo = $(el).find('.card-info');
 
       $cardInfo.css({position: 'absolute', bottom:'0px', left:'0px', right:'0px', overflow:'visible'});
@@ -1168,25 +458,8 @@ $(window).scroll(function(event) {
 
 })();
 
-
-
-
-
-
-
-
-
-
-
-
-
-
 /*      MISC LIBRARY FUNCTIONS     */
 
-
-
-
-
 function toggle(obj, slide) {
   var ul = $("ul:first", obj);
   var li = ul.parent();
@@ -1207,7 +480,6 @@ function toggle(obj, slide) {
   }
 }
 
-
 function buildToggleLists() {
   $(".toggle-list").each(
     function(i) {
@@ -1216,12 +488,10 @@ function buildToggleLists() {
     });
 }
 
-
-
 function hideNestedItems(list, toggle) {
   $list = $(list);
   // hide nested lists
-  if($list.hasClass('showing')) {
+  if ($list.hasClass('showing')) {
     $("li ol", $list).hide('fast');
     $list.removeClass('showing');
   // show nested lists
@@ -1229,207 +499,47 @@ function hideNestedItems(list, toggle) {
     $("li ol", $list).show('fast');
     $list.addClass('showing');
   }
-  $(".more,.less",$(toggle)).toggle();
+  $(".more,.less", $(toggle)).toggle();
 }
 
-
 /* Call this to add listeners to a <select> element for Studio/Eclipse/Other docs */
 function setupIdeDocToggle() {
-  $( "select.ide" ).change(function() {
+  $("select.ide").change(function() {
     var selected = $(this).find("option:selected").attr("value");
     $(".select-ide").hide();
-    $(".select-ide."+selected).show();
+    $(".select-ide." + selected).show();
 
     $("select.ide").val(selected);
   });
 }
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/*      REFERENCE NAV SWAP     */
-
-
-function getNavPref() {
-  var v = readCookie('reference_nav');
-  if (v != NAV_PREF_TREE) {
-    v = NAV_PREF_PANELS;
-  }
-  return v;
-}
-
-function chooseDefaultNav() {
-  nav_pref = getNavPref();
-  if (nav_pref == NAV_PREF_TREE) {
-    $("#nav-panels").toggle();
-    $("#panel-link").toggle();
-    $("#nav-tree").toggle();
-    $("#tree-link").toggle();
-  }
-}
-
-function swapNav() {
-  if (nav_pref == NAV_PREF_TREE) {
-    nav_pref = NAV_PREF_PANELS;
-  } else {
-    nav_pref = NAV_PREF_TREE;
-    init_default_navtree(toRoot);
-  }
-  writeCookie("nav", nav_pref, "reference");
-
-  $("#nav-panels").toggle();
-  $("#panel-link").toggle();
-  $("#nav-tree").toggle();
-  $("#tree-link").toggle();
-
-  resizeNav();
-
-  // Gross nasty hack to make tree view show up upon first swap by setting height manually
-  $("#nav-tree .jspContainer:visible")
-      .css({'height':$("#nav-tree .jspContainer .jspPane").height() +'px'});
-  // Another nasty hack to make the scrollbar appear now that we have height
-  resizeNav();
-
-  if ($("#nav-tree").is(':visible')) {
-    scrollIntoView("nav-tree");
-  } else {
-    scrollIntoView("packages-nav");
-    scrollIntoView("classes-nav");
-  }
-}
-
-
-
-/* ############################################ */
-/* ##########     LOCALIZATION     ############ */
-/* ############################################ */
-
-function getBaseUri(uri) {
-  var intlUrl = (uri.substring(0,6) == "/intl/");
-  if (intlUrl) {
-    base = uri.substring(uri.indexOf('intl/')+5,uri.length);
-    base = base.substring(base.indexOf('/')+1, base.length);
-      //alert("intl, returning base url: /" + base);
-    return ("/" + base);
-  } else {
-      //alert("not intl, returning uri as found.");
-    return uri;
-  }
-}
-
-function requestAppendHL(uri) {
-//append "?hl=<lang> to an outgoing request (such as to blog)
-  var lang = getLangPref();
-  if (lang) {
-    var q = 'hl=' + lang;
-    uri += '?' + q;
-    window.location = uri;
-    return false;
-  } else {
-    return true;
-  }
-}
-
-
-function changeNavLang(lang) {
-  var $links = $("#devdoc-nav,#header,#nav-x,.training-nav-top,.content-footer").find("a["+lang+"-lang]");
-  $links.each(function(i){ // for each link with a translation
-    var $link = $(this);
-    if (lang != "en") { // No need to worry about English, because a language change invokes new request
-      // put the desired language from the attribute as the text
-      $link.text($link.attr(lang+"-lang"))
-    }
-  });
-}
-
-function changeLangPref(lang, submit) {
-  writeCookie("pref_lang", lang, null);
-
-  //  #######  TODO:  Remove this condition once we're stable on devsite #######
-  //  This condition is only needed if we still need to support legacy GAE server
-  if (devsite) {
-    // Switch language when on Devsite server
-    if (submit) {
-      $("#setlang").submit();
-    }
-  } else {
-    // Switch language when on legacy GAE server
-    if (submit) {
-      window.location = getBaseUri(location.pathname);
-    }
-  }
-}
-
-function loadLangPref() {
-  var lang = readCookie("pref_lang");
-  if (lang != 0) {
-    $("#language").find("option[value='"+lang+"']").attr("selected",true);
-  }
-}
-
-function getLangPref() {
-  var lang = $("#language").find(":selected").attr("value");
-  if (!lang) {
-    lang = readCookie("pref_lang");
-  }
-  return (lang != 0) ? lang : 'en';
-}
-
-/* ##########     END LOCALIZATION     ############ */
-
-
-
-
-
-
-/* Used to hide and reveal supplemental content, such as long code samples.
-   See the companion CSS in android-developer-docs.css */
-function toggleContent(obj) {
-  var div = $(obj).closest(".toggle-content");
-  var toggleMe = $(".toggle-content-toggleme:eq(0)",div);
-  if (div.hasClass("closed")) { // if it's closed, open it
-    toggleMe.slideDown();
-    $(".toggle-content-text:eq(0)", obj).toggle();
-    div.removeClass("closed").addClass("open");
-    $(".toggle-content-img:eq(0)", div).attr("title", "hide").attr("src", toRoot
-                  + "assets/images/triangle-opened.png");
-  } else { // if it's open, close it
-    toggleMe.slideUp('fast', function() {  // Wait until the animation is done before closing arrow
-      $(".toggle-content-text:eq(0)", obj).toggle();
-      div.removeClass("open").addClass("closed");
-      div.find(".toggle-content").removeClass("open").addClass("closed")
-              .find(".toggle-content-toggleme").hide();
-      $(".toggle-content-img", div).attr("title", "show").attr("src", toRoot
-                  + "assets/images/triangle-closed.png");
-    });
-  }
-  return false;
-}
-
+/* Used to hide and reveal supplemental content, such as long code samples.
+   See the companion CSS in android-developer-docs.css */
+function toggleContent(obj) {
+  var div = $(obj).closest(".toggle-content");
+  var toggleMe = $(".toggle-content-toggleme:eq(0)", div);
+  if (div.hasClass("closed")) { // if it's closed, open it
+    toggleMe.slideDown();
+    $(".toggle-content-text:eq(0)", obj).toggle();
+    div.removeClass("closed").addClass("open");
+    $(".toggle-content-img:eq(0)", div).attr("title", "hide").attr("src", toRoot +
+                  "assets/images/styles/disclosure_up.png");
+  } else { // if it's open, close it
+    toggleMe.slideUp('fast', function() {  // Wait until the animation is done before closing arrow
+      $(".toggle-content-text:eq(0)", obj).toggle();
+      div.removeClass("open").addClass("closed");
+      div.find(".toggle-content").removeClass("open").addClass("closed")
+              .find(".toggle-content-toggleme").hide();
+      $(".toggle-content-img", div).attr("title", "show").attr("src", toRoot +
+                  "assets/images/styles/disclosure_down.png");
+    });
+  }
+  return false;
+}
 
 /* New version of expandable content */
-function toggleExpandable(link,id) {
-  if($(id).is(':visible')) {
+function toggleExpandable(link, id) {
+  if ($(id).is(':visible')) {
     $(id).slideUp();
     $(link).removeClass('expanded');
   } else {
@@ -1443,10 +553,6 @@ function hideExpandable(ids) {
   $(ids).prev('h4').find('a.expandable').removeClass('expanded');
 }
 
-
-
-
-
 /*
  *  Slideshow 1.0
  *  Used on /index.html and /develop/index.html for carousel
@@ -1486,169 +592,164 @@ function hideExpandable(ids) {
  *
  */
 
- (function($) {
- $.fn.dacSlideshow = function(o) {
-
-     //Options - see above
-     o = $.extend({
-         btnPrev:   null,
-         btnNext:   null,
-         btnPause:  null,
-         auto:      true,
-         speed:     500,
-         autoTime:  12000,
-         easing:    null,
-         start:     0,
-         scroll:    1,
-         pagination: true
-
-     }, o || {});
-
-     //Set up a carousel for each
-     return this.each(function() {
-
-         var running = false;
-         var animCss = o.vertical ? "top" : "left";
-         var sizeCss = o.vertical ? "height" : "width";
-         var div = $(this);
-         var ul = $("ul", div);
-         var tLi = $("li", ul);
-         var tl = tLi.size();
-         var timer = null;
-
-         var li = $("li", ul);
-         var itemLength = li.size();
-         var curr = o.start;
-
-         li.css({float: o.vertical ? "none" : "left"});
-         ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
-         div.css({position: "relative", "z-index": "2", left: "0px"});
-
-         var liSize = o.vertical ? height(li) : width(li);
-         var ulSize = liSize * itemLength;
-         var divSize = liSize;
-
-         li.css({width: li.width(), height: li.height()});
-         ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
-
-         div.css(sizeCss, divSize+"px");
-
-         //Pagination
-         if (o.pagination) {
-             var pagination = $("<div class='pagination'></div>");
-             var pag_ul = $("<ul></ul>");
-             if (tl > 1) {
-               for (var i=0;i<tl;i++) {
-                    var li = $("<li>"+i+"</li>");
-                    pag_ul.append(li);
-                    if (i==o.start) li.addClass('active');
-                        li.click(function() {
-                        go(parseInt($(this).text()));
-                    })
-                }
-                pagination.append(pag_ul);
-                div.append(pagination);
-             }
-         }
-
-         //Previous button
-         if(o.btnPrev)
+(function($) {
+  $.fn.dacSlideshow = function(o) {
+
+    //Options - see above
+    o = $.extend({
+      btnPrev:   null,
+      btnNext:   null,
+      btnPause:  null,
+      auto:      true,
+      speed:     500,
+      autoTime:  12000,
+      easing:    null,
+      start:     0,
+      scroll:    1,
+      pagination: true
+
+    }, o || {});
+
+    //Set up a carousel for each
+    return this.each(function() {
+
+      var running = false;
+      var animCss = o.vertical ? "top" : "left";
+      var sizeCss = o.vertical ? "height" : "width";
+      var div = $(this);
+      var ul = $("ul", div);
+      var tLi = $("li", ul);
+      var tl = tLi.size();
+      var timer = null;
+
+      var li = $("li", ul);
+      var itemLength = li.size();
+      var curr = o.start;
+
+      li.css({float: o.vertical ? "none" : "left"});
+      ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
+      div.css({position: "relative", "z-index": "2", left: "0px"});
+
+      var liSize = o.vertical ? height(li) : width(li);
+      var ulSize = liSize * itemLength;
+      var divSize = liSize;
+
+      li.css({width: li.width(), height: li.height()});
+      ul.css(sizeCss, ulSize + "px").css(animCss, -(curr * liSize));
+
+      div.css(sizeCss, divSize + "px");
+
+      //Pagination
+      if (o.pagination) {
+        var pagination = $("<div class='pagination'></div>");
+        var pag_ul = $("<ul></ul>");
+        if (tl > 1) {
+          for (var i = 0; i < tl; i++) {
+            var li = $("<li>" + i + "</li>");
+            pag_ul.append(li);
+            if (i == o.start) li.addClass('active');
+            li.click(function() {
+              go(parseInt($(this).text()));
+            })
+          }
+          pagination.append(pag_ul);
+          div.append(pagination);
+        }
+      }
+
+      //Previous button
+      if (o.btnPrev)
              $(o.btnPrev).click(function(e) {
-                 e.preventDefault();
-                 return go(curr-o.scroll);
+               e.preventDefault();
+               return go(curr - o.scroll);
              });
 
-         //Next button
-         if(o.btnNext)
+      //Next button
+      if (o.btnNext)
              $(o.btnNext).click(function(e) {
-                 e.preventDefault();
-                 return go(curr+o.scroll);
+               e.preventDefault();
+               return go(curr + o.scroll);
              });
 
-         //Pause button
-         if(o.btnPause)
+      //Pause button
+      if (o.btnPause)
              $(o.btnPause).click(function(e) {
-                 e.preventDefault();
-                 if ($(this).hasClass('paused')) {
-                     startRotateTimer();
-                 } else {
-                     pauseRotateTimer();
-                 }
+               e.preventDefault();
+               if ($(this).hasClass('paused')) {
+                 startRotateTimer();
+               } else {
+                 pauseRotateTimer();
+               }
              });
 
-         //Auto rotation
-         if(o.auto) startRotateTimer();
-
-         function startRotateTimer() {
-             clearInterval(timer);
-             timer = setInterval(function() {
-                  if (curr == tl-1) {
-                    go(0);
-                  } else {
-                    go(curr+o.scroll);
-                  }
-              }, o.autoTime);
-             $(o.btnPause).removeClass('paused');
-         }
-
-         function pauseRotateTimer() {
-             clearInterval(timer);
-             $(o.btnPause).addClass('paused');
-         }
-
-         //Go to an item
-         function go(to) {
-             if(!running) {
-
-                 if(to<0) {
-                    to = itemLength-1;
-                 } else if (to>itemLength-1) {
-                    to = 0;
-                 }
-                 curr = to;
-
-                 running = true;
-
-                 ul.animate(
-                     animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
-                     function() {
-                         running = false;
-                     }
-                 );
+      //Auto rotation
+      if (o.auto) startRotateTimer();
+
+      function startRotateTimer() {
+        clearInterval(timer);
+        timer = setInterval(function() {
+          if (curr == tl - 1) {
+            go(0);
+          } else {
+            go(curr + o.scroll);
+          }
+        }, o.autoTime);
+        $(o.btnPause).removeClass('paused');
+      }
+
+      function pauseRotateTimer() {
+        clearInterval(timer);
+        $(o.btnPause).addClass('paused');
+      }
+
+      //Go to an item
+      function go(to) {
+        if (!running) {
 
-                 $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
-                 $( (curr-o.scroll<0 && o.btnPrev)
-                     ||
-                    (curr+o.scroll > itemLength && o.btnNext)
-                     ||
-                    []
-                  ).addClass("disabled");
+          if (to < 0) {
+            to = itemLength - 1;
+          } else if (to > itemLength - 1) {
+            to = 0;
+          }
+          curr = to;
 
+          running = true;
 
-                 var nav_items = $('li', pagination);
-                 nav_items.removeClass('active');
-                 nav_items.eq(to).addClass('active');
+          ul.animate(
+              animCss == "left" ? {left: -(curr * liSize)} : {top: -(curr * liSize)} , o.speed, o.easing,
+                     function() {
+                       running = false;
+                     }
+                 );
 
+          $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
+          $((curr - o.scroll < 0 && o.btnPrev)              ||
+             (curr + o.scroll > itemLength && o.btnNext)              ||
+             []
+           ).addClass("disabled");
 
-             }
-             if(o.auto) startRotateTimer();
-             return false;
-         };
-     });
- };
+          var nav_items = $('li', pagination);
+          nav_items.removeClass('active');
+          nav_items.eq(to).addClass('active');
 
- function css(el, prop) {
-     return parseInt($.css(el[0], prop)) || 0;
- };
- function width(el) {
-     return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
- };
- function height(el) {
-     return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
- };
+        }
+        if (o.auto) startRotateTimer();
+        return false;
+      };
+    });
+  };
 
- })(jQuery);
+  function css(el, prop) {
+    return parseInt($.css(el[0], prop)) || 0;
+  };
+  function width(el) {
+    return el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
+  };
+  function height(el) {
+    return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
+  };
 
+})(jQuery);
 
 /*
  *  dacSlideshow 1.0
@@ -1687,2670 +788,5903 @@ function hideExpandable(ids) {
  *  pagination: whether or not to include dotted pagination
  *
  */
- (function($) {
- $.fn.dacTabbedList = function(o) {
-
-     //Options - see above
-     o = $.extend({
-         speed : 250,
-         easing: null,
-         nav_id: null,
-         frame_id: null
-     }, o || {});
-
-     //Set up a carousel for each
-     return this.each(function() {
-
-         var curr = 0;
-         var running = false;
-         var animCss = "margin-left";
-         var sizeCss = "width";
-         var div = $(this);
-
-         var nav = $(o.nav_id, div);
-         var nav_li = $("li", nav);
-         var nav_size = nav_li.size();
-         var frame = div.find(o.frame_id);
-         var content_width = $(frame).find('ul').width();
-         //Buttons
-         $(nav_li).click(function(e) {
+(function($) {
+  $.fn.dacTabbedList = function(o) {
+
+    //Options - see above
+    o = $.extend({
+      speed : 250,
+      easing: null,
+      nav_id: null,
+      frame_id: null
+    }, o || {});
+
+    //Set up a carousel for each
+    return this.each(function() {
+
+      var curr = 0;
+      var running = false;
+      var animCss = "margin-left";
+      var sizeCss = "width";
+      var div = $(this);
+
+      var nav = $(o.nav_id, div);
+      var nav_li = $("li", nav);
+      var nav_size = nav_li.size();
+      var frame = div.find(o.frame_id);
+      var content_width = $(frame).find('ul').width();
+      //Buttons
+      $(nav_li).click(function(e) {
            go($(nav_li).index($(this)));
          })
 
-         //Go to an item
-         function go(to) {
-             if(!running) {
-                 curr = to;
-                 running = true;
+      //Go to an item
+      function go(to) {
+        if (!running) {
+          curr = to;
+          running = true;
 
-                 frame.animate({ 'margin-left' : -(curr*content_width) }, o.speed, o.easing,
+          frame.animate({'margin-left' : -(curr * content_width)}, o.speed, o.easing,
                      function() {
-                         running = false;
+                       running = false;
                      }
                  );
 
+          nav_li.removeClass('active');
+          nav_li.eq(to).addClass('active');
 
-                 nav_li.removeClass('active');
-                 nav_li.eq(to).addClass('active');
-
-
-             }
-             return false;
-         };
-     });
- };
-
- function css(el, prop) {
-     return parseInt($.css(el[0], prop)) || 0;
- };
- function width(el) {
-     return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
- };
- function height(el) {
-     return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
- };
-
- })(jQuery);
-
-
+        }
+        return false;
+      };
+    });
+  };
 
+  function css(el, prop) {
+    return parseInt($.css(el[0], prop)) || 0;
+  };
+  function width(el) {
+    return el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
+  };
+  function height(el) {
+    return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
+  };
 
+})(jQuery);
 
 /* ######################################################## */
-/* ################  SEARCH SUGGESTIONS  ################## */
+/* #################  JAVADOC REFERENCE ################### */
 /* ######################################################## */
 
 
 
-var gSelectedIndex = -1;  // the index position of currently highlighted suggestion
-var gSelectedColumn = -1;  // which column of suggestion lists is currently focused
-
-var gMatches = new Array();
-var gLastText = "";
-var gInitialized = false;
-var ROW_COUNT_FRAMEWORK = 20;       // max number of results in list
-var gListLength = 0;
-
-
-var gGoogleMatches = new Array();
-var ROW_COUNT_GOOGLE = 15;          // max number of results in list
-var gGoogleListLength = 0;
+var API_LEVEL_COOKIE = "api_level";
+var minLevel = 1;
+var maxLevel = 1;
 
-var gDocsMatches = new Array();
-var ROW_COUNT_DOCS = 100;          // max number of results in list
-var gDocsListLength = 0;
+function buildApiLevelSelector() {
+  maxLevel = API_LEVELS.length;
+  var userApiLevel = parseInt(readCookie(API_LEVEL_COOKIE));
+  userApiLevel = userApiLevel == 0 ? maxLevel : userApiLevel; // If there's no cookie (zero), use the max by default
 
-function onSuggestionClick(link) {
-  // When user clicks a suggested document, track it
-  ga('send', 'event', 'Suggestion Click', 'clicked: ' + $(link).attr('href'),
-                'query: ' + $("#search_autocomplete").val().toLowerCase());
-}
+  minLevel = parseInt($("#doc-api-level").attr("class"));
+  // Handle provisional api levels; the provisional level will always be the highest possible level
+  // Provisional api levels will also have a length; other stuff that's just missing a level won't,
+  // so leave those kinds of entities at the default level of 1 (for example, the R.styleable class)
+  if (isNaN(minLevel) && minLevel.length) {
+    minLevel = maxLevel;
+  }
+  var select = $("#apiLevelSelector").html("").change(changeApiLevel);
+  for (var i = maxLevel - 1; i >= 0; i--) {
+    var option = $("<option />").attr("value", "" + API_LEVELS[i]).append("" + API_LEVELS[i]);
+    //  if (API_LEVELS[i] < minLevel) option.addClass("absent"); // always false for strings (codenames)
+    select.append(option);
+  }
 
-function set_item_selected($li, selected)
-{
-    if (selected) {
-        $li.attr('class','jd-autocomplete jd-selected');
-    } else {
-        $li.attr('class','jd-autocomplete');
-    }
+  // get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
+  var selectedLevelItem = $("#apiLevelSelector option[value='" + userApiLevel + "']").get(0);
+  selectedLevelItem.setAttribute('selected', true);
 }
 
-function set_item_values(toroot, $li, match)
-{
-    var $link = $('a',$li);
-    $link.html(match.__hilabel || match.label);
-    $link.attr('href',toroot + match.link);
-}
+function changeApiLevel() {
+  maxLevel = API_LEVELS.length;
+  minLevel = parseInt($('#doc-api-level').attr('class'));
+  var selectedLevel = maxLevel;
 
-function set_item_values_jd(toroot, $li, match)
-{
-    var $link = $('a',$li);
-    $link.html(match.title);
-    $link.attr('href',toroot + match.url);
-}
+  selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
+  toggleVisisbleApis(selectedLevel, "body");
 
-function new_suggestion($list) {
-    var $li = $("<li class='jd-autocomplete'></li>");
-    $list.append($li);
+  writeCookie(API_LEVEL_COOKIE, selectedLevel, null);
 
-    $li.mousedown(function() {
-        window.location = this.firstChild.getAttribute("href");
-    });
-    $li.mouseover(function() {
-        $('.search_filtered_wrapper li').removeClass('jd-selected');
-        $(this).addClass('jd-selected');
-        gSelectedColumn = $(".search_filtered:visible").index($(this).closest('.search_filtered'));
-        gSelectedIndex = $("li", $(".search_filtered:visible")[gSelectedColumn]).index(this);
-    });
-    $li.append("<a onclick='onSuggestionClick(this)'></a>");
-    $li.attr('class','show-item');
-    return $li;
+  if (selectedLevel < minLevel) {
+      // Show the API notice dialog, set number values and button event
+      $('#api-unavailable').trigger('modal-open');
+      $('#api-unavailable .selected-level').text(selectedLevel);
+      $('#api-unavailable .api-level').text(minLevel);
+      $('#api-unavailable button.ok').attr('onclick','$("#apiLevelSelector").val("' + minLevel + '");changeApiLevel();');
+  }
 }
 
-function sync_selection_table(toroot)
-{
-    var $li; //list item jquery object
-    var i; //list item iterator
+function toggleVisisbleApis(selectedLevel, context) {
+  var apis = $(".api", context);
+  apis.each(function(i) {
+    var obj = $(this);
+    var className = obj.attr("class");
+    var apiLevelIndex = className.lastIndexOf("-") + 1;
+    var apiLevelEndIndex = className.indexOf(" ", apiLevelIndex);
+    apiLevelEndIndex = apiLevelEndIndex != -1 ? apiLevelEndIndex : className.length;
+    var apiLevel = className.substring(apiLevelIndex, apiLevelEndIndex);
+    if (apiLevel.length == 0) { // for odd cases when the since data is actually missing, just bail
+      return;
+    }
+    apiLevel = parseInt(apiLevel);
 
-    // if there are NO results at all, hide all columns
-    if (!(gMatches.length > 0) && !(gGoogleMatches.length > 0) && !(gDocsMatches.length > 0)) {
-        $('.suggest-card').hide(300);
-        return;
+    // Handle provisional api levels; if this item's level is the provisional one, set it to the max
+    var selectedLevelNum = parseInt(selectedLevel)
+    var apiLevelNum = parseInt(apiLevel);
+    if (isNaN(apiLevelNum)) {
+      apiLevelNum = maxLevel;
     }
 
-    // if there are api results
-    if ((gMatches.length > 0) || (gGoogleMatches.length > 0)) {
-      // reveal suggestion list
-      $('.suggest-card.dummy').show();
-      $('.suggest-card.reference').show();
-      var listIndex = 0; // list index position
+    // Grey things out that aren't available and give a tooltip title
+    if (apiLevelNum > selectedLevelNum) {
+      obj.addClass("absent").attr("title", "Requires API Level \"" +
+            apiLevel + "\" or higher. To reveal, change the target API level " +
+              "above the left navigation.");
+    } else obj.removeClass("absent").removeAttr("title");
+  });
+}
 
-      // reset the lists
-      $(".search_filtered_wrapper.reference li").remove();
+/* #################  SIDENAV TREE VIEW ################### */
+/* TODO: eliminate redundancy with non-google functions */
+function init_google_navtree(navtree_id, toroot, root_nodes) {
+  var me = new Object();
+  me.toroot = toroot;
+  me.node = new Object();
 
-      // ########### ANDROID RESULTS #############
-      if (gMatches.length > 0) {
+  me.node.li = document.getElementById(navtree_id);
+  if (!me.node.li) {
+    return;
+  }
 
-          // determine android results to show
-          gListLength = gMatches.length < ROW_COUNT_FRAMEWORK ?
-                        gMatches.length : ROW_COUNT_FRAMEWORK;
-          for (i=0; i<gListLength; i++) {
-              var $li = new_suggestion($(".suggest-card.reference ul"));
-              set_item_values(toroot, $li, gMatches[i]);
-              set_item_selected($li, i == gSelectedIndex);
-          }
-      }
+  me.node.children_data = root_nodes;
+  me.node.children = new Array();
+  me.node.children_ul = document.createElement("ul");
+  me.node.get_children_ul = function() { return me.node.children_ul; };
+  //me.node.children_ul.className = "children_ul";
+  me.node.li.appendChild(me.node.children_ul);
+  me.node.depth = 0;
 
-      // ########### GOOGLE RESULTS #############
-      if (gGoogleMatches.length > 0) {
-          // show header for list
-          $(".suggest-card.reference ul").append("<li class='header'>in Google Services:</li>");
-
-          // determine google results to show
-          gGoogleListLength = gGoogleMatches.length < ROW_COUNT_GOOGLE ? gGoogleMatches.length : ROW_COUNT_GOOGLE;
-          for (i=0; i<gGoogleListLength; i++) {
-              var $li = new_suggestion($(".suggest-card.reference ul"));
-              set_item_values(toroot, $li, gGoogleMatches[i]);
-              set_item_selected($li, i == gSelectedIndex);
-          }
-      }
-    } else {
-      $('.suggest-card.reference').hide();
-      $('.suggest-card.dummy').hide();
-    }
-
-    // ########### JD DOC RESULTS #############
-    if (gDocsMatches.length > 0) {
-        // reset the lists
-        $(".search_filtered_wrapper.docs li").remove();
-
-        // determine google results to show
-        // NOTE: The order of the conditions below for the sugg.type MUST BE SPECIFIC:
-        // The order must match the reverse order that each section appears as a card in
-        // the suggestion UI... this may be only for the "develop" grouped items though.
-        gDocsListLength = gDocsMatches.length < ROW_COUNT_DOCS ? gDocsMatches.length : ROW_COUNT_DOCS;
-        for (i=0; i<gDocsListLength; i++) {
-            var sugg = gDocsMatches[i];
-            var $li;
-            if (sugg.type == "design") {
-                $li = new_suggestion($(".suggest-card.design ul"));
-            } else
-            if (sugg.type == "distribute") {
-                $li = new_suggestion($(".suggest-card.distribute ul"));
-            } else
-            if (sugg.type == "samples") {
-                $li = new_suggestion($(".suggest-card.develop .child-card.samples"));
-            } else
-            if (sugg.type == "training") {
-                $li = new_suggestion($(".suggest-card.develop .child-card.training"));
-            } else
-            if (sugg.type == "about"||"guide"||"tools"||"google") {
-                $li = new_suggestion($(".suggest-card.develop .child-card.guides"));
-            } else {
-              continue;
-            }
+  get_google_node(me, me.node);
+}
 
-            set_item_values_jd(toroot, $li, sugg);
-            set_item_selected($li, i == gSelectedIndex);
-        }
+function new_google_node(me, mom, text, link, children_data, api_level) {
+  var node = new Object();
+  var child;
+  node.children = Array();
+  node.children_data = children_data;
+  node.depth = mom.depth + 1;
+  node.get_children_ul = function() {
+      if (!node.children_ul) {
+        node.children_ul = document.createElement("ul");
+        node.children_ul.className = "tree-list-children";
+        node.li.appendChild(node.children_ul);
+      }
+      return node.children_ul;
+    };
+  node.li = document.createElement("li");
 
-        // add heading and show or hide card
-        if ($(".suggest-card.design li").length > 0) {
-          $(".suggest-card.design ul").prepend("<li class='header'>Design:</li>");
-          $(".suggest-card.design").show(300);
-        } else {
-          $('.suggest-card.design').hide(300);
-        }
-        if ($(".suggest-card.distribute li").length > 0) {
-          $(".suggest-card.distribute ul").prepend("<li class='header'>Distribute:</li>");
-          $(".suggest-card.distribute").show(300);
-        } else {
-          $('.suggest-card.distribute').hide(300);
-        }
-        if ($(".child-card.guides li").length > 0) {
-          $(".child-card.guides").prepend("<li class='header'>Guides:</li>");
-          $(".child-card.guides li").appendTo(".suggest-card.develop ul");
-        }
-        if ($(".child-card.training li").length > 0) {
-          $(".child-card.training").prepend("<li class='header'>Training:</li>");
-          $(".child-card.training li").appendTo(".suggest-card.develop ul");
-        }
-        if ($(".child-card.samples li").length > 0) {
-          $(".child-card.samples").prepend("<li class='header'>Samples:</li>");
-          $(".child-card.samples li").appendTo(".suggest-card.develop ul");
-        }
+  mom.get_children_ul().appendChild(node.li);
 
-        if ($(".suggest-card.develop li").length > 0) {
-          $(".suggest-card.develop").show(300);
-        } else {
-          $('.suggest-card.develop').hide(300);
-        }
+  if (link) {
+    child = document.createElement("a");
 
-    } else {
-      $('.search_filtered_wrapper.docs .suggest-card:not(.dummy)').hide(300);
-    }
-}
+  } else {
+    child = document.createElement("span");
+    child.className = "tree-list-subtitle";
 
-/** Called by the search input's onkeydown and onkeyup events.
-  * Handles navigation with keyboard arrows, Enter key to invoke search,
-  * otherwise invokes search suggestions on key-up event.
-  * @param e       The JS event
-  * @param kd      True if the event is key-down
-  * @param toroot  A string for the site's root path
-  * @returns       True if the event should bubble up
+  }
+  if (children_data != null) {
+    node.li.className = "nav-section";
+    node.label_div = document.createElement("div");
+    node.label_div.className = "nav-section-header-ref";
+    node.li.appendChild(node.label_div);
+    get_google_node(me, node);
+    node.label_div.appendChild(child);
+  } else {
+    node.li.appendChild(child);
+  }
+  if (link) {
+    child.href = me.toroot + link;
+  }
+  node.label = document.createTextNode(text);
+  child.appendChild(node.label);
+
+  node.children_ul = null;
+
+  return node;
+}
+
+function get_google_node(me, mom) {
+  mom.children_visited = true;
+  var linkText;
+  for (var i in mom.children_data) {
+    var node_data = mom.children_data[i];
+    linkText = node_data[0];
+
+    if (linkText.match("^" + "com.google.android") == "com.google.android") {
+      linkText = linkText.substr(19, linkText.length);
+    }
+    mom.children[i] = new_google_node(me, mom, linkText, node_data[1],
+        node_data[2], node_data[3]);
+  }
+}
+
+/****** NEW version of script to build google and sample navs dynamically ******/
+// TODO: update Google reference docs to tolerate this new implementation
+
+var NODE_NAME = 0;
+var NODE_HREF = 1;
+var NODE_GROUP = 2;
+var NODE_TAGS = 3;
+var NODE_CHILDREN = 4;
+
+function init_google_navtree2(navtree_id, data) {
+  var $containerUl = $("#" + navtree_id);
+  for (var i in data) {
+    var node_data = data[i];
+    $containerUl.append(new_google_node2(node_data));
+  }
+
+  // Make all third-generation list items 'sticky' to prevent them from collapsing
+  $containerUl.find('li li li.nav-section').addClass('sticky');
+
+  initExpandableNavItems("#" + navtree_id);
+}
+
+function new_google_node2(node_data) {
+  var linkText = node_data[NODE_NAME];
+  if (linkText.match("^" + "com.google.android") == "com.google.android") {
+    linkText = linkText.substr(19, linkText.length);
+  }
+  var $li = $('<li>');
+  var $a;
+  if (node_data[NODE_HREF] != null) {
+    $a = $('<a href="' + toRoot + node_data[NODE_HREF] + '" title="' + linkText + '" >' +
+        linkText + '</a>');
+  } else {
+    $a = $('<a href="#" onclick="return false;" title="' + linkText + '" >' +
+        linkText + '/</a>');
+  }
+  var $childUl = $('<ul>');
+  if (node_data[NODE_CHILDREN] != null) {
+    $li.addClass("nav-section");
+    $a = $('<div class="nav-section-header">').append($a);
+    if (node_data[NODE_HREF] == null) $a.addClass('empty');
+
+    for (var i in node_data[NODE_CHILDREN]) {
+      var child_node_data = node_data[NODE_CHILDREN][i];
+      $childUl.append(new_google_node2(child_node_data));
+    }
+    $li.append($childUl);
+  }
+  $li.prepend($a);
+
+  return $li;
+}
+
+function showGoogleRefTree() {
+  init_default_google_navtree(toRoot);
+  init_default_gcm_navtree(toRoot);
+}
+
+function init_default_google_navtree(toroot) {
+  // load json file for navtree data
+  $.getScript(toRoot + 'gms_navtree_data.js', function(data, textStatus, jqxhr) {
+    // when the file is loaded, initialize the tree
+    if (jqxhr.status === 200) {
+      init_google_navtree("gms-tree-list", toroot, GMS_NAVTREE_DATA);
+      highlightSidenav();
+    }
+  });
+}
+
+function init_default_gcm_navtree(toroot) {
+  // load json file for navtree data
+  $.getScript(toRoot + 'gcm_navtree_data.js', function(data, textStatus, jqxhr) {
+    // when the file is loaded, initialize the tree
+    if (jqxhr.status === 200) {
+      init_google_navtree("gcm-tree-list", toroot, GCM_NAVTREE_DATA);
+      highlightSidenav();
+    }
+  });
+}
+
+/* TOGGLE INHERITED MEMBERS */
+
+/* Toggle an inherited class (arrow toggle)
+ * @param linkObj  The link that was clicked.
+ * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
+ *                'null' to simply toggle.
+ */
+function toggleInherited(linkObj, expand) {
+  var base = linkObj.getAttribute("id");
+  var list = document.getElementById(base + "-list");
+  var summary = document.getElementById(base + "-summary");
+  var trigger = document.getElementById(base + "-trigger");
+  var a = $(linkObj);
+  if ((expand == null && a.hasClass("closed")) || expand) {
+    list.style.display = "none";
+    summary.style.display = "block";
+    trigger.src = toRoot + "assets/images/styles/disclosure_up.png";
+    a.removeClass("closed");
+    a.addClass("opened");
+  } else if ((expand == null && a.hasClass("opened")) || (expand == false)) {
+    list.style.display = "block";
+    summary.style.display = "none";
+    trigger.src = toRoot + "assets/images/styles/disclosure_down.png";
+    a.removeClass("opened");
+    a.addClass("closed");
+  }
+  return false;
+}
+
+/* Toggle all inherited classes in a single table (e.g. all inherited methods)
+ * @param linkObj  The link that was clicked.
+ * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
+ *                'null' to simply toggle.
+ */
+function toggleAllInherited(linkObj, expand) {
+  var a = $(linkObj);
+  var table = $(a.parent().parent().parent()); // ugly way to get table/tbody
+  var expandos = $(".jd-expando-trigger", table);
+  if ((expand == null && a.text() == "[Expand]") || expand) {
+    expandos.each(function(i) {
+      toggleInherited(this, true);
+    });
+    a.text("[Collapse]");
+  } else if ((expand == null && a.text() == "[Collapse]") || (expand == false)) {
+    expandos.each(function(i) {
+      toggleInherited(this, false);
+    });
+    a.text("[Expand]");
+  }
+  return false;
+}
+
+/* Toggle all inherited members in the class (link in the class title)
+ */
+function toggleAllClassInherited() {
+  var a = $("#toggleAllClassInherited"); // get toggle link from class title
+  var toggles = $(".toggle-all", $("#body-content"));
+  if (a.text() == "[Expand All]") {
+    toggles.each(function(i) {
+      toggleAllInherited(this, true);
+    });
+    a.text("[Collapse All]");
+  } else {
+    toggles.each(function(i) {
+      toggleAllInherited(this, false);
+    });
+    a.text("[Expand All]");
+  }
+  return false;
+}
+
+/* Expand all inherited members in the class. Used when initiating page search */
+function ensureAllInheritedExpanded() {
+  var toggles = $(".toggle-all", $("#body-content"));
+  toggles.each(function(i) {
+    toggleAllInherited(this, true);
+  });
+  $("#toggleAllClassInherited").text("[Collapse All]");
+}
+
+/* HANDLE KEY EVENTS
+ * - Listen for Ctrl+F (Cmd on Mac) and expand all inherited members (to aid page search)
+ */
+var agent = navigator['userAgent'].toLowerCase();
+var mac = agent.indexOf("macintosh") != -1;
+
+$(document).keydown(function(e) {
+  var control = mac ? e.metaKey && !e.ctrlKey : e.ctrlKey; // get ctrl key
+  if (control && e.which == 70) {  // 70 is "F"
+    ensureAllInheritedExpanded();
+  }
+});
+
+/* On-demand functions */
+
+/** Move sample code line numbers out of PRE block and into non-copyable column */
+function initCodeLineNumbers() {
+  var numbers = $("#codesample-block a.number");
+  if (numbers.length) {
+    $("#codesample-line-numbers").removeClass("hidden").append(numbers);
+  }
+
+  $(document).ready(function() {
+    // select entire line when clicked
+    $("span.code-line").click(function() {
+      if (!shifted) {
+        selectText(this);
+      }
+    });
+    // invoke line link on double click
+    $(".code-line").dblclick(function() {
+      document.location.hash = $(this).attr('id');
+    });
+    // highlight the line when hovering on the number
+    $("#codesample-line-numbers a.number").mouseover(function() {
+      var id = $(this).attr('href');
+      $(id).css('background', '#e7e7e7');
+    });
+    $("#codesample-line-numbers a.number").mouseout(function() {
+      var id = $(this).attr('href');
+      $(id).css('background', 'none');
+    });
+  });
+}
+
+// create SHIFT key binder to avoid the selectText method when selecting multiple lines
+var shifted = false;
+$(document).bind('keyup keydown', function(e) {
+  shifted = e.shiftKey; return true;
+});
+
+// courtesy of jasonedelman.com
+function selectText(element) {
+  var doc = document      ,
+        range, selection
+  ;
+  if (doc.body.createTextRange) { //ms
+    range = doc.body.createTextRange();
+    range.moveToElementText(element);
+    range.select();
+  } else if (window.getSelection) { //all others
+    selection = window.getSelection();
+    range = doc.createRange();
+    range.selectNodeContents(element);
+    selection.removeAllRanges();
+    selection.addRange(range);
+  }
+}
+
+/** Display links and other information about samples that match the
+    group specified by the URL */
+function showSamples() {
+  var group = $("#samples").attr('class');
+  $("#samples").html("<p>Here are some samples for <b>" + group + "</b> apps:</p>");
+
+  var $ul = $("<ul>");
+  $selectedLi = $("#nav li.selected");
+
+  $selectedLi.children("ul").children("li").each(function() {
+    var $li = $("<li>").append($(this).find("a").first().clone());
+    var $samplesLink = $li.find("a");
+    if ($samplesLink.text().endsWith('/')) {
+      $samplesLink.text($samplesLink.text().slice(0,-1));
+    }
+    $ul.append($li);
+  });
+
+  $("#samples").append($ul);
+
+}
+
+/* ########################################################## */
+/* ###################  RESOURCE CARDS  ##################### */
+/* ########################################################## */
+
+/** Handle resource queries, collections, and grids (sections). Requires
+    jd_tag_helpers.js and the *_unified_data.js to be loaded. */
+
+(function() {
+  $(document).ready(function() {
+    // Need to initialize hero carousel before other sections for dedupe
+    // to work correctly.
+    $('[data-carousel-query]').dacCarouselQuery();
+
+    // Iterate over all instances and initialize a resource widget.
+    $('.resource-widget').resourceWidget();
+  });
+
+  $.fn.widgetOptions = function() {
+    return {
+      cardSizes: (this.data('cardsizes') || '').split(','),
+      maxResults: parseInt(this.data('maxresults'), 10) || Infinity,
+      initialResults: this.data('initialResults'),
+      itemsPerPage: this.data('itemsPerPage'),
+      sortOrder: this.data('sortorder'),
+      query: this.data('query'),
+      section: this.data('section'),
+      /* Added by LFL 6/6/14 */
+      resourceStyle: this.data('resourcestyle') || 'card',
+      stackSort: this.data('stacksort') || 'true',
+      // For filter based resources
+      allowDuplicates: this.data('allow-duplicates') || 'false'
+    };
+  };
+
+  $.fn.deprecateOldGridStyles = function() {
+    var m = this.get(0).className.match(/\bcol-(\d+)\b/);
+    if (m && !this.is('.cols > *')) {
+      this.removeClass('col-' + m[1]);
+    }
+    return this;
+  }
+
+  /*
+   * Three types of resource layouts:
+   * Flow - Uses a fixed row-height flow using float left style.
+   * Carousel - Single card slideshow all same dimension absolute.
+   * Stack - Uses fixed columns and flexible element height.
+   */
+  function initResourceWidget(widget, resources, opts) {
+    var $widget = $(widget).deprecateOldGridStyles();
+    var isFlow = $widget.hasClass('resource-flow-layout');
+    var isCarousel = $widget.hasClass('resource-carousel-layout');
+    var isStack = $widget.hasClass('resource-stack-layout');
+
+    opts = opts || $widget.widgetOptions();
+    resources = resources || metadata.query(opts);
+
+    if (opts.maxResults !== undefined) {
+      resources = resources.slice(0, opts.maxResults);
+    }
+
+    if (isFlow) {
+      drawResourcesFlowWidget($widget, opts, resources);
+    } else if (isCarousel) {
+      drawResourcesCarouselWidget($widget, opts, resources);
+    } else if (isStack) {
+      opts.numStacks = $widget.data('numstacks');
+      drawResourcesStackWidget($widget, opts, resources);
+    }
+  }
+
+  $.fn.resourceWidget = function(resources, options) {
+    return this.each(function() {
+      initResourceWidget(this, resources, options);
+    });
+  };
+
+  /* Initializes a Resource Carousel Widget */
+  function drawResourcesCarouselWidget($widget, opts, resources) {
+    $widget.empty();
+    var plusone = false; // stop showing plusone buttons on cards
+
+    $widget.addClass('resource-card slideshow-container')
+      .append($('<a>').addClass('slideshow-prev').text('Prev'))
+      .append($('<a>').addClass('slideshow-next').text('Next'));
+
+    var css = {'width': $widget.width() + 'px',
+                'height': $widget.height() + 'px'};
+
+    var $ul = $('<ul>');
+
+    for (var i = 0; i < resources.length; ++i) {
+      var $card = $('<a>')
+        .attr('href', cleanUrl(resources[i].url))
+        .decorateResourceCard(resources[i], plusone);
+
+      $('<li>').css(css)
+          .append($card)
+          .appendTo($ul);
+    }
+
+    $('<div>').addClass('frame')
+      .append($ul)
+      .appendTo($widget);
+
+    $widget.dacSlideshow({
+      auto: true,
+      btnPrev: '.slideshow-prev',
+      btnNext: '.slideshow-next'
+    });
+  }
+
+  /* Initializes a Resource Card Stack Widget (column-based layout)
+     Modified by LFL 6/6/14
+   */
+  function drawResourcesStackWidget($widget, opts, resources, sections) {
+    // Don't empty widget, grab all items inside since they will be the first
+    // items stacked, followed by the resource query
+    var plusone = false; // stop showing plusone buttons on cards
+    var cards = $widget.find('.resource-card').detach().toArray();
+    var numStacks = opts.numStacks || 1;
+    var $stacks = [];
+
+    for (var i = 0; i < numStacks; ++i) {
+      $stacks[i] = $('<div>').addClass('resource-card-stack')
+          .appendTo($widget);
+    }
+
+    var sectionResources = [];
+
+    // Extract any subsections that are actually resource cards
+    if (sections) {
+      for (i = 0; i < sections.length; ++i) {
+        if (!sections[i].sections || !sections[i].sections.length) {
+          // Render it as a resource card
+          sectionResources.push(
+            $('<a>')
+              .addClass('resource-card section-card')
+              .attr('href', cleanUrl(sections[i].resource.url))
+              .decorateResourceCard(sections[i].resource, plusone)[0]
+          );
+
+        } else {
+          cards.push(
+            $('<div>')
+              .addClass('resource-card section-card-menu')
+              .decorateResourceSection(sections[i], plusone)[0]
+          );
+        }
+      }
+    }
+
+    cards = cards.concat(sectionResources);
+
+    for (i = 0; i < resources.length; ++i) {
+      var $card = createResourceElement(resources[i], opts);
+
+      if (opts.resourceStyle.indexOf('related') > -1) {
+        $card.addClass('related-card');
+      }
+
+      cards.push($card[0]);
+    }
+
+    if (opts.stackSort !== 'false') {
+      for (i = 0; i < cards.length; ++i) {
+        // Find the stack with the shortest height, but give preference to
+        // left to right order.
+        var minHeight = $stacks[0].height();
+        var minIndex = 0;
+
+        for (var j = 1; j < numStacks; ++j) {
+          var height = $stacks[j].height();
+          if (height < minHeight - 45) {
+            minHeight = height;
+            minIndex = j;
+          }
+        }
+
+        $stacks[minIndex].append($(cards[i]));
+      }
+    }
+  }
+
+  /*
+    Create a resource card using the given resource object and a list of html
+     configured options. Returns a jquery object containing the element.
+  */
+  function createResourceElement(resource, opts, plusone) {
+    var $el;
+
+    // The difference here is that generic cards are not entirely clickable
+    // so its a div instead of an a tag, also the generic one is not given
+    // the resource-card class so it appears with a transparent background
+    // and can be styled in whatever way the css setup.
+    if (opts.resourceStyle === 'generic') {
+      $el = $('<div>')
+        .addClass('resource')
+        .attr('href', cleanUrl(resource.url))
+        .decorateResource(resource, opts);
+    } else {
+      var cls = 'resource resource-card';
+
+      $el = $('<a>')
+        .addClass(cls)
+        .attr('href', cleanUrl(resource.url))
+        .decorateResourceCard(resource, plusone);
+    }
+
+    return $el;
+  }
+
+  function createResponsiveFlowColumn(cardSize) {
+    var cardWidth = parseInt(cardSize.match(/(\d+)/)[1], 10);
+    var column = $('<div>').addClass('col-' + (cardWidth / 3) + 'of6');
+    if (cardWidth < 9) {
+      column.addClass('col-tablet-1of2');
+    } else if (cardWidth > 9 && cardWidth < 18) {
+      column.addClass('col-tablet-1of1');
+    }
+    if (cardWidth < 18) {
+      column.addClass('col-mobile-1of1');
+    }
+    return column;
+  }
+
+  /* Initializes a flow widget, see distribute.scss for generating accompanying css */
+  function drawResourcesFlowWidget($widget, opts, resources) {
+    // We'll be doing our own modifications to opts.
+    opts = $.extend({}, opts);
+
+    $widget.empty().addClass('cols');
+    if (opts.itemsPerPage) {
+      $('<div class="col-1of1 dac-section-links dac-text-center">')
+        .append(
+          $('<div class="dac-section-link dac-show-less" data-toggle="show-less">Less<i class="dac-sprite dac-auto-unfold-less"></i></div>'),
+          $('<div class="dac-section-link dac-show-more" data-toggle="show-more">More<i class="dac-sprite dac-auto-unfold-more"></i></div>')
+        )
+        .appendTo($widget);
+    }
+
+    $widget.data('options.resourceflow', opts);
+    $widget.data('resources.resourceflow', resources);
+
+    drawResourceFlowPage($widget, opts, resources);
+  }
+
+  function drawResourceFlowPage($widget, opts, resources) {
+    var cardSizes = opts.cardSizes || ['6x6']; // 2015-08-09: dynamic card sizes are deprecated
+    var i = opts.currentIndex || 0;
+    var j = 0;
+    var plusone = false; // stop showing plusone buttons on cards
+    var firstPage = i === 0;
+    var initialResults = opts.initialResults || opts.itemsPerPage || resources.length;
+    var max = firstPage ? initialResults : i + opts.itemsPerPage;
+    max = Math.min(resources.length, max);
+
+    var page = $('<div class="resource-flow-page">');
+    if (opts.itemsPerPage) {
+      $widget.find('.dac-section-links').before(page);
+    } else {
+      $widget.append(page);
+    }
+
+    while (i < max) {
+      var cardSize = cardSizes[j++ % cardSizes.length];
+      cardSize = cardSize.replace(/^\s+|\s+$/, '');
+
+      var column = createResponsiveFlowColumn(cardSize).appendTo(page);
+
+      // A stack has a third dimension which is the number of stacked items
+      var isStack = cardSize.match(/(\d+)x(\d+)x(\d+)/);
+      var stackCount = 0;
+      var $stackDiv = null;
+
+      if (isStack) {
+        // Create a stack container which should have the dimensions defined
+        // by the product of the items inside.
+        $stackDiv = $('<div>').addClass('resource-card-stack resource-card-' + isStack[1] +
+          'x' + isStack[2] * isStack[3]) .appendTo(column);
+      }
+
+      // Build each stack item or just a single item
+      do {
+        var resource = resources[i];
+
+        var $card = createResourceElement(resources[i], opts, plusone);
+
+        $card.addClass('resource-card-' + cardSize +
+          ' resource-card-' + resource.type.toLowerCase());
+
+        if (isStack) {
+          $card.addClass('resource-card-' + isStack[1] + 'x' + isStack[2]);
+          if (++stackCount === parseInt(isStack[3])) {
+            $card.addClass('resource-card-row-stack-last');
+            stackCount = 0;
+          }
+        } else {
+          stackCount = 0;
+        }
+
+        $card.appendTo($stackDiv || column);
+
+      } while (++i < max && stackCount > 0);
+
+      // Record number of pages viewed in analytics.
+      if (!firstPage) {
+        var clicks = Math.ceil((i - initialResults) / opts.itemsPerPage);
+        devsite.analytics.trackAnalyticsEvent('event',
+            'Cards', 'Click More', clicks);
+      }
+    }
+
+    opts.currentIndex = i;
+    $widget.toggleClass('dac-has-more', i < resources.length);
+    $widget.toggleClass('dac-has-less', !firstPage);
+
+    $widget.trigger('dac:domchange');
+    if (opts.onRenderPage) {
+      opts.onRenderPage(page);
+    }
+  }
+
+  function drawResourceFlowReset($widget, opts, resources) {
+    $widget.find('.resource-flow-page')
+        .slice(1)
+        .remove();
+    $widget.toggleClass('dac-has-more', true);
+    $widget.toggleClass('dac-has-less', false);
+
+    opts.currentIndex = Math.min(opts.initialResults, resources.length);
+    devsite.analytics.trackAnalyticsEvent('event', 'Cards', 'Click Less');
+  }
+
+  /* A decorator for event functions which finds the surrounding widget and it's options */
+  function wrapWithWidget(func) {
+    return function(e) {
+      if (e) e.preventDefault();
+
+      var $widget = $(this).closest('.resource-flow-layout');
+      var opts = $widget.data('options.resourceflow');
+      var resources = $widget.data('resources.resourceflow');
+      func($widget, opts, resources);
+    };
+  }
+
+  /* Build a site map of resources using a section as a root. */
+  function buildSectionList(opts) {
+    if (opts.section && SECTION_BY_ID[opts.section]) {
+      return SECTION_BY_ID[opts.section].sections || [];
+    }
+    return [];
+  }
+
+  function cleanUrl(url) {
+    if (url && url.indexOf('//') === -1) {
+      url = toRoot + url;
+    }
+
+    return url;
+  }
+
+  // Delegated events for resources.
+  $(document).on('click', '.resource-flow-layout [data-toggle="show-more"]', wrapWithWidget(drawResourceFlowPage));
+  $(document).on('click', '.resource-flow-layout [data-toggle="show-less"]', wrapWithWidget(drawResourceFlowReset));
+})();
+
+(function($) {
+  // A mapping from category and type values to new values or human presentable strings.
+  var SECTION_MAP = {
+    googleplay: 'google play'
+  };
+
+  /*
+    Utility method for creating dom for the description area of a card.
+    Used in decorateResourceCard and decorateResource.
   */
-function search_changed(e, kd, toroot)
-{
-    var currentLang = getLangPref();
-    var search = document.getElementById("search_autocomplete");
-    var text = search.value.replace(/(^ +)|( +$)/g, '');
-    // get the ul hosting the currently selected item
-    gSelectedColumn = gSelectedColumn >= 0 ? gSelectedColumn :  0;
-    var $columns = $(".search_filtered_wrapper").find(".search_filtered:visible");
-    var $selectedUl = $columns[gSelectedColumn];
-
-    // show/hide the close button
-    if (text != '') {
-        $(".search .close").removeClass("hide");
+  function buildResourceCardDescription(resource, plusone) {
+    var $description = $('<div>').addClass('description ellipsis');
+
+    $description.append($('<div>').addClass('text').html(resource.summary));
+
+    if (resource.cta) {
+      $description.append($('<a>').addClass('cta').html(resource.cta));
+    }
+
+    if (plusone) {
+      var plusurl = resource.url.indexOf("//") > -1 ? resource.url :
+        "//developer.android.com/" + resource.url;
+
+      $description.append($('<div>').addClass('util')
+        .append($('<div>').addClass('g-plusone')
+          .attr('data-size', 'small')
+          .attr('data-align', 'right')
+          .attr('data-href', plusurl)));
+    }
+
+    return $description;
+  }
+
+  /* Simple jquery function to create dom for a standard resource card */
+  $.fn.decorateResourceCard = function(resource, plusone) {
+    var section = resource.category || resource.type;
+    section = (SECTION_MAP[section] || section).toLowerCase();
+    var imgUrl = resource.image ||
+      'assets/images/resource-card-default-android.jpg';
+
+    if (imgUrl.indexOf('//') === -1) {
+      imgUrl = toRoot + imgUrl;
+    }
+
+    if (resource.type === 'youtube' || resource.type === 'video') {
+      $('<div>').addClass('play-button')
+        .append($('<i class="dac-sprite dac-play-white">'))
+        .appendTo(this);
+    }
+
+    $('<div>').addClass('card-bg')
+      .css('background-image', 'url(' + (imgUrl || toRoot +
+        'assets/images/resource-card-default-android.jpg') + ')')
+      .appendTo(this);
+
+    $('<div>').addClass('card-info' + (!resource.summary ? ' empty-desc' : ''))
+      .append($('<div>').addClass('section').text(section))
+      .append($('<div>').addClass('title' + (resource.title_highlighted ? ' highlighted' : ''))
+        .html(resource.title_highlighted || resource.title))
+      .append(buildResourceCardDescription(resource, plusone))
+      .appendTo(this);
+
+    return this;
+  };
+
+  /* Simple jquery function to create dom for a resource section card (menu) */
+  $.fn.decorateResourceSection = function(section, plusone) {
+    var resource = section.resource;
+    //keep url clean for matching and offline mode handling
+    var urlPrefix = resource.image.indexOf("//") > -1 ? "" : toRoot;
+    var $base = $('<a>')
+        .addClass('card-bg')
+        .attr('href', resource.url)
+        .append($('<div>').addClass('card-section-icon')
+          .append($('<div>').addClass('icon'))
+          .append($('<div>').addClass('section').html(resource.title)))
+      .appendTo(this);
+
+    var $cardInfo = $('<div>').addClass('card-info').appendTo(this);
+
+    if (section.sections && section.sections.length) {
+      // Recurse the section sub-tree to find a resource image.
+      var stack = [section];
+
+      while (stack.length) {
+        if (stack[0].resource.image) {
+          $base.css('background-image', 'url(' + urlPrefix + stack[0].resource.image + ')');
+          break;
+        }
+
+        if (stack[0].sections) {
+          stack = stack.concat(stack[0].sections);
+        }
+
+        stack.shift();
+      }
+
+      var $ul = $('<ul>')
+        .appendTo($cardInfo);
+
+      var max = section.sections.length > 3 ? 3 : section.sections.length;
+
+      for (var i = 0; i < max; ++i) {
+
+        var subResource = section.sections[i];
+        if (!plusone) {
+          $('<li>')
+            .append($('<a>').attr('href', subResource.url)
+              .append($('<div>').addClass('title').html(subResource.title))
+              .append($('<div>').addClass('description ellipsis')
+                .append($('<div>').addClass('text').html(subResource.summary))
+                .append($('<div>').addClass('util'))))
+          .appendTo($ul);
+        } else {
+          $('<li>')
+            .append($('<a>').attr('href', subResource.url)
+              .append($('<div>').addClass('title').html(subResource.title))
+              .append($('<div>').addClass('description ellipsis')
+                .append($('<div>').addClass('text').html(subResource.summary))
+                .append($('<div>').addClass('util')
+                  .append($('<div>').addClass('g-plusone')
+                    .attr('data-size', 'small')
+                    .attr('data-align', 'right')
+                    .attr('data-href', resource.url)))))
+          .appendTo($ul);
+        }
+      }
+
+      // Add a more row
+      if (max < section.sections.length) {
+        $('<li>')
+          .append($('<a>').attr('href', resource.url)
+            .append($('<div>')
+              .addClass('title')
+              .text('More')))
+        .appendTo($ul);
+      }
     } else {
-        $(".search .close").addClass("hide");
-    }
-    // 27 = esc
-    if (e.keyCode == 27) {
-        // close all search results
-        if (kd) $('.search .close').trigger('click');
-        return true;
-    }
-    // 13 = enter
-    else if (e.keyCode == 13) {
-        if (gSelectedIndex < 0) {
-            $('.suggest-card').hide();
-            if ($("#searchResults").is(":hidden") && (search.value != "")) {
-              // if results aren't showing (and text not empty), return true to allow search to execute
-              $('body,html').animate({scrollTop:0}, '500', 'swing');
-              return true;
-            } else {
-              // otherwise, results are already showing, so allow ajax to auto refresh the results
-              // and ignore this Enter press to avoid the reload.
-              return false;
-            }
-        } else if (kd && gSelectedIndex >= 0) {
-            // click the link corresponding to selected item
-            $("a",$("li",$selectedUl)[gSelectedIndex]).get()[0].click();
-            return false;
+      // No sub-resources, just render description?
+    }
+
+    return this;
+  };
+
+  /* Render other types of resource styles that are not cards. */
+  $.fn.decorateResource = function(resource, opts) {
+    var imgUrl = resource.image ||
+      'assets/images/resource-card-default-android.jpg';
+    var linkUrl = resource.url;
+
+    if (imgUrl.indexOf('//') === -1) {
+      imgUrl = toRoot + imgUrl;
+    }
+
+    if (linkUrl && linkUrl.indexOf('//') === -1) {
+      linkUrl = toRoot + linkUrl;
+    }
+
+    $(this).append(
+      $('<div>').addClass('image')
+        .css('background-image', 'url(' + imgUrl + ')'),
+      $('<div>').addClass('info').append(
+        $('<h4>').addClass('title').html(resource.title_highlighted || resource.title),
+        $('<p>').addClass('summary').html(resource.summary),
+        $('<a>').attr('href', linkUrl).addClass('cta').html('Learn More')
+      )
+    );
+
+    return this;
+  };
+})(jQuery);
+
+/*
+  Fullscreen Carousel
+
+  The following allows for an area at the top of the page that takes over the
+  entire browser height except for its top offset and an optional bottom
+  padding specified as a data attribute.
+
+  HTML:
+
+  <div class="fullscreen-carousel">
+    <div class="fullscreen-carousel-content">
+      <!-- content here -->
+    </div>
+    <div class="fullscreen-carousel-content">
+      <!-- content here -->
+    </div>
+
+    etc ...
+
+  </div>
+
+  Control over how the carousel takes over the screen can mostly be defined in
+  a css file. Setting min-height on the .fullscreen-carousel-content elements
+  will prevent them from shrinking to far vertically when the browser is very
+  short, and setting max-height on the .fullscreen-carousel itself will prevent
+  the area from becoming to long in the case that the browser is stretched very
+  tall.
+
+  There is limited functionality for having multiple sections since that request
+  was removed, but it is possible to add .next-arrow and .prev-arrow elements to
+  scroll between multiple content areas.
+*/
+
+(function() {
+  $(document).ready(function() {
+    $('.fullscreen-carousel').each(function() {
+      initWidget(this);
+    });
+  });
+
+  function initWidget(widget) {
+    var $widget = $(widget);
+
+    var topOffset = $widget.offset().top;
+    var padBottom = parseInt($widget.data('paddingbottom')) || 0;
+    var maxHeight = 0;
+    var minHeight = 0;
+    var $content = $widget.find('.fullscreen-carousel-content');
+    var $nextArrow = $widget.find('.next-arrow');
+    var $prevArrow = $widget.find('.prev-arrow');
+    var $curSection = $($content[0]);
+
+    if ($content.length <= 1) {
+      $nextArrow.hide();
+      $prevArrow.hide();
+    } else {
+      $nextArrow.click(function() {
+        var index = ($content.index($curSection) + 1);
+        $curSection.hide();
+        $curSection = $($content[index >= $content.length ? 0 : index]);
+        $curSection.show();
+      });
+
+      $prevArrow.click(function() {
+        var index = ($content.index($curSection) - 1);
+        $curSection.hide();
+        $curSection = $($content[index < 0 ? $content.length - 1 : 0]);
+        $curSection.show();
+      });
+    }
+
+    // Just hide all content sections except first.
+    $content.each(function(index) {
+      if ($(this).height() > minHeight) minHeight = $(this).height();
+      $(this).css({position: 'absolute',  display: index > 0 ? 'none' : ''});
+    });
+
+    // Register for changes to window size, and trigger.
+    $(window).resize(resizeWidget);
+    resizeWidget();
+
+    function resizeWidget() {
+      var height = $(window).height() - topOffset - padBottom;
+      $widget.width($(window).width());
+      $widget.height(height < minHeight ? minHeight :
+        (maxHeight && height > maxHeight ? maxHeight : height));
+    }
+  }
+})();
+
+/*
+  Tab Carousel
+
+  The following allows tab widgets to be installed via the html below. Each
+  tab content section should have a data-tab attribute matching one of the
+  nav items'. Also each tab content section should have a width matching the
+  tab carousel.
+
+  HTML:
+
+  <div class="tab-carousel">
+    <ul class="tab-nav">
+      <li><a href="#" data-tab="handsets">Handsets</a>
+      <li><a href="#" data-tab="wearable">Wearable</a>
+      <li><a href="#" data-tab="tv">TV</a>
+    </ul>
+
+    <div class="tab-carousel-content">
+      <div data-tab="handsets">
+        <!--Full width content here-->
+      </div>
+
+      <div data-tab="wearable">
+        <!--Full width content here-->
+      </div>
+
+      <div data-tab="tv">
+        <!--Full width content here-->
+      </div>
+    </div>
+  </div>
+
+*/
+(function() {
+  $(document).ready(function() {
+    $('.tab-carousel').each(function() {
+      initWidget(this);
+    });
+  });
+
+  function initWidget(widget) {
+    var $widget = $(widget);
+    var $nav = $widget.find('.tab-nav');
+    var $anchors = $nav.find('[data-tab]');
+    var $li = $nav.find('li');
+    var $contentContainer = $widget.find('.tab-carousel-content');
+    var $tabs = $contentContainer.find('[data-tab]');
+    var $curTab = $($tabs[0]); // Current tab is first tab.
+    var width = $widget.width();
+
+    // Setup nav interactivity.
+    $anchors.click(function(evt) {
+      evt.preventDefault();
+      var query = '[data-tab=' + $(this).data('tab') + ']';
+      transitionWidget($tabs.filter(query));
+    });
+
+    // Add highlight for navigation on first item.
+    var $highlight = $('<div>').addClass('highlight')
+      .css({left:$li.position().left + 'px', width:$li.outerWidth() + 'px'})
+      .appendTo($nav);
+
+    // Store height since we will change contents to absolute.
+    $contentContainer.height($contentContainer.height());
+
+    // Absolutely position tabs so they're ready for transition.
+    $tabs.each(function(index) {
+      $(this).css({position: 'absolute', left: index > 0 ? width + 'px' : '0'});
+    });
+
+    function transitionWidget($toTab) {
+      if (!$curTab.is($toTab)) {
+        var curIndex = $tabs.index($curTab[0]);
+        var toIndex = $tabs.index($toTab[0]);
+        var dir = toIndex > curIndex ? 1 : -1;
+
+        // Animate content sections.
+        $toTab.css({left:(width * dir) + 'px'});
+        $curTab.animate({left:(width * -dir) + 'px'});
+        $toTab.animate({left:'0'});
+
+        // Animate navigation highlight.
+        $highlight.animate({left:$($li[toIndex]).position().left + 'px',
+          width:$($li[toIndex]).outerWidth() + 'px'})
+
+        // Store new current section.
+        $curTab = $toTab;
+      }
+    }
+  }
+})();
+
+/**
+ * Auto TOC
+ *
+ * Upgrades h2s on the page to have a rule and be toggle-able on mobile.
+ */
+(function($) {
+  var upgraded = false;
+  var h2Titles;
+
+  function initWidget() {
+    // add HRs below all H2s (except for a few other h2 variants)
+    // Consider doing this with css instead.
+    h2Titles = $('h2').not('#qv h2, #tb h2, .sidebox h2, #devdoc-nav h2, h2.norule');
+    h2Titles.css({paddingBottom:0}).after('<hr/>');
+
+    // Exit early if on older browser.
+    if (!window.matchMedia) {
+      return;
+    }
+
+    // Only run logic in mobile layout.
+    var query = window.matchMedia('(max-width: 719px)');
+    if (query.matches) {
+      makeTogglable();
+    } else {
+      query.addListener(makeTogglable);
+    }
+  }
+
+  function makeTogglable() {
+    // Only run this logic once.
+    if (upgraded) { return; }
+    upgraded = true;
+
+    // Only make content h2s togglable.
+    var contentTitles = h2Titles.filter('#jd-content *');
+
+    // If there are more than 1
+    if (contentTitles.size() < 2) {
+      return;
+    }
+
+    contentTitles.each(function() {
+      // Find all the relevant nodes.
+      var $title = $(this);
+      var $hr = $title.next();
+      var $contents = allNextUntil($hr[0], 'h2, .next-docs');
+      var $section = $($title)
+        .add($hr)
+        .add($title.prev('a[name]'))
+        .add($contents);
+      var $anchor = $section.first().prev();
+      var anchorMethod = 'after';
+      if ($anchor.length === 0) {
+        $anchor = $title.parent();
+        anchorMethod = 'prepend';
+      }
+
+      // Some h2s are in their own container making it pretty hard to find the end, so skip.
+      if ($contents.length === 0) {
+        return;
+      }
+
+      // Remove from DOM before messing with it. DOM is slow!
+      $section.detach();
+
+      // Add mobile-only expand arrows.
+      $title.prepend('<span class="dac-visible-mobile-inline-block">' +
+          '<i class="dac-toggle-expand dac-sprite dac-expand-more-black"></i>' +
+          '<i class="dac-toggle-collapse dac-sprite dac-expand-less-black"></i>' +
+          '</span>')
+        .attr('data-toggle', 'section');
+
+      // Wrap in magic markup.
+      $section = $section.wrapAll('<div class="dac-toggle dac-mobile">').parent();
+
+      // extra div used for max-height calculation.
+      $contents.wrapAll('<div class="dac-toggle-content dac-expand"><div>');
+
+      // Pre-expand section if requested.
+      if ($title.hasClass('is-expanded')) {
+        $section.addClass('is-expanded');
+      }
+
+      // Pre-expand section if targetted by hash.
+      if (location.hash && $section.find(location.hash).length) {
+        $section.addClass('is-expanded');
+      }
+
+      // Add it back to the dom.
+      $anchor[anchorMethod].call($anchor, $section);
+    });
+  }
+
+  // Similar to $.fn.nextUntil() except we need all nodes, jQuery skips text nodes.
+  function allNextUntil(elem, until) {
+    var matched = [];
+
+    while ((elem = elem.nextSibling) && elem.nodeType !== 9) {
+      if (elem.nodeType === 1 && jQuery(elem).is(until)) {
+        break;
+      }
+      matched.push(elem);
+    }
+    return $(matched);
+  }
+
+  $(function() {
+    initWidget();
+  });
+})(jQuery);
+
+(function($, window) {
+  'use strict';
+
+  // Blogger API info
+  var apiUrl = 'https://www.googleapis.com/blogger/v3';
+  var apiKey = 'AIzaSyCFhbGnjW06dYwvRCU8h_zjdpS4PYYbEe8';
+
+  // Blog IDs can be found in the markup of the blog posts
+  var blogs = {
+    'android-developers': {
+      id: '6755709643044947179',
+      title: 'Android Developers Blog'
+    }
+  };
+  var monthNames = ['January', 'February', 'March', 'April', 'May', 'June',
+      'July', 'August', 'September', 'October', 'November', 'December'];
+
+  var BlogReader = (function() {
+    var reader;
+
+    function BlogReader() {
+      this.doneSetup = false;
+    }
+
+    /**
+     * Initialize the blog reader and modal.
+     */
+    BlogReader.prototype.setup = function() {
+      $('#jd-content').append(
+          '<div id="blog-reader" data-modal="blog-reader" class="dac-modal dac-has-small-header">' +
+            '<div class="dac-modal-container">' +
+              '<div class="dac-modal-window">' +
+                '<header class="dac-modal-header">' +
+                  '<div class="dac-modal-header-actions">' +
+                    '<a href="" class="dac-modal-header-open" target="_blank">' +
+                      '<i class="dac-sprite dac-open-in-new"></i>' +
+                    '</a>' +
+                    '<button class="dac-modal-header-close" data-modal-toggle>' +
+                    '</button>' +
+                  '</div>' +
+                  '<h2 class="norule dac-modal-header-title"></h2>' +
+                '</header>' +
+                '<div class="dac-modal-content dac-blog-reader">' +
+                  '<time class="dac-blog-reader-date" pubDate></time>' +
+                  '<h3 class="dac-blog-reader-title"></h3>' +
+                  '<div class="dac-blog-reader-text clearfix"></div>' +
+                '</div>' +
+              '</div>' +
+            '</div>' +
+          '</div>');
+
+      this.blogReader = $('#blog-reader').dacModal();
+
+      this.doneSetup = true;
+    };
+
+    BlogReader.prototype.openModal_ = function(blog, post) {
+      var published = new Date(post.published);
+      var formattedDate = monthNames[published.getMonth()] + ' ' + published.getDate() + ' ' + published.getFullYear();
+      this.blogReader.find('.dac-modal-header-open').attr('href', post.url);
+      this.blogReader.find('.dac-modal-header-title').text(blog.title);
+      this.blogReader.find('.dac-blog-reader-title').html(post.title);
+      this.blogReader.find('.dac-blog-reader-date').html(formattedDate);
+      this.blogReader.find('.dac-blog-reader-text').html(post.content);
+      this.blogReader.trigger('modal-open');
+    };
+
+    /**
+     * Show a blog post in a modal
+     * @param  {string} blogName - The name of the Blogspot blog.
+     * @param  {string} postPath - The path to the blog post.
+     * @param  {bool} secondTry - Has it failed once?
+     */
+    BlogReader.prototype.showPost = function(blogName, postPath, secondTry) {
+      var blog = blogs[blogName];
+      var postUrl = 'https://' + blogName + '.blogspot.com' + postPath;
+
+      var url = apiUrl + '/blogs/' + blog.id + '/posts/bypath?path=' + encodeURIComponent(postPath) + '&key=' + apiKey;
+      $.ajax(url, {timeout: 650}).done(this.openModal_.bind(this, blog)).fail(function(error) {
+        // Retry once if we get an error
+        if (error.status === 500 && !secondTry) {
+          this.showPost(blogName, postPath, true);
+        } else {
+          window.location.href = postUrl;
+        }
+      }.bind(this));
+    };
+
+    return {
+      getReader: function() {
+        if (!reader) {
+          reader = new BlogReader();
+        }
+        return reader;
+      }
+    };
+  })();
+
+  var blogReader = BlogReader.getReader();
+
+  function wrapLinkWithReader(e) {
+    var el = $(e.currentTarget);
+    if (el.hasClass('dac-modal-header-open')) {
+      return;
+    }
+
+    // Only catch links on blogspot.com
+    var matches = el.attr('href').match(/https?:\/\/([^\.]*).blogspot.com([^$]*)/);
+    if (matches && matches.length === 3) {
+      var blogName = matches[1];
+      var postPath = matches[2];
+
+      // Check if we have information about the blog
+      if (!blogs[blogName]) {
+        return;
+      }
+
+      // Setup the first time it's used
+      if (!blogReader.doneSetup) {
+        blogReader.setup();
+      }
+
+      e.preventDefault();
+      blogReader.showPost(blogName, postPath);
+    }
+  }
+
+  $(document).on('click.blog-reader', 'a.resource-card[href*="blogspot.com/"]',
+      wrapLinkWithReader);
+})(jQuery, window);
+
+(function($) {
+  $.fn.debounce = function(func, wait, immediate) {
+    var timeout;
+
+    return function() {
+      var context = this;
+      var args = arguments;
+
+      var later = function() {
+        timeout = null;
+        if (!immediate) {
+          func.apply(context, args);
+        }
+      };
+
+      var callNow = immediate && !timeout;
+      clearTimeout(timeout);
+      timeout = setTimeout(later, wait);
+
+      if (callNow) {
+        func.apply(context, args);
+      }
+    };
+  };
+})(jQuery);
+
+/* Calculate the vertical area remaining */
+(function($) {
+  $.fn.ellipsisfade = function() {
+    // Only fetch line-height of first element to avoid recalculate style.
+    // Will be NaN if no elements match, which is ok.
+    var lineHeight = parseInt(this.css('line-height'), 10);
+
+    this.each(function() {
+      // get element text
+      var $this = $(this);
+      var remainingHeight = $this.parent().parent().height();
+      $this.parent().siblings().each(function() {
+        var elHeight;
+        if ($(this).is(':visible')) {
+          elHeight = $(this).outerHeight(true);
+          remainingHeight = remainingHeight - elHeight;
+        }
+      });
+
+      var adjustedRemainingHeight = ((remainingHeight) / lineHeight >> 0) * lineHeight;
+      $this.parent().css({height: adjustedRemainingHeight});
+      $this.css({height: 'auto'});
+    });
+
+    return this;
+  };
+
+  /* Pass the line height to ellipsisfade() to adjust the height of the
+   text container to show the max number of lines possible, without
+   showing lines that are cut off. This works with the css ellipsis
+   classes to fade last text line and apply an ellipsis char. */
+  function updateEllipsis(context) {
+    if (!(context instanceof jQuery)) {
+      context = $('html');
+    }
+
+    context.find('.card-info .text').ellipsisfade();
+  }
+
+  $(window).on('resize', $.fn.debounce(updateEllipsis, 500));
+  $(updateEllipsis);
+  $('html').on('dac:domchange', function(e) { updateEllipsis($(e.target)); });
+})(jQuery);
+
+/* Filter */
+(function($) {
+  'use strict';
+
+  /**
+   * A single filter item content.
+   * @type {string} - Element template.
+   * @private
+   */
+  var ITEM_STR_ = '<input type="checkbox" value="{{value}}" class="dac-form-checkbox" id="{{id}}">' +
+      '<label for="{{id}}" class="dac-form-checkbox-button"></label>' +
+      '<label for="{{id}}" class="dac-form-label">{{name}}</label>';
+
+  /**
+   * Template for a chip element.
+   * @type {*|HTMLElement}
+   * @private
+   */
+  var CHIP_BASE_ = $('<li class="dac-filter-chip">' +
+    '<button class="dac-filter-chip-close">' +
+      '<i class="dac-sprite dac-close-black dac-filter-chip-close-icon"></i>' +
+    '</button>' +
+  '</li>');
+
+  /**
+   * Component to handle narrowing down resources.
+   * @param {HTMLElement} el - The DOM element.
+   * @param {Object} options
+   * @constructor
+   */
+  function Filter(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, Filter.DEFAULTS_, options);
+    this.init();
+  }
+
+  Filter.DEFAULTS_ = {
+    activeClass: 'dac-active',
+    chipsDataAttr: 'filter-chips',
+    nameDataAttr: 'filter-name',
+    countDataAttr: 'filter-count',
+    tabViewDataAttr: 'tab-view',
+    valueDataAttr: 'filter-value'
+  };
+
+  /**
+   * Draw resource cards.
+   * @param {Array} resources
+   * @private
+   */
+  Filter.prototype.draw_ = function(resources) {
+    var that = this;
+
+    if (resources.length === 0) {
+      this.containerEl_.html('<p class="dac-filter-message">Nothing matches selected filters.</p>');
+      return;
+    }
+
+    // Draw resources.
+    that.containerEl_.resourceWidget(resources, that.data_.options);
+  };
+
+  /**
+   * Initialize a Filter component.
+   */
+  Filter.prototype.init = function() {
+    this.containerEl_ = $(this.options.filter);
+
+    // Setup data settings
+    this.data_ = {};
+    this.data_.chips = {};
+    this.data_.options = this.containerEl_.widgetOptions();
+    this.data_.all = window.metadata.query(this.data_.options);
+
+    // Initialize filter UI
+    this.initUi();
+  };
+
+  /**
+   * Generate a chip for a given filter item.
+   * @param {Object} item - A single filter option (checkbox container).
+   * @returns {HTMLElement} A new Chip element.
+   */
+  Filter.prototype.chipForItem = function(item) {
+    var chip = CHIP_BASE_.clone();
+    chip.prepend(this.data_.chips[item.data('filter-value')]);
+    chip.data('item.dac-filter', item);
+    item.data('chip.dac-filter', chip);
+    this.addToItemValue(item, 1);
+    return chip[0];
+  };
+
+  /**
+   * Update count of checked filter items.
+   * @param {Object} item - A single filter option (checkbox container).
+   * @param {Number} value - Either -1 or 1.
+   */
+  Filter.prototype.addToItemValue = function(item, value) {
+    var tab = item.parent().data(this.options.tabViewDataAttr);
+    var countEl = this.countEl_.filter('[data-' + this.options.countDataAttr + '="' + tab + '"]');
+    var count = value + parseInt(countEl.text(), 10);
+    countEl.text(count);
+    countEl.toggleClass('dac-disabled', count === 0);
+  };
+
+  /**
+   * Set event listeners.
+   * @private
+   */
+  Filter.prototype.setEventListeners_ = function() {
+    this.chipsEl_.on('click.dac-filter', '.dac-filter-chip-close', this.closeChipHandler_.bind(this));
+    this.tabViewEl_.on('change.dac-filter', ':checkbox', this.toggleCheckboxHandler_.bind(this));
+  };
+
+  /**
+   * Check filter items that are active by default.
+   */
+  Filter.prototype.activateInitialFilters_ = function() {
+    var id = (new Date()).getTime();
+    var initiallyCheckedValues = this.data_.options.query.replace(/,\s*/g, '+').split('+');
+    var chips = document.createDocumentFragment();
+    var that = this;
+
+    this.items_.each(function(i) {
+      var item = $(this);
+      var opts = item.data();
+      that.data_.chips[opts.filterValue] = opts.filterName;
+
+      var checkbox = $(ITEM_STR_.replace(/\{\{name\}\}/g, opts.filterName)
+        .replace(/\{\{value\}\}/g, opts.filterValue)
+        .replace(/\{\{id\}\}/g, 'filter-' + id + '-' + (i + 1)));
+
+      if (initiallyCheckedValues.indexOf(opts.filterValue) > -1) {
+        checkbox[0].checked = true;
+        chips.appendChild(that.chipForItem(item));
+      }
+
+      item.append(checkbox);
+    });
+
+    this.chipsEl_.append(chips);
+  };
+
+  /**
+   * Initialize the Filter view
+   */
+  Filter.prototype.initUi = function() {
+    // Cache DOM elements
+    this.chipsEl_ = this.el.find('[data-' + this.options.chipsDataAttr + ']');
+    this.countEl_ = this.el.find('[data-' + this.options.countDataAttr + ']');
+    this.tabViewEl_ = this.el.find('[data-' + this.options.tabViewDataAttr + ']');
+    this.items_ = this.el.find('[data-' + this.options.nameDataAttr + ']');
+
+    // Setup UI
+    this.draw_(this.data_.all);
+    this.activateInitialFilters_();
+    this.setEventListeners_();
+  };
+
+  /**
+   * @returns {[types|Array, tags|Array, category|Array]}
+   */
+  Filter.prototype.getActiveClauses = function() {
+    var tags = [];
+    var types = [];
+    var categories = [];
+
+    this.items_.find(':checked').each(function(i, checkbox) {
+      // Currently, there is implicit business logic here that `tag` is AND'ed together
+      // while `type` is OR'ed. So , and + do the same thing here. It would be great to
+      // reuse the same query engine for filters, but it would need more powerful syntax.
+      // Probably parenthesis, to support "tag:dog + tag:cat + (type:video, type:blog)"
+      var expression = $(checkbox).val();
+      var regex = /(\w+):(\w+)/g;
+      var match;
+
+      while (match = regex.exec(expression)) {
+        switch (match[1]) {
+          case 'category':
+            categories.push(match[2]);
+            break;
+          case 'tag':
+            tags.push(match[2]);
+            break;
+          case 'type':
+            types.push(match[2]);
+            break;
         }
+      }
+    });
+
+    return [types, tags, categories];
+  };
+
+  /**
+   * Actual filtering logic.
+   * @returns {Array}
+   */
+  Filter.prototype.filteredResources = function() {
+    var data = this.getActiveClauses();
+    var types = data[0];
+    var tags = data[1];
+    var categories = data[2];
+    var resources = [];
+    var resource = {};
+    var tag = '';
+    var shouldAddResource = true;
+
+    for (var resourceIndex = 0; resourceIndex < this.data_.all.length; resourceIndex++) {
+      resource = this.data_.all[resourceIndex];
+      shouldAddResource = types.indexOf(resource.type) > -1;
+
+      if (categories && categories.length > 0) {
+        shouldAddResource = shouldAddResource && categories.indexOf(resource.category) > -1;
+      }
+
+      for (var tagIndex = 0; shouldAddResource && tagIndex < tags.length; tagIndex++) {
+        tag = tags[tagIndex];
+        shouldAddResource = resource.tags.indexOf(tag) > -1;
+      }
+
+      if (shouldAddResource) {
+        resources.push(resource);
+      }
+    }
+
+    return resources;
+  };
+
+  /**
+   * Close Chip Handler
+   * @param {Event} event - Click event
+   * @private
+   */
+  Filter.prototype.closeChipHandler_ = function(event) {
+    var chip = $(event.currentTarget).parent();
+    var checkbox = chip.data('item.dac-filter').find(':first-child')[0];
+    checkbox.checked = false;
+    this.changeStateForCheckbox(checkbox);
+  };
+
+  /**
+   * Handle filter item state change.
+   * @param {Event} event - Change event
+   * @private
+   */
+  Filter.prototype.toggleCheckboxHandler_ = function(event) {
+    this.changeStateForCheckbox(event.currentTarget);
+  };
+
+  /**
+   * Redraw resource view based on new state.
+   * @param checkbox
+   */
+  Filter.prototype.changeStateForCheckbox = function(checkbox) {
+    var item = $(checkbox).parent();
+
+    if (checkbox.checked) {
+      this.chipsEl_.append(this.chipForItem(item));
+      devsite.analytics.trackAnalyticsEvent('event',
+          'Filters', 'Check', $(checkbox).val());
+    } else {
+      item.data('chip.dac-filter').remove();
+      this.addToItemValue(item, -1);
+      devsite.analytics.trackAnalyticsEvent('event',
+          'Filters', 'Uncheck', $(checkbox).val());
+    }
+
+    this.draw_(this.filteredResources());
+  };
+
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacFilter = function() {
+    return this.each(function() {
+      var el = $(this);
+      new Filter(el, el.data());
+    });
+  };
+
+  /**
+   * Data Attribute API
+   */
+  $(function() {
+    $('[data-filter]').dacFilter();
+  });
+})(jQuery);
+
+(function($) {
+  'use strict';
+
+  /**
+   * Toggle Floating Label state.
+   * @param {HTMLElement} el - The DOM element.
+   * @param options
+   * @constructor
+   */
+  function FloatingLabel(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, FloatingLabel.DEFAULTS_, options);
+    this.group = this.el.closest('.dac-form-input-group');
+    this.input = this.group.find('.dac-form-input');
+
+    this.checkValue_ = this.checkValue_.bind(this);
+    this.checkValue_();
+
+    this.input.on('focus', function() {
+      this.group.addClass('dac-focused');
+    }.bind(this));
+    this.input.on('blur', function() {
+      this.group.removeClass('dac-focused');
+      this.checkValue_();
+    }.bind(this));
+    this.input.on('keyup', this.checkValue_);
+  }
+
+  /**
+   * The label is moved out of the textbox when it has a value.
+   */
+  FloatingLabel.prototype.checkValue_ = function() {
+    if (this.input.val().length) {
+      this.group.addClass('dac-has-value');
+    } else {
+      this.group.removeClass('dac-has-value');
+    }
+  };
+
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacFloatingLabel = function(options) {
+    return this.each(function() {
+      new FloatingLabel(this, options);
+    });
+  };
+
+  $(document).on('ready.aranja', function() {
+    $('.dac-form-floatlabel').each(function() {
+      $(this).dacFloatingLabel($(this).data());
+    });
+  });
+})(jQuery);
+
+(function($) {
+  'use strict';
+
+  /**
+   * @param {HTMLElement} el - The DOM element.
+   * @param {Object} options
+   * @constructor
+   */
+  function Crumbs(selected, options) {
+    this.options = $.extend({}, Crumbs.DEFAULTS_, options);
+    this.el = $(this.options.container);
+
+    // Do not build breadcrumbs for landing site.
+    if (!selected || location.pathname === '/index.html' || location.pathname === '/') {
+      return;
+    }
+
+    // Cache navigation resources
+    this.selected = $(selected);
+    this.selectedParent = this.selected.closest('.dac-nav-secondary').siblings('a');
+
+    // Build the breadcrumb list.
+    this.init();
+  }
+
+  Crumbs.DEFAULTS_ = {
+    container: '.dac-header-crumbs',
+    crumbItem: $('<li class="dac-header-crumbs-item">'),
+    linkClass: 'dac-header-crumbs-link'
+  };
+
+  Crumbs.prototype.init = function() {
+    Crumbs.buildCrumbForLink(this.selected.clone()).appendTo(this.el);
+
+    if (this.selectedParent.length) {
+      Crumbs.buildCrumbForLink(this.selectedParent.clone()).prependTo(this.el);
+    }
+
+    // Reveal the breadcrumbs
+    this.el.addClass('dac-has-content');
+  };
+
+  /**
+   * Build a HTML structure for a breadcrumb.
+   * @param {string} link
+   * @return {jQuery}
+   */
+  Crumbs.buildCrumbForLink = function(link) {
+    link.find('br').replaceWith(' ');
+
+    var crumbLink = $('<a>')
+      .attr('class', Crumbs.DEFAULTS_.linkClass)
+      .attr('href', link.attr('href'))
+      .text(link.text());
+
+    return Crumbs.DEFAULTS_.crumbItem.clone().append(crumbLink);
+  };
+
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacCrumbs = function(options) {
+    return this.each(function() {
+      new Crumbs(this, options);
+    });
+  };
+})(jQuery);
+
+(function($) {
+  'use strict';
+
+  /**
+   * @param {HTMLElement} el - The DOM element.
+   * @param {Object} options
+   * @constructor
+   */
+  function SearchInput(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, SearchInput.DEFAULTS_, options);
+    this.body = $('body');
+    this.input = this.el.find('input');
+    this.close = this.el.find(this.options.closeButton);
+    this.clear = this.el.find(this.options.clearButton);
+    this.icon = this.el.find('.' + this.options.iconClass);
+    this.init();
+  }
+
+  SearchInput.DEFAULTS_ = {
+    activeClass: 'dac-active',
+    activeIconClass: 'dac-search',
+    closeButton: '[data-search-close]',
+    clearButton: '[data-search-clear]',
+    hiddenClass: 'dac-hidden',
+    iconClass: 'dac-header-search-icon',
+    searchModeClass: 'dac-search-mode',
+    transitionDuration: 250
+  };
+
+  SearchInput.prototype.init = function() {
+    this.input.on('focus.dac-search', this.setActiveState.bind(this))
+              .on('input.dac-search', this.checkInputValue.bind(this));
+    this.close.on('click.dac-search', this.unsetActiveStateHandler_.bind(this));
+    this.clear.on('click.dac-search', this.clearInput.bind(this));
+  };
+
+  SearchInput.prototype.setActiveState = function() {
+    var that = this;
+
+    this.clear.addClass(this.options.hiddenClass);
+    this.body.addClass(this.options.searchModeClass);
+    this.checkInputValue();
+
+    // Set icon to black after background has faded to white.
+    setTimeout(function() {
+      that.icon.addClass(that.options.activeIconClass);
+    }, this.options.transitionDuration);
+  };
+
+  SearchInput.prototype.unsetActiveStateHandler_ = function(event) {
+    event.preventDefault();
+    this.unsetActiveState();
+  };
+
+  SearchInput.prototype.unsetActiveState = function() {
+    this.icon.removeClass(this.options.activeIconClass);
+    this.clear.addClass(this.options.hiddenClass);
+    this.body.removeClass(this.options.searchModeClass);
+  };
+
+  SearchInput.prototype.clearInput = function(event) {
+    event.preventDefault();
+    this.input.val('');
+    this.clear.addClass(this.options.hiddenClass);
+  };
+
+  SearchInput.prototype.checkInputValue = function() {
+    if (this.input.val().length) {
+      this.clear.removeClass(this.options.hiddenClass);
+    } else {
+      this.clear.addClass(this.options.hiddenClass);
+    }
+  };
+
+  /**
+   * jQuery plugin
+   * @param {object} options - Override default options.
+   */
+  $.fn.dacSearchInput = function() {
+    return this.each(function() {
+      var el = $(this);
+      el.data('search-input.dac', new SearchInput(el, el.data()));
+    });
+  };
+
+  /**
+   * Data Attribute API
+   */
+  $(function() {
+    $('[data-search]').dacSearchInput();
+  });
+})(jQuery);
+
+/* global METADATA */
+(function($) {
+  function DacCarouselQuery(el) {
+    el = $(el);
+
+    var opts = el.data();
+    opts.maxResults = parseInt(opts.maxResults || '100', 10);
+    opts.query = opts.carouselQuery;
+    var resources = window.metadata.query(opts);
+
+    el.empty();
+    $(resources).each(function() {
+      var resource = $.extend({}, this, METADATA.carousel[this.url]);
+      el.dacHero(resource);
+    });
+
+    // Pagination element.
+    el.append('<div class="dac-hero-carousel-pagination"><div class="wrap" data-carousel-pagination>');
+
+    el.dacCarousel();
+  }
+
+  // jQuery plugin
+  $.fn.dacCarouselQuery = function() {
+    return this.each(function() {
+      var el = $(this);
+      var data = el.data('dac.carouselQuery');
+
+      if (!data) { el.data('dac.carouselQuery', (data = new DacCarouselQuery(el))); }
+    });
+  };
+
+  // Data API
+  $(function() {
+    $('[data-carousel-query]').dacCarouselQuery();
+  });
+})(jQuery);
+
+(function($) {
+  /**
+   * A CSS based carousel, inspired by SequenceJS.
+   * @param {jQuery} el
+   * @param {object} options
+   * @constructor
+   */
+  function DacCarousel(el, options) {
+    this.el = $(el);
+    this.options = options = $.extend({}, DacCarousel.OPTIONS, this.el.data(), options || {});
+    this.frames = this.el.find(options.frameSelector);
+    this.count = this.frames.size();
+    this.current = options.start;
+
+    this.initPagination();
+    this.initEvents();
+    this.initFrame();
+  }
+
+  DacCarousel.OPTIONS = {
+    auto:      true,
+    autoTime:  10000,
+    autoMinTime: 5000,
+    btnPrev:   '[data-carousel-prev]',
+    btnNext:   '[data-carousel-next]',
+    frameSelector: 'article',
+    loop:      true,
+    start:     0,
+    swipeThreshold: 160,
+    pagination: '[data-carousel-pagination]'
+  };
+
+  DacCarousel.prototype.initPagination = function() {
+    this.pagination = $([]);
+    if (!this.options.pagination) { return; }
+
+    var pagination = $('<ul class="dac-pagination">');
+    var parent = this.el;
+    if (typeof this.options.pagination === 'string') { parent = this.el.find(this.options.pagination); }
+
+    if (this.count > 1) {
+      for (var i = 0; i < this.count; i++) {
+        var li = $('<li class="dac-pagination-item">').text(i);
+        if (i === this.options.start) { li.addClass('active'); }
+        li.click(this.go.bind(this, i));
+
+        pagination.append(li);
+      }
+      this.pagination = pagination.children();
+      parent.append(pagination);
     }
-    // If Google results are showing, return true to allow ajax search to execute
-    else if ($("#searchResults").is(":visible")) {
-        // Also, if search_results is scrolled out of view, scroll to top to make results visible
-        if ((sticky ) && (search.value != "")) {
-          $('body,html').animate({scrollTop:0}, '500', 'swing');
-        }
-        return true;
+  };
+
+  DacCarousel.prototype.initEvents = function() {
+    var that = this;
+
+    this.touch = {
+      start: {x: 0, y: 0},
+      end:   {x: 0, y: 0}
+    };
+
+    this.el.on('touchstart', this.touchstart_.bind(this));
+    this.el.on('touchend', this.touchend_.bind(this));
+    this.el.on('touchmove', this.touchmove_.bind(this));
+
+    this.el.hover(function() {
+      that.pauseRotateTimer();
+    }, function() {
+      that.startRotateTimer();
+    });
+
+    $(this.options.btnPrev).click(function(e) {
+      e.preventDefault();
+      that.prev();
+    });
+
+    $(this.options.btnNext).click(function(e) {
+      e.preventDefault();
+      that.next();
+    });
+  };
+
+  DacCarousel.prototype.touchstart_ = function(event) {
+    var t = event.originalEvent.touches[0];
+    this.touch.start = {x: t.screenX, y: t.screenY};
+  };
+
+  DacCarousel.prototype.touchend_ = function() {
+    var deltaX = this.touch.end.x - this.touch.start.x;
+    var deltaY = Math.abs(this.touch.end.y - this.touch.start.y);
+    var shouldSwipe = (deltaY < Math.abs(deltaX)) && (Math.abs(deltaX) >= this.options.swipeThreshold);
+
+    if (shouldSwipe) {
+      if (deltaX > 0) {
+        this.prev();
+      } else {
+        this.next();
+      }
     }
-    // 38 UP ARROW
-    else if (kd && (e.keyCode == 38)) {
-        // if the next item is a header, skip it
-        if ($($("li", $selectedUl)[gSelectedIndex-1]).hasClass("header")) {
-            gSelectedIndex--;
-        }
-        if (gSelectedIndex >= 0) {
-            $('li', $selectedUl).removeClass('jd-selected');
-            gSelectedIndex--;
-            $('li:nth-child('+(gSelectedIndex+1)+')', $selectedUl).addClass('jd-selected');
-            // If user reaches top, reset selected column
-            if (gSelectedIndex < 0) {
-              gSelectedColumn = -1;
-            }
-        }
-        return false;
+  };
+
+  DacCarousel.prototype.touchmove_ = function(event) {
+    var t = event.originalEvent.touches[0];
+    this.touch.end = {x: t.screenX, y: t.screenY};
+  };
+
+  DacCarousel.prototype.initFrame = function() {
+    this.frames.removeClass('active').eq(this.options.start).addClass('active');
+  };
+
+  DacCarousel.prototype.startRotateTimer = function() {
+    if (!this.options.auto || this.rotateTimer) { return; }
+    this.rotateTimer = setTimeout(this.next.bind(this), this.options.autoTime);
+  };
+
+  DacCarousel.prototype.pauseRotateTimer = function() {
+    clearTimeout(this.rotateTimer);
+    this.rotateTimer = null;
+  };
+
+  DacCarousel.prototype.prev = function() {
+    this.go(this.current - 1);
+  };
+
+  DacCarousel.prototype.next = function() {
+    this.go(this.current + 1);
+  };
+
+  DacCarousel.prototype.go = function(next) {
+    // Figure out what the next slide is.
+    while (this.count > 0 && next >= this.count) { next -= this.count; }
+    while (next < 0) { next += this.count; }
+
+    // Cancel if we're already on that slide.
+    if (next === this.current) { return; }
+
+    // Prepare next slide.
+    this.frames.eq(next).removeClass('out');
+
+    // Recalculate styles before starting slide transition.
+    this.el.resolveStyles();
+    // Update pagination
+    this.pagination.removeClass('active').eq(next).addClass('active');
+
+    // Transition out current frame
+    this.frames.eq(this.current).toggleClass('active out');
+
+    // Transition in a new frame
+    this.frames.eq(next).toggleClass('active');
+
+    this.current = next;
+  };
+
+  // Helper which resolves new styles for an element, so it can start transitioning
+  // from the new values.
+  $.fn.resolveStyles = function() {
+    /*jshint expr:true*/
+    this[0] && this[0].offsetTop;
+    return this;
+  };
+
+  // jQuery plugin
+  $.fn.dacCarousel = function() {
+    this.each(function() {
+      var $el = $(this);
+      $el.data('dac-carousel', new DacCarousel(this));
+    });
+    return this;
+  };
+
+  // Data API
+  $(function() {
+    $('[data-carousel]').dacCarousel();
+  });
+})(jQuery);
+
+/* global toRoot */
+
+(function($) {
+  // Ordering matters
+  var TAG_MAP = [
+    {from: 'developerstory', to: 'Android Developer Story'},
+    {from: 'googleplay', to: 'Google Play'}
+  ];
+
+  function DacHero(el, resource, isSearch) {
+    var slide = $('<article>');
+    slide.addClass(isSearch ? 'dac-search-hero' : 'dac-expand dac-hero');
+    var image = cleanUrl(resource.heroImage || resource.image);
+    var fullBleed = image && !resource.heroColor;
+
+    if (!isSearch) {
+      // Configure background
+      slide.css({
+        backgroundImage: fullBleed ? 'url(' + image + ')' : '',
+        backgroundColor: resource.heroColor || ''
+      });
+
+      // Should copy be inverted
+      slide.toggleClass('dac-invert', resource.heroInvert || fullBleed);
+      slide.toggleClass('dac-darken', fullBleed);
+
+      // Should be clickable
+      slide.append($('<a class="dac-hero-carousel-action">').attr('href', cleanUrl(resource.url)));
     }
-    // 40 DOWN ARROW
-    else if (kd && (e.keyCode == 40)) {
-        // if the next item is a header, skip it
-        if ($($("li", $selectedUl)[gSelectedIndex+1]).hasClass("header")) {
-            gSelectedIndex++;
-        }
-        if ((gSelectedIndex < $("li", $selectedUl).length-1) ||
-                        ($($("li", $selectedUl)[gSelectedIndex+1]).hasClass("header"))) {
-            $('li', $selectedUl).removeClass('jd-selected');
-            gSelectedIndex++;
-            $('li:nth-child('+(gSelectedIndex+1)+')', $selectedUl).addClass('jd-selected');
-        }
-        return false;
+
+    var cols = $('<div class="cols dac-hero-content">');
+
+    // inline image column
+    var rightCol = $('<div class="col-1of2 col-push-1of2 dac-hero-figure">')
+      .appendTo(cols);
+
+    if ((!fullBleed || isSearch) && image) {
+      rightCol.append($('<img>').attr('src', image));
     }
-    // Consider left/right arrow navigation
-    // NOTE: Order of suggest columns are reverse order (index position 0 is on right)
-    else if (kd && $columns.length > 1 && gSelectedColumn >= 0) {
-      // 37 LEFT ARROW
-      // go left only if current column is not left-most column (last column)
-      if (e.keyCode == 37 && gSelectedColumn < $columns.length - 1) {
-        $('li', $selectedUl).removeClass('jd-selected');
-        gSelectedColumn++;
-        $selectedUl = $columns[gSelectedColumn];
-        // keep or reset the selected item to last item as appropriate
-        gSelectedIndex = gSelectedIndex >
-                $("li", $selectedUl).length-1 ?
-                $("li", $selectedUl).length-1 : gSelectedIndex;
-        // if the corresponding item is a header, move down
-        if ($($("li", $selectedUl)[gSelectedIndex]).hasClass("header")) {
-          gSelectedIndex++;
-        }
-        // set item selected
-        $('li:nth-child('+(gSelectedIndex+1)+')', $selectedUl).addClass('jd-selected');
-        return false;
+
+    // info column
+    $('<div class="col-1of2 col-pull-1of2">')
+      .append($('<div class="dac-hero-tag">').text(formatTag(resource)))
+      .append($('<h1 class="dac-hero-title">').text(formatTitle(resource)))
+      .append($('<p class="dac-hero-description">').text(resource.summary))
+      .append($('<a class="dac-hero-cta">')
+        .text(formatCTA(resource))
+        .attr('href', cleanUrl(resource.url))
+        .prepend($('<span class="dac-sprite dac-auto-chevron">'))
+      )
+      .appendTo(cols);
+
+    slide.append(cols.wrap('<div class="wrap">').parent());
+    el.append(slide);
+  }
+
+  function cleanUrl(url) {
+    if (url && url.indexOf('//') === -1) {
+      url = toRoot + url;
+    }
+    return url;
+  }
+
+  function formatTag(resource) {
+    // Hmm, need a better more scalable solution for this.
+    for (var i = 0, mapping; mapping = TAG_MAP[i]; i++) {
+      if (resource.tags.indexOf(mapping.from) > -1) {
+        return mapping.to;
       }
-      // 39 RIGHT ARROW
-      // go right only if current column is not the right-most column (first column)
-      else if (e.keyCode == 39 && gSelectedColumn > 0) {
-        $('li', $selectedUl).removeClass('jd-selected');
-        gSelectedColumn--;
-        $selectedUl = $columns[gSelectedColumn];
-        // keep or reset the selected item to last item as appropriate
-        gSelectedIndex = gSelectedIndex >
-                $("li", $selectedUl).length-1 ?
-                $("li", $selectedUl).length-1 : gSelectedIndex;
-        // if the corresponding item is a header, move down
-        if ($($("li", $selectedUl)[gSelectedIndex]).hasClass("header")) {
-          gSelectedIndex++;
-        }
-        // set item selected
-        $('li:nth-child('+(gSelectedIndex+1)+')', $selectedUl).addClass('jd-selected');
-        return false;
+    }
+    return resource.type;
+  }
+
+  function formatTitle(resource) {
+    return resource.title.replace(/android developer story: /i, '');
+  }
+
+  function formatCTA(resource) {
+    return resource.type === 'youtube' ? 'Watch the video' : 'Learn more';
+  }
+
+  // jQuery plugin
+  $.fn.dacHero = function(resource, isSearch) {
+    return this.each(function() {
+      var el = $(this);
+      return new DacHero(el, resource, isSearch);
+    });
+  };
+})(jQuery);
+
+(function($) {
+  'use strict';
+
+  function highlightString(label, query) {
+    query = query || '';
+    //query = query.replace('<wbr>', '').replace('.', '\\.');
+    var queryRE = new RegExp('(' + query + ')', 'ig');
+    return label.replace(queryRE, '<em>$1</em>');
+  }
+
+  $.fn.highlightMatches = function(query) {
+    return this.each(function() {
+      var el = $(this);
+      var label = el.html();
+      var highlighted = highlightString(label, query);
+      el.html(highlighted);
+      el.addClass('highlighted');
+    });
+  };
+})(jQuery);
+
+/**
+ * History tracking.
+ * Track visited urls in localStorage.
+ */
+(function($) {
+  var PAGES_TO_STORE_ = 100;
+  var MIN_NUMBER_OF_PAGES_TO_DISPLAY_ = 6;
+  var CONTAINER_SELECTOR_ = '.dac-search-results-history-wrap';
+
+  /**
+   * Generate resource cards for visited pages.
+   * @param {HTMLElement} el
+   * @constructor
+   */
+  function HistoryQuery(el) {
+    this.el = $(el);
+
+    // Only show history component if enough pages have been visited.
+    if (getVisitedPages().length < MIN_NUMBER_OF_PAGES_TO_DISPLAY_) {
+      this.el.closest(CONTAINER_SELECTOR_).addClass('dac-hidden');
+      return;
+    }
+
+    // Rename query
+    this.el.data('query', this.el.data('history-query'));
+
+    // jQuery method to populate cards.
+    this.el.resourceWidget();
+  }
+
+  /**
+   * Fetch from localStorage an array of visted pages
+   * @returns {Array}
+   */
+  function getVisitedPages() {
+    var visited = localStorage.getItem('visited-pages');
+    return visited ? JSON.parse(visited) : [];
+  }
+
+  /**
+   * Return a page corresponding to cuurent pathname. If none exists, create one.
+   * @param {Array} pages
+   * @param {String} path
+   * @returns {Object} Page
+   */
+  function getPageForPath(pages, path) {
+    var page;
+
+    // Backwards lookup for current page, last pages most likely to be visited again.
+    for (var i = pages.length - 1; i >= 0; i--) {
+      if (pages[i].path === path) {
+        page = pages[i];
+
+        // Remove page object from pages list to ensure correct ordering.
+        pages.splice(i, 1);
+
+        return page;
       }
     }
 
-    // if key-up event and not arrow down/up/left/right,
-    // read the search query and add suggestions to gMatches
-    else if (!kd && (e.keyCode != 40)
-                 && (e.keyCode != 38)
-                 && (e.keyCode != 37)
-                 && (e.keyCode != 39)) {
-        gSelectedIndex = -1;
-        gMatches = new Array();
-        matchedCount = 0;
-        gGoogleMatches = new Array();
-        matchedCountGoogle = 0;
-        gDocsMatches = new Array();
-        matchedCountDocs = 0;
-
-        // Search for Android matches
-        for (var i=0; i<DATA.length; i++) {
-            var s = DATA[i];
-            if (text.length != 0 &&
-                  s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
-                gMatches[matchedCount] = s;
-                matchedCount++;
-            }
-        }
-        rank_autocomplete_api_results(text, gMatches);
-        for (var i=0; i<gMatches.length; i++) {
-            var s = gMatches[i];
-        }
+    // If storage limit is exceeded, remove last visited path.
+    if (pages.length >= PAGES_TO_STORE_) {
+      pages.shift();
+    }
+
+    return {path: path};
+  }
 
+  /**
+   * Add current page to back of visited array, increase hit count by 1.
+   */
+  function addCurrectPage() {
+    var path = location.pathname;
 
-        // Search for Google matches
-        for (var i=0; i<GOOGLE_DATA.length; i++) {
-            var s = GOOGLE_DATA[i];
-            if (text.length != 0 &&
-                  s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
-                gGoogleMatches[matchedCountGoogle] = s;
-                matchedCountGoogle++;
-            }
-        }
-        rank_autocomplete_api_results(text, gGoogleMatches);
-        for (var i=0; i<gGoogleMatches.length; i++) {
-            var s = gGoogleMatches[i];
-        }
+    // Do not track frontpage visits.
+    if (path === '/' || path === '/index.html') {return;}
+
+    var pages = getVisitedPages();
+    var page = getPageForPath(pages, path);
+
+    // New page visits have no hit count.
+    page.hit = ~~page.hit + 1;
+
+    // Most recently visted pages are located at the end of the visited array.
+    pages.push(page);
+
+    localStorage.setItem('visited-pages', JSON.stringify(pages));
+  }
+
+  /**
+   * Hit count compare function.
+   * @param {Object} a - page
+   * @param {Object} b - page
+   * @returns {number}
+   */
+  function byHit(a, b) {
+    if (a.hit > b.hit) {
+      return -1;
+    } else if (a.hit < b.hit) {
+      return 1;
+    }
+
+    return 0;
+  }
+
+  /**
+   * Return a list of visited urls in a given order.
+   * @param {String} order - (recent|most-visited)
+   * @returns {Array}
+   */
+  $.dacGetVisitedUrls = function(order) {
+    var pages = getVisitedPages();
+
+    if (order === 'recent') {
+      pages.reverse();
+    } else {
+      pages.sort(byHit);
+    }
+
+    return pages.map(function(page) {
+      return page.path.replace(/^\//, '');
+    });
+  };
+
+  // jQuery plugin
+  $.fn.dacHistoryQuery = function() {
+    return this.each(function() {
+      var el = $(this);
+      var data = el.data('dac.recentlyVisited');
+
+      if (!data) {
+        el.data('dac.recentlyVisited', (data = new HistoryQuery(el)));
+      }
+    });
+  };
+
+  $(function() {
+    $('[data-history-query]').dacHistoryQuery();
+    // Do not block page rendering.
+    setTimeout(addCurrectPage, 0);
+  });
+})(jQuery);
+
+/* ############################################ */
+/* ##########     LOCALIZATION     ############ */
+/* ############################################ */
+/**
+ * Global helpers.
+ */
+function getBaseUri(uri) {
+  var intlUrl = (uri.substring(0, 6) === '/intl/');
+  if (intlUrl) {
+    var base = uri.substring(uri.indexOf('intl/') + 5, uri.length);
+    base = base.substring(base.indexOf('/') + 1, base.length);
+    return '/' + base;
+  } else {
+    return uri;
+  }
+}
+
+function changeLangPref(targetLang, submit) {
+  window.writeCookie('pref_lang', targetLang, null);
+  $('#language').find('option[value="' + targetLang + '"]').attr('selected', true);
+  if (submit) {
+    $('#setlang').submit();
+  }
+}
+// Redundant usage to appease jshint.
+window.changeLangPref = changeLangPref;
+
+(function() {
+  /**
+   * Whitelisted locales. Should match choices in language dropdown. Repeated here
+   * as a lot of i18n logic happens before page load and dropdown is ready.
+   */
+  var LANGUAGES = [
+    'en',
+    'es',
+    'id',
+    'ja',
+    'ko',
+    'pt-br',
+    'ru',
+    'vi',
+    'zh-cn',
+    'zh-tw'
+  ];
+
+  /**
+   * Master list of translated strings for template files.
+   */
+  var PHRASES = {
+    'newsletter': {
+      'title': 'Get the latest Android developer news and tips that will help you find success on Google Play.',
+      'requiredHint': '* Required Fields',
+      'name': 'Full name',
+      'email': 'Email address',
+      'company': 'Company / developer name',
+      'appUrl': 'One of your Play Store app URLs',
+      'business': {
+        'label': 'Which best describes your business:',
+        'apps': 'Apps',
+        'games': 'Games',
+        'both': 'Apps & Games'
+      },
+      'confirmMailingList': 'Add me to the mailing list for the monthly newsletter and occasional emails about ' +
+                            'development and Google Play opportunities.',
+      'privacyPolicy': 'I acknowledge that the information provided in this form will be subject to Google\'s ' +
+                       '<a href="https://www.google.com/policies/privacy/" target="_blank">privacy policy</a>.',
+      'languageVal': 'English',
+      'successTitle': 'Hooray!',
+      'successDetails': 'You have successfully signed up for the latest Android developer news and tips.',
+      'languageValTarget': {
+        'en': 'English',
+        'ar': 'Arabic (العربيّة)',
+        'id': 'Indonesian (Bahasa)',
+        'fr': 'French (français)',
+        'de': 'German (Deutsch)',
+        'ja': 'Japanese (日本語)',
+        'ko': 'Korean (한국어)',
+        'ru': 'Russian (Русский)',
+        'es': 'Spanish (español)',
+        'th': 'Thai (ภาษาไทย)',
+        'tr': 'Turkish (Türkçe)',
+        'vi': 'Vietnamese (tiếng Việt)',
+        'pt-br': 'Brazilian Portuguese (Português Brasileiro)',
+        'zh-cn': 'Simplified Chinese (简体中文)',
+        'zh-tw': 'Traditional Chinese (繁體中文)',
+      },
+      'resetLangTitle': "Browse this site in %{targetLang}?",
+      'resetLangTextIntro': 'You requested a page in %{targetLang}, but your language preference for this site is %{lang}.',
+      'resetLangTextCta': 'Would you like to change your language preference and browse this site in %{targetLang}? ' +
+                          'If you want to change your language preference later, use the language menu at the bottom of each page.',
+      'resetLangButtonYes': 'Change Language',
+      'resetLangButtonNo': 'Not Now'
+    }
+  };
+
+  /**
+   * Current locale.
+   */
+  var locale = (function() {
+    var lang = window.readCookie('pref_lang');
+    if (lang === 0 || LANGUAGES.indexOf(lang) === -1) {
+      lang = 'en';
+    }
+    return lang;
+  })();
+  var localeTarget = (function() {
+    var lang = getQueryVariable('hl');
+    if (lang === false || LANGUAGES.indexOf(lang) === -1) {
+      lang = locale;
+    }
+    return lang;
+  })();
+
+  /**
+   * Global function shims for backwards compatibility
+   */
+  window.changeNavLang = function() {
+    // Already done.
+  };
+
+  window.loadLangPref = function() {
+    // Languages pref already loaded.
+  };
+
+  window.getLangPref = function() {
+    return locale;
+  };
+
+  window.getLangTarget = function() {
+    return localeTarget;
+  };
+
+  // Expose polyglot instance for advanced localization.
+  var polyglot = window.polyglot = new window.Polyglot({
+    locale: locale,
+    phrases: PHRASES
+  });
+
+  // When DOM is ready.
+  $(function() {
+    // Mark current locale in language picker.
+    $('#language').find('option[value="' + locale + '"]').attr('selected', true);
+
+    $('html').dacTranslate().on('dac:domchange', function(e) {
+      $(e.target).dacTranslate();
+    });
+  });
+
+  $.fn.dacTranslate = function() {
+    // Translate strings in template markup:
+
+    // OLD
+    // Having all translations in HTML does not scale well and bloats every page.
+    // Need to migrate this to data-l JS translations below.
+    if (locale !== 'en') {
+      var $links = this.find('a[' + locale + '-lang]');
+      $links.each(function() { // for each link with a translation
+        var $link = $(this);
+        // put the desired language from the attribute as the text
+        $link.text($link.attr(locale + '-lang'));
+      });
+    }
+
+    // NEW
+    // A simple declarative api for JS translations. Feel free to extend as appropriate.
+
+    // Miscellaneous string compilations
+    // Build full strings from localized substrings:
+    var myLocaleTarget = window.getLangTarget();
+    var myTargetLang = window.polyglot.t("newsletter.languageValTarget." + myLocaleTarget);
+    var myLang = window.polyglot.t("newsletter.languageVal");
+    var myTargetLangTitleString = window.polyglot.t("newsletter.resetLangTitle", {targetLang: myTargetLang});
+    var myResetLangTextIntro = window.polyglot.t("newsletter.resetLangTextIntro", {targetLang: myTargetLang, lang: myLang});
+    var myResetLangTextCta = window.polyglot.t("newsletter.resetLangTextCta", {targetLang: myTargetLang});
+    //var myResetLangButtonYes = window.polyglot.t("newsletter.resetLangButtonYes", {targetLang: myTargetLang});
+
+    // Inject strings as text values in dialog components:
+    $("#langform .dac-modal-header-title").text(myTargetLangTitleString);
+    $("#langform #resetLangText").text(myResetLangTextIntro);
+    $("#langform #resetLangCta").text(myResetLangTextCta);
+    //$("#resetLangButtonYes").attr("data-t", window.polyglot.t(myResetLangButtonYes));
+
+    // Text: <div data-t="nav.home"></div>
+    // HTML: <div data-t="privacy" data-t-html></html>
+    this.find('[data-t]').each(function() {
+      var el = $(this);
+      var data = el.data();
+      if (data.t) {
+        el[data.tHtml === '' ? 'html' : 'text'](polyglot.t(data.t));
+      }
+    });
+
+    return this;
+  };
+})();
+/* ##########     END LOCALIZATION     ############ */
+
+// Translations. These should eventually be moved into language-specific files and loaded on demand.
+// jshint nonbsp:false
+switch (window.getLangPref()) {
+  case 'ar':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Google Play. يمكنك الحصول على آخر الأخبار والنصائح من مطوّري تطبيقات Android، مما يساعدك ' +
+          'على تحقيق النجاح على',
+        'requiredHint': '* حقول مطلوبة',
+        'name': '. الاسم بالكامل ',
+        'email': '. عنوان البريد الإلكتروني ',
+        'company': '. اسم الشركة / اسم مطوّر البرامج',
+        'appUrl': '. أحد عناوين URL لتطبيقاتك في متجر Play',
+        'business': {
+          'label': '. ما العنصر الذي يوضح طبيعة نشاطك التجاري بدقة؟ ',
+          'apps': 'التطبيقات',
+          'games': 'الألعاب',
+          'both': 'التطبيقات والألعاب'
+        },
+        'confirmMailingList': 'إضافتي إلى القائمة البريدية للنشرة الإخبارية الشهرية والرسائل الإلكترونية التي يتم' +
+          ' إرسالها من حين لآخر بشأن التطوير وفرص Google Play.',
+        'privacyPolicy': 'أقر بأن المعلومات المقدَّمة في هذا النموذج تخضع لسياسة خصوصية ' +
+          '<a href="https://www.google.com/intl/ar/policies/privacy/" target="_blank">Google</a>.',
+        'languageVal': 'Arabic (العربيّة)',
+        'successTitle': 'رائع!',
+        'successDetails': 'لقد اشتركت بنجاح للحصول على آخر الأخبار والنصائح من مطوّري برامج Android.'
+      }
+    });
+    break;
+  case 'zh-cn':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': '获取最新的 Android 开发者资讯和提示，助您在 Google Play 上取得成功。',
+        'requiredHint': '* 必填字段',
+        'name': '全名',
+        'email': '电子邮件地址',
+        'company': '公司/开发者名称',
+        'appUrl': '您的某个 Play 商店应用网址',
+        'business': {
+          'label': '哪一项能够最准确地描述您的业务？',
+          'apps': '应用',
+          'games': '游戏',
+          'both': '应用和游戏'
+        },
+        'confirmMailingList': '将我添加到邮寄名单，以便接收每月简报以及不定期发送的关于开发和 Google Play 商机的电子邮件。',
+        'privacyPolicy': '我确认自己了解在此表单中提供的信息受 <a href="https://www.google.com/intl/zh-CN/' +
+        'policies/privacy/" target="_blank">Google</a> 隐私权政策的约束。',
+        'languageVal': 'Simplified Chinese (简体中文)',
+        'successTitle': '太棒了！',
+        'successDetails': '您已成功订阅最新的 Android 开发者资讯和提示。'
+      }
+    });
+    break;
+  case 'zh-tw':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': '獲得 Android 開發人員的最新消息和各項秘訣，讓您在 Google Play 上輕鬆邁向成功之路。',
+        'requiredHint': '* 必要欄位',
+        'name': '全名',
+        'email': '電子郵件地址',
+        'company': '公司/開發人員名稱',
+        'appUrl': '您其中一個 Play 商店應用程式的網址',
+        'business': {
+          'label': '為您的商家選取最合適的產品類別。',
+          'apps': '應用程式',
+          'games': '遊戲',
+          'both': '應用程式和遊戲'
+        },
+        'confirmMailingList': '我想加入 Google Play 的郵寄清單，以便接收每月電子報和 Google Play 不定期寄送的電子郵件，' +
+          '瞭解關於開發和 Google Play 商機的資訊。',
+        'privacyPolicy': '我瞭解，我在這張表單中提供的資訊將受到 <a href="' +
+        'https://www.google.com/intl/zh-TW/policies/privacy/" target="_blank">Google</a> 隱私權政策.',
+        'languageVal': 'Traditional Chinese (繁體中文)',
+        'successTitle': '太棒了！',
+        'successDetails': '您已經成功訂閱 Android 開發人員的最新消息和各項秘訣。'
+      }
+    });
+    break;
+  case 'fr':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Recevez les dernières actualités destinées aux développeurs Android, ainsi que des conseils qui ' +
+          'vous mèneront vers le succès sur Google Play.',
+        'requiredHint': '* Champs obligatoires',
+        'name': 'Nom complet',
+        'email': 'Adresse e-mail',
+        'company': 'Nom de la société ou du développeur',
+        'appUrl': 'Une de vos URL Play Store',
+        'business': {
+          'label': 'Quelle option décrit le mieux votre activité ?',
+          'apps': 'Applications',
+          'games': 'Jeux',
+          'both': 'Applications et jeux'
+        },
+        'confirmMailingList': 'Ajoutez-moi à la liste de diffusion de la newsletter mensuelle et tenez-moi informé ' +
+          'par des e-mails occasionnels de l\'évolution et des opportunités de Google Play.',
+        'privacyPolicy': 'Je comprends que les renseignements fournis dans ce formulaire seront soumis aux <a href="' +
+        'https://www.google.com/intl/fr/policies/privacy/" target="_blank">règles de confidentialité</a> de Google.',
+        'languageVal': 'French (français)',
+        'successTitle': 'Super !',
+        'successDetails': 'Vous êtes bien inscrit pour recevoir les actualités et les conseils destinés aux ' +
+          'développeurs Android.'
+      }
+    });
+    break;
+  case 'de':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Abonniere aktuelle Informationen und Tipps für Android-Entwickler und werde noch erfolgreicher ' +
+          'bei Google Play.',
+        'requiredHint': '* Pflichtfelder',
+        'name': 'Vollständiger Name',
+        'email': 'E-Mail-Adresse',
+        'company': 'Unternehmens-/Entwicklername',
+        'appUrl': 'Eine der URLs deiner Play Store App',
+        'business': {
+          'label': 'Welche der folgenden Kategorien beschreibt dein Unternehmen am besten?',
+          'apps': 'Apps',
+          'games': 'Spiele',
+          'both': 'Apps und Spiele'
+        },
+        'confirmMailingList': 'Meine E-Mail-Adresse soll zur Mailingliste hinzugefügt werden, damit ich den ' +
+          'monatlichen Newsletter sowie gelegentlich E-Mails zu Entwicklungen und Optionen bei Google Play erhalte.',
+        'privacyPolicy': 'Ich bestätige, dass die in diesem Formular bereitgestellten Informationen gemäß der ' +
+          '<a href="https://www.google.com/intl/de/policies/privacy/" target="_blank">Datenschutzerklärung</a> von ' +
+          'Google verwendet werden dürfen.',
+        'languageVal': 'German (Deutsch)',
+        'successTitle': 'Super!',
+        'successDetails': 'Du hast dich erfolgreich angemeldet und erhältst jetzt aktuelle Informationen und Tipps ' +
+          'für Android-Entwickler.'
+      }
+    });
+    break;
+  case 'id':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Receba as dicas e as notícias mais recentes para os desenvolvedores Android e seja bem-sucedido ' +
+        'no Google Play.',
+        'requiredHint': '* Bidang Wajib Diisi',
+        'name': 'Nama lengkap',
+        'email': 'Alamat email',
+        'company': 'Nama pengembang / perusahaan',
+        'appUrl': 'Salah satu URL aplikasi Play Store Anda',
+        'business': {
+          'label': 'Dari berikut ini, mana yang paling cocok dengan bisnis Anda?',
+          'apps': 'Aplikasi',
+          'games': 'Game',
+          'both': 'Aplikasi dan Game'
+        },
+        'confirmMailingList': 'Tambahkan saya ke milis untuk mendapatkan buletin bulanan dan email sesekali mengenai ' +
+          'perkembangan dan kesempatan yang ada di Google Play.',
+        'privacyPolicy': 'Saya memahami bahwa informasi yang diberikan dalam formulir ini tunduk pada <a href="' +
+        'https://www.google.com/intl/in/policies/privacy/" target="_blank">kebijakan privasi</a> Google.',
+        'languageVal': 'Indonesian (Bahasa)',
+        'successTitle': 'Hore!',
+        'successDetails': 'Anda berhasil mendaftar untuk kiat dan berita pengembang Android terbaru.'
+      }
+    });
+    break;
+  case 'it':
+    //window.polyglot.extend({
+    //  'newsletter': {
+    //    'title': 'Receba as dicas e as notícias mais recentes para os desenvolvedores Android e seja bem-sucedido ' +
+    //    'no Google Play.',
+    //    'requiredHint': '* Campos obrigatórios',
+    //    'name': 'Nome completo',
+    //    'email': 'Endereço de Email',
+    //    'company': 'Nome da empresa / do desenvolvedor',
+    //    'appUrl': 'URL de um dos seus apps da Play Store',
+    //    'business': {
+    //      'label': 'Qual das seguintes opções melhor descreve sua empresa?',
+    //      'apps': 'Apps',
+    //      'games': 'Jogos',
+    //      'both': 'Apps e Jogos'
+    //    },
+    //    'confirmMailingList': 'Inscreva-me na lista de e-mails para que eu receba o boletim informativo mensal, ' +
+    //    'bem como e-mails ocasionais sobre o desenvolvimento e as oportunidades do Google Play.',
+    //    'privacyPolicy': 'Reconheço que as informações fornecidas neste formulário estão sujeitas à <a href="' +
+    //    'https://www.google.com.br/policies/privacy/" target="_blank">Política de Privacidade</a> do Google.',
+    //    'languageVal': 'Italian (italiano)',
+    //    'successTitle': 'Uhu!',
+    //    'successDetails': 'Você se inscreveu para receber as notícias e as dicas mais recentes para os ' +
+    //    'desenvolvedores Android.',
+    //  }
+    //});
+    break;
+  case 'ja':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Google Play での成功に役立つ Android デベロッパー向けの最新ニュースやおすすめの情報をお届けします。',
+        'requiredHint': '* 必須',
+        'name': '氏名',
+        'email': 'メールアドレス',
+        'company': '会社名 / デベロッパー名',
+        'appUrl': 'Play ストア アプリの URL（いずれか 1 つ）',
+        'business': {
+          'label': 'お客様のビジネスに最もよく当てはまるものをお選びください。',
+          'apps': 'アプリ',
+          'games': 'ゲーム',
+          'both': 'アプリとゲーム'
+        },
+        'confirmMailingList': '開発や Google Play の最新情報に関する毎月発行のニュースレターや不定期発行のメールを受け取る',
+        'privacyPolicy': 'このフォームに入力した情報に <a href="https://www.google.com/intl/ja/policies/privacy/" ' +
+          'target="_blank">Google</a> のプライバシー ポリシーが適用',
+        'languageVal': 'Japanese (日本語)',
+        'successTitle': '完了です！',
+        'successDetails': 'Android デベロッパー向けの最新ニュースやおすすめの情報の配信登録が完了しました。'
+      }
+    });
+    break;
+  case 'ko':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Google Play에서 성공을 거두는 데 도움이 되는 최신 Android 개발자 소식 및 도움말을 받아 보세요.',
+        'requiredHint': '* 필수 입력란',
+        'name': '이름',
+        'email': '이메일 주소',
+        'company': '회사/개발자 이름',
+        'appUrl': 'Play 스토어 앱 URL 중 1개',
+        'business': {
+          'label': '다음 중 내 비즈니스를 가장 잘 설명하는 단어는 무엇인가요?',
+          'apps': '앱',
+          'games': '게임',
+          'both': '앱 및 게임'
+        },
+        'confirmMailingList': '개발 및 Google Play 관련 소식에 관한 월별 뉴스레터 및 비정기 이메일을 받아보겠습니다.',
+        'privacyPolicy': '이 양식에 제공한 정보는 <a href="https://www.google.com/intl/ko/policies/privacy/" ' +
+          'target="_blank">Google의</a> 개인정보취급방침에 따라 사용됨을',
+        'languageVal':'Korean (한국어)',
+        'successTitle': '축하합니다!',
+        'successDetails': '최신 Android 개발자 뉴스 및 도움말을 받아볼 수 있도록 가입을 완료했습니다.'
+      }
+    });
+    break;
+  case 'pt-br':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Receba as dicas e as notícias mais recentes para os desenvolvedores Android e seja bem-sucedido ' +
+        'no Google Play.',
+        'requiredHint': '* Campos obrigatórios',
+        'name': 'Nome completo',
+        'email': 'Endereço de Email',
+        'company': 'Nome da empresa / do desenvolvedor',
+        'appUrl': 'URL de um dos seus apps da Play Store',
+        'business': {
+          'label': 'Qual das seguintes opções melhor descreve sua empresa?',
+          'apps': 'Apps',
+          'games': 'Jogos',
+          'both': 'Apps e Jogos'
+        },
+        'confirmMailingList': 'Inscreva-me na lista de e-mails para que eu receba o boletim informativo mensal, ' +
+        'bem como e-mails ocasionais sobre o desenvolvimento e as oportunidades do Google Play.',
+        'privacyPolicy': 'Reconheço que as informações fornecidas neste formulário estão sujeitas à <a href="' +
+        'https://www.google.com.br/policies/privacy/" target="_blank">Política de Privacidade</a> do Google.',
+        'languageVal': 'Brazilian Portuguese (Português Brasileiro)',
+        'successTitle': 'Uhu!',
+        'successDetails': 'Você se inscreveu para receber as notícias e as dicas mais recentes para os ' +
+        'desenvolvedores Android.'
+      }
+    });
+    break;
+  case 'ru':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Хотите получать последние новости и советы для разработчиков Google Play? Заполните эту форму.',
+        'requiredHint': '* Обязательные поля',
+        'name': 'Полное имя',
+        'email': 'Адрес электронной почты',
+        'company': 'Название компании или имя разработчика',
+        'appUrl': 'Ссылка на любое ваше приложение в Google Play',
+        'business': {
+          'label': 'Что вы создаете?',
+          'apps': 'Приложения',
+          'games': 'Игры',
+          'both': 'Игры и приложения'
+        },
+        'confirmMailingList': 'Я хочу получать ежемесячную рассылку для разработчиков и другие полезные новости ' +
+          'Google Play.',
+        'privacyPolicy': 'Я предоставляю эти данные в соответствии с <a href="' +
+          'https://www.google.com/intl/ru/policies/privacy/" target="_blank">Политикой конфиденциальности</a> Google.',
+        'languageVal': 'Russian (Русский)',
+        'successTitle': 'Поздравляем!',
+        'successDetails': 'Теперь вы подписаны на последние новости и советы для разработчиков Android.'
+      }
+    });
+    break;
+  case 'es':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Recibe las últimas noticias y sugerencias para programadores de Android y logra tener éxito en ' +
+          'Google Play.',
+        'requiredHint': '* Campos obligatorios',
+        'name': 'Dirección de correo electrónico',
+        'email': 'Endereço de Email',
+        'company': 'Nombre de la empresa o del programador',
+        'appUrl': 'URL de una de tus aplicaciones de Play Store',
+        'business': {
+          'label': '¿Qué describe mejor a tu empresa?',
+          'apps': 'Aplicaciones',
+          'games': 'Juegos',
+          'both': 'Juegos y aplicaciones'
+        },
+        'confirmMailingList': 'Deseo unirme a la lista de distribución para recibir el boletín informativo mensual ' +
+          'y correos electrónicos ocasionales sobre desarrollo y oportunidades de Google Play.',
+        'privacyPolicy': 'Acepto que la información que proporcioné en este formulario cumple con la <a href="' +
+        'https://www.google.com/intl/es/policies/privacy/" target="_blank">política de privacidad</a> de Google.',
+        'languageVal': 'Spanish (español)',
+        'successTitle': '¡Felicitaciones!',
+        'successDetails': 'El registro para recibir las últimas noticias y sugerencias para programadores de Android ' +
+          'se realizó correctamente.'
+      }
+    });
+    break;
+  case 'th':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'รับข่าวสารล่าสุดสำหรับนักพัฒนาซอฟต์แวร์ Android ตลอดจนเคล็ดลับที่จะช่วยให้คุณประสบความสำเร็จบน ' +
+          'Google Play',
+        'requiredHint': '* ช่องที่ต้องกรอก',
+        'name': 'ชื่อและนามสกุล',
+        'email': 'ที่อยู่อีเมล',
+        'company': 'ชื่อบริษัท/นักพัฒนาซอฟต์แวร์',
+        'appUrl': 'URL แอปใดแอปหนึ่งของคุณใน Play สโตร์',
+        'business': {
+          'label': 'ข้อใดตรงกับธุรกิจของคุณมากที่สุด',
+          'apps': 'แอป',
+          'games': 'เกม',
+          'both': 'แอปและเกม'
+        },
+        'confirmMailingList': 'เพิ่มฉันลงในรายชื่ออีเมลเพื่อรับจดหมายข่าวรายเดือนและอีเมลเป็นครั้งคราวเกี่ยวกับก' +
+          'ารพัฒนาซอฟต์แวร์และโอกาสใน Google Play',
+        'privacyPolicy': 'ฉันรับทราบว่าข้อมูลที่ให้ไว้ในแบบฟอร์มนี้จะเป็นไปตามนโยบายส่วนบุคคลของ ' +
+          '<a href="https://www.google.com/intl/th/policies/privacy/" target="_blank">Google</a>',
+        'languageVal': 'Thai (ภาษาไทย)',
+        'successTitle': 'ไชโย!',
+        'successDetails': 'คุณลงชื่อสมัครรับข่าวสารและเคล็ดลับล่าสุดสำหรับนักพัฒนาซอฟต์แวร์ Android เสร็จเรียบร้อยแล้ว'
+      }
+    });
+    break;
+  case 'tr':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Google Play\'de başarılı olmanıza yardımcı olacak en son Android geliştirici haberleri ve ipuçları.',
+        'requiredHint': '* Zorunlu Alanlar',
+        'name': 'Tam ad',
+        'email': 'E-posta adresi',
+        'company': 'Şirket / geliştirici adı',
+        'appUrl': 'Play Store uygulama URL\'lerinizden biri',
+        'business': {
+          'label': 'İşletmenizi en iyi hangisi tanımlar?',
+          'apps': 'Uygulamalar',
+          'games': 'Oyunlar',
+          'both': 'Uygulamalar ve Oyunlar'
+        },
+        'confirmMailingList': 'Beni, geliştirme ve Google Play fırsatlarıyla ilgili ara sıra gönderilen e-posta ' +
+          'iletilerine ilişkin posta listesine ve aylık haber bültenine ekle.',
+        'privacyPolicy': 'Bu formda sağlanan bilgilerin Google\'ın ' +
+          '<a href="https://www.google.com/intl/tr/policies/privacy/" target="_blank">Gizlilik Politikası\'na</a> ' +
+          'tabi olacağını kabul ediyorum.',
+        'languageVal': 'Turkish (Türkçe)',
+        'successTitle': 'Yaşasın!',
+        'successDetails': 'En son Android geliştirici haberleri ve ipuçlarına başarıyla kaydoldunuz.'
+      }
+    });
+    break;
+  case 'vi':
+    window.polyglot.extend({
+      'newsletter': {
+        'title': 'Nhận tin tức và mẹo mới nhất dành cho nhà phát triển Android sẽ giúp bạn tìm thấy thành công trên ' +
+          'Google Play.',
+        'requiredHint': '* Các trường bắt buộc',
+        'name': 'Tên đầy đủ',
+        'email': 'Địa chỉ email',
+        'company': 'Tên công ty/nhà phát triển',
+        'appUrl': 'Một trong số các URL ứng dụng trên cửa hàng Play của bạn',
+        'business': {
+          'label': 'Lựa chọn nào sau đây mô tả chính xác nhất doanh nghiệp của bạn?',
+          'apps': 'Ứng dụng',
+          'games': 'Trò chơi',
+          'both': 'Ứng dụng và trò chơi'
+        },
+        'confirmMailingList': 'Thêm tôi vào danh sách gửi thư cho bản tin hàng tháng và email định kỳ về việc phát ' +
+          'triển và cơ hội của Google Play.',
+        'privacyPolicy': 'Tôi xác nhận rằng thông tin được cung cấp trong biểu mẫu này tuân thủ chính sách bảo mật ' +
+          'của <a href="https://www.google.com/intl/vi/policies/privacy/" target="_blank">Google</a>.',
+        'languageVal': 'Vietnamese (tiếng Việt)',
+        'successTitle': 'Thật tuyệt!',
+        'successDetails': 'Bạn đã đăng ký thành công nhận tin tức và mẹo mới nhất dành cho nhà phát triển của Android.'
+      }
+    });
+    break;
+}
+
+(function($) {
+  'use strict';
+
+  function Modal(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, options);
+    this.isOpen = false;
+
+    this.el.on('click', function(event) {
+      if (!$.contains(this.el.find('.dac-modal-window')[0], event.target)) {
+        return this.el.trigger('modal-close');
+      }
+    }.bind(this));
 
-        highlight_autocomplete_result_labels(text);
+    this.el.on('modal-open', this.open_.bind(this));
+    this.el.on('modal-close', this.close_.bind(this));
+    this.el.on('modal-toggle', this.toggle_.bind(this));
+  }
 
+  Modal.prototype.toggle_ = function() {
+    this.el.trigger('modal-' + (this.isOpen ? 'close' : 'open'));
+  };
 
+  Modal.prototype.close_ = function() {
+    // When closing the modal for Android Studio downloads, reload the page
+    // because otherwise we might get stuck with post-download dialog state
+    if ($("[data-modal='studio_tos'].dac-active").length) {
+      location.reload();
+    }
+    this.el.removeClass('dac-active');
+    $('body').removeClass('dac-modal-open');
+    this.isOpen = false;
+  };
 
-        // Search for matching JD docs
-        if (text.length >= 2) {
-          // Regex to match only the beginning of a word
-          var textRegex = new RegExp("\\b" + text.toLowerCase(), "g");
+  Modal.prototype.open_ = function() {
+    this.el.addClass('dac-active');
+    $('body').addClass('dac-modal-open');
+    this.isOpen = true;
+  };
 
+  function onClickToggleModal(event) {
+    event.preventDefault();
+    var toggle = $(event.currentTarget);
+    var options = toggle.data();
+    var modal = options.modalToggle ? $('[data-modal="' + options.modalToggle + '"]') :
+      toggle.closest('[data-modal]');
+    modal.trigger('modal-toggle');
+  }
 
-          // Search for Training classes
-          for (var i=0; i<TRAINING_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = TRAINING_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacModal = function(options) {
+    return this.each(function() {
+      new Modal(this, options);
+    });
+  };
 
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Don't consider doc title for lessons (only for class landing pages),
-            // unless the lesson has a tag that already matches
-            if ((s.lang == currentLang) &&
-                  (!(s.type == "training" && s.url.indexOf("index.html") == -1) || matched)) {
-              // it matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+  $.fn.dacToggleModal = function(options) {
+    return this.each(function() {
+      new ToggleModal(this, options);
+    });
+  };
 
+  /**
+   * Data Attribute API
+   */
+  $(document).on('ready.aranja', function() {
+    $('[data-modal]').each(function() {
+      $(this).dacModal($(this).data());
+    });
 
-          // Search for API Guides
-          for (var i=0; i<GUIDE_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = GUIDE_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+    $('html').on('click.modal', '[data-modal-toggle]', onClickToggleModal);
 
+    // Check if url anchor is targetting a toggle to open the modal.
+    if (location.hash) {
+      var $elem = $(document.getElementById(location.hash.substr(1)));
+      if ($elem.attr('data-modal-toggle')) {
+        $elem.trigger('click');
+      }
+    }
 
-          // Search for Tools Guides
-          for (var i=0; i<TOOLS_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = TOOLS_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+    var isTargetLangValid = false;
+    $(ANDROID_LANGUAGES).each(function(index, langCode) {
+      if (langCode == window.getLangTarget()) {
+        isTargetLangValid = true;
+        return;
+      }
+    });
+    if (window.getLangTarget() !== window.getLangPref() && isTargetLangValid) {
+        $('#langform').trigger('modal-open');
+        $("#langform button.yes").attr("onclick","window.changeLangPref('" + window.getLangTarget() + "', true);  return false;");
+        $("#langform button.no").attr("onclick","window.changeLangPref('" + window.getLangPref() + "', true); return false;");
+    }
 
+    /* Check the current API level, but only if we're in the reference */
+    if (location.pathname.indexOf('/reference') == 0) {
+      // init available apis based on user pref
+      changeApiLevel();
+    }
+  });
+})(jQuery);
 
-          // Search for About docs
-          for (var i=0; i<ABOUT_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = ABOUT_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+/* Fullscreen - Toggle fullscreen mode for reference pages */
+(function($) {
+  'use strict';
 
+  /**
+   * @param {HTMLElement} el - The DOM element.
+   * @constructor
+   */
+  function Fullscreen(el) {
+    this.el = $(el);
+    this.html = $('html');
+    this.icon = this.el.find('.dac-sprite');
+    this.isFullscreen = window.readCookie(Fullscreen.COOKIE_) === 'true';
+    this.activate_();
+    this.el.on('click.dac-fullscreen', this.toggleHandler_.bind(this));
+  }
 
-          // Search for Design guides
-          for (var i=0; i<DESIGN_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = DESIGN_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+  /**
+   * Cookie name for storing the state
+   * @type {string}
+   * @private
+   */
+  Fullscreen.COOKIE_ = 'fullscreen';
 
+  /**
+   * Classes to modify the DOM
+   * @type {{mode: string, fullscreen: string, fullscreenExit: string}}
+   * @private
+   */
+  Fullscreen.CLASSES_ = {
+    mode: 'dac-fullscreen-mode',
+    fullscreen: 'dac-fullscreen',
+    fullscreenExit: 'dac-fullscreen-exit'
+  };
 
-          // Search for Distribute guides
-          for (var i=0; i<DISTRIBUTE_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = DISTRIBUTE_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+  /**
+   * Event listener for toggling fullscreen mode
+   * @param {MouseEvent} event
+   * @private
+   */
+  Fullscreen.prototype.toggleHandler_ = function(event) {
+    event.stopPropagation();
+    this.toggle(!this.isFullscreen, true);
+  };
 
+  /**
+   * Change the DOM based on current state.
+   * @private
+   */
+  Fullscreen.prototype.activate_ = function() {
+    this.icon.toggleClass(Fullscreen.CLASSES_.fullscreen, !this.isFullscreen);
+    this.icon.toggleClass(Fullscreen.CLASSES_.fullscreenExit, this.isFullscreen);
+    this.html.toggleClass(Fullscreen.CLASSES_.mode, this.isFullscreen);
+  };
 
-          // Search for Google guides
-          for (var i=0; i<GOOGLE_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = GOOGLE_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+  /**
+   * Toggle fullscreen mode and store the state in a cookie.
+   */
+  Fullscreen.prototype.toggle = function() {
+    this.isFullscreen = !this.isFullscreen;
+    window.writeCookie(Fullscreen.COOKIE_, this.isFullscreen, null);
+    this.activate_();
+  };
 
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacFullscreen = function() {
+    return this.each(function() {
+      new Fullscreen($(this));
+    });
+  };
+})(jQuery);
 
-          // Search for Samples
-          for (var i=0; i<SAMPLES_RESOURCES.length; i++) {
-            // current search comparison, with counters for tag and title,
-            // used later to improve ranking
-            var s = SAMPLES_RESOURCES[i];
-            s.matched_tag = 0;
-            s.matched_title = 0;
-            var matched = false;
-            // Check if query matches any tags; work backwards toward 1 to assist ranking
-            for (var j = s.keywords.length - 1; j >= 0; j--) {
-              // it matches a tag
-              if (s.keywords[j].toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_tag = j + 1; // add 1 to index position
-              }
-            }
-            // Check if query matches the doc title, but only for current language
-            if (s.lang == currentLang) {
-              // if query matches the doc title.t
-              if (s.title.toLowerCase().match(textRegex)) {
-                matched = true;
-                s.matched_title = 1;
-              }
-            }
-            if (matched) {
-              gDocsMatches[matchedCountDocs] = s;
-              matchedCountDocs++;
-            }
-          }
+(function($) {
+  'use strict';
 
-          // Rank/sort all the matched pages
-          rank_autocomplete_doc_results(text, gDocsMatches);
-        }
+  /**
+   * @param {HTMLElement} selected - The link that is selected in the nav.
+   * @constructor
+   */
+  function HeaderTabs(selected) {
 
-        // draw the suggestions
-        sync_selection_table(toroot);
-        return true; // allow the event to bubble up to the search api
+    // Don't highlight any tabs on the index page
+    if (location.pathname === '/index.html' || location.pathname === '/') {
+      //return;
     }
-}
 
-/* Order the jd doc result list based on match quality */
-function rank_autocomplete_doc_results(query, matches) {
-    query = query || '';
-    if (!matches || !matches.length)
-      return;
+    this.selected = $(selected);
+    this.selectedParent = this.selected.closest('.dac-nav-secondary').siblings('a');
+    this.links = $('.dac-header-tabs a');
 
-    var _resultScoreFn = function(match) {
-        var score = 1.0;
+    this.selectActiveTab();
+  }
 
-        // if the query matched a tag
-        if (match.matched_tag > 0) {
-          // multiply score by factor relative to position in tags list (max of 3)
-          score *= 3 / match.matched_tag;
+  HeaderTabs.prototype.selectActiveTab = function() {
+    var section = null;
 
-          // if it also matched the title
-          if (match.matched_title > 0) {
-            score *= 2;
-          }
-        } else if (match.matched_title > 0) {
-          score *= 3;
-        }
+    if (this.selectedParent.length) {
+      section = this.selectedParent.text();
+    } else {
+      section = this.selected.text();
+    }
 
-        return score;
-    };
+    if (section) {
+      this.links.removeClass('selected');
 
-    for (var i=0; i<matches.length; i++) {
-        matches[i].__resultScore = _resultScoreFn(matches[i]);
+      this.links.filter(function() {
+        return $(this).text() === $.trim(section);
+      }).addClass('selected');
     }
+  };
 
-    matches.sort(function(a,b){
-        var n = b.__resultScore - a.__resultScore;
-        if (n == 0) // lexicographical sort if scores are the same
-            n = (a.label < b.label) ? -1 : 1;
-        return n;
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacHeaderTabs = function() {
+    return this.each(function() {
+      new HeaderTabs(this);
     });
-}
-
-/* Order the result list based on match quality */
-function rank_autocomplete_api_results(query, matches) {
-    query = query || '';
-    if (!matches || !matches.length)
-      return;
+  };
+})(jQuery);
 
-    // helper function that gets the last occurence index of the given regex
-    // in the given string, or -1 if not found
-    var _lastSearch = function(s, re) {
-      if (s == '')
-        return -1;
-      var l = -1;
-      var tmp;
-      while ((tmp = s.search(re)) >= 0) {
-        if (l < 0) l = 0;
-        l += tmp;
-        s = s.substr(tmp + 1);
+(function($) {
+  'use strict';
+  var icon = $('<i/>').addClass('dac-sprite dac-nav-forward');
+  var config = JSON.parse(window.localStorage.getItem('global-navigation') || '{}');
+  var forwardLink = $('<span/>')
+    .addClass('dac-nav-link-forward')
+    .html(icon)
+    .attr('tabindex', 0)
+    .on('click keypress', function(e) {
+      if (e.type == 'keypress' && e.which == 13 || e.type == 'click') {
+        swap_(e);
       }
-      return l;
-    };
+    });
 
-    // helper function that counts the occurrences of a given character in
-    // a given string
-    var _countChar = function(s, c) {
-      var n = 0;
-      for (var i=0; i<s.length; i++)
-        if (s.charAt(i) == c) ++n;
-      return n;
-    };
+  /**
+   * @constructor
+   */
+  function Nav(navigation) {
+    $('.dac-nav-list').dacCurrentPage().dacHeaderTabs().dacSidebarToggle($('body'));
 
-    var queryLower = query.toLowerCase();
-    var queryAlnum = (queryLower.match(/\w+/) || [''])[0];
-    var partPrefixAlnumRE = new RegExp('\\b' + queryAlnum);
-    var partExactAlnumRE = new RegExp('\\b' + queryAlnum + '\\b');
+    navigation.find('[data-reference-tree]').dacReferenceNav();
 
-    var _resultScoreFn = function(result) {
-        // scores are calculated based on exact and prefix matches,
-        // and then number of path separators (dots) from the last
-        // match (i.e. favoring classes and deep package names)
-        var score = 1.0;
-        var labelLower = result.label.toLowerCase();
-        var t;
-        t = _lastSearch(labelLower, partExactAlnumRE);
-        if (t >= 0) {
-            // exact part match
-            var partsAfter = _countChar(labelLower.substr(t + 1), '.');
-            score *= 200 / (partsAfter + 1);
-        } else {
-            t = _lastSearch(labelLower, partPrefixAlnumRE);
-            if (t >= 0) {
-                // part prefix match
-                var partsAfter = _countChar(labelLower.substr(t + 1), '.');
-                score *= 20 / (partsAfter + 1);
-            }
-        }
+    setupViews_(navigation.children().eq(0).children());
 
-        return score;
-    };
+    initCollapsedNavs(navigation.find('.dac-nav-sub-slider'));
 
-    for (var i=0; i<matches.length; i++) {
-        // if the API is deprecated, default score is 0; otherwise, perform scoring
-        if (matches[i].deprecated == "true") {
-          matches[i].__resultScore = 0;
-        } else {
-          matches[i].__resultScore = _resultScoreFn(matches[i]);
-        }
+    $('#dac-main-navigation').scrollIntoView('.selected')
+  }
+
+  function updateStore(icon) {
+    var navClass = getCurrentLandingPage_(icon);
+    var isExpanded = icon.hasClass('dac-expand-less-black');
+    var expandedNavs = config.expanded || [];
+    if (isExpanded) {
+      expandedNavs.push(navClass);
+    } else {
+      expandedNavs = expandedNavs.filter(function(item) {
+        return item !== navClass;
+      });
     }
+    config.expanded = expandedNavs;
+    window.localStorage.setItem('global-navigation', JSON.stringify(config));
+  }
 
-    matches.sort(function(a,b){
-        var n = b.__resultScore - a.__resultScore;
-        if (n == 0) // lexicographical sort if scores are the same
-            n = (a.label < b.label) ? -1 : 1;
-        return n;
-    });
-}
+  function toggleSubNav_(icon) {
+    var isExpanded = icon.hasClass('dac-expand-less-black');
+    icon.toggleClass('dac-expand-less-black', !isExpanded);
+    icon.toggleClass('dac-expand-more-black', isExpanded);
+    icon.data('sub-navigation.dac').slideToggle(200);
 
-/* Add emphasis to part of string that matches query */
-function highlight_autocomplete_result_labels(query) {
-    query = query || '';
-    if ((!gMatches || !gMatches.length) && (!gGoogleMatches || !gGoogleMatches.length))
-      return;
+    updateStore(icon);
+  }
 
-    var queryLower = query.toLowerCase();
-    var queryAlnumDot = (queryLower.match(/[\w\.]+/) || [''])[0];
-    var queryRE = new RegExp(
-        '(' + queryAlnumDot.replace(/\./g, '\\.') + ')', 'ig');
-    for (var i=0; i<gMatches.length; i++) {
-        gMatches[i].__hilabel = gMatches[i].label.replace(
-            queryRE, '<b>$1</b>');
-    }
-    for (var i=0; i<gGoogleMatches.length; i++) {
-        gGoogleMatches[i].__hilabel = gGoogleMatches[i].label.replace(
-            queryRE, '<b>$1</b>');
-    }
-}
+  function handleSubNavToggle_(event) {
+    event.preventDefault();
+    var icon = $(event.target);
+    toggleSubNav_(icon);
+  }
 
-function search_focus_changed(obj, focused)
-{
-    if (!focused) {
-        if(obj.value == ""){
-          $(".search .close").addClass("hide");
-        }
-        $(".suggest-card").hide();
-    }
-}
+  function getCurrentLandingPage_(icon) {
+    return icon.closest('li')[0].className.replace('dac-nav-item ', '');
+  }
 
-function submit_search() {
-  var query = document.getElementById('search_autocomplete').value;
-  location.hash = 'q=' + query;
-  loadSearchResults();
-  $("#searchResults").slideDown('slow', setStickyTop);
-  return false;
-}
+  // Setup sub navigation collapse/expand
+  function initCollapsedNavs(toggleIcons) {
+    toggleIcons.each(setInitiallyActive_($('body')));
+    toggleIcons.on('click keypress', function(e) {
+      if (e.type == 'keypress' && e.which == 13 || e.type == 'click') {
+        handleSubNavToggle_(e);
+      }
+    });
+  }
 
+  function setInitiallyActive_(body) {
+    var expandedNavs = config.expanded || [];
+    return function(i, icon) {
+      icon = $(icon);
+      var subNav = icon.next();
 
-function hideResults() {
-  $("#searchResults").slideUp('fast', setStickyTop);
-  $(".search .close").addClass("hide");
-  location.hash = '';
+      if (!subNav.length) {
+        return;
+      }
 
-  $("#search_autocomplete").val("").blur();
+      var landingPageClass = getCurrentLandingPage_(icon);
+      var expanded = expandedNavs.indexOf(landingPageClass) >= 0;
+      landingPageClass = landingPageClass === 'home' ? 'about' : landingPageClass;
 
-  // reset the ajax search callback to nothing, so results don't appear unless ENTER
-  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {});
+      if (landingPageClass == 'about' && location.pathname == '/index.html') {
+        expanded = true;
+      }
 
-  // forcefully regain key-up event control (previously jacked by search api)
-  $("#search_autocomplete").keyup(function(event) {
-    return search_changed(event, false, toRoot);
-  });
+      // TODO: Should read from localStorage
+      var visible = body.hasClass(landingPageClass) || expanded;
 
-  return false;
-}
+      icon.data('sub-navigation.dac', subNav);
+      icon.toggleClass('dac-expand-less-black', visible);
+      icon.toggleClass('dac-expand-more-black', !visible);
+      subNav.toggle(visible);
+    };
+  }
 
+  function setupViews_(views) {
+    if (views.length === 1) {
+      // Active tier 1 nav.
+      views.addClass('dac-active');
+    } else {
+      // Activate back button and tier 2 nav.
+      views.slice(0, 2).addClass('dac-active');
+      var selectedNav = views.eq(2).find('.selected').after(forwardLink);
+      var langAttr = selectedNav.attr(window.getLangPref() + '-lang');
+      //form the label from locale attr if possible, else set to selectedNav text value
+      if ((typeof langAttr !== typeof undefined &&  langAttr !== false) && (langAttr !== '')) {
+        $('.dac-nav-back-title').text(langAttr);
+      } else {
+        $('.dac-nav-back-title').text(selectedNav.text());
+      }
+    }
 
+    // Navigation should animate.
+    setTimeout(function() {
+      views.removeClass('dac-no-anim');
+    }, 10);
+  }
 
-/* ########################################################## */
-/* ################  CUSTOM SEARCH ENGINE  ################## */
-/* ########################################################## */
+  function swap_(event) {
+    event.preventDefault();
+    $(event.currentTarget).trigger('swap-content');
+  }
 
-var searchControl;
-google.load('search', '1', {"callback" : function() {
-            searchControl = new google.search.SearchControl();
-          } });
-
-function loadSearchResults() {
-  document.getElementById("search_autocomplete").style.color = "#000";
-
-  searchControl = new google.search.SearchControl();
-
-  // use our existing search form and use tabs when multiple searchers are used
-  drawOptions = new google.search.DrawOptions();
-  drawOptions.setDrawMode(google.search.SearchControl.DRAW_MODE_TABBED);
-  drawOptions.setInput(document.getElementById("search_autocomplete"));
-
-  // configure search result options
-  searchOptions = new google.search.SearcherOptions();
-  searchOptions.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);
-
-  // configure each of the searchers, for each tab
-  devSiteSearcher = new google.search.WebSearch();
-  devSiteSearcher.setUserDefinedLabel("All");
-  devSiteSearcher.setSiteRestriction("001482626316274216503:zu90b7s047u");
-
-  designSearcher = new google.search.WebSearch();
-  designSearcher.setUserDefinedLabel("Design");
-  designSearcher.setSiteRestriction("http://developer.android.com/design/");
-
-  trainingSearcher = new google.search.WebSearch();
-  trainingSearcher.setUserDefinedLabel("Training");
-  trainingSearcher.setSiteRestriction("http://developer.android.com/training/");
-
-  guidesSearcher = new google.search.WebSearch();
-  guidesSearcher.setUserDefinedLabel("Guides");
-  guidesSearcher.setSiteRestriction("http://developer.android.com/guide/");
-
-  referenceSearcher = new google.search.WebSearch();
-  referenceSearcher.setUserDefinedLabel("Reference");
-  referenceSearcher.setSiteRestriction("http://developer.android.com/reference/");
-
-  googleSearcher = new google.search.WebSearch();
-  googleSearcher.setUserDefinedLabel("Google Services");
-  googleSearcher.setSiteRestriction("http://developer.android.com/google/");
-
-  blogSearcher = new google.search.WebSearch();
-  blogSearcher.setUserDefinedLabel("Blog");
-  blogSearcher.setSiteRestriction("http://android-developers.blogspot.com");
-
-  // add each searcher to the search control
-  searchControl.addSearcher(devSiteSearcher, searchOptions);
-  searchControl.addSearcher(designSearcher, searchOptions);
-  searchControl.addSearcher(trainingSearcher, searchOptions);
-  searchControl.addSearcher(guidesSearcher, searchOptions);
-  searchControl.addSearcher(referenceSearcher, searchOptions);
-  searchControl.addSearcher(googleSearcher, searchOptions);
-  searchControl.addSearcher(blogSearcher, searchOptions);
-
-  // configure result options
-  searchControl.setResultSetSize(google.search.Search.LARGE_RESULTSET);
-  searchControl.setLinkTarget(google.search.Search.LINK_TARGET_SELF);
-  searchControl.setTimeoutInterval(google.search.SearchControl.TIMEOUT_SHORT);
-  searchControl.setNoResultsString(google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
-
-  // upon ajax search, refresh the url and search title
-  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {
-    updateResultTitle(query);
-    var query = document.getElementById('search_autocomplete').value;
-    location.hash = 'q=' + query;
-  });
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacNav = function() {
+    return this.each(function() {
+      new Nav($(this));
+    });
+  };
+})(jQuery);
 
-  // once search results load, set up click listeners
-  searchControl.setSearchCompleteCallback(this, function(control, searcher, query) {
-    addResultClickListeners();
-  });
+/* global NAVTREE_DATA */
+(function($) {
+  /**
+   * Build the reference navigation with namespace dropdowns.
+   * @param {jQuery} el - The DOM element.
+   */
+  function buildReferenceNav(el) {
+    var supportLibraryPath = '/reference/android/support/';
+    var currPath = location.pathname;
 
-  // draw the search results box
-  searchControl.draw(document.getElementById("leftSearchControl"), drawOptions);
+    if (currPath.indexOf(supportLibraryPath) > -1) {
+      updateSupportLibrariesNav(supportLibraryPath, currPath);
+    }
+    var namespaceList = el.find('[data-reference-namespaces]');
+    var resources = $('[data-reference-resources]').detach();
+    var selected = namespaceList.find('.selected');
+    resources.appendTo(el);
+
+    // Links should be toggleable.
+    namespaceList.find('a').addClass('dac-reference-nav-toggle dac-closed');
+
+    // Set the path for the navtree data to use.
+    var navtree_filepath = getNavtreeFilePath(supportLibraryPath, currPath);
+
+    // Load in all resources
+    $.getScript(navtree_filepath, function(data, textStatus, xhr) {
+      if (xhr.status === 200) {
+        namespaceList.on(
+            'click', 'a.dac-reference-nav-toggle', toggleResourcesHandler);
+      }
+    });
 
-  // get query and execute the search
-  searchControl.execute(decodeURI(getQuery(location.hash)));
+    // No setup required if no resources are present
+    if (!resources.length) {
+      return;
+    }
 
-  document.getElementById("search_autocomplete").focus();
-  addTabListeners();
-}
-// End of loadSearchResults
+    // The resources should be a part of selected namespace.
+    var overview = addResourcesToView(resources, selected);
 
+    // Currently viewing Overview
+    if (location.href === overview.attr('href')) {
+      overview.parent().addClass('selected');
+    }
 
-google.setOnLoadCallback(function(){
-  if (location.hash.indexOf("q=") == -1) {
-    // if there's no query in the url, don't search and make sure results are hidden
-    $('#searchResults').hide();
-    return;
-  } else {
-    // first time loading search results for this page
-    $('#searchResults').slideDown('slow', setStickyTop);
-    $(".search .close").removeClass("hide");
-    loadSearchResults();
+    // Open currently selected resource
+    var listsToOpen = selected.children().eq(1);
+    listsToOpen = listsToOpen.add(
+        listsToOpen.find('.selected').parent()).show();
+
+    // Mark dropdowns as open
+    listsToOpen.prev().removeClass('dac-closed');
+
+    // Scroll into view
+    namespaceList.scrollIntoView(selected);
   }
-}, true);
 
-/* Adjust the scroll position to account for sticky header, only if the hash matches an id.
-   This does not handle <a name=""> tags. Some CSS fixes those, but only for reference docs. */
-function offsetScrollForSticky() {
-  // Ignore if there's no search bar (some special pages have no header)
-  if ($("#search-container").length < 1) return;
+  function getNavtreeFilePath(supportLibraryPath, currPath) {
+    var navtree_filepath = '';
+    var navtree_filename = 'navtree_data.js';
+    if (currPath.indexOf(supportLibraryPath + 'test') > -1) {
+      navtree_filepath = supportLibraryPath + 'test/' + navtree_filename;
+    } else if (currPath.indexOf(supportLibraryPath + 'wearable') > -1) {
+      navtree_filepath = supportLibraryPath + 'wearable/' + navtree_filename;
+    } else {
+      navtree_filepath = '/' + navtree_filename;
+    }
+    return navtree_filepath;
+  }
 
-  var hash = escape(location.hash.substr(1));
-  var $matchingElement = $("#"+hash);
-  // Sanity check that there's an element with that ID on the page
-  if ($matchingElement.length) {
-    // If the position of the target element is near the top of the page (<20px, where we expect it
-    // to be because we need to move it down 60px to become in view), then move it down 60px
-    if (Math.abs($matchingElement.offset().top - $(window).scrollTop()) < 20) {
-      $(window).scrollTop($(window).scrollTop() - 60);
+  function updateSupportLibrariesNav(supportLibraryPath, currPath) {
+    var navTitle = '';
+    if (currPath.indexOf(supportLibraryPath + 'test') > -1) {
+      navTitle = 'Test Support APIs';
+    } else if (currPath.indexOf(supportLibraryPath + 'wearable') > -1) {
+      navTitle = 'Wearable Support APIs';
     }
+    $('#api-nav-title').text(navTitle);
+    $('#api-level-toggle').hide();
   }
-}
 
-// when an event on the browser history occurs (back, forward, load) requery hash and do search
-$(window).hashchange( function(){
-  // Ignore if there's no search bar (some special pages have no header)
-  if ($("#search-container").length < 1) return;
+  /**
+   * Handles the toggling of resources.
+   * @param {Event} event
+   */
+  function toggleResourcesHandler(event) {
+    event.preventDefault();
+    if (event.type == 'click' || event.type == 'keypress' && event.which == 13) {
+      var el = $(this);
+      // If resources for given namespace is not present, fetch correct data.
+      if (this.tagName === 'A' && !this.hasResources) {
+        addResourcesToView(buildResourcesViewForData(getDataForNamespace(el.text())), el.parent());
+      }
 
-  // If the hash isn't a search query or there's an error in the query,
-  // then adjust the scroll position to account for sticky header, then exit.
-  if ((location.hash.indexOf("q=") == -1) || (query == "undefined")) {
-    // If the results pane is open, close it.
-    if (!$("#searchResults").is(":hidden")) {
-      hideResults();
+      el.toggleClass('dac-closed').next().slideToggle(200);
     }
-    offsetScrollForSticky();
-    return;
   }
 
-  // Otherwise, we have a search to do
-  var query = decodeURI(getQuery(location.hash));
-  searchControl.execute(query);
-  $('#searchResults').slideDown('slow', setStickyTop);
-  $("#search_autocomplete").focus();
-  $(".search .close").removeClass("hide");
-
-  updateResultTitle(query);
-});
+  /**
+   * @param {String} namespace
+   * @returns {Array} namespace data
+   */
+  function getDataForNamespace(namespace) {
+    var namespaceData = NAVTREE_DATA.filter(function(data) {
+      return data[0] === namespace;
+    });
 
-function updateResultTitle(query) {
-  $("#searchTitle").html("Results for <em>" + escapeHTML(query) + "</em>");
-}
+    return namespaceData.length ? namespaceData[0][2] : [];
+  }
 
-// forcefully regain key-up event control (previously jacked by search api)
-$("#search_autocomplete").keyup(function(event) {
-  return search_changed(event, false, toRoot);
-});
+  /**
+   * Build a list item for a resource
+   * @param {Array} resource
+   * @returns {String}
+   */
+  function buildResourceItem(resource) {
+    return '<li class="api apilevel-' + resource[3] + '"><a href="/' + resource[1] + '">' + resource[0] + '</a></li>';
+  }
 
-// add event listeners to each tab so we can track the browser history
-function addTabListeners() {
-  var tabHeaders = $(".gsc-tabHeader");
-  for (var i = 0; i < tabHeaders.length; i++) {
-    $(tabHeaders[i]).attr("id",i).click(function() {
-    /*
-      // make a copy of the page numbers for the search left pane
-      setTimeout(function() {
-        // remove any residual page numbers
-        $('#searchResults .gsc-tabsArea .gsc-cursor-box.gs-bidi-start-align').remove();
-        // move the page numbers to the left position; make a clone,
-        // because the element is drawn to the DOM only once
-        // and because we're going to remove it (previous line),
-        // we need it to be available to move again as the user navigates
-        $('#searchResults .gsc-webResult .gsc-cursor-box.gs-bidi-start-align:visible')
-                        .clone().appendTo('#searchResults .gsc-tabsArea');
-        }, 200);
-      */
-    });
+  /**
+   * Build resources list items.
+   * @param {Array} resources
+   * @returns {String}
+   */
+  function buildResourceList(resources) {
+    return '<li><h2>' + resources[0] + '</h2><ul>' + resources[2].map(buildResourceItem).join('') + '</ul>';
   }
-  setTimeout(function(){$(tabHeaders[0]).click()},200);
-}
 
-// add analytics tracking events to each result link
-function addResultClickListeners() {
-  $("#searchResults a.gs-title").each(function(index, link) {
-    // When user clicks enter for Google search results, track it
-    $(link).click(function() {
-      ga('send', 'event', 'Google Click', 'clicked: ' + $(this).attr('href'),
-                'query: ' + $("#search_autocomplete").val().toLowerCase());
-    });
-  });
-}
+  /**
+   * Build a resources view
+   * @param {Array} data
+   * @returns {jQuery} resources in an unordered list.
+   */
+  function buildResourcesViewForData(data) {
+    return $('<ul>' + data.map(buildResourceList).join('') + '</ul>');
+  }
 
+  /**
+   * Add resources to a containing view.
+   * @param {jQuery} resources
+   * @param {jQuery} view
+   * @returns {jQuery} the overview link.
+   */
+  function addResourcesToView(resources, view) {
+    var namespace = view.children().eq(0);
+    var overview = $('<a href="' + namespace.attr('href') + '">Overview</a>');
+
+    // Mark namespace with content;
+    namespace[0].hasResources = true;
+
+    // Add correct classes / event listeners to resources.
+    resources.prepend($('<li>').html(overview))
+      .find('a')
+        .addClass('dac-reference-nav-resource')
+      .end()
+        .find('h2').attr('tabindex', 0)
+        .addClass('dac-reference-nav-toggle dac-closed')
+        .on('click keypress', toggleResourcesHandler)
+      .end()
+        .add(resources.find('ul'))
+        .addClass('dac-reference-nav-resources')
+      .end()
+        .appendTo(view);
+
+    return overview;
+  }
 
-function getQuery(hash) {
-  var queryParts = hash.split('=');
-  return queryParts[1];
-}
+  function setActiveReferencePackage(el) {
+    var packageLinkEls = el.find('[data-reference-namespaces] a');
+    var selected = null;
+    var highestMatchCount = 0;
+    packageLinkEls.each(function(index, linkEl) {
+      var matchCount = 0;
+      $(location.pathname.split('/')).each(function(index, subpath) {
+        if (linkEl.href.indexOf('/' + subpath + '/') > -1) {
+          matchCount++;
+        }
+      });
+      if (matchCount > highestMatchCount) {
+        selected = linkEl;
+        highestMatchCount = matchCount;
+      }
+    });
+    $(selected).parent().addClass('selected');
+  }
 
-/* returns the given string with all HTML brackets converted to entities
-    TODO: move this to the site's JS library */
-function escapeHTML(string) {
-  return string.replace(/</g,"&lt;")
-                .replace(/>/g,"&gt;");
-}
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacReferenceNav = function() {
+    return this.each(function() {
+      setActiveReferencePackage($(this));
+      buildReferenceNav($(this));
+    });
+  };
+})(jQuery);
 
+/** Scroll a container to make a target element visible
+ This is called when the page finished loading. */
+$.fn.scrollIntoView = function(target) {
+  if ('string' === typeof target) {
+    target = this.find(target);
+  }
+  if (this.is(':visible')) {
+    if (target.length == 0) {
+      // If no selected item found, exit
+      return;
+    }
 
+    // get the target element's offset from its container nav by measuring the element's offset
+    // relative to the document then subtract the container nav's offset relative to the document
+    var targetOffset = target.offset().top - this.offset().top;
+    var containerHeight = this.height();
+    if (targetOffset > containerHeight * .8) { // multiply nav height by .8 so we move up the item
+      // if it's more than 80% down the nav
+      // scroll the item up by an amount equal to 80% the container height
+      this.scrollTop(targetOffset - (containerHeight * .8));
+    }
+  }
+};
 
+(function($) {
+  $.fn.dacCurrentPage = function() {
+    // Highlight the header tabs...
+    // highlight Design tab
+    var baseurl = getBaseUri(window.location.pathname);
+    var urlSegments = baseurl.split('/');
+    var navEl = this;
+    var body = $('body');
+    var subNavEl = navEl.find('.dac-nav-secondary');
+    var parentNavEl;
+    var selected;
+    // In NDK docs, highlight appropriate sub-nav
+    if (body.hasClass('dac-ndk')) {
+      if (body.hasClass('guide')) {
+        selected = navEl.find('> li.guides > a').addClass('selected');
+      } else if (body.hasClass('reference')) {
+        selected = navEl.find('> li.reference > a').addClass('selected');
+      } else if (body.hasClass('samples')) {
+        selected = navEl.find('> li.samples > a').addClass('selected');
+      } else if (body.hasClass('downloads')) {
+        selected = navEl.find('> li.downloads > a').addClass('selected');
+      }
+    } else if (body.hasClass('dac-studio')) {
+      if (body.hasClass('download')) {
+        selected = navEl.find('> li.download > a').addClass('selected');
+      } else if (body.hasClass('features')) {
+        selected = navEl.find('> li.features > a').addClass('selected');
+      } else if (body.hasClass('guide')) {
+        selected = navEl.find('> li.guide > a').addClass('selected');
+      } else if (body.hasClass('preview')) {
+        selected = navEl.find('> li.preview > a').addClass('selected');
+      }
+    } else if (body.hasClass('design')) {
+      selected = navEl.find('> li.design > a').addClass('selected');
+      // highlight Home nav
+    } else if (body.hasClass('about') || location.pathname == '/index.html') {
+      parentNavEl = navEl.find('> li.home > a');
+      parentNavEl.addClass('has-subnav');
+      // In Home docs, also highlight appropriate sub-nav
+      if (urlSegments[1] === 'wear' || urlSegments[1] === 'tv' ||
+        urlSegments[1] === 'auto') {
+        selected = subNavEl.find('li.' + urlSegments[1] + ' > a').addClass('selected');
+      } else if (urlSegments[1] === 'about') {
+        selected = subNavEl.find('li.versions > a').addClass('selected');
+      } else {
+        selected = parentNavEl.removeClass('has-subnav').addClass('selected');
+      }
+      // highlight Develop nav
+    } else if (body.hasClass('develop') || body.hasClass('google')) {
+      parentNavEl = navEl.find('> li.develop > a');
+      parentNavEl.addClass('has-subnav');
+      // In Develop docs, also highlight appropriate sub-nav
+      if (urlSegments[1] === 'training') {
+        selected = subNavEl.find('li.training > a').addClass('selected');
+      } else if (urlSegments[1] === 'guide') {
+        selected = subNavEl.find('li.guide > a').addClass('selected');
+      } else if (urlSegments[1] === 'reference') {
+        // If the root is reference, but page is also part of Google Services, select Google
+        if (body.hasClass('google')) {
+          selected = subNavEl.find('li.google > a').addClass('selected');
+        } else {
+          selected = subNavEl.find('li.reference > a').addClass('selected');
+        }
+      } else if (body.hasClass('google')) {
+        selected = subNavEl.find('li.google > a').addClass('selected');
+      } else if (body.hasClass('samples')) {
+        selected = subNavEl.find('li.samples > a').addClass('selected');
+      } else {
+        selected = parentNavEl.removeClass('has-subnav').addClass('selected');
+      }
+      // highlight Distribute nav
+    } else if (body.hasClass('distribute')) {
+      parentNavEl = navEl.find('> li.distribute > a');
+      parentNavEl.addClass('has-subnav');
+      // In Distribute docs, also highlight appropriate sub-nav
+      if (urlSegments[2] === 'users') {
+        selected = subNavEl.find('li.users > a').addClass('selected');
+      } else if (urlSegments[2] === 'engage') {
+        selected = subNavEl.find('li.engage > a').addClass('selected');
+      } else if (urlSegments[2] === 'monetize') {
+        selected = subNavEl.find('li.monetize > a').addClass('selected');
+      } else if (urlSegments[2] === 'analyze') {
+        selected = subNavEl.find('li.analyze > a').addClass('selected');
+      } else if (urlSegments[2] === 'tools') {
+        selected = subNavEl.find('li.disttools > a').addClass('selected');
+      } else if (urlSegments[2] === 'stories') {
+        selected = subNavEl.find('li.stories > a').addClass('selected');
+      } else if (urlSegments[2] === 'essentials') {
+        selected = subNavEl.find('li.essentials > a').addClass('selected');
+      } else if (urlSegments[2] === 'googleplay') {
+        selected = subNavEl.find('li.googleplay > a').addClass('selected');
+      } else {
+        selected = parentNavEl.removeClass('has-subnav').addClass('selected');
+      }
+    } else if (body.hasClass('preview')) {
+      selected = navEl.find('> li.preview > a').addClass('selected');
+    }
+    return $(selected);
+  };
+})(jQuery);
 
+(function($) {
+  'use strict';
 
+  /**
+   * Toggle the visabilty of the mobile navigation.
+   * @param {HTMLElement} el - The DOM element.
+   * @param {Object} options
+   * @constructor
+   */
+  function ToggleNav(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, ToggleNav.DEFAULTS_, options);
+    this.body = $(document.body);
+    this.navigation_ = this.body.find(this.options.navigation);
+    this.el.on('click', this.clickHandler_.bind(this));
+  }
 
+  ToggleNav.BREAKPOINT_ = 980;
 
-/* ######################################################## */
-/* #################  JAVADOC REFERENCE ################### */
-/* ######################################################## */
+  /**
+   * Open on correct sizes
+   */
+  function toggleSidebarVisibility(body) {
+    var wasClosed = ('' + localStorage.getItem('navigation-open')) === 'false';
+    // Override the local storage setting for navigation-open for child sites
+    // with no-subnav class.
+    if (document.body.classList.contains('no-subnav')) {
+      wasClosed = false;
+    }
 
-/* Initialize some droiddoc stuff, but only if we're in the reference */
-if (location.pathname.indexOf("/reference") == 0) {
-  if(!(location.pathname.indexOf("/reference-gms/packages.html") == 0)
-    && !(location.pathname.indexOf("/reference-gcm/packages.html") == 0)
-    && !(location.pathname.indexOf("/reference/com/google") == 0)) {
-    $(document).ready(function() {
-      // init available apis based on user pref
-      changeApiLevel();
-      initSidenavHeightResize()
-      });
+    if (wasClosed) {
+      body.removeClass(ToggleNav.DEFAULTS_.activeClass);
+    } else if (window.innerWidth >= ToggleNav.BREAKPOINT_) {
+      body.addClass(ToggleNav.DEFAULTS_.activeClass);
+    } else {
+      body.removeClass(ToggleNav.DEFAULTS_.activeClass);
+    }
   }
-}
 
-var API_LEVEL_COOKIE = "api_level";
-var minLevel = 1;
-var maxLevel = 1;
+  /**
+   * ToggleNav Default Settings
+   * @type {{body: boolean, dimmer: string, navigation: string, activeClass: string}}
+   * @private
+   */
+  ToggleNav.DEFAULTS_ = {
+    body: true,
+    dimmer: '.dac-nav-dimmer',
+    animatingClass: 'dac-nav-animating',
+    navigation: '[data-dac-nav]',
+    activeClass: 'dac-nav-open'
+  };
 
-/******* SIDENAV DIMENSIONS ************/
+  /**
+   * The actual toggle logic.
+   * @param {Event} event
+   * @private
+   */
+  ToggleNav.prototype.clickHandler_ = function(event) {
+    event.preventDefault();
+    var animatingClass = this.options.animatingClass;
+    var body = this.body;
 
-  function initSidenavHeightResize() {
-    // Change the drag bar size to nicely fit the scrollbar positions
-    var $dragBar = $(".ui-resizable-s");
-    $dragBar.css({'width': $dragBar.parent().width() - 5 + "px"});
+    body.addClass(animatingClass);
+    body.toggleClass(this.options.activeClass);
 
-    $( "#resize-packages-nav" ).resizable({
-      containment: "#nav-panels",
-      handles: "s",
-      alsoResize: "#packages-nav",
-      resize: function(event, ui) { resizeNav(); }, /* resize the nav while dragging */
-      stop: function(event, ui) { saveNavPanels(); } /* once stopped, save the sizes to cookie  */
-      });
+    setTimeout(function() {
+      body.removeClass(animatingClass);
+    }, this.navigation_.transitionDuration());
 
-  }
+    if (window.innerWidth >= ToggleNav.BREAKPOINT_) {
+      localStorage.setItem('navigation-open', body.hasClass(this.options.activeClass));
+    }
+  };
 
-function updateSidenavFixedWidth() {
-  if (!sticky) return;
-  $('#devdoc-nav').css({
-    'width' : $('#side-nav').css('width'),
-    'margin' : $('#side-nav').css('margin')
-  });
-  $('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacToggleMobileNav = function() {
+    return this.each(function() {
+      var el = $(this);
+      new ToggleNav(el, el.data());
+    });
+  };
 
-  initSidenavHeightResize();
-}
+  $.fn.dacSidebarToggle = function(body) {
+    toggleSidebarVisibility(body);
+    $(window).on('resize', toggleSidebarVisibility.bind(null, body));
+  };
 
-function updateSidenavFullscreenWidth() {
-  if (!sticky) return;
-  $('#devdoc-nav').css({
-    'width' : $('#side-nav').css('width'),
-    'margin' : $('#side-nav').css('margin')
+  /**
+   * Data Attribute API
+   */
+  $(function() {
+    $('[data-dac-toggle-nav]').dacToggleMobileNav();
   });
-  $('#devdoc-nav .totop').css({'left': 'inherit'});
-
-  initSidenavHeightResize();
-}
+})(jQuery);
 
-function buildApiLevelSelector() {
-  maxLevel = SINCE_DATA.length;
-  var userApiLevel = parseInt(readCookie(API_LEVEL_COOKIE));
-  userApiLevel = userApiLevel == 0 ? maxLevel : userApiLevel; // If there's no cookie (zero), use the max by default
+(function($) {
+  'use strict';
 
-  minLevel = parseInt($("#doc-api-level").attr("class"));
-  // Handle provisional api levels; the provisional level will always be the highest possible level
-  // Provisional api levels will also have a length; other stuff that's just missing a level won't,
-  // so leave those kinds of entities at the default level of 1 (for example, the R.styleable class)
-  if (isNaN(minLevel) && minLevel.length) {
-    minLevel = maxLevel;
-  }
-  var select = $("#apiLevelSelector").html("").change(changeApiLevel);
-  for (var i = maxLevel-1; i >= 0; i--) {
-    var option = $("<option />").attr("value",""+SINCE_DATA[i]).append(""+SINCE_DATA[i]);
-  //  if (SINCE_DATA[i] < minLevel) option.addClass("absent"); // always false for strings (codenames)
-    select.append(option);
+  /**
+   * Submit the newsletter form to a Google Form.
+   * @param {HTMLElement} el - The Form DOM element.
+   * @constructor
+   */
+  function NewsletterForm(el) {
+    this.el = $(el);
+    this.form = this.el.find('form');
+    $('<iframe/>').hide()
+      .attr('name', 'dac-newsletter-iframe')
+      .attr('src', '')
+      .insertBefore(this.form);
+    this.el.find('[data-newsletter-language]').val(window.polyglot.t('newsletter.languageVal'));
+    this.form.on('submit', this.submitHandler_.bind(this));
   }
 
-  // get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
-  var selectedLevelItem = $("#apiLevelSelector option[value='"+userApiLevel+"']").get(0);
-  selectedLevelItem.setAttribute('selected',true);
-}
+  /**
+   * Milliseconds until modal has vanished after modal-close is triggered.
+   * @type {number}
+   * @private
+   */
+  NewsletterForm.CLOSE_DELAY_ = 300;
 
-function changeApiLevel() {
-  maxLevel = SINCE_DATA.length;
-  var selectedLevel = maxLevel;
+  /**
+   * Switch view to display form after close.
+   * @private
+   */
+  NewsletterForm.prototype.closeHandler_ = function() {
+    setTimeout(function() {
+      this.el.trigger('swap-reset');
+    }.bind(this), NewsletterForm.CLOSE_DELAY_);
+  };
 
-  selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
-  toggleVisisbleApis(selectedLevel, "body");
+  /**
+   * Reset the modal to initial state.
+   * @private
+   */
+  NewsletterForm.prototype.reset_ = function() {
+    this.form.trigger('reset');
+    this.el.one('modal-close', this.closeHandler_.bind(this));
+  };
 
-  writeCookie(API_LEVEL_COOKIE, selectedLevel, null);
+  /**
+   * Display a success view on submit.
+   * @private
+   */
+  NewsletterForm.prototype.submitHandler_ = function() {
+    this.el.one('swap-complete', this.reset_.bind(this));
+    this.el.trigger('swap-content');
+  };
 
-  if (selectedLevel < minLevel) {
-    var thing = ($("#jd-header").html().indexOf("package") != -1) ? "package" : "class";
-    $("#naMessage").show().html("<div><p><strong>This " + thing
-              + " requires API level " + minLevel + " or higher.</strong></p>"
-              + "<p>This document is hidden because your selected API level for the documentation is "
-              + selectedLevel + ". You can change the documentation API level with the selector "
-              + "above the left navigation.</p>"
-              + "<p>For more information about specifying the API level your app requires, "
-              + "read <a href='" + toRoot + "training/basics/supporting-devices/platforms.html'"
-              + ">Supporting Different Platform Versions</a>.</p>"
-              + "<input type='button' value='OK, make this page visible' "
-              + "title='Change the API level to " + minLevel + "' "
-              + "onclick='$(\"#apiLevelSelector\").val(\"" + minLevel + "\");changeApiLevel();' />"
-              + "</div>");
-  } else {
-    $("#naMessage").hide();
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacNewsletterForm = function(options) {
+    return this.each(function() {
+      new NewsletterForm(this, options);
+    });
+  };
+
+  /**
+   * Data Attribute API
+   */
+  $(document).on('ready.aranja', function() {
+    $('[data-newsletter]').each(function() {
+      $(this).dacNewsletterForm();
+    });
+  });
+})(jQuery);
+
+/* globals METADATA, YOUTUBE_RESOURCES, BLOGGER_RESOURCES */
+window.metadata = {};
+
+/**
+ * Prepare metadata and indices for querying.
+ */
+window.metadata.prepare = (function() {
+  // Helper functions.
+  function mergeArrays() {
+    return Array.prototype.concat.apply([], arguments);
   }
-}
 
-function toggleVisisbleApis(selectedLevel, context) {
-  var apis = $(".api",context);
-  apis.each(function(i) {
-    var obj = $(this);
-    var className = obj.attr("class");
-    var apiLevelIndex = className.lastIndexOf("-")+1;
-    var apiLevelEndIndex = className.indexOf(" ", apiLevelIndex);
-    apiLevelEndIndex = apiLevelEndIndex != -1 ? apiLevelEndIndex : className.length;
-    var apiLevel = className.substring(apiLevelIndex, apiLevelEndIndex);
-    if (apiLevel.length == 0) { // for odd cases when the since data is actually missing, just bail
-      return;
+  /**
+   * Creates lookup maps for a resource index.
+   * I.e. where MAP['some tag'][resource.id] === true when that resource has 'some tag'.
+   * @param resourceDict
+   * @returns {{}}
+   */
+  function buildResourceLookupMap(resourceDict) {
+    var map = {};
+    for (var key in resourceDict) {
+      var dictForKey = {};
+      var srcArr = resourceDict[key];
+      for (var i = 0; i < srcArr.length; i++) {
+        dictForKey[srcArr[i].index] = true;
+      }
+      map[key] = dictForKey;
     }
-    apiLevel = parseInt(apiLevel);
+    return map;
+  }
 
-    // Handle provisional api levels; if this item's level is the provisional one, set it to the max
-    var selectedLevelNum = parseInt(selectedLevel)
-    var apiLevelNum = parseInt(apiLevel);
-    if (isNaN(apiLevelNum)) {
-        apiLevelNum = maxLevel;
+  /**
+   * Merges metadata maps for english and the current language into the global store.
+   */
+  function mergeMetadataMap(name, locale) {
+    if (locale && locale !== 'en' && METADATA[locale]) {
+      METADATA[name] = $.extend(METADATA.en[name], METADATA[locale][name]);
+    } else {
+      METADATA[name] = METADATA.en[name];
     }
+  }
 
-    // Grey things out that aren't available and give a tooltip title
-    if (apiLevelNum > selectedLevelNum) {
-      obj.addClass("absent").attr("title","Requires API Level \""
-            + apiLevel + "\" or higher. To reveal, change the target API level "
-              + "above the left navigation.");
-    }
-    else obj.removeClass("absent").removeAttr("title");
-  });
-}
+  /**
+   * Index all resources by type, url, tag and category.
+   * @param resources
+   */
+  function createIndices(resources) {
+    // URL, type, tag and category lookups
+    var byType = METADATA.byType = {};
+    var byUrl = METADATA.byUrl = {};
+    var byTag = METADATA.byTag = {};
+    var byCategory = METADATA.byCategory = {};
+
+    for (var i = 0; i < resources.length; i++) {
+      var res = resources[i];
+
+      // Store index.
+      res.index = i;
+
+      // Index by type.
+      var type = res.type;
+      if (type) {
+        byType[type] = byType[type] || [];
+        byType[type].push(res);
+      }
 
+      // Index by tag.
+      var tags = res.tags || [];
+      for (var j = 0; j < tags.length; j++) {
+        var tag = tags[j];
+        if (tag) {
+          byTag[tag] = byTag[tag] || [];
+          byTag[tag].push(res);
+        }
+      }
 
+      // Index by category.
+      var category = res.category;
+      if (category) {
+        byCategory[category] = byCategory[category] || [];
+        byCategory[category].push(res);
+      }
 
+      // Index by url.
+      var url = res.url;
+      if (url) {
+        res.baseUrl = url.replace(/^intl\/\w+[\/]/, '');
+        byUrl[res.baseUrl] = res;
+      }
+    }
+    METADATA.hasType = buildResourceLookupMap(byType);
+    METADATA.hasTag = buildResourceLookupMap(byTag);
+    METADATA.hasCategory = buildResourceLookupMap(byCategory);
+  }
 
-/* #################  SIDENAV TREE VIEW ################### */
+  return function() {
+    // Only once.
+    if (METADATA.all) { return; }
+
+    // Get current language.
+    var locale = getLangPref();
+    // Merge english resources.
+    if (useDevsiteMetadata) {
+      var all_keys = Object.keys(METADATA['en']);
+      METADATA.all = []
+
+      $(all_keys).each(function(index, category) {
+        if (RESERVED_METADATA_CATEGORY_NAMES.indexOf(category) == -1) {
+          METADATA.all = mergeArrays(
+            METADATA.all,
+            METADATA.en[category]
+          );
+        }
+      });
 
-function new_node(me, mom, text, link, children_data, api_level)
-{
-  var node = new Object();
-  node.children = Array();
-  node.children_data = children_data;
-  node.depth = mom.depth + 1;
+      METADATA.all = mergeArrays(
+        METADATA.all,
+        YOUTUBE_RESOURCES,
+        BLOGGER_RESOURCES,
+        METADATA.en.extras
+      );
+    } else {
+      METADATA.all = mergeArrays(
+        METADATA.en.about,
+        METADATA.en.design,
+        METADATA.en.distribute,
+        METADATA.en.develop,
+        YOUTUBE_RESOURCES,
+        BLOGGER_RESOURCES,
+        METADATA.en.extras
+      );
+    }
 
-  node.li = document.createElement("li");
-  mom.get_children_ul().appendChild(node.li);
+    // Merge local language resources.
+    if (locale !== 'en' && METADATA[locale]) {
+      if (useDevsiteMetadata) {
+        all_keys = Object.keys(METADATA[locale]);
+        $(all_keys).each(function(index, category) {
+          if (RESERVED_METADATA_CATEGORY_NAMES.indexOf(category) == -1) {
+            METADATA.all = mergeArrays(
+              METADATA.all,
+              METADATA.en[category]
+            );
+          }
+        });
 
-  node.label_div = document.createElement("div");
-  node.label_div.className = "label";
-  if (api_level != null) {
-    $(node.label_div).addClass("api");
-    $(node.label_div).addClass("api-level-"+api_level);
-  }
-  node.li.appendChild(node.label_div);
+        METADATA.all = mergeArrays(
+          METADATA.all,
+          METADATA[locale].extras
+        );
+      } else {
+        METADATA.all = mergeArrays(
+          METADATA.all,
+          METADATA[locale].about,
+          METADATA[locale].design,
+          METADATA[locale].distribute,
+          METADATA[locale].develop,
+          METADATA[locale].extras
+        );
 
-  if (children_data != null) {
-    node.expand_toggle = document.createElement("a");
-    node.expand_toggle.href = "javascript:void(0)";
-    node.expand_toggle.onclick = function() {
-          if (node.expanded) {
-            $(node.get_children_ul()).slideUp("fast");
-            node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
-            node.expanded = false;
-          } else {
-            expand_node(me, node);
-          }
-       };
-    node.label_div.appendChild(node.expand_toggle);
+      }
+    }
 
-    node.plus_img = document.createElement("img");
-    node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
-    node.plus_img.className = "plus";
-    node.plus_img.width = "8";
-    node.plus_img.border = "0";
-    node.expand_toggle.appendChild(node.plus_img);
+    mergeMetadataMap('collections', locale);
+    mergeMetadataMap('searchHeroCollections', locale);
+    mergeMetadataMap('carousel', locale);
 
-    node.expanded = false;
-  }
+    // Create query indicies for resources.
+    createIndices(METADATA.all, locale);
 
-  var a = document.createElement("a");
-  node.label_div.appendChild(a);
-  node.label = document.createTextNode(text);
-  a.appendChild(node.label);
-  if (link) {
-    a.href = me.toroot + link;
-  } else {
-    if (children_data != null) {
-      a.className = "nolink";
-      a.href = "javascript:void(0)";
-      a.onclick = node.expand_toggle.onclick;
-      // This next line shouldn't be necessary.  I'll buy a beer for the first
-      // person who figures out how to remove this line and have the link
-      // toggle shut on the first try. --joeo@android.com
-      node.expanded = false;
-    }
-  }
+    // Reference metadata.
+    METADATA.androidReference = mergeArrays(
+        window.DATA, window.SUPPORT_WEARABLE_DATA, window.SUPPORT_TEST_DATA);
+    METADATA.googleReference = mergeArrays(window.GMS_DATA, window.GCM_DATA);
+  };
+})();
 
+/* global METADATA, util */
+window.metadata.query = (function($) {
+  var pageMap = {};
 
-  node.children_ul = null;
-  node.get_children_ul = function() {
-      if (!node.children_ul) {
-        node.children_ul = document.createElement("ul");
-        node.children_ul.className = "children_ul";
-        node.children_ul.style.display = "none";
-        node.li.appendChild(node.children_ul);
-      }
-      return node.children_ul;
-    };
+  function buildResourceList(opts) {
+    window.metadata.prepare();
+    var expressions = parseResourceQuery(opts.query || '');
+    var instanceMap = {};
+    var results = [];
 
-  return node;
-}
+    for (var i = 0; i < expressions.length; i++) {
+      var clauses = expressions[i];
 
+      // Get all resources for first clause
+      var resources = getResourcesForClause(clauses.shift());
 
+      // Concat to final results list
+      results = results.concat(resources.map(filterResources(clauses, i > 0, instanceMap)).filter(filterEmpty));
+    }
 
+    // Set correct order
+    if (opts.sortOrder && results.length) {
+      results = opts.sortOrder === 'random' ? util.shuffle(results) : results.sort(sortResultsByKey(opts.sortOrder));
+    }
 
-function expand_node(me, node)
-{
-  if (node.children_data && !node.expanded) {
-    if (node.children_visited) {
-      $(node.get_children_ul()).slideDown("fast");
-    } else {
-      get_node(me, node);
-      if ($(node.label_div).hasClass("absent")) {
-        $(node.get_children_ul()).addClass("absent");
+    // Slice max results.
+    if (opts.maxResults !== Infinity) {
+      results = results.slice(0, opts.maxResults);
+    }
+
+    // Remove page level duplicates
+    if (opts.allowDuplicates === undefined || opts.allowDuplicates === 'false') {
+      results = results.filter(removePageLevelDuplicates);
+
+      for (var index = 0; index < results.length; ++index) {
+        pageMap[results[index].index] = 1;
       }
-      $(node.get_children_ul()).slideDown("fast");
     }
-    node.plus_img.src = me.toroot + "assets/images/triangle-opened-small.png";
-    node.expanded = true;
 
-    // perform api level toggling because new nodes are new to the DOM
-    var selectedLevel = $("#apiLevelSelector option:selected").val();
-    toggleVisisbleApis(selectedLevel, "#side-nav");
+    return results;
   }
-}
 
-function get_node(me, mom)
-{
-  mom.children_visited = true;
-  for (var i in mom.children_data) {
-    var node_data = mom.children_data[i];
-    mom.children[i] = new_node(me, mom, node_data[0], node_data[1],
-        node_data[2], node_data[3]);
-  }
-}
+  function filterResources(clauses, removeDuplicates, map) {
+    return function(resource) {
+      var resourceIsAllowed = true;
 
-function this_page_relative(toroot)
-{
-  var full = document.location.pathname;
-  var file = "";
-  if (toroot.substr(0, 1) == "/") {
-    if (full.substr(0, toroot.length) == toroot) {
-      return full.substr(toroot.length);
-    } else {
-      // the file isn't under toroot.  Fail.
-      return null;
-    }
-  } else {
-    if (toroot != "./") {
-      toroot = "./" + toroot;
-    }
-    do {
-      if (toroot.substr(toroot.length-3, 3) == "../" || toroot == "./") {
-        var pos = full.lastIndexOf("/");
-        file = full.substr(pos) + file;
-        full = full.substr(0, pos);
-        toroot = toroot.substr(0, toroot.length-3);
+      // References must be defined.
+      if (resource === undefined) {
+        return;
       }
-    } while (toroot != "" && toroot != "/");
-    return file.substr(1);
-  }
-}
 
-function find_page(url, data)
-{
-  var nodes = data;
-  var result = null;
-  for (var i in nodes) {
-    var d = nodes[i];
-    if (d[1] == url) {
-      return new Array(i);
-    }
-    else if (d[2] != null) {
-      result = find_page(url, d[2]);
-      if (result != null) {
-        return (new Array(i).concat(result));
+      // Get canonical (localized) version of resource if possible.
+      resource = METADATA.byUrl[resource.baseUrl] || METADATA.byUrl[resource.url] || resource;
+
+      // Filter out resources already used
+      if (removeDuplicates) {
+        resourceIsAllowed = !map[resource.index];
       }
-    }
-  }
-  return null;
-}
 
-function init_default_navtree(toroot) {
-  // load json file for navtree data
-  $.getScript(toRoot + 'navtree_data.js', function(data, textStatus, jqxhr) {
-      // when the file is loaded, initialize the tree
-      if(jqxhr.status === 200) {
-          init_navtree("tree-list", toroot, NAVTREE_DATA);
+      // Must fulfill all criteria
+      if (clauses.length > 0) {
+        resourceIsAllowed = resourceIsAllowed && doesResourceMatchClauses(resource, clauses);
       }
-  });
 
-  // perform api level toggling because because the whole tree is new to the DOM
-  var selectedLevel = $("#apiLevelSelector option:selected").val();
-  toggleVisisbleApis(selectedLevel, "#side-nav");
-}
+      // Mark resource as used.
+      if (resourceIsAllowed) {
+        map[resource.index] = 1;
+      }
 
-function init_navtree(navtree_id, toroot, root_nodes)
-{
-  var me = new Object();
-  me.toroot = toroot;
-  me.node = new Object();
+      return resourceIsAllowed && resource;
+    };
+  }
 
-  me.node.li = document.getElementById(navtree_id);
-  me.node.children_data = root_nodes;
-  me.node.children = new Array();
-  me.node.children_ul = document.createElement("ul");
-  me.node.get_children_ul = function() { return me.node.children_ul; };
-  //me.node.children_ul.className = "children_ul";
-  me.node.li.appendChild(me.node.children_ul);
-  me.node.depth = 0;
+  function filterEmpty(resource) {
+    return resource;
+  }
 
-  get_node(me, me.node);
+  function sortResultsByKey(key) {
+    var desc = key.charAt(0) === '-';
 
-  me.this_page = this_page_relative(toroot);
-  me.breadcrumbs = find_page(me.this_page, root_nodes);
-  if (me.breadcrumbs != null && me.breadcrumbs.length != 0) {
-    var mom = me.node;
-    for (var i in me.breadcrumbs) {
-      var j = me.breadcrumbs[i];
-      mom = mom.children[j];
-      expand_node(me, mom);
+    if (desc) {
+      key = key.substring(1);
     }
-    mom.label_div.className = mom.label_div.className + " selected";
-    addLoadEvent(function() {
-      scrollIntoView("nav-tree");
-      });
-  }
-}
 
+    return function(x, y) {
+      return (desc ? -1 : 1) * (parseInt(x[key], 10) - parseInt(y[key], 10));
+    };
+  }
 
+  function getResourcesForClause(clause) {
+    switch (clause.attr) {
+      case 'type':
+        return METADATA.byType[clause.value];
+      case 'tag':
+        return METADATA.byTag[clause.value];
+      case 'collection':
+        var resources = METADATA.collections[clause.value] || {};
+        return getResourcesByUrlCollection(resources.resources);
+      case 'history':
+        return getResourcesByUrlCollection($.dacGetVisitedUrls(clause.value));
+      case 'section':
+        return getResourcesByUrlCollection([clause.value].sections);
+      default:
+        return [];
+    }
+  }
 
+  function getResourcesByUrlCollection(resources) {
+    return (resources || []).map(function(url) {
+      return METADATA.byUrl[url];
+    });
+  }
 
+  function removePageLevelDuplicates(resource) {
+    return resource && !pageMap[resource.index];
+  }
 
+  function doesResourceMatchClauses(resource, clauses) {
+    for (var i = 0; i < clauses.length; i++) {
+      var map;
+      switch (clauses[i].attr) {
+        case 'type':
+          map = METADATA.hasType[clauses[i].value];
+          break;
+        case 'tag':
+          map = METADATA.hasTag[clauses[i].value];
+          break;
+      }
 
+      if (!map || (!!clauses[i].negative ? map[resource.index] : !map[resource.index])) {
+        return clauses[i].negative;
+      }
+    }
 
+    return true;
+  }
 
-/* TODO: eliminate redundancy with non-google functions */
-function init_google_navtree(navtree_id, toroot, root_nodes)
-{
-  var me = new Object();
-  me.toroot = toroot;
-  me.node = new Object();
+  function parseResourceQuery(query) {
+    // Parse query into array of expressions (expression e.g. 'tag:foo + type:video')
+    var expressions = [];
+    var expressionStrs = query.split(',') || [];
+    for (var i = 0; i < expressionStrs.length; i++) {
+      var expr = expressionStrs[i] || '';
 
-  me.node.li = document.getElementById(navtree_id);
-  me.node.children_data = root_nodes;
-  me.node.children = new Array();
-  me.node.children_ul = document.createElement("ul");
-  me.node.get_children_ul = function() { return me.node.children_ul; };
-  //me.node.children_ul.className = "children_ul";
-  me.node.li.appendChild(me.node.children_ul);
-  me.node.depth = 0;
+      // Break expression into clauses (clause e.g. 'tag:foo')
+      var clauses = [];
+      var clauseStrs = expr.split(/(?=[\+\-])/);
+      for (var j = 0; j < clauseStrs.length; j++) {
+        var clauseStr = clauseStrs[j] || '';
 
-  get_google_node(me, me.node);
-}
+        // Get attribute and value from clause (e.g. attribute='tag', value='foo')
+        var parts = clauseStr.split(':');
+        var clause = {};
 
-function new_google_node(me, mom, text, link, children_data, api_level)
-{
-  var node = new Object();
-  var child;
-  node.children = Array();
-  node.children_data = children_data;
-  node.depth = mom.depth + 1;
-  node.get_children_ul = function() {
-      if (!node.children_ul) {
-        node.children_ul = document.createElement("ul");
-        node.children_ul.className = "tree-list-children";
-        node.li.appendChild(node.children_ul);
-      }
-      return node.children_ul;
-    };
-  node.li = document.createElement("li");
+        clause.attr = parts[0].replace(/^\s+|\s+$/g, '');
+        if (clause.attr) {
+          if (clause.attr.charAt(0) === '+') {
+            clause.attr = clause.attr.substring(1);
+          } else if (clause.attr.charAt(0) === '-') {
+            clause.negative = true;
+            clause.attr = clause.attr.substring(1);
+          }
+        }
 
-  mom.get_children_ul().appendChild(node.li);
+        if (parts.length > 1) {
+          clause.value = parts[1].replace(/^\s+|\s+$/g, '');
+        }
 
+        clauses.push(clause);
+      }
 
-  if(link) {
-    child = document.createElement("a");
+      if (!clauses.length) {
+        continue;
+      }
 
-  }
-  else {
-    child = document.createElement("span");
-    child.className = "tree-list-subtitle";
+      expressions.push(clauses);
+    }
 
+    return expressions;
   }
-  if (children_data != null) {
-    node.li.className="nav-section";
-    node.label_div = document.createElement("div");
-    node.label_div.className = "nav-section-header-ref";
-    node.li.appendChild(node.label_div);
-    get_google_node(me, node);
-    node.label_div.appendChild(child);
-  }
-  else {
-    node.li.appendChild(child);
-  }
-  if(link) {
-    child.href = me.toroot + link;
-  }
-  node.label = document.createTextNode(text);
-  child.appendChild(node.label);
 
-  node.children_ul = null;
+  return buildResourceList;
+})(jQuery);
 
-  return node;
-}
+/* global METADATA, getLangPref */
 
-function get_google_node(me, mom)
-{
-  mom.children_visited = true;
-  var linkText;
-  for (var i in mom.children_data) {
-    var node_data = mom.children_data[i];
-    linkText = node_data[0];
+window.metadata.search = (function() {
+  'use strict';
 
-    if(linkText.match("^"+"com.google.android")=="com.google.android"){
-      linkText = linkText.substr(19, linkText.length);
-    }
-      mom.children[i] = new_google_node(me, mom, linkText, node_data[1],
-          node_data[2], node_data[3]);
+  var currentLang = getLangPref();
+
+  function search(query) {
+    window.metadata.prepare();
+    return {
+      android: findDocsMatches(query, METADATA.androidReference),
+      docs: findDocsMatches(query, METADATA.googleReference),
+      resources: findResourceMatches(query)
+    };
   }
-}
 
+  function findDocsMatches(query, data) {
+    var results = [];
 
+    for (var i = 0; i < data.length; i++) {
+      var s = data[i];
+      if (query.length !== 0 && s.label.toLowerCase().indexOf(query.toLowerCase()) !== -1) {
+        results.push(s);
+      }
+    }
 
+    rankAutocompleteApiResults(query, results);
 
+    return results;
+  }
 
+  function findResourceMatches(query) {
+    var results = [];
 
-/****** NEW version of script to build google and sample navs dynamically ******/
-// TODO: update Google reference docs to tolerate this new implementation
+    // Search for matching JD docs
+    if (query.length >= 2) {
+      /* In some langs, spaces may be optional between certain non-Ascii word-glyphs. For
+       * those langs, only match query at word boundaries if query includes Ascii chars only.
+       */
+      var NO_BOUNDARY_LANGUAGES = ['ja','ko','vi','zh-cn','zh-tw'];
+      var isAsciiOnly = /^[\u0000-\u007f]*$/.test(query);
+      var noBoundaries = (NO_BOUNDARY_LANGUAGES.indexOf(window.getLangPref()) !== -1);
+      var exprBoundary = (!isAsciiOnly && noBoundaries) ? '' : '(?:^|\\s)';
+      var queryRegex = new RegExp(exprBoundary + query.toLowerCase(), 'g');
+
+      var all = METADATA.all;
+      for (var i = 0; i < all.length; i++) {
+        // current search comparison, with counters for tag and title,
+        // used later to improve ranking
+        var s = all[i];
+        s.matched_tag = 0;
+        s.matched_title = 0;
+        var matched = false;
+
+        // Check if query matches any tags; work backwards toward 1 to assist ranking
+        if (s.keywords) {
+          for (var j = s.keywords.length - 1; j >= 0; j--) {
+            // it matches a tag
+            if (s.keywords[j].toLowerCase().match(queryRegex)) {
+              matched = true;
+              s.matched_tag = j + 1; // add 1 to index position
+            }
+          }
+        }
 
-var NODE_NAME = 0;
-var NODE_HREF = 1;
-var NODE_GROUP = 2;
-var NODE_TAGS = 3;
-var NODE_CHILDREN = 4;
+        // Check if query matches doc title
+        if (s.title.toLowerCase().match(queryRegex)) {
+          matched = true;
+          s.matched_title = 1;
+        }
 
-function init_google_navtree2(navtree_id, data)
-{
-  var $containerUl = $("#"+navtree_id);
-  for (var i in data) {
-    var node_data = data[i];
-    $containerUl.append(new_google_node2(node_data));
+        // Remember the doc if it matches either
+        if (matched) {
+          results.push(s);
+        }
+      }
+
+      // Improve the current results
+      results = lookupBetterResult(results);
+
+      // Rank/sort all the matched pages
+      rankAutocompleteDocResults(results);
+
+      return results;
+    }
   }
 
-  // Make all third-generation list items 'sticky' to prevent them from collapsing
-  $containerUl.find('li li li.nav-section').addClass('sticky');
+  // Replaces a match with another resource by url, if it exists.
+  function lookupReplacementByUrl(match, url) {
+    var replacement = METADATA.byUrl[url];
 
-  initExpandableNavItems("#"+navtree_id);
-}
+    // Replacement resource does not exists.
+    if (!replacement) { return; }
 
-function new_google_node2(node_data)
-{
-  var linkText = node_data[NODE_NAME];
-  if(linkText.match("^"+"com.google.android")=="com.google.android"){
-    linkText = linkText.substr(19, linkText.length);
+    replacement.matched_title = Math.max(replacement.matched_title, match.matched_title);
+    replacement.matched_tag = Math.max(replacement.matched_tag, match.matched_tag);
+
+    return replacement;
   }
-  var $li = $('<li>');
-  var $a;
-  if (node_data[NODE_HREF] != null) {
-    $a = $('<a href="' + toRoot + node_data[NODE_HREF] + '" title="' + linkText + '" >'
-        + linkText + '</a>');
-  } else {
-    $a = $('<a href="#" onclick="return false;" title="' + linkText + '" >'
-        + linkText + '/</a>');
+
+  // Find the localized version of a page if it exists.
+  function lookupLocalizedVersion(match) {
+    return METADATA.byUrl[match.baseUrl] || METADATA.byUrl[match.url];
   }
-  var $childUl = $('<ul>');
-  if (node_data[NODE_CHILDREN] != null) {
-    $li.addClass("nav-section");
-    $a = $('<div class="nav-section-header">').append($a);
-    if (node_data[NODE_HREF] == null) $a.addClass('empty');
 
-    for (var i in node_data[NODE_CHILDREN]) {
-      var child_node_data = node_data[NODE_CHILDREN][i];
-      $childUl.append(new_google_node2(child_node_data));
-    }
-    $li.append($childUl);
+  // Find the main page for a tutorial when matching a subpage.
+  function lookupTutorialIndex(match) {
+    // Guard for non index tutorial pages.
+    if (match.type !== 'training' || match.url.indexOf('index.html') >= 0) { return; }
+
+    var indexUrl = match.url.replace(/[^\/]+$/, 'index.html');
+    return lookupReplacementByUrl(match, indexUrl);
   }
-  $li.prepend($a);
 
-  return $li;
-}
+  // Find related results which are a better match for the user.
+  function lookupBetterResult(matches) {
+    var newMatches = [];
 
+    matches = matches.filter(function(match) {
+      var newMatch = match;
+      newMatch = lookupTutorialIndex(newMatch) || newMatch;
+      newMatch = lookupLocalizedVersion(newMatch) || newMatch;
+
+      if (newMatch !== match) {
+        newMatches.push(newMatch);
+      }
 
+      return newMatch === match;
+    });
 
+    return toUnique(newMatches.concat(matches));
+  }
 
+  /* Order the jd doc result list based on match quality */
+  function rankAutocompleteDocResults(matches) {
+    if (!matches || !matches.length) {
+      return;
+    }
 
+    var _resultScoreFn = function(match) {
+      var score = 1.0;
 
+      // if the query matched a tag
+      if (match.matched_tag > 0) {
+        // multiply score by factor relative to position in tags list (max of 3)
+        score *= 3 / match.matched_tag;
 
+        // if it also matched the title
+        if (match.matched_title > 0) {
+          score *= 2;
+        }
+      } else if (match.matched_title > 0) {
+        score *= 3;
+      }
 
+      if (match.lang === currentLang) {
+        score *= 5;
+      }
 
+      return score;
+    };
 
+    for (var i = 0; i < matches.length; i++) {
+      matches[i].__resultScore = _resultScoreFn(matches[i]);
+    }
 
-function showGoogleRefTree() {
-  init_default_google_navtree(toRoot);
-  init_default_gcm_navtree(toRoot);
-}
+    matches.sort(function(a, b) {
+      var n = b.__resultScore - a.__resultScore;
 
-function init_default_google_navtree(toroot) {
-  // load json file for navtree data
-  $.getScript(toRoot + 'gms_navtree_data.js', function(data, textStatus, jqxhr) {
-      // when the file is loaded, initialize the tree
-      if(jqxhr.status === 200) {
-          init_google_navtree("gms-tree-list", toroot, GMS_NAVTREE_DATA);
-          highlightSidenav();
-          resizeNav();
+      if (n === 0) {
+        // lexicographical sort if scores are the same
+        n = (a.title < b.title) ? -1 : 1;
       }
-  });
-}
 
-function init_default_gcm_navtree(toroot) {
-  // load json file for navtree data
-  $.getScript(toRoot + 'gcm_navtree_data.js', function(data, textStatus, jqxhr) {
-      // when the file is loaded, initialize the tree
-      if(jqxhr.status === 200) {
-          init_google_navtree("gcm-tree-list", toroot, GCM_NAVTREE_DATA);
-          highlightSidenav();
-          resizeNav();
+      return n;
+    });
+  }
+
+  /* Order the result list based on match quality */
+  function rankAutocompleteApiResults(query, matches) {
+    query = query || '';
+    if (!matches || !matches.length) {
+      return;
+    }
+
+    // helper function that gets the last occurence index of the given regex
+    // in the given string, or -1 if not found
+    var _lastSearch = function(s, re) {
+      if (s === '') {
+        return -1;
       }
-  });
-}
+      var l = -1;
+      var tmp;
+      while ((tmp = s.search(re)) >= 0) {
+        if (l < 0) {
+          l = 0;
+        }
+        l += tmp;
+        s = s.substr(tmp + 1);
+      }
+      return l;
+    };
 
-function showSamplesRefTree() {
-  init_default_samples_navtree(toRoot);
-}
+    // helper function that counts the occurrences of a given character in
+    // a given string
+    var _countChar = function(s, c) {
+      var n = 0;
+      for (var i = 0; i < s.length; i++) {
+        if (s.charAt(i) === c) {
+          ++n;
+        }
+      }
+      return n;
+    };
 
-function init_default_samples_navtree(toroot) {
-  // load json file for navtree data
-  $.getScript(toRoot + 'samples_navtree_data.js', function(data, textStatus, jqxhr) {
-      // when the file is loaded, initialize the tree
-      if(jqxhr.status === 200) {
-          // hack to remove the "about the samples" link then put it back in
-          // after we nuke the list to remove the dummy static list of samples
-          var $firstLi = $("#nav.samples-nav > li:first-child").clone();
-          $("#nav.samples-nav").empty();
-          $("#nav.samples-nav").append($firstLi);
-
-          init_google_navtree2("nav.samples-nav", SAMPLES_NAVTREE_DATA);
-          highlightSidenav();
-          resizeNav();
-          if ($("#jd-content #samples").length) {
-            showSamples();
-          }
+    var queryLower = query.toLowerCase();
+    var queryAlnum = (queryLower.match(/\w+/) || [''])[0];
+    var partPrefixAlnumRE = new RegExp('\\b' + queryAlnum);
+    var partExactAlnumRE = new RegExp('\\b' + queryAlnum + '\\b');
+
+    var _resultScoreFn = function(result) {
+      // scores are calculated based on exact and prefix matches,
+      // and then number of path separators (dots) from the last
+      // match (i.e. favoring classes and deep package names)
+      var score = 1.0;
+      var labelLower = result.label.toLowerCase();
+      var t;
+      var partsAfter;
+      t = _lastSearch(labelLower, partExactAlnumRE);
+      if (t >= 0) {
+        // exact part match
+        partsAfter = _countChar(labelLower.substr(t + 1), '.');
+        score *= 200 / (partsAfter + 1);
+      } else {
+        t = _lastSearch(labelLower, partPrefixAlnumRE);
+        if (t >= 0) {
+          // part prefix match
+          partsAfter = _countChar(labelLower.substr(t + 1), '.');
+          score *= 20 / (partsAfter + 1);
+        }
       }
-  });
-}
 
-/* TOGGLE INHERITED MEMBERS */
+      return score;
+    };
 
-/* Toggle an inherited class (arrow toggle)
- * @param linkObj  The link that was clicked.
- * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
- *                'null' to simply toggle.
- */
-function toggleInherited(linkObj, expand) {
-    var base = linkObj.getAttribute("id");
-    var list = document.getElementById(base + "-list");
-    var summary = document.getElementById(base + "-summary");
-    var trigger = document.getElementById(base + "-trigger");
-    var a = $(linkObj);
-    if ( (expand == null && a.hasClass("closed")) || expand ) {
-        list.style.display = "none";
-        summary.style.display = "block";
-        trigger.src = toRoot + "assets/images/triangle-opened.png";
-        a.removeClass("closed");
-        a.addClass("opened");
-    } else if ( (expand == null && a.hasClass("opened")) || (expand == false) ) {
-        list.style.display = "block";
-        summary.style.display = "none";
-        trigger.src = toRoot + "assets/images/triangle-closed.png";
-        a.removeClass("opened");
-        a.addClass("closed");
+    for (var i = 0; i < matches.length; i++) {
+      // if the API is deprecated, default score is 0; otherwise, perform scoring
+      if (matches[i].deprecated === 'true') {
+        matches[i].__resultScore = 0;
+      } else {
+        matches[i].__resultScore = _resultScoreFn(matches[i]);
+      }
     }
-    return false;
-}
 
-/* Toggle all inherited classes in a single table (e.g. all inherited methods)
- * @param linkObj  The link that was clicked.
- * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
- *                'null' to simply toggle.
- */
-function toggleAllInherited(linkObj, expand) {
-  var a = $(linkObj);
-  var table = $(a.parent().parent().parent()); // ugly way to get table/tbody
-  var expandos = $(".jd-expando-trigger", table);
-  if ( (expand == null && a.text() == "[Expand]") || expand ) {
-    expandos.each(function(i) {
-      toggleInherited(this, true);
-    });
-    a.text("[Collapse]");
-  } else if ( (expand == null && a.text() == "[Collapse]") || (expand == false) ) {
-    expandos.each(function(i) {
-      toggleInherited(this, false);
-    });
-    a.text("[Expand]");
-  }
-  return false;
-}
+    matches.sort(function(a, b) {
+      var n = b.__resultScore - a.__resultScore;
 
-/* Toggle all inherited members in the class (link in the class title)
- */
-function toggleAllClassInherited() {
-  var a = $("#toggleAllClassInherited"); // get toggle link from class title
-  var toggles = $(".toggle-all", $("#body-content"));
-  if (a.text() == "[Expand All]") {
-    toggles.each(function(i) {
-      toggleAllInherited(this, true);
-    });
-    a.text("[Collapse All]");
-  } else {
-    toggles.each(function(i) {
-      toggleAllInherited(this, false);
+      if (n === 0) {
+        // lexicographical sort if scores are the same
+        n = (a.label < b.label) ? -1 : 1;
+      }
+
+      return n;
     });
-    a.text("[Expand All]");
   }
-  return false;
-}
 
-/* Expand all inherited members in the class. Used when initiating page search */
-function ensureAllInheritedExpanded() {
-  var toggles = $(".toggle-all", $("#body-content"));
-  toggles.each(function(i) {
-    toggleAllInherited(this, true);
-  });
-  $("#toggleAllClassInherited").text("[Collapse All]");
-}
+  // Destructive but fast toUnique.
+  // http://stackoverflow.com/a/25082874
+  function toUnique(array) {
+    var c;
+    var b = array.length || 1;
+
+    while (c = --b) {
+      while (c--) {
+        if (array[b] === array[c]) {
+          array.splice(c, 1);
+        }
+      }
+    }
+    return array;
+  }
 
+  return search;
+})();
 
-/* HANDLE KEY EVENTS
- * - Listen for Ctrl+F (Cmd on Mac) and expand all inherited members (to aid page search)
- */
-var agent = navigator['userAgent'].toLowerCase();
-var mac = agent.indexOf("macintosh") != -1;
+(function($) {
+  'use strict';
 
-$(document).keydown( function(e) {
-var control = mac ? e.metaKey && !e.ctrlKey : e.ctrlKey; // get ctrl key
-  if (control && e.which == 70) {  // 70 is "F"
-    ensureAllInheritedExpanded();
-  }
-});
+  /**
+   * Smoothly scroll to location on current page.
+   * @param el
+   * @param options
+   * @constructor
+   */
+  function ScrollButton(el, options) {
+    this.el = $(el);
+    this.target = $(this.el.attr('href'));
+    this.options = $.extend({}, ScrollButton.DEFAULTS_, options);
 
+    if (typeof this.options.offset === 'string') {
+      this.options.offset = $(this.options.offset).height();
+    }
 
+    this.el.on('click', this.clickHandler_.bind(this));
+  }
 
+  /**
+   * Default options
+   * @type {{duration: number, easing: string, offset: number, scrollContainer: string}}
+   * @private
+   */
+  ScrollButton.DEFAULTS_ = {
+    duration: 300,
+    easing: 'swing',
+    offset: '.dac-header',
+    scrollContainer: 'html, body'
+  };
 
+  /**
+   * Scroll logic
+   * @param event
+   * @private
+   */
+  ScrollButton.prototype.clickHandler_ = function(event) {
+    if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) {
+      return;
+    }
 
+    event.preventDefault();
 
-/* On-demand functions */
+    var position = this.getTargetPosition();
+    $(this.options.scrollContainer).animate({
+      scrollTop: position - this.options.offset
+    }, this.options);
+  };
 
-/** Move sample code line numbers out of PRE block and into non-copyable column */
-function initCodeLineNumbers() {
-  var numbers = $("#codesample-block a.number");
-  if (numbers.length) {
-    $("#codesample-line-numbers").removeClass("hidden").append(numbers);
-  }
+  ScrollButton.prototype.getTargetPosition = function() {
+    if (this.options.scrollContainer === ScrollButton.DEFAULTS_.scrollContainer) {
+      return this.target.offset().top;
+    }
+    var scrollContainer = $(this.options.scrollContainer)[0];
+    var currentEl = this.target[0];
+    var pos = 0;
+    while (currentEl !== scrollContainer && currentEl !== null) {
+      pos += currentEl.offsetTop;
+      currentEl = currentEl.offsetParent;
+    }
+    return pos;
+  };
 
-  $(document).ready(function() {
-    // select entire line when clicked
-    $("span.code-line").click(function() {
-      if (!shifted) {
-        selectText(this);
-      }
-    });
-    // invoke line link on double click
-    $(".code-line").dblclick(function() {
-      document.location.hash = $(this).attr('id');
-    });
-    // highlight the line when hovering on the number
-    $("#codesample-line-numbers a.number").mouseover(function() {
-      var id = $(this).attr('href');
-      $(id).css('background','#e7e7e7');
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacScrollButton = function(options) {
+    return this.each(function() {
+      new ScrollButton(this, options);
     });
-    $("#codesample-line-numbers a.number").mouseout(function() {
-      var id = $(this).attr('href');
-      $(id).css('background','none');
+  };
+
+  /**
+   * Data Attribute API
+   */
+  $(document).on('ready.aranja', function() {
+    $('[data-scroll-button]').each(function() {
+      $(this).dacScrollButton($(this).data());
     });
   });
-}
+})(jQuery);
 
-// create SHIFT key binder to avoid the selectText method when selecting multiple lines
-var shifted = false;
-$(document).bind('keyup keydown', function(e){shifted = e.shiftKey; return true;} );
+/* global getLangPref */
+(function($) {
+  var LANG;
 
-// courtesy of jasonedelman.com
-function selectText(element) {
-    var doc = document
-        , range, selection
-    ;
-    if (doc.body.createTextRange) { //ms
-        range = doc.body.createTextRange();
-        range.moveToElementText(element);
-        range.select();
-    } else if (window.getSelection) { //all others
-        selection = window.getSelection();
-        range = doc.createRange();
-        range.selectNodeContents(element);
-        selection.removeAllRanges();
-        selection.addRange(range);
+  function getSearchLang() {
+    if (!LANG) {
+      LANG = getLangPref();
+
+      // Fix zh-cn to be zh-CN.
+      LANG = LANG.replace(/-\w+/, function(m) { return m.toUpperCase(); });
     }
-}
+    return LANG;
+  }
 
+  function customSearch(query, start) {
+    var searchParams = {
+      // current cse instance:
+      //cx: '001482626316274216503:zu90b7s047u',
+      // new cse instance:
+      cx: '000521750095050289010:zpcpi1ea4s8',
+      key: 'AIzaSyCFhbGnjW06dYwvRCU8h_zjdpS4PYYbEe8',
+      q: query,
+      start: start || 1,
+      num: 9,
+      hl: getSearchLang(),
+      fields: 'queries,items(pagemap,link,title,htmlSnippet,formattedUrl)'
+    };
 
+    return $.get('https://content.googleapis.com/customsearch/v1?' +  $.param(searchParams));
+  }
 
+  function renderResults(el, results, searchAppliance) {
+    var referenceResults = searchAppliance.getReferenceResults();
+    if (!results.items) {
+      el.append($('<div>').text('No results'));
+      return;
+    }
 
-/** Display links and other information about samples that match the
-    group specified by the URL */
-function showSamples() {
-  var group = $("#samples").attr('class');
-  $("#samples").html("<p>Here are some samples for <b>" + group + "</b> apps:</p>");
+    for (var i = 0; i < results.items.length; i++) {
+      var item = results.items[i];
+      var isDuplicate = false;
+      $(referenceResults.android).each(function(index, result) {
+        if (item.link.indexOf(result.link) > -1) {
+          isDuplicate = true;
+          return false;
+        }
+      });
 
-  var $ul = $("<ul>");
-  $selectedLi = $("#nav li.selected");
+      if (!isDuplicate) {
+        var hasImage = item.pagemap && item.pagemap.cse_thumbnail;
+        var sectionMatch = item.link.match(/developer\.android\.com\/(\w*)/);
+        var section = (sectionMatch && sectionMatch[1]) || 'blog';
 
-  $selectedLi.children("ul").children("li").each(function() {
-      var $li = $("<li>").append($(this).find("a").first().clone());
-      $ul.append($li);
-  });
+        var entry = $('<div>').addClass('dac-custom-search-entry cols');
 
-  $("#samples").append($ul);
+        if (hasImage) {
+          var image = item.pagemap.cse_thumbnail[0];
+          entry.append($('<div>').addClass('dac-custom-search-image-wrapper')
+            .append($('<div>').addClass('dac-custom-search-image').css('background-image', 'url(' + image.src + ')')));
+        }
 
-}
+        entry.append($('<div>').addClass('dac-custom-search-text-wrapper')
+          .append($('<p>').addClass('dac-custom-search-section').text(section))
+          .append(
+            $('<a>').text(item.title).attr('href', item.link).wrap('<h2>').parent().addClass('dac-custom-search-title')
+          )
+          .append($('<p>').addClass('dac-custom-search-snippet').html(item.htmlSnippet.replace(/<br>/g, '')))
+          .append($('<a>').addClass('dac-custom-search-link').text(item.formattedUrl).attr('href', item.link)));
 
+        el.append(entry);
+      }
+    }
 
+    if (results.queries.nextPage) {
+      var loadMoreButton = $('<button id="dac-custom-search-load-more">')
+        .addClass('dac-custom-search-load-more')
+        .text('Load more')
+        .click(function() {
+          loadMoreResults(el, results, searchAppliance);
+        });
 
-/* ########################################################## */
-/* ###################  RESOURCE CARDS  ##################### */
-/* ########################################################## */
+      el.append(loadMoreButton);
+    }
+  };
 
-/** Handle resource queries, collections, and grids (sections). Requires
-    jd_tag_helpers.js and the *_unified_data.js to be loaded. */
+  function loadMoreResults(el, results, searchAppliance) {
+    var query = results.queries.request[0].searchTerms;
+    var start = results.queries.nextPage[0].startIndex;
+    var loadMoreButton = el.find('#dac-custom-search-load-more');
 
-(function() {
-  // Prevent the same resource from being loaded more than once per page.
-  var addedPageResources = {};
+    loadMoreButton.text('Loading more...');
 
-  $(document).ready(function() {
-    $('.resource-widget').each(function() {
-      initResourceWidget(this);
+    customSearch(query, start).then(function(results) {
+      loadMoreButton.remove();
+      renderResults(el, results, searchAppliance);
     });
+  }
 
-    /* Pass the line height to ellipsisfade() to adjust the height of the
-    text container to show the max number of lines possible, without
-    showing lines that are cut off. This works with the css ellipsis
-    classes to fade last text line and apply an ellipsis char. */
+  $.fn.customSearch = function(query, searchAppliance) {
+    var el = $(this);
 
-    //card text currently uses 15px line height.
-    var lineHeight = 15;
-    $('.card-info .text').ellipsisfade(lineHeight);
-  });
+    customSearch(query).then(function(results) {
+      el.empty();
+      renderResults(el, results, searchAppliance);
+    });
+  };
+})(jQuery);
 
-  /*
-    Three types of resource layouts:
-    Flow - Uses a fixed row-height flow using float left style.
-    Carousel - Single card slideshow all same dimension absolute.
-    Stack - Uses fixed columns and flexible element height.
-  */
-  function initResourceWidget(widget) {
-    var $widget = $(widget);
-    var isFlow = $widget.hasClass('resource-flow-layout'),
-        isCarousel = $widget.hasClass('resource-carousel-layout'),
-        isStack = $widget.hasClass('resource-stack-layout');
-
-    // find size of widget by pulling out its class name
-    var sizeCols = 1;
-    var m = $widget.get(0).className.match(/\bcol-(\d+)\b/);
-    if (m) {
-      sizeCols = parseInt(m[1], 10);
-    }
-
-    var opts = {
-      cardSizes: ($widget.data('cardsizes') || '').split(','),
-      maxResults: parseInt($widget.data('maxresults') || '100', 10),
-      itemsPerPage: $widget.data('itemsperpage'),
-      sortOrder: $widget.data('sortorder'),
-      query: $widget.data('query'),
-      section: $widget.data('section'),
-      sizeCols: sizeCols,
-      /* Added by LFL 6/6/14 */
-      resourceStyle: $widget.data('resourcestyle') || 'card',
-      stackSort: $widget.data('stacksort') || 'true'
-    };
+/* global METADATA */
 
-    // run the search for the set of resources to show
+(function($) {
+  $.fn.dacSearchRenderHero = function(resources, query) {
+    var el = $(this);
+    el.empty();
 
-    var resources = buildResourceList(opts);
+    var resource = METADATA.searchHeroCollections[query];
 
-    if (isFlow) {
-      drawResourcesFlowWidget($widget, opts, resources);
-    } else if (isCarousel) {
-      drawResourcesCarouselWidget($widget, opts, resources);
-    } else if (isStack) {
-      /* Looks like this got removed and is not used, so repurposing for the
-          homepage style layout.
-          Modified by LFL 6/6/14
-      */
-      //var sections = buildSectionList(opts);
-      opts['numStacks'] = $widget.data('numstacks');
-      drawResourcesStackWidget($widget, opts, resources/*, sections*/);
+    if (resource) {
+      el.dacHero(resource, true);
+      el.show();
+
+      return true;
+    } else {
+      el.hide();
     }
-  }
+  };
+})(jQuery);
 
-  /* Initializes a Resource Carousel Widget */
-  function drawResourcesCarouselWidget($widget, opts, resources) {
-    $widget.empty();
-    var plusone = true; //always show plusone on carousel
+(function($) {
+  $.fn.dacSearchRenderReferences = function(results, query) {
+    var referenceCard = $('.suggest-card.reference');
+    referenceCard.data('searchreferences.dac', {results: results, query: query});
+    renderResults(referenceCard, results, query, false);
+  };
 
-    $widget.addClass('resource-card slideshow-container')
-      .append($('<a>').addClass('slideshow-prev').text('Prev'))
-      .append($('<a>').addClass('slideshow-next').text('Next'));
+  var ROW_COUNT_COLLAPSED = 20;
+  var ROW_COUNT_EXPANDED = 40;
+  var ROW_COUNT_GOOGLE_COLLAPSED = 1;
+  var ROW_COUNT_GOOGLE_EXPANDED = 8;
 
-    var css = { 'width': $widget.width() + 'px',
-                'height': $widget.height() + 'px' };
+  function onSuggestionClick(e) {
+    devsite.analytics.trackAnalyticsEvent('event',
+        'Suggestion Click', 'clicked: ' + $(e.currentTarget).attr('href'),
+        'query: ' + $('#search_autocomplete').val().toLowerCase());
+  }
 
-    var $ul = $('<ul>');
+  function buildLink(match) {
+    var link = $('<a>').attr('href', window.toRoot + match.link);
 
-    for (var i = 0; i < resources.length; ++i) {
-      var $card = $('<a>')
-        .attr('href', cleanUrl(resources[i].url))
-        .decorateResourceCard(resources[i],plusone);
+    var label = match.label;
+    var classNameStart = label.match(/[A-Z]/) ? label.search(/[A-Z]/) : label.lastIndexOf('.') + 1;
+    var newLink = '<span class="namespace">' +
+      label.substr(0, classNameStart) +
+      '</span>' +
+      label.substr(classNameStart, label.length);
 
-      $('<li>').css(css)
-          .append($card)
-          .appendTo($ul);
-    }
+    link.html(newLink);
+    return link;
+  }
 
-    $('<div>').addClass('frame')
-      .append($ul)
-      .appendTo($widget);
+  function buildSuggestion(match, query) {
+    var li = $('<li>').addClass('dac-search-results-reference-entry');
 
-    $widget.dacSlideshow({
-      auto: true,
-      btnPrev: '.slideshow-prev',
-      btnNext: '.slideshow-next'
+    var link = buildLink(match);
+    link.highlightMatches(query);
+    li.append(link);
+    return li[0];
+  }
+
+  function buildResults(results, query) {
+    return results.map(function(match) {
+      return buildSuggestion(match, query);
     });
-  };
+  }
 
-  /* Initializes a Resource Card Stack Widget (column-based layout)
-     Modified by LFL 6/6/14
-   */
-  function drawResourcesStackWidget($widget, opts, resources, sections) {
-    // Don't empty widget, grab all items inside since they will be the first
-    // items stacked, followed by the resource query
-    var plusone = true; //by default show plusone on section cards
-    var cards = $widget.find('.resource-card').detach().toArray();
-    var numStacks = opts.numStacks || 1;
-    var $stacks = [];
-    var urlString;
+  function renderAndroidResults(list, gMatches, query) {
+    list.empty();
 
-    for (var i = 0; i < numStacks; ++i) {
-      $stacks[i] = $('<div>').addClass('resource-card-stack')
-          .appendTo($widget);
+    var header = $('<li class="dac-search-results-reference-header">android APIs</li>');
+    list.append(header);
+
+    if (gMatches.length > 0) {
+      list.removeClass('no-results');
+
+      var resources = buildResults(gMatches, query);
+      list.append(resources);
+      return true;
+    } else {
+      list.append('<li class="dac-search-results-reference-entry-empty">No results</li>');
     }
+  }
 
-    var sectionResources = [];
+  function renderGoogleDocsResults(list, gGoogleMatches, query) {
+    list = $('.suggest-card.reference ul');
 
-    // Extract any subsections that are actually resource cards
-    if (sections) {
-      for (var i = 0; i < sections.length; ++i) {
-        if (!sections[i].sections || !sections[i].sections.length) {
-          // Render it as a resource card
-          sectionResources.push(
-            $('<a>')
-              .addClass('resource-card section-card')
-              .attr('href', cleanUrl(sections[i].resource.url))
-              .decorateResourceCard(sections[i].resource,plusone)[0]
-          );
+    if (gGoogleMatches.length > 0) {
+      list.append('<li class="dac-search-results-reference-header">in Google Services</li>');
 
-        } else {
-          cards.push(
-            $('<div>')
-              .addClass('resource-card section-card-menu')
-              .decorateResourceSection(sections[i],plusone)[0]
-          );
-        }
-      }
+      var resources = buildResults(gGoogleMatches, query);
+      list.append(resources);
+
+      return true;
     }
+  }
 
-    cards = cards.concat(sectionResources);
+  function renderResults(referenceCard, results, query, expanded) {
+    var list = referenceCard.find('ul');
+    list.toggleClass('is-expanded', !!expanded);
 
-    for (var i = 0; i < resources.length; ++i) {
-      var $card = createResourceElement(resources[i], opts);
+    // Figure out how many results we can show in our fixed size box.
+    var total = expanded ? ROW_COUNT_EXPANDED : ROW_COUNT_COLLAPSED;
+    var googleCount = expanded ? ROW_COUNT_GOOGLE_EXPANDED : ROW_COUNT_GOOGLE_COLLAPSED;
+    googleCount = Math.max(googleCount, total - results.android.length);
+    googleCount = Math.min(googleCount, results.docs.length);
 
-      if (opts.resourceStyle.indexOf('related') > -1) {
-        $card.addClass('related-card');
-      }
+    if (googleCount > 0) {
+      // If there are google results, reserve space for its header.
+      googleCount++;
+    }
 
-      cards.push($card[0]);
+    var androidCount = Math.max(0, total - googleCount);
+    if (androidCount === 0) {
+      // Reserve space for "No reference results"
+      googleCount--;
     }
 
-    if (opts.stackSort != 'false') {
-      for (var i = 0; i < cards.length; ++i) {
-        // Find the stack with the shortest height, but give preference to
-        // left to right order.
-        var minHeight = $stacks[0].height();
-        var minIndex = 0;
+    renderAndroidResults(list, results.android.slice(0, androidCount), query);
+    renderGoogleDocsResults(list, results.docs.slice(0, googleCount - 1), query);
 
-        for (var j = 1; j < numStacks; ++j) {
-          var height = $stacks[j].height();
-          if (height < minHeight - 45) {
-            minHeight = height;
-            minIndex = j;
-          }
-        }
+    var totalResults = results.android.length + results.docs.length;
+    if (totalResults === 0) {
+      list.addClass('no-results');
+    }
 
-        $stacks[minIndex].append($(cards[i]));
-      }
+    // Tweak see more logic to account for references.
+    var hasMore = totalResults > ROW_COUNT_COLLAPSED && !util.matchesMedia('mobile');
+    if (hasMore) {
+      // We can't actually show all matches, only as many as the expanded list
+      // will fit, so we actually lie if the total results count is more
+      var moreCount = Math.min(totalResults, ROW_COUNT_EXPANDED + ROW_COUNT_GOOGLE_EXPANDED);
+      var $moreLink = $('<li class="dac-search-results-reference-entry-empty " data-toggle="show-more">see more matches</li>');
+      list.append($moreLink.on('click', onToggleMore));
     }
+    var searchEl = $('#search-resources');
+    searchEl.toggleClass('dac-has-more', searchEl.hasClass('dac-has-more') || (hasMore && !expanded));
+    searchEl.toggleClass('dac-has-less', searchEl.hasClass('dac-has-less') || (hasMore && expanded));
+  }
 
-  };
+  function onToggleMore(e) {
+    var link = $(e.currentTarget);
+    var referenceCard = $('.suggest-card.reference');
+    var data = referenceCard.data('searchreferences.dac');
 
-  /*
-    Create a resource card using the given resource object and a list of html
-     configured options. Returns a jquery object containing the element.
-  */
-  function createResourceElement(resource, opts, plusone) {
-    var $el;
+    if (util.matchesMedia('mobile')) { return; }
 
-    // The difference here is that generic cards are not entirely clickable
-    // so its a div instead of an a tag, also the generic one is not given
-    // the resource-card class so it appears with a transparent background
-    // and can be styled in whatever way the css setup.
-    if (opts.resourceStyle == 'generic') {
-      $el = $('<div>')
-        .addClass('resource')
-        .attr('href', cleanUrl(resource.url))
-        .decorateResource(resource, opts);
-    } else {
-      var cls = 'resource resource-card';
+    renderResults(referenceCard, data.results, data.query, link.data('toggle') === 'show-more');
+  }
 
-      $el = $('<a>')
-        .addClass(cls)
-        .attr('href', cleanUrl(resource.url))
-        .decorateResourceCard(resource, plusone);
-    }
+  $(document).on('click', '.dac-search-results-resources [data-toggle="show-more"]', onToggleMore);
+  $(document).on('click', '.dac-search-results-resources [data-toggle="show-less"]', onToggleMore);
+  $(document).on('click', '.suggest-card.reference a', onSuggestionClick);
+})(jQuery);
 
-    return $el;
+(function($) {
+  function highlightPage(query, page) {
+    page.find('.title').highlightMatches(query);
   }
 
-  /* Initializes a flow widget, see distribute.scss for generating accompanying css */
-  function drawResourcesFlowWidget($widget, opts, resources) {
-    $widget.empty();
-    var cardSizes = opts.cardSizes || ['6x6'];
-    var i = 0, j = 0;
-    var plusone = true; // by default show plusone on resource cards
+  $.fn.dacSearchRenderResources = function(gDocsMatches, query) {
+    this.resourceWidget(gDocsMatches, {
+      itemsPerPage: 18,
+      initialResults: 6,
+      cardSizes: ['6x2'],
+      onRenderPage: highlightPage.bind(null, query)
+    });
 
-    while (i < resources.length) {
-      var cardSize = cardSizes[j++ % cardSizes.length];
-      cardSize = cardSize.replace(/^\s+|\s+$/,'');
-      // Some card sizes do not get a plusone button, such as where space is constrained
-      // or for cards commonly embedded in docs (to improve overall page speed).
-      plusone = !((cardSize == "6x2") || (cardSize == "6x3") ||
-                  (cardSize == "9x2") || (cardSize == "9x3") ||
-                  (cardSize == "12x2") || (cardSize == "12x3"));
+    return this;
+  };
+})(jQuery);
 
-      // A stack has a third dimension which is the number of stacked items
-      var isStack = cardSize.match(/(\d+)x(\d+)x(\d+)/);
-      var stackCount = 0;
-      var $stackDiv = null;
+/*global metadata */
+
+(function($, metadata) {
+  'use strict';
+
+  function Search() {
+    this.body = $('body');
+    this.lastQuery = null;
+    this.searchResults = $('#search-results');
+    this.searchClose = $('[data-search-close]');
+    this.searchClear = $('[data-search-clear]');
+    this.searchInput = $('#search_autocomplete');
+    this.searchResultsContent = $('#dac-search-results-content');
+    this.searchResultsFor = $('#search-results-for');
+    this.searchResultsHistory = $('#dac-search-results-history');
+    this.searchResultsResources = $('#search-resources');
+    this.searchResultsHero = $('#dac-search-results-hero');
+    this.searchResultsReference = $('#dac-search-results-reference');
+    this.searchHeader = $('[data-search]').data('search-input.dac');
+    this.pageNav = $('a[name=navigation]');
+    this.currQueryReferenceResults = {};
+    this.isOpen = false;
+  }
 
-      if (isStack) {
-        // Create a stack container which should have the dimensions defined
-        // by the product of the items inside.
-        $stackDiv = $('<div>').addClass('resource-card-stack resource-card-' + isStack[1]
-            + 'x' + isStack[2] * isStack[3]) .appendTo($widget);
+  Search.prototype.init = function() {
+    this.searchHistory = window.dacStore('search-history');
+
+    this.searchInput.focus(this.onSearchChanged.bind(this));
+    this.searchInput.keypress(this.handleKeyboardShortcut.bind(this));
+    this.pageNav.keyup(this.handleTabbedToNav.bind(this));
+    this.searchResults.keyup(this.handleKeyboardShortcut.bind(this));
+    this.searchInput.on('input', this.onSearchChanged.bind(this));
+    this.searchClear.click(this.clear.bind(this));
+    this.searchClose.click(this.close.bind(this));
+
+    this.customSearch = $.fn.debounce(function(query) {
+      $('#dac-custom-search-results').customSearch(query, this);
+    }.bind(this), 1000);
+    // Start search shortcut (/)
+    $('body').keyup(function(event) {
+      if (event.which === 191 && $(event.target).is(':not(:input)')) {
+        this.searchInput.focus();
       }
+    }.bind(this));
 
-      // Build each stack item or just a single item
-      do {
-        var resource = resources[i];
+    $(window).on('popstate', this.onPopState.bind(this));
+    $(window).hashchange(this.onHashChange.bind(this));
+    this.onHashChange();
+  };
 
-        var $card = createResourceElement(resources[i], opts, plusone);
+  Search.prototype.checkRedirectToIndex = function() {
+    var query = this.getUrlQuery();
+    var target = window.getLangTarget();
+    var prefix = (target !== 'en') ? '/intl/' + target : '';
+    var pathname = location.pathname.slice(prefix.length);
+    if (query != null && pathname !== '/index.html') {
+      location.href = prefix + '/index.html' + location.hash;
+      return true;
+    }
+  };
 
-        $card.addClass('resource-card-' + cardSize +
-          ' resource-card-' + resource.type);
+  Search.prototype.handleKeyboardShortcut = function(event) {
+    // Close (esc)
+    if (event.which === 27) {
+      this.searchClose.trigger('click');
+      event.preventDefault();
+    }
 
-        if (isStack) {
-          $card.addClass('resource-card-' + isStack[1] + 'x' + isStack[2]);
-          if (++stackCount == parseInt(isStack[3])) {
-            $card.addClass('resource-card-row-stack-last');
-            stackCount = 0;
-          }
-        } else {
-          stackCount = 0;
-        }
+    // Previous result (up arrow)
+    if (event.which === 38) {
+      this.previousResult();
+      event.preventDefault();
+    }
 
-        $card.appendTo($stackDiv || $widget);
+    // Next result (down arrow)
+    if (event.which === 40) {
+      this.nextResult();
+      event.preventDefault();
+    }
 
-      } while (++i < resources.length && stackCount > 0);
+    // Navigate to result (enter)
+    if (event.which === 13) {
+      this.navigateToResult();
+      event.preventDefault();
     }
-  }
+  };
 
-  /* Build a site map of resources using a section as a root. */
-  function buildSectionList(opts) {
-    if (opts.section && SECTION_BY_ID[opts.section]) {
-      return SECTION_BY_ID[opts.section].sections || [];
+  Search.prototype.handleTabbedToNav = function(event) {
+    if (this.isOpen) {
+      this.searchClose.trigger('click');
     }
-    return [];
   }
 
-  function buildResourceList(opts) {
-    var maxResults = opts.maxResults || 100;
-
-    var query = opts.query || '';
-    var expressions = parseResourceQuery(query);
-    var addedResourceIndices = {};
-    var results = [];
-
-    for (var i = 0; i < expressions.length; i++) {
-      var clauses = expressions[i];
+  Search.prototype.goToResult = function(relativeIndex) {
+    var links = this.searchResults.find('a').filter(':visible');
+    var selectedLink = this.searchResults.find('.dac-selected');
 
-      // build initial set of resources from first clause
-      var firstClause = clauses[0];
-      var resources = [];
-      switch (firstClause.attr) {
-        case 'type':
-          resources = ALL_RESOURCES_BY_TYPE[firstClause.value];
-          break;
-        case 'lang':
-          resources = ALL_RESOURCES_BY_LANG[firstClause.value];
-          break;
-        case 'tag':
-          resources = ALL_RESOURCES_BY_TAG[firstClause.value];
-          break;
-        case 'collection':
-          var urls = RESOURCE_COLLECTIONS[firstClause.value].resources || [];
-          resources = urls.map(function(url){ return ALL_RESOURCES_BY_URL[url]; });
-          break;
-        case 'section':
-          var urls = SITE_MAP[firstClause.value].sections || [];
-          resources = urls.map(function(url){ return ALL_RESOURCES_BY_URL[url]; });
-          break;
-      }
-      // console.log(firstClause.attr + ':' + firstClause.value);
-      resources = resources || [];
+    if (selectedLink.length) {
+      var found = $.inArray(selectedLink[0], links);
 
-      // use additional clauses to filter corpus
-      if (clauses.length > 1) {
-        var otherClauses = clauses.slice(1);
-        resources = resources.filter(getResourceMatchesClausesFilter(otherClauses));
+      selectedLink.removeClass('dac-selected');
+      links.eq(found + relativeIndex).addClass('dac-selected');
+      return true;
+    } else {
+      if (relativeIndex > 0) {
+        links.first().addClass('dac-selected');
       }
+    }
+  };
 
-      // filter out resources already added
-      if (i > 1) {
-        resources = resources.filter(getResourceNotAlreadyAddedFilter(addedResourceIndices));
-      }
+  Search.prototype.previousResult = function() {
+    this.goToResult(-1);
+  };
 
-      // add to list of already added indices
-      for (var j = 0; j < resources.length; j++) {
-        // console.log(resources[j].title);
-        addedResourceIndices[resources[j].index] = 1;
-      }
+  Search.prototype.nextResult = function() {
+    this.goToResult(1);
+  };
 
-      // concat to final results list
-      results = results.concat(resources);
-    }
+  Search.prototype.navigateToResult = function() {
+    var query = this.getQuery();
+    var selectedLink = this.searchResults.find('.dac-selected');
 
-    if (opts.sortOrder && results.length) {
-      var attr = opts.sortOrder;
-
-      if (opts.sortOrder == 'random') {
-        var i = results.length, j, temp;
-        while (--i) {
-          j = Math.floor(Math.random() * (i + 1));
-          temp = results[i];
-          results[i] = results[j];
-          results[j] = temp;
-        }
-      } else {
-        var desc = attr.charAt(0) == '-';
-        if (desc) {
-          attr = attr.substring(1);
-        }
-        results = results.sort(function(x,y) {
-          return (desc ? -1 : 1) * (parseInt(x[attr], 10) - parseInt(y[attr], 10));
-        });
+    if (selectedLink.length) {
+      selectedLink[0].click();
+    } else {
+      this.searchHistory.push(query);
+      this.addQueryToUrl(query);
+
+      var isMobileOrTablet = typeof window.orientation !== 'undefined';
+
+      if (isMobileOrTablet) {
+        this.searchInput.blur();
       }
     }
+  };
 
-    results = results.filter(getResourceNotAlreadyAddedFilter(addedPageResources));
-    results = results.slice(0, maxResults);
-
-    for (var j = 0; j < results.length; ++j) {
-      addedPageResources[results[j].index] = 1;
+  Search.prototype.onHashChange = function() {
+    var query = this.getUrlQuery();
+    if (query != null && query !== this.getQuery()) {
+      this.searchInput.val(query);
+      this.onSearchChanged();
     }
+  };
 
-    return results;
-  }
+  Search.prototype.clear = function() {
+    this.searchInput.val('');
+    window.location.hash = '';
+    this.onSearchChanged();
+    this.searchInput.focus();
+  };
 
+  Search.prototype.close = function() {
+    this.removeQueryFromUrl();
+    this.searchInput.blur();
+    this.hideOverlay();
+    this.pageNav.focus();
+    this.isOpen = false;
+  };
 
-  function getResourceNotAlreadyAddedFilter(addedResourceIndices) {
-    return function(resource) {
-      return !addedResourceIndices[resource.index];
-    };
-  }
+  Search.prototype.getUrlQuery = function() {
+    var queryMatch = location.hash.match(/q=(.*)&?/);
+    return queryMatch && queryMatch[1] && decodeURI(queryMatch[1]);
+  };
 
+  Search.prototype.getQuery = function() {
+    return this.searchInput.val().replace(/(^ +)|( +$)/g, '');
+  };
 
-  function getResourceMatchesClausesFilter(clauses) {
-    return function(resource) {
-      return doesResourceMatchClauses(resource, clauses);
-    };
-  }
+  Search.prototype.getReferenceResults = function() {
+    return this.currQueryReferenceResults;
+  };
 
+  Search.prototype.onSearchChanged = function() {
+    var query = this.getQuery();
 
-  function doesResourceMatchClauses(resource, clauses) {
-    for (var i = 0; i < clauses.length; i++) {
-      var map;
-      switch (clauses[i].attr) {
-        case 'type':
-          map = IS_RESOURCE_OF_TYPE[clauses[i].value];
-          break;
-        case 'lang':
-          map = IS_RESOURCE_IN_LANG[clauses[i].value];
-          break;
-        case 'tag':
-          map = IS_RESOURCE_TAGGED[clauses[i].value];
-          break;
-      }
+    this.showOverlay();
+    this.render(query);
+  };
 
-      if (!map || (!!clauses[i].negative ? map[resource.index] : !map[resource.index])) {
-        return clauses[i].negative;
+  Search.prototype.render = function(query) {
+    if (this.lastQuery === query) { return; }
+
+    if (query.length < 2) {
+      query = '';
+    }
+
+    this.lastQuery = query;
+    this.searchResultsFor.text(query);
+
+    // CSE results lag behind the metadata/reference results. We need to empty
+    // the CSE results and add 'Loading' text so user's aren't looking at two
+    // different sets of search results at one time.
+    var $loadingEl =
+        $('<div class="loadingCustomSearchResults">Loading Results...</div>');
+    $('#dac-custom-search-results').empty().prepend($loadingEl);
+
+    this.customSearch(query);
+    var metadataResults = metadata.search(query);
+    this.searchResultsResources.dacSearchRenderResources(metadataResults.resources, query);
+    this.searchResultsReference.dacSearchRenderReferences(metadataResults, query);
+    this.currQueryReferenceResults = metadataResults;
+    var hasHero = this.searchResultsHero.dacSearchRenderHero(metadataResults.resources, query);
+    var hasQuery = !!query;
+
+    this.searchResultsReference.toggle(!hasHero);
+    this.searchResultsContent.toggle(hasQuery);
+    this.searchResultsHistory.toggle(!hasQuery);
+    this.addQueryToUrl(query);
+    this.pushState();
+  };
+
+  Search.prototype.addQueryToUrl = function(query) {
+    var hash = 'q=' + encodeURI(query);
+
+    if (query) {
+      if (window.history.replaceState) {
+        window.history.replaceState(null, '', '#' + hash);
+      } else {
+        window.location.hash = hash;
       }
     }
-    return true;
-  }
+  };
 
-  function cleanUrl(url)
-  {
-    if (url && url.indexOf('//') === -1) {
-      url = toRoot + url;
+  Search.prototype.onPopState = function() {
+    if (!this.getUrlQuery()) {
+      this.hideOverlay();
+      this.searchHeader.unsetActiveState();
     }
+  };
 
-    return url;
-  }
+  Search.prototype.removeQueryFromUrl = function() {
+    window.location.hash = '';
+  };
 
+  Search.prototype.pushState = function() {
+    if (window.history.pushState && !this.lastQuery.length) {
+      window.history.pushState(null, '');
+    }
+  };
 
-  function parseResourceQuery(query) {
-    // Parse query into array of expressions (expression e.g. 'tag:foo + type:video')
-    var expressions = [];
-    var expressionStrs = query.split(',') || [];
-    for (var i = 0; i < expressionStrs.length; i++) {
-      var expr = expressionStrs[i] || '';
+  Search.prototype.showOverlay = function() {
+    this.isOpen = true;
+    this.body.addClass('dac-modal-open dac-search-open');
+  };
 
-      // Break expression into clauses (clause e.g. 'tag:foo')
-      var clauses = [];
-      var clauseStrs = expr.split(/(?=[\+\-])/);
-      for (var j = 0; j < clauseStrs.length; j++) {
-        var clauseStr = clauseStrs[j] || '';
+  Search.prototype.hideOverlay = function() {
+    this.body.removeClass('dac-modal-open dac-search-open');
+  };
 
-        // Get attribute and value from clause (e.g. attribute='tag', value='foo')
-        var parts = clauseStr.split(':');
-        var clause = {};
+  $(document).on('ready.aranja', function() {
+    var search = new Search();
+    search.init();
+  });
+})(jQuery, metadata);
+
+window.dacStore = (function(window) {
+  /**
+   * Creates a new persistent store.
+   * If localStorage is unavailable, the items are stored in memory.
+   *
+   * @constructor
+   * @param {string} name    The name of the store
+   * @param {number} maxSize The maximum number of items the store can hold.
+   */
+  var Store = function(name, maxSize) {
+    var content = [];
 
-        clause.attr = parts[0].replace(/^\s+|\s+$/g,'');
-        if (clause.attr) {
-          if (clause.attr.charAt(0) == '+') {
-            clause.attr = clause.attr.substring(1);
-          } else if (clause.attr.charAt(0) == '-') {
-            clause.negative = true;
-            clause.attr = clause.attr.substring(1);
-          }
-        }
+    var hasLocalStorage = !!window.localStorage;
 
-        if (parts.length > 1) {
-          clause.value = parts[1].replace(/^\s+|\s+$/g,'');
-        }
+    if (hasLocalStorage) {
+      try {
+        content = JSON.parse(window.localStorage.getItem(name) || []);
+      } catch (e) {
+        // Store contains invalid data
+        window.localStorage.removeItem(name);
+      }
+    }
 
-        clauses.push(clause);
+    function push(item) {
+      if (content[0] === item) {
+        return;
       }
 
-      if (!clauses.length) {
-        continue;
+      content.unshift(item);
+
+      if (maxSize) {
+        content.splice(maxSize, content.length);
       }
 
-      expressions.push(clauses);
+      if (hasLocalStorage) {
+        window.localStorage.setItem(name, JSON.stringify(content));
+      }
     }
 
-    return expressions;
-  }
-})();
+    function all() {
+      // Return a copy
+      return content.slice();
+    }
+
+    return {
+      push: push,
+      all: all
+    };
+  };
+
+  var stores = {
+    'search-history': new Store('search-history', 3)
+  };
+
+  /**
+   * Get a named persistent store.
+   * @param  {string} name
+   * @return {Store}
+   */
+  return function getStore(name) {
+    return stores[name];
+  };
+})(window);
 
 (function($) {
+  'use strict';
+
+  /**
+   * A component that swaps two dynamic height views with an animation.
+   * Listens for the following events:
+   * * swap-content: triggers SwapContent.swap_()
+   * * swap-reset: triggers SwapContent.reset()
+   * @param el
+   * @param options
+   * @constructor
+   */
+  function SwapContent(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, SwapContent.DEFAULTS_, options);
+    this.options.dynamic = this.options.dynamic === 'true';
+    this.containers = this.el.find(this.options.container);
+    this.initiallyActive = this.containers.children('.' + this.options.activeClass).eq(0);
+    this.el.on('swap-content', this.swap.bind(this));
+    this.el.on('swap-reset', this.reset.bind(this));
+    this.el.find(this.options.swapButton).on('click keypress', function(e) {
+      if (e.type == 'keypress' && e.which == 13 || e.type == 'click') {
+        this.swap();
+      }
+    }.bind(this));
+  }
 
-  /*
-    Utility method for creating dom for the description area of a card.
-    Used in decorateResourceCard and decorateResource.
-  */
-  function buildResourceCardDescription(resource, plusone) {
-    var $description = $('<div>').addClass('description ellipsis');
+  /**
+   * SwapContent's default settings.
+   * @type {{activeClass: string, container: string, transitionSpeed: number}}
+   * @private
+   */
+  SwapContent.DEFAULTS_ = {
+    activeClass: 'dac-active',
+    container: '[data-swap-container]',
+    dynamic: 'true',
+    swapButton: '[data-swap-button]',
+    transitionSpeed: 500
+  };
 
-    $description.append($('<div>').addClass('text').html(resource.summary));
+  /**
+   * Returns container's visible height.
+   * @param container
+   * @returns {number}
+   */
+  SwapContent.prototype.currentHeight = function(container) {
+    return container.children('.' + this.options.activeClass).outerHeight();
+  };
 
-    if (resource.cta) {
-      $description.append($('<a>').addClass('cta').html(resource.cta));
+  /**
+   * Reset to show initial content
+   */
+  SwapContent.prototype.reset = function() {
+    if (!this.initiallyActive.hasClass(this.initiallyActive)) {
+      this.containers.children().toggleClass(this.options.activeClass);
     }
+  };
 
-    if (plusone) {
-      var plusurl = resource.url.indexOf("//") > -1 ? resource.url :
-        "//developer.android.com/" + resource.url;
+  /**
+   * Complete the swap.
+   */
+  SwapContent.prototype.complete = function() {
+    this.containers.height('auto');
+    this.containers.trigger('swap-complete');
+  };
 
-      $description.append($('<div>').addClass('util')
-        .append($('<div>').addClass('g-plusone')
-          .attr('data-size', 'small')
-          .attr('data-align', 'right')
-          .attr('data-href', plusurl)));
-    }
+  /**
+   * Perform the swap of content.
+   */
+  SwapContent.prototype.swap = function() {
+    this.containers.each(function(index, container) {
+      container = $(container);
+
+      if (!this.options.dynamic) {
+        container.children().toggleClass(this.options.activeClass);
+        this.complete.bind(this);
+        $('.' + this.options.activeClass).focus();
+        return;
+      }
 
-    return $description;
-  }
+      container.height(this.currentHeight(container)).children().toggleClass(this.options.activeClass);
+      container.animate({height: this.currentHeight(container)}, this.options.transitionSpeed,
+        this.complete.bind(this));
+    }.bind(this));
+  };
 
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacSwapContent = function(options) {
+    return this.each(function() {
+      new SwapContent(this, options);
+    });
+  };
 
-  /* Simple jquery function to create dom for a standard resource card */
-  $.fn.decorateResourceCard = function(resource,plusone) {
-    var section = resource.group || resource.type;
-    var imgUrl = resource.image ||
-      'assets/images/resource-card-default-android.jpg';
+  /**
+   * Data Attribute API
+   */
+  $(document).on('ready.aranja', function() {
+    $('[data-swap]').each(function() {
+      $(this).dacSwapContent($(this).data());
+    });
+  });
+})(jQuery);
 
-    if (imgUrl.indexOf('//') === -1) {
-      imgUrl = toRoot + imgUrl;
-    }
+/* Tabs */
+(function($) {
+  'use strict';
 
-    $('<div>').addClass('card-bg')
-      .css('background-image', 'url(' + (imgUrl || toRoot +
-        'assets/images/resource-card-default-android.jpg') + ')')
-      .appendTo(this);
+  /**
+   * @param {HTMLElement} el - The DOM element.
+   * @param {Object} options
+   * @constructor
+   */
+  function Tabs(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, Tabs.DEFAULTS_, options);
+    this.init();
+  }
 
-    $('<div>').addClass('card-info' + (!resource.summary ? ' empty-desc' : ''))
-      .append($('<div>').addClass('section').text(section))
-      .append($('<div>').addClass('title').html(resource.title))
-      .append(buildResourceCardDescription(resource, plusone))
-      .appendTo(this);
+  Tabs.DEFAULTS_ = {
+    activeClass: 'dac-active',
+    viewDataAttr: 'tab-view',
+    itemDataAttr: 'tab-item'
+  };
 
-    return this;
+  Tabs.prototype.init = function() {
+    var itemDataAttribute = '[data-' + this.options.itemDataAttr + ']';
+    this.tabEl_ = this.el.find(itemDataAttribute);
+    this.tabViewEl_ = this.el.find('[data-' + this.options.viewDataAttr + ']');
+    this.el.on('click.dac-tabs', itemDataAttribute, this.changeTabs.bind(this));
   };
 
-  /* Simple jquery function to create dom for a resource section card (menu) */
-  $.fn.decorateResourceSection = function(section,plusone) {
-    var resource = section.resource;
-    //keep url clean for matching and offline mode handling
-    var urlPrefix = resource.image.indexOf("//") > -1 ? "" : toRoot;
-    var $base = $('<a>')
-        .addClass('card-bg')
-        .attr('href', resource.url)
-        .append($('<div>').addClass('card-section-icon')
-          .append($('<div>').addClass('icon'))
-          .append($('<div>').addClass('section').html(resource.title)))
-      .appendTo(this);
+  Tabs.prototype.changeTabs = function(event) {
+    var current = $(event.currentTarget);
+    var index = current.index();
 
-    var $cardInfo = $('<div>').addClass('card-info').appendTo(this);
+    if (current.hasClass(this.options.activeClass)) {
+      current.add(this.tabViewEl_.eq(index)).removeClass(this.options.activeClass);
+    } else {
+      this.tabEl_.add(this.tabViewEl_).removeClass(this.options.activeClass);
+      current.add(this.tabViewEl_.eq(index)).addClass(this.options.activeClass);
+    }
+  };
 
-    if (section.sections && section.sections.length) {
-      // Recurse the section sub-tree to find a resource image.
-      var stack = [section];
+  /**
+   * jQuery plugin
+   */
+  $.fn.dacTabs = function() {
+    return this.each(function() {
+      var el = $(this);
+      new Tabs(el, el.data());
+    });
+  };
 
-      while (stack.length) {
-        if (stack[0].resource.image) {
-          $base.css('background-image', 'url(' + urlPrefix + stack[0].resource.image + ')');
-          break;
-        }
+  /**
+   * Data Attribute API
+   */
+  $(function() {
+    $('[data-tabs]').dacTabs();
+  });
+})(jQuery);
 
-        if (stack[0].sections) {
-          stack = stack.concat(stack[0].sections);
-        }
+/* Toast Component */
+(function($) {
+  'use strict';
+  /**
+   * @constant
+   * @type {String}
+   */
+  var LOCAL_STORAGE_KEY = 'toast-closed-index';
 
-        stack.shift();
-      }
+  /**
+   * Dictionary from local storage.
+   */
+  var toastDictionary = localStorage.getItem(LOCAL_STORAGE_KEY);
+  toastDictionary = toastDictionary ? JSON.parse(toastDictionary) : {};
 
-      var $ul = $('<ul>')
-        .appendTo($cardInfo);
+  /**
+   * Variable used for caching the body.
+   */
+  var bodyCached;
 
-      var max = section.sections.length > 3 ? 3 : section.sections.length;
+  /**
+   * @param {HTMLElement} el - The DOM element.
+   * @param {Object} options
+   * @constructor
+   */
+  function Toast(el, options) {
+    this.el = $(el);
+    this.options = $.extend({}, Toast.DEFAULTS_, options);
+    this.init();
+  }
 
-      for (var i = 0; i < max; ++i) {
+  Toast.DEFAULTS_ = {
+    closeBtnClass: 'dac-toast-close-btn',
+    closeDuration: 200,
+    visibleClass: 'dac-visible',
+    wrapClass: 'dac-toast-wrap'
+  };
 
-        var subResource = section.sections[i];
-        if (!plusone) {
-          $('<li>')
-            .append($('<a>').attr('href', subResource.url)
-              .append($('<div>').addClass('title').html(subResource.title))
-              .append($('<div>').addClass('description ellipsis')
-                .append($('<div>').addClass('text').html(subResource.summary))
-                .append($('<div>').addClass('util'))))
-          .appendTo($ul);
-        } else {
-          $('<li>')
-            .append($('<a>').attr('href', subResource.url)
-              .append($('<div>').addClass('title').html(subResource.title))
-              .append($('<div>').addClass('description ellipsis')
-                .append($('<div>').addClass('text').html(subResource.summary))
-                .append($('<div>').addClass('util')
-                  .append($('<div>').addClass('g-plusone')
-                    .attr('data-size', 'small')
-                    .attr('data-align', 'right')
-                    .attr('data-href', resource.url)))))
-          .appendTo($ul);
-        }
-      }
+  /**
+   * Generate a close button.
+   * @returns {*|HTMLElement}
+   */
+  Toast.prototype.closeBtn = function() {
+    this.closeBtnEl = this.closeBtnEl || $('<button class="' + this.options.closeBtnClass + '">' +
+      '<span class="dac-button dac-raised dac-primary">OK</span>' +
+    '</button>');
+    return this.closeBtnEl;
+  };
 
-      // Add a more row
-      if (max < section.sections.length) {
-        $('<li>')
-          .append($('<a>').attr('href', resource.url)
-            .append($('<div>')
-              .addClass('title')
-              .text('More')))
-        .appendTo($ul);
-      }
-    } else {
-      // No sub-resources, just render description?
+  /**
+   * Initialize a new toast element
+   */
+  Toast.prototype.init = function() {
+    this.hash = this.el.text().replace(/[\s\n\t]/g, '').split('').slice(0, 128).join('');
+
+    if (toastDictionary[this.hash]) {
+      return;
     }
 
-    return this;
+    this.closeBtn().on('click', this.onClickHandler.bind(this));
+    this.el.find('.' + this.options.wrapClass).append(this.closeBtn());
+    this.el.addClass(this.options.visibleClass);
+    this.dynamicPadding(this.el.outerHeight());
+  };
+
+  /**
+   * Add padding to make sure all page is visible.
+   */
+  Toast.prototype.dynamicPadding = function(val) {
+    var currentPadding = parseInt(bodyCached.css('padding-bottom') || 0);
+    bodyCached.css('padding-bottom', val + currentPadding);
   };
 
+  /**
+   * Remove a toast from the DOM
+   */
+  Toast.prototype.remove = function() {
+    this.dynamicPadding(-this.el.outerHeight());
+    this.el.remove();
+  };
 
+  /**
+   * Handle removal of the toast.
+   */
+  Toast.prototype.onClickHandler = function() {
+    // Only fadeout toasts from top of stack. Others are removed immediately.
+    var duration = this.el.index() === 0 ? this.options.closeDuration : 0;
+    this.el.fadeOut(duration, this.remove.bind(this));
+
+    // Save closed state.
+    toastDictionary[this.hash] = 1;
+    localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(toastDictionary));
+  };
 
+  /**
+   * jQuery plugin
+   * @param  {object} options - Override default options.
+   */
+  $.fn.dacToast = function() {
+    return this.each(function() {
+      var el = $(this);
+      new Toast(el, el.data());
+    });
+  };
 
-  /* Render other types of resource styles that are not cards. */
-  $.fn.decorateResource = function(resource, opts) {
-    var imgUrl = resource.image ||
-      'assets/images/resource-card-default-android.jpg';
-    var linkUrl = resource.url;
+  /**
+   * Data Attribute API
+   */
+  $(function() {
+    bodyCached = $('#body-content');
+    $('[data-toast]').dacToast();
+  });
+})(jQuery);
 
-    if (imgUrl.indexOf('//') === -1) {
-      imgUrl = toRoot + imgUrl;
-    }
+(function($) {
+  function Toggle(el) {
+    $(el).on('click.dac.togglesection', this.toggle);
+  }
 
-    if (linkUrl && linkUrl.indexOf('//') === -1) {
-      linkUrl = toRoot + linkUrl;
-    }
+  Toggle.prototype.toggle = function() {
+    var $this = $(this);
 
-    $(this).append(
-      $('<div>').addClass('image')
-        .css('background-image', 'url(' + imgUrl + ')'),
-      $('<div>').addClass('info').append(
-        $('<h4>').addClass('title').html(resource.title),
-        $('<p>').addClass('summary').html(resource.summary),
-        $('<a>').attr('href', linkUrl).addClass('cta').html('Learn More')
-      )
-    );
+    var $parent = getParent($this);
+    var isExpanded = $parent.hasClass('is-expanded');
 
-    return this;
+    transitionMaxHeight($parent.find('.dac-toggle-content'), !isExpanded);
+    $parent.toggleClass('is-expanded');
+
+    return false;
   };
-})(jQuery);
 
+  function getParent($this) {
+    var selector = $this.attr('data-target');
 
-/* Calculate the vertical area remaining */
-(function($) {
-    $.fn.ellipsisfade= function(lineHeight) {
-        this.each(function() {
-            // get element text
-            var $this = $(this);
-            var remainingHeight = $this.parent().parent().height();
-            $this.parent().siblings().each(function ()
-            {
-              if ($(this).is(":visible")) {
-                var h = $(this).height();
-                remainingHeight = remainingHeight - h;
-              }
-            });
-
-            adjustedRemainingHeight = ((remainingHeight)/lineHeight>>0)*lineHeight
-            $this.parent().css({'height': adjustedRemainingHeight});
-            $this.css({'height': "auto"});
-        });
+    if (!selector) {
+      selector = $this.attr('href');
+      selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '');
+    }
 
-        return this;
-    };
-}) (jQuery);
+    var $parent = selector && $(selector);
 
-/*
-  Fullscreen Carousel
+    $parent = $parent && $parent.length ? $parent : $this.closest('.dac-toggle');
 
-  The following allows for an area at the top of the page that takes over the
-  entire browser height except for its top offset and an optional bottom
-  padding specified as a data attribute.
+    return $parent.length ? $parent : $this.parent();
+  }
 
-  HTML:
+  /**
+   * Runs a transition of max-height along with responsive styles which hide or expand the element.
+   * @param $el
+   * @param visible
+   */
+  function transitionMaxHeight($el, visible) {
+    var contentHeight = $el.prop('scrollHeight');
+    var targetHeight = visible ? contentHeight : 0;
+    var duration = $el.transitionDuration();
+
+    // If we're hiding, first set the maxHeight we're transitioning from.
+    if (!visible) {
+      $el.css({
+          transitionDuration: '0s',
+          maxHeight: contentHeight + 'px'
+        })
+        .resolveStyles()
+        .css('transitionDuration', '');
+    }
 
-  <div class="fullscreen-carousel">
-    <div class="fullscreen-carousel-content">
-      <!-- content here -->
-    </div>
-    <div class="fullscreen-carousel-content">
-      <!-- content here -->
-    </div>
+    // Transition to new state
+    $el.css('maxHeight', targetHeight);
+
+    // Reset maxHeight to css value after transition.
+    setTimeout(function() {
+      $el.css({
+          transitionDuration: '0s',
+          maxHeight: ''
+        })
+        .resolveStyles()
+        .css('transitionDuration', '');
+    }, duration);
+  }
 
-    etc ...
+  // Utility to get the transition duration for the element.
+  $.fn.transitionDuration = function() {
+    var d = $(this).css('transitionDuration') || '0s';
 
-  </div>
+    return +(parseFloat(d) * (/ms/.test(d) ? 1 : 1000)).toFixed(0);
+  };
 
-  Control over how the carousel takes over the screen can mostly be defined in
-  a css file. Setting min-height on the .fullscreen-carousel-content elements
-  will prevent them from shrinking to far vertically when the browser is very
-  short, and setting max-height on the .fullscreen-carousel itself will prevent
-  the area from becoming to long in the case that the browser is stretched very
-  tall.
+  // jQuery plugin
+  $.fn.toggleSection = function(option) {
+    return this.each(function() {
+      var $this = $(this);
+      var data = $this.data('dac.togglesection');
+      if (!data) {$this.data('dac.togglesection', (data = new Toggle(this)));}
+      if (typeof option === 'string') {data[option].call($this);}
+    });
+  };
 
-  There is limited functionality for having multiple sections since that request
-  was removed, but it is possible to add .next-arrow and .prev-arrow elements to
-  scroll between multiple content areas.
-*/
+  // Data api
+  $(document)
+    .on('click.toggle', '[data-toggle="section"]', Toggle.prototype.toggle);
+})(jQuery);
 
-(function() {
-  $(document).ready(function() {
-    $('.fullscreen-carousel').each(function() {
-      initWidget(this);
-    });
-  });
+(function(window) {
+  /**
+   * Media query breakpoints. Should match CSS.
+   */
+  var BREAKPOINTS = {
+    mobile: [0, 719],
+    tablet: [720, 959],
+    desktop: [960, 9999]
+  };
 
-  function initWidget(widget) {
-    var $widget = $(widget);
+  /**
+   * Fisher-Yates Shuffle (Knuth shuffle).
+   * @param {Array} input
+   * @returns {Array} shuffled array.
+   */
+  function shuffle(input) {
+    for (var i = input.length; i >= 0; i--) {
+      var randomIndex = Math.floor(Math.random() * (i + 1));
+      var randomItem = input[randomIndex];
+      input[randomIndex] = input[i];
+      input[i] = randomItem;
+    }
 
-    var topOffset = $widget.offset().top;
-    var padBottom = parseInt($widget.data('paddingbottom')) || 0;
-    var maxHeight = 0;
-    var minHeight = 0;
-    var $content = $widget.find('.fullscreen-carousel-content');
-    var $nextArrow = $widget.find('.next-arrow');
-    var $prevArrow = $widget.find('.prev-arrow');
-    var $curSection = $($content[0]);
+    return input;
+  }
 
-    if ($content.length <= 1) {
-      $nextArrow.hide();
-      $prevArrow.hide();
-    } else {
-      $nextArrow.click(function() {
-        var index = ($content.index($curSection) + 1);
-        $curSection.hide();
-        $curSection = $($content[index >= $content.length ? 0 : index]);
-        $curSection.show();
-      });
+  /**
+   * Matches media breakpoints like in CSS.
+   * @param {string} form of either mobile, tablet or desktop.
+   */
+  function matchesMedia(form) {
+    var breakpoint = BREAKPOINTS[form];
+    return window.innerWidth >= breakpoint[0] && window.innerWidth <= breakpoint[1];
+  }
 
-      $prevArrow.click(function() {
-        var index = ($content.index($curSection) - 1);
-        $curSection.hide();
-        $curSection = $($content[index < 0 ? $content.length - 1 : 0]);
-        $curSection.show();
-      });
-    }
+  window.util = {
+    shuffle: shuffle,
+    matchesMedia: matchesMedia
+  };
+})(window);
 
-    // Just hide all content sections except first.
-    $content.each(function(index) {
-      if ($(this).height() > minHeight) minHeight = $(this).height();
-      $(this).css({position: 'absolute',  display: index > 0 ? 'none' : ''});
-    });
+(function($, window) {
+  'use strict';
 
-    // Register for changes to window size, and trigger.
-    $(window).resize(resizeWidget);
-    resizeWidget();
+  var YouTubePlayer = (function() {
+    var player;
 
-    function resizeWidget() {
-      var height = $(window).height() - topOffset - padBottom;
-      $widget.width($(window).width());
-      $widget.height(height < minHeight ? minHeight :
-        (maxHeight && height > maxHeight ? maxHeight : height));
+    function VideoPlayer() {
+      this.mPlayerPaused = false;
+      this.doneSetup = false;
     }
-  }
-})();
 
+    VideoPlayer.prototype.setup = function() {
+      // loads the IFrame Player API code asynchronously.
+      $.getScript('https://www.youtube.com/iframe_api');
+
+      // Add the shadowbox HTML to the body
+      $('body').prepend(
+'<div id="video-player" class="Video">' +
+  '<div id="video-overlay" class="Video-overlay" />' +
+  '<div class="Video-container">' +
+    '<div class="Video-frame">' +
+      '<span class="Video-loading">Loading&hellip;</span>' +
+      '<div id="youTubePlayer"></div>' +
+    '</div>' +
+    '<div class="Video-controls">' +
+      '<button id="picture-in-picture" class="Video-button Video-button--picture-in-picture">' +
+      '<button id="close-video" class="Video-button Video-button--close" />' +
+    '</div>' +
+  '</div>' +
+'</div>');
 
+      this.videoPlayer = $('#video-player');
 
+      var pictureInPictureButton = this.videoPlayer.find('#picture-in-picture');
+      pictureInPictureButton.on('click.aranja', this.toggleMinimizeVideo.bind(this));
 
+      var videoOverlay = this.videoPlayer.find('#video-overlay');
+      var closeButton = this.videoPlayer.find('#close-video');
+      var closeVideo = this.closeVideo.bind(this);
+      videoOverlay.on('click.aranja', closeVideo);
+      closeButton.on('click.aranja', closeVideo);
 
-/*
-  Tab Carousel
+      this.doneSetup = true;
+    };
 
-  The following allows tab widgets to be installed via the html below. Each
-  tab content section should have a data-tab attribute matching one of the
-  nav items'. Also each tab content section should have a width matching the
-  tab carousel.
+    VideoPlayer.prototype.startYouTubePlayer = function(videoId) {
+      this.videoPlayer.show();
 
-  HTML:
+      if (!this.isLoaded) {
+        this.queueVideo = videoId;
+        return;
+      }
 
-  <div class="tab-carousel">
-    <ul class="tab-nav">
-      <li><a href="#" data-tab="handsets">Handsets</a>
-      <li><a href="#" data-tab="wearable">Wearable</a>
-      <li><a href="#" data-tab="tv">TV</a>
-    </ul>
+      this.mPlayerPaused = false;
+      // check if we've already created this player
+      if (!this.youTubePlayer) {
+        // check if there's a start time specified
+        var idAndHash = videoId.split('#');
+        var startTime = 0;
+        if (idAndHash.length > 1) {
+          startTime = idAndHash[1].split('t=')[1] !== undefined ? idAndHash[1].split('t=')[1] : 0;
+        }
+        // enable localized player
+        var lang = getLangPref();
+        var captionsOn = lang === 'en' ? 0 : 1;
+
+        this.youTubePlayer = new YT.Player('youTubePlayer', {
+          height: 720,
+          width: 1280,
+          videoId: idAndHash[0],
+          // jscs:disable requireCamelCaseOrUpperCaseIdentifiers
+          playerVars: {start: startTime, hl: lang, cc_load_policy: captionsOn},
+          // jscs:enable
+          events: {
+            'onReady': this.onPlayerReady.bind(this),
+            'onStateChange': this.onPlayerStateChange.bind(this)
+          }
+        });
+      } else {
+        // if a video different from the one already playing was requested, cue it up
+        if (videoId !== this.getVideoId()) {
+          this.youTubePlayer.cueVideoById(videoId);
+        }
+        this.youTubePlayer.playVideo();
+      }
+    };
 
-    <div class="tab-carousel-content">
-      <div data-tab="handsets">
-        <!--Full width content here-->
-      </div>
+    VideoPlayer.prototype.onPlayerReady = function(event) {
+      if (!isMobile) {
+        event.target.playVideo();
+        this.mPlayerPaused = false;
+      }
+    };
 
-      <div data-tab="wearable">
-        <!--Full width content here-->
-      </div>
+    VideoPlayer.prototype.toggleMinimizeVideo = function(event) {
+      event.stopPropagation();
+      this.videoPlayer.toggleClass('Video--picture-in-picture');
+    };
 
-      <div data-tab="tv">
-        <!--Full width content here-->
-      </div>
-    </div>
-  </div>
+    VideoPlayer.prototype.closeVideo = function() {
+      try {
+        this.youTubePlayer.pauseVideo();
+      } catch (e) {
+      }
+      this.videoPlayer.fadeOut(200, function() {
+        this.videoPlayer.removeClass('Video--picture-in-picture');
+      }.bind(this));
+    };
 
-*/
-(function() {
-  $(document).ready(function() {
-    $('.tab-carousel').each(function() {
-      initWidget(this);
-    });
-  });
+    VideoPlayer.prototype.getVideoId = function() {
+      // jscs:disable requireCamelCaseOrUpperCaseIdentifiers
+      return this.youTubePlayer && this.youTubePlayer.getVideoData().video_id;
+      // jscs:enable
+    };
 
-  function initWidget(widget) {
-    var $widget = $(widget);
-    var $nav = $widget.find('.tab-nav');
-    var $anchors = $nav.find('[data-tab]');
-    var $li = $nav.find('li');
-    var $contentContainer = $widget.find('.tab-carousel-content');
-    var $tabs = $contentContainer.find('[data-tab]');
-    var $curTab = $($tabs[0]); // Current tab is first tab.
-    var width = $widget.width();
+    /* Track youtube playback for analytics */
+    VideoPlayer.prototype.onPlayerStateChange = function(event) {
+      var videoId = this.getVideoId();
+      var currentTime = this.youTubePlayer && this.youTubePlayer.getCurrentTime();
 
-    // Setup nav interactivity.
-    $anchors.click(function(evt) {
-      evt.preventDefault();
-      var query = '[data-tab=' + $(this).data('tab') + ']';
-      transitionWidget($tabs.filter(query));
-    });
+      // Video starts, send the video ID
+      if (event.data === YT.PlayerState.PLAYING) {
+        if (this.mPlayerPaused) {
+          devsite.analytics.trackAnalyticsEvent('event',
+              'Videos', 'Resume', videoId);
+        } else {
+          // track the start playing event so we know from which page the video was selected
+          devsite.analytics.trackAnalyticsEvent('event',
+              'Videos', 'Start: ' + videoId, 'on: ' + document.location.href);
+        }
+        this.mPlayerPaused = false;
+      }
 
-    // Add highlight for navigation on first item.
-    var $highlight = $('<div>').addClass('highlight')
-      .css({left:$li.position().left + 'px', width:$li.outerWidth() + 'px'})
-      .appendTo($nav);
+      // Video paused, send video ID and video elapsed time
+      if (event.data === YT.PlayerState.PAUSED) {
+        devsite.analytics.trackAnalyticsEvent('event',
+            'Videos', 'Paused: ' + videoId, 'on: ' + currentTime);
+        this.mPlayerPaused = true;
+      }
 
-    // Store height since we will change contents to absolute.
-    $contentContainer.height($contentContainer.height());
+      // Video finished, send video ID and video elapsed time
+      if (event.data === YT.PlayerState.ENDED) {
+        devsite.analytics.trackAnalyticsEvent('event',
+            'Videos', 'Finished: ' + videoId, 'on: ' + currentTime);
+        this.mPlayerPaused = true;
+      }
+    };
 
-    // Absolutely position tabs so they're ready for transition.
-    $tabs.each(function(index) {
-      $(this).css({position: 'absolute', left: index > 0 ? width + 'px' : '0'});
-    });
+    return {
+      getPlayer: function() {
+        if (!player) {
+          player = new VideoPlayer();
+        }
 
-    function transitionWidget($toTab) {
-      if (!$curTab.is($toTab)) {
-        var curIndex = $tabs.index($curTab[0]);
-        var toIndex = $tabs.index($toTab[0]);
-        var dir = toIndex > curIndex ? 1 : -1;
+        return player;
+      }
+    };
+  })();
 
-        // Animate content sections.
-        $toTab.css({left:(width * dir) + 'px'});
-        $curTab.animate({left:(width * -dir) + 'px'});
-        $toTab.animate({left:'0'});
+  var videoPlayer = YouTubePlayer.getPlayer();
 
-        // Animate navigation highlight.
-        $highlight.animate({left:$($li[toIndex]).position().left + 'px',
-          width:$($li[toIndex]).outerWidth() + 'px'})
+  window.onYouTubeIframeAPIReady = function() {
+    videoPlayer.isLoaded = true;
 
-        // Store new current section.
-        $curTab = $toTab;
-      }
+    if (videoPlayer.queueVideo) {
+      videoPlayer.startYouTubePlayer(videoPlayer.queueVideo);
+    }
+  };
+
+  function wrapLinkInPlayer(e) {
+    e.preventDefault();
+
+    if (!videoPlayer.doneSetup) {
+      videoPlayer.setup();
+    }
+
+    var videoIdMatches = $(e.currentTarget).attr('href').match(/(?:youtu.be\/|v=)([^&]*)/);
+    var videoId = videoIdMatches && videoIdMatches[1];
+
+    if (videoId) {
+      videoPlayer.startYouTubePlayer(videoId);
     }
   }
-})();
+
+  $(document).on('click.video', 'a[href*="youtube.com/watch"], a[href*="youtu.be"]', wrapLinkInPlayer);
+})(jQuery, window);
+
+/**
+ * Wide table
+ *
+ * Wraps tables in a scrollable area so you can read them on mobile.
+ */
+(function($) {
+  function initWideTable() {
+    $('table.jd-sumtable').each(function(i, table) {
+      $(table).wrap('<div class="dac-expand wide-table">');
+    });
+  }
+
+  $(function() {
+    initWideTable();
+  });
+})(jQuery);
+
+/** Utilities */
+
+/* returns the given string with all HTML brackets converted to entities
+    TODO: move this to the site's JS library */
+function escapeHTML(string) {
+  return string.replace(/</g,"&lt;")
+                .replace(/>/g,"&gt;");
+};
+
+function getQueryVariable(variable) {
+  var query = window.location.search.substring(1);
+  var vars = query.split("&");
+  for (var i=0;i<vars.length;i++) {
+    var pair = vars[i].split("=");
+    if(pair[0] == variable){return pair[1];}
+  }
+  return(false);
+};
diff --git a/tools/droiddoc/templates-sdk/body_tag.cs b/tools/droiddoc/templates-sdk/body_tag.cs
new file mode 100644
index 000000000..5761b71f7
--- /dev/null
+++ b/tools/droiddoc/templates-sdk/body_tag.cs
@@ -0,0 +1,15 @@
+<body class="gc-documentation <?cs
+  if:(reference.gms || reference.gcm)
+    ?>google<?cs
+  /if ?><?cs
+  if:(guide||develop||training||reference||tools||sdk)
+    ?>develop<?cs
+    if:reference
+      ?> reference api apilevel-<?cs var:class.since ?><?cs var:package.since ?><?cs
+    /if ?><?cs
+  elif:design
+    ?>design<?cs
+  elif:distribute
+    ?>distribute<?cs
+  /if ?>">
+<div id="doc-api-level" class="<?cs var:class.since ?><?cs var:package.since ?>" style="display:none"></div>
diff --git a/tools/droiddoc/templates-sdk/class.cs b/tools/droiddoc/templates-sdk/class.cs
index 7aa99f968..dee7a4c9d 100644
--- a/tools/droiddoc/templates-sdk/class.cs
+++ b/tools/droiddoc/templates-sdk/class.cs
@@ -1,261 +1,92 @@
-<?cs include:"doctype.cs" ?>
+<?cs # THIS CREATES A CLASS OR INTERFACE PAGE FROM .java FILES ?>
 <?cs include:"macros.cs" ?>
 <?cs include:"macros_override.cs" ?>
-<html<?cs if:devsite ?> devsite<?cs /if ?>>
-<?cs include:"head_tag.cs" ?>
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-    if:reference ?> reference<?cs
-    /if ?><?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>" itemscope itemtype="http://schema.org/Article">
-  <div id="doc-api-level" class="<?cs var:class.since ?>" style="display:none"></div>
-  <a name="top"></a>
-<?cs include:"header.cs" ?>
-
-<div class="col-12"  id="doc-col">
-
-<div id="api-info-block">
-
-<?cs # are there inherited members ?>
-<?cs each:cl=class.inherited ?>
-  <?cs if:subcount(cl.methods) ?>
-   <?cs set:inhmethods = #1 ?>
-  <?cs /if ?>
-  <?cs if:subcount(cl.constants) ?>
-   <?cs set:inhconstants = #1 ?>
-  <?cs /if ?>
-  <?cs if:subcount(cl.fields) ?>
-   <?cs set:inhfields = #1 ?>
-  <?cs /if ?>
-  <?cs if:subcount(cl.attrs) ?>
-   <?cs set:inhattrs = #1 ?>
-  <?cs /if ?>
-<?cs /each ?>
-
-<div class="sum-details-links">
-<?cs if:inhattrs || inhconstants || inhfields || inhmethods || (!class.subclasses.hidden &&
-     (subcount(class.subclasses.direct) || subcount(class.subclasses.indirect))) ?>
-Summary:
-<?cs if:subcount(class.inners) ?>
-  <a href="#nestedclasses">Nested Classes</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.attrs) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#lattrs">XML Attrs</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhattrs ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhattrs">Inherited XML Attrs</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.enumConstants) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#enumconstants">Enums</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.constants) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#constants">Constants</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhconstants ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhconstants">Inherited Constants</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.fields) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#lfields">Fields</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhfields ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhfields">Inherited Fields</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.ctors.public) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#pubctors">Ctors</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.ctors.protected) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#proctors">Protected Ctors</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.methods.public) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#pubmethods">Methods</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:subcount(class.methods.protected) ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#promethods">Protected Methods</a>
-  <?cs set:linkcount = #1 ?>
-<?cs /if ?>
-<?cs if:inhmethods ?>
-  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhmethods">Inherited Methods</a>
-<?cs /if ?>
-&#124; <a href="#" onclick="return toggleAllClassInherited()" id="toggleAllClassInherited">[Expand All]</a>
-<?cs /if ?>
-</div><!-- end sum-details-links -->
-<div class="api-level">
-  <?cs call:since_tags(class) ?><?cs
-  if:class.deprecatedsince
-    ?><br>Deprecated since <a href="<?cs var:toroot ?>guide/topics/manifest/uses-sdk-element.html#ApiLevels"
-        >API level <?cs var:class.deprecatedsince ?></a><?cs
-  /if ?>
-  <?cs call:federated_refs(class) ?>
-</div>
-</div><!-- end api-info-block -->
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<!-- ======== START OF CLASS DATA ======== -->
-
-<div id="jd-header">
-    <?cs var:class.scope ?>
-    <?cs var:class.static ?> 
-    <?cs var:class.final ?> 
-    <?cs var:class.abstract ?>
-    <?cs var:class.kind ?>
-<h1 itemprop="name"><?cs var:class.name ?></h1>
-
-<?cs set:colspan = subcount(class.inheritance) ?>
-<?cs each:supr = class.inheritance ?>
-  <?cs if:colspan == 2 ?>
-    extends <?cs call:type_link(supr.short_class) ?><br/>
-  <?cs /if ?>
-  <?cs if:last(supr) && subcount(supr.interfaces) ?>
-      implements 
-      <?cs each:t=supr.interfaces ?>
-        <?cs call:type_link(t) ?> 
-      <?cs /each ?>
-  <?cs /if ?>
-  <?cs set:colspan = colspan-1 ?>
-<?cs /each ?>
-<?cs call:show_annotations_list(class) ?>
-
-</div><!-- end header -->
-
-<div id="naMessage"></div>
-
-<div id="jd-content" class="api apilevel-<?cs var:class.since ?>">
-<table class="jd-inheritance-table">
-<?cs set:colspan = subcount(class.inheritance) ?>
-<?cs each:supr = class.inheritance ?>
-    <tr>
-        <?cs loop:i = 1, (subcount(class.inheritance)-colspan), 1 ?>
-            <td class="jd-inheritance-space">&nbsp;<?cs if:(subcount(class.inheritance)-colspan) == i ?>&nbsp;&nbsp;&#x21b3;<?cs /if ?></td>
-        <?cs /loop ?> 	
-        <td colspan="<?cs var:colspan ?>" class="jd-inheritance-class-cell"><?cs
-            if:colspan == 1
-                ?><?cs call:class_name(class.qualifiedType) ?><?cs 
-            else 
-                ?><?cs call:type_link(supr.class) ?><?cs
-            /if ?></td>
-    </tr>
-    <?cs set:colspan = colspan-1 ?>
-<?cs /each ?>
-</table>
-
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-
-<?cs if:subcount(class.subclasses.direct) && !class.subclasses.hidden ?>
-<table class="jd-sumtable jd-sumtable-subclasses"><tr><td colspan="12" style="border:none;margin:0;padding:0;">
-<?cs call:expando_trigger("subclasses-direct", "closed") ?>Known Direct Subclasses
-<?cs call:expandable_class_list("subclasses-direct", class.subclasses.direct, "list") ?>
-</td></tr></table>
-<?cs /if ?>
-
-<?cs if:subcount(class.subclasses.indirect) && !class.subclasses.hidden ?>
-<table class="jd-sumtable jd-sumtable-subclasses"><tr><td colspan="12" style="border:none;margin:0;padding:0;">
-<?cs call:expando_trigger("subclasses-indirect", "closed") ?>Known Indirect Subclasses
-<?cs call:expandable_class_list("subclasses-indirect", class.subclasses.indirect, "list") ?>
-</td></tr></table>
-<?cs /if ?>
-
-<div class="jd-descr">
-<?cs call:deprecated_warning(class) ?>
-<?cs if:subcount(class.descr) ?>
-<h2>Class Overview</h2>
-<p itemprop="articleBody"><?cs call:tag_list(class.descr) ?></p>
-<?cs /if ?>
-
-<?cs call:see_also_tags(class.seeAlso) ?>
-
-</div><!-- jd-descr -->
-
-
-<?cs # summary macros ?>
-
-<?cs def:write_method_summary(methods, included) ?>
+<?cs
+####################
+# MACRO FUNCTION USED ONLY IN THIS TEMPLATE TO GENERATE API REFERENCE
+# FIRST, THE FUNCTIONS FOR THE SUMMARY AT THE TOP OF THE PAGE
+####################
+?>
+
+<?cs
+# Prints the table cells for the summary of methods.
+?><?cs def:write_method_summary(methods, included) ?>
 <?cs set:count = #1 ?>
 <?cs each:method = methods ?>
-	 <?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:method.since ?>" >
-        <td class="jd-typecol"><nobr>
-            <?cs var:method.abstract ?>
-            <?cs var:method.synchronized ?>
-            <?cs var:method.final ?>
-            <?cs var:method.static ?>
-            <?cs call:type_link(method.generic) ?>
-            <?cs call:type_link(method.returnType) ?></nobr>
-        </td>
-        <td class="jd-linkcol" width="100%"><nobr>
-        <span class="sympad"><?cs call:cond_link(method.name, toroot, method.href, included) ?></span>(<?cs call:parameter_list(method.params) ?>)</nobr>
-        <?cs if:subcount(method.shortDescr) || subcount(method.deprecated) ?>
-        <div class="jd-descrdiv">
-          <?cs call:short_descr(method) ?>
-          <?cs call:show_annotations_list(method) ?>
-        </div>
+  <?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
+  <tr class="api apilevel-<?cs var:method.since ?>" >
+  <?cs # leave out this cell if there is no return type = if constructors ?>
+  <?cs if:subcount(method.returnType) ?>
+    <td><code>
+        <?cs var:method.abstract ?>
+        <?cs var:method.default ?>
+        <?cs var:method.static ?>
+        <?cs var:method.final ?>
+        <?cs call:type_link(method.generic) ?>
+        <?cs call:type_link(method.returnType) ?></code>
+    </td>
   <?cs /if ?>
-  </td></tr>
-<?cs set:count = count + #1 ?>
+    <td width="100%">
+      <code>
+      <?cs call:cond_link(method.name, toroot, method.href, included) ?>(<?cs call:parameter_list(method.params, 0) ?>)
+      </code>
+      <?cs if:subcount(method.shortDescr) || subcount(method.deprecated) ?>
+        <p><?cs call:short_descr(method) ?>
+        <?cs call:show_annotations_list(method) ?></p>
+      <?cs /if ?>
+    </td>
+  </tr>
+  <?cs set:count = count + #1 ?>
 <?cs /each ?>
 <?cs /def ?>
 
-<?cs def:write_field_summary(fields, included) ?>
+<?cs
+# Print the table cells for the summary of fields.
+?><?cs def:write_field_summary(fields, included) ?>
 <?cs set:count = #1 ?>
-    <?cs each:field=fields ?>
-      <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
-          <td class="jd-typecol"><nobr>
-          <?cs var:field.scope ?>
-          <?cs var:field.static ?>
-          <?cs var:field.final ?>
-          <?cs call:type_link(field.type) ?></nobr></td>
-          <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-          <td class="jd-descrcol" width="100%">
-            <?cs call:short_descr(field) ?>
-            <?cs call:show_annotations_list(field) ?>
-          </td>
-      </tr>
-      <?cs set:count = count + #1 ?>
-    <?cs /each ?>
+<?cs each:field=fields ?>
+  <tr class="api apilevel-<?cs var:field.since ?>" >
+    <td><code>
+    <?cs var:field.scope ?>
+    <?cs var:field.static ?>
+    <?cs var:field.final ?>
+    <?cs call:type_link(field.type) ?></code></td>
+    <td width="100%">
+      <code><?cs call:cond_link(field.name, toroot, field.href, included) ?></code>
+      <p><?cs call:short_descr(field) ?>
+      <?cs call:show_annotations_list(field) ?></p>
+    </td>
+  </tr>
+  <?cs set:count = count + #1 ?>
+<?cs /each ?>
 <?cs /def ?>
 
-<?cs def:write_constant_summary(fields, included) ?>
+<?cs
+# Print the table cells for the summary of constants
+?><?cs def:write_constant_summary(fields, included) ?>
 <?cs set:count = #1 ?>
     <?cs each:field=fields ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
-        <td class="jd-typecol"><?cs call:type_link(field.type) ?></td>
-        <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, included) ?></td>
-        <td class="jd-descrcol" width="100%">
-          <?cs call:short_descr(field) ?>
-          <?cs call:show_annotations_list(field) ?>
+    <tr class="api apilevel-<?cs var:field.since ?>" >
+        <td><code><?cs call:type_link(field.type) ?></code></td>
+        <td width="100%">
+          <code><?cs call:cond_link(field.name, toroot, field.href, included) ?></code>
+          <p><?cs call:short_descr(field) ?>
+          <?cs call:show_annotations_list(field) ?></p>
         </td>
     </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
 <?cs /def ?>
 
-<?cs def:write_attr_summary(attrs, included) ?>
+<?cs
+# Print the table cells for the summary of attributes
+?><?cs def:write_attr_summary(attrs, included) ?>
 <?cs set:count = #1 ?>
-    <tr>
-        <td><nobr><em>Attribute Name</em></nobr></td>
-        <td><nobr><em>Related Method</em></nobr></td>
-        <td><nobr><em>Description</em></nobr></td>
-    </tr>
     <?cs each:attr=attrs ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:attr.since ?>" >
-        <td class="jd-linkcol"><?cs if:included ?><a href="<?cs var:toroot ?><?cs var:attr.href ?>"><?cs /if ?><?cs var:attr.name ?><?cs if:included ?></a><?cs /if ?></td>
-        <td class="jd-linkcol"><?cs each:m=attr.methods ?>
-            <?cs call:cond_link(m.name, toroot, m.href, included) ?>
-            <?cs /each ?>
-        </td>
-        <td class="jd-descrcol" width="100%">
+    <tr class="api apilevel-<?cs var:attr.since ?>" >
+        <td><?cs if:included ?><a href="<?cs var:toroot ?><?cs var:attr.href ?>"><?cs /if
+          ?><code><?cs var:attr.name ?></code><?cs if:included ?></a><?cs /if ?></td>
+        <td width="100%">
           <?cs call:short_descr(attr) ?>&nbsp;
           <?cs call:show_annotations_list(attr) ?>
         </td>
@@ -264,30 +95,220 @@
     <?cs /each ?>
 <?cs /def ?>
 
-<?cs def:write_inners_summary(classes) ?>
+<?cs
+# Print the table cells for the inner classes
+?><?cs def:write_inners_summary(classes) ?>
 <?cs set:count = #1 ?>
   <?cs each:cl=class.inners ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:cl.since ?>" >
-      <td class="jd-typecol"><nobr>
+    <tr class="api apilevel-<?cs var:cl.since ?>" >
+      <td class="jd-typecol"><code>
         <?cs var:cl.scope ?>
-        <?cs var:cl.static ?> 
-        <?cs var:cl.final ?> 
+        <?cs var:cl.static ?>
+        <?cs var:cl.final ?>
         <?cs var:cl.abstract ?>
-        <?cs var:cl.kind ?></nobr></td>
-      <td class="jd-linkcol"><?cs call:type_link(cl.type) ?></td>
+        <?cs var:cl.kind ?></code></td>
       <td class="jd-descrcol" width="100%">
-        <?cs call:short_descr(cl) ?>&nbsp;
-        <?cs call:show_annotations_list(cl) ?>
+        <code><?cs call:type_link(cl.type) ?></code>
+        <p><?cs call:short_descr(cl) ?>&nbsp;
+        <?cs call:show_annotations_list(cl) ?></p>
       </td>
     </tr>
     <?cs set:count = count + #1 ?>
     <?cs /each ?>
 <?cs /def ?>
+<?cs
+###################
+# END OF FUNCTIONS FOR API SUMMARY
+# START OF FUNCTIONS FOR THE API DETAILS
+###################
+?>
+<?cs
+# Print the table cells for the summary of constants
+?>
+<?cs def:write_field_details(fields) ?>
+<?cs each:field=fields ?>
+<?cs # this next line must be exactly like this to be parsed by eclipse ?>
+<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
+<A NAME="<?cs var:field.anchor ?>"></A>
+<?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
+<div class="api apilevel-<?cs var:field.since ?>">
+    <h3 class="api-name"><?cs var:field.name ?></h3>
+    <div class="api-level">
+      <?cs call:since_tags(field) ?>
+      <?cs call:federated_refs(field) ?>
+    </div>
+<pre class="api-signature no-pretty-print">
+<?cs if:subcount(field.scope) ?><?cs var:field.scope
+?> <?cs /if ?><?cs if:subcount(field.static) ?><?cs var:field.static
+?> <?cs /if ?><?cs if:subcount(field.final) ?><?cs var:field.final
+?> <?cs /if ?><?cs if:subcount(field.type) ?><?cs call:type_link(field.type)
+?> <?cs /if ?><?cs var:field.name ?></pre>
+    <?cs call:show_annotations_list(field) ?>
+    <?cs call:description(field) ?>
+    <?cs if:subcount(field.constantValue) ?>
+      <p>Constant Value:
+      <?cs if:field.constantValue.isString ?>
+          <?cs var:field.constantValue.str ?>
+      <?cs else ?>
+          <?cs var:field.constantValue.dec ?>
+          (<?cs var:field.constantValue.hex ?>)
+      <?cs /if ?>
+    <?cs /if ?>
+</div>
+<?cs /each ?>
+<?cs /def ?>
 
-<?cs # end macros ?>
+<?cs def:write_method_details(methods) ?>
+<?cs each:method=methods ?>
+<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
+<A NAME="<?cs var:method.anchor ?>"></A>
+<?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
+<div class="api apilevel-<?cs var:method.since ?>">
+    <h3 class="api-name"><?cs var:method.name ?></h3>
+    <div class="api-level">
+      <div><?cs call:since_tags(method) ?></div>
+      <?cs call:federated_refs(method) ?>
+    </div>
+<pre class="api-signature no-pretty-print">
+<?cs if:subcount(method.scope) ?><?cs var:method.scope
+?> <?cs /if ?><?cs if:subcount(method.static) ?><?cs var:method.static
+?> <?cs /if ?><?cs if:subcount(method.final) ?><?cs var:method.final
+?> <?cs /if ?><?cs if:subcount(method.abstract) ?><?cs var:method.abstract
+?> <?cs /if ?><?cs if:subcount(method.returnType) ?><?cs call:type_link(method.returnType)
+?> <?cs /if ?><?cs var:method.name ?> (<?cs call:parameter_list(method.params, 1) ?>)</pre>
+    <?cs call:show_annotations_list(method) ?>
+    <?cs call:description(method) ?>
+</div>
+<?cs /each ?>
+<?cs /def ?>
 
-<div class="jd-descr">
-<?cs # make sure there's a summary view to display ?>
+<?cs def:write_attr_details(attrs) ?>
+<?cs each:attr=attrs ?>
+<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
+<A NAME="<?cs var:attr.anchor ?>"></A>
+<h3 class="api-name"><?cs var:attr.name ?></h3>
+<?cs call:show_annotations_list(attr) ?>
+<?cs call:description(attr) ?>
+<?cs if:subcount(attr.methods) ?>
+  <p><b>Related methods:</b></p>
+  <ul class="nolist">
+  <?cs each:m=attr.methods ?>
+    <li><a href="<?cs var:toroot ?><?cs var:m.href ?>"><?cs var:m.name ?></a></li>
+  <?cs /each ?>
+  </ul>
+<?cs /if ?>
+<?cs /each ?>
+<?cs /def ?>
+<?cs
+#########################
+# END OF MACROS
+# START OF PAGE PRINTING
+#########################
+?>
+<?cs include:"doctype.cs" ?>
+<html<?cs if:devsite ?> devsite<?cs /if ?>>
+<?cs include:"head_tag.cs" ?>
+<?cs include:"body_tag.cs" ?>
+<?cs include:"header.cs" ?>
+<?cs include:"page_info.cs" ?>
+<?cs # This DIV spans the entire document to provide scope for some scripts ?>
+<div class="api apilevel-<?cs var:class.since ?>" id="jd-content">
+<?cs # this next line must be exactly like this to be parsed by eclipse ?>
+<!-- ======== START OF CLASS DATA ======== -->
+<?cs
+#
+# Page header with class name and signature
+#
+?>
+<h1 class="api-title"><?cs var:class.name ?></h1>
+<p>
+<code class="api-signature">
+  <?cs var:class.scope ?>
+  <?cs var:class.static ?>
+  <?cs var:class.final ?>
+  <?cs var:class.abstract ?>
+  <?cs var:class.kind ?>
+  <?cs var:class.name ?>
+</code>
+<br>
+<?cs set:colspan = subcount(class.inheritance) ?>
+<?cs each:supr = class.inheritance ?>
+<code class="api-signature">
+  <?cs if:colspan == 2 ?>
+    extends <?cs call:type_link(supr.short_class) ?>
+  <?cs /if ?>
+  <?cs if:last(supr) && subcount(supr.interfaces) ?>
+      implements
+      <?cs each:t=supr.interfaces ?>
+        <?cs call:type_link(t) ?><?cs
+          if: name(t)!=subcount(supr.interfaces)-1
+            ?>, <?cs /if ?>
+      <?cs /each ?>
+  <?cs /if ?>
+  <?cs set:colspan = colspan-1 ?>
+</code>
+<?cs /each ?>
+</p><?cs
+#
+# Class inheritance tree
+#
+?><table class="jd-inheritance-table">
+<?cs set:colspan = subcount(class.inheritance) ?>
+<?cs each:supr = class.inheritance ?>
+  <tr>
+    <?cs loop:i = 1, (subcount(class.inheritance)-colspan), 1 ?>
+      <td class="jd-inheritance-space">&nbsp;<?cs
+        if:(subcount(class.inheritance)-colspan) == i
+          ?>&nbsp;&nbsp;&#x21b3;<?cs
+        /if ?></td>
+    <?cs /loop ?>
+    <td colspan="<?cs var:colspan ?>" class="jd-inheritance-class-cell"><?cs
+      if:colspan == 1
+          ?><?cs call:class_name(class.qualifiedType) ?><?cs
+      else
+          ?><?cs call:type_link(supr.class) ?><?cs
+      /if ?>
+    </td>
+  </tr>
+  <?cs set:colspan = colspan-1 ?>
+<?cs /each ?>
+</table><?cs
+#
+# Collapsible list of subclasses
+#
+?><?cs
+if:subcount(class.subclasses.direct) && !class.subclasses.hidden ?>
+  <table class="jd-sumtable jd-sumtable-subclasses">
+  <tr><td style="border:none;margin:0;padding:0;">
+    <?cs call:expando_trigger("subclasses-direct", "closed") ?>Known Direct Subclasses
+    <?cs call:expandable_class_list("subclasses-direct", class.subclasses.direct, "list") ?>
+  </td></tr>
+  </table>
+  <?cs /if ?>
+  <?cs if:subcount(class.subclasses.indirect) && !class.subclasses.hidden ?>
+  <table class="jd-sumtable jd-sumtable-subclasses"><tr><td colspan="2" style="border:none;margin:0;padding:0;">
+  <?cs call:expando_trigger("subclasses-indirect", "closed") ?>Known Indirect Subclasses
+  <?cs call:expandable_class_list("subclasses-indirect", class.subclasses.indirect, "list") ?>
+  </td></tr></table><?cs
+/if ?>
+<?cs call:show_annotations_list(class) ?>
+<br><hr><?cs
+#
+# The long-form class description.
+#
+?><?cs call:deprecated_warning(class) ?>
+
+<?cs if:subcount(class.descr) ?>
+  <p><?cs call:tag_list(class.descr) ?></p>
+<?cs /if ?>
+
+<?cs call:see_also_tags(class.seeAlso) ?>
+<?cs
+#################
+# CLASS SUMMARY
+#################
+?>
+<?cs # make sure there is a summary view to display ?>
 <?cs if:subcount(class.inners)
      || subcount(class.attrs)
      || inhattrs
@@ -301,19 +322,21 @@
      || subcount(class.methods.public)
      || subcount(class.methods.protected)
      || inhmethods ?>
-<h2>Summary</h2>
+<h2 class="api-section">Summary</h2>
 
 <?cs if:subcount(class.inners) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ======== NESTED CLASS SUMMARY ======== -->
-<table id="nestedclasses" class="jd-sumtable"><tr><th colspan="12">Nested Classes</th></tr>
+<table id="nestedclasses" class="responsive">
+<tr><th colspan="2"><h3>Nested classes</h3></th></tr>
 <?cs call:write_inners_summary(class.inners) ?>
 <?cs /if ?>
 
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <?cs if:subcount(class.attrs) ?>
 <!-- =========== FIELD SUMMARY =========== -->
-<table id="lattrs" class="jd-sumtable"><tr><th colspan="12">XML Attributes</th></tr>
+<table id="lattrs" class="responsive">
+<tr><th colspan="2"><h3>XML attributes</h3></th></tr>
 <?cs call:write_attr_summary(class.attrs, 1) ?>
 <?cs /if ?>
 
@@ -321,15 +344,17 @@
 <?cs if:inhattrs ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- =========== FIELD SUMMARY =========== -->
-<table id="inhattrs" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited XML Attributes</div></th></tr>
+<table id="inhattrs" class="responsive inhtable">
+<tr><th><h3>Inherited XML attributes</h3></th></tr>
 <?cs each:cl=class.inherited ?>
 <?cs if:subcount(cl.attrs) ?>
 <tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12">
-<?cs call:expando_trigger("inherited-attrs-"+cl.qualified, "closed") ?>From <?cs var:cl.kind ?>
-<?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
+<td colspan="2">
+<?cs call:expando_trigger("inherited-attrs-"+cl.qualified, "closed") ?>From
+<?cs var:cl.kind ?>
+<code>
+  <?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
+</code>
 <div id="inherited-attrs-<?cs var:cl.qualified ?>">
   <div id="inherited-attrs-<?cs var:cl.qualified ?>-list"
         class="jd-inheritedlinks">
@@ -348,25 +373,27 @@
 <?cs if:subcount(class.enumConstants) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<table id="enumconstants" class="jd-sumtable"><tr><th colspan="12">Enum Values</th></tr>
+<table id="enumconstants" class="responsive constants">
+  <tr><th colspan="2"><h3>Enum values</h3></th></tr>
 <?cs set:count = #1 ?>
-    <?cs each:field=class.enumConstants ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:field.since ?>" >
-        <td class="jd-descrcol"><?cs call:type_link(field.type) ?>&nbsp;</td>
-        <td class="jd-linkcol"><?cs call:cond_link(field.name, toroot, field.href, cl.included) ?>&nbsp;</td>
-        <td class="jd-descrcol" width="100%">
-          <?cs call:short_descr(field) ?>&nbsp;
-          <?cs call:show_annotations_list(field) ?>
-        </td>
-    </tr>
-    <?cs set:count = count + #1 ?>
-    <?cs /each ?>
+  <?cs each:field=class.enumConstants ?>
+  <tr class="api apilevel-<?cs var:field.since ?>" >
+    <td><code><?cs call:type_link(field.type) ?></code>&nbsp;</td>
+    <td width="100%">
+      <code><?cs call:cond_link(field.name, toroot, field.href, cl.included) ?></code>
+      <p><?cs call:short_descr(field) ?>&nbsp;
+      <?cs call:show_annotations_list(field) ?></p>
+    </td>
+  </tr>
+  <?cs set:count = count + #1 ?>
+  <?cs /each ?>
 <?cs /if ?>
 
 <?cs if:subcount(class.constants) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<table id="constants" class="jd-sumtable"><tr><th colspan="12">Constants</th></tr>
+<table id="constants" class="responsive constants">
+<tr><th colspan="2"><h3>Constants</h3></th></tr>
 <?cs call:write_constant_summary(class.constants, 1) ?>
 </table>
 <?cs /if ?>
@@ -375,25 +402,27 @@
 <?cs if:inhconstants ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- =========== ENUM CONSTANT SUMMARY =========== -->
-<table id="inhconstants" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited Constants</div></th></tr>
+<table id="inhconstants" class="responsive constants inhtable">
+<tr><th><h3>Inherited constants</h3></th></tr>
 <?cs each:cl=class.inherited ?>
 <?cs if:subcount(cl.constants) ?>
-<tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12">
-<?cs call:expando_trigger("inherited-constants-"+cl.qualified, "closed") ?>From <?cs var:cl.kind ?>
-<?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
-<div id="inherited-constants-<?cs var:cl.qualified ?>">
-  <div id="inherited-constants-<?cs var:cl.qualified ?>-list"
-        class="jd-inheritedlinks">
-  </div>
-  <div id="inherited-constants-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_constant_summary(cl.constants, cl.included) ?></table>
+  <tr class="api apilevel-<?cs var:cl.since ?>" >
+  <td>
+  <?cs call:expando_trigger("inherited-constants-"+cl.qualified, "closed") ?>From
+  <?cs var:cl.kind ?>
+  <code>
+    <?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
+  </code>
+  <div id="inherited-constants-<?cs var:cl.qualified ?>">
+    <div id="inherited-constants-<?cs var:cl.qualified ?>-list"
+          class="jd-inheritedlinks">
+    </div>
+    <div id="inherited-constants-<?cs var:cl.qualified ?>-summary" style="display: none;">
+      <table class="jd-sumtable-expando responsive">
+      <?cs call:write_constant_summary(cl.constants, cl.included) ?></table>
+    </div>
   </div>
-</div>
-</td></tr>
+  </td></tr>
 <?cs /if ?>
 <?cs /each ?>
 </table>
@@ -402,7 +431,8 @@
 <?cs if:subcount(class.fields) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- =========== FIELD SUMMARY =========== -->
-<table id="lfields" class="jd-sumtable"><tr><th colspan="12">Fields</th></tr>
+<table id="lfields" class="responsive properties">
+<tr><th colspan="2"><h3>Fields</h3></th></tr>
 <?cs call:write_field_summary(class.fields, 1) ?>
 </table>
 <?cs /if ?>
@@ -411,25 +441,27 @@
 <?cs if:inhfields ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- =========== FIELD SUMMARY =========== -->
-<table id="inhfields" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited Fields</div></th></tr>
+<table id="inhfields" class="properties inhtable">
+<tr><th><h3>Inherited fields</h3></th></tr>
 <?cs each:cl=class.inherited ?>
 <?cs if:subcount(cl.fields) ?>
-<tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12">
-<?cs call:expando_trigger("inherited-fields-"+cl.qualified, "closed") ?>From <?cs var:cl.kind ?>
-<?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
-<div id="inherited-fields-<?cs var:cl.qualified ?>">
-  <div id="inherited-fields-<?cs var:cl.qualified ?>-list"
-        class="jd-inheritedlinks">
-  </div>
-  <div id="inherited-fields-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_field_summary(cl.fields, cl.included) ?></table>
+  <tr class="api apilevel-<?cs var:cl.since ?>" >
+  <td>
+  <?cs call:expando_trigger("inherited-fields-"+cl.qualified, "closed") ?>From
+  <?cs var:cl.kind ?>
+  <code>
+    <?cs call:cond_link(cl.qualified, toroot, cl.link, cl.included) ?>
+  </code>
+  <div id="inherited-fields-<?cs var:cl.qualified ?>">
+    <div id="inherited-fields-<?cs var:cl.qualified ?>-list"
+          class="jd-inheritedlinks">
+    </div>
+    <div id="inherited-fields-<?cs var:cl.qualified ?>-summary" style="display: none;">
+      <table class="jd-sumtable-expando responsive">
+      <?cs call:write_field_summary(cl.fields, cl.included) ?></table>
+    </div>
   </div>
-</div>
-</td></tr>
+  </td></tr>
 <?cs /if ?>
 <?cs /each ?>
 </table>
@@ -438,7 +470,8 @@
 <?cs if:subcount(class.ctors.public) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<table id="pubctors" class="jd-sumtable"><tr><th colspan="12">Public Constructors</th></tr>
+<table id="pubctors" class="responsive constructors">
+<tr><th colspan="2"><h3>Public constructors</h3></th></tr>
 <?cs call:write_method_summary(class.ctors.public, 1) ?>
 </table>
 <?cs /if ?>
@@ -446,7 +479,8 @@
 <?cs if:subcount(class.ctors.protected) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
-<table id="proctors" class="jd-sumtable"><tr><th colspan="12">Protected Constructors</th></tr>
+<table id="proctors" class="responsive constructors">
+<tr><th colspan="2"><h3>Protected constructors</h3></th></tr>
 <?cs call:write_method_summary(class.ctors.protected, 1) ?>
 </table>
 <?cs /if ?>
@@ -454,7 +488,8 @@
 <?cs if:subcount(class.methods.public) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========== METHOD SUMMARY =========== -->
-<table id="pubmethods" class="jd-sumtable"><tr><th colspan="12">Public Methods</th></tr>
+<table id="pubmethods" class="responsive methods">
+<tr><th colspan="2"><h3>Public methods</h3></th></tr>
 <?cs call:write_method_summary(class.methods.public, 1) ?>
 </table>
 <?cs /if ?>
@@ -462,7 +497,8 @@
 <?cs if:subcount(class.methods.protected) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========== METHOD SUMMARY =========== -->
-<table id="promethods" class="jd-sumtable"><tr><th colspan="12">Protected Methods</th></tr>
+<table id="promethods" class="reponsive methods">
+<tr><th colspan="2"><h3>Protected methods</h3></th></tr>
 <?cs call:write_method_summary(class.methods.protected, 1) ?>
 </table>
 <?cs /if ?>
@@ -471,28 +507,31 @@
 <?cs if:inhmethods ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========== METHOD SUMMARY =========== -->
-<table id="inhmethods" class="jd-sumtable"><tr><th>
-  <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a>
-  <div style="clear:left;">Inherited Methods</div></th></tr>
+<table id="inhmethods" class="methods inhtable">
+<tr><th><h3>Inherited methods</h3></th></tr>
 <?cs each:cl=class.inherited ?>
 <?cs if:subcount(cl.methods) ?>
 <tr class="api apilevel-<?cs var:cl.since ?>" >
-<td colspan="12"><?cs call:expando_trigger("inherited-methods-"+cl.qualified, "closed") ?>
-From <?cs var:cl.kind ?>
-<?cs if:cl.included ?>
-  <a href="<?cs var:toroot ?><?cs var:cl.link ?>"><?cs var:cl.qualified ?></a>
-<?cs elif:cl.federated ?>
-  <a href="<?cs var:cl.link ?>"><?cs var:cl.qualified ?></a>
-<?cs else ?>
-  <?cs var:cl.qualified ?>
-<?cs /if ?>
+<td colspan="2">
+<?cs call:expando_trigger("inherited-methods-"+cl.qualified, "closed") ?>From
+<?cs var:cl.kind ?>
+<code>
+  <?cs if:cl.included ?>
+    <a href="<?cs var:toroot ?><?cs var:cl.link ?>"><?cs var:cl.qualified ?></a>
+  <?cs elif:cl.federated ?>
+    <a href="<?cs var:cl.link ?>"><?cs var:cl.qualified ?></a>
+  <?cs else ?>
+    <?cs var:cl.qualified ?>
+  <?cs /if ?>
+</code>
 <div id="inherited-methods-<?cs var:cl.qualified ?>">
   <div id="inherited-methods-<?cs var:cl.qualified ?>-list"
         class="jd-inheritedlinks">
   </div>
   <div id="inherited-methods-<?cs var:cl.qualified ?>-summary" style="display: none;">
-    <table class="jd-sumtable-expando">
-    <?cs call:write_method_summary(cl.methods, cl.included) ?></table>
+    <table class="jd-sumtable-expando responsive">
+      <?cs call:write_method_summary(cl.methods, cl.included) ?>
+    </table>
   </div>
 </div>
 </td></tr>
@@ -501,111 +540,16 @@
 </table>
 <?cs /if ?>
 <?cs /if ?>
-</div><!-- jd-descr (summary) -->
-
-<!-- Details -->
-
-<?cs def:write_field_details(fields) ?>
-<?cs each:field=fields ?>
-<?cs # this next line must be exactly like this to be parsed by eclipse ?>
-<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
-<A NAME="<?cs var:field.anchor ?>"></A>
-<?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
-<div class="jd-details api apilevel-<?cs var:field.since ?>"> 
-    <h4 class="jd-details-title">
-      <span class="normal">
-        <?cs var:field.scope ?> 
-        <?cs var:field.static ?> 
-        <?cs var:field.final ?> 
-        <?cs call:type_link(field.type) ?>
-      </span>
-        <?cs var:field.name ?>
-    </h4>
-      <div class="api-level">
-        <?cs call:since_tags(field) ?>
-        <?cs call:federated_refs(field) ?>
-      </div>
-    <div class="jd-details-descr">
-      <?cs call:show_annotations_list(field) ?>
-      <?cs call:description(field) ?>
-    <?cs if:subcount(field.constantValue) ?>
-        <div class="jd-tagdata">
-        <span class="jd-tagtitle">Constant Value: </span>
-        <span>
-            <?cs if:field.constantValue.isString ?>
-                <?cs var:field.constantValue.str ?>
-            <?cs else ?>
-                <?cs var:field.constantValue.dec ?>
-                (<?cs var:field.constantValue.hex ?>)
-            <?cs /if ?>
-        </span>
-        </div>
-    <?cs /if ?>
-    </div>
-</div>
-<?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_method_details(methods) ?>
-<?cs each:method=methods ?>
-<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
-<A NAME="<?cs var:method.anchor ?>"></A>
-<?cs # The apilevel-N class MUST BE LAST in the sequence of class names ?>
-<div class="jd-details api apilevel-<?cs var:method.since ?>"> 
-    <h4 class="jd-details-title">
-      <span class="normal">
-        <?cs var:method.scope ?> 
-        <?cs var:method.static ?> 
-        <?cs var:method.final ?> 
-        <?cs var:method.abstract ?> 
-        <?cs var:method.synchronized ?> 
-        <?cs call:type_link(method.returnType) ?>
-      </span>
-      <span class="sympad"><?cs var:method.name ?></span>
-      <span class="normal">(<?cs call:parameter_list(method.params) ?>)</span>
-    </h4>
-      <div class="api-level">
-        <div><?cs call:since_tags(method) ?></div>
-        <?cs call:federated_refs(method) ?>
-      </div>
-    <div class="jd-details-descr">
-      <?cs call:show_annotations_list(method) ?>
-      <?cs call:description(method) ?>
-    </div>
-</div>
-<?cs /each ?>
-<?cs /def ?>
-
-<?cs def:write_attr_details(attrs) ?>
-<?cs each:attr=attrs ?>
-<?cs # the A tag in the next line must remain where it is, so that Eclipse can parse the docs ?>
-<A NAME="<?cs var:attr.anchor ?>"></A>
-<div class="jd-details"> 
-    <h4 class="jd-details-title"><?cs var:attr.name ?>
-    </h4>
-    <div class="jd-details-descr">
-        <?cs call:show_annotations_list(attr) ?>
-        <?cs call:description(attr) ?>
-
-        <div class="jd-tagdata">
-            <h5 class="jd-tagtitle">Related Methods</h5>
-            <ul class="nolist">
-            <?cs each:m=attr.methods ?>
-                <li><a href="<?cs var:toroot ?><?cs var:m.href ?>"><?cs var:m.name ?></a></li>
-            <?cs /each ?>
-            </ul>
-        </div>
-    </div>
-</div>
-<?cs /each ?>
-<?cs /def ?>
-
-
+<?cs
+################
+# CLASS DETAILS
+################
+?>
 <!-- XML Attributes -->
 <?cs if:subcount(class.attrs) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========= FIELD DETAIL ======== -->
-<h2>XML Attributes</h2>
+<h2 class="api-section">XML attributes</h2>
 <?cs call:write_attr_details(class.attrs) ?>
 <?cs /if ?>
 
@@ -613,7 +557,7 @@
 <?cs if:subcount(class.enumConstants) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========= ENUM CONSTANTS DETAIL ======== -->
-<h2>Enum Values</h2>
+<h2 class="api-section">Enum values</h2>
 <?cs call:write_field_details(class.enumConstants) ?>
 <?cs /if ?>
 
@@ -621,7 +565,7 @@
 <?cs if:subcount(class.constants) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========= ENUM CONSTANTS DETAIL ======== -->
-<h2>Constants</h2>
+<h2 class="api-section">Constants</h2>
 <?cs call:write_field_details(class.constants) ?>
 <?cs /if ?>
 
@@ -629,7 +573,7 @@
 <?cs if:subcount(class.fields) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========= FIELD DETAIL ======== -->
-<h2>Fields</h2>
+<h2 class="api-section">Fields</h2>
 <?cs call:write_field_details(class.fields) ?>
 <?cs /if ?>
 
@@ -637,7 +581,7 @@
 <?cs if:subcount(class.ctors.public) ?>
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
-<h2>Public Constructors</h2>
+<h2 class="api-section">Public constructors</h2>
 <?cs call:write_method_details(class.ctors.public) ?>
 <?cs /if ?>
 
@@ -645,7 +589,7 @@
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <!-- Protected ctors -->
 <?cs if:subcount(class.ctors.protected) ?>
-<h2>Protected Constructors</h2>
+<h2 class="api-section">Protected constructors</h2>
 <?cs call:write_method_details(class.ctors.protected) ?>
 <?cs /if ?>
 
@@ -653,27 +597,50 @@
 <!-- ========= METHOD DETAIL ======== -->
 <!-- Public methdos -->
 <?cs if:subcount(class.methods.public) ?>
-<h2>Public Methods</h2>
+<h2 class="api-section">Public methods</h2>
 <?cs call:write_method_details(class.methods.public) ?>
 <?cs /if ?>
 
 <?cs # this next line must be exactly like this to be parsed by eclipse ?>
 <!-- ========= METHOD DETAIL ======== -->
 <?cs if:subcount(class.methods.protected) ?>
-<h2>Protected Methods</h2>
+<h2 class="api-section">Protected methods</h2>
 <?cs call:write_method_details(class.methods.protected) ?>
 <?cs /if ?>
 
 <?cs # the next two lines must be exactly like this to be parsed by eclipse ?>
 <!-- ========= END OF CLASS DATA ========= -->
-<A NAME="navbar_top"></A>
-
-<?cs include:"footer.cs" ?>
-</div> <!-- jd-content -->
 
-</div><!-- end doc-content -->
+</div><!-- end jd-content -->
+
+<?cs if:devsite ?>
+
+<div class="data-reference-resources-wrapper">
+  <?cs if:subcount(class.package) ?>
+  <ul data-reference-resources>
+    <?cs call:list("Annotations", class.package.annotations) ?>
+    <?cs call:list("Interfaces", class.package.interfaces) ?>
+    <?cs call:list("Classes", class.package.classes) ?>
+    <?cs call:list("Enums", class.package.enums) ?>
+    <?cs call:list("Exceptions", class.package.exceptions) ?>
+    <?cs call:list("Errors", class.package.errors) ?>
+  </ul>
+  <?cs elif:subcount(package) ?>
+  <ul data-reference-resources>
+    <?cs call:class_link_list("Annotations", package.annotations) ?>
+    <?cs call:class_link_list("Interfaces", package.interfaces) ?>
+    <?cs call:class_link_list("Classes", package.classes) ?>
+    <?cs call:class_link_list("Enums", package.enums) ?>
+    <?cs call:class_link_list("Exceptions", package.exceptions) ?>
+    <?cs call:class_link_list("Errors", package.errors) ?>
+  </ul>
+  <?cs /if ?>
+</div>
+<?cs /if ?>
 
+<?cs if:!devsite ?>
+<?cs include:"footer.cs" ?>
 <?cs include:"trailer.cs" ?>
-
+<?cs /if ?>
 </body>
 </html>
diff --git a/tools/droiddoc/templates-sdk/classes.cs b/tools/droiddoc/templates-sdk/classes.cs
index 405892d67..007b57ee4 100644
--- a/tools/droiddoc/templates-sdk/classes.cs
+++ b/tools/droiddoc/templates-sdk/classes.cs
@@ -1,34 +1,27 @@
-<?cs include:"doctype.cs" ?>
+<?cs # THIS CREATES A LIST OF ALL PACKAGES AND NAMES IT packages.html ?>
 <?cs include:"macros.cs" ?>
 <?cs include:"macros_override.cs" ?>
+<?cs include:"doctype.cs" ?>
 <html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-    if:reference ?> reference<?cs
-    /if ?><?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>" itemscope itemtype="http://schema.org/Article">
-  <a name="top"></a>
+<?cs include:"body_tag.cs" ?>
 <?cs include:"header.cs" ?>
 
-<div class="col-12" id="doc-col">
-
-<div id="jd-header">
 <h1><?cs var:page.title ?></h1>
-</div>
+<p>These are the API classes. See all
+<a href="packages.html">API packages</a>.</p>
 
-<div id="jd-content">
-<p>These are the Android API classes. See all <a href="packages.html">API packages</a>.</p>
-<div class="jd-letterlist"><?cs each:letter=docs.classes ?>
-    <a href="#letter_<?cs name:letter ?>"><?cs name:letter ?></a>&nbsp;&nbsp;<?cs /each?>
+<div class="jd-letterlist"><?cs
+  each:letter=docs.classes ?>
+    <a href="#letter_<?cs name:letter ?>"><?cs
+      name:letter ?></a>&nbsp;&nbsp;<?cs
+  /each?>
 </div>
 
 <?cs each:letter=docs.classes ?>
 <?cs set:count = #1 ?>
 <h2 id="letter_<?cs name:letter ?>"><?cs name:letter ?></h2>
-<table class="jd-sumtable">
+<table>
     <?cs set:cur_row = #0 ?>
     <?cs each:cl = letter ?>
         <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:cl.since ?>" >
@@ -43,11 +36,34 @@
 </table>
 <?cs /each ?>
 
-<?cs include:"footer.cs" ?>
-</div><!-- end jd-content -->
-</div><!-- end doc-content -->
+<?cs if:devsite ?>
+<div class="data-reference-resources-wrapper">
+  <?cs if:subcount(class.package) ?>
+  <ul data-reference-resources>
+    <?cs call:list("Annotations", class.package.annotations) ?>
+    <?cs call:list("Interfaces", class.package.interfaces) ?>
+    <?cs call:list("Classes", class.package.classes) ?>
+    <?cs call:list("Enums", class.package.enums) ?>
+    <?cs call:list("Exceptions", class.package.exceptions) ?>
+    <?cs call:list("Errors", class.package.errors) ?>
+  </ul>
+  <?cs elif:subcount(package) ?>
+  <ul data-reference-resources>
+    <?cs call:class_link_list("Annotations", package.annotations) ?>
+    <?cs call:class_link_list("Interfaces", package.interfaces) ?>
+    <?cs call:class_link_list("Classes", package.classes) ?>
+    <?cs call:class_link_list("Enums", package.enums) ?>
+    <?cs call:class_link_list("Exceptions", package.exceptions) ?>
+    <?cs call:class_link_list("Errors", package.errors) ?>
+  </ul>
+  <?cs /if ?>
+</div>
+<?cs /if ?>
 
-<?cs include:"trailer.cs" ?>
 
+<?cs if:!devsite ?>
+<?cs include:"footer.cs" ?>
+<?cs include:"trailer.cs" ?>
+<?cs /if ?>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/tools/droiddoc/templates-sdk/components/masthead.cs b/tools/droiddoc/templates-sdk/components/masthead.cs
index c09dc027f..1fef96594 100644
--- a/tools/droiddoc/templates-sdk/components/masthead.cs
+++ b/tools/droiddoc/templates-sdk/components/masthead.cs
@@ -1,388 +1,322 @@
 <?cs def:custom_masthead() ?>
-<?cs if:preview ?>
-  <?cs call:preview_masthead() ?>
-<?cs else ?>
-<a name="top"></a>
-
-<!-- dialog to prompt lang pref change when loaded from hardcoded URL 
-<div id="langMessage" style="display:none">
-  <div>
-    <div class="lang en">
-      <p>You requested a page in English, would you like to proceed with this language setting?</p>
-    </div>
-    <div class="lang es">
-      <p>You requested a page in Spanish (Español), would you like to proceed with this language setting?</p>
-    </div>
-    <div class="lang ja">
-      <p>You requested a page in Japanese (日本語), would you like to proceed with this language setting?</p>
-    </div>
-    <div class="lang ko">
-      <p>You requested a page in Korean (한국어), would you like to proceed with this language setting?</p>
-    </div>
-    <div class="lang ru">
-      <p>You requested a page in Russian (Русский), would you like to proceed with this language setting?</p>
-    </div>
-    <div class="lang zh-cn">
-      <p>You requested a page in Simplified Chinese (简体中文), would you like to proceed with this language setting?</p>
-    </div>
-    <div class="lang zh-tw">
-      <p>You requested a page in Traditional Chinese (繁體中文), would you like to proceed with this language setting?</p>
-    </div>
-    <a href="#" class="button yes" onclick="return false;">
-      <span class="lang en">Yes</span>
-      <span class="lang es">Sí</span>
-      <span class="lang ja">Yes</span>
-      <span class="lang ko">Yes</span>
-      <span class="lang ru">Yes</span>
-      <span class="lang zh-cn">是的</span>
-      <span class="lang zh-tw">没有</span>
-    </a>
-    <a href="#" class="button" onclick="$('#langMessage').hide();return false;">
-      <span class="lang en">No</span>
-      <span class="lang es">No</span>
-      <span class="lang ja">No</span>
-      <span class="lang ko">No</span>
-      <span class="lang ru">No</span>
-      <span class="lang zh-cn">没有</span>
-      <span class="lang zh-tw">没有</span>
-    </a>
-  </div>
-</div> -->
-
-<?cs if:!devsite ?><?cs # leave out the global header for devsite; it is in devsite template ?>
+  <a name="top"></a>
   <!-- Header -->
   <div id="header-wrapper">
-    <div id="header"><?cs call:butter_bar() ?>
-      <div class="wrap" id="header-wrap">
-        <div class="col-3 logo">
-          <a href="<?cs var:toroot ?>index.html">
-            <img src="<?cs var:toroot ?>assets/images/dac_logo.png"
-                srcset="<?cs var:toroot ?>assets/images/dac_logo@2x.png 2x"
-                width="123" height="25" alt="Android Developers" />
-          </a>
-          <div class="btn-quicknav" id="btn-quicknav">
-            <a href="#" class="arrow-inactive">Quicknav</a>
-            <a href="#" class="arrow-active">Quicknav</a>
-          </div>
-        </div>
-        <ul class="nav-x col-9">
-            <li class="design">
-              <a href="<?cs var:toroot ?>design/index.html"
-              zh-tw-lang="設計"
-              zh-cn-lang="设计"
-              ru-lang="Проектирование"
-              ko-lang="디자인"
-              ja-lang="設計"
-              es-lang="Diseñar"
-              >Design</a></li>
-            <li class="develop"><a href="<?cs var:toroot ?>develop/index.html"
-              zh-tw-lang="開發"
-              zh-cn-lang="开发"
-              ru-lang="Разработка"
-              ko-lang="개발"
-              ja-lang="開発"
-              es-lang="Desarrollar"
-              >Develop</a></li>
-            <li class="distribute last"><a href="<?cs var:toroot ?>distribute/<?cs
-              if:android.whichdoc == "offline" ?>googleplay/<?cs /if ?>index.html"
-              zh-tw-lang="發佈"
-              zh-cn-lang="分发"
-              ru-lang="Распространение"
-              ko-lang="배포"
-              ja-lang="配布"
-              es-lang="Distribuir"
-              >Distribute</a></li>
-        </ul>
-
-
-        <?cs # ADD SEARCH AND MENU ?>
-        <?cs call:header_search_widget() ?>
-
+    <div class="dac-header <?cs if:ndk ?>dac-ndk<?cs /if ?>" id="header">
+      <div class="dac-header-inner">
+        <a class="dac-nav-toggle" data-dac-toggle-nav href="javascript:;" title="Open navigation">
+          <span class="dac-nav-hamburger">
+            <span class="dac-nav-hamburger-top"></span>
+            <span class="dac-nav-hamburger-mid"></span>
+            <span class="dac-nav-hamburger-bot"></span>
+          </span>
+        </a>
+        <?cs if:ndk ?><a class="dac-header-logo" style="width:144px;" href="<?cs var:toroot
+        ?>ndk/index.html">
+          <img class="dac-header-logo-image" src="<?cs var:toroot ?>assets/images/android_logo.png"
+              srcset="<?cs var:toroot ?>assets/images/android_logo@2x.png 2x"
+              width="32" height="36" alt="Android" /> NDK
+          </a><?cs else ?><a class="dac-header-logo" href="<?cs var:toroot ?>index.html">
+          <img class="dac-header-logo-image" src="<?cs var:toroot ?>assets/images/android_logo.png"
+              srcset="<?cs var:toroot ?>assets/images/android_logo@2x.png 2x"
+              width="32" height="36" alt="Android" /> Developers
+          </a><?cs /if ?>
 
-        <!-- Expanded quicknav -->
-        <div id="quicknav" class="col-13">
-          <ul>
-            <li class="about">
-              <ul>
-                <li><a href="<?cs var:toroot ?>about/index.html">About</a></li>
-                <li><a href="<?cs var:toroot ?>wear/index.html">Wear</a></li>
-                <li><a href="<?cs var:toroot ?>tv/index.html">TV</a></li>
-                <li><a href="<?cs var:toroot ?>auto/index.html">Auto</a></li>
-              </ul>
-            </li>
-            <li class="design">
-              <ul>
-                <li><a href="<?cs var:toroot ?>design/index.html">Get Started</a></li>
-                <li><a href="<?cs var:toroot ?>design/devices.html">Devices</a></li>
-                <li><a href="<?cs var:toroot ?>design/style/index.html">Style</a></li>
-                <li><a href="<?cs var:toroot ?>design/patterns/index.html">Patterns</a></li>
-                <li><a href="<?cs var:toroot ?>design/building-blocks/index.html">Building Blocks</a></li>
-                <li><a href="<?cs var:toroot ?>design/downloads/index.html">Downloads</a></li>
-                <li><a href="<?cs var:toroot ?>design/videos/index.html">Videos</a></li>
-              </ul>
-            </li>
-            <li class="develop">
-              <ul>
-                <li><a href="<?cs var:toroot ?>training/index.html"
-                  zh-tw-lang="訓練課程"
-                  zh-cn-lang="培训"
-                  ru-lang="Курсы"
-                  ko-lang="교육"
-                  ja-lang="トレーニング"
-                  es-lang="Capacitación"
-                  >Training</a></li>
-                <li><a href="<?cs var:toroot ?>guide/index.html"
-                  zh-tw-lang="API 指南"
-                  zh-cn-lang="API 指南"
-                  ru-lang="Руководства по API"
-                  ko-lang="API 가이드"
-                  ja-lang="API ガイド"
-                  es-lang="Guías de la API"
-                  >API Guides</a></li>
-                <li><a href="<?cs var:toroot ?>reference/packages.html"
-                  zh-tw-lang="參考資源"
-                  zh-cn-lang="参考"
-                  ru-lang="Справочник"
-                  ko-lang="참조문서"
-                  ja-lang="リファレンス"
-                  es-lang="Referencia"
-                  >Reference</a></li>
-                <li><a href="<?cs var:toroot ?>sdk/index.html"
-                  zh-tw-lang="相關工具"
-                  zh-cn-lang="工具"
-                  ru-lang="Инструменты"
-                  ko-lang="도구"
-                  ja-lang="ツール"
-                  es-lang="Herramientas"
-                  >Tools</a>
-                </li>
-                <li><a href="<?cs var:toroot ?>google/index.html">Google Services</a>
-                </li>
-                <?cs if:android.hasSamples ?>
-                  <li><a href="<?cs var:toroot ?>samples/index.html">Samples</a>
-                  </li>
-                <?cs /if ?>
-              </ul>
-            </li>
-            <li class="distribute last">
-              <ul>
-                <li><a href="<?cs var:toroot ?>distribute/googleplay/index.html">Google Play</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/essentials/index.html">Essentials</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/users/index.html">Get Users</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/engage/index.html">Engage &amp; Retain</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/monetize/index.html">Monetize</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/analyze/index.html">Analyze</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/tools/index.html">Tools &amp; Reference</a></li>
-                <li><a href="<?cs var:toroot ?>distribute/stories/index.html">Developer Stories</a></li>
-              </ul>
+        <?cs if:ndk
+        ?><ul class="dac-header-tabs">
+          <li>
+            <a href="<?cs var:toroot ?>ndk/guides/index.html" class="dac-header-tab"
+            zh-tw-lang="API 指南"
+            zh-cn-lang="API 指南"
+            ru-lang="Руководства по API"
+            ko-lang="API 가이드"
+            ja-lang="API ガイド"
+            es-lang="Guías de la API">Guides</a>
+          </li>
+          <li>
+            <a href="<?cs var:toroot ?>ndk/reference/index.html" class="dac-header-tab"
+            zh-tw-lang="參考資源"
+            zh-cn-lang="参考"
+            ru-lang="Справочник"
+            ko-lang="참조문서"
+            ja-lang="リファレンス"
+            es-lang="Referencia">Reference</a>
+          </li>
+          <li>
+            <a href="<?cs var:toroot ?>ndk/samples/index.html" class="dac-header-tab"
+           >Samples</a>
+          </li>
+          <li>
+            <a href="<?cs var:toroot ?>ndk/downloads/index.html" class="dac-header-tab"
+            >Downloads</a>
+          </li>
+        </ul><?cs else
+        ?><?cs
+        #
+        # For the reference only docs, include just one tab
+        #
+        ?><?cs if:referenceonly
+          ?><ul class="dac-header-tabs">
+            <li><a href="<?cs var:toroot ?>reference/packages.html" class="dac-header-tab"><?cs
+              if:sdk.preview
+                ?>Android <?cs var:sdk.codename ?>
+                  Preview <?cs var:sdk.preview.version ?><?cs
+              else
+                ?>Android <?cs var:sdk.version ?>
+                  r<?cs var:sdk.rel.id ?><?cs
+              /if ?></a>
             </li>
           </ul>
-        </div><!-- /Expanded quicknav -->
-      </div><!-- end header-wrap.wrap -->
-    </div><!-- end header -->
-
-  <?cs if:about || wear || tv || auto ?>
-    <!-- Secondary x-nav -->
-    <div id="nav-x">
-        <div class="wrap">
-            <ul class="nav-x col-9 about" style="width:100%">
-                <li class="about"><a href="<?cs var:toroot ?>about/index.html"
-                  >About</a></li>
-                <li class="wear"><a href="<?cs var:toroot ?>wear/index.html"
-                  >Wear</a></li>
-                <li class="tv"><a href="<?cs var:toroot ?>tv/index.html"
-                  >TV</a></li>
-                <li class="auto"><a href="<?cs var:toroot ?>auto/index.html"
-                  >Auto</a></li>
-            </ul>
-        </div>
-    </div>
-    <!-- /Sendondary x-nav ABOUT -->
-
-
-
-  <?cs elif:training || guide || reference || tools || develop || google || samples ?>
-    <!-- Secondary x-nav -->
-    <div id="nav-x">
-        <div class="wrap" style="position:relative;z-index:1">
+        <?cs else ?><?cs
+        #
+        # End reference only docs, now the online DAC tabs...
+        #
+        ?><ul class="dac-header-tabs">
+          <li>
+          <a class="dac-header-tab" href="<?cs var:toroot ?>design/index.html"
+             zh-tw-lang="設計"
+             zh-cn-lang="设计"
+             ru-lang="Проектирование"
+             ko-lang="디자인"
+             ja-lang="設計"
+             es-lang="Diseñar">Design</a>
+          </li>
+          <li>
+          <a class="dac-header-tab" href="<?cs var:toroot ?>develop/index.html"
+             zh-tw-lang="開發"
+             zh-cn-lang="开发"
+             ru-lang="Разработка"
+             ko-lang="개발"
+             ja-lang="開発"
+             es-lang="Desarrollar">Develop</a>
+          </li>
+          <li>
+          <a class="dac-header-tab" href="<?cs var:toroot ?>distribute/index.html"
+             zh-tw-lang="發佈"
+             zh-cn-lang="分发"
+             ru-lang="Распространение"
+             ko-lang="배포"
+             ja-lang="配布"
+             es-lang="Distribuir">Distribute</a>
+          </li>
+        </ul><?cs
+        /if ?><?cs
+        #
+        # End if/else reference only docs
+        #
+        ?><?cs
+        /if ?><?cs # end if/else ndk ?>
 
-        <?cs if:reference ?>
-        <?cs # HIDE HELPOUTS RECRUIT BANNER
-            <a id="helpoutsLink" class="resource resource-card resource-card-6x2x3 resource-card-6x2 helpouts-card" 
-              href="http://helpouts.google.com/partner/landing/provider/googledevelopers?utm_source=dac&utm_medium=banner&utm_campaign=android_provider_banner3" target="_blank">
-              <div class="card-bg helpouts-card-bg"></div>
-              <div class="card-info">
-                <div class="helpouts-description">
-                  <div class="text">Help Android Wear and TV developers<br/>
-                    <span id="helpoutsLinkText" class="link-color" 
-                    style="display:block;padding-top:5px;text-align:right">Learn more</span>
-                  </div>
-                </div>
-              </div>
-            </a>
-        # END HIDE HELPOUTS ?>
-        <?cs /if ?>
+        <?cs if:ndk ?><a class="dac-header-console-btn" href="http://developer.android.com">
+          Back to Android Developers
+        </a><?cs else ?><a class="dac-header-console-btn" href="https://play.google.com/apps/publish/">
+          <span class="dac-sprite dac-google-play"></span>
+          <span class="dac-visible-desktop-inline">Developer</span>
+          Console
+        </a><?cs /if ?><?cs
 
-            <ul class="nav-x col-9 develop" style="width:100%">
-                <li class="training"><a href="<?cs var:toroot ?>training/index.html"
-                  zh-tw-lang="訓練課程"
-                  zh-cn-lang="培训"
-                  ru-lang="Курсы"
-                  ko-lang="교육"
-                  ja-lang="トレーニング"
-                  es-lang="Capacitación"
-                  >Training</a></li>
-                <li class="guide"><a href="<?cs var:toroot ?>guide/index.html"
-                  zh-tw-lang="API 指南"
-                  zh-cn-lang="API 指南"
-                  ru-lang="Руководства по API"
-                  ko-lang="API 가이드"
-                  ja-lang="API ガイド"
-                  es-lang="Guías de la API"
-                  >API Guides</a></li>
-                <li class="reference"><a href="<?cs var:toroot ?>reference/packages.html"
-                  zh-tw-lang="參考資源"
-                  zh-cn-lang="参考"
-                  ru-lang="Справочник"
-                  ko-lang="참조문서"
-                  ja-lang="リファレンス"
-                  es-lang="Referencia"
-                  >Reference</a></li>
-                <li class="tools"><a href="<?cs var:toroot ?>sdk/index.html"
-                  zh-tw-lang="相關工具"
-                  zh-cn-lang="工具"
-                  ru-lang="Инструменты"
-                  ko-lang="도구"
-                  ja-lang="ツール"
-                  es-lang="Herramientas"
-                  >Tools</a></li>
-                <li class="google"><a href="<?cs var:toroot ?>google/index.html"
-                  >Google Services</a>
-                </li>
-                <?cs if:android.hasSamples ?>
-                  <li class="samples"><a href="<?cs var:toroot ?>samples/index.html"
-                    >Samples</a>
-                  </li>
-                <?cs /if ?>
-            </ul>
-        </div>
-    </div>
-    <!-- /Sendondary x-nav DEVELOP -->
-
-  <?cs elif:distribute || googleplay || essentials || users || engage || monetize || analyze ||  disttools || stories ?>
-    <!-- Secondary distribute x-nav -->
-    <div id="nav-x">
-        <div class="wrap">
-            <ul class="nav-x distribute">
-                <li class="googleplay"><a href="<?cs var:toroot ?>distribute/googleplay/index.html"
-                  >Google Play</a></li>
-                <li class="essentials"><a href="<?cs var:toroot ?>distribute/essentials/index.html"
-                  >Essentials</a></li>
-                <li class="users"><a href="<?cs var:toroot ?>distribute/users/index.html"
-                  >Get Users</a></li>
-                <li class="engage"><a href="<?cs var:toroot ?>distribute/engage/index.html"
-                  >Engage &amp; Retain</a></li>
-                <li class="monetize"><a href="<?cs var:toroot ?>distribute/monetize/index.html"
-                  >Monetize</a>
-                </li>
-                <li class="analyze"><a href="<?cs var:toroot ?>distribute/analyze/index.html"
-                  >Analyze</a>
-                </li>
-                <li class="disttools"><a href="<?cs var:toroot ?>distribute/tools/index.html"
-                  >Tools</a>
-                </li>
-                <li class="stories"><a href="<?cs var:toroot ?>distribute/stories/index.html"
-                  >Stories</a>
-                </li>
-            </ul>
-            <a href="https://play.google.com/apps/publish/" class="developer-console-btn">Developer Console</a>
-        </div> <!-- /Secondary distribute x-nav -->
-    </div>
-    <!-- /Sendondary x-nav DISTRIBUTE -->
-  <?cs /if ?>
-
-    <div id="searchResults" class="wrap" style="display:none;">
-      <h2 id="searchTitle">Results</h2>
-      <div id="leftSearchControl" class="search-control">Loading...</div>
-    </div>
+        # ADD SEARCH AND MENU ?><?cs
+        if:!ndk ?><?cs
+          if:!referenceonly ?><?cs
+            call:header_search_widget() ?><?cs
+          /if ?><?cs
+        /if ?>
+      </div><!-- end header-wrap.wrap -->
+    </div><!-- end header -->
   </div> <!--end header-wrapper -->
 
-  <div id="sticky-header">
-    <div>
-      <a class="logo" href="#top"></a>
-      <a class="top" href="#top"></a>
-      <ul class="breadcrumb">
-        <?cs # More <li> elements added here with javascript ?>
-        <?cs if:!section.landing ?><li class="current"><?cs var:page.title ?></li><?cs
-        /if ?>
+  <?cs if:ndk ?>
+  <!-- NDK Navigation-->
+  <nav class="dac-nav">
+    <div class="dac-nav-dimmer" data-dac-toggle-nav></div>
+
+    <div class="dac-nav-sidebar" data-swap data-dynamic="false" data-transition-speed="300" data-dac-nav>
+                   <div data-swap-container>
+        <?cs call:custom_left_nav() ?>
+      <ul id="dac-main-navigation" class="dac-nav-list dac-swap-section dac-left dac-no-anim">
+      <li class="dac-nav-item guides">
+        <a class="dac-nav-link" href="<?cs var:toroot ?>ndk/guides/index.html"
+           zh-tw-lang="API 指南"
+           zh-cn-lang="API 指南"
+           ru-lang="Руководства по API"
+           ko-lang="API 가이드"
+           ja-lang="API ガイド"
+           es-lang="Guías de la API">Guides</a>
+      </li>
+      <li class="dac-nav-item reference">
+        <a class="dac-nav-link" href="<?cs var:toroot ?>ndk/reference/index.html"
+           zh-tw-lang="參考資源"
+           zh-cn-lang="参考"
+           ru-lang="Справочник"
+           ko-lang="참조문서"
+           ja-lang="リファレンス"
+           es-lang="Referencia">Reference</a>
+      </li>
+      <li class="dac-nav-item samples">
+        <a class="dac-nav-link" href="<?cs var:toroot ?>ndk/samples/index.html"
+           >Samples</a>
+      </li>
+      <li class="dac-nav-item downloads">
+        <a class="dac-nav-link" href="<?cs var:toroot ?>ndk/downloads/index.html"
+           >Downloads</a>
+      </li>
       </ul>
     </div>
-  </div>
+                       </div>
+  </nav>
+  <!-- end NDK navigation-->
 
-<?cs /if ?><?cs # end if/else !devsite ?>
-<?cs /if ?><?cs # end if/else preview ?><?cs
-/def ?>
 
-<?cs def:preview_masthead() ?>
-<a name="top"></a>
 
+  <?cs else ?>
+  <!-- Navigation-->
+  <nav class="dac-nav">
+    <div class="dac-nav-dimmer" data-dac-toggle-nav></div>
 
-<!-- Header -->
-<div id="header-wrapper">
-  <div id="header"><?cs call:butter_bar() ?>
-    <div class="wrap" id="header-wrap">
-      <div class="col_3 logo landing-logo" style="width:240px">
-        <a href="<?cs var:toroot ?>preview/index.html">
-          <img src="<?cs var:toroot ?>assets/images/android.png" height="25" alt="Android"
-            style="margin:-3px 0 0" />
-        </a>
+    <div class="dac-nav-sidebar" data-swap data-dynamic="false" data-transition-speed="300" data-dac-nav>
+      <div <?cs if:!referenceonly ?>data-swap-container<?cs /if ?>>
+        <?cs call:custom_left_nav() ?>
+        <?cs if:!referenceonly ?>
+        <ul id="dac-main-navigation" class="dac-nav-list dac-swap-section dac-left dac-no-anim">
+        <li class="dac-nav-item home">
+          <a class="dac-nav-link" href="<?cs var:toroot ?>index.html">Home</a>
+          <i class="dac-sprite dac-expand-more-black dac-nav-sub-slider"></i>
+          <ul class="dac-nav-secondary about">
+            <li class="dac-nav-item versions">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>about/versions/nougat/index.html">Android</a>
+            </li>
+            <li class="dac-nav-item wear">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>wear/index.html">Wear</a>
+            </li>
+            <li class="dac-nav-item tv">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>tv/index.html">TV</a>
+            </li>
+            <li class="dac-nav-item auto">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>auto/index.html">Auto</a>
+            </li>
+          </ul>
+        </li>
+        <li class="dac-nav-item design">
+          <a class="dac-nav-link" href="<?cs var:toroot ?>design/index.html"
+             zh-tw-lang="設計"
+             zh-cn-lang="设计"
+             ru-lang="Проектирование"
+             ko-lang="디자인"
+             ja-lang="設計"
+             es-lang="Diseñar">Design</a>
+        </li>
+        <li class="dac-nav-item develop">
+          <a class="dac-nav-link" href="<?cs var:toroot ?>develop/index.html"
+             zh-tw-lang="開發"
+             zh-cn-lang="开发"
+             ru-lang="Разработка"
+             ko-lang="개발"
+             ja-lang="開発"
+             es-lang="Desarrollar">Develop</a>
+          <i class="dac-sprite dac-expand-more-black dac-nav-sub-slider"></i>
+          <ul class="dac-nav-secondary develop">
+            <li class="dac-nav-item training">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>training/index.html"
+                 zh-tw-lang="訓練課程"
+                 zh-cn-lang="培训"
+                 ru-lang="Курсы"
+                 ko-lang="교육"
+                 ja-lang="トレーニング"
+                 es-lang="Capacitación">Training</a>
+            </li>
+            <li class="dac-nav-item guide">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>guide/index.html"
+                 zh-tw-lang="API 指南"
+                 zh-cn-lang="API 指南"
+                 ru-lang="Руководства по API"
+                 ko-lang="API 가이드"
+                 ja-lang="API ガイド"
+                 es-lang="Guías de la API">API Guides</a>
+            </li>
+            <li class="dac-nav-item reference">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>reference/packages.html"
+                 zh-tw-lang="參考資源"
+                 zh-cn-lang="参考"
+                 ru-lang="Справочник"
+                 ko-lang="참조문서"
+                 ja-lang="リファレンス"
+                 es-lang="Referencia">Reference</a>
+            </li>
+            <li class="dac-nav-item tools">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>sdk/index.html"
+                 zh-tw-lang="相關工具"
+                 zh-cn-lang="工具"
+                 ru-lang="Инструменты"
+                 ko-lang="도구"
+                 ja-lang="ツール"
+                 es-lang="Herramientas">Tools</a></li>
+            <li class="dac-nav-item google">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>google/index.html">Google Services</a>
+            </li>
+            <?cs if:android.hasSamples ?>
+            <li class="dac-nav-item samples">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>samples/index.html">Samples</a>
+            </li>
+            <?cs /if ?>
+          </ul>
+        </li>
+        <li class="dac-nav-item distribute">
+          <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/<?cs if:android.whichdoc == 'offline' ?>googleplay/<?cs /if ?>index.html"
+             zh-tw-lang="發佈"
+             zh-cn-lang="分发"
+             ru-lang="Распространение"
+             ko-lang="배포"
+             ja-lang="配布"
+             es-lang="Distribuir">Distribute</a>
+          <i class="dac-sprite dac-expand-more-black dac-nav-sub-slider"></i>
+          <ul class="dac-nav-secondary distribute">
+            <li class="dac-nav-item googleplay">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/googleplay/index.html">Google Play</a></li>
+            <li class="dac-nav-item essentials">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/essentials/index.html">Essentials</a></li>
+            <li class="dac-nav-item users">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/users/index.html">Get Users</a></li>
+            <li class="dac-nav-item engage">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/engage/index.html">Engage &amp; Retain</a></li>
+            <li class="dac-nav-item monetize">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/monetize/index.html">Earn</a>
+            </li>
+            <li class="dac-nav-item analyze">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/analyze/index.html">Analyze</a>
+            </li>
+            <li class="dac-nav-item stories">
+              <a class="dac-nav-link" href="<?cs var:toroot ?>distribute/stories/index.html">Stories</a>
+            </li>
+          </ul>
+        </li>
+        <!--<li class="dac-nav-item preview">
+          <a class="dac-nav-link" href="<?cs var:toroot ?>preview/index.html">Preview</a>
+        </li>-->
+        </ul>
+        <?cs /if ?><?cs # end if referenceonly ?>
       </div>
-      <div class="col-8" style="margin:0"><h1 style="margin: 4px 0 0 0px;padding:0;line-height:16px;
-color:#666;font-weight:100;font-size:27px;">L Developer Preview</h1></div>
-
-      <?cs # ADD SEARCH AND MENU ?>
-      <?cs call:header_search_widget() ?>
-
-    </div><!-- end header-wrap -->
-  </div><!-- /Header -->
-
-
-  <div id="searchResults" class="wrap" style="display:none;">
-          <h2 id="searchTitle">Results</h2>
-          <div id="leftSearchControl" class="search-control">Loading...</div>
-  </div>
-</div> <!--end header-wrapper -->
-
-<div id="sticky-header">
-  <div>
-    <a class="logo" href="#top"></a>
-    <a class="top" href="#top"></a>
-    <ul class="breadcrumb">
-      <?cs # More <li> elements added here with javascript ?>
-      <?cs if:!section.landing ?><li class="current"><?cs var:page.title ?></li><?cs
-      /if ?>
-    </ul>
-  </div>
-</div>
+    </div>
+  </nav>
+  <!-- end navigation-->
+  <?cs /if ?>
 
-  <?cs
-/def ?>
+<!-- Nav Setup -->
+<script>$('[data-dac-nav]').dacNav();</script>
 
+<?cs
+/def ?><?cs # end custom_masthead() ?><?cs
 
-<?cs # (UN)COMMENT THE INSIDE OF THIS METHOD TO TOGGLE VISIBILITY ?>
-<?cs def:butter_bar() ?>
+def:toast() ?><?cs
 
-<?cs # HIDE THE BUTTER BAR
+# (UN)COMMENT TO TOGGLE VISIBILITY
 
-    <div style="height:20px"><!-- spacer to bump header down --></div>
-    <div id="butterbar-wrapper">
-      <div id="butterbar">
-        <a href="http://googleblog.blogspot.com/" id="butterbar-message">
-          The Android 5.0 SDK will be available on October 17th!
-        </a>
+  <div class="dac-toast-group">
+    <div class="dac-toast" data-toast>
+      <div class="dac-toast-wrap">
+        This is a demo notification <a href="#">Learn more</a>.
       </div>
     </div>
+  </div>
 
-?>    
-
-<?cs /def ?>
+?><?cs
+/def ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/customizations.cs b/tools/droiddoc/templates-sdk/customizations.cs
index c8c88cc46..0b938ac5d 100644
--- a/tools/droiddoc/templates-sdk/customizations.cs
+++ b/tools/droiddoc/templates-sdk/customizations.cs
@@ -1,337 +1,33 @@
-<?cs 
-def:fullpage() ?>
-  <div id="body-content">
-<?cs /def ?>
-<?cs 
-def:sdk_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/sdk/sdk_toc.cs" ?>
-
-
-      </div>
-    </div> <!-- end side-nav -->
-<?cs /def ?><?cs
-
-def:no_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-<?cs /def ?><?cs
-
-def:tools_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs 
-        include:"../../../../frameworks/base/docs/html/tools/tools_toc.cs" ?>
-        
-        
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:training_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/training/training_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:googleplay_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/googleplay/googleplay_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:essentials_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/essentials/essentials_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:users_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/users/users_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:engage_nav() ?>
+<?cs def:body_content_wrap_start() ?>
   <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/engage/engage_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:analyze_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/analyze/analyze_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
 <?cs /def ?><?cs
 
-def:monetize_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/monetize/monetize_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:disttools_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/tools/disttools_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?><?cs
-
-def:stories_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-<?cs include:"../../../../frameworks/base/docs/html/distribute/stories/stories_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
+def:fullpage() ?>
+  <div id="body-content">
+    <div>
 <?cs /def ?><?cs
 
-def:guide_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs 
-        include:"../../../../frameworks/base/docs/html/guide/guide_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:design_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/design/design_toc.cs" ?>
-       
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-<?cs
-def:distribute_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/distribute/distribute_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-<?cs
-def:samples_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/samples/samples_toc.cs" ?>
+# The default side navigation for the reference docs ?><?cs
+def:reference_default_nav() ?>
+  <!-- Fullscreen toggler -->
+  <button data-fullscreen class="dac-nav-fullscreen">
+    <i class="dac-sprite dac-fullscreen"></i>
+  </button>
 
-      </div>
+  <script>$('[data-fullscreen]').dacFullscreen();</script>
+  <!-- End: Fullscreen toggler -->
 
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-<?cs
-def:google_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/google/google_toc.cs" ?>
-        
-
-      </div>
-      <script type="text/javascript">
-       showGoogleRefTree();
-    
-      </script>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-<?cs
-def:about_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-3" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/about/about_toc.cs" ?>
-        
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-
-<?cs
-def:wear_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-
-<?cs
-        include:"../../../../frameworks/base/docs/html/wear/wear_toc.cs" ?>
-
-
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
-    </script>
-<?cs /def ?>
-
-<?cs
-def:preview_nav() ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav" class="scroll-pane">
-        <?cs
-          include:"../../../../frameworks/base/docs/html/preview/preview_toc.cs" ?>
-      </div>
-    </div> <!-- end side-nav -->
-    <script>
-      $(document).ready(function() {
-        scrollIntoView("devdoc-nav");
-        });
+  <?cs if:reference.gcm || reference.gms ?>
+    <?cs include:"../../../../frameworks/base/docs/html/google/google_toc.cs" ?>
+    <script type="text/javascript">
+      showGoogleRefTree();
     </script>
-<?cs /def ?>
-
-<?cs # The default side navigation for the reference docs ?><?cs 
-def:default_left_nav() ?>
-<?cs if:reference.gcm || reference.gms ?>
-  <?cs call:google_nav() ?>
-<?cs else ?>
-  <div class="wrap clearfix" id="body-content">
-    <div class="col-4" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
-      <div id="devdoc-nav">
+  <?cs else ?>
+    <div id="devdoc-nav">
       <div id="api-nav-header">
         <div id="api-level-toggle">
           <label for="apiLevelCheckbox" class="disabled"
-            title="Select your target API level to dim unavailable APIs">API level: </label>
+                 title="Select your target API level to dim unavailable APIs">API level: </label>
           <div class="select-wrapper">
             <select id="apiLevelSelector">
               <!-- option elements added by buildApiLevelSelector() -->
@@ -339,277 +35,214 @@
           </div>
         </div><!-- end toggle -->
         <div id="api-nav-title">Android APIs</div>
-        </div><!-- end nav header -->
+      </div><!-- end nav header -->
       <script>
-        var SINCE_DATA = [ <?cs 
-          each:since = since ?>'<?cs 
-            var:since.name ?>'<?cs 
+        var SINCE_DATA = [ <?cs
+          each:since = since ?>'<?cs
+            var:since.name ?>'<?cs
             if:!last(since) ?>, <?cs /if ?><?cs
-          /each 
-        ?> ];
+            /each
+          ?> ];
         buildApiLevelSelector();
       </script>
-                  
-      <div id="swapper">
-        <div id="nav-panels">
-          <div id="resize-packages-nav">
-            <div id="packages-nav" class="scroll-pane">
 
-              <ul>
-                <?cs call:package_link_list(docs.packages) ?>
-              </ul><br/>
-
-            </div> <!-- end packages-nav -->
-          </div> <!-- end resize-packages -->
-          <div id="classes-nav" class="scroll-pane">
-
-
-<?cs 
-            if:subcount(class.package) ?>
-            <ul>
-              <?cs call:list("Annotations", class.package.annotations) ?>
-              <?cs call:list("Interfaces", class.package.interfaces) ?>
-              <?cs call:list("Classes", class.package.classes) ?>
-              <?cs call:list("Enums", class.package.enums) ?>
-              <?cs call:list("Exceptions", class.package.exceptions) ?>
-              <?cs call:list("Errors", class.package.errors) ?>
-            </ul><?cs 
-            elif:subcount(package) ?>
-            <ul>
-              <?cs call:class_link_list("Annotations", package.annotations) ?>
-              <?cs call:class_link_list("Interfaces", package.interfaces) ?>
-              <?cs call:class_link_list("Classes", package.classes) ?>
-              <?cs call:class_link_list("Enums", package.enums) ?>
-              <?cs call:class_link_list("Exceptions", package.exceptions) ?>
-              <?cs call:class_link_list("Errors", package.errors) ?>
-            </ul><?cs 
-            else ?>
-              <p style="padding:10px">Select a package to view its members</p><?cs 
-            /if ?><br/>
-        
+      <div class="dac-reference-nav" data-reference-tree>
+        <ul class="dac-reference-nav-list" data-reference-namespaces>
+          <?cs call:package_link_list(docs.packages) ?>
+        </ul>
+
+        <?cs if:subcount(class.package) ?>
+        <ul data-reference-resources>
+          <?cs call:list("Annotations", class.package.annotations) ?>
+          <?cs call:list("Interfaces", class.package.interfaces) ?>
+          <?cs call:list("Classes", class.package.classes) ?>
+          <?cs call:list("Enums", class.package.enums) ?>
+          <?cs call:list("Exceptions", class.package.exceptions) ?>
+          <?cs call:list("Errors", class.package.errors) ?>
+        </ul>
+        <?cs elif:subcount(package) ?>
+        <ul data-reference-resources>
+          <?cs call:class_link_list("Annotations", package.annotations) ?>
+          <?cs call:class_link_list("Interfaces", package.interfaces) ?>
+          <?cs call:class_link_list("Classes", package.classes) ?>
+          <?cs call:class_link_list("Enums", package.enums) ?>
+          <?cs call:class_link_list("Exceptions", package.exceptions) ?>
+          <?cs call:class_link_list("Errors", package.errors) ?>
+        </ul>
+        <?cs /if ?>
+      </div>
+    </div>
+  <?cs /if ?>
+<?cs /def ?><?cs
 
-          </div><!-- end classes -->
-        </div><!-- end nav-panels -->
-        <div id="nav-tree" style="display:none" class="scroll-pane">
-          <div id="tree-list"></div>
-        </div><!-- end nav-tree -->
-      </div><!-- end swapper -->
-      <div id="nav-swap">
-      <a class="fullscreen">fullscreen</a>
-      <a href='#' onclick='swapNav();return false;'><span id='tree-link'>Use Tree Navigation</span><span id='panel-link' style='display:none'>Use Panel Navigation</span></a>
+def:ndk_nav() ?>
+  <div class="wrap clearfix" id="body-content"><div class="cols">
+    <div class="col-3 dac-toggle dac-mobile" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <?cs call:mobile_nav_toggle() ?>
+      <div class="dac-toggle-content" id="devdoc-nav">
+        <div class="scroll-pane">
+<?cs
+if:guide ?><?cs include:"../../../../frameworks/base/docs/html/ndk/guides/guides_toc.cs" ?><?cs
+elif:reference ?><?cs include:"../../../../frameworks/base/docs/html/ndk/reference/reference_toc.cs" ?><?cs
+elif:downloads ?><?cs include:"../../../../frameworks/base/docs/html/ndk/downloads/downloads_toc.cs" ?><?cs
+elif:samples ?><?cs include:"../../../../frameworks/base/docs/html/ndk/samples/samples_toc.cs" ?><?cs
+/if ?>
+        </div>
       </div>
-    </div> <!-- end devdoc-nav -->
     </div> <!-- end side-nav -->
-    <script type="text/javascript">
-      // init fullscreen based on user pref
-      var fullscreen = readCookie("fullscreen");
-      if (fullscreen != 0) {
-        if (fullscreen == "false") {
-          toggleFullscreen(false);
-        } else {
-          toggleFullscreen(true);
-        }
-      }
-      // init nav version for mobile
-      if (isMobile) {
-        swapNav(); // tree view should be used on mobile
-        $('#nav-swap').hide();
-      } else {
-        chooseDefaultNav();
-        if ($("#nav-tree").is(':visible')) {
-          init_default_navtree("<?cs var:toroot ?>");
-        }
-      }
-      // scroll the selected page into view
-      $(document).ready(function() {
-        scrollIntoView("packages-nav");
-        scrollIntoView("classes-nav");
-        });
-    </script>
-<?cs /if ?>
-    <?cs 
-/def ?>
-
+<?cs /def ?><?cs
 
-<?cs
 def:header_search_widget() ?>
-<div class="menu-container">
-  <div class="moremenu">
-    <div id="more-btn"></div>
-  </div>
-  <div class="morehover" id="moremenu">
-    <div class="top"></div>
-    <div class="mid">
-      <div class="header">Links</div>
-      <ul>
-        <li><a href="https://play.google.com/apps/publish/" target="_googleplay">Google Play Developer Console</a></li>
-        <li><a href="http://android-developers.blogspot.com/">Android Developers Blog</a></li>
-        <li><a href="<?cs var:toroot ?>about/index.html">About Android</a></li>
-      </ul>
-      <div class="header">Android Sites</div>
-      <ul>
-        <li><a href="http://www.android.com">Android.com</a></li>
-        <li class="active"><a>Android Developers</a></li>
-        <li><a href="http://source.android.com">Android Open Source Project</a></li>
-      </ul>
+  <form data-search class="dac-header-search">
+    <button class="dac-header-search-close" data-search-close>
+      <i class="dac-sprite dac-back-arrow"></i>
+    </button>
+
+    <div class="dac-header-search-inner">
+      <i class="dac-sprite dac-search-white dac-header-search-icon"></i>
+      <input id="search_autocomplete" type="text" value="" autocomplete="off" name="q" class="dac-header-search-input" placeholder="Search" />
+      <button class="dac-header-search-clear dac-hidden" data-search-clear>
+        <i class="dac-sprite dac-close-black"></i>
+      </button>
+    </div>
+  </form>
+<?cs /def ?><?cs
 
-      <?cs # Include language switcher only in online docs ?>
-      <?cs if:android.whichdoc == "online" ?>
-        <div class="header">Language</div>
-          <div id="language" class="locales">
-            <select name="language" onChange="changeLangPref(this.value, true)">
-                <option value="en">English</option>
-                <option value="es">Español</option>
-                <option value="ja">日本語</option>
-                <option value="ko">한국어</option>
-                <option value="ru">Русский</option>
-                <option value="zh-cn">中文（简体)</option>
-                <option value="zh-tw">中文（繁體)</option>
-            </select>
+def:search_results() ?>
+  <div id="search-results" class="dac-search-results">
+    <div id="dac-search-results-history" class="dac-search-results-history">
+      <div class="wrap dac-search-results-history-wrap">
+        <div class="cols">
+          <div class="col-1of2 col-tablet-1of2 col-mobile-1of1">
+            <h2>Most visited</h2>
+            <div class="resource-flow-layout" data-history-query="history:most/visited" data-maxresults="3" data-cardsizes="18x2"></div>
           </div>
-        <script type="text/javascript">
-          <!--
-          loadLangPref();
-            //-->
-        </script>
-      <?cs /if ?>
-      <?cs # End of lang switcher ?>
-      <br class="clearfix" />
-    </div><!-- end 'mid' -->
-    <div class="bottom"></div>
-  </div><!-- end 'moremenu' -->
 
-  <div class="search" id="search-container">
-    <div class="search-inner">
-      <div id="search-btn"></div>
-      <div class="left"></div>
-      <form onsubmit="return submit_search()">
-        <input id="search_autocomplete" type="text" value="" autocomplete="off" name="q"
-          onfocus="search_focus_changed(this, true)" onblur="search_focus_changed(this, false)"
-          onkeydown="return search_changed(event, true, '<?cs var:toroot ?>')"
-          onkeyup="return search_changed(event, false, '<?cs var:toroot ?>')" />
-      </form>
-      <div class="right"></div>
-      <a class="close hide">close</a>
-      <div class="left"></div>
-      <div class="right"></div>
-    </div><!-- end search-inner -->
-  </div><!-- end search-container -->
-
-  <div class="search_filtered_wrapper reference">
-    <div class="suggest-card reference no-display">
-      <ul class="search_filtered">
-      </ul>
+          <div class="col-1of2 col-tablet-1of2 col-mobile-1of1">
+            <h2>Recently visited</h2>
+            <div class="resource-flow-layout cols" data-history-query="history:recent" data-allow-duplicates="true" data-maxresults="3" data-cardsizes="18x2"></div>
+          </div>
+        </div>
+      </div>
     </div>
-  </div>
 
-  <div class="search_filtered_wrapper docs">
-    <div class="suggest-card dummy no-display">&nbsp;</div>
-    <div class="suggest-card develop no-display">
-      <ul class="search_filtered">
-      </ul>
-      <div class="child-card guides no-display">
-      </div>
-      <div class="child-card training no-display">
-      </div>
-      <div class="child-card samples no-display">
+    <div id="dac-search-results-content" class="dac-search-results-content">
+      <div class="dac-search-results-metadata wrap">
+        <div class="dac-search-results-for">
+          <h2>Results for <span id="search-results-for"></span></h2>
+        </div>
+
+        <div id="dac-search-results-hero"></div>
+
+        <div class="dac-search-results-hero cols">
+          <div id="dac-search-results-reference" class="col-3of6 col-tablet-1of2 col-mobile-1of1">
+            <div class="suggest-card reference no-display">
+              <ul class="dac-search-results-reference">
+              </ul>
+            </div>
+          </div>
+          <div id="dac-custom-search-results"></div>
+        </div>
       </div>
-    </div>
-    <div class="suggest-card design no-display">
-      <ul class="search_filtered">
-      </ul>
-    </div>
-    <div class="suggest-card distribute no-display">
-      <ul class="search_filtered">
-      </ul>
+
     </div>
   </div>
-</div><!-- end menu-container (search and menu widget) -->
-<?cs /def ?>
-
-
+<?cs /def ?><?cs
 
-<?cs 
-def:custom_left_nav() ?><?cs
-  if:fullpage ?><?cs
-    call:fullpage() ?><?cs
-  elif:nonavpage ?><?cs
-    call:no_nav() ?><?cs
-  elif:guide ?><?cs 
-    call:guide_nav() ?><?cs 
-  elif:design ?><?cs
-    call:design_nav() ?><?cs 
-  elif:training ?><?cs 
-    call:training_nav() ?><?cs 
-  elif:tools ?><?cs 
-    call:tools_nav() ?><?cs
-  elif:google ?><?cs 
-    call:google_nav() ?><?cs 
-  elif:samples ?><?cs
-    call:samples_nav() ?><?cs
-  elif:distribute ?><?cs 
-    if:googleplay ?><?cs
-      call:googleplay_nav() ?><?cs
-    elif:essentials ?><?cs
-      call:essentials_nav() ?><?cs
-    elif:users ?><?cs
-      call:users_nav() ?><?cs
-    elif:engage ?><?cs
-      call:engage_nav() ?><?cs
-    elif:monetize ?><?cs
-      call:monetize_nav() ?><?cs
-    elif:analyze ?><?cs
-      call:analyze_nav() ?><?cs
-    elif:disttools ?><?cs
-      call:disttools_nav() ?><?cs
-    elif:stories ?><?cs
-      call:stories_nav() ?><?cs
-    /if ?><?cs
-  elif:about ?><?cs
-    call:about_nav() ?><?cs
-  elif:distribute ?><?cs
-    call:distribute_nav() ?><?cs
-  elif:wear ?><?cs
-    call:wear_nav() ?><?cs
-  elif:preview ?><?cs
-    call:preview_nav() ?><?cs
-  else ?><?cs
-    call:default_left_nav() ?> <?cs
-  /if ?><?cs
-/def ?>
+def:custom_left_nav() ?>
+  <?cs if:(!fullpage && !nonavpage) || forcelocalnav ?>
+    <?cs if:!referenceonly ?>
+    <a class="dac-nav-back-button dac-swap-section dac-up dac-no-anim" data-swap-button href="javascript:;">
+      <i class="dac-sprite dac-nav-back"></i> <span class="dac-nav-back-title">Back</span>
+    </a>
+    <?cs /if ?>
+    <div class="dac-nav-sub dac-swap-section dac-right dac-active" itemscope
+      itemtype="http://schema.org/SiteNavigationElement" <?cs
+        if:referenceonly ?>style="top:0 !important;"<?cs /if ?>>
+      <?cs if:ndk ?>
+        <?cs if:guide ?>
+          <?cs include:"../../../../frameworks/base/docs/html/ndk/guides/guides_toc.cs" ?>
+        <?cs elif:reference ?>
+          <?cs include:"../../../../frameworks/base/docs/html/ndk/reference/reference_toc.cs" ?>
+        <?cs elif:downloads ?>
+          <?cs include:"../../../../frameworks/base/docs/html/ndk/downloads/downloads_toc.cs" ?>
+        <?cs elif:samples ?>
+          <?cs include:"../../../../frameworks/base/docs/html/ndk/samples/samples_toc.cs" ?>
+        <?cs else ?>
+          <?cs call:reference_default_nav() ?>
+        <?cs /if ?>
+      <?cs elif:guide ?>
+        <?cs include:"../../../../frameworks/base/docs/html/guide/guide_toc.cs" ?>
+      <?cs elif:design ?>
+        <?cs include:"../../../../frameworks/base/docs/html/design/design_toc.cs" ?>
+      <?cs elif:training ?>
+        <?cs include:"../../../../frameworks/base/docs/html/training/training_toc.cs" ?>
+      <?cs elif:tools ?>
+        <?cs include:"../../../../frameworks/base/docs/html/tools/tools_toc.cs" ?>
+      <?cs elif:google ?>
+        <?cs include:"../../../../frameworks/base/docs/html/google/google_toc.cs" ?>
+      <?cs elif:samples ?>
+        <?cs include:"../../../../frameworks/base/docs/html/samples/samples_toc.cs" ?>
+      <?cs elif:preview ?>
+        <?cs include:"../../../../frameworks/base/docs/html/preview/preview_toc.cs" ?>
+      <?cs elif:preview ?>
+        <?cs include:"../../../../frameworks/base/docs/html/wear/preview/preview_toc.cs" ?>
+      <?cs elif:distribute ?>
+        <?cs if:googleplay ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/googleplay/googleplay_toc.cs" ?>
+        <?cs elif:essentials ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/essentials/essentials_toc.cs" ?>
+        <?cs elif:users ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/users/users_toc.cs" ?>
+        <?cs elif:engage ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/engage/engage_toc.cs" ?>
+        <?cs elif:monetize ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/monetize/monetize_toc.cs" ?>
+        <?cs elif:analyze ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/analyze/analyze_toc.cs" ?>
+        <?cs elif:disttools ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/tools/disttools_toc.cs" ?>
+        <?cs elif:stories ?>
+          <?cs include:"../../../../frameworks/base/docs/html/distribute/stories/stories_toc.cs" ?>
+        <?cs /if ?>
+      <?cs elif:about ?>
+        <?cs include:"../../../../frameworks/base/docs/html/about/about_toc.cs" ?>
+      <?cs else ?>
+        <?cs call:reference_default_nav() ?>
+      <?cs /if ?>
+    </div>
+  <?cs /if ?>
+<?cs /def ?><?cs
 
-<?cs # appears at the bottom of every page ?><?cs 
+# appears at the bottom of every page ?><?cs
 def:custom_cc_copyright() ?>
-  Except as noted, this content is 
+  Except as noted, this content is
   licensed under <a href="http://creativecommons.org/licenses/by/2.5/">
-  Creative Commons Attribution 2.5</a>. For details and 
-  restrictions, see the <a href="<?cs var:toroot ?>license.html">Content 
-  License</a>.<?cs 
-/def ?>
+  Creative Commons Attribution 2.5</a>. For details and
+  restrictions, see the <a href="<?cs var:toroot ?>license.html">Content
+  License</a>.
+<?cs /def ?><?cs
 
-<?cs 
 def:custom_copyright() ?>
   Except as noted, this content is licensed under <a
-  href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0</a>. 
+  href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0</a>.
   For details and restrictions, see the <a href="<?cs var:toroot ?>license.html">
-  Content License</a>.<?cs 
-/def ?>
+  Content License</a>.
+<?cs /def ?><?cs
 
-<?cs 
 def:custom_footerlinks() ?>
-  <p>
-    <a href="<?cs var:toroot ?>about/index.html">About Android</a>&nbsp;&nbsp;|&nbsp;
-    <a href="<?cs var:toroot ?>legal.html">Legal</a>&nbsp;&nbsp;|&nbsp;
-    <a href="<?cs var:toroot ?>support.html">Support</a>
-  </p><?cs 
-/def ?>
-
-<?cs # appears on the right side of the blue bar at the bottom off every page ?><?cs 
-def:custom_buildinfo() ?><?cs
-  if:!google && !reference.gcm && !reference.gms ?>
-    Android <?cs var:sdk.version ?>&nbsp;r<?cs var:sdk.rel.id ?> &mdash; <?cs
-  /if ?>
-<script src="<?cs var:toroot ?>timestamp.js" type="text/javascript"></script>
-<script>document.write(BUILD_TIMESTAMP)</script>
-<?cs /def ?>
+  <a href="<?cs var:toroot ?>about/android.html">About Android</a>
+  <a href="<?cs var:toroot ?>auto/index.html">Auto</a>
+  <a href="<?cs var:toroot ?>tv/index.html">TV</a>
+  <a href="<?cs var:toroot ?>wear/index.html">Wear</a>
+  <a href="<?cs var:toroot ?>legal.html">Legal</a>
+<?cs /def ?><?cs
 
+# appears on the right side of the blue bar at the bottom off every page ?><?cs
+def:custom_buildinfo() ?>
+  <?cs if:!google && !reference.gcm && !reference.gms ?>
+    Android <?cs var:sdk.version ?>&nbsp;r<?cs var:sdk.rel.id ?> &mdash;
+  <?cs /if ?>
+  <script src="<?cs var:toroot ?>timestamp.js" type="text/javascript"></script>
+  <script>document.write(BUILD_TIMESTAMP)</script>
+<?cs /def ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/designpage.cs b/tools/droiddoc/templates-sdk/designpage.cs
index 2be179d4f..d75ce0ad9 100644
--- a/tools/droiddoc/templates-sdk/designpage.cs
+++ b/tools/droiddoc/templates-sdk/designpage.cs
@@ -37,17 +37,11 @@
 
 <?cs if:header.hide ?>
 <?cs else ?>
-<div class="layout-content-row content-header <?cs if:header.justLinks ?>just-links<?cs /if ?>">
-  <div class="layout-content-col span-9">
+<div class="content-header <?cs if:header.justLinks ?>just-links<?cs /if ?>">
     <?cs if:header.justLinks ?>&nbsp;
       <?cs elif:header.title ?><h2><?cs var:header.title ?></h2>
                    <?cs else ?><h2><?cs var:page.title ?></h2>
     <?cs /if ?>
-  </div>
-  <div class="paging-links layout-content-col span-4" itemscope itemtype="http://schema.org/SiteNavigationElement">
-    <a href="#" class="prev-page-link">Previous</a>
-    <a href="#" class="next-page-link">Next</a>
-  </div>
 </div>
 <?cs /if ?>
 
@@ -55,9 +49,9 @@
 
 <?cs if:footer.hide ?>
 <?cs else ?>
-<div class="layout-content-row content-footer" itemscope itemtype="http://schema.org/SiteNavigationElement">
-  <div class="paging-links layout-content-col span-9">&nbsp;</div>
-  <div class="paging-links layout-content-col span-4">
+<div class="cols content-footer" itemscope itemtype="http://schema.org/SiteNavigationElement">
+  <div class="paging-links col-9">&nbsp;</div>
+  <div class="paging-links col-4">
     <a href="#" class="prev-page-link">Previous</a>
     <a href="#" class="next-page-link">Next</a>
   </div>
diff --git a/tools/droiddoc/templates-sdk/docpage.cs b/tools/droiddoc/templates-sdk/docpage.cs
index d0642225b..e8a5ba3fe 100644
--- a/tools/droiddoc/templates-sdk/docpage.cs
+++ b/tools/droiddoc/templates-sdk/docpage.cs
@@ -1,49 +1,67 @@
-<?cs include:"doctype.cs" ?>
-<?cs include:"macros.cs" ?>
-<html<?cs if:devsite ?> devsite<?cs /if ?>>
+<?cs if:!devsite ?><?cs
+  include:"doctype.cs" ?><?cs /if ?><?cs
+  include:"macros.cs" ?><html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
-<body class="gc-documentation
-
+<body<?cs
+if:!devsite ?> class="gc-documentation<?cs
+# add document classes for navigation header selection (and other stuff) ?>
 <?cs
-if:(google || reference.gms || reference.gcm) ?>google<?cs /if ?><?cs
-  if:(guide||develop||training||reference||tools||sdk||samples) ?>develop<?cs
+  if:(google || reference.gms || reference.gcm) ?>google <?cs /if ?><?cs
+  if:ndk ?>ndk<?cs
     if:guide ?> guide<?cs /if ?><?cs
     if:samples ?> samples<?cs /if ?><?cs
-  elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories)
-    ?>distribute<?cs
-    if:googleplay ?> googleplay<?cs /if ?><?cs
-    if:essentials ?> essentials<?cs /if ?><?cs
-    if:users ?> users<?cs /if ?><?cs
-    if:engage ?> engage<?cs /if ?><?cs
-    if:monetize ?> monetize<?cs /if ?><?cs
-    if:disttools ?> disttools<?cs /if ?><?cs
-    if:stories ?> stories<?cs /if ?><?cs
-  elif:(about||wear||tv||auto) ?>about<?cs
-  elif:design ?>design<?cs
-/if ?><?cs
-if:page.trainingcourse ?> trainingcourse<?cs
-/if ?>" itemscope itemtype="http://schema.org/Article"><?cs
-include:"header.cs" ?>
-
-<div <?cs
-  if:fullpage
-    ?>class="fullpage"<?cs
-  elif:(design||tools||about||sdk||googleplay||essentials||users||monetize||disttools) && !nonavpage
-    ?>class="col-13" id="doc-col"<?cs
-  elif:!nonavpage
-    ?>class="col-12" id="doc-col"<?cs /if ?> >
-
-<?cs if:(design||training||walkthru) && !page.trainingcourse && !page.article ?><?cs # header logic for docs that provide previous/next buttons ?>
-  <?cs if:header.hide ?>
-  <?cs else ?>
-  <div class="layout-content-row content-header <?cs if:header.justLinks ?>just-links<?cs /if ?>">
-    <div class="layout-content-col <?cs if:training ?>span-7<?cs else ?>span-9<?cs /if ?>">
+    if:reference ?> reference<?cs /if ?><?cs
+    if:downloads ?> downloads<?cs /if ?><?cs
+  else ?><?cs
+    if:(guide||develop||training||reference||tools||sdk||google||samples) ?>develop<?cs
+      if:guide ?> guide<?cs /if ?><?cs
+      if:samples ?> samples<?cs /if ?><?cs
+    elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories||analyze) ?>distribute<?cs
+      if:googleplay ?> googleplay<?cs /if ?><?cs
+      if:essentials ?> essentials<?cs /if ?><?cs
+      if:users ?> users<?cs /if ?><?cs
+      if:engage ?> engage<?cs /if ?><?cs
+      if:monetize ?> monetize<?cs /if ?><?cs
+      if:disttools ?> disttools<?cs /if ?><?cs
+      if:stories ?> stories<?cs /if ?><?cs
+      if:analyze ?> analyze<?cs /if ?><?cs
+    elif:(design||vision||material||patterns||devices||designdownloads) ?> design<?cs
+      if:vision ?> vision<?cs /if ?><?cs
+      if:material ?> material<?cs /if ?><?cs
+      if:patterns ?> patterns<?cs /if ?><?cs
+      if:devices ?> devices<?cs /if ?><?cs
+      if:designdownloads ?> designdownloads<?cs /if ?><?cs
+    elif:(about||versions||wear||tv||auto) ?> about<?cs
+      if:versions ?> versions<?cs /if ?><?cs
+      if:wear ?> wear<?cs /if ?><?cs
+      if:tv ?> tv<?cs /if ?><?cs
+      if:auto ?> auto<?cs /if ?><?cs
+    elif:(preview) ?> preview<?cs
+    /if ?><?cs
+    if:page.trainingcourse ?> trainingcourse<?cs /if ?><?cs
+  /if ?>" itemscope itemtype="http://schema.org/Article"><?cs
+/if ?>><?cs
+include:"header.cs" ?><?cs
+
+if:(design||training||walkthru) && !page.trainingcourse && !page.article ?><?cs
+# header logic for docs that provide previous/next buttons ?><?cs
+  if:(header.hide||devsite) ?><?cs
+  else ?>
+    <div class="content-header <?cs if:header.justLinks ?>just-links<?cs /if ?>">
       <?cs if:header.justLinks ?>&nbsp;
-      <?cs else ?><h1 itemprop="name"><?cs var:page.title ?></h1>
-      <?cs /if ?>
-    </div>
-    <?cs if:training ?>
-      <div class="training-nav-top layout-content-col span-5" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <?cs else ?>
+        <ul class="dac-header-crumbs">
+          <?cs # More <li> elements added here with javascript ?>
+        </ul>
+
+        <!-- Breadcrumb Setup -->
+        <script>$('.dac-nav-list').dacCurrentPage().dacCrumbs();</script>
+
+        <h1 itemprop="name"><?cs var:page.title ?>
+      </h1><?cs
+      /if ?><?cs
+      if:training ?>
+      <div class="training-nav-top" itemscope itemtype="http://schema.org/SiteNavigationElement">
         <a href="#" class="prev-page-link hide"
             zh-tw-lang="上一堂課"
             zh-cn-lang="上一课"
@@ -68,9 +86,9 @@
             ja-lang="開始する"
             es-lang="Empezar"
             >Get started</a>
-      </div>
-    <?cs elif:!page.trainingcourse ?>
-      <div class="paging-links layout-content-col span-4" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      </div><?cs
+      elif:!page.trainingcourse ?>
+      <?cs # <div class="paging-linkss" itemscope itemtype="http://schema.org/SiteNavigationElement">
         <a href="#" class="prev-page-link hide"
             zh-tw-lang="上一堂課"
             zh-cn-lang="上一课"
@@ -87,12 +105,12 @@
             ja-lang="次へ"
             es-lang="Siguiente"
             >Next</a>
-      </div>
-    <?cs /if ?><?cs # end if training ?>
+      </div> ?><?cs
+      /if ?><?cs # end if training ?>
   </div>
-  <?cs /if ?><?cs # end if header.hide ?>
+  <?cs /if ?><?cs # end if header.hide ?><?cs
 
-<?cs elif:samplesProjectIndex ?>
+elif:samplesProjectIndex ?>
   <div id="api-info-block">
   <div class="sum-details-links">
   Overview
@@ -102,35 +120,35 @@
   </div><!-- end breadcurmb block -->
   <h1 itemprop="name"><?cs var:projectDir ?></h1>
 
-<?cs else ?>
-  <?cs if:training ?>
-<?cs # horrible horrible hack to move TOC up when the next/prev links are not there ?>
-<style>
-  #tb-wrapper {
-    margin-top:6px;
-  }
-</style>
-  <?cs /if ?>
-
-  <?cs if:(!fullpage && !header.hide) ?>
-    <?cs if:page.landing ?><?cs # header logic for docs that are landing pages ?>
+<?cs else ?><?cs
+  if:(!fullpage && !header.hide && !devsite) ?><?cs
+    if:page.landing ?><?cs # header logic for docs that are landing pages ?>
       <div class="landing-banner">
         <?cs if:page.landing.image ?><?cs # use two-column layout only if there is an image ?>
-        <div class="col-6">
-          <img src="<?cs var:toroot ?><?cs var:page.landing.image ?>" alt="" />
-        </div>
-        <div class="col-6">
+        <div class="cols">
+          <div class="col-6">
+            <img src="<?cs var:toroot ?><?cs var:page.landing.image ?>" alt="" />
+          </div>
+          <div class="col-6">
         <?cs /if ?>
           <h1 itemprop="name" style="margin-bottom:0;"><?cs var:page.title ?></h1>
           <p itemprop="description"><?cs var:page.landing.intro ?></p>
 
           <p><a class="next-page-link topic-start-link"></a></p>
         <?cs if:page.landing.image ?>
+          </div>
         </div>
         <?cs /if ?>
       </div>
-    <?cs else ?>
-      <?cs if:tab1 ?><div id="title-tabs-wrapper"><?cs /if ?>
+    <?cs else ?><?cs
+      if:tab1 ?><div id="title-tabs-wrapper"><?cs /if ?>
+        <ul class="dac-header-crumbs">
+          <?cs # More <li> elements added here with javascript ?>
+        </ul>
+
+        <!-- Breadcrumb Setup -->
+        <p><script>$('.dac-nav-list').dacCurrentPage().dacCrumbs();</script></p>
+
         <h1 itemprop="name" <?cs if:tab1 ?>class="with-title-tabs"<?cs /if ?>><?cs var:page.title ?></h1><?cs
           if:tab1 ?><ul id="title-tabs">
               <li class="selected"><a href="<?cs var:tab1.link ?>"><?cs var:tab1 ?></a></li>
@@ -140,26 +158,73 @@
               <li><a href="<?cs var:tab3.link ?>"><?cs var:tab3 ?></a></li><?cs /if ?>
             </ul>
           <?cs /if ?>
-      <?cs if:tab1 ?></div><!-- end tab-wrapper --><?cs /if ?>
-    <?cs /if ?>
-  <?cs /if ?>
-<?cs /if ?><?cs # end if design ?>
+      <?cs if:tab1 ?></div><!-- end tab-wrapper --><?cs /if ?><?cs
+    /if ?><?cs
+  /if ?><?cs
+/if ?><?cs # end if design ?><?cs
 
-  <?cs # THIS IS THE MAIN DOC CONTENT ?>
+if devsite ?><?cs
+  if:tab1 ?>
+  <div id="title-tabs-wrapper">
+    <ul id="title-tabs">
+      <li class="selected"><a href="<?cs var:tab1.link ?>"><?cs var:tab1 ?></a></li>
+      <?cs if:tab2 ?>
+      <li><a href="<?cs var:tab2.link ?>"><?cs var:tab2 ?></a></li><?cs /if ?>
+      <?cs if:tab3 ?>
+      <li><a href="<?cs var:tab3.link ?>"><?cs var:tab3 ?></a></li><?cs /if ?>
+    </ul>
+  </div><!-- end tab-wrapper --><?cs
+  /if ?><?cs
+/if ?><?cs
+
+# THIS IS THE MAIN DOC CONTENT ?><?cs
+  if:!devsite ?>
   <div id="jd-content">
+    <div class="jd-descr" itemprop="articleBody"><?cs
+  /if ?><?cs
+  if:(!fullpage && !header.hide && devsite) ?><?cs
+    if:page.landing ?><?cs # header logic for docs that are landing pages ?>
+        <div class="landing-banner">
+          <?cs if:page.landing.image ?><?cs # use two-column layout only if there is an image ?>
+          <div class="cols">
+            <div class="col-6">
+              <img src="<?cs var:toroot ?><?cs var:page.landing.image ?>" alt="" />
+            </div>
+            <div class="col-6">
+          <?cs /if ?>
+            <h1 itemprop="name" style="margin-bottom:0;"><?cs var:page.title ?></h1>
+            <p itemprop="description"><?cs var:page.landing.intro ?></p>
 
+            <p><a class="next-page-link topic-start-link"></a></p><?cs
+            if:page.landing.image ?>
+            </div>
+          </div><?cs
+          /if ?>
+        </div><?cs
+    /if ?><?cs
+  /if ?>
 
-    <div class="jd-descr" itemprop="articleBody">
-    <?cs call:tag_list(root.descr) ?>
-    </div>
+<?cs call:tag_list(root.descr) ?><?cs
 
+if:!devsite ?>
+    </div><!-- end jd-descr --><?cs
+/if ?><?cs
+
+if:!fullscreen && (design||training||walkthru) && !page.landing && !page.trainingcourse
+      && !footer.hide && !devsite?>
       <div class="content-footer <?cs
-                    if:fullpage ?>wrap<?cs
-                    else ?>layout-content-row<?cs /if ?>"
+                    if:fullpage ?>wrap<?cs /if ?>"
                     itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <?cs if:!fullscreen ?>
-        <div class="paging-links layout-content-col col-10">
-          <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
+          <div class="paging-links">
+            <a href="#" class="prev-page-link hide"
+              zh-tw-lang="上一堂課"
+              zh-cn-lang="上一课"
+              ru-lang="Предыдущий"
+              ko-lang="이전"
+              ja-lang="前へ"
+              es-lang="Anterior"
+              ><span class="page-link-caption">Previous</span>
+            </a>
             <a href="#" class="next-page-link hide"
                 zh-tw-lang="下一堂課"
                 zh-cn-lang="下一课"
@@ -167,7 +232,8 @@
                 ko-lang="다음"
                 ja-lang="次へ"
                 es-lang="Siguiente"
-                >Next</a>
+                ><span class="page-link-caption">Next</span>
+            </a>
             <a href="#" class="start-class-link hide"
                 zh-tw-lang="開始上課"
                 zh-cn-lang="开始"
@@ -176,31 +242,20 @@
                 ja-lang="開始する"
                 es-lang="Empezar"
                 >Get started</a>
-            <a href="#" class="next-class-link hide">Next class</a>
-          <?cs /if ?>
-        </div>
-        <div class="layout-content-col plus-container col-2" >
-          <?cs if:!page.noplus ?><?cs if:fullpage ?><style>#___plusone_0 {float:right !important;}</style><?cs /if ?>
-            <div class="g-plusone" data-size="medium"></div>
-          <?cs /if ?>
-        </div>
-        <?cs /if ?>
-      </div>
-
-  </div> <!-- end jd-content -->
+            <a href="#" class="next-class-link hide">
+              <span class="page-link-caption">Next class</span>
+            </a>
+          </div>
+      </div><?cs
+    /if ?><?cs
+if:!devsite ?>
+  </div> <!-- end jd-content --><?cs
+/if ?><?cs
 
+if:!devsite ?>
 <?cs include:"footer.cs" ?>
-</div><!-- end doc-content -->
-
 <?cs include:"trailer.cs" ?>
-  <script src="https://developer.android.com/ytblogger_lists_unified.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_lists_unified.js?v=8" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_extras.js?v=9" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_collections.js?v=9" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_tag_helpers.js?v=5" type="text/javascript"></script>
+<?cs /if ?>
 
 </body>
 </html>
-
-
-
diff --git a/tools/droiddoc/templates-sdk/footer.cs b/tools/droiddoc/templates-sdk/footer.cs
index b609d3b8c..452a811bd 100644
--- a/tools/droiddoc/templates-sdk/footer.cs
+++ b/tools/droiddoc/templates-sdk/footer.cs
@@ -1,20 +1,219 @@
-<div id="footer" class="wrap" <?cs if:fullpage ?>style="width:940px"<?cs /if ?>>
-        
-<?cs if:reference ?>
-  <div id="copyright">
-    <?cs call:custom_copyright() ?>
+<?cs # page footer content ?>
+<div class="wrap">
+  <div class="dac-footer<?cs if:fullpage ?> dac-landing<?cs /if ?>">
+    <div class="cols dac-footer-main">
+      <div class="col-1of2">
+        <a class="dac-footer-getnews" id="newsletter" data-modal-toggle="newsletter" href="javascript:;">Get news &amp; tips <span
+          class="dac-fab dac-primary"><i class="dac-sprite dac-mail"></i></span></a>
+      </div>
+      <div class="col-1of2 dac-footer-reachout">
+        <div class="dac-footer-contact">
+          <a class="dac-footer-contact-link" href="http://android-developers.blogspot.com/">Blog</a>
+          <a class="dac-footer-contact-link" href="/support.html">Support</a>
+        </div>
+        <div class="dac-footer-social">
+          <a class="dac-button-social dac-youtube dac-footer-social-link" href="https://www.youtube.com/user/androiddevelopers"><i class="dac-sprite dac-youtube"></i></a>
+          <a class="dac-button-social dac-gplus dac-footer-social-link" href="https://plus.google.com/+AndroidDevelopers"><i class="dac-sprite dac-gplus"></i></a>
+          <a class="dac-button-social dac-twitter dac-footer-social-link" href="https://twitter.com/AndroidDev"><i class="dac-sprite dac-twitter"></i></a>
+        </div>
+      </div>
+    </div>
+
+    <hr class="dac-footer-separator"/>
+
+    <?cs if:reference ?>
+      <p class="dac-footer-copyright">
+        <?cs call:custom_copyright() ?>
+      </p>
+      <p class="dac-footer-build">
+        <?cs call:custom_buildinfo() ?>
+      </p>
+    <?cs elif:!hide_license_footer ?>
+      <p class="dac-footer-copyright">
+        <?cs call:custom_cc_copyright() ?>
+      </p>
+    <?cs /if ?>
+
+    <p class="dac-footer-links">
+      <a href="/about/android.html">About Android</a>
+      <a href="/auto/index.html">Auto</a>
+      <a href="/tv/index.html">TV</a>
+      <a href="/wear/index.html">Wear</a>
+      <a href="/legal.html">Legal</a>
+
+      <span id="language" class="locales">
+        <select name="language" onchange="changeLangPref(this.value, true)">
+          <option value="en" selected="selected">English</option>
+          <option value="es">Español</option>
+          <option value="id">Bahasa Indonesia</option>
+          <option value="ja">日本語</option>
+          <option value="ko">한국어</option>
+          <option value="pt-br">Português Brasileiro</option>
+          <option value="ru">Русский</option>
+          <option value="vi">tiếng Việt</option>
+          <option value="zh-cn">中文（简体)</option>
+          <option value="zh-tw">中文（繁體)</option>
+        </select>
+      </span>
+    </p>
   </div>
-  <div id="build_info">
-    <?cs call:custom_buildinfo() ?>
+</div>
+<!-- end footer -->
+
+<?cs call:toast() ?>
+
+<div data-modal="newsletter" data-newsletter data-swap class="dac-modal newsletter">
+  <div class="dac-modal-container">
+    <div class="dac-modal-window">
+      <header class="dac-modal-header">
+        <div class="dac-modal-header-actions">
+          <button class="dac-modal-header-close" data-modal-toggle></button>
+        </div>
+        <div class="dac-swap" data-swap-container>
+          <section class="dac-swap-section dac-active dac-down">
+            <h2 class="norule dac-modal-header-title" data-t="newsletter.title"></h2>
+            <p class="dac-modal-header-subtitle" data-t="newsletter.requiredHint"></p>
+          </section>
+          <section class="dac-swap-section dac-up">
+            <h2 class="norule dac-modal-header-title" data-t="newsletter.successTitle">Hooray!</h2>
+          </section>
+        </div>
+      </header>
+      <div class="dac-swap" data-swap-container>
+        <section class="dac-swap-section dac-active dac-left">
+          <form action="https://docs.google.com/forms/d/1QgnkzbEJIDu9lMEea0mxqWrXUJu0oBCLD7ar23V0Yys/formResponse" class="dac-form" method="post" target="dac-newsletter-iframe">
+            <input type="hidden" name="entry.935454734" data-newsletter-language>
+            <section class="dac-modal-content">
+              <fieldset class="dac-form-fieldset">
+                <div class="cols">
+                  <div class="col-1of2 newsletter-leftCol">
+                    <div class="dac-form-input-group">
+                      <label for="newsletter-full-name" class="dac-form-floatlabel" data-t="newsletter.name">Full name</label>
+                      <input type="text" class="dac-form-input" name="entry.1357890476" id="newsletter-full-name" required>
+                      <span class="dac-form-required">*</span>
+                    </div>
+                    <div class="dac-form-input-group">
+                      <label for="newsletter-email" class="dac-form-floatlabel" data-t="newsletter.email">Email address</label>
+                      <input type="email" class="dac-form-input" name="entry.472100832" id="newsletter-email" required>
+                      <span class="dac-form-required">*</span>
+                    </div>
+                  </div>
+                  <div class="col-1of2 newsletter-rightCol">
+                    <div class="dac-form-input-group">
+                      <label for="newsletter-company" class="dac-form-floatlabel" data-t="newsletter.company">Company / developer name</label>
+                      <input type="text" class="dac-form-input" name="entry.1664780309" id="newsletter-company">
+                    </div>
+                    <div class="dac-form-input-group">
+                      <label for="newsletter-play-store" class="dac-form-floatlabel" data-t="newsletter.appUrl">One of your Play Store app URLs</label>
+                      <input type="url" class="dac-form-input" name="entry.47013838" id="newsletter-play-store" required>
+                      <span class="dac-form-required">*</span>
+                    </div>
+                  </div>
+                </div>
+              </fieldset>
+              <fieldset class="dac-form-fieldset">
+                <div class="cols">
+                  <div class="col-1of2 newsletter-leftCol">
+                    <legend class="dac-form-legend"><span data-t="newsletter.business.label">Which best describes your business:</span><span class="dac-form-required">*</span>
+                    </legend>
+                    <div class="dac-form-radio-group">
+                      <input type="radio" value="Apps" class="dac-form-radio" name="entry.1796324055" id="newsletter-business-type-app" required>
+                      <label for="newsletter-business-type-app" class="dac-form-radio-button"></label>
+                      <label for="newsletter-business-type-app" class="dac-form-label" data-t="newsletter.business.apps">Apps</label>
+                    </div>
+                    <div class="dac-form-radio-group">
+                      <input type="radio" value="Games" class="dac-form-radio" name="entry.1796324055" id="newsletter-business-type-games" required>
+                      <label for="newsletter-business-type-games" class="dac-form-radio-button"></label>
+                      <label for="newsletter-business-type-games" class="dac-form-label" data-t="newsletter.business.games">Games</label>
+                    </div>
+                    <div class="dac-form-radio-group">
+                      <input type="radio" value="Apps and Games" class="dac-form-radio" name="entry.1796324055" id="newsletter-business-type-appsgames" required>
+                      <label for="newsletter-business-type-appsgames" class="dac-form-radio-button"></label>
+                      <label for="newsletter-business-type-appsgames" class="dac-form-label" data-t="newsletter.business.both">Apps &amp; Games</label>
+                    </div>
+                  </div>
+                  <div class="col-1of2 newsletter-rightCol newsletter-checkboxes">
+                    <div class="dac-form-radio-group">
+                      <div class="dac-media">
+                        <div class="dac-media-figure">
+                          <input type="checkbox" class="dac-form-checkbox" name="entry.732309842" id="newsletter-add" required value="Add me to the mailing list for the monthly newsletter and occasional emails about development and Google Play opportunities.">
+                          <label for="newsletter-add" class="dac-form-checkbox-button"></label>
+                        </div>
+                        <div class="dac-media-body">
+                          <label for="newsletter-add" class="dac-form-label dac-form-aside"><span data-t="newsletter.confirmMailingList"></span><span class="dac-form-required">*</span></label>
+                        </div>
+                      </div>
+                    </div>
+                    <div class="dac-form-radio-group">
+                      <div class="dac-media">
+                        <div class="dac-media-figure">
+                          <input type="checkbox" class="dac-form-checkbox" name="entry.2045036090" id="newsletter-terms" required value="I acknowledge that the information provided in this form will be subject to Google's privacy policy (https://www.google.com/policies/privacy/).">
+                          <label for="newsletter-terms" class="dac-form-checkbox-button"></label>
+                        </div>
+                        <div class="dac-media-body">
+                          <label for="newsletter-terms" class="dac-form-label dac-form-aside"><span data-t="newsletter.privacyPolicy" data-t-html></span><span class="dac-form-required">*</span></label>
+                        </div>
+                      </div>
+                    </div>
+                  </div>
+                </div>
+              </fieldset>
+            </section>
+            <footer class="dac-modal-footer">
+              <div class="cols">
+                <div class="col-2of5">
+                </div>
+              </div>
+              <button type="submit" value="Submit" class="dac-fab dac-primary dac-large dac-modal-action"><i class="dac-sprite dac-arrow-right"></i></button>
+            </footer>
+          </form>
+        </section>
+        <section class="dac-swap-section dac-right">
+          <div class="dac-modal-content">
+            <p class="newsletter-success-message" data-t="newsletter.successDetails"></p>
+          </div>
+        </section>
+      </div>
+    </div>
   </div>
-<?cs elif:!hide_license_footer ?>
-  <div id="copyright">
-    <?cs call:custom_cc_copyright() ?>
+</div>
+<!-- end newsletter modal -->
+
+<!-- start reset language header modal -->
+<div data-modal="langform" class="dac-modal" id="langform">
+  <div class="dac-modal-container">
+    <div class="dac-modal-window">
+      <header class="dac-modal-header">
+        <div class="dac-modal-header-actions">
+          <button class="dac-modal-header-close" data-modal-toggle></button>
+        </div>
+        <section class="dac-swap-section dac-active dac-down">
+          <h2 class="norule dac-modal-header-title"></h2>
+        </section>
+      </header>
+      <section class="dac-swap-section dac-active dac-left">
+          <section class="dac-modal-content">
+            <fieldset class="dac-form-fieldset">
+              <div class="cols">
+                <div class="col-2of2 langform-leftCol">
+                  <p id="resetLangText"></p>
+                  <p id="resetLangCta"></p>
+                </div>
+              </div>
+            </fieldset>
+          </section>
+          <footer class="dac-modal-footer" id="langfooter">
+            <div class="cols">
+              <div class="col-2of5">
+              </div>
+            </div>
+              <button class="button dac-primary dac-modal-action lang yes" data-t="newsletter.resetLangButtonYes" data-modal-toggle></button>
+              <button class="button dac-primary dac-modal-action lang no" data-t="newsletter.resetLangButtonNo" data-modal-toggle></button>
+            </a>
+          </footer>
+        </form>
+      </section>
+    </div>
   </div>
-<?cs /if ?>
-<?cs if:!no_footer_links ?>
-  <div id="footerlinks">
-    <?cs call:custom_footerlinks() ?>
-  </div>
-<?cs /if ?>
-</div> <!-- end footer -->
\ No newline at end of file
+</div>
+<!-- end langreset modal -->
diff --git a/tools/droiddoc/templates-sdk/head_tag.cs b/tools/droiddoc/templates-sdk/head_tag.cs
index 9f79f5479..dd67aa583 100644
--- a/tools/droiddoc/templates-sdk/head_tag.cs
+++ b/tools/droiddoc/templates-sdk/head_tag.cs
@@ -1,34 +1,187 @@
 <head>
-<?cs
-  ####### If building devsite, add some meta data needed for when generating the top nav ######### ?>
-<?cs
-  if:devsite ?><?cs
-    if:guide||develop||training||reference||tools||sdk||google||samples
-      ?><meta name="top_category" value="develop" /><?cs
-    elif:google
-      ?><meta name="top_category" value="google" /><?cs
-    elif:reference && !(reference.gms || reference.gcm)
-      ?><meta name="top_category" value="css-fullscreen" /><?cs
-    /if ?>
-  <?cs
-  /if
-?><?cs
-  # END if/else devsite ?>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<meta name="viewport" content="width=<?cs
-  if:page.viewport_width ?><?cs
-    var:page.viewport_width ?><?cs
-  else ?>device-width<?cs /if ?>" />
-<?cs
-  if:page.metaDescription ?>
-<meta name="Description" content="<?cs var:page.metaDescription ?>"><?cs
-  /if ?>
-<link rel="shortcut icon" type="image/x-icon" href="<?cs var:toroot ?>favicon.ico" />
-<title><?cs
+  <title><?cs
+if:devsite ?><?cs
+  if:page.title ?><?cs
+    var:html_strip(page.title) ?><?cs
+  else ?>Android Developers<?cs
+  /if ?><?cs
+else ?><?cs
   if:page.title ?><?cs
     var:page.title ?> | <?cs
-  /if ?>Android Developers</title>
+  /if ?>Android Developers
+<?cs /if ?><?cs
+# END if/else devsite ?></title><?cs
+  ####### If building devsite, add some meta data needed for when generating the top nav ######### ?><?cs
+if:devsite ?>
+  <meta name="top_category" value="<?cs
+      if:ndk ?>ndk<?cs
+      elif:(guide||develop||training||reference||tools||sdk||google||reference.gms||reference.gcm||samples) ?>develop<?cs
+      elif:(topic||libraries||instantapps||perf||arc) ?>develop<?cs
+      elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories||analyze) ?>distribute<?cs
+      elif:(design||vision||material||patterns||devices||designdownloads) ?>design<?cs
+      elif:(about||versions||wear||tv||auto) ?>about<?cs
+      elif:wearpreview ?>about<?cs
+      elif:work ?>about<?cs
+      elif:preview ?>preview<?cs
+      else ?>none<?cs
+      /if ?>" /><?cs set:dac_subcategory_set = #1 ?>
+  <meta name="subcategory" value="<?cs
+      if:ndk ?><?cs
+        if:guide ?>guide<?cs
+        elif:samples ?>samples<?cs
+          if:(samplesDocPage&&!samplesProjectIndex) ?> samples-docpage<?cs /if ?><?cs
+        elif:reference ?>reference<?cs
+        elif:downloads ?>downloads<?cs
+        else ?>none<?cs set:dac_subcategory_set = #0 ?><?cs /if ?><?cs
+      else ?><?cs
+        if:(guide||develop||training||reference||tools||sdk||samples) ?><?cs
+          if:guide ?>guide<?cs
+          elif:training ?><?cs
+            if:page.trainingcourse ?>trainingcourse<?cs
+            else ?>training<?cs /if ?><?cs
+          elif:reference ?>reference<?cs
+          elif:samples ?>samples<?cs
+            if:(samplesDocPage&&!samplesProjectIndex) ?> samples-docpage<?cs /if ?><?cs
+          else ?>none<?cs set:dac_subcategory_set = #0 ?><?cs /if ?><?cs
+        elif:(google||reference.gms||reference.gcm) ?>google<?cs
+        elif:(topic||libraries||perf||arc) ?><?cs
+          if:libraries ?>libraries<?cs
+          elif:instantapps ?>instantapps<?cs
+          elif:perf ?>perf<?cs
+          elif:arc ?>arc<?cs
+          else ?>none<?cs set:dac_subcategory_set = #0 ?><?cs /if ?><?cs
+        elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories||analyze) ?><?cs
+          if:googleplay ?>googleplay<?cs
+          elif:essentials ?>essentials<?cs
+          elif:users ?>users<?cs
+          elif:engage ?>engage<?cs
+          elif:monetize ?>monetize<?cs
+          elif:disttools ?>disttools<?cs
+          elif:stories ?>stories<?cs
+          elif:analyze ?>analyze<?cs
+          else ?>none<?cs set:dac_subcategory_set = #0 ?><?cs /if ?><?cs
+        elif:(about||versions||wear||tv||auto) ?>about<?cs
+        elif:preview ?>preview<?cs
+        elif:wearpreview ?>wear<?cs
+        elif:work ?>work<?cs
+        elif:design ?>design<?cs
+        elif:walkthru ?>walkthru<?cs
+        else ?>none<?cs set:dac_subcategory_set = #0 ?><?cs /if ?><?cs
+      /if ?>" /><?cs
+      if:nonavpage ?>
+  <meta name="hide_toc" value='True' /><?cs
+      elif: !nonavpage && dac_subcategory_set && !tools && !sdk ?>
+  <meta name="book_path" value="<?cs
+        if:ndk ?>/ndk<?cs
+          if:guide ?>/guides<?cs
+          elif:samples ?>/samples<?cs
+          elif:reference ?>/reference<?cs
+          elif:downloads ?>/downloads<?cs /if ?><?cs
+        else ?><?cs
+          if:(guide||develop||training||reference||tools||sdk||samples) ?><?cs
+            if:guide ?>/guide<?cs
+            elif:training ?>/training<?cs
+            elif:reference ?>/reference<?cs
+            elif:samples ?>/samples<?cs /if ?><?cs
+          elif:(google||reference.gms||reference.gcm) ?>/google<?cs
+          elif:(topic||libraries||perf) ?>/topic<?cs
+            if:libraries ?>/libraries<?cs
+            elif:instantapps ?>/instant-apps<?cs
+            elif:perf ?>/performance<?cs
+            elif:arc ?>/arc<?cs /if ?><?cs
+          elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories||analyze) ?>/distribute<?cs
+            if:googleplay ?>/googleplay<?cs
+            elif:essentials ?>/essentials<?cs
+            elif:users ?>/users<?cs
+            elif:engage ?>/engage<?cs
+            elif:monetize ?>/monetize<?cs
+            elif:disttools ?>/tools<?cs
+            elif:stories ?>/stories<?cs
+            elif:analyze ?>/analyze<?cs /if ?><?cs
+          elif:(about||versions||wear||tv||auto) ?>/about<?cs
+          elif:preview ?>/preview<?cs
+          elif:wearpreview ?>/wear/preview<?cs
+          elif:work ?>/work<?cs
+          elif:design ?>/design<?cs
+          elif:reference.testSupport ?>/reference/android/support/test<?cs
+          elif:reference.wearableSupport ?>/reference/android/support/wearable<?cs
+          elif:walkthru ?>/walkthru<?cs /if ?><?cs
+        /if ?>/_book.yaml" /><?cs
+        /if ?>
+  <meta name="project_path" value="<?cs
+      if:(guide||develop||training||reference||tools||sdk||samples) ?><?cs
+        if:guide ?>/guide<?cs
+        elif:training ?>/training<?cs
+        elif:reference ?>/reference<?cs
+        elif:samples ?>/samples<?cs /if ?><?cs
+      elif:(google||reference.gms||reference.gcm) ?>/google<?cs
+      elif:(topic||libraries) ?>/develop<?cs
+      elif:(distribute||googleplay||essentials||users||engage||monetize||disttools||stories||analyze) ?>/distribute<?cs
+        if:googleplay ?>/googleplay<?cs
+        elif:essentials ?>/essentials<?cs
+        elif:users ?>/users<?cs
+        elif:engage ?>/engage<?cs
+        elif:monetize ?>/monetize<?cs
+        elif:disttools ?>/tools<?cs
+        elif:stories ?>/stories<?cs
+        elif:analyze ?>/analyze<?cs
+        else ?><?cs /if ?><?cs
+      elif:(about||versions||wear||tv||auto) ?><?cs
+        if:versions ?>/about/versions<?cs
+        elif:wear ?>/wear<?cs
+        elif:tv ?>/tv<?cs
+        elif:auto ?>/auto<?cs
+        else ?>/about<?cs /if ?><?cs
+      elif:wearpreview ?>/wear/preview<?cs
+      elif:work ?>/work<?cs
+      elif:preview ?>/preview<?cs
+      elif:design ?>/design<?cs /if ?>/_project.yaml" /><?cs
 
+      if:page.tags && page.tags != "" ?>
+  <meta name="keywords" value='<?cs var:page.tags ?>' /><?cs
+      /if ?><?cs
+      if:meta.tags && meta.tags != "" ?>
+  <meta name="meta_tags" value='<?cs var:meta.tags ?>' /><?cs
+      /if ?><?cs
+      if:fullpage ?>
+  <meta name="full_width" value="True" /><?cs
+      /if ?><?cs
+      if:page.landing ?>
+  <meta name="page_type" value="landing" /><?cs
+      /if ?><?cs
+      if:page.article ?>
+  <meta name="page_type" value="article" /><?cs
+      /if ?><?cs
+      if:page.image ?>
+  <meta name="image_path" value='<?cs var:page.image ?>' /><?cs
+      /if ?><?cs
+      if:excludeFromSuggestions ?>
+  <meta name="hide_from_search_suggest" value="true" /><?cs
+      /if ?><?cs
+/if ?><?cs # END if/else devsite ?><?cs
+
+  if:!devsite ?>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" />
+<meta content="IE=edge" http-equiv="X-UA-Compatible">
+<link rel="shortcut icon" type="image/x-icon" href="<?cs var:toroot ?>favicon.ico" />
+<link rel="alternate" href="http://developer.android.com/<?cs var:path.canonical ?>" hreflang="en" />
+<link rel="alternate" href="http://developer.android.com/intl/es/<?cs var:path.canonical ?>" hreflang="es" />
+<link rel="alternate" href="http://developer.android.com/intl/id/<?cs var:path.canonical ?>" hreflang="id" />
+<link rel="alternate" href="http://developer.android.com/intl/ja/<?cs var:path.canonical ?>" hreflang="ja" />
+<link rel="alternate" href="http://developer.android.com/intl/ko/<?cs var:path.canonical ?>" hreflang="ko" />
+<link rel="alternate" href="http://developer.android.com/intl/pt-br/<?cs var:path.canonical ?>" hreflang="pt-br" />
+<link rel="alternate" href="http://developer.android.com/intl/ru/<?cs var:path.canonical ?>" hreflang="ru" />
+<link rel="alternate" href="http://developer.android.com/intl/vi/<?cs var:path.canonical ?>" hreflang="vi" />
+<link rel="alternate" href="http://developer.android.com/intl/zh-cn/<?cs var:path.canonical ?>" hreflang="zh-cn" />
+<link rel="alternate" href="http://developer.android.com/intl/zh-tw/<?cs var:path.canonical ?>" hreflang="zh-tw" />
+<?cs /if ?><?cs
+# END if/else !devsite ?><?cs
+
+      if:page.metaDescription ?>
+  <meta name="description" content="<?cs var:page.metaDescription ?>"><?cs
+      /if ?><?cs
+  if:!devsite ?>
 <!-- STYLESHEETS -->
 <link rel="stylesheet"
 href="<?cs
@@ -38,22 +191,16 @@
 if:android.whichdoc != 'online' ?>http:<?cs
 /if ?>//fonts.googleapis.com/css?family=Roboto:light,regular,medium,thin,italic,mediumitalic,bold"
   title="roboto">
-<link href="<?cs var:toroot ?>assets/css/default.css?v=5" rel="stylesheet" type="text/css">
-
-<?cs if:reference && !(reference.gms || reference.gcm || preview) ?>
-<!-- FULLSCREEN STYLESHEET -->
-<link href="<?cs var:toroot ?>assets/css/fullscreen.css" rel="stylesheet" class="fullscreen"
-type="text/css">
-<?cs /if ?>
+<?cs
+  if:ndk ?><link rel="stylesheet" href="<?cs
+  if:android.whichdoc != 'online' ?>http:<?cs
+  /if ?>//fonts.googleapis.com/css?family=Roboto+Mono:400,500,700" title="roboto-mono" type="text/css"><?cs
+/if ?>
+<link href="<?cs var:toroot ?>assets/css/default.css?v=16" rel="stylesheet" type="text/css">
 
 <!-- JAVASCRIPT -->
 <script src="<?cs if:android.whichdoc != 'online' ?>http:<?cs /if ?>//www.google.com/jsapi" type="text/javascript"></script>
-<?cs
-if:devsite
-  ?><script src="<?cs var:toroot ?>_static/js/android_3p-bundle.js" type="text/javascript"></script><?cs
-else
-  ?><script src="<?cs var:toroot ?>assets/js/android_3p-bundle.js" type="text/javascript"></script><?cs
-/if ?><?cs
+<script src="<?cs var:toroot ?>assets/js/android_3p-bundle.js" type="text/javascript"></script><?cs
   if:page.customHeadTag ?>
 <?cs var:page.customHeadTag ?><?cs
   /if ?>
@@ -61,15 +208,9 @@
   var toRoot = "<?cs var:toroot ?>";
   var metaTags = [<?cs var:meta.tags ?>];
   var devsite = <?cs if:devsite ?>true<?cs else ?>false<?cs /if ?>;
+  var useUpdatedTemplates = <?cs if:useUpdatedTemplates ?>true<?cs else ?>false<?cs /if ?>;
 </script>
-<script src="<?cs var:toroot ?>assets/js/docs.js?v=3" type="text/javascript"></script>
-
-<?cs if:helpoutsWidget ?>
-<script type="text/javascript" src="https://helpouts.google.com/ps/res/embed.js" defer async
-    data-helpouts-embed data-helpouts-vertical="programming"
-    data-helpouts-tags="<?cs var:page.tags ?>" data-helpouts-prefix="android"
-    data-helpouts-standalone="true"></script>
-<?cs /if ?>
+<script src="<?cs var:toroot ?>assets/js/docs.js?v=17" type="text/javascript"></script>
 
 <script>
   (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
@@ -81,6 +222,6 @@
   ga('create', 'UA-49880327-2', 'android.com', {'name': 'universal'});  // New tracker);
   ga('send', 'pageview');
   ga('universal.send', 'pageview'); // Send page view for new tracker.
-</script>
-
+</script><?cs /if ?><?cs
+# END if/else !devsite ?>
 </head>
diff --git a/tools/droiddoc/templates-sdk/header.cs b/tools/droiddoc/templates-sdk/header.cs
index e8301bed9..a9273937f 100644
--- a/tools/droiddoc/templates-sdk/header.cs
+++ b/tools/droiddoc/templates-sdk/header.cs
@@ -1,3 +1,11 @@
-<?cs call:custom_masthead() ?>
-<?cs call:custom_left_nav() ?>
+<?cs if:!devsite ?><?cs # leave out the global header for devsite; it is in devsite template ?>
+  <?cs call:custom_masthead() ?>
 
+  <?cs if:(fullpage) ?>
+    <?cs call:fullpage() ?>
+  <?cs else ?>
+    <?cs call:body_content_wrap_start() ?>
+  <?cs /if ?>
+
+  <?cs call:search_results() ?>
+<?cs /if ?><?cs # end if/else !devsite ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/jd_lists_unified.cs b/tools/droiddoc/templates-sdk/jd_lists_unified.cs
index 417a5c1b2..03141b0cb 100644
--- a/tools/droiddoc/templates-sdk/jd_lists_unified.cs
+++ b/tools/droiddoc/templates-sdk/jd_lists_unified.cs
@@ -1 +1,16 @@
+<?cs # generate metadata file for samples only ?><?cs
+if:samples_only ?>METADATA['<?cs var:metadata.lang ?>'].develop = METADATA['<?cs var:metadata.lang ?>'].develop.concat([
 <?cs var:reference_tree ?>
+]);
+<?cs # generate standard unified metadata file ?><?cs
+else ?>window.METADATA = window.METADATA || {};
+METADATA['<?cs var:metadata.lang ?>'] = {};
+
+METADATA['<?cs var:metadata.lang ?>'].about = [];
+METADATA['<?cs var:metadata.lang ?>'].design = [];
+METADATA['<?cs var:metadata.lang ?>'].develop = [];
+METADATA['<?cs var:metadata.lang ?>'].distribute = [];
+METADATA['<?cs var:metadata.lang ?>'].extras = [];
+
+<?cs var:reference_tree ?>
+<?cs /if ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/lists.cs b/tools/droiddoc/templates-sdk/lists.cs
new file mode 100644
index 000000000..f08abba55
--- /dev/null
+++ b/tools/droiddoc/templates-sdk/lists.cs
@@ -0,0 +1,9 @@
+var <?cs
+  if:reference.testSupport ?>SUPPORT_TEST_<?cs
+  elif: reference.wearableSupport ?>SUPPORT_WEARABLE_<?cs
+  elif: reference.constraintSupport ?>CONSTRAINT_<?cs
+  /if ?>DATA = [
+<?cs each:page = docs.pages
+?>      { id:<?cs var: page.id ?>, label:"<?cs var:page.label ?>", link:"<?cs var:page.link ?>", type:"<?cs var:page.type ?>", deprecated:"<?cs var:page.deprecated ?>" }<?cs if:!last(page) ?>,<?cs /if ?>
+<?cs /each ?>
+    ];
diff --git a/tools/droiddoc/templates-sdk/macros_override.cs b/tools/droiddoc/templates-sdk/macros_override.cs
index 0a945986e..5b92fe3d1 100644
--- a/tools/droiddoc/templates-sdk/macros_override.cs
+++ b/tools/droiddoc/templates-sdk/macros_override.cs
@@ -33,4 +33,19 @@
       <?cs set:count = count + #1 ?>
     <?cs /each ?>
   </table>
-<?cs /def ?>
\ No newline at end of file
+<?cs /def ?>
+
+<?cs
+# Prints a comma separated list of parameters with optional line breaks
+?><?cs
+def:parameter_list(params, linebreaks) ?><?cs
+  each:param = params ?><?cs
+      call:simple_type_link(param.type)?> <?cs
+      var:param.name ?><?cs
+      if: name(param)!=subcount(params)-1
+        ?>, <?cs if:linebreaks
+?>
+                <?cs /if ?><?cs
+      /if ?><?cs
+  /each ?><?cs
+/def ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/nosidenavpage.cs b/tools/droiddoc/templates-sdk/nosidenavpage.cs
index 8e5969361..61754f05b 100644
--- a/tools/droiddoc/templates-sdk/nosidenavpage.cs
+++ b/tools/droiddoc/templates-sdk/nosidenavpage.cs
@@ -11,6 +11,7 @@
 <?cs call:custom_masthead() ?>
 
 <div id="body-content">
+<div>
 <div id="doc-content" style="position:relative;">
 
 <?cs call:tag_list(root.descr) ?>
diff --git a/tools/droiddoc/templates-sdk/package.cs b/tools/droiddoc/templates-sdk/package.cs
index 22255650b..d3efdda55 100644
--- a/tools/droiddoc/templates-sdk/package.cs
+++ b/tools/droiddoc/templates-sdk/package.cs
@@ -1,50 +1,25 @@
-<?cs include:"doctype.cs" ?>
+<?cs # THIS CREATES A PACKAGE SUMMARY PAGE FROM EACH package.html FILES
+     # AND NAMES IT package-summary.html ?>
 <?cs include:"macros.cs" ?>
 <?cs include:"macros_override.cs" ?>
+<?cs include:"doctype.cs" ?>
 <html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
-
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-    if:reference ?> reference<?cs
-    /if ?><?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>">
-  <div id="doc-api-level" class="<?cs var:package.since ?>" style="display:none"></div>
-  <a name="top"></a>
+<?cs include:"body_tag.cs" ?>
 <?cs include:"header.cs" ?>
+<?cs include:"page_info.cs" ?>
+<div class="api apilevel-<?cs var:package.since ?>" id="jd-content">
 
-<div class="col-12" id="doc-col">
-
-<div id="api-info-block">
-<div class="api-level">
-  <?cs call:since_tags(package) ?>
-  <?cs call:federated_refs(package) ?>
-</div>
-</div>
-
-<div id="jd-header">
-  package
-  <h1><?cs var:package.name ?></h1>
-</div><!-- end header -->
-
-<div id="naMessage"></div>
-
-<div id="jd-content" class="api apilevel-<?cs var:package.since ?>">
+<h1><?cs var:package.name ?></h1>
 
 <?cs if:subcount(package.descr) ?>
-  <div class="jd-descr">
-    <?cs call:tag_list(package.descr) ?>
-  </div>
+  <?cs call:tag_list(package.descr) ?>
 <?cs /if ?>
 
 <?cs def:class_table(label, classes) ?>
   <?cs if:subcount(classes) ?>
     <h2><?cs var:label ?></h2>
-    <div class="jd-sumtable">
     <?cs call:class_link_table(classes) ?>
-    </div>
   <?cs /if ?>
 <?cs /def ?>
 
@@ -55,11 +30,35 @@
 <?cs call:class_table("Exceptions", package.exceptions) ?>
 <?cs call:class_table("Errors", package.errors) ?>
 
-<?cs include:"footer.cs" ?>
-</div><!-- end jd-content -->
-</div><!-- doc-content -->
+</div><!-- end apilevel -->
 
-<?cs include:"trailer.cs" ?>
+<?cs if:devsite ?>
+<div class="data-reference-resources-wrapper">
+  <?cs if:subcount(class.package) ?>
+  <ul data-reference-resources>
+    <?cs call:list("Annotations", class.package.annotations) ?>
+    <?cs call:list("Interfaces", class.package.interfaces) ?>
+    <?cs call:list("Classes", class.package.classes) ?>
+    <?cs call:list("Enums", class.package.enums) ?>
+    <?cs call:list("Exceptions", class.package.exceptions) ?>
+    <?cs call:list("Errors", class.package.errors) ?>
+  </ul>
+  <?cs elif:subcount(package) ?>
+  <ul data-reference-resources>
+    <?cs call:class_link_list("Annotations", package.annotations) ?>
+    <?cs call:class_link_list("Interfaces", package.interfaces) ?>
+    <?cs call:class_link_list("Classes", package.classes) ?>
+    <?cs call:class_link_list("Enums", package.enums) ?>
+    <?cs call:class_link_list("Exceptions", package.exceptions) ?>
+    <?cs call:class_link_list("Errors", package.errors) ?>
+  </ul>
+  <?cs /if ?>
+</div>
+<?cs /if ?>
 
+<?cs if:!devsite ?>
+<?cs include:"footer.cs" ?>
+<?cs include:"trailer.cs" ?>
+<?cs /if ?>
 </body>
 </html>
diff --git a/tools/droiddoc/templates-sdk/packages.cs b/tools/droiddoc/templates-sdk/packages.cs
index 5056d3a5d..3fcfb8188 100644
--- a/tools/droiddoc/templates-sdk/packages.cs
+++ b/tools/droiddoc/templates-sdk/packages.cs
@@ -1,33 +1,19 @@
-<?cs include:"doctype.cs" ?>
+<?cs # THIS CREATES A LIST OF ALL PACKAGES AND NAMES IT packages.html ?>
 <?cs include:"macros.cs" ?>
+<?cs include:"doctype.cs" ?>
 <html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
-<body class="gc-documentation <?cs if:(reference.gms || reference.gcm) ?>google<?cs /if ?>
-  <?cs if:(guide||develop||training||reference||tools||sdk) ?>develop<?cs
-    if:reference ?> reference<?cs
-    /if ?><?cs
-  elif:design ?>design<?cs
-  elif:distribute ?>distribute<?cs
-  /if ?>">
-  <a name="top"></a>
+<?cs include:"body_tag.cs" ?>
 <?cs include:"header.cs" ?>
 
-<div class="col-12" id="doc-col">
-
-<div id="jd-header">
 <h1><?cs var:page.title ?></h1>
-</div>
-
-<div id="jd-content">
-
-<div class="jd-descr">
-<p><?cs call:tag_list(root.descr) ?></p>
-</div>
+<p>These are the API packages.
+See all <a href="classes.html">API classes</a>.</p>
 
 <?cs set:count = #1 ?>
-<table class="jd-sumtable">
+<table>
 <?cs each:pkg = docs.packages ?>
-    <tr class="<?cs if:count % #2 ?>alt-color<?cs /if ?> api apilevel-<?cs var:pkg.since ?>" >
+    <tr class="api apilevel-<?cs var:pkg.since ?>" >
         <td class="jd-linkcol"><?cs call:package_link(pkg) ?></td>
         <td class="jd-descrcol" width="100%"><?cs call:tag_list(pkg.shortDescr) ?></td>
     </tr>
@@ -35,11 +21,33 @@
 <?cs /each ?>
 </table>
 
-<?cs include:"footer.cs" ?>
-</div><!-- end jd-content -->
-</div> <!-- end doc-content -->
+<?cs if:devsite ?>
+<div class="data-reference-resources-wrapper">
+  <?cs if:subcount(class.package) ?>
+  <ul data-reference-resources>
+    <?cs call:list("Annotations", class.package.annotations) ?>
+    <?cs call:list("Interfaces", class.package.interfaces) ?>
+    <?cs call:list("Classes", class.package.classes) ?>
+    <?cs call:list("Enums", class.package.enums) ?>
+    <?cs call:list("Exceptions", class.package.exceptions) ?>
+    <?cs call:list("Errors", class.package.errors) ?>
+  </ul>
+  <?cs elif:subcount(package) ?>
+  <ul data-reference-resources>
+    <?cs call:class_link_list("Annotations", package.annotations) ?>
+    <?cs call:class_link_list("Interfaces", package.interfaces) ?>
+    <?cs call:class_link_list("Classes", package.classes) ?>
+    <?cs call:class_link_list("Enums", package.enums) ?>
+    <?cs call:class_link_list("Exceptions", package.exceptions) ?>
+    <?cs call:class_link_list("Errors", package.errors) ?>
+  </ul>
+  <?cs /if ?>
+</div>
+<?cs /if ?>
 
+<?cs if:!devsite ?>
+<?cs include:"footer.cs" ?>
 <?cs include:"trailer.cs" ?>
-
+<?cs /if ?>
 </body>
 </html>
diff --git a/tools/droiddoc/templates-sdk/page_info.cs b/tools/droiddoc/templates-sdk/page_info.cs
new file mode 100644
index 000000000..fad127419
--- /dev/null
+++ b/tools/droiddoc/templates-sdk/page_info.cs
@@ -0,0 +1,109 @@
+<?cs # optional, more info about the page, such as API level and links ?>
+<?cs
+# A modal dialog when API level is set too low for this page
+?><div id="naMessage"></div>
+<?cs
+#
+# If this is a package summary page...
+#
+?><?cs
+if:subcount(package)
+?>
+<div id="api-info-block">
+<div class="api-level">
+  <?cs call:since_tags(package) ?>
+  <?cs call:federated_refs(package) ?>
+</div>
+</div><?cs
+#
+# Or if this is a class page...
+#
+?><?cs
+elif:subcount(class)
+?>
+<div id="api-info-block">
+<div class="api-level">
+  <?cs call:since_tags(class) ?><?cs
+  if:class.deprecatedsince
+    ?><br>Deprecated since <a href="<?cs var:toroot ?>guide/topics/manifest/uses-sdk-element.html#ApiLevels"
+        >API level <?cs var:class.deprecatedsince ?></a><?cs
+  /if ?>
+  <?cs call:federated_refs(class) ?>
+</div>
+
+<?cs # Set variables about whether there are inherited members; no output ?>
+<?cs each:cl=class.inherited ?>
+  <?cs if:subcount(cl.methods) ?>
+   <?cs set:inhmethods = #1 ?>
+  <?cs /if ?>
+  <?cs if:subcount(cl.constants) ?>
+   <?cs set:inhconstants = #1 ?>
+  <?cs /if ?>
+  <?cs if:subcount(cl.fields) ?>
+   <?cs set:inhfields = #1 ?>
+  <?cs /if ?>
+  <?cs if:subcount(cl.attrs) ?>
+   <?cs set:inhattrs = #1 ?>
+  <?cs /if ?>
+<?cs /each ?>
+
+<div class="sum-details-links">
+<?cs if:inhattrs || inhconstants || inhfields || inhmethods || (!class.subclasses.hidden &&
+     (subcount(class.subclasses.direct) || subcount(class.subclasses.indirect))) ?>
+Summary:
+<?cs if:subcount(class.inners) ?>
+  <a href="#nestedclasses">Nested Classes</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.attrs) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#lattrs">XML Attrs</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:inhattrs ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhattrs">Inherited XML Attrs</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.enumConstants) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#enumconstants">Enums</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.constants) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#constants">Constants</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:inhconstants ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhconstants">Inherited Constants</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.fields) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#lfields">Fields</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:inhfields ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhfields">Inherited Fields</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.ctors.public) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#pubctors">Ctors</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.ctors.protected) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#proctors">Protected Ctors</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.methods.public) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#pubmethods">Methods</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:subcount(class.methods.protected) ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#promethods">Protected Methods</a>
+  <?cs set:linkcount = #1 ?>
+<?cs /if ?>
+<?cs if:inhmethods ?>
+  <?cs if:linkcount ?>&#124; <?cs /if ?><a href="#inhmethods">Inherited Methods</a>
+<?cs /if ?>
+&#124; <a href="#" onclick="return toggleAllClassInherited()" id="toggleAllClassInherited">[Expand All]</a>
+<?cs /if ?>
+</div><!-- end sum-details-links -->
+</div><!-- end api-info-block --><?cs
+/if ?><?cs # end of if package or class ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/sample.cs b/tools/droiddoc/templates-sdk/sample.cs
index 32a0788ef..2c5b9d2de 100644
--- a/tools/droiddoc/templates-sdk/sample.cs
+++ b/tools/droiddoc/templates-sdk/sample.cs
@@ -5,11 +5,6 @@
 <body class="gc-documentation develop samples" itemscope itemtype="http://schema.org/Article">
 <?cs include:"header.cs" ?>
 
-<div <?cs if:fullpage
-?>class="fullpage"<?cs elif:design||tools||about||sdk||distribute
-?>class="col-13" id="doc-col"<?cs else
-?>class="col-12" id="doc-col"<?cs /if ?> >
-
 <!-- start breadcrumb block -->
 <div id="api-info-block">
   <div class="sum-details-links">
@@ -30,7 +25,7 @@
 <div id="pathCrumb">
 <?cs each:item = parentdirs ?>
   <?cs if:LinkifyPathCrumb
-    ?><a href="<?cs var:toroot ?><?cs var:item.Link ?>"><?cs var:item.Name ?></a> / 
+    ?><a href="<?cs var:toroot ?><?cs var:item.Link ?>"><?cs var:item.Name ?></a> /
   <?cs else
     ?><?cs var:item.Name ?> / <?cs /if ?>
 <?cs /each ?>
@@ -92,9 +87,9 @@
 
       <div class="content-footer <?cs
                     if:fullpage ?>wrap<?cs
-                    else ?>layout-content-row<?cs /if ?>"
+                    else ?>cols<?cs /if ?>"
                     itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <div class="layout-content-col <?cs
+        <div class="<?cs
                     if:fullpage ?>col-16<?cs
                     elif:training||guide ?>col-8<?cs
                     else ?>col-9<?cs /if ?>" style="padding-top:4px">
@@ -103,7 +98,7 @@
           <?cs /if ?>
         </div>
         <?cs if:!fullscreen ?>
-        <div class="paging-links layout-content-col col-4">
+        <div class="paging-links col-4">
           <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
             <a href="#" class="prev-page-link hide"
                 zh-tw-lang="上一堂課"
@@ -128,24 +123,17 @@
 
       <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
       <?cs if:training && !page.article ?>
-      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div class="content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
           <a href="#" class="next-class-link hide">Next class: </a>
       </div>
       <?cs /if ?>
 
   </div> <!-- end jd-content -->
 
-<?cs include:"footer.cs" ?>
-</div><!-- end doc-content -->
-
-<?cs include:"trailer.cs" ?>
+  <?cs if:!devsite ?>
+  <?cs include:"footer.cs" ?>
+  <?cs include:"trailer.cs" ?>
+  <?cs /if ?>
 
 </body>
 </html>
-
-
-
-
-
-
-
diff --git a/tools/droiddoc/templates-sdk/sampleindex.cs b/tools/droiddoc/templates-sdk/sampleindex.cs
index 1bacb53ad..db648ff2a 100644
--- a/tools/droiddoc/templates-sdk/sampleindex.cs
+++ b/tools/droiddoc/templates-sdk/sampleindex.cs
@@ -5,11 +5,6 @@
 <body class="gc-documentation develop samples" itemscope itemtype="http://schema.org/Article">
 <?cs include:"header.cs" ?>
 
-<div <?cs if:fullpage
-?>class="fullpage"<?cs elif:design||tools||about||sdk||distribute
-?>class="col-13" id="doc-col"<?cs else 
-?>class="col-12" id="doc-col"<?cs /if ?> >
-
 <!-- start breadcrumb block -->
 <div id="api-info-block">
 <div class="sum-details-links">
@@ -82,9 +77,9 @@
 <?cs /if ?><?cs # end if/else online docs ?>
       <div class="content-footer <?cs
                     if:fullpage ?>wrap<?cs
-                    else ?>layout-content-row<?cs /if ?>"
+                    else ?>cols<?cs /if ?>"
                     itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <div class="layout-content-col <?cs
+        <div class="<?cs
                     if:fullpage ?>col-16<?cs
                     elif:training||guide ?>col-8<?cs
                     else ?>col-9<?cs /if ?>" style="padding-top:4px">
@@ -93,7 +88,7 @@
           <?cs /if ?>
         </div>
         <?cs if:!fullscreen ?>
-        <div class="paging-links layout-content-col col-4">
+        <div class="paging-links col-4">
           <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
             <a href="#" class="prev-page-link hide"
                 zh-tw-lang="上一堂課"
@@ -118,7 +113,7 @@
 
       <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
       <?cs if:training && !page.article ?>
-      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div class="content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
           <a href="#" class="next-class-link hide">Next class: </a>
       </div>
       <?cs /if ?>
@@ -126,7 +121,6 @@
   </div> <!-- end jd-content -->
 
 <?cs include:"footer.cs" ?>
-</div><!-- end doc-content -->
 
 <?cs include:"trailer.cs" ?>
 
diff --git a/tools/droiddoc/templates-sdk/samples_navtree_data.cs b/tools/droiddoc/templates-sdk/samples_navtree_data.cs
index 24ac7b77c..b9b42141c 100644
--- a/tools/droiddoc/templates-sdk/samples_navtree_data.cs
+++ b/tools/droiddoc/templates-sdk/samples_navtree_data.cs
@@ -1,3 +1,8 @@
-var SAMPLES_NAVTREE_DATA =
-<?cs var:reference_tree ?>
-;
+toc:
+- title: About the Samples
+  path: /samples/index.html
+
+- title: What's New
+  path: /samples/new/index.html
+
+<?cs var:samples_toc_tree ?>
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/trailer.cs b/tools/droiddoc/templates-sdk/trailer.cs
index 337f8d346..2050475fd 100644
--- a/tools/droiddoc/templates-sdk/trailer.cs
+++ b/tools/droiddoc/templates-sdk/trailer.cs
@@ -1,3 +1,7 @@
+<?cs
+# Other, non-visible things needed at the end of the page,
+# because not every page needs footer content, but does need other stuff
+?>
 </div> <!-- end body-content --> <?cs # normally opened by header.cs ?>
 
 <?cs if:carousel ?>
@@ -18,3 +22,17 @@
 </script>
 <?cs /if ?>
 
+<script src="https://developer.android.com/ytblogger_lists_unified.js" defer></script>
+<script src="/jd_lists_unified_en.js?v=17" defer></script>
+<script src="/reference/lists.js?v=17" defer></script>
+<script src="/reference/gcm_lists.js?v=17" defer></script>
+<script src="/reference/gms_lists.js?v=17" defer></script>
+<script>
+  // Load localized metadata.
+  (function(lang) {
+    if (lang === 'en') { return; }
+
+    // Write it to the document so it gets evaluated before DOMContentReady.
+    document.write('<script src="/jd_lists_unified_' + lang + '.js?v=14" defer></' + 'script>');
+  })(getLangPref())
+</script>
diff --git a/tools/droiddoc/templates-sdk/yaml_navtree.cs b/tools/droiddoc/templates-sdk/yaml_navtree.cs
new file mode 100644
index 000000000..e5a6404ec
--- /dev/null
+++ b/tools/droiddoc/templates-sdk/yaml_navtree.cs
@@ -0,0 +1,14 @@
+<?cs
+
+# print out the yaml nav for the reference docs, only printing the title,
+path, and status_text (API level) for each package.
+
+?>
+reference:<?cs
+each:page = docs.pages?><?cs
+  if:page.type == "package"?>
+- title: <?cs var:page.label ?>
+  path: /<?cs var:page.link ?>
+  status_text: apilevel-<?cs var:page.apilevel ?><?cs
+  /if?><?cs
+/each ?>
diff --git a/tools/fileslist.py b/tools/fileslist.py
index a11efaa8f..b9e73503e 100755
--- a/tools/fileslist.py
+++ b/tools/fileslist.py
@@ -15,12 +15,24 @@
 # limitations under the License.
 #
 
-import operator, os, sys
+import json, hashlib, operator, os, sys
 
 def get_file_size(path):
   st = os.lstat(path)
   return st.st_size;
 
+def get_file_digest(path):
+  if os.path.isfile(path) == False:
+    return "----------------------------------------------------------------"
+  digest = hashlib.sha256()
+  with open(path, 'rb') as f:
+    while True:
+      buf = f.read(1024*1024)
+      if not buf:
+        break
+      digest.update(buf)
+  return digest.hexdigest();
+
 def main(argv):
   output = []
   roots = argv[1:]
@@ -30,16 +42,17 @@ def main(argv):
       relative = dir[base:]
       for f in files:
         try:
-          row = (
-              get_file_size(os.path.sep.join((dir, f))),
-              os.path.sep.join((relative, f)),
-            )
+          path = os.path.sep.join((dir, f))
+          row = {
+              "Size": get_file_size(path),
+              "Name": os.path.sep.join((relative, f)),
+              "SHA256": get_file_digest(path),
+            }
           output.append(row)
         except os.error:
           pass
-  output.sort(key=operator.itemgetter(0), reverse=True)
-  for row in output:
-    print "%12d  %s" % row
+  output.sort(key=operator.itemgetter("Size", "Name"), reverse=True)
+  print json.dumps(output, indent=2, separators=(',',': '))
 
 if __name__ == '__main__':
   main(sys.argv)
diff --git a/tools/fileslist_util.py b/tools/fileslist_util.py
new file mode 100755
index 000000000..ff40d51a0
--- /dev/null
+++ b/tools/fileslist_util.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the 'License');
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an 'AS IS' BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import getopt, json, sys
+
+def PrintFileNames(path):
+  with open(path) as jf:
+    data = json.load(jf)
+  for line in data:
+    print(line["Name"])
+
+def PrintCanonicalList(path):
+  with open(path) as jf:
+    data = json.load(jf)
+  for line in data:
+    print "{0:12d}  {1}".format(line["Size"], line["Name"])
+
+def PrintUsage(name):
+  print("""
+Usage: %s -[nc] json_files_list
+ -n produces list of files only
+ -c produces classic installed-files.txt
+""" % (name))
+
+def main(argv):
+  try:
+    opts, args = getopt.getopt(argv[1:], "nc", "")
+  except getopt.GetoptError, err:
+    print(err)
+    PrintUsage(argv[0])
+    sys.exit(2)
+
+  if len(opts) == 0:
+    print("No conversion option specified")
+    PrintUsage(argv[0])
+    sys.exit(2)
+
+  if len(args) == 0:
+    print("No input file specified")
+    PrintUsage(argv[0])
+    sys.exit(2)
+
+  for o, a in opts:
+    if o == ("-n"):
+      PrintFileNames(args[0])
+      sys.exit()
+    elif o == ("-c"):
+      PrintCanonicalList(args[0])
+      sys.exit()
+    else:
+      assert False, "Unsupported option"
+
+if __name__ == '__main__':
+  main(sys.argv)
diff --git a/tools/fs_config/Android.mk b/tools/fs_config/Android.mk
index 02deabbf7..34a35220f 100644
--- a/tools/fs_config/Android.mk
+++ b/tools/fs_config/Android.mk
@@ -13,11 +13,73 @@
 # limitations under the License.
 
 LOCAL_PATH := $(call my-dir)
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := fs_config.c
 LOCAL_MODULE := fs_config
-LOCAL_STATIC_LIBRARIES := libselinux
-LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_SHARED_LIBRARIES := libcutils libselinux
+LOCAL_CFLAGS := -Werror
+
+include $(BUILD_HOST_EXECUTABLE)
+
+# To Build the custom target binary for the host to generate the fs_config
+# override files. The executable is hard coded to include the
+# $(TARGET_ANDROID_FILESYSTEM_CONFIG_H) file if it exists.
+# Expectations:
+#    device/<vendor>/<device>/android_filesystem_config.h
+#        fills in struct fs_path_config android_device_dirs[] and
+#                 struct fs_path_config android_device_files[]
+#    device/<vendor>/<device>/device.mk
+#        PRODUCT_PACKAGES += fs_config_dirs fs_config_files
 
+# If not specified, check if default one to be found
+ANDROID_FS_CONFIG_H := android_filesystem_config.h
+
+ifneq ($(TARGET_ANDROID_FILESYSTEM_CONFIG_H),)
+ifeq ($(filter %/$(ANDROID_FS_CONFIG_H),$(TARGET_ANDROID_FILESYSTEM_CONFIG_H)),)
+$(error TARGET_ANDROID_FILESYSTEM_CONFIG_H file name must be $(ANDROID_FS_CONFIG_H), \
+ see "$(notdir $(TARGET_ANDROID_FILESYSTEM_CONFIG_H))".)
+endif
+
+my_fs_config_h := $(TARGET_ANDROID_FILESYSTEM_CONFIG_H)
+else ifneq ($(wildcard $(TARGET_DEVICE_DIR)/$(ANDROID_FS_CONFIG_H)),)
+my_fs_config_h := $(TARGET_DEVICE_DIR)/$(ANDROID_FS_CONFIG_H)
+else
+my_fs_config_h := $(LOCAL_PATH)/default/$(ANDROID_FS_CONFIG_H)
+endif
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := fs_config_generate.c
+LOCAL_MODULE := fs_config_generate_$(TARGET_DEVICE)
+LOCAL_SHARED_LIBRARIES := libcutils
+LOCAL_CFLAGS := -Werror -Wno-error=\#warnings
+LOCAL_C_INCLUDES := $(dir $(my_fs_config_h))
 include $(BUILD_HOST_EXECUTABLE)
+fs_config_generate_bin := $(LOCAL_INSTALLED_MODULE)
+
+# Generate the system/etc/fs_config_dirs binary file for the target
+# Add fs_config_dirs to PRODUCT_PACKAGES in the device make file to enable
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := fs_config_dirs
+LOCAL_MODULE_CLASS := ETC
+include $(BUILD_SYSTEM)/base_rules.mk
+$(LOCAL_BUILT_MODULE): $(fs_config_generate_bin)
+	@mkdir -p $(dir $@)
+	$< -D -o $@
+
+# Generate the system/etc/fs_config_files binary file for the target
+# Add fs_config_files to PRODUCT_PACKAGES in the device make file to enable
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := fs_config_files
+LOCAL_MODULE_CLASS := ETC
+include $(BUILD_SYSTEM)/base_rules.mk
+$(LOCAL_BUILT_MODULE): $(fs_config_generate_bin)
+	@mkdir -p $(dir $@)
+	$< -F -o $@
+
+ANDROID_FS_CONFIG_H :=
+my_fs_config_h :=
+fs_config_generate_bin :=
diff --git a/tools/fs_config/default/android_filesystem_config.h b/tools/fs_config/default/android_filesystem_config.h
new file mode 100644
index 000000000..820b04a62
--- /dev/null
+++ b/tools/fs_config/default/android_filesystem_config.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* This file is used to enhance the properties of the filesystem
+** images generated by build tools (mkbootfs and mkyaffs2image) and
+** by the device side of adb.
+*/
+
+/*
+** Resorting to the default file means someone requested fs_config_dirs or
+** fs_config_files in their device configuration without providing an
+** associated header.
+*/
+#warning No device-supplied android_filesystem_config.h, using empty default.
+
+/* Rules for directories.
+** These rules are applied based on "first match", so they
+** should start with the most specific path and work their
+** way up to the root.
+*/
+
+#define NO_ANDROID_FILESYSTEM_CONFIG_DEVICE_DIRS 1 /* opt out of specifying */
+
+/* Rules for files.
+** These rules are applied based on "first match", so they
+** should start with the most specific path and work their
+** way up to the root. Prefixes ending in * denotes wildcard
+** and will allow partial matches.
+*/
+
+#define NO_ANDROID_FILESYSTEM_CONFIG_DEVICE_FILES 1 /* opt out of specifying */
diff --git a/tools/fs_config/fs_config.c b/tools/fs_config/fs_config.c
index f594c1e93..e79795752 100644
--- a/tools/fs_config/fs_config.c
+++ b/tools/fs_config/fs_config.c
@@ -24,7 +24,6 @@
 
 #include <selinux/selinux.h>
 #include <selinux/label.h>
-#include <selinux/android.h>
 
 #include "private/android_filesystem_config.h"
 
@@ -68,16 +67,17 @@ static struct selabel_handle* get_sehnd(const char* context_file) {
 }
 
 static void usage() {
-  fprintf(stderr, "Usage: fs_config [-S context_file] [-C]\n");
+  fprintf(stderr, "Usage: fs_config [-D product_out_path] [-S context_file] [-C]\n");
 }
 
 int main(int argc, char** argv) {
   char buffer[1024];
   const char* context_file = NULL;
+  const char* product_out_path = NULL;
   struct selabel_handle* sehnd = NULL;
   int print_capabilities = 0;
   int opt;
-  while((opt = getopt(argc, argv, "CS:")) != -1) {
+  while((opt = getopt(argc, argv, "CS:D:")) != -1) {
     switch(opt) {
     case 'C':
       print_capabilities = 1;
@@ -85,6 +85,9 @@ int main(int argc, char** argv) {
     case 'S':
       context_file = optarg;
       break;
+    case 'D':
+      product_out_path = optarg;
+      break;
     default:
       usage();
       exit(EXIT_FAILURE);
@@ -115,7 +118,7 @@ int main(int argc, char** argv) {
 
     unsigned uid = 0, gid = 0, mode = 0;
     uint64_t capabilities;
-    fs_config(buffer, is_dir, &uid, &gid, &mode, &capabilities);
+    fs_config(buffer, is_dir, product_out_path, &uid, &gid, &mode, &capabilities);
     printf("%s %d %d %o", buffer, uid, gid, mode);
 
     if (sehnd != NULL) {
diff --git a/tools/fs_config/fs_config_generate.c b/tools/fs_config/fs_config_generate.c
new file mode 100644
index 000000000..c06213f67
--- /dev/null
+++ b/tools/fs_config/fs_config_generate.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <private/android_filesystem_config.h>
+
+/*
+ * This program expects android_device_dirs and android_device_files
+ * to be defined in the supplied android_filesystem_config.h file in
+ * the device/<vendor>/<product> $(TARGET_DEVICE_DIR). Then generates
+ * the binary format used in the /system/etc/fs_config_dirs and
+ * the /system/etc/fs_config_files to be used by the runtimes.
+ */
+#include "android_filesystem_config.h"
+
+#ifdef NO_ANDROID_FILESYSTEM_CONFIG_DEVICE_DIRS
+  static const struct fs_path_config android_device_dirs[] = {
+};
+#endif
+
+#ifdef NO_ANDROID_FILESYSTEM_CONFIG_DEVICE_FILES
+static const struct fs_path_config android_device_files[] = {
+#ifdef NO_ANDROID_FILESYSTEM_CONFIG_DEVICE_DIRS
+    { 0, AID_ROOT, AID_ROOT, 0, "system/etc/fs_config_dirs" },
+#endif
+    { 0, AID_ROOT, AID_ROOT, 0, "system/etc/fs_config_files" },
+};
+#endif
+
+static void usage() {
+  fprintf(stderr,
+    "Generate binary content for fs_config_dirs (-D) and fs_config_files (-F)\n"
+    "from device-specific android_filesystem_config.h override\n\n"
+    "Usage: fs_config_generate -D|-F [-o output-file]\n");
+}
+
+int main(int argc, char** argv) {
+  const struct fs_path_config *pc;
+  const struct fs_path_config *end;
+  bool dir = false, file = false;
+  FILE *fp = stdout;
+  int opt;
+
+  while((opt = getopt(argc, argv, "DFho:")) != -1) {
+    switch(opt) {
+    case 'D':
+      if (file) {
+        fprintf(stderr, "Must specify only -D or -F\n");
+        usage();
+        exit(EXIT_FAILURE);
+      }
+      dir = true;
+      break;
+    case 'F':
+      if (dir) {
+        fprintf(stderr, "Must specify only -F or -D\n");
+        usage();
+        exit(EXIT_FAILURE);
+      }
+      file = true;
+      break;
+    case 'o':
+      if (fp != stdout) {
+        fprintf(stderr, "Specify only one output file\n");
+        usage();
+        exit(EXIT_FAILURE);
+      }
+      fp = fopen(optarg, "wb");
+      if (fp == NULL) {
+        fprintf(stderr, "Can not open \"%s\"\n", optarg);
+        exit(EXIT_FAILURE);
+      }
+      break;
+    case 'h':
+      usage();
+      exit(EXIT_SUCCESS);
+    default:
+      usage();
+      exit(EXIT_FAILURE);
+    }
+  }
+
+  if (!file && !dir) {
+    fprintf(stderr, "Must specify either -F or -D\n");
+    usage();
+    exit(EXIT_FAILURE);
+  }
+
+  if (dir) {
+    pc = android_device_dirs;
+    end = &android_device_dirs[sizeof(android_device_dirs) / sizeof(android_device_dirs[0])];
+  } else {
+    pc = android_device_files;
+    end = &android_device_files[sizeof(android_device_files) / sizeof(android_device_files[0])];
+  }
+  for(; (pc < end) && pc->prefix; pc++) {
+    char buffer[512];
+    ssize_t len = fs_config_generate(buffer, sizeof(buffer), pc);
+    if (len < 0) {
+      fprintf(stderr, "Entry too large\n");
+      exit(EXIT_FAILURE);
+    }
+    if (fwrite(buffer, 1, len, fp) != (size_t)len) {
+      fprintf(stderr, "Write failure\n");
+      exit(EXIT_FAILURE);
+    }
+  }
+  fclose(fp);
+
+  return 0;
+}
diff --git a/tools/fs_get_stats/Android.mk b/tools/fs_get_stats/Android.mk
index c9b4a0510..4501c1f20 100644
--- a/tools/fs_get_stats/Android.mk
+++ b/tools/fs_get_stats/Android.mk
@@ -6,4 +6,6 @@ LOCAL_SRC_FILES := fs_get_stats.c
 
 LOCAL_MODULE := fs_get_stats
 
+LOCAL_SHARED_LIBRARIES := libcutils liblog
+
 include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/fs_get_stats/fs_get_stats.c b/tools/fs_get_stats/fs_get_stats.c
index a9814b919..159e2aa91 100644
--- a/tools/fs_get_stats/fs_get_stats.c
+++ b/tools/fs_get_stats/fs_get_stats.c
@@ -25,11 +25,12 @@ print_help(void)
 {
 	fprintf(stderr, "fs_get_stats: retrieve the target file stats "
 	        "for the specified file\n");
-	fprintf(stderr, "usage: fs_get_stats cur_perms is_dir filename\n");
+	fprintf(stderr, "usage: fs_get_stats cur_perms is_dir filename targetout\n");
 	fprintf(stderr, "\tcur_perms - The current permissions of "
 	        "the file\n");
 	fprintf(stderr, "\tis_dir    - Is filename is a dir, 1. Otherwise, 0.\n");
 	fprintf(stderr, "\tfilename  - The filename to lookup\n");
+	fprintf(stderr, "\ttargetout - The target out path to query device specific FS configs\n");
 	fprintf(stderr, "\n");
 }
 
@@ -42,7 +43,7 @@ main(int argc, const char *argv[])
 	unsigned uid = (unsigned)-1;
 	unsigned gid = (unsigned)-1;
 
-	if (argc < 4) {
+	if (argc < 5) {
 		ERROR("Invalid arguments\n");
 		print_help();
 		exit(-1);
@@ -58,7 +59,7 @@ main(int argc, const char *argv[])
 		is_dir = 1;
 
 	uint64_t capabilities;
-	fs_config(argv[3], is_dir, &uid, &gid, &perms, &capabilities);
+	fs_config(argv[3], is_dir, argv[4], &uid, &gid, &perms, &capabilities);
 	fprintf(stdout, "%d %d 0%o\n", uid, gid, perms);
 
 	return 0;
diff --git a/tools/generate-notice-files.py b/tools/generate-notice-files.py
index 4571b70df..5b13bf53d 100755
--- a/tools/generate-notice-files.py
+++ b/tools/generate-notice-files.py
@@ -99,7 +99,7 @@ def combine_notice_files_html(file_hash, input_dir, output_filename):
     # most browsers, but href's to table row ids do)
     id_table = {}
     id_count = 0
-    for value in file_hash.values():
+    for value in file_hash:
         for filename in value:
              id_table[filename] = id_count
         id_count += 1
@@ -116,7 +116,7 @@ def combine_notice_files_html(file_hash, input_dir, output_filename):
     print >> output_file, "<ul>"
 
     # Flatten the list of lists into a single list of filenames
-    sorted_filenames = sorted(itertools.chain.from_iterable(file_hash.values()))
+    sorted_filenames = sorted(itertools.chain.from_iterable(file_hash))
 
     # Print out a nice table of contents
     for filename in sorted_filenames:
@@ -127,11 +127,11 @@ def combine_notice_files_html(file_hash, input_dir, output_filename):
     print >> output_file, "</div><!-- table of contents -->"
     # Output the individual notice file lists
     print >>output_file, '<table cellpadding="0" cellspacing="0" border="0">'
-    for value in file_hash.values():
+    for value in file_hash:
         print >> output_file, '<tr id="id%d"><td class="same-license">' % id_table.get(value[0])
         print >> output_file, '<div class="label">Notices for file(s):</div>'
         print >> output_file, '<div class="file-list">'
-        for filename in sorted(value):
+        for filename in value:
             print >> output_file, "%s <br/>" % (SRC_DIR_STRIP_RE.sub(r"\1", filename))
         print >> output_file, "</div><!-- file-list -->"
         print >> output_file
@@ -154,10 +154,10 @@ def combine_notice_files_text(file_hash, input_dir, output_filename, file_title)
     SRC_DIR_STRIP_RE = re.compile(input_dir + "(/.*).txt")
     output_file = open(output_filename, "wb")
     print >> output_file, file_title
-    for value in file_hash.values():
+    for value in file_hash:
       print >> output_file, "============================================================"
       print >> output_file, "Notices for file(s):"
-      for filename in sorted(value):
+      for filename in value:
         print >> output_file, SRC_DIR_STRIP_RE.sub(r"\1", filename)
       print >> output_file, "------------------------------------------------------------"
       print >> output_file, open(value[0]).read()
@@ -178,11 +178,12 @@ def main(args):
                 file_md5sum = md5sum(filename)
                 files_with_same_hash[file_md5sum].append(filename)
 
+    filesets = [sorted(files_with_same_hash[md5]) for md5 in sorted(files_with_same_hash.keys())]
 
     print "Combining NOTICE files into HTML"
-    combine_notice_files_html(files_with_same_hash, input_dir, html_output_file)
+    combine_notice_files_html(filesets, input_dir, html_output_file)
     print "Combining NOTICE files into text"
-    combine_notice_files_text(files_with_same_hash, input_dir, txt_output_file, file_title)
+    combine_notice_files_text(filesets, input_dir, txt_output_file, file_title)
 
 if __name__ == "__main__":
     main(args)
diff --git a/tools/ijar/Android.mk b/tools/ijar/Android.mk
new file mode 100644
index 000000000..8b2a02c74
--- /dev/null
+++ b/tools/ijar/Android.mk
@@ -0,0 +1,16 @@
+# Copyright 2015 The Android Open Source Project
+#
+# The rest of files in this directory comes from
+# https://github.com/bazelbuild/bazel/tree/master/third_party/ijar
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_CPP_EXTENSION := .cc
+LOCAL_SRC_FILES := classfile.cc ijar.cc zip.cc
+LOCAL_CFLAGS += -Wall -Werror
+LOCAL_SHARED_LIBRARIES := libz-host
+LOCAL_MODULE := ijar
+# libc++ is not supported for TARGET_BUILD_APPS builds
+LOCAL_CXX_STL := libstdc++
+include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/ijar/LICENSE b/tools/ijar/LICENSE
new file mode 100644
index 000000000..6b0b1270f
--- /dev/null
+++ b/tools/ijar/LICENSE
@@ -0,0 +1,203 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
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+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
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+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
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+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
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+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
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+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
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+          notices within Derivative Works that You distribute, alongside
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+          that such additional attribution notices cannot be construed
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
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+      reproduction, and distribution of the Work otherwise complies with
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
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+
diff --git a/tools/ijar/README.txt b/tools/ijar/README.txt
new file mode 100644
index 000000000..d5a6a0fd7
--- /dev/null
+++ b/tools/ijar/README.txt
@@ -0,0 +1,120 @@
+
+ijar: A tool for generating interface .jars from normal .jars
+=============================================================
+
+Alan Donovan, 26 May 2007.
+
+Rationale:
+
+  In order to improve the speed of compilation of Java programs in
+  Bazel, the output of build steps is cached.
+
+  This works very nicely for C++ compilation: a compilation unit
+  includes a .cc source file and typically dozens of header files.
+  Header files change relatively infrequently, so the need for a
+  rebuild is usually driven by a change in the .cc file.  Even after
+  syncing a slightly newer version of the tree and doing a rebuild,
+  many hits in the cache are still observed.
+
+  In Java, by contrast, a compilation unit involves a set of .java
+  source files, plus a set of .jar files containing already-compiled
+  JVM .class files.  Class files serve a dual purpose: from the JVM's
+  perspective, they are containers of executable code, but from the
+  compiler's perspective, they are interface definitions.  The problem
+  here is that .jar files are very much more sensitive to change than
+  C++ header files, so even a change that is insignificant to the
+  compiler (such as the addition of a print statement to a method in a
+  prerequisite class) will cause the jar to change, and any code that
+  depends on this jar's interface will be recompiled unnecessarily.
+
+  The purpose of ijar is to produce, from a .jar file, a much smaller,
+  simpler .jar file containing only the parts that are significant for
+  the purposes of compilation.  In other words, an interface .jar
+  file.  By changing ones compilation dependencies to be the interface
+  jar files, unnecessary recompilation is avoided when upstream
+  changes don't affect the interface.
+
+Details:
+
+  ijar is a tool that reads a .jar file and emits a .jar file
+  containing only the parts that are relevant to Java compilation.
+  For example, it throws away:
+
+  - Files whose name does not end in ".class".
+  - All executable method code.
+  - All private methods and fields.
+  - All constants and attributes except the minimal set necessary to
+    describe the class interface.
+  - All debugging information
+    (LineNumberTable, SourceFile, LocalVariableTables attributes).
+
+  It also sets to zero the file modification times in the index of the
+  .jar file.
+
+Implementation:
+
+  ijar is implemented in C++, and runs very quickly.  For example
+  (when optimized) it takes only 530ms to process a 42MB
+  .jar file containing 5878 classe, resulting in an interface .jar
+  file of only 11.4MB in size.  For more usual .jar sizes of a few
+  megabytes, a runtime of 50ms is typical.
+
+  The implementation strategy is to mmap both the input jar and the
+  newly-created _interface.jar, and to scan through the former and
+  emit the latter in a single pass. There are a couple of locations
+  where some kind of "backpatching" is required:
+
+  - in the .zip file format, for each file, the size field precedes
+    the data.  We emit a zero but note its location, generate and emit
+    the stripped classfile, then poke the correct size into the
+    location.
+
+  - for JVM .class files, the header (including the constant table)
+    precedes the body, but cannot be emitted before it because it's
+    not until we emit the body that we know which constants are
+    referenced and which are garbage.  So we emit the body into a
+    temporary buffer, then emit the header to the output jar, followed
+    by the contents of the temp buffer.
+
+  Also note that the zip file format has unnecessary duplication of
+  the index metadata: it has header+data for each file, then another
+  set of (similar) headers at the end.  Rather than save the metadata
+  explicitly in some datastructure, we just record the addresses of
+  the already-emitted zip metadata entries in the output file, and
+  then read from there as necessary.
+
+Notes:
+
+  This code has no dependency except on the STL and on zlib.
+
+  Almost all of the getX/putX/ReadX/WriteX functions in the code
+  advance their first argument pointer, which is passed by reference.
+
+  It's tempting to discard package-private classes and class members.
+  However, this would be incorrect because they are a necessary part
+  of the package interface, as a Java package is often compiled in
+  multiple stages.  For example: in Bazel, both java tests and java
+  code inhabit the same Java package but are compiled separately.
+
+Assumptions:
+
+  We assume that jar files are uncompressed v1.0 zip files (created
+  with 'jar c0f') with a zero general_purpose_bit_flag.
+
+  We assume that javap/javac don't need the correct CRC checksums in
+  the .jar file.
+
+  We assume that it's better simply to abort in the face of unknown
+  input than to risk leaving out something important from the output
+  (although in the case of annotations, it should be safe to ignore
+  ones we don't understand).
+
+TODO:
+  Maybe: ensure a canonical sort order is used for every list (jar
+  entries, class members, attributes, etc.)  This isn't essential
+  because we can assume the compiler is deterministic and the order in
+  the source files changes little.  Also, it would require two passes. :(
+
+  Maybe: delete dynamically-allocated memory.
+
+  Add (a lot) more tests.  Include a test of idempotency.
diff --git a/tools/ijar/classfile.cc b/tools/ijar/classfile.cc
new file mode 100644
index 000000000..e0cf42e39
--- /dev/null
+++ b/tools/ijar/classfile.cc
@@ -0,0 +1,1788 @@
+// Copyright 2001,2007 Alan Donovan. All rights reserved.
+//
+// Author: Alan Donovan <adonovan@google.com>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// classfile.cc -- classfile parsing and stripping.
+//
+
+// TODO(adonovan) don't pass pointers by reference; this is not
+// compatible with Google C++ style.
+
+// See README.txt for details.
+//
+// For definition of JVM class file format, see:
+// Java SE 8 Edition:
+// http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4
+
+#define __STDC_FORMAT_MACROS 1
+#define __STDC_LIMIT_MACROS 1
+#include <inttypes.h> // for PRIx32
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <set>
+#include <string>
+#include <vector>
+
+#include "common.h"
+
+namespace devtools_ijar {
+
+// See Table 4.3 in JVM Spec.
+enum CONSTANT {
+  CONSTANT_Class              = 7,
+  CONSTANT_FieldRef           = 9,
+  CONSTANT_Methodref          = 10,
+  CONSTANT_Interfacemethodref = 11,
+  CONSTANT_String             = 8,
+  CONSTANT_Integer            = 3,
+  CONSTANT_Float              = 4,
+  CONSTANT_Long               = 5,
+  CONSTANT_Double             = 6,
+  CONSTANT_NameAndType        = 12,
+  CONSTANT_Utf8               = 1,
+  CONSTANT_MethodHandle       = 15,
+  CONSTANT_MethodType         = 16,
+  CONSTANT_InvokeDynamic      = 18
+};
+
+// See Tables 4.1, 4.4, 4.5 in JVM Spec.
+enum ACCESS  {
+  ACC_PUBLIC          = 0x0001,
+  ACC_PRIVATE         = 0x0002,
+  ACC_PROTECTED       = 0x0004,
+  ACC_STATIC          = 0x0008,
+  ACC_FINAL           = 0x0010,
+  ACC_SYNCHRONIZED    = 0x0020,
+  ACC_VOLATILE        = 0x0040,
+  ACC_TRANSIENT       = 0x0080,
+  ACC_INTERFACE       = 0x0200,
+  ACC_ABSTRACT        = 0x0400
+};
+
+// See Table 4.7.20-A in Java 8 JVM Spec.
+enum TARGET_TYPE {
+  // Targets for type parameter declarations (ElementType.TYPE_PARAMETER):
+  CLASS_TYPE_PARAMETER        = 0x00,
+  METHOD_TYPE_PARAMETER       = 0x01,
+
+  // Targets for type uses that may be externally visible in classes and members
+  // (ElementType.TYPE_USE):
+  CLASS_EXTENDS               = 0x10,
+  CLASS_TYPE_PARAMETER_BOUND  = 0x11,
+  METHOD_TYPE_PARAMETER_BOUND = 0x12,
+  FIELD                       = 0x13,
+  METHOD_RETURN               = 0x14,
+  METHOD_RECEIVER             = 0x15,
+  METHOD_FORMAL_PARAMETER     = 0x16,
+  THROWS                      = 0x17,
+
+  // TARGET_TYPE >= 0x40 is reserved for type uses that occur only within code
+  // blocks. Ijar doesn't need to know about these.
+};
+
+struct Constant;
+
+// TODO(adonovan) these globals are unfortunate
+static std::vector<Constant*>        const_pool_in; // input constant pool
+static std::vector<Constant*>        const_pool_out; // output constant_pool
+static std::set<std::string>         used_class_names;
+static Constant *                    class_name;
+
+// Returns the Constant object, given an index into the input constant pool.
+// Note: constant(0) == NULL; this invariant is exploited by the
+// InnerClassesAttribute, inter alia.
+inline Constant *constant(int idx) {
+  if (idx < 0 || (unsigned)idx >= const_pool_in.size()) {
+    fprintf(stderr, "Illegal constant pool index: %d\n", idx);
+    abort();
+  }
+  return const_pool_in[idx];
+}
+
+/**********************************************************************
+ *                                                                    *
+ *                             Constants                              *
+ *                                                                    *
+ **********************************************************************/
+
+// See sec.4.4 of JVM spec.
+struct Constant {
+
+  Constant(u1 tag) :
+      slot_(0),
+      tag_(tag) {}
+
+  virtual ~Constant() {}
+
+  // For UTF-8 string constants, returns the encoded string.
+  // Otherwise, returns an undefined string value suitable for debugging.
+  virtual std::string Display() = 0;
+
+  virtual void Write(u1 *&p) = 0;
+
+  // Called by slot() when a constant has been identified as required
+  // in the output classfile's constant pool.  This is a hook allowing
+  // constants to register their dependency on other constants, by
+  // calling slot() on them in turn.
+  virtual void Keep() {}
+
+  bool Kept() {
+    return slot_ != 0;
+  }
+
+  // Returns the index of this constant in the output class's constant
+  // pool, assigning a slot if not already done.
+  u2 slot() {
+    if (slot_ == 0) {
+      Keep();
+      slot_ = const_pool_out.size(); // BugBot's "narrowing" warning
+                                     // is bogus.  The number of
+                                     // output constants can't exceed
+                                     // the number of input constants.
+      if (slot_ == 0) {
+        fprintf(stderr, "Constant::slot() called before output phase.\n");
+        abort();
+      }
+      const_pool_out.push_back(this);
+      if (tag_ == CONSTANT_Long || tag_ == CONSTANT_Double) {
+        const_pool_out.push_back(NULL);
+      }
+    }
+    return slot_;
+  }
+
+  u2 slot_; // zero => "this constant is unreachable garbage"
+  u1 tag_;
+};
+
+// Extracts class names from a signature and puts them into the global
+// variable used_class_names.
+//
+// desc: the descriptor class names should be extracted from.
+// p: the position where the extraction should tart.
+void ExtractClassNames(const std::string& desc, size_t* p);
+
+// See sec.4.4.1 of JVM spec.
+struct Constant_Class : Constant
+{
+  Constant_Class(u2 name_index) :
+      Constant(CONSTANT_Class),
+      name_index_(name_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, constant(name_index_)->slot());
+  }
+
+  std::string Display() {
+    return constant(name_index_)->Display();
+  }
+
+  void Keep() { constant(name_index_)->slot(); }
+
+  u2 name_index_;
+};
+
+// See sec.4.4.2 of JVM spec.
+struct Constant_FMIref : Constant
+{
+  Constant_FMIref(u1 tag,
+                  u2 class_index,
+                  u2 name_type_index) :
+      Constant(tag),
+      class_index_(class_index),
+      name_type_index_(name_type_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, constant(class_index_)->slot());
+    put_u2be(p, constant(name_type_index_)->slot());
+  }
+
+  std::string Display() {
+    return constant(class_index_)->Display() + "::" +
+        constant(name_type_index_)->Display();
+  }
+
+  void Keep() {
+    constant(class_index_)->slot();
+    constant(name_type_index_)->slot();
+  }
+
+  u2 class_index_;
+  u2 name_type_index_;
+};
+
+// See sec.4.4.3 of JVM spec.
+struct Constant_String : Constant
+{
+  Constant_String(u2 string_index) :
+      Constant(CONSTANT_String),
+      string_index_(string_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, constant(string_index_)->slot());
+  }
+
+  std::string Display() {
+    return "\"" + constant(string_index_)->Display() + "\"";
+  }
+
+  void Keep() { constant(string_index_)->slot(); }
+
+  u2 string_index_;
+};
+
+// See sec.4.4.4 of JVM spec.
+struct Constant_IntegerOrFloat : Constant
+{
+  Constant_IntegerOrFloat(u1 tag, u4 bytes) :
+      Constant(tag),
+      bytes_(bytes) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u4be(p, bytes_);
+  }
+
+  std::string Display() { return "int/float"; }
+
+  u4 bytes_;
+};
+
+// See sec.4.4.5 of JVM spec.
+struct Constant_LongOrDouble : Constant_IntegerOrFloat
+{
+  Constant_LongOrDouble(u1 tag, u4 high_bytes, u4 low_bytes) :
+      Constant_IntegerOrFloat(tag, high_bytes),
+      low_bytes_(low_bytes) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u4be(p, bytes_);
+    put_u4be(p, low_bytes_);
+  }
+
+  std::string Display() { return "long/double"; }
+
+  u4 low_bytes_;
+};
+
+// See sec.4.4.6 of JVM spec.
+struct Constant_NameAndType : Constant
+{
+  Constant_NameAndType(u2 name_index, u2 descr_index) :
+      Constant(CONSTANT_NameAndType),
+      name_index_(name_index),
+      descr_index_(descr_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, constant(name_index_)->slot());
+    put_u2be(p, constant(descr_index_)->slot());
+  }
+
+  std::string Display() {
+    return constant(name_index_)->Display() + "::" +
+        constant(descr_index_)->Display();
+  }
+
+  void Keep() {
+    constant(name_index_)->slot();
+    constant(descr_index_)->slot();
+  }
+
+  u2 name_index_;
+  u2 descr_index_;
+};
+
+// See sec.4.4.7 of JVM spec.
+struct Constant_Utf8 : Constant
+{
+  Constant_Utf8(u4 length, const u1 *utf8) :
+      Constant(CONSTANT_Utf8),
+      length_(length),
+      utf8_(utf8) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, length_);
+    put_n(p, utf8_, length_);
+  }
+
+  std::string Display() {
+    return std::string((const char*) utf8_, length_);
+  }
+
+  u4 length_;
+  const u1 *utf8_;
+};
+
+// See sec.4.4.8 of JVM spec.
+struct Constant_MethodHandle : Constant
+{
+  Constant_MethodHandle(u1 reference_kind, u2 reference_index) :
+      Constant(CONSTANT_MethodHandle),
+      reference_kind_(reference_kind),
+      reference_index_(reference_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u1(p, reference_kind_);
+    put_u2be(p, reference_index_);
+  }
+
+  std::string Display() {
+    return "Constant_MethodHandle::" + std::to_string(reference_kind_) + "::"
+        + constant(reference_index_)->Display();
+  }
+
+  u1 reference_kind_;
+  u2 reference_index_;
+};
+
+// See sec.4.4.9 of JVM spec.
+struct Constant_MethodType : Constant
+{
+  Constant_MethodType(u2 descriptor_index) :
+      Constant(CONSTANT_MethodType),
+      descriptor_index_(descriptor_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, descriptor_index_);
+  }
+
+  std::string Display() {
+    return  "Constant_MethodType::" + constant(descriptor_index_)->Display();
+  }
+
+  u2 descriptor_index_;
+};
+
+// See sec.4.4.10 of JVM spec.
+struct Constant_InvokeDynamic : Constant
+{
+  Constant_InvokeDynamic(u2 bootstrap_method_attr_index, u2 name_and_type_index) :
+      Constant(CONSTANT_InvokeDynamic),
+      bootstrap_method_attr_index_(bootstrap_method_attr_index),
+      name_and_type_index_(name_and_type_index) {}
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, bootstrap_method_attr_index_);
+    put_u2be(p, name_and_type_index_);
+  }
+
+  std::string Display() {
+    return  "Constant_InvokeDynamic::"
+        + std::to_string(bootstrap_method_attr_index_) + "::"
+        + constant(name_and_type_index_)->Display();
+  }
+
+  u2 bootstrap_method_attr_index_;
+  u2 name_and_type_index_;
+};
+
+/**********************************************************************
+ *                                                                    *
+ *                             Attributes                             *
+ *                                                                    *
+ **********************************************************************/
+
+// See sec.4.7 of JVM spec.
+struct Attribute {
+
+  virtual ~Attribute() {}
+  virtual void Write(u1 *&p) = 0;
+  virtual void ExtractClassNames() {}
+
+  void WriteProlog(u1 *&p, u2 length) {
+    put_u2be(p, attribute_name_->slot());
+    put_u4be(p, length);
+  }
+
+  Constant *attribute_name_;
+};
+
+// See sec.4.7.5 of JVM spec.
+struct ExceptionsAttribute : Attribute {
+
+  static ExceptionsAttribute* Read(const u1 *&p, Constant *attribute_name) {
+    ExceptionsAttribute *attr = new ExceptionsAttribute;
+    attr->attribute_name_ = attribute_name;
+    u2 number_of_exceptions = get_u2be(p);
+    for (int ii = 0; ii < number_of_exceptions; ++ii) {
+      attr->exceptions_.push_back(constant(get_u2be(p)));
+    }
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, exceptions_.size() * 2 + 2);
+    put_u2be(p, exceptions_.size());
+    for (size_t ii = 0; ii < exceptions_.size(); ++ii) {
+      put_u2be(p, exceptions_[ii]->slot());
+    }
+  }
+
+  std::vector<Constant*> exceptions_;
+};
+
+// See sec.4.7.6 of JVM spec.
+struct InnerClassesAttribute : Attribute {
+
+  struct Entry {
+    Constant *inner_class_info;
+    Constant *outer_class_info;
+    Constant *inner_name;
+    u2 inner_class_access_flags;
+  };
+
+  virtual ~InnerClassesAttribute() {
+    for (size_t i = 0; i < entries_.size(); i++) {
+      delete entries_[i];
+    }
+  }
+
+  static InnerClassesAttribute* Read(const u1 *&p, Constant *attribute_name) {
+    InnerClassesAttribute *attr = new InnerClassesAttribute;
+    attr->attribute_name_ = attribute_name;
+
+    u2 number_of_classes = get_u2be(p);
+    for (int ii = 0; ii < number_of_classes; ++ii) {
+      Entry *entry = new Entry;
+      entry->inner_class_info = constant(get_u2be(p));
+      entry->outer_class_info = constant(get_u2be(p));
+      entry->inner_name = constant(get_u2be(p));
+      entry->inner_class_access_flags = get_u2be(p);
+
+      attr->entries_.push_back(entry);
+    }
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    std::set<int> kept_entries;
+    // We keep an entry if the constant referring to the inner class is already
+    // kept. Then we mark its outer class and its class name as kept, too, then
+    // iterate until a fixed point is reached.
+    size_t entry_count;
+    int iteration = 0;
+
+    do {
+      entry_count = kept_entries.size();
+      for (size_t i_entry = 0; i_entry < entries_.size(); ++i_entry) {
+        Entry* entry = entries_[i_entry];
+        if (entry->inner_class_info->Kept() ||
+            used_class_names.find(entry->inner_class_info->Display())
+                != used_class_names.end() ||
+            entry->outer_class_info == class_name ||
+            entry->outer_class_info == NULL ||
+            entry->inner_name == NULL) {
+          kept_entries.insert(i_entry);
+
+          // These are zero for anonymous inner classes
+          if (entry->outer_class_info != NULL) {
+            entry->outer_class_info->slot();
+          }
+
+          if (entry->inner_name != NULL) {
+            entry->inner_name->slot();
+          }
+        }
+      }
+      iteration += 1;
+    } while (entry_count != kept_entries.size());
+
+    if (kept_entries.size() == 0) {
+      return;
+    }
+
+    WriteProlog(p, 2 + kept_entries.size() * 8);
+    put_u2be(p, kept_entries.size());
+
+    for (std::set<int>::iterator it = kept_entries.begin();
+         it != kept_entries.end();
+         ++it) {
+      Entry *entry = entries_[*it];
+      put_u2be(p, entry->inner_class_info == NULL
+               ? 0
+               : entry->inner_class_info->slot());
+      put_u2be(p, entry->outer_class_info == NULL
+               ? 0
+               : entry->outer_class_info->slot());
+      put_u2be(p, entry->inner_name == NULL
+               ? 0
+               : entry->inner_name->slot());
+      put_u2be(p, entry->inner_class_access_flags);
+    }
+  }
+
+  std::vector<Entry*> entries_;
+};
+
+// See sec.4.7.7 of JVM spec.
+// We preserve EnclosingMethod attributes to be able to identify local and
+// anonymous classes. These classes will be stripped of most content, as they
+// represent implementation details that shoudn't leak into the ijars. Omitting
+// EnclosingMethod attributes can lead to type-checking failures in the presence
+// of generics (see b/9070939).
+struct EnclosingMethodAttribute : Attribute {
+
+  static EnclosingMethodAttribute* Read(const u1 *&p,
+                                        Constant *attribute_name) {
+    EnclosingMethodAttribute *attr = new EnclosingMethodAttribute;
+    attr->attribute_name_ = attribute_name;
+    attr->class_ = constant(get_u2be(p));
+    attr->method_ = constant(get_u2be(p));
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, 4);
+    put_u2be(p, class_->slot());
+    put_u2be(p, method_ == NULL ? 0 : method_->slot());
+  }
+
+  Constant *class_;
+  Constant *method_;
+};
+
+// See sec.4.7.16.1 of JVM spec.
+// Used by AnnotationDefault and other attributes.
+struct ElementValue {
+  virtual ~ElementValue() {}
+  virtual void Write(u1 *&p) = 0;
+  virtual void ExtractClassNames() {}
+  static ElementValue* Read(const u1 *&p);
+  u1 tag_;
+  u4 length_;
+};
+
+struct BaseTypeElementValue : ElementValue {
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, const_value_->slot());
+  }
+  static BaseTypeElementValue *Read(const u1 *&p) {
+    BaseTypeElementValue *value = new BaseTypeElementValue;
+    value->const_value_ = constant(get_u2be(p));
+    return value;
+  }
+  Constant *const_value_;
+};
+
+struct EnumTypeElementValue : ElementValue {
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, type_name_->slot());
+    put_u2be(p, const_name_->slot());
+  }
+  static EnumTypeElementValue *Read(const u1 *&p) {
+    EnumTypeElementValue *value = new EnumTypeElementValue;
+    value->type_name_ = constant(get_u2be(p));
+    value->const_name_ = constant(get_u2be(p));
+    return value;
+  }
+  Constant *type_name_;
+  Constant *const_name_;
+};
+
+struct ClassTypeElementValue : ElementValue {
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, class_info_->slot());
+  }
+
+  virtual void ExtractClassNames() {
+    size_t idx = 0;
+    devtools_ijar::ExtractClassNames(class_info_->Display(), &idx);
+  }
+
+  static ClassTypeElementValue *Read(const u1 *&p) {
+    ClassTypeElementValue *value = new ClassTypeElementValue;
+    value->class_info_ = constant(get_u2be(p));
+    return value;
+  }
+  Constant *class_info_;
+};
+
+struct ArrayTypeElementValue : ElementValue {
+  virtual ~ArrayTypeElementValue() {
+    for (size_t i = 0; i < values_.size(); i++) {
+      delete values_[i];
+    }
+  }
+
+  virtual void ExtractClassNames() {
+    for (size_t i = 0; i < values_.size(); i++) {
+      values_[i]->ExtractClassNames();
+    }
+  }
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    put_u2be(p, values_.size());
+    for (size_t ii = 0; ii < values_.size(); ++ii) {
+      values_[ii]->Write(p);
+    }
+  }
+  static ArrayTypeElementValue *Read(const u1 *&p) {
+    ArrayTypeElementValue *value = new ArrayTypeElementValue;
+    u2 num_values = get_u2be(p);
+    for (int ii = 0; ii < num_values; ++ii) {
+      value->values_.push_back(ElementValue::Read(p));
+    }
+    return value;
+  }
+  std::vector<ElementValue*> values_;
+};
+
+// See sec.4.7.16 of JVM spec.
+struct Annotation {
+  virtual ~Annotation() {
+    for (size_t i = 0; i < element_value_pairs_.size(); i++) {
+      delete element_value_pairs_[i]->element_value_;
+      delete element_value_pairs_[i];
+    }
+  }
+
+  void ExtractClassNames() {
+    for (size_t i = 0; i < element_value_pairs_.size(); i++) {
+      element_value_pairs_[i]->element_value_->ExtractClassNames();
+    }
+  }
+
+  void Write(u1 *&p) {
+    put_u2be(p, type_->slot());
+    put_u2be(p, element_value_pairs_.size());
+    for (size_t ii = 0; ii < element_value_pairs_.size(); ++ii) {
+      put_u2be(p, element_value_pairs_[ii]->element_name_->slot());
+      element_value_pairs_[ii]->element_value_->Write(p);
+    }
+  }
+  static Annotation *Read(const u1 *&p) {
+    Annotation *value = new Annotation;
+    value->type_ = constant(get_u2be(p));
+    u2 num_element_value_pairs = get_u2be(p);
+    for (int ii = 0; ii < num_element_value_pairs; ++ii) {
+      ElementValuePair *pair = new ElementValuePair;
+      pair->element_name_ = constant(get_u2be(p));
+      pair->element_value_ = ElementValue::Read(p);
+      value->element_value_pairs_.push_back(pair);
+    }
+    return value;
+  }
+  Constant *type_;
+  struct ElementValuePair {
+    Constant *element_name_;
+    ElementValue *element_value_;
+  };
+  std::vector<ElementValuePair*> element_value_pairs_;
+};
+
+// See sec 4.7.20 of Java 8 JVM Spec
+//
+// Each entry in the annotations table represents a single run-time visible
+// annotation on a type used in a declaration or expression. The type_annotation
+// structure has the following format:
+//
+// type_annotation {
+//   u1 target_type;
+//   union {
+//     type_parameter_target;
+//     supertype_target;
+//     type_parameter_bound_target;
+//     empty_target;
+//     method_formal_parameter_target;
+//     throws_target;
+//     localvar_target;
+//     catch_target;
+//     offset_target;
+//     type_argument_target;
+//   } target_info;
+//   type_path target_path;
+//   u2        type_index;
+//   u2        num_element_value_pairs;
+//   {
+//     u2            element_name_index;
+//     element_value value;
+//   }
+//   element_value_pairs[num_element_value_pairs];
+// }
+//
+struct TypeAnnotation {
+  virtual ~TypeAnnotation() {
+    delete target_info_;
+    delete type_path_;
+    delete annotation_;
+  }
+
+  void ExtractClassNames() {
+    annotation_->ExtractClassNames();
+  }
+
+  void Write(u1 *&p) {
+    put_u1(p, target_type_);
+    target_info_->Write(p);
+    type_path_->Write(p);
+    annotation_->Write(p);
+  }
+
+  static TypeAnnotation *Read(const u1 *&p) {
+    TypeAnnotation *value = new TypeAnnotation;
+    value->target_type_ = get_u1(p);
+    value->target_info_ = ReadTargetInfo(p, value->target_type_);
+    value->type_path_ = TypePath::Read(p);
+    value->annotation_ = Annotation::Read(p);
+    return value;
+  }
+
+  struct TargetInfo {
+    virtual ~TargetInfo() {}
+    virtual void Write(u1 *&p) = 0;
+  };
+
+  struct TypeParameterTargetInfo : TargetInfo {
+    void Write(u1 *&p) {
+      put_u1(p, type_parameter_index_);
+    }
+    static TypeParameterTargetInfo *Read(const u1 *&p) {
+      TypeParameterTargetInfo *value = new TypeParameterTargetInfo;
+      value->type_parameter_index_ = get_u1(p);
+      return value;
+    }
+    u1 type_parameter_index_;
+  };
+
+  struct ClassExtendsInfo : TargetInfo {
+    void Write(u1 *&p) {
+      put_u2be(p, supertype_index_);
+    }
+    static ClassExtendsInfo *Read(const u1 *&p) {
+      ClassExtendsInfo *value = new ClassExtendsInfo;
+      value->supertype_index_ = get_u2be(p);
+      return value;
+    }
+    u2 supertype_index_;
+  };
+
+  struct TypeParameterBoundInfo : TargetInfo {
+    void Write(u1 *&p) {
+      put_u1(p, type_parameter_index_);
+      put_u1(p, bound_index_);
+    }
+    static TypeParameterBoundInfo *Read(const u1 *&p) {
+      TypeParameterBoundInfo *value = new TypeParameterBoundInfo;
+      value->type_parameter_index_ = get_u1(p);
+      value->bound_index_ = get_u1(p);
+      return value;
+    }
+    u1 type_parameter_index_;
+    u1 bound_index_;
+  };
+
+  struct EmptyInfo : TargetInfo {
+    void Write(u1 *&) {}
+    static EmptyInfo *Read(const u1 *&) {
+      return new EmptyInfo;
+    }
+  };
+
+  struct MethodFormalParameterInfo : TargetInfo {
+    void Write(u1 *&p) {
+      put_u1(p, method_formal_parameter_index_);
+    }
+    static MethodFormalParameterInfo *Read(const u1 *&p) {
+      MethodFormalParameterInfo *value = new MethodFormalParameterInfo;
+      value->method_formal_parameter_index_ = get_u1(p);
+      return value;
+    }
+    u1 method_formal_parameter_index_;
+  };
+
+  struct ThrowsTypeInfo : TargetInfo {
+    void Write(u1 *&p) {
+      put_u2be(p, throws_type_index_);
+    }
+    static ThrowsTypeInfo *Read(const u1 *&p) {
+      ThrowsTypeInfo *value = new ThrowsTypeInfo;
+      value->throws_type_index_ = get_u2be(p);
+      return value;
+    }
+    u2 throws_type_index_;
+  };
+
+  static TargetInfo *ReadTargetInfo(const u1 *&p, u1 target_type) {
+    switch (target_type) {
+      case CLASS_TYPE_PARAMETER:
+      case METHOD_TYPE_PARAMETER:
+        return TypeParameterTargetInfo::Read(p);
+      case CLASS_EXTENDS:
+        return ClassExtendsInfo::Read(p);
+      case CLASS_TYPE_PARAMETER_BOUND:
+      case METHOD_TYPE_PARAMETER_BOUND:
+        return TypeParameterBoundInfo::Read(p);
+      case FIELD:
+      case METHOD_RETURN:
+      case METHOD_RECEIVER:
+        return new EmptyInfo;
+      case METHOD_FORMAL_PARAMETER:
+        return MethodFormalParameterInfo::Read(p);
+      case THROWS:
+        return ThrowsTypeInfo::Read(p);
+      default:
+        fprintf(stderr, "Illegal type annotation target type: %d\n",
+                target_type);
+        abort();
+    }
+  }
+
+  struct TypePath {
+    void Write(u1 *&p) {
+      put_u1(p, path_.size());
+      for (TypePathEntry entry : path_) {
+        put_u1(p, entry.type_path_kind_);
+        put_u1(p, entry.type_argument_index_);
+      }
+    }
+    static TypePath *Read(const u1 *&p) {
+      TypePath *value = new TypePath;
+      u1 path_length = get_u1(p);
+      for (int ii = 0; ii < path_length; ++ii) {
+        TypePathEntry entry;
+        entry.type_path_kind_ = get_u1(p);
+        entry.type_argument_index_ = get_u1(p);
+        value->path_.push_back(entry);
+      }
+      return value;
+    }
+
+    struct TypePathEntry {
+      u1 type_path_kind_;
+      u1 type_argument_index_;
+    };
+    std::vector<TypePathEntry> path_;
+  };
+
+  u1 target_type_;
+  TargetInfo *target_info_;
+  TypePath *type_path_;
+  Annotation *annotation_;
+};
+
+struct AnnotationTypeElementValue : ElementValue {
+  virtual ~AnnotationTypeElementValue() {
+    delete annotation_;
+  }
+
+  void Write(u1 *&p) {
+    put_u1(p, tag_);
+    annotation_->Write(p);
+  }
+  static AnnotationTypeElementValue *Read(const u1 *&p) {
+    AnnotationTypeElementValue *value = new AnnotationTypeElementValue;
+    value->annotation_ = Annotation::Read(p);
+    return value;
+  }
+
+  Annotation *annotation_;
+};
+
+ElementValue* ElementValue::Read(const u1 *&p) {
+  const u1* start = p;
+  ElementValue *result;
+  u1 tag = get_u1(p);
+  if (tag != 0 && strchr("BCDFIJSZs", (char) tag) != NULL) {
+    result = BaseTypeElementValue::Read(p);
+  } else if ((char) tag == 'e') {
+    result = EnumTypeElementValue::Read(p);
+  } else if ((char) tag == 'c') {
+    result = ClassTypeElementValue::Read(p);
+  } else if ((char) tag == '[') {
+    result = ArrayTypeElementValue::Read(p);
+  } else if ((char) tag == '@') {
+    result = AnnotationTypeElementValue::Read(p);
+  } else {
+    fprintf(stderr, "Illegal element_value::tag: %d\n", tag);
+    abort();
+  }
+  result->tag_ = tag;
+  result->length_ = p - start;
+  return result;
+}
+
+// See sec.4.7.20 of JVM spec.
+// We preserve AnnotationDefault attributes because they are required
+// in order to make use of an annotation in new code.
+struct AnnotationDefaultAttribute : Attribute {
+  virtual ~AnnotationDefaultAttribute() {
+    delete default_value_;
+  }
+
+  static AnnotationDefaultAttribute* Read(const u1 *&p,
+                                          Constant *attribute_name) {
+    AnnotationDefaultAttribute *attr = new AnnotationDefaultAttribute;
+    attr->attribute_name_ = attribute_name;
+    attr->default_value_ = ElementValue::Read(p);
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, default_value_->length_);
+    default_value_->Write(p);
+  }
+
+  virtual void ExtractClassNames() {
+    default_value_->ExtractClassNames();
+  }
+
+  ElementValue *default_value_;
+};
+
+// See sec.4.7.2 of JVM spec.
+// We preserve ConstantValue attributes because they are required for
+// compile-time constant propagation.
+struct ConstantValueAttribute : Attribute {
+
+  static ConstantValueAttribute* Read(const u1 *&p, Constant *attribute_name) {
+    ConstantValueAttribute *attr = new ConstantValueAttribute;
+    attr->attribute_name_ = attribute_name;
+    attr->constantvalue_ = constant(get_u2be(p));
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, 2);
+    put_u2be(p, constantvalue_->slot());
+  }
+
+  Constant *constantvalue_;
+};
+
+// See sec.4.7.9 of JVM spec.
+// We preserve Signature attributes because they are required by the
+// compiler for type-checking of generics.
+struct SignatureAttribute : Attribute {
+
+  static SignatureAttribute* Read(const u1 *&p, Constant *attribute_name) {
+    SignatureAttribute *attr = new SignatureAttribute;
+    attr->attribute_name_ = attribute_name;
+    attr->signature_  = constant(get_u2be(p));
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, 2);
+    put_u2be(p, signature_->slot());
+  }
+
+  virtual void ExtractClassNames() {
+    size_t signature_idx = 0;
+    devtools_ijar::ExtractClassNames(signature_->Display(), &signature_idx);
+  }
+
+  Constant *signature_;
+};
+
+// See sec.4.7.15 of JVM spec.
+// We preserve Deprecated attributes because they are required by the
+// compiler to generate warning messages.
+struct DeprecatedAttribute : Attribute {
+
+  static DeprecatedAttribute* Read(const u1 *&, Constant *attribute_name) {
+    DeprecatedAttribute *attr = new DeprecatedAttribute;
+    attr->attribute_name_ = attribute_name;
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, 0);
+  }
+};
+
+// See sec.4.7.16-17 of JVM spec v3.  Includes RuntimeVisible and
+// RuntimeInvisible.
+//
+// We preserve all annotations.
+struct AnnotationsAttribute : Attribute {
+  virtual ~AnnotationsAttribute() {
+    for (size_t i = 0; i < annotations_.size(); i++) {
+      delete annotations_[i];
+    }
+  }
+
+  static AnnotationsAttribute* Read(const u1 *&p, Constant *attribute_name) {
+    AnnotationsAttribute *attr = new AnnotationsAttribute;
+    attr->attribute_name_ = attribute_name;
+    u2 num_annotations = get_u2be(p);
+    for (int ii = 0; ii < num_annotations; ++ii) {
+      Annotation *annotation = Annotation::Read(p);
+      attr->annotations_.push_back(annotation);
+    }
+    return attr;
+  }
+
+  virtual void ExtractClassNames() {
+    for (size_t i = 0; i < annotations_.size(); i++) {
+      annotations_[i]->ExtractClassNames();
+    }
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, -1);
+    u1 *payload_start = p - 4;
+    put_u2be(p, annotations_.size());
+    for (size_t ii = 0; ii < annotations_.size(); ++ii) {
+      annotations_[ii]->Write(p);
+    }
+    put_u4be(payload_start, p - 4 - payload_start);  // backpatch length
+  }
+
+  std::vector<Annotation*> annotations_;
+};
+
+// See sec.4.7.18-19 of JVM spec.  Includes RuntimeVisible and
+// RuntimeInvisible.
+//
+// We preserve all annotations.
+struct ParameterAnnotationsAttribute : Attribute {
+
+  static ParameterAnnotationsAttribute* Read(const u1 *&p,
+                                             Constant *attribute_name) {
+    ParameterAnnotationsAttribute *attr = new ParameterAnnotationsAttribute;
+    attr->attribute_name_ = attribute_name;
+    u1 num_parameters = get_u1(p);
+    for (int ii = 0; ii < num_parameters; ++ii) {
+      std::vector<Annotation*> annotations;
+      u2 num_annotations = get_u2be(p);
+      for (int ii = 0; ii < num_annotations; ++ii) {
+        Annotation *annotation = Annotation::Read(p);
+        annotations.push_back(annotation);
+      }
+      attr->parameter_annotations_.push_back(annotations);
+    }
+    return attr;
+  }
+
+  virtual void ExtractClassNames() {
+    for (size_t i = 0; i < parameter_annotations_.size(); i++) {
+      const std::vector<Annotation*>& annotations = parameter_annotations_[i];
+      for (size_t j = 0; j < annotations.size(); j++) {
+        annotations[j]->ExtractClassNames();
+      }
+    }
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, -1);
+    u1 *payload_start = p - 4;
+    put_u1(p, parameter_annotations_.size());
+    for (size_t ii = 0; ii < parameter_annotations_.size(); ++ii) {
+      std::vector<Annotation *> &annotations = parameter_annotations_[ii];
+      put_u2be(p, annotations.size());
+      for (size_t jj = 0; jj < annotations.size(); ++jj) {
+        annotations[jj]->Write(p);
+      }
+    }
+    put_u4be(payload_start, p - 4 - payload_start);  // backpatch length
+  }
+
+  std::vector<std::vector<Annotation*> > parameter_annotations_;
+};
+
+// See sec.4.7.20 of Java 8 JVM spec. Includes RuntimeVisibleTypeAnnotations
+// and RuntimeInvisibleTypeAnnotations.
+struct TypeAnnotationsAttribute : Attribute {
+  static TypeAnnotationsAttribute* Read(const u1 *&p, Constant *attribute_name,
+                                        u4) {
+    auto attr = new TypeAnnotationsAttribute;
+    attr->attribute_name_ = attribute_name;
+    u2 num_annotations = get_u2be(p);
+    for (int ii = 0; ii < num_annotations; ++ii) {
+      TypeAnnotation *annotation = TypeAnnotation::Read(p);
+      attr->type_annotations_.push_back(annotation);
+    }
+    return attr;
+  }
+
+  virtual void ExtractClassNames() {
+    for (size_t i = 0; i < type_annotations_.size(); i++) {
+      type_annotations_[i]->ExtractClassNames();
+    }
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, -1);
+    u1 *payload_start = p - 4;
+    put_u2be(p, type_annotations_.size());
+    for (TypeAnnotation *annotation : type_annotations_) {
+      annotation->Write(p);
+    }
+    put_u4be(payload_start, p - 4 - payload_start);  // backpatch length
+  }
+
+  std::vector<TypeAnnotation*> type_annotations_;
+};
+
+struct GeneralAttribute : Attribute {
+  static GeneralAttribute* Read(const u1 *&p, Constant *attribute_name,
+                                u4 attribute_length) {
+    auto attr = new GeneralAttribute;
+    attr->attribute_name_ = attribute_name;
+    attr->attribute_length_ = attribute_length;
+    attr->attribute_content_ = p;
+    p += attribute_length;
+    return attr;
+  }
+
+  void Write(u1 *&p) {
+    WriteProlog(p, attribute_length_);
+    put_n(p, attribute_content_, attribute_length_);
+  }
+
+  u4 attribute_length_;
+  const u1 *attribute_content_;
+};
+
+/**********************************************************************
+ *                                                                    *
+ *                             ClassFile                              *
+ *                                                                    *
+ **********************************************************************/
+
+struct HasAttrs {
+  std::vector<Attribute*> attributes;
+
+  void WriteAttrs(u1 *&p);
+  void ReadAttrs(const u1 *&p);
+
+  virtual ~HasAttrs() {
+    for (size_t i = 0; i < attributes.size(); i++) {
+      delete attributes[i];
+    }
+  }
+
+  void ExtractClassNames() {
+    for (size_t i = 0; i < attributes.size(); i++) {
+      attributes[i]->ExtractClassNames();
+    }
+  }
+};
+
+// A field or method.
+// See sec.4.5 and 4.6 of JVM spec.
+struct Member : HasAttrs {
+  u2 access_flags;
+  Constant *name;
+  Constant *descriptor;
+
+  static Member* Read(const u1 *&p) {
+    Member *m = new Member;
+    m->access_flags = get_u2be(p);
+    m->name = constant(get_u2be(p));
+    m->descriptor = constant(get_u2be(p));
+    m->ReadAttrs(p);
+    return m;
+  }
+
+  void Write(u1 *&p) {
+    put_u2be(p, access_flags);
+    put_u2be(p, name->slot());
+    put_u2be(p, descriptor->slot());
+    WriteAttrs(p);
+  }
+};
+
+// See sec.4.1 of JVM spec.
+struct ClassFile : HasAttrs {
+
+  size_t length;
+
+  // Header:
+  u4 magic;
+  u2 major;
+  u2 minor;
+
+  // Body:
+  u2 access_flags;
+  Constant *this_class;
+  Constant *super_class;
+  std::vector<Constant*> interfaces;
+  std::vector<Member*> fields;
+  std::vector<Member*> methods;
+
+  virtual ~ClassFile() {
+    for (size_t i = 0; i < fields.size(); i++) {
+      delete fields[i];
+    }
+
+    for (size_t i = 0; i < methods.size(); i++) {
+      delete methods[i];
+    }
+
+    // Constants do not need to be deleted; they are owned by the constant pool.
+  }
+
+  void WriteClass(u1 *&p);
+
+  bool ReadConstantPool(const u1 *&p);
+
+  void StripIfAnonymous();
+
+  void WriteHeader(u1 *&p) {
+    put_u4be(p, magic);
+    put_u2be(p, major);
+    put_u2be(p, minor);
+
+    put_u2be(p, const_pool_out.size());
+    for (u2 ii = 1; ii < const_pool_out.size(); ++ii) {
+      if (const_pool_out[ii] != NULL) { // NB: NULLs appear after long/double.
+        const_pool_out[ii]->Write(p);
+      }
+    }
+  }
+
+  void WriteBody(u1 *&p) {
+    put_u2be(p, access_flags);
+    put_u2be(p, this_class->slot());
+    put_u2be(p, super_class == NULL ? 0 : super_class->slot());
+    put_u2be(p, interfaces.size());
+    for (size_t ii = 0; ii < interfaces.size(); ++ii) {
+      put_u2be(p, interfaces[ii]->slot());
+    }
+    put_u2be(p, fields.size());
+    for (size_t ii = 0; ii < fields.size(); ++ii) {
+      fields[ii]->Write(p);
+    }
+    put_u2be(p, methods.size());
+    for (size_t ii = 0; ii < methods.size(); ++ii) {
+      methods[ii]->Write(p);
+    }
+
+    Attribute* inner_classes = NULL;
+
+    // Make the inner classes attribute the last, so that it can know which
+    // constants were needed
+    for (size_t ii = 0; ii < attributes.size(); ii++) {
+      if (attributes[ii]->attribute_name_->Display() == "InnerClasses") {
+        inner_classes = attributes[ii];
+        attributes.erase(attributes.begin() + ii);
+        break;
+      }
+    }
+
+    if (inner_classes != NULL) {
+      attributes.push_back(inner_classes);
+    }
+
+    WriteAttrs(p);
+  }
+
+};
+
+void HasAttrs::ReadAttrs(const u1 *&p) {
+  u2 attributes_count = get_u2be(p);
+  for (int ii = 0; ii < attributes_count; ii++) {
+    Constant *attribute_name = constant(get_u2be(p));
+    u4 attribute_length = get_u4be(p);
+
+    std::string attr_name = attribute_name->Display();
+    if (attr_name == "SourceFile" ||
+        attr_name == "LineNumberTable" ||
+        attr_name == "LocalVariableTable" ||
+        attr_name == "LocalVariableTypeTable" ||
+        attr_name == "Code" ||
+        attr_name == "Synthetic" ||
+        attr_name == "BootstrapMethods") {
+      p += attribute_length; // drop these attributes
+    } else if (attr_name == "Exceptions") {
+      attributes.push_back(ExceptionsAttribute::Read(p, attribute_name));
+    } else if (attr_name == "Signature") {
+      attributes.push_back(SignatureAttribute::Read(p, attribute_name));
+    } else if (attr_name == "Deprecated") {
+      attributes.push_back(DeprecatedAttribute::Read(p, attribute_name));
+    } else if (attr_name == "EnclosingMethod") {
+      attributes.push_back(EnclosingMethodAttribute::Read(p, attribute_name));
+    } else if (attr_name == "InnerClasses") {
+      // TODO(bazel-team): omit private inner classes
+      attributes.push_back(InnerClassesAttribute::Read(p, attribute_name));
+    } else if (attr_name == "AnnotationDefault") {
+      attributes.push_back(AnnotationDefaultAttribute::Read(p, attribute_name));
+    } else if (attr_name == "ConstantValue") {
+      attributes.push_back(ConstantValueAttribute::Read(p, attribute_name));
+    } else if (attr_name == "RuntimeVisibleAnnotations" ||
+               attr_name == "RuntimeInvisibleAnnotations") {
+      attributes.push_back(AnnotationsAttribute::Read(p, attribute_name));
+    } else if (attr_name == "RuntimeVisibleParameterAnnotations" ||
+               attr_name == "RuntimeInvisibleParameterAnnotations") {
+      attributes.push_back(
+          ParameterAnnotationsAttribute::Read(p, attribute_name));
+    } else if (attr_name == "Scala" ||
+               attr_name == "ScalaSig" ||
+               attr_name == "ScalaInlineInfo") {
+      // These are opaque blobs, so can be handled with a general
+      // attribute handler
+      attributes.push_back(GeneralAttribute::Read(p, attribute_name,
+                                                  attribute_length));
+    } else if (attr_name == "RuntimeVisibleTypeAnnotations" ||
+               attr_name == "RuntimeInvisibleTypeAnnotations") {
+      // JSR 308: annotations on types. JDK 7 has no use for these yet, but the
+      // Checkers Framework relies on them.
+      attributes.push_back(TypeAnnotationsAttribute::Read(p, attribute_name,
+                                                          attribute_length));
+    } else {
+      // Skip over unknown attributes with a warning.  The JVM spec
+      // says this is ok, so long as we handle the mandatory attributes.
+      fprintf(stderr, "ijar: skipping unknown attribute: \"%s\".\n",
+              attr_name.c_str());
+      p += attribute_length;
+    }
+  }
+}
+
+void HasAttrs::WriteAttrs(u1 *&p) {
+  u1* p_size = p;
+
+  put_u2be(p, 0);
+  int n_written_attrs = 0;
+  for (size_t ii = 0; ii < attributes.size(); ii++) {
+    u1* before = p;
+    attributes[ii]->Write(p);
+    if (p != before) {
+      n_written_attrs++;
+    }
+  }
+
+  put_u2be(p_size, n_written_attrs);
+}
+
+// See sec.4.4 of JVM spec.
+bool ClassFile::ReadConstantPool(const u1 *&p) {
+
+  const_pool_in.clear();
+  const_pool_in.push_back(NULL); // dummy first item
+
+  u2 cp_count = get_u2be(p);
+  for (int ii = 1; ii < cp_count; ++ii) {
+    u1 tag = get_u1(p);
+
+    if (devtools_ijar::verbose) {
+      fprintf(stderr, "cp[%d/%d] = tag %d\n", ii, cp_count, tag);
+    }
+
+    switch(tag) {
+      case CONSTANT_Class: {
+        u2 name_index = get_u2be(p);
+        const_pool_in.push_back(new Constant_Class(name_index));
+        break;
+      }
+      case CONSTANT_FieldRef:
+      case CONSTANT_Methodref:
+      case CONSTANT_Interfacemethodref: {
+        u2 class_index = get_u2be(p);
+        u2 nti = get_u2be(p);
+        const_pool_in.push_back(new Constant_FMIref(tag, class_index, nti));
+        break;
+      }
+      case CONSTANT_String: {
+        u2 string_index = get_u2be(p);
+        const_pool_in.push_back(new Constant_String(string_index));
+        break;
+      }
+      case CONSTANT_NameAndType: {
+        u2 name_index = get_u2be(p);
+        u2 descriptor_index = get_u2be(p);
+        const_pool_in.push_back(
+            new Constant_NameAndType(name_index, descriptor_index));
+        break;
+      }
+      case CONSTANT_Utf8: {
+        u2 length = get_u2be(p);
+        if (devtools_ijar::verbose) {
+          fprintf(stderr, "Utf8: \"%s\" (%d)\n",
+                  std::string((const char*) p, length).c_str(), length);
+        }
+
+        const_pool_in.push_back(new Constant_Utf8(length, p));
+        p += length;
+        break;
+      }
+      case CONSTANT_Integer:
+      case CONSTANT_Float: {
+        u4 bytes = get_u4be(p);
+        const_pool_in.push_back(new Constant_IntegerOrFloat(tag, bytes));
+        break;
+      }
+      case CONSTANT_Long:
+      case CONSTANT_Double: {
+        u4 high_bytes = get_u4be(p);
+        u4 low_bytes = get_u4be(p);
+        const_pool_in.push_back(
+            new Constant_LongOrDouble(tag, high_bytes, low_bytes));
+        // Longs and doubles occupy two constant pool slots.
+        // ("In retrospect, making 8-byte constants take two "constant
+        // pool entries was a poor choice." --JVM Spec.)
+        const_pool_in.push_back(NULL);
+        ii++;
+        break;
+      }
+      case CONSTANT_MethodHandle: {
+        u1 reference_kind = get_u1(p);
+        u2 reference_index = get_u2be(p);
+        const_pool_in.push_back(
+            new Constant_MethodHandle(reference_kind, reference_index));
+        break;
+      }
+      case CONSTANT_MethodType: {
+        u2 descriptor_index = get_u2be(p);
+        const_pool_in.push_back(new Constant_MethodType(descriptor_index));
+        break;
+      }
+      case CONSTANT_InvokeDynamic: {
+        u2 bootstrap_method_attr = get_u2be(p);
+        u2 name_name_type_index = get_u2be(p);
+        const_pool_in.push_back(new Constant_InvokeDynamic(
+            bootstrap_method_attr, name_name_type_index));
+        break;
+      }
+      default: {
+        fprintf(stderr, "Unknown constant: %02x. Passing class through.\n",
+                tag);
+        return false;
+      }
+    }
+  }
+
+  return true;
+}
+
+// Anonymous inner classes are stripped to opaque classes that only extend
+// Object. None of their methods or fields are accessible anyway.
+void ClassFile::StripIfAnonymous() {
+  int enclosing_index = -1;
+  int inner_classes_index = -1;
+
+  for (size_t ii = 0; ii < attributes.size(); ++ii) {
+    if (attributes[ii]->attribute_name_->Display() == "EnclosingMethod") {
+      enclosing_index = ii;
+    } else if (attributes[ii]->attribute_name_->Display() == "InnerClasses") {
+      inner_classes_index = ii;
+    }
+  }
+
+  // Presence of an EnclosingMethod attribute indicates a local or anonymous
+  // class, which can be stripped.
+  if (enclosing_index > -1) {
+    // Clear the signature to only extend java.lang.Object.
+    super_class = NULL;
+    interfaces.clear();
+
+    // Clear away all fields (implementation details).
+    for (size_t ii = 0; ii < fields.size(); ++ii) {
+      delete fields[ii];
+    }
+    fields.clear();
+
+    // Clear away all methods (implementation details).
+    for (size_t ii = 0; ii < methods.size(); ++ii) {
+      delete methods[ii];
+    }
+    methods.clear();
+
+    // Only preserve the InnerClasses attribute to comply with the spec.
+    Attribute *attr = NULL;
+    for (size_t ii = 0; ii < attributes.size(); ++ii) {
+      if (static_cast<int>(ii) != inner_classes_index) {
+        delete attributes[ii];
+      } else {
+        attr = attributes[ii];
+      }
+    }
+    attributes.clear();
+    if (attr != NULL) {
+      attributes.push_back(attr);
+    }
+  }
+}
+
+static ClassFile *ReadClass(const void *classdata, size_t length) {
+  const u1 *p = (u1*) classdata;
+
+  ClassFile *clazz = new ClassFile;
+
+  clazz->length = length;
+
+  clazz->magic = get_u4be(p);
+  if (clazz->magic != 0xCAFEBABE) {
+    fprintf(stderr, "Bad magic %" PRIx32 "\n", clazz->magic);
+    abort();
+  }
+  clazz->major = get_u2be(p);
+  clazz->minor = get_u2be(p);
+
+  if (!clazz->ReadConstantPool(p)) {
+    delete clazz;
+    return NULL;
+  }
+
+  clazz->access_flags = get_u2be(p);
+  clazz->this_class = constant(get_u2be(p));
+  class_name = clazz->this_class;
+
+  u2 super_class_id = get_u2be(p);
+  clazz->super_class = super_class_id == 0 ? NULL : constant(super_class_id);
+
+  u2 interfaces_count = get_u2be(p);
+  for (int ii = 0; ii < interfaces_count; ++ii) {
+    clazz->interfaces.push_back(constant(get_u2be(p)));
+  }
+
+  u2 fields_count = get_u2be(p);
+  for (int ii = 0; ii < fields_count; ++ii) {
+    Member *field = Member::Read(p);
+
+    if (!(field->access_flags & ACC_PRIVATE)) { // drop private fields
+      clazz->fields.push_back(field);
+    }
+  }
+
+  u2 methods_count = get_u2be(p);
+  for (int ii = 0; ii < methods_count; ++ii) {
+    Member *method = Member::Read(p);
+
+    // drop class initializers
+    if (method->name->Display() == "<clinit>") continue;
+
+    if (!(method->access_flags & ACC_PRIVATE)) { // drop private methods
+      clazz->methods.push_back(method);
+    }
+  }
+
+  clazz->ReadAttrs(p);
+  clazz->StripIfAnonymous();
+
+  return clazz;
+}
+
+// In theory, '/' is also reserved, but it's okay if we just parse package
+// identifiers as part of the class name. Note that signatures are UTF-8, but
+// this works just as well as in plain ASCII.
+static const char *SIGNATURE_NON_IDENTIFIER_CHARS = ".;[<>:";
+
+void Expect(const std::string& desc, size_t* p, char expected) {
+  if (desc[*p] != expected) {
+    fprintf(stderr, "Expected '%c' in '%s' at %zd in signature\n",
+            expected, desc.substr(*p).c_str(), *p);
+    exit(1);
+  }
+
+  *p += 1;
+}
+
+// These functions form a crude recursive descent parser for descriptors and
+// signatures in class files (see JVM spec 4.3).
+//
+// This parser is a bit more liberal than the spec, but this should be fine,
+// because it accepts all valid class files and croaks only on invalid ones.
+void ParseFromClassTypeSignature(const std::string& desc, size_t* p);
+void ParseSimpleClassTypeSignature(const std::string& desc, size_t* p);
+void ParseClassTypeSignatureSuffix(const std::string& desc, size_t* p);
+void ParseIdentifier(const std::string& desc, size_t* p);
+void ParseTypeArgumentsOpt(const std::string& desc, size_t* p);
+void ParseMethodDescriptor(const std::string& desc, size_t* p);
+
+void ParseClassTypeSignature(const std::string& desc, size_t* p) {
+  Expect(desc, p, 'L');
+  ParseSimpleClassTypeSignature(desc, p);
+  ParseClassTypeSignatureSuffix(desc, p);
+  Expect(desc, p, ';');
+}
+
+void ParseSimpleClassTypeSignature(const std::string& desc, size_t* p) {
+  ParseIdentifier(desc, p);
+  ParseTypeArgumentsOpt(desc, p);
+}
+
+void ParseClassTypeSignatureSuffix(const std::string& desc, size_t* p) {
+  while (desc[*p] == '.') {
+    *p += 1;
+    ParseSimpleClassTypeSignature(desc, p);
+  }
+}
+
+void ParseIdentifier(const std::string& desc, size_t* p) {
+  size_t next = desc.find_first_of(SIGNATURE_NON_IDENTIFIER_CHARS, *p);
+  std::string id = desc.substr(*p, next - *p);
+  used_class_names.insert(id);
+  *p = next;
+}
+
+void ParseTypeArgumentsOpt(const std::string& desc, size_t* p) {
+  if (desc[*p] != '<') {
+    return;
+  }
+
+  *p += 1;
+  while (desc[*p] != '>') {
+    switch (desc[*p]) {
+      case '*':
+        *p += 1;
+        break;
+
+      case '+':
+      case '-':
+        *p += 1;
+        ExtractClassNames(desc, p);
+        break;
+
+      default:
+        ExtractClassNames(desc, p);
+        break;
+    }
+  }
+
+  *p += 1;
+}
+
+void ParseMethodDescriptor(const std::string& desc, size_t* p) {
+  Expect(desc, p, '(');
+  while (desc[*p] != ')') {
+    ExtractClassNames(desc, p);
+  }
+
+  Expect(desc, p, ')');
+  ExtractClassNames(desc, p);
+}
+
+void ParseFormalTypeParameters(const std::string& desc, size_t* p) {
+  Expect(desc, p, '<');
+  while (desc[*p] != '>') {
+    ParseIdentifier(desc, p);
+    Expect(desc, p, ':');
+    if (desc[*p] != ':' && desc[*p] != '>') {
+      ExtractClassNames(desc, p);
+    }
+
+    while (desc[*p] == ':') {
+      Expect(desc, p, ':');
+      ExtractClassNames(desc, p);
+    }
+  }
+
+  Expect(desc, p, '>');
+}
+
+void ExtractClassNames(const std::string& desc, size_t* p) {
+  switch (desc[*p]) {
+    case '<':
+      ParseFormalTypeParameters(desc, p);
+      ExtractClassNames(desc, p);
+      break;
+
+    case 'L':
+      ParseClassTypeSignature(desc, p);
+      break;
+
+    case '[':
+      *p += 1;
+      ExtractClassNames(desc, p);
+      break;
+
+    case 'T':
+      *p += 1;
+      ParseIdentifier(desc, p);
+      Expect(desc, p, ';');
+      break;
+
+    case '(':
+      ParseMethodDescriptor(desc, p);
+      break;
+
+    case 'B':
+    case 'C':
+    case 'D':
+    case 'F':
+    case 'I':
+    case 'J':
+    case 'S':
+    case 'Z':
+    case 'V':
+      *p += 1;
+      break;
+
+    default:
+      fprintf(stderr, "Invalid signature %s\n", desc.substr(*p).c_str());
+  }
+}
+
+void ClassFile::WriteClass(u1 *&p) {
+  used_class_names.clear();
+  std::vector<Member *> members;
+  members.insert(members.end(), fields.begin(), fields.end());
+  members.insert(members.end(), methods.begin(), methods.end());
+  ExtractClassNames();
+  for (size_t i = 0; i < members.size(); i++) {
+    Member *member = members[i];
+    size_t idx = 0;
+    devtools_ijar::ExtractClassNames(member->descriptor->Display(), &idx);
+    member->ExtractClassNames();
+  }
+
+  // We have to write the body out before the header in order to reference
+  // the essential constants and populate the output constant pool:
+  u1 *body = new u1[length];
+  u1 *q = body;
+  WriteBody(q); // advances q
+  u4 body_length = q - body;
+
+  WriteHeader(p); // advances p
+  put_n(p, body, body_length);
+  delete[] body;
+}
+
+
+void StripClass(u1 *&classdata_out, const u1 *classdata_in, size_t in_length) {
+  ClassFile *clazz = ReadClass(classdata_in, in_length);
+  if (clazz == NULL) {
+    // Class is invalid. Simply copy it to the output and call it a day.
+    put_n(classdata_out, classdata_in, in_length);
+  } else {
+
+    // Constant pool item zero is a dummy entry.  Setting it marks the
+    // beginning of the output phase; calls to Constant::slot() will
+    // fail if called prior to this.
+    const_pool_out.push_back(NULL);
+    clazz->WriteClass(classdata_out);
+
+    delete clazz;
+  }
+
+  // Now clean up all the mess we left behind.
+
+  for (size_t i = 0; i < const_pool_in.size(); i++) {
+    delete const_pool_in[i];
+  }
+
+  const_pool_in.clear();
+  const_pool_out.clear();
+}
+
+}  // namespace devtools_ijar
diff --git a/tools/ijar/common.h b/tools/ijar/common.h
new file mode 100644
index 000000000..118041b85
--- /dev/null
+++ b/tools/ijar/common.h
@@ -0,0 +1,102 @@
+// Copyright 2001,2007 Alan Donovan. All rights reserved.
+//
+// Author: Alan Donovan <adonovan@google.com>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// common.h -- common definitions.
+//
+
+#ifndef INCLUDED_DEVTOOLS_IJAR_COMMON_H
+#define INCLUDED_DEVTOOLS_IJAR_COMMON_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+namespace devtools_ijar {
+
+typedef unsigned long long u8;
+typedef uint32_t u4;
+typedef uint16_t u2;
+typedef uint8_t  u1;
+
+// be = big endian, le = little endian
+
+inline u1 get_u1(const u1 *&p) {
+    return *p++;
+}
+
+inline u2 get_u2be(const u1 *&p) {
+    u4 x = (p[0] << 8) | p[1];
+    p += 2;
+    return x;
+}
+
+inline u2 get_u2le(const u1 *&p) {
+    u4 x = (p[1] << 8) | p[0];
+    p += 2;
+    return x;
+}
+
+inline u4 get_u4be(const u1 *&p) {
+    u4 x = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
+    p += 4;
+    return x;
+}
+
+inline u4 get_u4le(const u1 *&p) {
+    u4 x = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0];
+    p += 4;
+    return x;
+}
+
+inline void put_u1(u1 *&p, u1 x) {
+    *p++ = x;
+}
+
+inline void put_u2be(u1 *&p, u2 x) {
+    *p++ = x >> 8;
+    *p++ = x & 0xff;
+}
+
+inline void put_u2le(u1 *&p, u2 x) {
+    *p++ = x & 0xff;
+    *p++ = x >> 8;;
+}
+
+inline void put_u4be(u1 *&p, u4 x) {
+    *p++ = x >> 24;
+    *p++ = (x >> 16) & 0xff;
+    *p++ = (x >> 8) & 0xff;
+    *p++ = x & 0xff;
+}
+
+inline void put_u4le(u1 *&p, u4 x) {
+    *p++ = x & 0xff;
+    *p++ = (x >> 8) & 0xff;
+    *p++ = (x >> 16) & 0xff;
+    *p++ = x >> 24;
+}
+
+// Copy n bytes from src to p, and advance p.
+inline void put_n(u1 *&p, const u1 *src, size_t n) {
+  memcpy(p, src, n);
+  p += n;
+}
+
+extern bool verbose;
+
+}  // namespace devtools_ijar
+
+#endif // INCLUDED_DEVTOOLS_IJAR_COMMON_H
diff --git a/tools/ijar/ijar.cc b/tools/ijar/ijar.cc
new file mode 100644
index 000000000..1925b48ba
--- /dev/null
+++ b/tools/ijar/ijar.cc
@@ -0,0 +1,182 @@
+// Copyright 2001,2007 Alan Donovan. All rights reserved.
+//
+// Author: Alan Donovan <adonovan@google.com>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// ijar.cpp -- .jar -> _interface.jar tool.
+//
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <errno.h>
+#include <memory>
+
+#include "zip.h"
+
+namespace devtools_ijar {
+
+bool verbose = false;
+
+// Reads a JVM class from classdata_in (of the specified length), and
+// writes out a simplified class to classdata_out, advancing the
+// pointer.
+void StripClass(u1 *&classdata_out, const u1 *classdata_in, size_t in_length);
+
+const char* CLASS_EXTENSION = ".class";
+const size_t CLASS_EXTENSION_LENGTH = strlen(CLASS_EXTENSION);
+
+// ZipExtractorProcessor that select only .class file and use
+// StripClass to generate an interface class, storing as a new file
+// in the specified ZipBuilder.
+class JarStripperProcessor : public ZipExtractorProcessor {
+ public:
+  JarStripperProcessor() {}
+  virtual ~JarStripperProcessor() {}
+
+  virtual void Process(const char* filename, const u4 attr,
+                       const u1* data, const size_t size);
+  virtual bool Accept(const char* filename, const u4 attr);
+
+ private:
+  // Not owned by JarStripperProcessor, see SetZipBuilder().
+  ZipBuilder* builder;
+
+ public:
+  // Set the ZipBuilder to add the ijar class to the output zip file.
+  // This pointer should not be deleted while this class is still in use and
+  // it should be set before any call to the Process() method.
+  void SetZipBuilder(ZipBuilder* builder) {
+    this->builder = builder;
+  }
+};
+
+bool JarStripperProcessor::Accept(const char* filename, const u4) {
+  ssize_t offset = strlen(filename) - CLASS_EXTENSION_LENGTH;
+  if (offset >= 0) {
+    return strcmp(filename + offset, CLASS_EXTENSION) == 0;
+  }
+  return false;
+}
+
+void JarStripperProcessor::Process(const char* filename, const u4,
+                                   const u1* data, const size_t size) {
+  if (verbose) {
+    fprintf(stderr, "INFO: StripClass: %s\n", filename);
+  }
+  u1 *q = builder->NewFile(filename, 0);
+  u1 *classdata_out = q;
+  StripClass(q, data, size);  // actually process it
+  size_t out_length = q - classdata_out;
+  builder->FinishFile(out_length);
+}
+
+// Opens "file_in" (a .jar file) for reading, and writes an interface
+// .jar to "file_out".
+void OpenFilesAndProcessJar(const char *file_out, const char *file_in) {
+  JarStripperProcessor processor;
+  std::unique_ptr<ZipExtractor> in(ZipExtractor::Create(file_in, &processor));
+  if (in.get() == NULL) {
+    fprintf(stderr, "Unable to open Zip file %s: %s\n", file_in,
+            strerror(errno));
+    abort();
+  }
+  u8 output_length = in->CalculateOutputLength();
+  std::unique_ptr<ZipBuilder> out(ZipBuilder::Create(file_out, output_length));
+  if (out.get() == NULL) {
+    fprintf(stderr, "Unable to open output file %s: %s\n", file_out,
+            strerror(errno));
+    abort();
+  }
+  processor.SetZipBuilder(out.get());
+
+  // Process all files in the zip
+  if (in->ProcessAll() < 0) {
+    fprintf(stderr, "%s\n", in->GetError());
+    abort();
+  }
+
+  // Add dummy file, since javac doesn't like truly empty jars.
+  if (out->GetNumberFiles() == 0) {
+    out->WriteEmptyFile("dummy");
+  }
+  // Finish writing the output file
+  if (out->Finish() < 0) {
+    fprintf(stderr, "%s\n", out->GetError());
+    abort();
+  }
+  // Get all file size
+  size_t in_length = in->GetSize();
+  size_t out_length = out->GetSize();
+  if (verbose) {
+    fprintf(stderr, "INFO: produced interface jar: %s -> %s (%d%%).\n",
+            file_in, file_out,
+            static_cast<int>(100.0 * out_length / in_length));
+  }
+}
+
+}  // namespace devtools_ijar
+
+//
+// main method
+//
+static void usage() {
+  fprintf(stderr, "Usage: ijar [-v] x.jar [x_interface.jar>]\n");
+  fprintf(stderr, "Creates an interface jar from the specified jar file.\n");
+  exit(1);
+}
+
+int main(int argc, char **argv) {
+  const char *filename_in = NULL;
+  const char *filename_out = NULL;
+
+  for (int ii = 1; ii < argc; ++ii) {
+    if (strcmp(argv[ii], "-v") == 0) {
+      devtools_ijar::verbose = true;
+    } else if (filename_in == NULL) {
+      filename_in = argv[ii];
+    } else if (filename_out == NULL) {
+      filename_out = argv[ii];
+    } else {
+      usage();
+    }
+  }
+
+  if (filename_in == NULL) {
+    usage();
+  }
+
+  // Guess output filename from input:
+  char filename_out_buf[PATH_MAX];
+  if (filename_out == NULL) {
+    size_t len = strlen(filename_in);
+    if (len > 4 && strncmp(filename_in + len - 4, ".jar", 4) == 0) {
+      strcpy(filename_out_buf, filename_in);
+      strcpy(filename_out_buf + len - 4, "-interface.jar");
+      filename_out = filename_out_buf;
+    } else {
+      fprintf(stderr, "Can't determine output filename since input filename "
+              "doesn't end with '.jar'.\n");
+      return 1;
+    }
+  }
+
+  if (devtools_ijar::verbose) {
+    fprintf(stderr, "INFO: writing to '%s'.\n", filename_out);
+  }
+
+  devtools_ijar::OpenFilesAndProcessJar(filename_out, filename_in);
+  return 0;
+}
diff --git a/tools/ijar/zip.cc b/tools/ijar/zip.cc
new file mode 100644
index 000000000..ca5f39670
--- /dev/null
+++ b/tools/ijar/zip.cc
@@ -0,0 +1,1031 @@
+// Copyright 2007 Alan Donovan. All rights reserved.
+//
+// Author: Alan Donovan <adonovan@google.com>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// zip.cc -- .zip (.jar) file reading/writing routines.
+//
+
+// See README.txt for details.
+//
+// See http://www.pkware.com/documents/casestudies/APPNOTE.TXT
+// for definition of PKZIP file format.
+
+#define _FILE_OFFSET_BITS 64  // Support zip files larger than 2GB
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <limits.h>
+#include <limits>
+#include <vector>
+
+#include "zip.h"
+#include <zlib.h>
+
+#define LOCAL_FILE_HEADER_SIGNATURE           0x04034b50
+#define CENTRAL_FILE_HEADER_SIGNATURE         0x02014b50
+#define END_OF_CENTRAL_DIR_SIGNATURE          0x06054b50
+#define DATA_DESCRIPTOR_SIGNATURE             0x08074b50
+
+// version to extract: 1.0 - default value from APPNOTE.TXT.
+// Output JAR files contain no extra ZIP features, so this is enough.
+#define ZIP_VERSION_TO_EXTRACT                10
+#define COMPRESSION_METHOD_STORED             0   // no compression
+#define COMPRESSION_METHOD_DEFLATED           8
+
+#define GENERAL_PURPOSE_BIT_FLAG_COMPRESSED (1 << 3)
+#define GENERAL_PURPOSE_BIT_FLAG_UTF8_ENCODED (1 << 11)
+#define GENERAL_PURPOSE_BIT_FLAG_COMPRESSION_SPEED ((1 << 2) | (1 << 1))
+#define GENERAL_PURPOSE_BIT_FLAG_SUPPORTED \
+  (GENERAL_PURPOSE_BIT_FLAG_COMPRESSED \
+  | GENERAL_PURPOSE_BIT_FLAG_UTF8_ENCODED \
+  | GENERAL_PURPOSE_BIT_FLAG_COMPRESSION_SPEED)
+
+namespace devtools_ijar {
+// In the absence of ZIP64 support, zip files are limited to 4GB.
+// http://www.info-zip.org/FAQ.html#limits
+static const u8 kMaximumOutputSize = std::numeric_limits<uint32_t>::max();
+
+static bool ProcessCentralDirEntry(const u1 *&p,
+                                   size_t *compressed_size,
+                                   size_t *uncompressed_size,
+                                   char *filename,
+                                   size_t filename_size,
+                                   u4 *attr,
+                                   u4 *offset);
+
+//
+// A class representing a ZipFile for reading. Its public API is exposed
+// using the ZipExtractor abstract class.
+//
+class InputZipFile : public ZipExtractor {
+ public:
+  InputZipFile(ZipExtractorProcessor *processor, int fd, off_t in_length,
+               off_t in_offset, const u1* zipdata_in, const u1* central_dir);
+  virtual ~InputZipFile();
+
+  virtual const char* GetError() {
+    if (errmsg[0] == 0) {
+      return NULL;
+    }
+    return errmsg;
+  }
+
+  virtual bool ProcessNext();
+  virtual void Reset();
+  virtual size_t GetSize() {
+    return in_length_;
+  }
+
+  virtual u8 CalculateOutputLength();
+
+ private:
+  ZipExtractorProcessor *processor;
+
+  int fd_in;  // Input file descripor
+
+  // InputZipFile is responsible for maintaining the following
+  // pointers. They are allocated by the Create() method before
+  // the object is actually created using mmap.
+  const u1 * const zipdata_in_;   // start of input file mmap
+  const u1 * zipdata_in_mapped_;  // start of still mapped region
+  const u1 * const central_dir_;  // central directory in input file
+
+  size_t in_length_;  // size of the input file
+  size_t in_offset_;  // offset  the input file
+
+  const u1 *p;  // input cursor
+
+  const u1* central_dir_current_;  // central dir input cursor
+
+  // Buffer size is initially INITIAL_BUFFER_SIZE. It doubles in size every
+  // time it is found too small, until it reaches MAX_BUFFER_SIZE. If that is
+  // not enough, we bail out. We only decompress class files, so they should
+  // be smaller than 64K anyway, but we give a little leeway.
+  // MAX_BUFFER_SIZE must be bigger than the size of the biggest file in the
+  // ZIP. It is set to 128M here so we can uncompress the Bazel server with
+  // this library.
+  static const size_t INITIAL_BUFFER_SIZE = 256 * 1024;  // 256K
+  static const size_t MAX_BUFFER_SIZE = 128 * 1024 * 1024;
+  static const size_t MAX_MAPPED_REGION = 32 * 1024 * 1024;
+
+  // These metadata fields are the fields of the ZIP header of the file being
+  // processed.
+  u2 extract_version_;
+  u2 general_purpose_bit_flag_;
+  u2 compression_method_;
+  u4 uncompressed_size_;
+  u4 compressed_size_;
+  u2 file_name_length_;
+  u2 extra_field_length_;
+  const u1 *file_name_;
+  const u1 *extra_field_;
+
+  // Administration of memory reserved for decompressed data. We use the same
+  // buffer for each file to avoid some malloc()/free() calls and free the
+  // memory only in the dtor. C-style memory management is used so that we
+  // can call realloc.
+  u1 *uncompressed_data_;
+  size_t uncompressed_data_allocated_;
+
+  // Copy of the last filename entry - Null-terminated.
+  char filename[PATH_MAX];
+  // The external file attribute field
+  u4 attr;
+
+  // last error
+  char errmsg[4*PATH_MAX];
+
+  int error(const char *fmt, ...) {
+    va_list ap;
+    va_start(ap, fmt);
+    vsnprintf(errmsg, 4*PATH_MAX, fmt, ap);
+    va_end(ap);
+    return -1;
+  }
+
+  // Check that at least n bytes remain in the input file, otherwise
+  // abort with an error message.  "state" is the name of the field
+  // we're about to read, for diagnostics.
+  int EnsureRemaining(size_t n, const char *state) {
+    size_t in_offset = p - zipdata_in_;
+    size_t remaining = in_length_ - in_offset;
+    if (n > remaining) {
+      return error("Premature end of file (at offset %zd, state=%s); "
+                   "expected %zd more bytes but found %zd.\n",
+                   in_offset, state, n, remaining);
+    }
+    return 0;
+  }
+
+  // Read one entry from input zip file
+  int ProcessLocalFileEntry(size_t compressed_size, size_t uncompressed_size);
+
+  // Uncompress a file from the archive using zlib. The pointer returned
+  // is owned by InputZipFile, so it must not be freed. Advances the input
+  // cursor to the first byte after the compressed data.
+  u1* UncompressFile();
+
+  // Skip a file
+  int SkipFile(const bool compressed);
+
+  // Process a file
+  int ProcessFile(const bool compressed);
+};
+
+//
+// A class implementing ZipBuilder that represent an open zip file for writing.
+//
+class OutputZipFile : public ZipBuilder {
+ public:
+  OutputZipFile(int fd, u1 * const zipdata_out) :
+      fd_out(fd),
+      zipdata_out_(zipdata_out),
+      q(zipdata_out) {
+    errmsg[0] = 0;
+  }
+
+  virtual const char* GetError() {
+    if (errmsg[0] == 0) {
+      return NULL;
+    }
+    return errmsg;
+  }
+
+  virtual ~OutputZipFile() { Finish(); }
+  virtual u1* NewFile(const char* filename, const u4 attr);
+  virtual int FinishFile(size_t filelength, bool compress = false,
+                         bool compute_crc = false);
+  virtual int WriteEmptyFile(const char *filename);
+  virtual size_t GetSize() {
+    return Offset(q);
+  }
+  virtual int GetNumberFiles() {
+    return entries_.size();
+  }
+  virtual int Finish();
+
+ private:
+  struct LocalFileEntry {
+    // Start of the local header (in the output buffer).
+    size_t local_header_offset;
+
+    // Sizes of the file entry
+    size_t uncompressed_length;
+    size_t compressed_length;
+
+    // Compression method
+    u2 compression_method;
+
+    // CRC32
+    u4 crc32;
+
+    // external attributes field
+    u4 external_attr;
+
+    // Start/length of the file_name in the local header.
+    u1 *file_name;
+    u2 file_name_length;
+
+    // Start/length of the extra_field in the local header.
+    const u1 *extra_field;
+    u2 extra_field_length;
+  };
+
+  int fd_out;  // file descriptor for the output file
+
+  // OutputZipFile is responsible for maintaining the following
+  // pointers. They are allocated by the Create() method before
+  // the object is actually created using mmap.
+  u1 * const zipdata_out_;        // start of output file mmap
+  u1 *q;  // output cursor
+
+  u1 *header_ptr;  // Current pointer to "compression method" entry.
+
+  // List of entries to write the central directory
+  std::vector<LocalFileEntry*> entries_;
+
+  // last error
+  char errmsg[4*PATH_MAX];
+
+  int error(const char *fmt, ...) {
+    va_list ap;
+    va_start(ap, fmt);
+    vsnprintf(errmsg, 4*PATH_MAX, fmt, ap);
+    va_end(ap);
+    return -1;
+  }
+
+  // Write the ZIP central directory structure for each local file
+  // entry in "entries".
+  void WriteCentralDirectory();
+
+  // Returns the offset of the pointer relative to the start of the
+  // output zip file.
+  size_t Offset(const u1 *const x) {
+    return x - zipdata_out_;
+  }
+
+  // Write ZIP file header in the output. Since the compressed size is not
+  // known in advance, it must be recorded later. This method returns a pointer
+  // to "compressed size" in the file header that should be passed to
+  // WriteFileSizeInLocalFileHeader() later.
+  u1* WriteLocalFileHeader(const char *filename, const u4 attr);
+
+  // Fill in the "compressed size" and "uncompressed size" fields in a local
+  // file header previously written by WriteLocalFileHeader().
+  size_t WriteFileSizeInLocalFileHeader(u1 *header_ptr,
+                                        size_t out_length,
+                                        bool compress = false,
+                                        const u4 crc = 0);
+};
+
+//
+// Implementation of InputZipFile
+//
+bool InputZipFile::ProcessNext() {
+  // Process the next entry in the central directory. Also make sure that the
+  // content pointer is in sync.
+  size_t compressed, uncompressed;
+  u4 offset;
+  if (!ProcessCentralDirEntry(central_dir_current_, &compressed, &uncompressed,
+                              filename, PATH_MAX, &attr, &offset)) {
+    return false;
+  }
+
+  // There might be an offset specified in the central directory that does
+  // not match the file offset, if so, correct the pointer.
+  if (offset != 0 && (p != (zipdata_in_ + in_offset_ + offset))) {
+    p = zipdata_in_ + offset;
+  }
+
+  if (EnsureRemaining(4, "signature") < 0) {
+    return false;
+  }
+  u4 signature = get_u4le(p);
+  if (signature == LOCAL_FILE_HEADER_SIGNATURE) {
+    if (ProcessLocalFileEntry(compressed, uncompressed) < 0) {
+      return false;
+    }
+  } else {
+    error("local file header signature for file %s not found\n", filename);
+    return false;
+  }
+
+  return true;
+}
+
+int InputZipFile::ProcessLocalFileEntry(
+    size_t compressed_size, size_t uncompressed_size) {
+  if (EnsureRemaining(26, "extract_version") < 0) {
+    return -1;
+  }
+  extract_version_ = get_u2le(p);
+  general_purpose_bit_flag_ = get_u2le(p);
+
+  if ((general_purpose_bit_flag_ & ~GENERAL_PURPOSE_BIT_FLAG_SUPPORTED) != 0) {
+    return error("Unsupported value (0x%04x) in general purpose bit flag.\n",
+                 general_purpose_bit_flag_);
+  }
+
+  compression_method_ = get_u2le(p);
+
+  if (compression_method_ != COMPRESSION_METHOD_DEFLATED &&
+      compression_method_ != COMPRESSION_METHOD_STORED) {
+    return error("Unsupported compression method (%d).\n",
+                 compression_method_);
+  }
+
+  // skip over: last_mod_file_time, last_mod_file_date, crc32
+  p += 2 + 2 + 4;
+  compressed_size_ = get_u4le(p);
+  uncompressed_size_ = get_u4le(p);
+  file_name_length_ = get_u2le(p);
+  extra_field_length_ = get_u2le(p);
+
+  if (EnsureRemaining(file_name_length_, "file_name") < 0) {
+    return -1;
+  }
+  file_name_ = p;
+  p += file_name_length_;
+
+  if (EnsureRemaining(extra_field_length_, "extra_field") < 0) {
+    return -1;
+  }
+  extra_field_ = p;
+  p += extra_field_length_;
+
+  bool is_compressed = compression_method_ == COMPRESSION_METHOD_DEFLATED;
+
+  // If the zip is compressed, compressed and uncompressed size members are
+  // zero in the local file header. If not, check that they are the same as the
+  // lengths from the central directory, otherwise, just believe the central
+  // directory
+  if (compressed_size_ == 0) {
+    compressed_size_ = compressed_size;
+  } else {
+    if (compressed_size_ != compressed_size) {
+      return error("central directory and file header inconsistent\n");
+    }
+  }
+
+  if (uncompressed_size_ == 0) {
+    uncompressed_size_ = uncompressed_size;
+  } else {
+    if (uncompressed_size_ != uncompressed_size) {
+      return error("central directory and file header inconsistent\n");
+    }
+  }
+
+  if (processor->Accept(filename, attr)) {
+    if (ProcessFile(is_compressed) < 0) {
+      return -1;
+    }
+  } else {
+    if (SkipFile(is_compressed) < 0) {
+      return -1;
+    }
+  }
+
+  if (general_purpose_bit_flag_ & GENERAL_PURPOSE_BIT_FLAG_COMPRESSED) {
+    // Skip the data descriptor. Some implementations do not put the signature
+    // here, so check if the next 4 bytes are a signature, and if so, skip the
+    // next 12 bytes (for CRC, compressed/uncompressed size), otherwise skip
+    // the next 8 bytes (because the value just read was the CRC).
+    u4 signature = get_u4le(p);
+    if (signature == DATA_DESCRIPTOR_SIGNATURE) {
+      p += 4 * 3;
+    } else {
+      p += 4 * 2;
+    }
+  }
+
+  if (p > zipdata_in_mapped_ + MAX_MAPPED_REGION) {
+    munmap(const_cast<u1 *>(zipdata_in_mapped_), MAX_MAPPED_REGION);
+    zipdata_in_mapped_ += MAX_MAPPED_REGION;
+  }
+
+  return 0;
+}
+
+int InputZipFile::SkipFile(const bool compressed) {
+  if (!compressed) {
+    // In this case, compressed_size_ == uncompressed_size_ (since the file is
+    // uncompressed), so we can use either.
+    if (compressed_size_ != uncompressed_size_) {
+      return error("compressed size != uncompressed size, although the file "
+                   "is uncompressed.\n");
+    }
+  }
+
+  if (EnsureRemaining(compressed_size_, "file_data") < 0) {
+    return -1;
+  }
+  p += compressed_size_;
+  return 0;
+}
+
+u1* InputZipFile::UncompressFile() {
+  size_t in_offset = p - zipdata_in_;
+  size_t remaining = in_length_ - in_offset;
+  z_stream stream;
+
+  stream.zalloc = Z_NULL;
+  stream.zfree = Z_NULL;
+  stream.opaque = Z_NULL;
+  stream.avail_in = remaining;
+  stream.next_in = (Bytef *) p;
+
+  int ret = inflateInit2(&stream, -MAX_WBITS);
+  if (ret != Z_OK) {
+    error("inflateInit: %d\n", ret);
+    return NULL;
+  }
+
+  int uncompressed_until_now = 0;
+
+  while (true) {
+    stream.avail_out = uncompressed_data_allocated_ - uncompressed_until_now;
+    stream.next_out = uncompressed_data_ + uncompressed_until_now;
+    int old_avail_out = stream.avail_out;
+
+    ret = inflate(&stream, Z_SYNC_FLUSH);
+    int uncompressed_now = old_avail_out - stream.avail_out;
+    uncompressed_until_now += uncompressed_now;
+
+    switch (ret) {
+      case Z_STREAM_END: {
+        // zlib said that there is no more data to decompress.
+
+        u1 *new_p = reinterpret_cast<u1*>(stream.next_in);
+        compressed_size_ = new_p - p;
+        uncompressed_size_ = uncompressed_until_now;
+        p = new_p;
+        inflateEnd(&stream);
+        return uncompressed_data_;
+      }
+
+      case Z_OK: {
+        // zlib said that there is no more room in the buffer allocated for
+        // the decompressed data. Enlarge that buffer and try again.
+
+        if (uncompressed_data_allocated_ == MAX_BUFFER_SIZE) {
+          error("ijar does not support decompressing files "
+                "larger than %dMB.\n",
+                (int) (MAX_BUFFER_SIZE/(1024*1024)));
+          return NULL;
+        }
+
+        uncompressed_data_allocated_ *= 2;
+        if (uncompressed_data_allocated_ > MAX_BUFFER_SIZE) {
+          uncompressed_data_allocated_ = MAX_BUFFER_SIZE;
+        }
+
+        uncompressed_data_ = reinterpret_cast<u1*>(
+            realloc(uncompressed_data_, uncompressed_data_allocated_));
+        break;
+      }
+
+      case Z_DATA_ERROR:
+      case Z_BUF_ERROR:
+      case Z_STREAM_ERROR:
+      case Z_NEED_DICT:
+      default: {
+        error("zlib returned error code %d during inflate.\n", ret);
+        return NULL;
+      }
+    }
+  }
+}
+
+int InputZipFile::ProcessFile(const bool compressed) {
+  const u1 *file_data;
+  if (compressed) {
+    file_data = UncompressFile();
+    if (file_data == NULL) {
+      return -1;
+    }
+  } else {
+    // In this case, compressed_size_ == uncompressed_size_ (since the file is
+    // uncompressed), so we can use either.
+    if (compressed_size_ != uncompressed_size_) {
+      return error("compressed size != uncompressed size, although the file "
+                   "is uncompressed.\n");
+    }
+
+    if (EnsureRemaining(compressed_size_, "file_data") < 0) {
+      return -1;
+    }
+    file_data = p;
+    p += compressed_size_;
+  }
+  processor->Process(filename, attr, file_data, uncompressed_size_);
+  return 0;
+}
+
+
+// Reads and returns some metadata of the next file from the central directory:
+// - compressed size
+// - uncompressed size
+// - whether the entry is a class file (to be included in the output).
+// Precondition: p points to the beginning of an entry in the central dir
+// Postcondition: p points to the beginning of the next entry in the central dir
+// Returns true if the central directory contains another file and false if not.
+// Of course, in the latter case, the size output variables are not changed.
+// Note that the central directory is always followed by another data structure
+// that has a signature, so parsing it this way is safe.
+static bool ProcessCentralDirEntry(
+    const u1 *&p, size_t *compressed_size, size_t *uncompressed_size,
+    char *filename, size_t filename_size, u4 *attr, u4 *offset) {
+  u4 signature = get_u4le(p);
+  if (signature != CENTRAL_FILE_HEADER_SIGNATURE) {
+    return false;
+  }
+
+  p += 16;  // skip to 'compressed size' field
+  *compressed_size = get_u4le(p);
+  *uncompressed_size = get_u4le(p);
+  u2 file_name_length = get_u2le(p);
+  u2 extra_field_length = get_u2le(p);
+  u2 file_comment_length = get_u2le(p);
+  p += 4;  // skip to external file attributes field
+  *attr = get_u4le(p);
+  *offset = get_u4le(p);
+  {
+    size_t len = (file_name_length < filename_size)
+      ? file_name_length
+      : (filename_size - 1);
+    memcpy(reinterpret_cast<void*>(filename), p, len);
+    filename[len] = 0;
+  }
+  p += file_name_length;
+  p += extra_field_length;
+  p += file_comment_length;
+  return true;
+}
+
+// Gives a maximum bound on the size of the interface JAR. Basically, adds
+// the difference between the compressed and uncompressed sizes to the size
+// of the input file.
+u8 InputZipFile::CalculateOutputLength() {
+  const u1* current = central_dir_;
+
+  u8 compressed_size = 0;
+  u8 uncompressed_size = 0;
+  u8 skipped_compressed_size = 0;
+  u4 attr;
+  u4 offset;
+  char filename[PATH_MAX];
+
+  while (true) {
+    size_t file_compressed, file_uncompressed;
+    if (!ProcessCentralDirEntry(current,
+                                &file_compressed, &file_uncompressed,
+                                filename, PATH_MAX, &attr, &offset)) {
+      break;
+    }
+
+    if (processor->Accept(filename, attr)) {
+      compressed_size += (u8) file_compressed;
+      uncompressed_size += (u8) file_uncompressed;
+    } else {
+      skipped_compressed_size += file_compressed;
+    }
+  }
+
+  // The worst case is when the output is simply the input uncompressed. The
+  // metadata in the zip file will stay the same, so the file will grow by the
+  // difference between the compressed and uncompressed sizes.
+  return (u8) in_length_ - skipped_compressed_size
+      + (uncompressed_size - compressed_size);
+}
+
+// Given the data in the zip file, returns the offset of the central directory
+// and the number of files contained in it.
+bool FindZipCentralDirectory(const u1* bytes, size_t in_length,
+                             u4* offset, const u1** central_dir) {
+  static const int MAX_COMMENT_LENGTH = 0xffff;
+  static const int CENTRAL_DIR_LOCATOR_SIZE = 22;
+  // Maximum distance of start of central dir locator from end of file
+  static const int MAX_DELTA = MAX_COMMENT_LENGTH + CENTRAL_DIR_LOCATOR_SIZE;
+  const u1* last_pos_to_check = in_length < MAX_DELTA
+      ? bytes
+      : bytes + (in_length - MAX_DELTA);
+  const u1* current;
+  bool found = false;
+
+  for (current = bytes + in_length - CENTRAL_DIR_LOCATOR_SIZE;
+       current >= last_pos_to_check;
+       current-- ) {
+    const u1* p = current;
+    if (get_u4le(p) != END_OF_CENTRAL_DIR_SIGNATURE) {
+      continue;
+    }
+
+    p += 16;  // skip to comment length field
+    u2 comment_length = get_u2le(p);
+
+    // Does the comment go exactly till the end of the file?
+    if (current + comment_length + CENTRAL_DIR_LOCATOR_SIZE
+        != bytes + in_length) {
+      continue;
+    }
+
+    // Hooray, we found it!
+    found = true;
+    break;
+  }
+
+  if (!found) {
+    fprintf(stderr, "file is invalid or corrupted (missing end of central "
+                    "directory record)\n");
+    return false;
+  }
+
+  const u1* end_of_central_dir = current;
+  get_u4le(current);  // central directory locator signature, already checked
+  u2 number_of_this_disk = get_u2le(current);
+  u2 disk_with_central_dir = get_u2le(current);
+  u2 central_dir_entries_on_this_disk = get_u2le(current);
+  u2 central_dir_entries = get_u2le(current);
+  u4 central_dir_size = get_u4le(current);
+  u4 central_dir_offset = get_u4le(current);
+  u2 file_comment_length = get_u2le(current);
+  current += file_comment_length;  // set current to the end of the central dir
+
+  if (number_of_this_disk != 0
+    || disk_with_central_dir != 0
+    || central_dir_entries_on_this_disk != central_dir_entries) {
+    fprintf(stderr, "multi-disk JAR files are not supported\n");
+    return false;
+  }
+
+  // Do not change output values before determining that they are OK.
+  *offset = central_dir_offset;
+  // Central directory start can then be used to determine the actual
+  // starts of the zip file (which can be different in case of a non-zip
+  // header like for auto-extractable binaries).
+  *central_dir = end_of_central_dir - central_dir_size;
+  return true;
+}
+
+void InputZipFile::Reset() {
+  central_dir_current_ = central_dir_;
+  zipdata_in_mapped_ = zipdata_in_;
+  p = zipdata_in_ + in_offset_;
+}
+
+int ZipExtractor::ProcessAll() {
+  while (ProcessNext()) {}
+  if (GetError() != NULL) {
+    return -1;
+  }
+  return 0;
+}
+
+ZipExtractor* ZipExtractor::Create(const char* filename,
+                                   ZipExtractorProcessor *processor) {
+  int fd_in = open(filename, O_RDONLY);
+  if (fd_in < 0) {
+    return NULL;
+  }
+
+  off_t length = lseek(fd_in, 0, SEEK_END);
+  if (length < 0) {
+    return NULL;
+  }
+
+  void *zipdata_in = mmap(NULL, length, PROT_READ, MAP_PRIVATE, fd_in, 0);
+  if (zipdata_in == MAP_FAILED) {
+    return NULL;
+  }
+
+  u4 central_dir_offset;
+  const u1 *central_dir = NULL;
+
+  if (!devtools_ijar::FindZipCentralDirectory(
+          static_cast<const u1*>(zipdata_in), length,
+          &central_dir_offset, &central_dir)) {
+    errno = EIO;  // we don't really have a good error number
+    return NULL;
+  }
+  const u1 *zipdata_start = static_cast<const u1*>(zipdata_in);
+  off_t offset = - static_cast<off_t>(zipdata_start
+                                      + central_dir_offset
+                                      - central_dir);
+
+  return new InputZipFile(processor, fd_in, length, offset,
+                          zipdata_start, central_dir);
+}
+
+InputZipFile::InputZipFile(ZipExtractorProcessor *processor, int fd,
+                           off_t in_length, off_t in_offset,
+                           const u1* zipdata_in, const u1* central_dir)
+  : processor(processor), fd_in(fd),
+    zipdata_in_(zipdata_in), zipdata_in_mapped_(zipdata_in),
+    central_dir_(central_dir), in_length_(in_length), in_offset_(in_offset),
+    p(zipdata_in + in_offset), central_dir_current_(central_dir) {
+  uncompressed_data_allocated_ = INITIAL_BUFFER_SIZE;
+  uncompressed_data_ =
+    reinterpret_cast<u1*>(malloc(uncompressed_data_allocated_));
+  errmsg[0] = 0;
+}
+
+InputZipFile::~InputZipFile() {
+  free(uncompressed_data_);
+  close(fd_in);
+}
+
+
+//
+// Implementation of OutputZipFile
+//
+int OutputZipFile::WriteEmptyFile(const char *filename) {
+  const u1* file_name = (const u1*) filename;
+  size_t file_name_length = strlen(filename);
+
+  LocalFileEntry *entry = new LocalFileEntry;
+  entry->local_header_offset = Offset(q);
+  entry->external_attr = 0;
+  entry->crc32 = 0;
+
+  // Output the ZIP local_file_header:
+  put_u4le(q, LOCAL_FILE_HEADER_SIGNATURE);
+  put_u2le(q, 10);  // extract_version
+  put_u2le(q, 0);  // general_purpose_bit_flag
+  put_u2le(q, 0);  // compression_method
+  put_u2le(q, 0);  // last_mod_file_time
+  put_u2le(q, 0);  // last_mod_file_date
+  put_u4le(q, entry->crc32);  // crc32
+  put_u4le(q, 0);  // compressed_size
+  put_u4le(q, 0);  // uncompressed_size
+  put_u2le(q, file_name_length);
+  put_u2le(q, 0);  // extra_field_length
+  put_n(q, file_name, file_name_length);
+
+  entry->file_name_length = file_name_length;
+  entry->extra_field_length = 0;
+  entry->compressed_length = 0;
+  entry->uncompressed_length = 0;
+  entry->compression_method = 0;
+  entry->extra_field = (const u1 *)"";
+  entry->file_name = (u1*) strdup((const char *) file_name);
+  entries_.push_back(entry);
+
+  return 0;
+}
+
+void OutputZipFile::WriteCentralDirectory() {
+  // central directory:
+  const u1 *central_directory_start = q;
+  for (size_t ii = 0; ii < entries_.size(); ++ii) {
+    LocalFileEntry *entry = entries_[ii];
+    put_u4le(q, CENTRAL_FILE_HEADER_SIGNATURE);
+    put_u2le(q, 0);  // version made by
+
+    put_u2le(q, ZIP_VERSION_TO_EXTRACT);  // version to extract
+    put_u2le(q, 0);  // general purpose bit flag
+    put_u2le(q, entry->compression_method);  // compression method:
+    put_u2le(q, 0);                          // last_mod_file_time
+    put_u2le(q, 0);  // last_mod_file_date
+    put_u4le(q, entry->crc32);  // crc32
+    put_u4le(q, entry->compressed_length);    // compressed_size
+    put_u4le(q, entry->uncompressed_length);  // uncompressed_size
+    put_u2le(q, entry->file_name_length);
+    put_u2le(q, entry->extra_field_length);
+
+    put_u2le(q, 0);  // file comment length
+    put_u2le(q, 0);  // disk number start
+    put_u2le(q, 0);  // internal file attributes
+    put_u4le(q, entry->external_attr);  // external file attributes
+    // relative offset of local header:
+    put_u4le(q, entry->local_header_offset);
+
+    put_n(q, entry->file_name, entry->file_name_length);
+    put_n(q, entry->extra_field, entry->extra_field_length);
+  }
+  u4 central_directory_size = q - central_directory_start;
+
+  put_u4le(q, END_OF_CENTRAL_DIR_SIGNATURE);
+  put_u2le(q, 0);  // number of this disk
+  put_u2le(q, 0);  // number of the disk with the start of the central directory
+  put_u2le(q, entries_.size());  // # central dir entries on this disk
+  put_u2le(q, entries_.size());  // total # entries in the central directory
+  put_u4le(q, central_directory_size);  // size of the central directory
+  put_u4le(q, Offset(central_directory_start));  // offset of start of central
+                                                 // directory wrt starting disk
+  put_u2le(q, 0);  // .ZIP file comment length
+}
+
+u1* OutputZipFile::WriteLocalFileHeader(const char* filename, const u4 attr) {
+  off_t file_name_length_ = strlen(filename);
+  LocalFileEntry *entry = new LocalFileEntry;
+  entry->local_header_offset = Offset(q);
+  entry->file_name_length = file_name_length_;
+  entry->file_name = new u1[file_name_length_];
+  entry->external_attr = attr;
+  memcpy(entry->file_name, filename, file_name_length_);
+  entry->extra_field_length = 0;
+  entry->extra_field = (const u1 *)"";
+
+  // Output the ZIP local_file_header:
+  put_u4le(q, LOCAL_FILE_HEADER_SIGNATURE);
+  put_u2le(q, ZIP_VERSION_TO_EXTRACT);     // version to extract
+  put_u2le(q, 0);                          // general purpose bit flag
+  u1 *header_ptr = q;
+  put_u2le(q, COMPRESSION_METHOD_STORED);  // compression method = placeholder
+  put_u2le(q, 0);                          // last_mod_file_time
+  put_u2le(q, 0);                          // last_mod_file_date
+  put_u4le(q, entry->crc32);               // crc32
+  put_u4le(q, 0);  // compressed_size = placeholder
+  put_u4le(q, 0);  // uncompressed_size = placeholder
+  put_u2le(q, entry->file_name_length);
+  put_u2le(q, entry->extra_field_length);
+
+  put_n(q, entry->file_name, entry->file_name_length);
+  put_n(q, entry->extra_field, entry->extra_field_length);
+  entries_.push_back(entry);
+
+  return header_ptr;
+}
+
+// Try to compress a file entry in memory using the deflate algorithm.
+// It will compress buf (of size length) unless the compressed size is bigger
+// than the input size. The result will overwrite the content of buf and the
+// final size is returned.
+size_t TryDeflate(u1 *buf, size_t length) {
+  u1 *outbuf = reinterpret_cast<u1 *>(malloc(length));
+  z_stream stream;
+
+  // Initialize the z_stream strcut for reading from buf and wrinting in outbuf.
+  stream.zalloc = Z_NULL;
+  stream.zfree = Z_NULL;
+  stream.opaque = Z_NULL;
+  stream.total_in = length;
+  stream.avail_in = length;
+  stream.total_out = length;
+  stream.avail_out = length;
+  stream.next_in = buf;
+  stream.next_out = outbuf;
+
+  // deflateInit2 negative windows size prevent the zlib wrapper to be used.
+  if (deflateInit2(&stream, Z_DEFAULT_COMPRESSION, Z_DEFLATED,
+                  -MAX_WBITS, 8, Z_DEFAULT_STRATEGY) != Z_OK) {
+    // Failure to compress => return the buffer uncompressed
+    free(outbuf);
+    return length;
+  }
+
+  if (deflate(&stream, Z_FINISH) == Z_STREAM_END) {
+    // Compression successful and fits in outbuf, let's copy the result in buf.
+    length = stream.total_out;
+    memcpy(buf, outbuf, length);
+  }
+
+  deflateEnd(&stream);
+  free(outbuf);
+
+  // Return the length of the resulting buffer
+  return length;
+}
+
+size_t OutputZipFile::WriteFileSizeInLocalFileHeader(u1 *header_ptr,
+                                                     size_t out_length,
+                                                     bool compress,
+                                                     const u4 crc) {
+  size_t compressed_size = out_length;
+  if (compress) {
+    compressed_size = TryDeflate(q, out_length);
+  }
+  // compression method
+  if (compressed_size < out_length) {
+    put_u2le(header_ptr, COMPRESSION_METHOD_DEFLATED);
+  } else {
+    put_u2le(header_ptr, COMPRESSION_METHOD_STORED);
+  }
+  header_ptr += 4;
+  put_u4le(header_ptr, crc);              // crc32
+  put_u4le(header_ptr, compressed_size);  // compressed_size
+  put_u4le(header_ptr, out_length);       // uncompressed_size
+  return compressed_size;
+}
+
+int OutputZipFile::Finish() {
+  if (fd_out > 0) {
+    WriteCentralDirectory();
+    if (ftruncate(fd_out, GetSize()) < 0) {
+      return error("ftruncate(fd_out, GetSize()): %s", strerror(errno));
+    }
+    if (close(fd_out) < 0) {
+      return error("close(fd_out): %s", strerror(errno));
+    }
+    fd_out = -1;
+  }
+  return 0;
+}
+
+u1* OutputZipFile::NewFile(const char* filename, const u4 attr) {
+  header_ptr = WriteLocalFileHeader(filename, attr);
+  return q;
+}
+
+int OutputZipFile::FinishFile(size_t filelength, bool compress,
+                              bool compute_crc) {
+  u4 crc = 0;
+  if (compute_crc) {
+    crc = crc32(crc, q, filelength);
+  }
+  size_t compressed_size =
+      WriteFileSizeInLocalFileHeader(header_ptr, filelength, compress, crc);
+  entries_.back()->crc32 = crc;
+  entries_.back()->compressed_length = compressed_size;
+  entries_.back()->uncompressed_length = filelength;
+  if (compressed_size < filelength) {
+    entries_.back()->compression_method = COMPRESSION_METHOD_DEFLATED;
+  } else {
+    entries_.back()->compression_method = COMPRESSION_METHOD_STORED;
+  }
+  q += compressed_size;
+  return 0;
+}
+
+ZipBuilder* ZipBuilder::Create(const char* zip_file, u8 estimated_size) {
+  if (estimated_size > kMaximumOutputSize) {
+    fprintf(stderr,
+            "Uncompressed input jar has size %llu, "
+            "which exceeds the maximum supported output size %llu.\n"
+            "Assuming that ijar will be smaller and hoping for the best.\n",
+            estimated_size, kMaximumOutputSize);
+    estimated_size = kMaximumOutputSize;
+  }
+
+  int fd_out = open(zip_file, O_CREAT|O_RDWR|O_TRUNC, 0644);
+  if (fd_out < 0) {
+    return NULL;
+  }
+
+  // Create mmap-able sparse file
+  if (ftruncate(fd_out, estimated_size) < 0) {
+    return NULL;
+  }
+
+  // Ensure that any buffer overflow in JarStripper will result in
+  // SIGSEGV or SIGBUS by over-allocating beyond the end of the file.
+  size_t mmap_length = std::min(estimated_size + sysconf(_SC_PAGESIZE),
+                                (u8) std::numeric_limits<size_t>::max());
+
+  void *zipdata_out = mmap(NULL, mmap_length, PROT_WRITE,
+                           MAP_SHARED, fd_out, 0);
+  if (zipdata_out == MAP_FAILED) {
+    fprintf(stderr, "output_length=%llu\n", estimated_size);
+    return NULL;
+  }
+
+  return new OutputZipFile(fd_out, (u1*) zipdata_out);
+}
+
+u8 ZipBuilder::EstimateSize(char **files) {
+  struct stat statst;
+  // Digital signature field size = 6, End of central directory = 22, Total = 28
+  u8 size = 28;
+  // Count the size of all the files in the input to estimate the size of the
+  // output.
+  for (int i = 0; files[i] != NULL; i++) {
+    if (stat(files[i], &statst) != 0) {
+      fprintf(stderr, "File %s does not seem to exist.", files[i]);
+      return 0;
+    }
+    size += statst.st_size;
+    // Add sizes of Zip meta data
+    // local file header = 30 bytes
+    // data descriptor = 12 bytes
+    // central directory descriptor = 46 bytes
+    //    Total: 88bytes
+    size += 88;
+    // The filename is stored twice (once in the central directory
+    // and once in the local file header).
+    size += strlen(files[i]) * 2;
+  }
+  return size;
+}
+
+}  // namespace devtools_ijar
diff --git a/tools/ijar/zip.h b/tools/ijar/zip.h
new file mode 100644
index 000000000..dda2c6e18
--- /dev/null
+++ b/tools/ijar/zip.h
@@ -0,0 +1,173 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// zip.h -- .zip (.jar) file reading/writing routines.
+//
+// This file specifies the interface to use the ZIP implementation of ijar.
+//
+
+#ifndef INCLUDED_THIRD_PARTY_IJAR_ZIP_H
+#define INCLUDED_THIRD_PARTY_IJAR_ZIP_H
+
+#include <sys/stat.h>
+
+#include "common.h"
+
+namespace devtools_ijar {
+
+// Tells if this is a directory entry from the mode. This method
+// is safer than zipattr_to_mode(attr) & S_IFDIR because the unix
+// mode might not be set in DOS zip files.
+inline bool zipattr_is_dir(u4 attr) { return (attr & 0x10) != 0; }
+
+// Convert a Unix file mode to a ZIP file attribute
+inline u4 mode_to_zipattr(mode_t m) {
+  return (((u4) m) << 16) + ((m & S_IFDIR) != 0 ? 0x10 : 0);
+}
+
+// Convert a ZIP file attribute to a Unix file mode
+inline mode_t zipattr_to_mode(u4 attr) {
+  return ((mode_t) ((attr >> 16) & 0xffff));
+}
+
+//
+// Class interface for building ZIP files
+//
+class ZipBuilder {
+ public:
+  virtual ~ZipBuilder() {}
+
+  // Returns the text for the last error, or null on no last error.
+  virtual const char* GetError() = 0;
+
+  // Add a new file to the ZIP, the file will have path "filename"
+  // and external attributes "attr". This function returns a pointer
+  // to a memory buffer to write the data of the file into. This buffer
+  // is owned by ZipBuilder and should not be free'd by the caller. The
+  // file length is then specified when the files is finished written
+  // using the FinishFile(size_t) function.
+  // On failure, returns NULL and GetError() will return an non-empty message.
+  virtual u1* NewFile(const char* filename, const u4 attr) = 0;
+
+  // Finish writing a file and specify its length. After calling this method
+  // one should not reuse the pointer given by NewFile. The file can be
+  // compressed using the deflate algorithm by setting `compress` to true.
+  // By default, CRC32 are not computed as java tooling doesn't care, but
+  // computing it can be activated by setting `compute_crc` to true.
+  // On failure, returns -1 and GetError() will return an non-empty message.
+  virtual int FinishFile(size_t filelength,
+                         bool compress = false,
+                         bool compute_crc = false) = 0;
+
+  // Write an empty file, it is equivalent to:
+  //   NewFile(filename, 0);
+  //   FinishFile(0);
+  // On failure, returns -1 and GetError() will return an non-empty message.
+  virtual int WriteEmptyFile(const char* filename) = 0;
+
+  // Finish writing the ZIP file. This method can be called only once
+  // (subsequent calls will do nothing) and none of
+  // NewFile/FinishFile/WriteEmptyFile should be called after calling Finish. If
+  // this method was not called when the object is destroyed, it will be called.
+  // It is here as a convenience to get information on the final generated ZIP
+  // file.
+  // On failure, returns -1 and GetError() will return an non-empty message.
+  virtual int Finish() = 0;
+
+  // Get the current size of the ZIP file. This size will not be matching the
+  // final ZIP file until Finish() has been called because Finish() is actually
+  // writing the central directory of the ZIP File.
+  virtual size_t GetSize() = 0;
+
+  // Returns the current number of files stored in the ZIP.
+  virtual int GetNumberFiles() = 0;
+
+  // Create a new ZipBuilder writing the file zip_file and the size of the
+  // output will be at most estimated_size. Use ZipBuilder::EstimateSize() or
+  // ZipExtractor::CalculateOuputLength() to have an estimated_size depending on
+  // a list of file to store.
+  // On failure, returns NULL. Refer to errno for error code.
+  static ZipBuilder* Create(const char* zip_file, u8 estimated_size);
+
+  // Estimate the maximum size of the ZIP files containing files in the "files"
+  // null-terminated array.
+  // Returns 0 on error.
+  static u8 EstimateSize(char **files);
+};
+
+//
+// An abstract class to process data from a ZipExtractor.
+// Derive from this class if you wish to process data from a ZipExtractor.
+//
+class ZipExtractorProcessor {
+ public:
+  virtual ~ZipExtractorProcessor() {}
+
+  // Tells whether to skip or process the file "filename". "attr" is the
+  // external file attributes and can be converted to unix mode using the
+  // zipattr_to_mode() function. This method is suppoed to returns true
+  // if the file should be processed and false if it should be skipped.
+  virtual bool Accept(const char* filename, const u4 attr) = 0;
+
+  // Process a file accepted by Accept. The file "filename" has external
+  // attributes "attr" and length "size". The file content is accessible
+  // in the buffer pointed by "data".
+  virtual void Process(const char* filename, const u4 attr,
+                       const u1* data, const size_t size) = 0;
+};
+
+//
+// Class interface for reading ZIP files
+//
+class ZipExtractor {
+ public:
+  virtual ~ZipExtractor() {}
+
+  // Returns the text for the last error, or null on no last error.
+  virtual const char* GetError() = 0;
+
+  // Process the next files, returns false if the end of ZIP file has been
+  // reached. The processor provided by the Create method will be called
+  // if a file is encountered. If false is returned, check the return value
+  // of GetError() for potential errors.
+  virtual bool ProcessNext() = 0;
+
+  // Process the all files, returns -1 on error (GetError() will be populated
+  // on error).
+  virtual int ProcessAll();
+
+  // Reset the file pointer to the beginning.
+  virtual void Reset() = 0;
+
+  // Return the size of the ZIP file.
+  virtual size_t GetSize() = 0;
+
+  // Return the size of the resulting zip file by keeping only file
+  // accepted by the processor and storing them uncompressed. This
+  // method can be used to create a ZipBuilder for storing a subset
+  // of the input files.
+  // On error, 0 is returned and GetError() returns a non-empty message.
+  virtual u8 CalculateOutputLength() = 0;
+
+  // Create a ZipExtractor that extract the zip file "filename" and process
+  // it with "processor".
+  // On error, a null pointer is returned and the value of errno should be
+  // checked.
+  static ZipExtractor* Create(const char* filename,
+                              ZipExtractorProcessor *processor);
+};
+
+}  // namespace devtools_ijar
+
+#endif  // INCLUDED_THIRD_PARTY_IJAR_ZIP_H
diff --git a/tools/ijar/zip_main.cc b/tools/ijar/zip_main.cc
new file mode 100644
index 000000000..3f4a50ccb
--- /dev/null
+++ b/tools/ijar/zip_main.cc
@@ -0,0 +1,312 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Author: Alan Donovan <adonovan@google.com>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//
+// Zip / Unzip file using ijar zip implementation.
+//
+// Note that this Zip implementation intentionally don't compute CRC-32
+// because it is useless computation for jar because Java doesn't care.
+// CRC-32 of all files in the zip file will be set to 0.
+//
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <errno.h>
+#include <memory>
+
+#include "zip.h"
+
+namespace devtools_ijar {
+
+#define SYSCALL(expr)  do { \
+                         if ((expr) < 0) { \
+                           perror(#expr); \
+                           abort(); \
+                         } \
+                       } while (0)
+
+//
+// A ZipExtractorProcessor that extract all files in the ZIP file.
+//
+class UnzipProcessor : public ZipExtractorProcessor {
+ public:
+  // Create a processor who will extract the files into output_root
+  // if "extract" is set to true and will print the list of files and
+  // their unix modes if "verbose" is set to true.
+  UnzipProcessor(const char *output_root, bool verbose, bool extract)
+    : output_root_(output_root), verbose_(verbose), extract_(extract) {}
+  virtual ~UnzipProcessor() {}
+
+  virtual void Process(const char* filename, const u4 attr,
+                       const u1* data, const size_t size);
+  virtual bool Accept(const char* filename, const u4 attr) {
+    return true;
+  }
+
+ private:
+  const char *output_root_;
+  const bool verbose_;
+  const bool extract_;
+};
+
+// Concatene 2 path, path1 and path2, using / as a directory separator and
+// puting the result in "out". "size" specify the size of the output buffer
+void concat_path(char* out, const size_t size,
+                 const char *path1, const char *path2) {
+  int len1 = strlen(path1);
+  size_t l = len1;
+  strncpy(out, path1, size - 1);
+  out[size-1] = 0;
+  if (l < size - 1 && path1[len1] != '/' && path2[0] != '/') {
+    out[l] = '/';
+    l++;
+    out[l] = 0;
+  }
+  if (l < size - 1) {
+    strncat(out, path2, size - 1 - l);
+  }
+}
+
+// Do a recursive mkdir of all folders of path except the last path
+// segment (if path ends with a / then the last path segment is empty).
+// All folders are created using "mode" for creation mode.
+void mkdirs(const char *path, mode_t mode) {
+  char path_[PATH_MAX];
+  struct stat statst;
+  strncpy(path_, path, PATH_MAX);
+  path_[PATH_MAX-1] = 0;
+  char *pointer = path_;
+  while ((pointer = strchr(pointer, '/')) != NULL) {
+    if (path_ != pointer) {  // skip leading slash
+      *pointer = 0;
+      if (stat(path_, &statst) != 0) {
+        if (mkdir(path_, mode) < 0) {
+          fprintf(stderr, "Cannot create folder %s: %s\n",
+                  path_, strerror(errno));
+          abort();
+        }
+      }
+      *pointer = '/';
+    }
+    pointer++;
+  }
+}
+
+void UnzipProcessor::Process(const char* filename, const u4 attr,
+                             const u1* data, const size_t size) {
+  mode_t mode = zipattr_to_mode(attr);
+  mode_t perm = mode & 0777;
+  bool isdir = (mode & S_IFDIR) != 0;
+  if (attr == 0) {
+    // Fallback when the external attribute is not set.
+    isdir = filename[strlen(filename)-1] == '/';
+    perm = 0777;
+  }
+  if (verbose_) {
+    printf("%c %o %s\n", isdir ? 'd' : 'f', perm, filename);
+  }
+  if (extract_) {
+    char path[PATH_MAX];
+    int fd;
+    concat_path(path, PATH_MAX, output_root_, filename);
+    mkdirs(path, perm);
+    if (!isdir) {
+      fd = open(path, O_CREAT | O_WRONLY, perm);
+      if (fd < 0) {
+        fprintf(stderr, "Cannot open file %s for writing: %s\n",
+                path, strerror(errno));
+        abort();
+      }
+      SYSCALL(write(fd, data, size));
+      SYSCALL(close(fd));
+    }
+  }
+}
+
+// Get the basename of path and store it in output. output_size
+// is the size of the output buffer.
+void basename(const char *path, char *output, size_t output_size) {
+  const char *pointer = strrchr(path, '/');
+  if (pointer == NULL) {
+    pointer = path;
+  } else {
+    pointer++;  // Skip the leading slash.
+  }
+  strncpy(output, pointer, output_size);
+  output[output_size-1] = 0;
+}
+
+
+// Execute the extraction (or just listing if just v is provided)
+int extract(char *zipfile, bool verbose, bool extract) {
+  char output_root[PATH_MAX];
+  getcwd(output_root, PATH_MAX);
+
+  UnzipProcessor processor(output_root, verbose, extract);
+  std::unique_ptr<ZipExtractor> extractor(ZipExtractor::Create(zipfile,
+                                                               &processor));
+  if (extractor.get() == NULL) {
+    fprintf(stderr, "Unable to open zip file %s: %s.\n", zipfile,
+            strerror(errno));
+    return -1;
+  }
+
+  if (extractor->ProcessAll() < 0) {
+    fprintf(stderr, "%s.\n", extractor->GetError());
+    return -1;
+  }
+  return 0;
+}
+
+// Execute the create operation
+int create(char *zipfile, char **files, bool flatten, bool verbose,
+           bool compress) {
+  struct stat statst;
+  u8 size = ZipBuilder::EstimateSize(files);
+  if (size == 0) {
+    return -1;
+  }
+  std::unique_ptr<ZipBuilder> builder(ZipBuilder::Create(zipfile, size));
+  if (builder.get() == NULL) {
+    fprintf(stderr, "Unable to create zip file %s: %s.\n",
+            zipfile, strerror(errno));
+    return -1;
+  }
+  for (int i = 0; files[i] != NULL; i++) {
+    stat(files[i], &statst);
+    char path[PATH_MAX];
+    bool isdir = (statst.st_mode & S_IFDIR) != 0;
+
+    if (flatten && isdir) {
+      continue;
+    }
+
+    // Compute the path, flattening it if requested
+    if (flatten) {
+      basename(files[i], path, PATH_MAX);
+    } else {
+      strncpy(path, files[i], PATH_MAX);
+      path[PATH_MAX-1] = 0;
+      size_t len = strlen(path);
+      if (isdir && len < PATH_MAX - 1) {
+        // Add the trailing slash for folders
+        path[len] = '/';
+        path[len+1] = 0;
+      }
+    }
+
+    if (verbose) {
+      mode_t perm = statst.st_mode & 0777;
+      printf("%c %o %s\n", isdir ? 'd' : 'f', perm, path);
+    }
+
+    u1 *buffer = builder->NewFile(path, mode_to_zipattr(statst.st_mode));
+    if (isdir || statst.st_size == 0) {
+      builder->FinishFile(0);
+    } else {
+      // mmap the input file and memcpy
+      int fd = open(files[i], O_RDONLY);
+      if (fd < 0) {
+        fprintf(stderr, "Can't open file %s for reading: %s.\n",
+                files[i], strerror(errno));
+        return -1;
+      }
+      void *data = mmap(NULL, statst.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+      if (data == MAP_FAILED) {
+        fprintf(stderr, "Can't mmap file %s for reading: %s.\n",
+                files[i], strerror(errno));
+        return -1;
+      }
+      memcpy(buffer, data, statst.st_size);
+      munmap(data, statst.st_size);
+      builder->FinishFile(statst.st_size, compress, true);
+    }
+  }
+  if (builder->Finish() < 0) {
+    fprintf(stderr, "%s\n", builder->GetError());
+    return -1;
+  }
+  return 0;
+}
+
+}  // namespace devtools_ijar
+
+//
+// main method
+//
+static void usage(char *progname) {
+  fprintf(stderr, "Usage: %s [vxc[fC]] x.zip [file1...filen]\n", progname);
+  fprintf(stderr, "  v verbose - list all file in x.zip\n");
+  fprintf(stderr, "  x extract - extract file in x.zip in current directory\n");
+  fprintf(stderr, "  c create  - add files to x.zip\n");
+  fprintf(stderr, "  f flatten - flatten files to use with create operation\n");
+  fprintf(stderr,
+          "  C compress - compress files when using the create operation\n");
+  fprintf(stderr, "x and c cannot be used in the same command-line.\n");
+  exit(1);
+}
+
+int main(int argc, char **argv) {
+  bool extract = false;
+  bool verbose = false;
+  bool create = false;
+  bool compress = false;
+  bool flatten = false;
+
+  if (argc < 3) {
+    usage(argv[0]);
+  }
+
+  for (int i = 0; argv[1][i] != 0; i++) {
+    switch (argv[1][i]) {
+    case 'x':
+      extract = true;
+      break;
+    case 'v':
+      verbose = true;
+      break;
+    case 'c':
+      create = true;
+      break;
+    case 'f':
+      flatten = true;
+      break;
+    case 'C':
+      compress = true;
+      break;
+    default:
+      usage(argv[0]);
+    }
+  }
+  if (create) {
+    if (extract) {
+      usage(argv[0]);
+    }
+    // Create a zip
+    return devtools_ijar::create(argv[2], argv + 3, flatten, verbose, compress);
+  } else {
+    if (flatten) {
+      usage(argv[0]);
+    }
+    // Extraction / list mode
+    return devtools_ijar::extract(argv[2], verbose, extract);
+  }
+}
diff --git a/tools/java-event-log-tags.py b/tools/java-event-log-tags.py
index 846d9cfd5..f364751c4 100755
--- a/tools/java-event-log-tags.py
+++ b/tools/java-event-log-tags.py
@@ -129,7 +129,7 @@ def javaName(name):
     out += "_"
   return out
 
-javaTypes = ["ERROR", "int", "long", "String", "Object[]"]
+javaTypes = ["ERROR", "int", "long", "String", "Object[]", "float"]
 for t in tagfile.tags:
   methodName = javaName("write_" + t.tagname)
   if t.description:
diff --git a/tools/makeparallel/.gitignore b/tools/makeparallel/.gitignore
new file mode 100644
index 000000000..a7d618195
--- /dev/null
+++ b/tools/makeparallel/.gitignore
@@ -0,0 +1,4 @@
+makeparallel
+*.o
+*.d
+test.out
diff --git a/tools/makeparallel/Android.bp b/tools/makeparallel/Android.bp
new file mode 100644
index 000000000..cb818177a
--- /dev/null
+++ b/tools/makeparallel/Android.bp
@@ -0,0 +1,26 @@
+// Copyright 2016 Google Inc. All rights reserved
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_binary_host {
+    name: "makeparallel",
+    srcs: [
+        "makeparallel.cpp",
+    ],
+    cflags: ["-Wall", "-Werror"],
+    target: {
+        linux: {
+            host_ldlibs: ["-lrt", "-lpthread"],
+        },
+    },
+}
diff --git a/tools/makeparallel/Makefile b/tools/makeparallel/Makefile
new file mode 100644
index 000000000..4e12b10f2
--- /dev/null
+++ b/tools/makeparallel/Makefile
@@ -0,0 +1,94 @@
+# Copyright 2015 Google Inc. All rights reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Find source file location from path to this Makefile
+MAKEPARALLEL_SRC_PATH := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
+ifndef MAKEPARALLEL_SRC_PATH
+  MAKEPARALLEL_SRC_PATH := .
+endif
+
+# Set defaults if they weren't set by the including Makefile
+MAKEPARALLEL_CXX ?= $(CXX)
+MAKEPARALLEL_LD ?= $(CXX)
+MAKEPARALLEL_INTERMEDIATES_PATH ?= .
+MAKEPARALLEL_BIN_PATH ?= .
+
+MAKEPARALLEL_CXX_SRCS := \
+	makeparallel.cpp
+
+MAKEPARALLEL_CXXFLAGS := -Wall -Werror -MMD -MP
+
+MAKEPARALLEL_CXX_SRCS := $(addprefix $(MAKEPARALLEL_SRC_PATH)/,\
+	$(MAKEPARALLEL_CXX_SRCS))
+
+MAKEPARALLEL_CXX_OBJS := $(patsubst $(MAKEPARALLEL_SRC_PATH)/%.cpp,$(MAKEPARALLEL_INTERMEDIATES_PATH)/%.o,$(MAKEPARALLEL_CXX_SRCS))
+
+MAKEPARALLEL := $(MAKEPARALLEL_BIN_PATH)/makeparallel
+
+ifeq ($(shell uname),Linux)
+MAKEPARALLEL_LIBS := -lrt -lpthread
+endif
+
+# Rule to build makeparallel into MAKEPARALLEL_BIN_PATH
+$(MAKEPARALLEL): $(MAKEPARALLEL_CXX_OBJS)
+	@mkdir -p $(dir $@)
+	$(MAKEPARALLEL_LD) -std=c++11 $(MAKEPARALLEL_CXXFLAGS) -o $@ $^ $(MAKEPARALLEL_LIBS)
+
+# Rule to build source files into object files in MAKEPARALLEL_INTERMEDIATES_PATH
+$(MAKEPARALLEL_CXX_OBJS): $(MAKEPARALLEL_INTERMEDIATES_PATH)/%.o: $(MAKEPARALLEL_SRC_PATH)/%.cpp
+	@mkdir -p $(dir $@)
+	$(MAKEPARALLEL_CXX) -c -std=c++11 $(MAKEPARALLEL_CXXFLAGS) -o $@ $<
+
+makeparallel_clean:
+	rm -rf $(MAKEPARALLEL)
+	rm -rf $(MAKEPARALLEL_INTERMEDIATES_PATH)/*.o
+	rm -rf $(MAKEPARALLEL_INTERMEDIATES_PATH)/*.d
+
+.PHONY: makeparallel_clean
+
+-include $(MAKEPARALLEL_INTERMEDIATES_PATH)/*.d
+
+.PHONY: makeparallel_test
+MAKEPARALLEL_TEST := MAKEFLAGS= MAKELEVEL= MAKEPARALLEL=$(MAKEPARALLEL) $(MAKE) -f Makefile.test test
+MAKEPARALLEL_NINJA_TEST := MAKEFLAGS= MAKELEVEL= MAKEPARALLEL="$(MAKEPARALLEL) --ninja" $(MAKE) -f Makefile.test test
+makeparallel_test: $(MAKEPARALLEL)
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) -j1234
+	@EXPECTED="-j123"  $(MAKEPARALLEL_TEST) -j123
+	@EXPECTED="-j1"    $(MAKEPARALLEL_TEST) -j1
+	@EXPECTED="-j1"    $(MAKEPARALLEL_TEST)
+
+	@EXPECTED="-j1234" $(MAKEPARALLEL_NINJA_TEST) -j1234
+	@EXPECTED="-j123"  $(MAKEPARALLEL_NINJA_TEST) -j123
+	@EXPECTED="-j1"    $(MAKEPARALLEL_NINJA_TEST) -j1
+	@EXPECTED="-j1"    $(MAKEPARALLEL_NINJA_TEST)
+	@EXPECTED=""       $(MAKEPARALLEL_NINJA_TEST) -j
+	@EXPECTED=""       $(MAKEPARALLEL_NINJA_TEST) -j -l
+
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) --no-print-directory -j1234
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) --no-print-directory -k -j1234
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) -k -j1234
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) -j1234 -k
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) -kt -j1234
+
+	@EXPECTED="-j1234"     $(MAKEPARALLEL_NINJA_TEST) --no-print-directory -j1234
+	@EXPECTED="-j1234 -k0" $(MAKEPARALLEL_NINJA_TEST) --no-print-directory -k -j1234
+	@EXPECTED="-j1234 -k0" $(MAKEPARALLEL_NINJA_TEST) -k -j1234
+	@EXPECTED="-j1234 -k0" $(MAKEPARALLEL_NINJA_TEST) -j1234 -k
+	@EXPECTED="-j1234 -k0" $(MAKEPARALLEL_NINJA_TEST) -kt -j1234
+
+	@EXPECTED="-j1"    $(MAKEPARALLEL_TEST) A=-j1234
+	@EXPECTED="-j1"    $(MAKEPARALLEL_TEST) A\ -j1234=-j1234
+	@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) A\ -j1234=-j1234 -j1234
+
+	@EXPECTED="-j1234 args" ARGS="args" $(MAKEPARALLEL_TEST) -j1234
diff --git a/tools/makeparallel/Makefile.test b/tools/makeparallel/Makefile.test
new file mode 100644
index 000000000..cf53684c0
--- /dev/null
+++ b/tools/makeparallel/Makefile.test
@@ -0,0 +1,12 @@
+MAKEPARALLEL ?= ./makeparallel
+
+.PHONY: test
+test:
+	@+echo MAKEFLAGS=$${MAKEFLAGS};              \
+	result=$$($(MAKEPARALLEL) echo $(ARGS));     \
+	echo result: $${result};                     \
+	if [ "$${result}" = "$(EXPECTED)" ]; then    \
+	  echo SUCCESS && echo;                      \
+	else                                         \
+	  echo FAILED expected $(EXPECTED) && false; \
+	fi
diff --git a/tools/makeparallel/README.md b/tools/makeparallel/README.md
new file mode 100644
index 000000000..2e5fbf9f6
--- /dev/null
+++ b/tools/makeparallel/README.md
@@ -0,0 +1,54 @@
+<!---
+Copyright (C) 2015 The Android Open Source Project
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+makeparallel
+============
+makeparallel communicates with the [GNU make jobserver](http://make.mad-scientist.net/papers/jobserver-implementation/)
+in order claim all available jobs, and then passes the number of jobs
+claimed to a subprocess with `-j<jobs>`.
+
+The number of available jobs is determined by reading tokens from the jobserver
+until a read would block.  If the makeparallel rule is the only one running the
+number of jobs will be the total size of the jobserver pool, i.e. the value
+passed to make with `-j`.  Any jobs running in parallel with with the
+makeparellel rule will reduce the measured value, and thus reduce the
+parallelism available to the subprocess.
+
+To run a multi-thread or multi-process binary inside GNU make using
+makeparallel, add
+```Makefile
+	+makeparallel subprocess arguments
+```
+to a rule.  For example, to wrap ninja in make, use something like:
+```Makefile
+	+makeparallel ninja -f build.ninja
+```
+
+To determine the size of the jobserver pool, add
+```Makefile
+	+makeparallel echo > make.jobs
+```
+to a rule that is guarantee to run alone (i.e. all other rules are either
+dependencies of the makeparallel rule, or the depend on the makeparallel
+rule.  The output file will contain the `-j<num>` flag passed to the parent
+make process, or `-j1` if no flag was found.  Since GNU make will run
+makeparallel during the execution phase, after all variables have been
+set and evaluated, it is not possible to get the output of makeparallel
+into a make variable.  Instead, use a shell substitution to read the output
+file directly in a recipe.  For example:
+```Makefile
+	echo Make was started with $$(cat make.jobs)
+```
diff --git a/tools/makeparallel/makeparallel.cpp b/tools/makeparallel/makeparallel.cpp
new file mode 100644
index 000000000..3c39846ec
--- /dev/null
+++ b/tools/makeparallel/makeparallel.cpp
@@ -0,0 +1,369 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// makeparallel communicates with the GNU make jobserver
+// (http://make.mad-scientist.net/papers/jobserver-implementation/)
+// in order claim all available jobs, and then passes the number of jobs
+// claimed to a subprocess with -j<jobs>.
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <poll.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <string>
+#include <vector>
+
+#ifdef __linux__
+#include <error.h>
+#endif
+
+#ifdef __APPLE__
+#include <err.h>
+#define error(code, eval, fmt, ...) errc(eval, code, fmt, ##__VA_ARGS__)
+// Darwin does not interrupt syscalls by default.
+#define TEMP_FAILURE_RETRY(exp) (exp)
+#endif
+
+// Throw an error if fd is not valid.
+static void CheckFd(int fd) {
+  int ret = fcntl(fd, F_GETFD);
+  if (ret < 0) {
+    if (errno == EBADF) {
+      error(errno, 0, "no jobserver pipe, prefix recipe command with '+'");
+    } else {
+      error(errno, errno, "fnctl failed");
+    }
+  }
+}
+
+// Extract flags from MAKEFLAGS that need to be propagated to subproccess
+static std::vector<std::string> ReadMakeflags() {
+  std::vector<std::string> args;
+
+  const char* makeflags_env = getenv("MAKEFLAGS");
+  if (makeflags_env == nullptr) {
+    return args;
+  }
+
+  // The MAKEFLAGS format is pretty useless.  The first argument might be empty
+  // (starts with a leading space), or it might be a set of one-character flags
+  // merged together with no leading space, or it might be a variable
+  // definition.
+
+  std::string makeflags = makeflags_env;
+
+  // Split makeflags into individual args on spaces.  Multiple spaces are
+  // elided, but an initial space will result in a blank arg.
+  size_t base = 0;
+  size_t found;
+  do {
+    found = makeflags.find_first_of(" ", base);
+    args.push_back(makeflags.substr(base, found - base));
+    base = found + 1;
+  } while (found != makeflags.npos);
+
+  // Drop the first argument if it is empty
+  while (args.size() > 0 && args[0].size() == 0) {
+	  args.erase(args.begin());
+  }
+
+  // Prepend a - to the first argument if it does not have one and is not a
+  // variable definition
+  if (args.size() > 0 && args[0][0] != '-') {
+    if (args[0].find('=') == makeflags.npos) {
+      args[0] = '-' + args[0];
+    }
+  }
+
+  return args;
+}
+
+static bool ParseMakeflags(std::vector<std::string>& args,
+    int* in_fd, int* out_fd, bool* parallel, bool* keep_going) {
+
+  std::vector<char*> getopt_argv;
+  // getopt starts reading at argv[1]
+  getopt_argv.reserve(args.size() + 1);
+  getopt_argv.push_back(strdup(""));
+  for (std::string& v : args) {
+    getopt_argv.push_back(strdup(v.c_str()));
+  }
+
+  opterr = 0;
+  optind = 1;
+  while (1) {
+    const static option longopts[] = {
+        {"jobserver-fds", required_argument, 0, 0},
+        {0, 0, 0, 0},
+    };
+    int longopt_index = 0;
+
+    int c = getopt_long(getopt_argv.size(), getopt_argv.data(), "kj",
+        longopts, &longopt_index);
+
+    if (c == -1) {
+      break;
+    }
+
+    switch (c) {
+    case 0:
+      switch (longopt_index) {
+      case 0:
+      {
+        // jobserver-fds
+        if (sscanf(optarg, "%d,%d", in_fd, out_fd) != 2) {
+          error(EXIT_FAILURE, 0, "incorrect format for --jobserver-fds: %s", optarg);
+        }
+        // TODO: propagate in_fd, out_fd
+        break;
+      }
+      default:
+        abort();
+      }
+      break;
+    case 'j':
+      *parallel = true;
+      break;
+    case 'k':
+      *keep_going = true;
+      break;
+    case '?':
+      // ignore unknown arguments
+      break;
+    default:
+      abort();
+    }
+  }
+
+  for (char *v : getopt_argv) {
+    free(v);
+  }
+
+  return true;
+}
+
+// Read a single byte from fd, with timeout in milliseconds.  Returns true if
+// a byte was read, false on timeout.  Throws away the read value.
+// Non-reentrant, uses timer and signal handler global state, plus static
+// variable to communicate with signal handler.
+//
+// Uses a SIGALRM timer to fire a signal after timeout_ms that will interrupt
+// the read syscall if it hasn't yet completed.  If the timer fires before the
+// read the read could block forever, so read from a dup'd fd and close it from
+// the signal handler, which will cause the read to return EBADF if it occurs
+// after the signal.
+// The dup/read/close combo is very similar to the system described to avoid
+// a deadlock between SIGCHLD and read at
+// http://make.mad-scientist.net/papers/jobserver-implementation/
+static bool ReadByteTimeout(int fd, int timeout_ms) {
+  // global variable to communicate with the signal handler
+  static int dup_fd = -1;
+
+  // dup the fd so the signal handler can close it without losing the real one
+  dup_fd = dup(fd);
+  if (dup_fd < 0) {
+    error(errno, errno, "dup failed");
+  }
+
+  // set up a signal handler that closes dup_fd on SIGALRM
+  struct sigaction action = {};
+  action.sa_flags = SA_SIGINFO,
+  action.sa_sigaction = [](int, siginfo_t*, void*) {
+    close(dup_fd);
+  };
+  struct sigaction oldaction = {};
+  int ret = sigaction(SIGALRM, &action, &oldaction);
+  if (ret < 0) {
+    error(errno, errno, "sigaction failed");
+  }
+
+  // queue a SIGALRM after timeout_ms
+  const struct itimerval timeout = {{}, {0, timeout_ms * 1000}};
+  ret = setitimer(ITIMER_REAL, &timeout, NULL);
+  if (ret < 0) {
+    error(errno, errno, "setitimer failed");
+  }
+
+  // start the blocking read
+  char buf;
+  int read_ret = read(dup_fd, &buf, 1);
+  int read_errno = errno;
+
+  // cancel the alarm in case it hasn't fired yet
+  const struct itimerval cancel = {};
+  ret = setitimer(ITIMER_REAL, &cancel, NULL);
+  if (ret < 0) {
+    error(errno, errno, "reset setitimer failed");
+  }
+
+  // remove the signal handler
+  ret = sigaction(SIGALRM, &oldaction, NULL);
+  if (ret < 0) {
+    error(errno, errno, "reset sigaction failed");
+  }
+
+  // clean up the dup'd fd in case the signal never fired
+  close(dup_fd);
+  dup_fd = -1;
+
+  if (read_ret == 0) {
+    error(EXIT_FAILURE, 0, "EOF on jobserver pipe");
+  } else if (read_ret > 0) {
+    return true;
+  } else if (read_errno == EINTR || read_errno == EBADF) {
+    return false;
+  } else {
+    error(read_errno, read_errno, "read failed");
+  }
+  abort();
+}
+
+// Measure the size of the jobserver pool by reading from in_fd until it blocks
+static int GetJobserverTokens(int in_fd) {
+  int tokens = 0;
+  pollfd pollfds[] = {{in_fd, POLLIN, 0}};
+  int ret;
+  while ((ret = TEMP_FAILURE_RETRY(poll(pollfds, 1, 0))) != 0) {
+    if (ret < 0) {
+      error(errno, errno, "poll failed");
+    } else if (pollfds[0].revents != POLLIN) {
+      error(EXIT_FAILURE, 0, "unexpected event %d\n", pollfds[0].revents);
+    }
+
+    // There is probably a job token in the jobserver pipe.  There is a chance
+    // another process reads it first, which would cause a blocking read to
+    // block forever (or until another process put a token back in the pipe).
+    // The file descriptor can't be set to O_NONBLOCK as that would affect
+    // all users of the pipe, including the parent make process.
+    // ReadByteTimeout emulates a non-blocking read on a !O_NONBLOCK socket
+    // using a SIGALRM that fires after a short timeout.
+    bool got_token = ReadByteTimeout(in_fd, 10);
+    if (!got_token) {
+      // No more tokens
+      break;
+    } else {
+      tokens++;
+    }
+  }
+
+  // This process implicitly gets a token, so pool size is measured size + 1
+  return tokens;
+}
+
+// Return tokens to the jobserver pool.
+static void PutJobserverTokens(int out_fd, int tokens) {
+  // Return all the tokens to the pipe
+  char buf = '+';
+  for (int i = 0; i < tokens; i++) {
+    int ret = TEMP_FAILURE_RETRY(write(out_fd, &buf, 1));
+    if (ret < 0) {
+      error(errno, errno, "write failed");
+    } else if (ret == 0) {
+      error(EXIT_FAILURE, 0, "EOF on jobserver pipe");
+    }
+  }
+}
+
+int main(int argc, char* argv[]) {
+  int in_fd = -1;
+  int out_fd = -1;
+  bool parallel = false;
+  bool keep_going = false;
+  bool ninja = false;
+  int tokens = 0;
+
+  if (argc > 1 && strcmp(argv[1], "--ninja") == 0) {
+    ninja = true;
+    argv++;
+    argc--;
+  }
+
+  if (argc < 2) {
+    error(EXIT_FAILURE, 0, "expected command to run");
+  }
+
+  const char* path = argv[1];
+  std::vector<char*> args({argv[1]});
+
+  std::vector<std::string> makeflags = ReadMakeflags();
+  if (ParseMakeflags(makeflags, &in_fd, &out_fd, &parallel, &keep_going)) {
+    if (in_fd >= 0 && out_fd >= 0) {
+      CheckFd(in_fd);
+      CheckFd(out_fd);
+      fcntl(in_fd, F_SETFD, FD_CLOEXEC);
+      fcntl(out_fd, F_SETFD, FD_CLOEXEC);
+      tokens = GetJobserverTokens(in_fd);
+    }
+  }
+
+  std::string jarg = "-j" + std::to_string(tokens + 1);
+
+  if (ninja) {
+    if (!parallel) {
+      // ninja is parallel by default, pass -j1 to disable parallelism if make wasn't parallel
+      args.push_back(strdup("-j1"));
+    } else if (tokens > 0) {
+      args.push_back(strdup(jarg.c_str()));
+    }
+    if (keep_going) {
+      args.push_back(strdup("-k0"));
+    }
+  } else {
+    args.push_back(strdup(jarg.c_str()));
+  }
+
+  args.insert(args.end(), &argv[2], &argv[argc]);
+
+  args.push_back(nullptr);
+
+  pid_t pid = fork();
+  if (pid < 0) {
+    error(errno, errno, "fork failed");
+  } else if (pid == 0) {
+    // child
+    unsetenv("MAKEFLAGS");
+    unsetenv("MAKELEVEL");
+    int ret = execvp(path, args.data());
+    if (ret < 0) {
+      error(errno, errno, "exec %s failed", path);
+    }
+    abort();
+  }
+
+  // parent
+  siginfo_t status = {};
+  int exit_status = 0;
+  int ret = waitid(P_PID, pid, &status, WEXITED);
+  if (ret < 0) {
+    error(errno, errno, "waitpid failed");
+  } else if (status.si_code == CLD_EXITED) {
+    exit_status = status.si_status;
+  } else {
+    exit_status = -(status.si_status);
+  }
+
+  if (tokens > 0) {
+    PutJobserverTokens(out_fd, tokens);
+  }
+  exit(exit_status);
+}
diff --git a/tools/mktarball.sh b/tools/mktarball.sh
index 3e3200649..ef0fe86db 100755
--- a/tools/mktarball.sh
+++ b/tools/mktarball.sh
@@ -5,8 +5,9 @@
 # $3: subdir to tar up (from $2)
 # $4: target tar name
 # $5: target tarball name (usually $(3).bz2)
+# $6: TARGET_OUT path to query device specific FS configs
 
-if [ $# -ne 5 ]; then
+if [ $# -ne 6 ]; then
     echo "Error: wrong number of arguments in cmd: $0 $* "
     exit 1
 fi
@@ -16,6 +17,7 @@ start_dir=`readlink -f $2`
 dir_to_tar=$3
 target_tar=`readlink -f $4`
 target_tarball=`readlink -f $5`
+target_out=`readlink -f $6`
 
 cd $2
 
@@ -28,7 +30,7 @@ files=`find ${dir_to_tar} \! -type d -print`
 for f in ${subdirs} ${files} ; do
     curr_perms=`stat -c 0%a $f`
     [ -d "$f" ] && is_dir=1 || is_dir=0
-    new_info=`${fs_get_stats} ${curr_perms} ${is_dir} ${f}`
+    new_info=`${fs_get_stats} ${curr_perms} ${is_dir} ${f} ${target_out}`
     new_uid=`echo ${new_info} | awk '{print $1;}'`
     new_gid=`echo ${new_info} | awk '{print $2;}'`
     new_perms=`echo ${new_info} | awk '{print $3;}'`
diff --git a/target/product/runtime_libdvm.mk b/tools/normalize_path.py
old mode 100644
new mode 100755
similarity index 61%
rename from target/product/runtime_libdvm.mk
rename to tools/normalize_path.py
index 638d7d793..6c4d5486d
--- a/target/product/runtime_libdvm.mk
+++ b/tools/normalize_path.py
@@ -1,5 +1,6 @@
+#!/usr/bin/env python
 #
-# Copyright (C) 2013 The Android Open Source Project
+# Copyright (C) 2015 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,13 +13,17 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
+"""
+Normalize and output paths from arguments, or stdin if no arguments provided.
+"""
 
-# Provides a functioning Dalvik environment without Android frameworks
+import os.path
+import sys
 
-PRODUCT_PACKAGES += \
-    core \
-    libdvm \
-    dexopt
+if len(sys.argv) > 1:
+  for p in sys.argv[1:]:
+    print os.path.normpath(p)
+  sys.exit(0)
 
-include $(SRC_TARGET_DIR)/product/runtime_common.mk
+for line in sys.stdin:
+  print os.path.normpath(line.strip())
diff --git a/tools/post_process_props.py b/tools/post_process_props.py
index 030826deb..940dd9b37 100755
--- a/tools/post_process_props.py
+++ b/tools/post_process_props.py
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
+import os, sys
 
 # Usage: post_process_props.py file.prop [blacklist_key, ...]
 # Blacklisted keys are removed from the property file, if present
@@ -27,21 +27,29 @@
 
 # Put the modifications that you need to make into the /system/build.prop into this
 # function. The prop object has get(name) and put(name,value) methods.
-def mangle_build_prop(prop):
+def mangle_build_prop(prop, overrides):
+  if len(overrides) == 0:
+    return
+  overridelist = overrides.replace(" ",",").split(",")
+  for proppair in overridelist:
+    values = proppair.split("=")
+    prop.put(values[0], values[1])
+
   pass
 
 # Put the modifications that you need to make into the /default.prop into this
 # function. The prop object has get(name) and put(name,value) methods.
 def mangle_default_prop(prop):
-  # If ro.debuggable is 1, then enable adb on USB by default
-  # (this is for userdebug builds)
-  if prop.get("ro.debuggable") == "1":
+  # If ro.adb.secure is not 1, then enable adb on USB by default
+  # (this is for eng builds)
+  if prop.get("ro.adb.secure") != "1":
     val = prop.get("persist.sys.usb.config")
-    if val == "":
-      val = "adb"
-    else:
-      val = val + ",adb"
-    prop.put("persist.sys.usb.config", val)
+    if "adb" not in val:
+      if val == "":
+        val = "adb"
+      else:
+        val = val + ",adb"
+      prop.put("persist.sys.usb.config", val)
   # UsbDeviceManager expects a value here.  If it doesn't get it, it will
   # default to "adb". That might not the right policy there, but it's better
   # to be explicit.
@@ -56,8 +64,6 @@ def validate(prop):
   """
   check_pass = True
   buildprops = prop.to_dict()
-  dev_build = buildprops.get("ro.build.version.incremental",
-                             "").startswith("eng")
   for key, value in buildprops.iteritems():
     # Check build properties' length.
     if len(key) > PROP_NAME_MAX:
@@ -66,19 +72,10 @@ def validate(prop):
                        (key, PROP_NAME_MAX))
       sys.stderr.write("%s (%d)\n" % (key, len(key)))
     if len(value) > PROP_VALUE_MAX:
-      # If dev build, show a warning message, otherwise fail the
-      # build with error message
-      if dev_build:
-        sys.stderr.write("warning: %s exceeds %d bytes: " %
-                         (key, PROP_VALUE_MAX))
-        sys.stderr.write("%s (%d)\n" % (value, len(value)))
-        sys.stderr.write("warning: This will cause the %s " % key)
-        sys.stderr.write("property return as empty at runtime\n")
-      else:
-        check_pass = False
-        sys.stderr.write("error: %s cannot exceed %d bytes: " %
-                         (key, PROP_VALUE_MAX))
-        sys.stderr.write("%s (%d)\n" % (value, len(value)))
+      check_pass = False
+      sys.stderr.write("error: %s cannot exceed %d bytes: " %
+                       (key, PROP_VALUE_MAX))
+      sys.stderr.write("%s (%d)\n" % (value, len(value)))
   return check_pass
 
 class PropFile:
@@ -121,6 +118,10 @@ def write(self, f):
 
 def main(argv):
   filename = argv[1]
+  if (len(argv) > 2):
+    extraargs = argv[2]
+  else:
+    extraargs = ""
   f = open(filename)
   lines = f.readlines()
   f.close()
@@ -128,7 +129,7 @@ def main(argv):
   properties = PropFile(lines)
 
   if filename.endswith("/build.prop"):
-    mangle_build_prop(properties)
+    mangle_build_prop(properties, extraargs)
   elif filename.endswith("/default.prop"):
     mangle_default_prop(properties)
   else:
@@ -139,7 +140,7 @@ def main(argv):
     sys.exit(1)
 
   # Drop any blacklisted keys
-  for key in argv[2:]:
+  for key in argv[3:]:
     properties.delete(key)
 
   f = open(filename, 'w+')
diff --git a/tools/product_debug.py b/tools/product_debug.py
index 661c5b7cd..ff2657c6d 100755
--- a/tools/product_debug.py
+++ b/tools/product_debug.py
@@ -89,7 +89,6 @@ def main(argv):
       "PRODUCT_COPY_FILES",
       "PRODUCT_PACKAGES",
       "PRODUCT_LOCALES",
-      "PRODUCT_FACTORY_RAMDISK_MODULES",
       "PRODUCT_PROPERTY_OVERRIDES",
     )
 
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index e98e4b673..9595c7e2f 100755
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -19,7 +19,31 @@
 not have an IMAGES/ top-level subdirectory), produce the images and
 add them to the zipfile.
 
-Usage:  add_img_to_target_files target_files
+Usage:  add_img_to_target_files [flag] target_files
+
+  -a  (--add_missing)
+      Build and add missing images to "IMAGES/". If this option is
+      not specified, this script will simply exit when "IMAGES/"
+      directory exists in the target file.
+
+  -r  (--rebuild_recovery)
+      Rebuild the recovery patch and write it to the system image. Only
+      meaningful when system image needs to be rebuilt.
+
+  --replace_verity_private_key
+      Replace the private key used for verity signing. (same as the option
+      in sign_target_files_apks)
+
+  --replace_verity_public_key
+       Replace the certificate (public key) used for verity verification. (same
+       as the option in sign_target_files_apks)
+
+  --is_signing
+      Skip building & adding the images for "userdata" and "cache" if we
+      are signing the target files.
+
+  --verity_signer_path
+      Specify the signer path to build verity metadata.
 """
 
 import sys
@@ -28,25 +52,38 @@
   print >> sys.stderr, "Python 2.7 or newer is required."
   sys.exit(1)
 
+import datetime
 import errno
 import os
-import re
 import shutil
-import subprocess
 import tempfile
 import zipfile
 
-# missing in Python 2.4 and before
-if not hasattr(os, "SEEK_SET"):
-  os.SEEK_SET = 0
-
 import build_image
 import common
+import sparse_img
 
 OPTIONS = common.OPTIONS
 
 OPTIONS.add_missing = False
 OPTIONS.rebuild_recovery = False
+OPTIONS.replace_verity_public_key = False
+OPTIONS.replace_verity_private_key = False
+OPTIONS.is_signing = False
+OPTIONS.verity_signer_path = None
+
+def GetCareMap(which, imgname):
+  """Generate care_map of system (or vendor) partition"""
+
+  assert which in ("system", "vendor")
+  _, blk_device = common.GetTypeAndDevice("/" + which, OPTIONS.info_dict)
+
+  simg = sparse_img.SparseImage(imgname)
+  care_map_list = []
+  care_map_list.append(blk_device)
+  care_map_list.append(simg.care_map.to_string_raw())
+  return care_map_list
+
 
 def AddSystem(output_zip, prefix="IMAGES/", recovery_img=None, boot_img=None):
   """Turn the contents of SYSTEM into a system image and store it in
@@ -55,25 +92,24 @@ def AddSystem(output_zip, prefix="IMAGES/", recovery_img=None, boot_img=None):
   prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "system.img")
   if os.path.exists(prebuilt_path):
     print "system.img already exists in %s, no need to rebuild..." % (prefix,)
-    return
+    return prebuilt_path
 
   def output_sink(fn, data):
-     ofile = open(os.path.join(OPTIONS.input_tmp,"SYSTEM",fn), "w")
-     ofile.write(data)
-     ofile.close()
+    ofile = open(os.path.join(OPTIONS.input_tmp, "SYSTEM", fn), "w")
+    ofile.write(data)
+    ofile.close()
 
   if OPTIONS.rebuild_recovery:
-    print("Building new recovery patch")
-    common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img, boot_img,
-                             info_dict=OPTIONS.info_dict)
+    print "Building new recovery patch"
+    common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,
+                             boot_img, info_dict=OPTIONS.info_dict)
 
   block_list = common.MakeTempFile(prefix="system-blocklist-", suffix=".map")
   imgname = BuildSystem(OPTIONS.input_tmp, OPTIONS.info_dict,
                         block_list=block_list)
-  with open(imgname, "rb") as f:
-    common.ZipWriteStr(output_zip, prefix + "system.img", f.read())
-  with open(block_list, "rb") as f:
-    common.ZipWriteStr(output_zip, prefix + "system.map", f.read())
+  common.ZipWrite(output_zip, imgname, prefix + "system.img")
+  common.ZipWrite(output_zip, block_list, prefix + "system.map")
+  return imgname
 
 
 def BuildSystem(input_dir, info_dict, block_list=None):
@@ -82,6 +118,24 @@ def BuildSystem(input_dir, info_dict, block_list=None):
   return CreateImage(input_dir, info_dict, "system", block_list=block_list)
 
 
+def AddSystemOther(output_zip, prefix="IMAGES/"):
+  """Turn the contents of SYSTEM_OTHER into a system_other image
+  and store it in output_zip."""
+
+  prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "system_other.img")
+  if os.path.exists(prebuilt_path):
+    print "system_other.img already exists in %s, no need to rebuild..." % (prefix,)
+    return
+
+  imgname = BuildSystemOther(OPTIONS.input_tmp, OPTIONS.info_dict)
+  common.ZipWrite(output_zip, imgname, prefix + "system_other.img")
+
+def BuildSystemOther(input_dir, info_dict):
+  """Build the (sparse) system_other image and return the name of a temp
+  file containing it."""
+  return CreateImage(input_dir, info_dict, "system_other", block_list=None)
+
+
 def AddVendor(output_zip, prefix="IMAGES/"):
   """Turn the contents of VENDOR into a vendor image and store in it
   output_zip."""
@@ -89,15 +143,14 @@ def AddVendor(output_zip, prefix="IMAGES/"):
   prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "vendor.img")
   if os.path.exists(prebuilt_path):
     print "vendor.img already exists in %s, no need to rebuild..." % (prefix,)
-    return
+    return prebuilt_path
 
   block_list = common.MakeTempFile(prefix="vendor-blocklist-", suffix=".map")
   imgname = BuildVendor(OPTIONS.input_tmp, OPTIONS.info_dict,
-                     block_list=block_list)
-  with open(imgname, "rb") as f:
-    common.ZipWriteStr(output_zip, prefix + "vendor.img", f.read())
-  with open(block_list, "rb") as f:
-    common.ZipWriteStr(output_zip, prefix + "vendor.map", f.read())
+                        block_list=block_list)
+  common.ZipWrite(output_zip, imgname, prefix + "vendor.img")
+  common.ZipWrite(output_zip, block_list, prefix + "vendor.map")
+  return imgname
 
 
 def BuildVendor(input_dir, info_dict, block_list=None):
@@ -105,6 +158,29 @@ def BuildVendor(input_dir, info_dict, block_list=None):
   file containing it."""
   return CreateImage(input_dir, info_dict, "vendor", block_list=block_list)
 
+def AddOem(output_zip, prefix="IMAGES/"):
+  """Turn the contents of OEM into a oem image and store in it
+  output_zip."""
+
+  prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "oem.img")
+  if os.path.exists(prebuilt_path):
+    print "oem.img already exists in %s, no need to rebuild..." % (prefix,)
+    return
+
+  block_list = common.MakeTempFile(prefix="oem-blocklist-", suffix=".map")
+  imgname = BuildOem(OPTIONS.input_tmp, OPTIONS.info_dict,
+                     block_list=block_list)
+  with open(imgname, "rb") as f:
+    common.ZipWriteStr(output_zip, prefix + "oem.img", f.read())
+  with open(block_list, "rb") as f:
+    common.ZipWriteStr(output_zip, prefix + "oem.map", f.read())
+
+
+def BuildOem(input_dir, info_dict, block_list=None):
+  """Build the (sparse) oem image and return the name of a temp
+  file containing it."""
+  return CreateImage(input_dir, info_dict, "oem", block_list=block_list)
+
 
 def CreateImage(input_dir, info_dict, what, block_list=None):
   print "creating " + what + ".img..."
@@ -117,18 +193,25 @@ def CreateImage(input_dir, info_dict, what, block_list=None):
   try:
     os.symlink(os.path.join(input_dir, what.upper()),
                os.path.join(input_dir, what))
-  except OSError, e:
-      # bogus error on my mac version?
-      #   File "./build/tools/releasetools/img_from_target_files", line 86, in AddSystem
-      #     os.path.join(OPTIONS.input_tmp, "system"))
-      # OSError: [Errno 17] File exists
-    if (e.errno == errno.EEXIST):
+  except OSError as e:
+    # bogus error on my mac version?
+    #   File "./build/tools/releasetools/img_from_target_files"
+    #     os.path.join(OPTIONS.input_tmp, "system"))
+    # OSError: [Errno 17] File exists
+    if e.errno == errno.EEXIST:
       pass
 
   image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
   fstab = info_dict["fstab"]
-  if fstab:
-    image_props["fs_type" ] = fstab["/" + what].fs_type
+  mount_point = "/" + what
+  if fstab and mount_point in fstab:
+    image_props["fs_type"] = fstab[mount_point].fs_type
+
+  # Use a fixed timestamp (01/01/2009) when packaging the image.
+  # Bug: 24377993
+  epoch = datetime.datetime.fromtimestamp(0)
+  timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+  image_props["timestamp"] = int(timestamp)
 
   if what == "system":
     fs_config_prefix = ""
@@ -137,31 +220,37 @@ def CreateImage(input_dir, info_dict, what, block_list=None):
 
   fs_config = os.path.join(
       input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
-  if not os.path.exists(fs_config): fs_config = None
+  if not os.path.exists(fs_config):
+    fs_config = None
 
-  fc_config = os.path.join(input_dir, "BOOT/RAMDISK/file_contexts")
-  if not os.path.exists(fc_config): fc_config = None
+  # Override values loaded from info_dict.
+  if fs_config:
+    image_props["fs_config"] = fs_config
+  if block_list:
+    image_props["block_list"] = block_list
 
   succ = build_image.BuildImage(os.path.join(input_dir, what),
-                                image_props, img,
-                                fs_config=fs_config,
-                                fc_config=fc_config,
-                                block_list=block_list)
+                                image_props, img)
   assert succ, "build " + what + ".img image failed"
 
   return img
 
 
 def AddUserdata(output_zip, prefix="IMAGES/"):
-  """Create an empty userdata image and store it in output_zip."""
+  """Create a userdata image and store it in output_zip.
+
+  In most case we just create and store an empty userdata.img;
+  But the invoker can also request to create userdata.img with real
+  data from the target files, by setting "userdata_img_with_data=true"
+  in OPTIONS.info_dict.
+  """
 
   prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "userdata.img")
   if os.path.exists(prebuilt_path):
     print "userdata.img already exists in %s, no need to rebuild..." % (prefix,)
     return
 
-  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
-                                                    "data")
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict, "data")
   # We only allow yaffs to have a 0/missing partition_size.
   # Extfs, f2fs must have a size. Skip userdata.img if no size.
   if (not image_props.get("fs_type", "").startswith("yaffs") and
@@ -170,6 +259,66 @@ def AddUserdata(output_zip, prefix="IMAGES/"):
 
   print "creating userdata.img..."
 
+  # Use a fixed timestamp (01/01/2009) when packaging the image.
+  # Bug: 24377993
+  epoch = datetime.datetime.fromtimestamp(0)
+  timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+  image_props["timestamp"] = int(timestamp)
+
+  # The name of the directory it is making an image out of matters to
+  # mkyaffs2image.  So we create a temp dir, and within it we create an
+  # empty dir named "data", or a symlink to the DATA dir,
+  # and build the image from that.
+  temp_dir = tempfile.mkdtemp()
+  user_dir = os.path.join(temp_dir, "data")
+  empty = (OPTIONS.info_dict.get("userdata_img_with_data") != "true")
+  if empty:
+    # Create an empty dir.
+    os.mkdir(user_dir)
+  else:
+    # Symlink to the DATA dir.
+    os.symlink(os.path.join(OPTIONS.input_tmp, "DATA"),
+               user_dir)
+
+  img = tempfile.NamedTemporaryFile()
+
+  fstab = OPTIONS.info_dict["fstab"]
+  if fstab:
+    image_props["fs_type"] = fstab["/data"].fs_type
+  succ = build_image.BuildImage(user_dir, image_props, img.name)
+  assert succ, "build userdata.img image failed"
+
+  common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
+  common.ZipWrite(output_zip, img.name, prefix + "userdata.img")
+  img.close()
+  shutil.rmtree(temp_dir)
+
+
+def AddUserdataExtra(output_zip, prefix="IMAGES/"):
+  """Create extra userdata image and store it in output_zip."""
+
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                  "data_extra")
+
+  # The build system has to explicitly request extra userdata.
+  if "fs_type" not in image_props:
+    return
+
+  extra_name = image_props.get("partition_name", "extra")
+
+  prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "userdata_%s.img" % extra_name)
+  if os.path.exists(prebuilt_path):
+    print "userdata_%s.img already exists in %s, no need to rebuild..." % (extra_name, prefix,)
+    return
+
+  # We only allow yaffs to have a 0/missing partition_size.
+  # Extfs, f2fs must have a size. Skip userdata_extra.img if no size.
+  if (not image_props.get("fs_type", "").startswith("yaffs") and
+      not image_props.get("partition_size")):
+    return
+
+  print "creating userdata_%s.img..." % extra_name
+
   # The name of the directory it is making an image out of matters to
   # mkyaffs2image.  So we create a temp dir, and within it we create an
   # empty dir named "data", and build the image from that.
@@ -182,10 +331,11 @@ def AddUserdata(output_zip, prefix="IMAGES/"):
   if fstab:
     image_props["fs_type" ] = fstab["/data"].fs_type
   succ = build_image.BuildImage(user_dir, image_props, img.name)
-  assert succ, "build userdata.img image failed"
+  assert succ, "build userdata_%s.img image failed" % extra_name
 
-  common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
-  output_zip.write(img.name, prefix + "userdata.img")
+  # Disable size check since this fetches original data partition size
+  #common.CheckSize(img.name, "userdata_extra.img", OPTIONS.info_dict)
+  output_zip.write(img.name, prefix + "userdata_%s.img" % extra_name)
   img.close()
   os.rmdir(user_dir)
   os.rmdir(temp_dir)
@@ -199,14 +349,19 @@ def AddCache(output_zip, prefix="IMAGES/"):
     print "cache.img already exists in %s, no need to rebuild..." % (prefix,)
     return
 
-  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
-                                                    "cache")
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict, "cache")
   # The build system has to explicitly request for cache.img.
   if "fs_type" not in image_props:
     return
 
   print "creating cache.img..."
 
+  # Use a fixed timestamp (01/01/2009) when packaging the image.
+  # Bug: 24377993
+  epoch = datetime.datetime.fromtimestamp(0)
+  timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+  image_props["timestamp"] = int(timestamp)
+
   # The name of the directory it is making an image out of matters to
   # mkyaffs2image.  So we create a temp dir, and within it we create an
   # empty dir named "cache", and build the image from that.
@@ -217,12 +372,12 @@ def AddCache(output_zip, prefix="IMAGES/"):
 
   fstab = OPTIONS.info_dict["fstab"]
   if fstab:
-    image_props["fs_type" ] = fstab["/cache"].fs_type
+    image_props["fs_type"] = fstab["/cache"].fs_type
   succ = build_image.BuildImage(user_dir, image_props, img.name)
   assert succ, "build cache.img image failed"
 
   common.CheckSize(img.name, "cache.img", OPTIONS.info_dict)
-  output_zip.write(img.name, prefix + "cache.img")
+  common.ZipWrite(output_zip, img.name, prefix + "cache.img")
   img.close()
   os.rmdir(user_dir)
   os.rmdir(temp_dir)
@@ -243,15 +398,23 @@ def AddImagesToTargetFiles(filename):
   except KeyError:
     has_vendor = False
 
-  OPTIONS.info_dict = common.LoadInfoDict(input_zip)
-  if "selinux_fc" in OPTIONS.info_dict:
-    OPTIONS.info_dict["selinux_fc"] = os.path.join(
-        OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
+  has_system_other = "SYSTEM_OTHER/" in input_zip.namelist()
 
-  input_zip.close()
+  try:
+    input_zip.getinfo("OEM/")
+    has_oem = True
+  except KeyError:
+    has_oem = False
+
+  OPTIONS.info_dict = common.LoadInfoDict(input_zip, OPTIONS.input_tmp)
+
+  common.ZipClose(input_zip)
   output_zip = zipfile.ZipFile(filename, "a",
                                compression=zipfile.ZIP_DEFLATED)
 
+  has_recovery = (OPTIONS.info_dict.get("no_recovery") != "true")
+  use_two_step_recovery = (OPTIONS.info_dict.get("no_two_step_recovery") != "true")
+
   def banner(s):
     print "\n\n++++ " + s + " ++++\n\n"
 
@@ -269,49 +432,113 @@ def banner(s):
     if boot_image:
       boot_image.AddToZip(output_zip)
 
-  banner("recovery")
   recovery_image = None
-  prebuilt_path = os.path.join(OPTIONS.input_tmp, "IMAGES", "recovery.img")
-  if os.path.exists(prebuilt_path):
-    print "recovery.img already exists in IMAGES/, no need to rebuild..."
-    if OPTIONS.rebuild_recovery:
+  if has_recovery:
+    banner("recovery")
+    prebuilt_path = os.path.join(OPTIONS.input_tmp, "IMAGES", "recovery.img")
+    if os.path.exists(prebuilt_path):
+      print "recovery.img already exists in IMAGES/, no need to rebuild..."
+      if OPTIONS.rebuild_recovery:
+        recovery_image = common.GetBootableImage(
+            "IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp,
+            "RECOVERY")
+    else:
       recovery_image = common.GetBootableImage(
           "IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
-  else:
-    recovery_image = common.GetBootableImage(
-        "IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
-    if recovery_image:
-      recovery_image.AddToZip(output_zip)
+      if recovery_image:
+        recovery_image.AddToZip(output_zip)
+
+      if use_two_step_recovery:
+        banner("recovery (two-step image)")
+        # The special recovery.img for two-step package use.
+        recovery_two_step_image = common.GetBootableImage(
+            "IMAGES/recovery-two-step.img", "recovery-two-step.img",
+            OPTIONS.input_tmp, "RECOVERY", two_step_image=True)
+        if recovery_two_step_image:
+          recovery_two_step_image.AddToZip(output_zip)
 
   banner("system")
-  AddSystem(output_zip, recovery_img=recovery_image, boot_img=boot_image)
+  system_imgname = AddSystem(output_zip, recovery_img=recovery_image,
+                             boot_img=boot_image)
+  vendor_imgname = None
   if has_vendor:
     banner("vendor")
-    AddVendor(output_zip)
-  banner("userdata")
-  AddUserdata(output_zip)
-  banner("cache")
-  AddCache(output_zip)
-
-  output_zip.close()
+    vendor_imgname = AddVendor(output_zip)
+  if has_system_other:
+    banner("system_other")
+    AddSystemOther(output_zip)
+  if not OPTIONS.is_signing:
+    banner("userdata")
+    AddUserdata(output_zip)
+    banner("extrauserdata")
+    AddUserdataExtra(output_zip)
+    banner("cache")
+    AddCache(output_zip)
+  if has_oem:
+    banner("oem")
+    AddOem(output_zip)
+
+  # For devices using A/B update, copy over images from RADIO/ to IMAGES/ and
+  # make sure we have all the needed images ready under IMAGES/.
+  ab_partitions = os.path.join(OPTIONS.input_tmp, "META", "ab_partitions.txt")
+  if os.path.exists(ab_partitions):
+    with open(ab_partitions, 'r') as f:
+      lines = f.readlines()
+    # For devices using A/B update, generate care_map for system and vendor
+    # partitions (if present), then write this file to target_files package.
+    care_map_list = []
+    for line in lines:
+      if line.strip() == "system" and OPTIONS.info_dict.get(
+          "system_verity_block_device", None) is not None:
+        assert os.path.exists(system_imgname)
+        care_map_list += GetCareMap("system", system_imgname)
+      if line.strip() == "vendor" and OPTIONS.info_dict.get(
+          "vendor_verity_block_device", None) is not None:
+        assert os.path.exists(vendor_imgname)
+        care_map_list += GetCareMap("vendor", vendor_imgname)
+
+      img_name = line.strip() + ".img"
+      img_radio_path = os.path.join(OPTIONS.input_tmp, "RADIO", img_name)
+      if os.path.exists(img_radio_path):
+        common.ZipWrite(output_zip, img_radio_path,
+                        os.path.join("IMAGES", img_name))
+
+      # Zip spec says: All slashes MUST be forward slashes.
+      img_path = 'IMAGES/' + img_name
+      assert img_path in output_zip.namelist(), "cannot find " + img_name
+
+    if care_map_list:
+      file_path = "META/care_map.txt"
+      common.ZipWriteStr(output_zip, file_path, '\n'.join(care_map_list))
+
+  common.ZipClose(output_zip)
 
 def main(argv):
-
   def option_handler(o, a):
     if o in ("-a", "--add_missing"):
       OPTIONS.add_missing = True
     elif o in ("-r", "--rebuild_recovery",):
       OPTIONS.rebuild_recovery = True
+    elif o == "--replace_verity_private_key":
+      OPTIONS.replace_verity_private_key = (True, a)
+    elif o == "--replace_verity_public_key":
+      OPTIONS.replace_verity_public_key = (True, a)
+    elif o == "--is_signing":
+      OPTIONS.is_signing = True
+    elif o == "--verity_signer_path":
+      OPTIONS.verity_signer_path = a
     else:
       return False
     return True
 
-  args = common.ParseOptions(argv, __doc__,
-                             extra_opts="ar",
-                             extra_long_opts=["add_missing",
-                                              "rebuild_recovery",
-                                              ],
-                             extra_option_handler=option_handler)
+  args = common.ParseOptions(
+      argv, __doc__, extra_opts="ar",
+      extra_long_opts=["add_missing", "rebuild_recovery",
+                       "replace_verity_public_key=",
+                       "replace_verity_private_key=",
+                       "is_signing",
+                       "verity_signer_path="],
+      extra_option_handler=option_handler)
 
 
   if len(args) != 1:
@@ -325,7 +552,7 @@ def option_handler(o, a):
   try:
     common.CloseInheritedPipes()
     main(sys.argv[1:])
-  except common.ExternalError, e:
+  except common.ExternalError as e:
     print
     print "   ERROR: %s" % (e,)
     print
diff --git a/tools/releasetools/blockimgdiff.py b/tools/releasetools/blockimgdiff.py
index 8b179d5a3..ade2ef534 100644
--- a/tools/releasetools/blockimgdiff.py
+++ b/tools/releasetools/blockimgdiff.py
@@ -16,21 +16,25 @@
 
 from collections import deque, OrderedDict
 from hashlib import sha1
+import array
+import common
+import functools
 import heapq
 import itertools
 import multiprocessing
 import os
-import pprint
 import re
 import subprocess
-import sys
 import threading
+import time
 import tempfile
 
-from rangelib import *
+from rangelib import RangeSet
+
 
 __all__ = ["EmptyImage", "DataImage", "BlockImageDiff"]
 
+
 def compute_patch(src, tgt, imgdiff=False):
   srcfd, srcfile = tempfile.mkstemp(prefix="src-")
   tgtfd, tgtfile = tempfile.mkstemp(prefix="tgt-")
@@ -69,19 +73,33 @@ def compute_patch(src, tgt, imgdiff=False):
     except OSError:
       pass
 
-class EmptyImage(object):
+
+class Image(object):
+  def ReadRangeSet(self, ranges):
+    raise NotImplementedError
+
+  def TotalSha1(self, include_clobbered_blocks=False):
+    raise NotImplementedError
+
+
+class EmptyImage(Image):
   """A zero-length image."""
   blocksize = 4096
   care_map = RangeSet()
+  clobbered_blocks = RangeSet()
+  extended = RangeSet()
   total_blocks = 0
   file_map = {}
   def ReadRangeSet(self, ranges):
     return ()
-  def TotalSha1(self):
+  def TotalSha1(self, include_clobbered_blocks=False):
+    # EmptyImage always carries empty clobbered_blocks, so
+    # include_clobbered_blocks can be ignored.
+    assert self.clobbered_blocks.size() == 0
     return sha1().hexdigest()
 
 
-class DataImage(object):
+class DataImage(Image):
   """An image wrapped around a single string of data."""
 
   def __init__(self, data, trim=False, pad=False):
@@ -91,11 +109,13 @@ def __init__(self, data, trim=False, pad=False):
     assert not (trim and pad)
 
     partial = len(self.data) % self.blocksize
+    padded = False
     if partial > 0:
       if trim:
         self.data = self.data[:-partial]
       elif pad:
         self.data += '\0' * (self.blocksize - partial)
+        padded = True
       else:
         raise ValueError(("data for DataImage must be multiple of %d bytes "
                           "unless trim or pad is specified") %
@@ -105,12 +125,23 @@ def __init__(self, data, trim=False, pad=False):
 
     self.total_blocks = len(self.data) / self.blocksize
     self.care_map = RangeSet(data=(0, self.total_blocks))
+    # When the last block is padded, we always write the whole block even for
+    # incremental OTAs. Because otherwise the last block may get skipped if
+    # unchanged for an incremental, but would fail the post-install
+    # verification if it has non-zero contents in the padding bytes.
+    # Bug: 23828506
+    if padded:
+      clobbered_blocks = [self.total_blocks-1, self.total_blocks]
+    else:
+      clobbered_blocks = []
+    self.clobbered_blocks = clobbered_blocks
+    self.extended = RangeSet()
 
     zero_blocks = []
     nonzero_blocks = []
     reference = '\0' * self.blocksize
 
-    for i in range(self.total_blocks):
+    for i in range(self.total_blocks-1 if padded else self.total_blocks):
       d = self.data[i*self.blocksize : (i+1)*self.blocksize]
       if d == reference:
         zero_blocks.append(i)
@@ -119,16 +150,25 @@ def __init__(self, data, trim=False, pad=False):
         nonzero_blocks.append(i)
         nonzero_blocks.append(i+1)
 
-    self.file_map = {"__ZERO": RangeSet(zero_blocks),
-                     "__NONZERO": RangeSet(nonzero_blocks)}
+    assert zero_blocks or nonzero_blocks or clobbered_blocks
+
+    self.file_map = dict()
+    if zero_blocks:
+      self.file_map["__ZERO"] = RangeSet(data=zero_blocks)
+    if nonzero_blocks:
+      self.file_map["__NONZERO"] = RangeSet(data=nonzero_blocks)
+    if clobbered_blocks:
+      self.file_map["__COPY"] = RangeSet(data=clobbered_blocks)
 
   def ReadRangeSet(self, ranges):
     return [self.data[s*self.blocksize:e*self.blocksize] for (s, e) in ranges]
 
-  def TotalSha1(self):
-    if not hasattr(self, "sha1"):
-      self.sha1 = sha1(self.data).hexdigest()
-    return self.sha1
+  def TotalSha1(self, include_clobbered_blocks=False):
+    if not include_clobbered_blocks:
+      ranges = self.care_map.subtract(self.clobbered_blocks)
+      return sha1(self.ReadRangeSet(ranges)).hexdigest()
+    else:
+      return sha1(self.data).hexdigest()
 
 
 class Transfer(object):
@@ -140,8 +180,11 @@ def __init__(self, tgt_name, src_name, tgt_ranges, src_ranges, style, by_id):
     self.style = style
     self.intact = (getattr(tgt_ranges, "monotonic", False) and
                    getattr(src_ranges, "monotonic", False))
-    self.goes_before = {}
-    self.goes_after = {}
+
+    # We use OrderedDict rather than dict so that the output is repeatable;
+    # otherwise it would depend on the hash values of the Transfer objects.
+    self.goes_before = OrderedDict()
+    self.goes_after = OrderedDict()
 
     self.stash_before = []
     self.use_stash = []
@@ -153,11 +196,34 @@ def NetStashChange(self):
     return (sum(sr.size() for (_, sr) in self.stash_before) -
             sum(sr.size() for (_, sr) in self.use_stash))
 
+  def ConvertToNew(self):
+    assert self.style != "new"
+    self.use_stash = []
+    self.style = "new"
+    self.src_ranges = RangeSet()
+
   def __str__(self):
     return (str(self.id) + ": <" + str(self.src_ranges) + " " + self.style +
             " to " + str(self.tgt_ranges) + ">")
 
 
+@functools.total_ordering
+class HeapItem(object):
+  def __init__(self, item):
+    self.item = item
+    # Negate the score since python's heap is a min-heap and we want
+    # the maximum score.
+    self.score = -item.score
+  def clear(self):
+    self.item = None
+  def __bool__(self):
+    return self.item is None
+  def __eq__(self, other):
+    return self.score == other.score
+  def __le__(self, other):
+    return self.score <= other.score
+
+
 # BlockImageDiff works on two image objects.  An image object is
 # anything that provides the following attributes:
 #
@@ -174,6 +240,10 @@ def __str__(self):
 #      (Typically a domain is a file, and the key in file_map is the
 #      pathname.)
 #
+#    clobbered_blocks: a RangeSet containing which blocks contain data
+#      but may be altered by the FS. They need to be excluded when
+#      verifying the partition integrity.
+#
 #    ReadRangeSet(): a function that takes a RangeSet and returns the
 #      data contained in the image blocks of that RangeSet.  The data
 #      is returned as a list or tuple of strings; concatenating the
@@ -183,21 +253,31 @@ def __str__(self):
 #
 #    TotalSha1(): a function that returns (as a hex string) the SHA-1
 #      hash of all the data in the image (ie, all the blocks in the
-#      care_map)
+#      care_map minus clobbered_blocks, or including the clobbered
+#      blocks if include_clobbered_blocks is True).
 #
 # When creating a BlockImageDiff, the src image may be None, in which
 # case the list of transfers produced will never read from the
 # original image.
 
 class BlockImageDiff(object):
-  def __init__(self, tgt, src=None, threads=None, version=2):
+  def __init__(self, tgt, src=None, threads=None, version=4,
+               disable_imgdiff=False):
     if threads is None:
       threads = multiprocessing.cpu_count() // 2
-      if threads == 0: threads = 1
+      if threads == 0:
+        threads = 1
     self.threads = threads
     self.version = version
+    self.transfers = []
+    self.src_basenames = {}
+    self.src_numpatterns = {}
+    self._max_stashed_size = 0
+    self.touched_src_ranges = RangeSet()
+    self.touched_src_sha1 = None
+    self.disable_imgdiff = disable_imgdiff
 
-    assert version in (1, 2)
+    assert version in (1, 2, 3, 4)
 
     self.tgt = tgt
     if src is None:
@@ -213,6 +293,10 @@ def __init__(self, tgt, src=None, threads=None, version=2):
     self.AssertPartition(src.care_map, src.file_map.values())
     self.AssertPartition(tgt.care_map, tgt.file_map.values())
 
+  @property
+  def max_stashed_size(self):
+    return self._max_stashed_size
+
   def Compute(self, prefix):
     # When looking for a source file to use as the diff input for a
     # target file, we try:
@@ -238,17 +322,45 @@ def Compute(self, prefix):
       self.ReverseBackwardEdges()
       self.ImproveVertexSequence()
 
+    # Ensure the runtime stash size is under the limit.
+    if self.version >= 2 and common.OPTIONS.cache_size is not None:
+      self.ReviseStashSize()
+
     # Double-check our work.
     self.AssertSequenceGood()
 
     self.ComputePatches(prefix)
     self.WriteTransfers(prefix)
 
+  def HashBlocks(self, source, ranges): # pylint: disable=no-self-use
+    data = source.ReadRangeSet(ranges)
+    ctx = sha1()
+
+    for p in data:
+      ctx.update(p)
+
+    return ctx.hexdigest()
+
   def WriteTransfers(self, prefix):
+    def WriteSplitTransfers(out, style, target_blocks):
+      """Limit the size of operand in command 'new' and 'zero' to 1024 blocks.
+
+      This prevents the target size of one command from being too large; and
+      might help to avoid fsync errors on some devices."""
+
+      assert (style == "new" or style == "zero")
+      blocks_limit = 1024
+      total = 0
+      while target_blocks:
+        blocks_to_write = target_blocks.first(blocks_limit)
+        out.append("%s %s\n" % (style, blocks_to_write.to_string_raw()))
+        total += blocks_to_write.size()
+        target_blocks = target_blocks.subtract(blocks_to_write)
+      return total
+
     out = []
 
     total = 0
-    performs_read = False
 
     stashes = {}
     stashed_blocks = 0
@@ -271,15 +383,28 @@ def WriteTransfers(self, prefix):
           sid = next_stash_id
           next_stash_id += 1
         stashes[s] = sid
-        stashed_blocks += sr.size()
-        out.append("stash %d %s\n" % (sid, sr.to_string_raw()))
+        if self.version == 2:
+          stashed_blocks += sr.size()
+          out.append("stash %d %s\n" % (sid, sr.to_string_raw()))
+        else:
+          sh = self.HashBlocks(self.src, sr)
+          if sh in stashes:
+            stashes[sh] += 1
+          else:
+            stashes[sh] = 1
+            stashed_blocks += sr.size()
+            self.touched_src_ranges = self.touched_src_ranges.union(sr)
+            out.append("stash %s %s\n" % (sh, sr.to_string_raw()))
 
       if stashed_blocks > max_stashed_blocks:
         max_stashed_blocks = stashed_blocks
 
+      free_string = []
+      free_size = 0
+
       if self.version == 1:
-        src_string = xf.src_ranges.to_string_raw()
-      elif self.version == 2:
+        src_str = xf.src_ranges.to_string_raw() if xf.src_ranges else ""
+      elif self.version >= 2:
 
         #   <# blocks> <src ranges>
         #     OR
@@ -288,33 +413,49 @@ def WriteTransfers(self, prefix):
         #   <# blocks> - <stash refs...>
 
         size = xf.src_ranges.size()
-        src_string = [str(size)]
+        src_str = [str(size)]
 
         unstashed_src_ranges = xf.src_ranges
         mapped_stashes = []
         for s, sr in xf.use_stash:
           sid = stashes.pop(s)
-          stashed_blocks -= sr.size()
           unstashed_src_ranges = unstashed_src_ranges.subtract(sr)
+          sh = self.HashBlocks(self.src, sr)
           sr = xf.src_ranges.map_within(sr)
           mapped_stashes.append(sr)
-          src_string.append("%d:%s" % (sid, sr.to_string_raw()))
+          if self.version == 2:
+            src_str.append("%d:%s" % (sid, sr.to_string_raw()))
+            # A stash will be used only once. We need to free the stash
+            # immediately after the use, instead of waiting for the automatic
+            # clean-up at the end. Because otherwise it may take up extra space
+            # and lead to OTA failures.
+            # Bug: 23119955
+            free_string.append("free %d\n" % (sid,))
+            free_size += sr.size()
+          else:
+            assert sh in stashes
+            src_str.append("%s:%s" % (sh, sr.to_string_raw()))
+            stashes[sh] -= 1
+            if stashes[sh] == 0:
+              free_size += sr.size()
+              free_string.append("free %s\n" % (sh))
+              stashes.pop(sh)
           heapq.heappush(free_stash_ids, sid)
 
         if unstashed_src_ranges:
-          src_string.insert(1, unstashed_src_ranges.to_string_raw())
+          src_str.insert(1, unstashed_src_ranges.to_string_raw())
           if xf.use_stash:
             mapped_unstashed = xf.src_ranges.map_within(unstashed_src_ranges)
-            src_string.insert(2, mapped_unstashed.to_string_raw())
+            src_str.insert(2, mapped_unstashed.to_string_raw())
             mapped_stashes.append(mapped_unstashed)
             self.AssertPartition(RangeSet(data=(0, size)), mapped_stashes)
         else:
-          src_string.insert(1, "-")
+          src_str.insert(1, "-")
           self.AssertPartition(RangeSet(data=(0, size)), mapped_stashes)
 
-        src_string = " ".join(src_string)
+        src_str = " ".join(src_str)
 
-      # both versions:
+      # all versions:
       #   zero <rangeset>
       #   new <rangeset>
       #   erase <rangeset>
@@ -325,18 +466,22 @@ def WriteTransfers(self, prefix):
       #   move <src rangeset> <tgt rangeset>
       #
       # version 2:
-      #   bsdiff patchstart patchlen <tgt rangeset> <src_string>
-      #   imgdiff patchstart patchlen <tgt rangeset> <src_string>
-      #   move <tgt rangeset> <src_string>
+      #   bsdiff patchstart patchlen <tgt rangeset> <src_str>
+      #   imgdiff patchstart patchlen <tgt rangeset> <src_str>
+      #   move <tgt rangeset> <src_str>
+      #
+      # version 3:
+      #   bsdiff patchstart patchlen srchash tgthash <tgt rangeset> <src_str>
+      #   imgdiff patchstart patchlen srchash tgthash <tgt rangeset> <src_str>
+      #   move hash <tgt rangeset> <src_str>
 
       tgt_size = xf.tgt_ranges.size()
 
       if xf.style == "new":
         assert xf.tgt_ranges
-        out.append("%s %s\n" % (xf.style, xf.tgt_ranges.to_string_raw()))
+        assert tgt_size == WriteSplitTransfers(out, xf.style, xf.tgt_ranges)
         total += tgt_size
       elif xf.style == "move":
-        performs_read = True
         assert xf.tgt_ranges
         assert xf.src_ranges.size() == tgt_size
         if xf.src_ranges != xf.tgt_ranges:
@@ -347,10 +492,23 @@ def WriteTransfers(self, prefix):
           elif self.version == 2:
             out.append("%s %s %s\n" % (
                 xf.style,
-                xf.tgt_ranges.to_string_raw(), src_string))
+                xf.tgt_ranges.to_string_raw(), src_str))
+          elif self.version >= 3:
+            # take into account automatic stashing of overlapping blocks
+            if xf.src_ranges.overlaps(xf.tgt_ranges):
+              temp_stash_usage = stashed_blocks + xf.src_ranges.size()
+              if temp_stash_usage > max_stashed_blocks:
+                max_stashed_blocks = temp_stash_usage
+
+            self.touched_src_ranges = self.touched_src_ranges.union(
+                xf.src_ranges)
+
+            out.append("%s %s %s %s\n" % (
+                xf.style,
+                self.HashBlocks(self.tgt, xf.tgt_ranges),
+                xf.tgt_ranges.to_string_raw(), src_str))
           total += tgt_size
       elif xf.style in ("bsdiff", "imgdiff"):
-        performs_read = True
         assert xf.tgt_ranges
         assert xf.src_ranges
         if self.version == 1:
@@ -360,37 +518,81 @@ def WriteTransfers(self, prefix):
         elif self.version == 2:
           out.append("%s %d %d %s %s\n" % (
               xf.style, xf.patch_start, xf.patch_len,
-              xf.tgt_ranges.to_string_raw(), src_string))
+              xf.tgt_ranges.to_string_raw(), src_str))
+        elif self.version >= 3:
+          # take into account automatic stashing of overlapping blocks
+          if xf.src_ranges.overlaps(xf.tgt_ranges):
+            temp_stash_usage = stashed_blocks + xf.src_ranges.size()
+            if temp_stash_usage > max_stashed_blocks:
+              max_stashed_blocks = temp_stash_usage
+
+          self.touched_src_ranges = self.touched_src_ranges.union(
+              xf.src_ranges)
+
+          out.append("%s %d %d %s %s %s %s\n" % (
+              xf.style,
+              xf.patch_start, xf.patch_len,
+              self.HashBlocks(self.src, xf.src_ranges),
+              self.HashBlocks(self.tgt, xf.tgt_ranges),
+              xf.tgt_ranges.to_string_raw(), src_str))
         total += tgt_size
       elif xf.style == "zero":
         assert xf.tgt_ranges
         to_zero = xf.tgt_ranges.subtract(xf.src_ranges)
-        if to_zero:
-          out.append("%s %s\n" % (xf.style, to_zero.to_string_raw()))
-          total += to_zero.size()
+        assert WriteSplitTransfers(out, xf.style, to_zero) == to_zero.size()
+        total += to_zero.size()
       else:
-        raise ValueError, "unknown transfer style '%s'\n" % (xf.style,)
-
+        raise ValueError("unknown transfer style '%s'\n" % xf.style)
+
+      if free_string:
+        out.append("".join(free_string))
+        stashed_blocks -= free_size
+
+      if self.version >= 2 and common.OPTIONS.cache_size is not None:
+        # Sanity check: abort if we're going to need more stash space than
+        # the allowed size (cache_size * threshold). There are two purposes
+        # of having a threshold here. a) Part of the cache may have been
+        # occupied by some recovery logs. b) It will buy us some time to deal
+        # with the oversize issue.
+        cache_size = common.OPTIONS.cache_size
+        stash_threshold = common.OPTIONS.stash_threshold
+        max_allowed = cache_size * stash_threshold
+        assert max_stashed_blocks * self.tgt.blocksize < max_allowed, \
+               'Stash size %d (%d * %d) exceeds the limit %d (%d * %.2f)' % (
+                   max_stashed_blocks * self.tgt.blocksize, max_stashed_blocks,
+                   self.tgt.blocksize, max_allowed, cache_size,
+                   stash_threshold)
+
+    if self.version >= 3:
+      self.touched_src_sha1 = self.HashBlocks(
+          self.src, self.touched_src_ranges)
+
+    # Zero out extended blocks as a workaround for bug 20881595.
+    if self.tgt.extended:
+      assert (WriteSplitTransfers(out, "zero", self.tgt.extended) ==
+              self.tgt.extended.size())
+      total += self.tgt.extended.size()
+
+    # We erase all the blocks on the partition that a) don't contain useful
+    # data in the new image; b) will not be touched by dm-verity. Out of those
+    # blocks, we erase the ones that won't be used in this update at the
+    # beginning of an update. The rest would be erased at the end. This is to
+    # work around the eMMC issue observed on some devices, which may otherwise
+    # get starving for clean blocks and thus fail the update. (b/28347095)
+    all_tgt = RangeSet(data=(0, self.tgt.total_blocks))
+    all_tgt_minus_extended = all_tgt.subtract(self.tgt.extended)
+    new_dontcare = all_tgt_minus_extended.subtract(self.tgt.care_map)
 
-      # sanity check: abort if we're going to need more than 512 MB if
-      # stash space
-      assert max_stashed_blocks * self.tgt.blocksize < (512 << 20)
+    erase_first = new_dontcare.subtract(self.touched_src_ranges)
+    if erase_first:
+      out.insert(0, "erase %s\n" % (erase_first.to_string_raw(),))
 
-    all_tgt = RangeSet(data=(0, self.tgt.total_blocks))
-    if performs_read:
-      # if some of the original data is used, then at the end we'll
-      # erase all the blocks on the partition that don't contain data
-      # in the new image.
-      new_dontcare = all_tgt.subtract(self.tgt.care_map)
-      if new_dontcare:
-        out.append("erase %s\n" % (new_dontcare.to_string_raw(),))
-    else:
-      # if nothing is read (ie, this is a full OTA), then we can start
-      # by erasing the entire partition.
-      out.insert(0, "erase %s\n" % (all_tgt.to_string_raw(),))
+    erase_last = new_dontcare.subtract(erase_first)
+    if erase_last:
+      out.append("erase %s\n" % (erase_last.to_string_raw(),))
 
     out.insert(0, "%d\n" % (self.version,))   # format version number
-    out.insert(1, str(total) + "\n")
+    out.insert(1, "%d\n" % (total,))
     if self.version >= 2:
       # version 2 only: after the total block count, we give the number
       # of stash slots needed, and the maximum size needed (in blocks)
@@ -402,8 +604,90 @@ def WriteTransfers(self, prefix):
         f.write(i)
 
     if self.version >= 2:
-      print("max stashed blocks: %d  (%d bytes)\n" % (
-          max_stashed_blocks, max_stashed_blocks * self.tgt.blocksize))
+      self._max_stashed_size = max_stashed_blocks * self.tgt.blocksize
+      OPTIONS = common.OPTIONS
+      if OPTIONS.cache_size is not None:
+        max_allowed = OPTIONS.cache_size * OPTIONS.stash_threshold
+        print("max stashed blocks: %d  (%d bytes), "
+              "limit: %d bytes (%.2f%%)\n" % (
+              max_stashed_blocks, self._max_stashed_size, max_allowed,
+              self._max_stashed_size * 100.0 / max_allowed))
+      else:
+        print("max stashed blocks: %d  (%d bytes), limit: <unknown>\n" % (
+              max_stashed_blocks, self._max_stashed_size))
+
+  def ReviseStashSize(self):
+    print("Revising stash size...")
+    stashes = {}
+
+    # Create the map between a stash and its def/use points. For example, for a
+    # given stash of (idx, sr), stashes[idx] = (sr, def_cmd, use_cmd).
+    for xf in self.transfers:
+      # Command xf defines (stores) all the stashes in stash_before.
+      for idx, sr in xf.stash_before:
+        stashes[idx] = (sr, xf)
+
+      # Record all the stashes command xf uses.
+      for idx, _ in xf.use_stash:
+        stashes[idx] += (xf,)
+
+    # Compute the maximum blocks available for stash based on /cache size and
+    # the threshold.
+    cache_size = common.OPTIONS.cache_size
+    stash_threshold = common.OPTIONS.stash_threshold
+    max_allowed = cache_size * stash_threshold / self.tgt.blocksize
+
+    stashed_blocks = 0
+    new_blocks = 0
+
+    # Now go through all the commands. Compute the required stash size on the
+    # fly. If a command requires excess stash than available, it deletes the
+    # stash by replacing the command that uses the stash with a "new" command
+    # instead.
+    for xf in self.transfers:
+      replaced_cmds = []
+
+      # xf.stash_before generates explicit stash commands.
+      for idx, sr in xf.stash_before:
+        if stashed_blocks + sr.size() > max_allowed:
+          # We cannot stash this one for a later command. Find out the command
+          # that will use this stash and replace the command with "new".
+          use_cmd = stashes[idx][2]
+          replaced_cmds.append(use_cmd)
+          print("%10d  %9s  %s" % (sr.size(), "explicit", use_cmd))
+        else:
+          stashed_blocks += sr.size()
+
+      # xf.use_stash generates free commands.
+      for _, sr in xf.use_stash:
+        stashed_blocks -= sr.size()
+
+      # "move" and "diff" may introduce implicit stashes in BBOTA v3. Prior to
+      # ComputePatches(), they both have the style of "diff".
+      if xf.style == "diff" and self.version >= 3:
+        assert xf.tgt_ranges and xf.src_ranges
+        if xf.src_ranges.overlaps(xf.tgt_ranges):
+          if stashed_blocks + xf.src_ranges.size() > max_allowed:
+            replaced_cmds.append(xf)
+            print("%10d  %9s  %s" % (xf.src_ranges.size(), "implicit", xf))
+
+      # Replace the commands in replaced_cmds with "new"s.
+      for cmd in replaced_cmds:
+        # It no longer uses any commands in "use_stash". Remove the def points
+        # for all those stashes.
+        for idx, sr in cmd.use_stash:
+          def_cmd = stashes[idx][1]
+          assert (idx, sr) in def_cmd.stash_before
+          def_cmd.stash_before.remove((idx, sr))
+
+        # Add up blocks that violates space limit and print total number to
+        # screen later.
+        new_blocks += cmd.tgt_ranges.size()
+        cmd.ConvertToNew()
+
+    num_of_bytes = new_blocks * self.tgt.blocksize
+    print("  Total %d blocks (%d bytes) are packed as new blocks due to "
+          "insufficient cache size." % (new_blocks, num_of_bytes))
 
   def ComputePatches(self, prefix):
     print("Reticulating splines...")
@@ -412,10 +696,18 @@ def ComputePatches(self, prefix):
     with open(prefix + ".new.dat", "wb") as new_f:
       for xf in self.transfers:
         if xf.style == "zero":
-          pass
+          tgt_size = xf.tgt_ranges.size() * self.tgt.blocksize
+          print("%10d %10d (%6.2f%%) %7s %s" % (
+              tgt_size, tgt_size, 100.0, xf.style, xf.tgt_name))
+
         elif xf.style == "new":
           for piece in self.tgt.ReadRangeSet(xf.tgt_ranges):
             new_f.write(piece)
+          tgt_size = xf.tgt_ranges.size() * self.tgt.blocksize
+          print("%10d %10d (%6.2f%%) %7s %s" % (
+              tgt_size, tgt_size, 100.0, xf.style,
+              xf.tgt_name))
+
         elif xf.style == "diff":
           src = self.src.ReadRangeSet(xf.src_ranges)
           tgt = self.tgt.ReadRangeSet(xf.tgt_ranges)
@@ -442,12 +734,19 @@ def ComputePatches(self, prefix):
             # These are identical; we don't need to generate a patch,
             # just issue copy commands on the device.
             xf.style = "move"
+            if xf.src_ranges != xf.tgt_ranges:
+              print("%10d %10d (%6.2f%%) %7s %s %s (from %s)" % (
+                  tgt_size, tgt_size, 100.0, xf.style,
+                  xf.tgt_name if xf.tgt_name == xf.src_name else (
+                      xf.tgt_name + " (from " + xf.src_name + ")"),
+                  str(xf.tgt_ranges), str(xf.src_ranges)))
           else:
             # For files in zip format (eg, APKs, JARs, etc.) we would
             # like to use imgdiff -z if possible (because it usually
             # produces significantly smaller patches than bsdiff).
             # This is permissible if:
             #
+            #  - imgdiff is not disabled, and
             #  - the source and target files are monotonic (ie, the
             #    data is stored with blocks in increasing order), and
             #  - we haven't removed any blocks from the source set.
@@ -457,7 +756,7 @@ def ComputePatches(self, prefix):
             # zip file (plus possibly extra zeros in the last block),
             # which is what imgdiff needs to operate.  (imgdiff is
             # fine with extra zeros at the end of the file.)
-            imgdiff = (xf.intact and
+            imgdiff = (not self.disable_imgdiff and xf.intact and
                        xf.tgt_name.split(".")[-1].lower()
                        in ("apk", "jar", "zip"))
             xf.style = "imgdiff" if imgdiff else "bsdiff"
@@ -476,23 +775,26 @@ def ComputePatches(self, prefix):
 
       patches = [None] * patch_num
 
+      # TODO: Rewrite with multiprocessing.ThreadPool?
       lock = threading.Lock()
       def diff_worker():
         while True:
           with lock:
-            if not diff_q: return
+            if not diff_q:
+              return
             tgt_size, src, tgt, xf, patchnum = diff_q.pop()
           patch = compute_patch(src, tgt, imgdiff=(xf.style == "imgdiff"))
           size = len(patch)
           with lock:
             patches[patchnum] = (patch, xf)
-            print("%10d %10d (%6.2f%%) %7s %s" % (
+            print("%10d %10d (%6.2f%%) %7s %s %s %s" % (
                 size, tgt_size, size * 100.0 / tgt_size, xf.style,
                 xf.tgt_name if xf.tgt_name == xf.src_name else (
-                    xf.tgt_name + " (from " + xf.src_name + ")")))
+                    xf.tgt_name + " (from " + xf.src_name + ")"),
+                str(xf.tgt_ranges), str(xf.src_ranges)))
 
       threads = [threading.Thread(target=diff_worker)
-                 for i in range(self.threads)]
+                 for _ in range(self.threads)]
       for th in threads:
         th.start()
       while threads:
@@ -514,7 +816,7 @@ def AssertSequenceGood(self):
     # - we write every block we care about exactly once.
 
     # Start with no blocks having been touched yet.
-    touched = RangeSet()
+    touched = array.array("B", "\0" * self.tgt.total_blocks)
 
     # Imagine processing the transfers in order.
     for xf in self.transfers:
@@ -525,14 +827,25 @@ def AssertSequenceGood(self):
         for _, sr in xf.use_stash:
           x = x.subtract(sr)
 
-      assert not touched.overlaps(x)
-      # Check that the output blocks for this transfer haven't yet been touched.
-      assert not touched.overlaps(xf.tgt_ranges)
-      # Touch all the blocks written by this transfer.
-      touched = touched.union(xf.tgt_ranges)
+      for s, e in x:
+        # Source image could be larger. Don't check the blocks that are in the
+        # source image only. Since they are not in 'touched', and won't ever
+        # be touched.
+        for i in range(s, min(e, self.tgt.total_blocks)):
+          assert touched[i] == 0
+
+      # Check that the output blocks for this transfer haven't yet
+      # been touched, and touch all the blocks written by this
+      # transfer.
+      for s, e in xf.tgt_ranges:
+        for i in range(s, e):
+          assert touched[i] == 0
+          touched[i] = 1
 
     # Check that we've written every target block.
-    assert touched == self.tgt.care_map
+    for s, e in self.tgt.care_map:
+      for i in range(s, e):
+        assert touched[i] == 1
 
   def ImproveVertexSequence(self):
     print("Improving vertex order...")
@@ -619,8 +932,6 @@ def ReverseBackwardEdges(self):
     stash_size = 0
 
     for xf in self.transfers:
-      lost = 0
-      size = xf.src_ranges.size()
       for u in xf.goes_before.copy():
         # xf should go before u
         if xf.order < u.order:
@@ -671,6 +982,7 @@ def FindVertexSequence(self):
     for xf in self.transfers:
       xf.incoming = xf.goes_after.copy()
       xf.outgoing = xf.goes_before.copy()
+      xf.score = sum(xf.outgoing.values()) - sum(xf.incoming.values())
 
     # We use an OrderedDict instead of just a set so that the output
     # is repeatable; otherwise it would depend on the hash values of
@@ -681,27 +993,50 @@ def FindVertexSequence(self):
     s1 = deque()  # the left side of the sequence, built from left to right
     s2 = deque()  # the right side of the sequence, built from right to left
 
-    while G:
+    heap = []
+    for xf in self.transfers:
+      xf.heap_item = HeapItem(xf)
+      heap.append(xf.heap_item)
+    heapq.heapify(heap)
+
+    # Use OrderedDict() instead of set() to preserve the insertion order. Need
+    # to use 'sinks[key] = None' to add key into the set. sinks will look like
+    # { key1: None, key2: None, ... }.
+    sinks = OrderedDict.fromkeys(u for u in G if not u.outgoing)
+    sources = OrderedDict.fromkeys(u for u in G if not u.incoming)
+
+    def adjust_score(iu, delta):
+      iu.score += delta
+      iu.heap_item.clear()
+      iu.heap_item = HeapItem(iu)
+      heapq.heappush(heap, iu.heap_item)
 
+    while G:
       # Put all sinks at the end of the sequence.
-      while True:
-        sinks = [u for u in G if not u.outgoing]
-        if not sinks: break
+      while sinks:
+        new_sinks = OrderedDict()
         for u in sinks:
+          if u not in G: continue
           s2.appendleft(u)
           del G[u]
           for iu in u.incoming:
-            del iu.outgoing[u]
+            adjust_score(iu, -iu.outgoing.pop(u))
+            if not iu.outgoing:
+              new_sinks[iu] = None
+        sinks = new_sinks
 
       # Put all the sources at the beginning of the sequence.
-      while True:
-        sources = [u for u in G if not u.incoming]
-        if not sources: break
+      while sources:
+        new_sources = OrderedDict()
         for u in sources:
+          if u not in G: continue
           s1.append(u)
           del G[u]
           for iu in u.outgoing:
-            del iu.incoming[u]
+            adjust_score(iu, +iu.incoming.pop(u))
+            if not iu.incoming:
+              new_sources[iu] = None
+        sources = new_sources
 
       if not G: break
 
@@ -709,21 +1044,23 @@ def FindVertexSequence(self):
       # maximizes the net difference in source blocks saved we get by
       # pretending it's a source rather than a sink.
 
-      max_d = None
-      best_u = None
-      for u in G:
-        d = sum(u.outgoing.values()) - sum(u.incoming.values())
-        if best_u is None or d > max_d:
-          max_d = d
-          best_u = u
+      while True:
+        u = heapq.heappop(heap)
+        if u and u.item in G:
+          u = u.item
+          break
 
-      u = best_u
       s1.append(u)
       del G[u]
       for iu in u.outgoing:
-        del iu.incoming[u]
+        adjust_score(iu, +iu.incoming.pop(u))
+        if not iu.incoming:
+          sources[iu] = None
+
       for iu in u.incoming:
-        del iu.outgoing[u]
+        adjust_score(iu, -iu.outgoing.pop(u))
+        if not iu.outgoing:
+          sinks[iu] = None
 
     # Now record the sequence in the 'order' field of each transfer,
     # and by rearranging self.transfers to be in the chosen sequence.
@@ -739,8 +1076,32 @@ def FindVertexSequence(self):
 
   def GenerateDigraph(self):
     print("Generating digraph...")
+
+    # Each item of source_ranges will be:
+    #   - None, if that block is not used as a source,
+    #   - an ordered set of transfers.
+    source_ranges = []
+    for b in self.transfers:
+      for s, e in b.src_ranges:
+        if e > len(source_ranges):
+          source_ranges.extend([None] * (e-len(source_ranges)))
+        for i in range(s, e):
+          if source_ranges[i] is None:
+            source_ranges[i] = OrderedDict.fromkeys([b])
+          else:
+            source_ranges[i][b] = None
+
     for a in self.transfers:
-      for b in self.transfers:
+      intersections = OrderedDict()
+      for s, e in a.tgt_ranges:
+        for i in range(s, e):
+          if i >= len(source_ranges): break
+          # Add all the Transfers in source_ranges[i] to the (ordered) set.
+          if source_ranges[i] is not None:
+            for j in source_ranges[i]:
+              intersections[j] = None
+
+      for b in intersections:
         if a is b: continue
 
         # If the blocks written by A are read by B, then B needs to go before A.
@@ -756,7 +1117,128 @@ def GenerateDigraph(self):
           a.goes_after[b] = size
 
   def FindTransfers(self):
-    self.transfers = []
+    """Parse the file_map to generate all the transfers."""
+
+    def AddSplitTransfers(tgt_name, src_name, tgt_ranges, src_ranges,
+                          style, by_id):
+      """Add one or multiple Transfer()s by splitting large files.
+
+      For BBOTA v3, we need to stash source blocks for resumable feature.
+      However, with the growth of file size and the shrink of the cache
+      partition source blocks are too large to be stashed. If a file occupies
+      too many blocks, we split it into smaller pieces by getting multiple
+      Transfer()s.
+
+      The downside is that after splitting, we may increase the package size
+      since the split pieces don't align well. According to our experiments,
+      1/8 of the cache size as the per-piece limit appears to be optimal.
+      Compared to the fixed 1024-block limit, it reduces the overall package
+      size by 30% for volantis, and 20% for angler and bullhead."""
+
+      # Possibly split large files into smaller chunks.
+      pieces = 0
+      cache_size = common.OPTIONS.cache_size
+      split_threshold = 0.125
+      max_blocks_per_transfer = int(cache_size * split_threshold /
+                                    self.tgt.blocksize)
+
+      # Change nothing for small files.
+      if (tgt_ranges.size() <= max_blocks_per_transfer and
+          src_ranges.size() <= max_blocks_per_transfer):
+        Transfer(tgt_name, src_name, tgt_ranges, src_ranges, style, by_id)
+        return
+
+      while (tgt_ranges.size() > max_blocks_per_transfer and
+             src_ranges.size() > max_blocks_per_transfer):
+        tgt_split_name = "%s-%d" % (tgt_name, pieces)
+        src_split_name = "%s-%d" % (src_name, pieces)
+        tgt_first = tgt_ranges.first(max_blocks_per_transfer)
+        src_first = src_ranges.first(max_blocks_per_transfer)
+
+        Transfer(tgt_split_name, src_split_name, tgt_first, src_first, style,
+                 by_id)
+
+        tgt_ranges = tgt_ranges.subtract(tgt_first)
+        src_ranges = src_ranges.subtract(src_first)
+        pieces += 1
+
+      # Handle remaining blocks.
+      if tgt_ranges.size() or src_ranges.size():
+        # Must be both non-empty.
+        assert tgt_ranges.size() and src_ranges.size()
+        tgt_split_name = "%s-%d" % (tgt_name, pieces)
+        src_split_name = "%s-%d" % (src_name, pieces)
+        Transfer(tgt_split_name, src_split_name, tgt_ranges, src_ranges, style,
+                 by_id)
+
+    def AddTransfer(tgt_name, src_name, tgt_ranges, src_ranges, style, by_id,
+                    split=False):
+      """Wrapper function for adding a Transfer()."""
+
+      # We specialize diff transfers only (which covers bsdiff/imgdiff/move);
+      # otherwise add the Transfer() as is.
+      if style != "diff" or not split:
+        Transfer(tgt_name, src_name, tgt_ranges, src_ranges, style, by_id)
+        return
+
+      # Handle .odex files specially to analyze the block-wise difference. If
+      # most of the blocks are identical with only few changes (e.g. header),
+      # we will patch the changed blocks only. This avoids stashing unchanged
+      # blocks while patching. We limit the analysis to files without size
+      # changes only. This is to avoid sacrificing the OTA generation cost too
+      # much.
+      if (tgt_name.split(".")[-1].lower() == 'odex' and
+          tgt_ranges.size() == src_ranges.size()):
+
+        # 0.5 threshold can be further tuned. The tradeoff is: if only very
+        # few blocks remain identical, we lose the opportunity to use imgdiff
+        # that may have better compression ratio than bsdiff.
+        crop_threshold = 0.5
+
+        tgt_skipped = RangeSet()
+        src_skipped = RangeSet()
+        tgt_size = tgt_ranges.size()
+        tgt_changed = 0
+        for src_block, tgt_block in zip(src_ranges.next_item(),
+                                        tgt_ranges.next_item()):
+          src_rs = RangeSet(str(src_block))
+          tgt_rs = RangeSet(str(tgt_block))
+          if self.src.ReadRangeSet(src_rs) == self.tgt.ReadRangeSet(tgt_rs):
+            tgt_skipped = tgt_skipped.union(tgt_rs)
+            src_skipped = src_skipped.union(src_rs)
+          else:
+            tgt_changed += tgt_rs.size()
+
+          # Terminate early if no clear sign of benefits.
+          if tgt_changed > tgt_size * crop_threshold:
+            break
+
+        if tgt_changed < tgt_size * crop_threshold:
+          assert tgt_changed + tgt_skipped.size() == tgt_size
+          print('%10d %10d (%6.2f%%) %s' % (tgt_skipped.size(), tgt_size,
+                tgt_skipped.size() * 100.0 / tgt_size, tgt_name))
+          AddSplitTransfers(
+              "%s-skipped" % (tgt_name,),
+              "%s-skipped" % (src_name,),
+              tgt_skipped, src_skipped, style, by_id)
+
+          # Intentionally change the file extension to avoid being imgdiff'd as
+          # the files are no longer in their original format.
+          tgt_name = "%s-cropped" % (tgt_name,)
+          src_name = "%s-cropped" % (src_name,)
+          tgt_ranges = tgt_ranges.subtract(tgt_skipped)
+          src_ranges = src_ranges.subtract(src_skipped)
+
+          # Possibly having no changed blocks.
+          if not tgt_ranges:
+            return
+
+      # Add the transfer(s).
+      AddSplitTransfers(
+          tgt_name, src_name, tgt_ranges, src_ranges, style, by_id)
+
+    print("Finding transfers...")
+
     empty = RangeSet()
     for tgt_fn, tgt_ranges in self.tgt.file_map.items():
       if tgt_fn == "__ZERO":
@@ -764,22 +1246,28 @@ def FindTransfers(self):
         # in any file and that are filled with zeros.  We have a
         # special transfer style for zero blocks.
         src_ranges = self.src.file_map.get("__ZERO", empty)
-        Transfer(tgt_fn, "__ZERO", tgt_ranges, src_ranges,
-                 "zero", self.transfers)
+        AddTransfer(tgt_fn, "__ZERO", tgt_ranges, src_ranges,
+                    "zero", self.transfers)
+        continue
+
+      elif tgt_fn == "__COPY":
+        # "__COPY" domain includes all the blocks not contained in any
+        # file and that need to be copied unconditionally to the target.
+        AddTransfer(tgt_fn, None, tgt_ranges, empty, "new", self.transfers)
         continue
 
       elif tgt_fn in self.src.file_map:
         # Look for an exact pathname match in the source.
-        Transfer(tgt_fn, tgt_fn, tgt_ranges, self.src.file_map[tgt_fn],
-                 "diff", self.transfers)
+        AddTransfer(tgt_fn, tgt_fn, tgt_ranges, self.src.file_map[tgt_fn],
+                    "diff", self.transfers, self.version >= 3)
         continue
 
       b = os.path.basename(tgt_fn)
       if b in self.src_basenames:
         # Look for an exact basename match in the source.
         src_fn = self.src_basenames[b]
-        Transfer(tgt_fn, src_fn, tgt_ranges, self.src.file_map[src_fn],
-                 "diff", self.transfers)
+        AddTransfer(tgt_fn, src_fn, tgt_ranges, self.src.file_map[src_fn],
+                    "diff", self.transfers, self.version >= 3)
         continue
 
       b = re.sub("[0-9]+", "#", b)
@@ -789,16 +1277,13 @@ def FindTransfers(self):
         # for .so files that contain version numbers in the filename
         # that get bumped.)
         src_fn = self.src_numpatterns[b]
-        Transfer(tgt_fn, src_fn, tgt_ranges, self.src.file_map[src_fn],
-                 "diff", self.transfers)
+        AddTransfer(tgt_fn, src_fn, tgt_ranges, self.src.file_map[src_fn],
+                    "diff", self.transfers, self.version >= 3)
         continue
 
-      Transfer(tgt_fn, None, tgt_ranges, empty, "new", self.transfers)
+      AddTransfer(tgt_fn, None, tgt_ranges, empty, "new", self.transfers)
 
   def AbbreviateSourceNames(self):
-    self.src_basenames = {}
-    self.src_numpatterns = {}
-
     for k in self.src.file_map.keys():
       b = os.path.basename(k)
       self.src_basenames[b] = k
@@ -810,6 +1295,7 @@ def AssertPartition(total, seq):
     """Assert that all the RangeSets in 'seq' form a partition of the
     'total' RangeSet (ie, they are nonintersecting and their union
     equals 'total')."""
+
     so_far = RangeSet()
     for i in seq:
       assert not so_far.overlaps(i)
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 302aa0c7f..6c1fab89a 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -22,26 +22,41 @@
 """
 import os
 import os.path
+import re
 import subprocess
 import sys
 import commands
+import common
 import shutil
+import sparse_img
 import tempfile
 
+OPTIONS = common.OPTIONS
+
 FIXED_SALT = "aee087a5be3b982978c923f566a94613496b417f2af592639bc80d141e34dfe7"
+BLOCK_SIZE = 4096
 
 def RunCommand(cmd):
-  """ Echo and run the given command
+  """Echo and run the given command.
 
   Args:
     cmd: the command represented as a list of strings.
   Returns:
-    The exit code.
+    A tuple of the output and the exit code.
   """
   print "Running: ", " ".join(cmd)
-  p = subprocess.Popen(cmd)
-  p.communicate()
-  return p.returncode
+  p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+  output, _ = p.communicate()
+  print "%s" % (output.rstrip(),)
+  return (output, p.returncode)
+
+def GetVerityFECSize(partition_size):
+  cmd = "fec -s %d" % partition_size
+  status, output = commands.getstatusoutput(cmd)
+  if status:
+    print output
+    return False, 0
+  return True, int(output)
 
 def GetVerityTreeSize(partition_size):
   cmd = "build_verity_tree -s %d"
@@ -53,33 +68,95 @@ def GetVerityTreeSize(partition_size):
   return True, int(output)
 
 def GetVerityMetadataSize(partition_size):
-  cmd = "system/extras/verity/build_verity_metadata.py -s %d"
+  cmd = "system/extras/verity/build_verity_metadata.py size %d"
   cmd %= partition_size
+
   status, output = commands.getstatusoutput(cmd)
   if status:
     print output
     return False, 0
   return True, int(output)
 
-def AdjustPartitionSizeForVerity(partition_size):
+def GetVeritySize(partition_size, fec_supported):
+  success, verity_tree_size = GetVerityTreeSize(partition_size)
+  if not success:
+    return 0
+  success, verity_metadata_size = GetVerityMetadataSize(partition_size)
+  if not success:
+    return 0
+  verity_size = verity_tree_size + verity_metadata_size
+  if fec_supported:
+    success, fec_size = GetVerityFECSize(partition_size + verity_size)
+    if not success:
+      return 0
+    return verity_size + fec_size
+  return verity_size
+
+def GetSimgSize(image_file):
+  simg = sparse_img.SparseImage(image_file, build_map=False)
+  return simg.blocksize * simg.total_blocks
+
+def ZeroPadSimg(image_file, pad_size):
+  blocks = pad_size // BLOCK_SIZE
+  print("Padding %d blocks (%d bytes)" % (blocks, pad_size))
+  simg = sparse_img.SparseImage(image_file, mode="r+b", build_map=False)
+  simg.AppendFillChunk(0, blocks)
+
+def AdjustPartitionSizeForVerity(partition_size, fec_supported):
   """Modifies the provided partition size to account for the verity metadata.
 
   This information is used to size the created image appropriately.
   Args:
     partition_size: the size of the partition to be verified.
   Returns:
-    The size of the partition adjusted for verity metadata.
+    A tuple of the size of the partition adjusted for verity metadata, and
+    the size of verity metadata.
   """
-  success, verity_tree_size = GetVerityTreeSize(partition_size)
-  if not success:
-    return 0;
-  success, verity_metadata_size = GetVerityMetadataSize(partition_size)
-  if not success:
-    return 0
-  return partition_size - verity_tree_size - verity_metadata_size
+  key = "%d %d" % (partition_size, fec_supported)
+  if key in AdjustPartitionSizeForVerity.results:
+    return AdjustPartitionSizeForVerity.results[key]
+
+  hi = partition_size
+  if hi % BLOCK_SIZE != 0:
+    hi = (hi // BLOCK_SIZE) * BLOCK_SIZE
+
+  # verity tree and fec sizes depend on the partition size, which
+  # means this estimate is always going to be unnecessarily small
+  verity_size = GetVeritySize(hi, fec_supported)
+  lo = partition_size - verity_size
+  result = lo
+
+  # do a binary search for the optimal size
+  while lo < hi:
+    i = ((lo + hi) // (2 * BLOCK_SIZE)) * BLOCK_SIZE
+    v = GetVeritySize(i, fec_supported)
+    if i + v <= partition_size:
+      if result < i:
+        result = i
+        verity_size = v
+      lo = i + BLOCK_SIZE
+    else:
+      hi = i
+
+  AdjustPartitionSizeForVerity.results[key] = (result, verity_size)
+  return (result, verity_size)
+
+AdjustPartitionSizeForVerity.results = {}
+
+def BuildVerityFEC(sparse_image_path, verity_path, verity_fec_path,
+                   padding_size):
+  cmd = "fec -e -p %d %s %s %s" % (padding_size, sparse_image_path,
+                                   verity_path, verity_fec_path)
+  print cmd
+  status, output = commands.getstatusoutput(cmd)
+  if status:
+    print "Could not build FEC data! Error: %s" % output
+    return False
+  return True
 
 def BuildVerityTree(sparse_image_path, verity_image_path, prop_dict):
-  cmd = ("build_verity_tree -A %s %s %s" % (FIXED_SALT, sparse_image_path, verity_image_path))
+  cmd = "build_verity_tree -A %s %s %s" % (
+      FIXED_SALT, sparse_image_path, verity_image_path)
   print cmd
   status, output = commands.getstatusoutput(cmd)
   if status:
@@ -91,20 +168,36 @@ def BuildVerityTree(sparse_image_path, verity_image_path, prop_dict):
   return True
 
 def BuildVerityMetadata(image_size, verity_metadata_path, root_hash, salt,
-                        block_device, signer_path, key):
-  cmd = ("system/extras/verity/build_verity_metadata.py %s %s %s %s %s %s %s" %
-              (image_size,
-              verity_metadata_path,
-              root_hash,
-              salt,
-              block_device,
-              signer_path,
-              key))
+                        block_device, signer_path, key, signer_args):
+  verity_key = os.getenv("PRODUCT_VERITY_KEY", None)
+  verity_key_password = None
+
+  if verity_key and os.path.exists(verity_key+".pk8"):
+    verity_key_passwords = {}
+    verity_key_passwords.update(common.PasswordManager().GetPasswords(verity_key.split()))
+    verity_key_password = verity_key_passwords[verity_key]
+
+  cmd_template = (
+      "system/extras/verity/build_verity_metadata.py build " +
+      "%s %s %s %s %s %s %s")
+  cmd = cmd_template % (image_size, verity_metadata_path, root_hash, salt,
+                        block_device, signer_path, key)
+  if signer_args:
+    cmd += " --signer_args=\"%s\"" % (' '.join(signer_args),)
   print cmd
-  status, output = commands.getstatusoutput(cmd)
-  if status:
-    print "Could not build verity metadata! Error: %s" % output
+  runcmd = [str(a) for a in ["system/extras/verity/build_verity_metadata.py", "build", image_size, verity_metadata_path, root_hash, salt, block_device, signer_path, key]];
+  if verity_key_password is not None:
+    sp = subprocess.Popen(runcmd, stdin=subprocess.PIPE)
+    sp.communicate(verity_key_password)
+  else:
+    sp = subprocess.Popen(runcmd)
+
+  sp.wait()
+
+  if sp.returncode != 0:
+    print("Could not build verity metadata!")
     return False
+
   return True
 
 def Append2Simg(sparse_image_path, unsparse_image_path, error_message):
@@ -125,10 +218,33 @@ def Append2Simg(sparse_image_path, unsparse_image_path, error_message):
     return False
   return True
 
-def BuildVerifiedImage(data_image_path, verity_image_path, verity_metadata_path):
-  if not Append2Simg(data_image_path, verity_metadata_path, "Could not append verity metadata!"):
+def Append(target, file_to_append, error_message):
+  cmd = 'cat %s >> %s' % (file_to_append, target)
+  print cmd
+  status, output = commands.getstatusoutput(cmd)
+  if status:
+    print "%s: %s" % (error_message, output)
+    return False
+  return True
+
+def BuildVerifiedImage(data_image_path, verity_image_path,
+                       verity_metadata_path, verity_fec_path,
+                       padding_size, fec_supported):
+  if not Append(verity_image_path, verity_metadata_path,
+                "Could not append verity metadata!"):
     return False
-  if not Append2Simg(data_image_path, verity_image_path, "Could not append verity tree!"):
+
+  if fec_supported:
+    # build FEC for the entire partition, including metadata
+    if not BuildVerityFEC(data_image_path, verity_image_path,
+                          verity_fec_path, padding_size):
+      return False
+
+    if not Append(verity_image_path, verity_fec_path, "Could not append FEC!"):
+      return False
+
+  if not Append2Simg(data_image_path, verity_image_path,
+                     "Could not append verity data!"):
     return False
   return True
 
@@ -142,26 +258,31 @@ def UnsparseImage(sparse_image_path, replace=True):
     else:
       return True, unsparse_image_path
   inflate_command = ["simg2img", sparse_image_path, unsparse_image_path]
-  exit_code = RunCommand(inflate_command)
+  (_, exit_code) = RunCommand(inflate_command)
   if exit_code != 0:
     os.remove(unsparse_image_path)
     return False, None
   return True, unsparse_image_path
 
-def MakeVerityEnabledImage(out_file, prop_dict):
+def MakeVerityEnabledImage(out_file, fec_supported, prop_dict):
   """Creates an image that is verifiable using dm-verity.
 
   Args:
     out_file: the location to write the verifiable image at
-    prop_dict: a dictionary of properties required for image creation and verification
+    prop_dict: a dictionary of properties required for image creation and
+               verification
   Returns:
     True on success, False otherwise.
   """
   # get properties
-  image_size = prop_dict["partition_size"]
+  image_size = int(prop_dict["partition_size"])
   block_dev = prop_dict["verity_block_device"]
   signer_key = prop_dict["verity_key"] + ".pk8"
-  signer_path = prop_dict["verity_signer_cmd"]
+  if OPTIONS.verity_signer_path is not None:
+    signer_path = OPTIONS.verity_signer_path
+  else:
+    signer_path = prop_dict["verity_signer_cmd"]
+  signer_args = OPTIONS.verity_signer_args
 
   # make a tempdir
   tempdir_name = tempfile.mkdtemp(suffix="_verity_images")
@@ -169,6 +290,7 @@ def MakeVerityEnabledImage(out_file, prop_dict):
   # get partial image paths
   verity_image_path = os.path.join(tempdir_name, "verity.img")
   verity_metadata_path = os.path.join(tempdir_name, "verity_metadata.img")
+  verity_fec_path = os.path.join(tempdir_name, "verity_fec.img")
 
   # build the verity tree and get the root hash and salt
   if not BuildVerityTree(out_file, verity_image_path, prop_dict):
@@ -178,80 +300,158 @@ def MakeVerityEnabledImage(out_file, prop_dict):
   # build the metadata blocks
   root_hash = prop_dict["verity_root_hash"]
   salt = prop_dict["verity_salt"]
-  if not BuildVerityMetadata(image_size,
-                              verity_metadata_path,
-                              root_hash,
-                              salt,
-                              block_dev,
-                              signer_path,
-                              signer_key):
+  if not BuildVerityMetadata(image_size, verity_metadata_path, root_hash, salt,
+                             block_dev, signer_path, signer_key, signer_args):
     shutil.rmtree(tempdir_name, ignore_errors=True)
     return False
 
   # build the full verified image
+  target_size = int(prop_dict["original_partition_size"])
+  verity_size = int(prop_dict["verity_size"])
+
+  padding_size = target_size - image_size - verity_size
+  assert padding_size >= 0
+
   if not BuildVerifiedImage(out_file,
                             verity_image_path,
-                            verity_metadata_path):
+                            verity_metadata_path,
+                            verity_fec_path,
+                            padding_size,
+                            fec_supported):
     shutil.rmtree(tempdir_name, ignore_errors=True)
     return False
 
   shutil.rmtree(tempdir_name, ignore_errors=True)
   return True
 
-def BuildImage(in_dir, prop_dict, out_file,
-               fs_config=None,
-               fc_config=None,
-               block_list=None):
+def ConvertBlockMapToBaseFs(block_map_file):
+  fd, base_fs_file = tempfile.mkstemp(prefix="script_gen_",
+                                      suffix=".base_fs")
+  os.close(fd)
+
+  convert_command = ["blk_alloc_to_base_fs", block_map_file, base_fs_file]
+  (_, exit_code) = RunCommand(convert_command)
+  if exit_code != 0:
+    os.remove(base_fs_file)
+    return None
+  return base_fs_file
+
+def BuildImage(in_dir, prop_dict, out_file, target_out=None):
   """Build an image to out_file from in_dir with property prop_dict.
 
   Args:
     in_dir: path of input directory.
     prop_dict: property dictionary.
     out_file: path of the output image file.
-    fs_config: path to the fs_config file (typically
-      META/filesystem_config.txt).  If None then the configuration in
-      the local client will be used.
-    fc_config: path to the SELinux file_contexts file.  If None then
-      the value from prop_dict['selinux_fc'] will be used.
+    target_out: path of the product out directory to read device specific FS config files.
 
   Returns:
     True iff the image is built successfully.
   """
+  print("BuildImage: in_dir = %s, out_file = %s" % (in_dir, out_file))
+  # system_root_image=true: build a system.img that combines the contents of
+  # /system and the ramdisk, and can be mounted at the root of the file system.
+  origin_in = in_dir
+  fs_config = prop_dict.get("fs_config")
+  base_fs_file = None
+  if (prop_dict.get("system_root_image") == "true"
+      and prop_dict["mount_point"] == "system"):
+    in_dir = tempfile.mkdtemp()
+    # Change the mount point to "/"
+    prop_dict["mount_point"] = "/"
+    if fs_config:
+      # We need to merge the fs_config files of system and ramdisk.
+      fd, merged_fs_config = tempfile.mkstemp(prefix="root_fs_config",
+                                              suffix=".txt")
+      os.close(fd)
+      with open(merged_fs_config, "w") as fw:
+        if "ramdisk_fs_config" in prop_dict:
+          with open(prop_dict["ramdisk_fs_config"]) as fr:
+            fw.writelines(fr.readlines())
+        with open(fs_config) as fr:
+          fw.writelines(fr.readlines())
+      fs_config = merged_fs_config
+
   build_command = []
   fs_type = prop_dict.get("fs_type", "")
   run_fsck = False
 
+  fs_spans_partition = True
+  if fs_type.startswith("squash"):
+    fs_spans_partition = False
+
   is_verity_partition = "verity_block_device" in prop_dict
   verity_supported = prop_dict.get("verity") == "true"
-  # adjust the partition size to make room for the hashes if this is to be verified
+  verity_fec_supported = prop_dict.get("verity_fec") == "true"
+
+  # Adjust the partition size to make room for the hashes if this is to be
+  # verified.
   if verity_supported and is_verity_partition:
     partition_size = int(prop_dict.get("partition_size"))
-    adjusted_size = AdjustPartitionSizeForVerity(partition_size)
+    (adjusted_size, verity_size) = AdjustPartitionSizeForVerity(partition_size,
+                                                                verity_fec_supported)
     if not adjusted_size:
+      print "Error: adjusting partition size for verity failed, partition_size = %d" % partition_size
       return False
     prop_dict["partition_size"] = str(adjusted_size)
     prop_dict["original_partition_size"] = str(partition_size)
+    prop_dict["verity_size"] = str(verity_size)
 
   if fs_type.startswith("ext"):
     build_command = ["mkuserimg.sh"]
     if "extfs_sparse_flag" in prop_dict:
       build_command.append(prop_dict["extfs_sparse_flag"])
-      run_fsck = True
-    build_command.extend([in_dir, out_file, fs_type,
-                          prop_dict["mount_point"]])
+      #run_fsck = True
+    if "is_userdataextra" in prop_dict:
+      build_command.extend([in_dir, out_file, fs_type,
+                           "data"])
+    else:
+      build_command.extend([in_dir, out_file, fs_type,
+                            prop_dict["mount_point"]])
     build_command.append(prop_dict["partition_size"])
     if "journal_size" in prop_dict:
       build_command.extend(["-j", prop_dict["journal_size"]])
     if "timestamp" in prop_dict:
       build_command.extend(["-T", str(prop_dict["timestamp"])])
-    if fs_config is not None:
+    if fs_config:
       build_command.extend(["-C", fs_config])
-    if block_list is not None:
-      build_command.extend(["-B", block_list])
-    if fc_config is not None:
-      build_command.append(fc_config)
-    elif "selinux_fc" in prop_dict:
+    if target_out:
+      build_command.extend(["-D", target_out])
+    if "block_list" in prop_dict:
+      build_command.extend(["-B", prop_dict["block_list"]])
+    if "base_fs_file" in prop_dict:
+      base_fs_file = ConvertBlockMapToBaseFs(prop_dict["base_fs_file"])
+      if base_fs_file is None:
+        print "Error: no base fs file found"
+        return False
+      build_command.extend(["-d", base_fs_file])
+    build_command.extend(["-L", prop_dict["mount_point"]])
+    if "extfs_inode_count" in prop_dict:
+      build_command.extend(["-i", prop_dict["extfs_inode_count"]])
+    if "selinux_fc" in prop_dict:
       build_command.append(prop_dict["selinux_fc"])
+  elif fs_type.startswith("squash"):
+    build_command = ["mksquashfsimage.sh"]
+    build_command.extend([in_dir, out_file])
+    if "squashfs_sparse_flag" in prop_dict:
+      build_command.extend([prop_dict["squashfs_sparse_flag"]])
+    build_command.extend(["-m", prop_dict["mount_point"]])
+    if target_out:
+      build_command.extend(["-d", target_out])
+    if fs_config:
+      build_command.extend(["-C", fs_config])
+    if "selinux_fc" in prop_dict:
+      build_command.extend(["-c", prop_dict["selinux_fc"]])
+    if "block_list" in prop_dict:
+      build_command.extend(["-B", prop_dict["block_list"]])
+    if "squashfs_compressor" in prop_dict:
+      build_command.extend(["-z", prop_dict["squashfs_compressor"]])
+    if "squashfs_compressor_opt" in prop_dict:
+      build_command.extend(["-zo", prop_dict["squashfs_compressor_opt"]])
+    if "squashfs_block_size" in prop_dict:
+      build_command.extend(["-b", prop_dict["squashfs_block_size"]])
+    if "squashfs_disable_4k_align" in prop_dict and prop_dict.get("squashfs_disable_4k_align") == "true":
+      build_command.extend(["-a"])
   elif fs_type.startswith("f2fs"):
     build_command = ["mkf2fsuserimg.sh"]
     build_command.extend([out_file, prop_dict["partition_size"]])
@@ -265,24 +465,90 @@ def BuildImage(in_dir, prop_dict, out_file,
       build_command.append(prop_dict["selinux_fc"])
       build_command.append(prop_dict["mount_point"])
 
-  exit_code = RunCommand(build_command)
+  if in_dir != origin_in:
+    # Construct a staging directory of the root file system.
+    ramdisk_dir = prop_dict.get("ramdisk_dir")
+    if ramdisk_dir:
+      shutil.rmtree(in_dir)
+      shutil.copytree(ramdisk_dir, in_dir, symlinks=True)
+    staging_system = os.path.join(in_dir, "system")
+    shutil.rmtree(staging_system, ignore_errors=True)
+    shutil.copytree(origin_in, staging_system, symlinks=True)
+
+  reserved_blocks = prop_dict.get("has_ext4_reserved_blocks") == "true"
+  ext4fs_output = None
+
+  try:
+    if reserved_blocks and fs_type.startswith("ext4"):
+      print "fs type is ext4"
+      (ext4fs_output, exit_code) = RunCommand(build_command)
+    else:
+      print "fs type is not ext4"
+      (_, exit_code) = RunCommand(build_command)
+    print("Running %s command, exit code = %d" % (build_command, exit_code))
+  finally:
+    if in_dir != origin_in:
+      # Clean up temporary directories and files.
+      shutil.rmtree(in_dir, ignore_errors=True)
+      if fs_config:
+        os.remove(fs_config)
+    if base_fs_file is not None:
+      os.remove(base_fs_file)
   if exit_code != 0:
+    print "Error: %s command unsuccessful" % build_command
     return False
 
+  # Bug: 21522719, 22023465
+  # There are some reserved blocks on ext4 FS (lesser of 4096 blocks and 2%).
+  # We need to deduct those blocks from the available space, since they are
+  # not writable even with root privilege. It only affects devices using
+  # file-based OTA and a kernel version of 3.10 or greater (currently just
+  # sprout).
+  if reserved_blocks and fs_type.startswith("ext4"):
+    assert ext4fs_output is not None
+    ext4fs_stats = re.compile(
+        r'Created filesystem with .* (?P<used_blocks>[0-9]+)/'
+        r'(?P<total_blocks>[0-9]+) blocks')
+    m = ext4fs_stats.match(ext4fs_output.strip().split('\n')[-1])
+    used_blocks = int(m.groupdict().get('used_blocks'))
+    total_blocks = int(m.groupdict().get('total_blocks'))
+    reserved_blocks = min(4096, int(total_blocks * 0.02))
+    adjusted_blocks = total_blocks - reserved_blocks
+    if used_blocks > adjusted_blocks:
+      mount_point = prop_dict.get("mount_point")
+      print("Error: Not enough room on %s (total: %d blocks, used: %d blocks, "
+            "reserved: %d blocks, available: %d blocks)" % (
+                mount_point, total_blocks, used_blocks, reserved_blocks,
+                adjusted_blocks))
+      return False
+
+  if not fs_spans_partition:
+    mount_point = prop_dict.get("mount_point")
+    partition_size = int(prop_dict.get("partition_size"))
+    image_size = GetSimgSize(out_file)
+    if image_size > partition_size:
+      print("Error: %s image size of %d is larger than partition size of "
+            "%d" % (mount_point, image_size, partition_size))
+      return False
+    if verity_supported and is_verity_partition:
+      ZeroPadSimg(out_file, partition_size - image_size)
+
   # create the verified image if this is to be verified
   if verity_supported and is_verity_partition:
-    if not MakeVerityEnabledImage(out_file, prop_dict):
+    if not MakeVerityEnabledImage(out_file, verity_fec_supported, prop_dict):
+      print "Error: making verity enabled image failed"
       return False
 
   if run_fsck and prop_dict.get("skip_fsck") != "true":
     success, unsparse_image = UnsparseImage(out_file, replace=False)
     if not success:
+      print "Error: unparsing of image failed"
       return False
 
     # Run e2fsck on the inflated image file
     e2fsck_command = ["e2fsck", "-f", "-n", unsparse_image]
-    exit_code = RunCommand(e2fsck_command)
-
+    (_, exit_code) = RunCommand(e2fsck_command)
+    print("Running %s command, exit code = %d" % (e2fsck_command, exit_code))
     os.remove(unsparse_image)
 
   return exit_code == 0
@@ -296,6 +562,7 @@ def ImagePropFromGlobalDict(glob_dict, mount_point):
     mount_point: such as "system", "data" etc.
   """
   d = {}
+
   if "build.prop" in glob_dict:
     bp = glob_dict["build.prop"]
     if "ro.build.date.utc" in bp:
@@ -307,12 +574,14 @@ def copy_prop(src_p, dest_p):
 
   common_props = (
       "extfs_sparse_flag",
+      "squashfs_sparse_flag",
       "mkyaffs2_extra_flags",
       "selinux_fc",
       "skip_fsck",
       "verity",
       "verity_key",
-      "verity_signer_cmd"
+      "verity_signer_cmd",
+      "verity_fec"
       )
   for p in common_props:
     copy_prop(p, p)
@@ -320,14 +589,46 @@ def copy_prop(src_p, dest_p):
   d["mount_point"] = mount_point
   if mount_point == "system":
     copy_prop("fs_type", "fs_type")
+    # Copy the generic sysetem fs type first, override with specific one if
+    # available.
+    copy_prop("system_fs_type", "fs_type")
+    copy_prop("system_size", "partition_size")
+    copy_prop("system_journal_size", "journal_size")
+    copy_prop("system_verity_block_device", "verity_block_device")
+    copy_prop("system_root_image", "system_root_image")
+    copy_prop("ramdisk_dir", "ramdisk_dir")
+    copy_prop("ramdisk_fs_config", "ramdisk_fs_config")
+    copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
+    copy_prop("system_squashfs_compressor", "squashfs_compressor")
+    copy_prop("system_squashfs_compressor_opt", "squashfs_compressor_opt")
+    copy_prop("system_squashfs_block_size", "squashfs_block_size")
+    copy_prop("system_squashfs_disable_4k_align", "squashfs_disable_4k_align")
+    copy_prop("system_base_fs_file", "base_fs_file")
+    copy_prop("system_extfs_inode_count", "extfs_inode_count")
+  elif mount_point == "system_other":
+    # We inherit the selinux policies of /system since we contain some of its files.
+    d["mount_point"] = "system"
+    copy_prop("fs_type", "fs_type")
+    copy_prop("system_fs_type", "fs_type")
     copy_prop("system_size", "partition_size")
     copy_prop("system_journal_size", "journal_size")
     copy_prop("system_verity_block_device", "verity_block_device")
+    copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
+    copy_prop("system_squashfs_compressor", "squashfs_compressor")
+    copy_prop("system_squashfs_compressor_opt", "squashfs_compressor_opt")
+    copy_prop("system_squashfs_block_size", "squashfs_block_size")
+    copy_prop("system_base_fs_file", "base_fs_file")
+    copy_prop("system_extfs_inode_count", "extfs_inode_count")
   elif mount_point == "data":
     # Copy the generic fs type first, override with specific one if available.
     copy_prop("fs_type", "fs_type")
     copy_prop("userdata_fs_type", "fs_type")
     copy_prop("userdata_size", "partition_size")
+  elif mount_point == "data_extra":
+    copy_prop("fs_type", "fs_type")
+    copy_prop("userdataextra_size", "partition_size")
+    copy_prop("userdataextra_name", "partition_name")
+    d["is_userdataextra"] = True
   elif mount_point == "cache":
     copy_prop("cache_fs_type", "fs_type")
     copy_prop("cache_size", "partition_size")
@@ -336,10 +637,19 @@ def copy_prop(src_p, dest_p):
     copy_prop("vendor_size", "partition_size")
     copy_prop("vendor_journal_size", "journal_size")
     copy_prop("vendor_verity_block_device", "verity_block_device")
+    copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
+    copy_prop("vendor_squashfs_compressor", "squashfs_compressor")
+    copy_prop("vendor_squashfs_compressor_opt", "squashfs_compressor_opt")
+    copy_prop("vendor_squashfs_block_size", "squashfs_block_size")
+    copy_prop("vendor_squashfs_disable_4k_align", "squashfs_disable_4k_align")
+    copy_prop("vendor_base_fs_file", "base_fs_file")
+    copy_prop("vendor_extfs_inode_count", "extfs_inode_count")
   elif mount_point == "oem":
     copy_prop("fs_type", "fs_type")
     copy_prop("oem_size", "partition_size")
     copy_prop("oem_journal_size", "journal_size")
+    copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
+    copy_prop("oem_extfs_inode_count", "extfs_inode_count")
 
   return d
 
@@ -359,34 +669,44 @@ def LoadGlobalDict(filename):
 
 
 def main(argv):
-  if len(argv) != 3:
+  if len(argv) != 4:
     print __doc__
     sys.exit(1)
 
   in_dir = argv[0]
   glob_dict_file = argv[1]
   out_file = argv[2]
+  target_out = argv[3]
 
   glob_dict = LoadGlobalDict(glob_dict_file)
-  image_filename = os.path.basename(out_file)
-  mount_point = ""
-  if image_filename == "system.img":
-    mount_point = "system"
-  elif image_filename == "userdata.img":
-    mount_point = "data"
-  elif image_filename == "cache.img":
-    mount_point = "cache"
-  elif image_filename == "vendor.img":
-    mount_point = "vendor"
-  elif image_filename == "oem.img":
-    mount_point = "oem"
+  if "mount_point" in glob_dict:
+    # The caller knows the mount point and provides a dictionay needed by
+    # BuildImage().
+    image_properties = glob_dict
   else:
-    print >> sys.stderr, "error: unknown image file name ", image_filename
-    exit(1)
+    image_filename = os.path.basename(out_file)
+    mount_point = ""
+    if image_filename == "system.img":
+      mount_point = "system"
+    elif image_filename == "system_other.img":
+      mount_point = "system_other"
+    elif image_filename == "userdata.img":
+      mount_point = "data"
+    elif image_filename == "cache.img":
+      mount_point = "cache"
+    elif image_filename == "vendor.img":
+      mount_point = "vendor"
+    elif image_filename == "oem.img":
+      mount_point = "oem"
+    else:
+      print >> sys.stderr, "error: unknown image file name ", image_filename
+      exit(1)
+
+    image_properties = ImagePropFromGlobalDict(glob_dict, mount_point)
 
-  image_properties = ImagePropFromGlobalDict(glob_dict, mount_point)
-  if not BuildImage(in_dir, image_properties, out_file):
-    print >> sys.stderr, "error: failed to build %s from %s" % (out_file, in_dir)
+  if not BuildImage(in_dir, image_properties, out_file, target_out):
+    print >> sys.stderr, "error: failed to build %s from %s" % (out_file,
+                                                                in_dir)
     exit(1)
 
 
diff --git a/tools/releasetools/check_target_files_signatures b/tools/releasetools/check_target_files_signatures
deleted file mode 100755
index b2f46c1cb..000000000
--- a/tools/releasetools/check_target_files_signatures
+++ /dev/null
@@ -1,441 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (C) 2009 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""
-Check the signatures of all APKs in a target_files .zip file.  With
--c, compare the signatures of each package to the ones in a separate
-target_files (usually a previously distributed build for the same
-device) and flag any changes.
-
-Usage:  check_target_file_signatures [flags] target_files
-
-  -c  (--compare_with)  <other_target_files>
-      Look for compatibility problems between the two sets of target
-      files (eg., packages whose keys have changed).
-
-  -l  (--local_cert_dirs)  <dir,dir,...>
-      Comma-separated list of top-level directories to scan for
-      .x509.pem files.  Defaults to "vendor,build".  Where cert files
-      can be found that match APK signatures, the filename will be
-      printed as the cert name, otherwise a hash of the cert plus its
-      subject string will be printed instead.
-
-  -t  (--text)
-      Dump the certificate information for both packages in comparison
-      mode (this output is normally suppressed).
-
-"""
-
-import sys
-
-if sys.hexversion < 0x02070000:
-  print >> sys.stderr, "Python 2.7 or newer is required."
-  sys.exit(1)
-
-import os
-import re
-import shutil
-import subprocess
-import tempfile
-import zipfile
-
-try:
-  from hashlib import sha1 as sha1
-except ImportError:
-  from sha import sha as sha1
-
-import common
-
-# Work around a bug in python's zipfile module that prevents opening
-# of zipfiles if any entry has an extra field of between 1 and 3 bytes
-# (which is common with zipaligned APKs).  This overrides the
-# ZipInfo._decodeExtra() method (which contains the bug) with an empty
-# version (since we don't need to decode the extra field anyway).
-class MyZipInfo(zipfile.ZipInfo):
-  def _decodeExtra(self):
-    pass
-zipfile.ZipInfo = MyZipInfo
-
-OPTIONS = common.OPTIONS
-
-OPTIONS.text = False
-OPTIONS.compare_with = None
-OPTIONS.local_cert_dirs = ("vendor", "build")
-
-PROBLEMS = []
-PROBLEM_PREFIX = []
-
-def AddProblem(msg):
-  PROBLEMS.append(" ".join(PROBLEM_PREFIX) + " " + msg)
-def Push(msg):
-  PROBLEM_PREFIX.append(msg)
-def Pop():
-  PROBLEM_PREFIX.pop()
-
-
-def Banner(msg):
-  print "-" * 70
-  print "  ", msg
-  print "-" * 70
-
-
-def GetCertSubject(cert):
-  p = common.Run(["openssl", "x509", "-inform", "DER", "-text"],
-                 stdin=subprocess.PIPE,
-                 stdout=subprocess.PIPE)
-  out, err = p.communicate(cert)
-  if err and not err.strip():
-    return "(error reading cert subject)"
-  for line in out.split("\n"):
-    line = line.strip()
-    if line.startswith("Subject:"):
-      return line[8:].strip()
-  return "(unknown cert subject)"
-
-
-class CertDB(object):
-  def __init__(self):
-    self.certs = {}
-
-  def Add(self, cert, name=None):
-    if cert in self.certs:
-      if name:
-        self.certs[cert] = self.certs[cert] + "," + name
-    else:
-      if name is None:
-        name = "unknown cert %s (%s)" % (common.sha1(cert).hexdigest()[:12],
-                                         GetCertSubject(cert))
-      self.certs[cert] = name
-
-  def Get(self, cert):
-    """Return the name for a given cert."""
-    return self.certs.get(cert, None)
-
-  def FindLocalCerts(self):
-    to_load = []
-    for top in OPTIONS.local_cert_dirs:
-      for dirpath, dirnames, filenames in os.walk(top):
-        certs = [os.path.join(dirpath, i)
-                 for i in filenames if i.endswith(".x509.pem")]
-        if certs:
-          to_load.extend(certs)
-
-    for i in to_load:
-      f = open(i)
-      cert = common.ParseCertificate(f.read())
-      f.close()
-      name, _ = os.path.splitext(i)
-      name, _ = os.path.splitext(name)
-      self.Add(cert, name)
-
-ALL_CERTS = CertDB()
-
-
-def CertFromPKCS7(data, filename):
-  """Read the cert out of a PKCS#7-format file (which is what is
-  stored in a signed .apk)."""
-  Push(filename + ":")
-  try:
-    p = common.Run(["openssl", "pkcs7",
-                    "-inform", "DER",
-                    "-outform", "PEM",
-                    "-print_certs"],
-                   stdin=subprocess.PIPE,
-                   stdout=subprocess.PIPE)
-    out, err = p.communicate(data)
-    if err and not err.strip():
-      AddProblem("error reading cert:\n" + err)
-      return None
-
-    cert = common.ParseCertificate(out)
-    if not cert:
-      AddProblem("error parsing cert output")
-      return None
-    return cert
-  finally:
-    Pop()
-
-
-class APK(object):
-  def __init__(self, full_filename, filename):
-    self.filename = filename
-    Push(filename+":")
-    try:
-      self.RecordCerts(full_filename)
-      self.ReadManifest(full_filename)
-    finally:
-      Pop()
-
-  def RecordCerts(self, full_filename):
-    out = set()
-    try:
-      f = open(full_filename)
-      apk = zipfile.ZipFile(f, "r")
-      pkcs7 = None
-      for info in apk.infolist():
-        if info.filename.startswith("META-INF/") and \
-           (info.filename.endswith(".DSA") or info.filename.endswith(".RSA")):
-          pkcs7 = apk.read(info.filename)
-          cert = CertFromPKCS7(pkcs7, info.filename)
-          out.add(cert)
-          ALL_CERTS.Add(cert)
-      if not pkcs7:
-        AddProblem("no signature")
-    finally:
-      f.close()
-      self.certs = frozenset(out)
-
-  def ReadManifest(self, full_filename):
-    p = common.Run(["aapt", "dump", "xmltree", full_filename,
-                    "AndroidManifest.xml"],
-                   stdout=subprocess.PIPE)
-    manifest, err = p.communicate()
-    if err:
-      AddProblem("failed to read manifest")
-      return
-
-    self.shared_uid = None
-    self.package = None
-
-    for line in manifest.split("\n"):
-      line = line.strip()
-      m = re.search('A: (\S*?)(?:\(0x[0-9a-f]+\))?="(.*?)" \(Raw', line)
-      if m:
-        name = m.group(1)
-        if name == "android:sharedUserId":
-          if self.shared_uid is not None:
-            AddProblem("multiple sharedUserId declarations")
-          self.shared_uid = m.group(2)
-        elif name == "package":
-          if self.package is not None:
-            AddProblem("multiple package declarations")
-          self.package = m.group(2)
-
-    if self.package is None:
-      AddProblem("no package declaration")
-
-
-class TargetFiles(object):
-  def __init__(self):
-    self.max_pkg_len = 30
-    self.max_fn_len = 20
-
-  def LoadZipFile(self, filename):
-    d, z = common.UnzipTemp(filename, '*.apk')
-    try:
-      self.apks = {}
-      self.apks_by_basename = {}
-      for dirpath, dirnames, filenames in os.walk(d):
-        for fn in filenames:
-          if fn.endswith(".apk"):
-            fullname = os.path.join(dirpath, fn)
-            displayname = fullname[len(d)+1:]
-            apk = APK(fullname, displayname)
-            self.apks[apk.package] = apk
-            self.apks_by_basename[os.path.basename(apk.filename)] = apk
-
-            self.max_pkg_len = max(self.max_pkg_len, len(apk.package))
-            self.max_fn_len = max(self.max_fn_len, len(apk.filename))
-    finally:
-      shutil.rmtree(d)
-
-    self.certmap = common.ReadApkCerts(z)
-    z.close()
-
-  def CheckSharedUids(self):
-    """Look for any instances where packages signed with different
-    certs request the same sharedUserId."""
-    apks_by_uid = {}
-    for apk in self.apks.itervalues():
-      if apk.shared_uid:
-        apks_by_uid.setdefault(apk.shared_uid, []).append(apk)
-
-    for uid in sorted(apks_by_uid.keys()):
-      apks = apks_by_uid[uid]
-      for apk in apks[1:]:
-        if apk.certs != apks[0].certs:
-          break
-      else:
-        # all packages have the same set of certs; this uid is fine.
-        continue
-
-      AddProblem("different cert sets for packages with uid %s" % (uid,))
-
-      print "uid %s is shared by packages with different cert sets:" % (uid,)
-      for apk in apks:
-        print "%-*s  [%s]" % (self.max_pkg_len, apk.package, apk.filename)
-        for cert in apk.certs:
-          print "   ", ALL_CERTS.Get(cert)
-      print
-
-  def CheckExternalSignatures(self):
-    for apk_filename, certname in self.certmap.iteritems():
-      if certname == "EXTERNAL":
-        # Apps marked EXTERNAL should be signed with the test key
-        # during development, then manually re-signed after
-        # predexopting.  Consider it an error if this app is now
-        # signed with any key that is present in our tree.
-        apk = self.apks_by_basename[apk_filename]
-        name = ALL_CERTS.Get(apk.cert)
-        if not name.startswith("unknown "):
-          Push(apk.filename)
-          AddProblem("hasn't been signed with EXTERNAL cert")
-          Pop()
-
-  def PrintCerts(self):
-    """Display a table of packages grouped by cert."""
-    by_cert = {}
-    for apk in self.apks.itervalues():
-      for cert in apk.certs:
-        by_cert.setdefault(cert, []).append((apk.package, apk))
-
-    order = [(-len(v), k) for (k, v) in by_cert.iteritems()]
-    order.sort()
-
-    for _, cert in order:
-      print "%s:" % (ALL_CERTS.Get(cert),)
-      apks = by_cert[cert]
-      apks.sort()
-      for _, apk in apks:
-        if apk.shared_uid:
-          print "  %-*s  %-*s  [%s]" % (self.max_fn_len, apk.filename,
-                                        self.max_pkg_len, apk.package,
-                                        apk.shared_uid)
-        else:
-          print "  %-*s  %-*s" % (self.max_fn_len, apk.filename,
-                                  self.max_pkg_len, apk.package)
-      print
-
-  def CompareWith(self, other):
-    """Look for instances where a given package that exists in both
-    self and other have different certs."""
-
-    all = set(self.apks.keys())
-    all.update(other.apks.keys())
-
-    max_pkg_len = max(self.max_pkg_len, other.max_pkg_len)
-
-    by_certpair = {}
-
-    for i in all:
-      if i in self.apks:
-        if i in other.apks:
-          # in both; should have same set of certs
-          if self.apks[i].certs != other.apks[i].certs:
-            by_certpair.setdefault((other.apks[i].certs,
-                                    self.apks[i].certs), []).append(i)
-        else:
-          print "%s [%s]: new APK (not in comparison target_files)" % (
-              i, self.apks[i].filename)
-      else:
-        if i in other.apks:
-          print "%s [%s]: removed APK (only in comparison target_files)" % (
-              i, other.apks[i].filename)
-
-    if by_certpair:
-      AddProblem("some APKs changed certs")
-      Banner("APK signing differences")
-      for (old, new), packages in sorted(by_certpair.items()):
-        for i, o in enumerate(old):
-          if i == 0:
-            print "was", ALL_CERTS.Get(o)
-          else:
-            print "   ", ALL_CERTS.Get(o)
-        for i, n in enumerate(new):
-          if i == 0:
-            print "now", ALL_CERTS.Get(n)
-          else:
-            print "   ", ALL_CERTS.Get(n)
-        for i in sorted(packages):
-          old_fn = other.apks[i].filename
-          new_fn = self.apks[i].filename
-          if old_fn == new_fn:
-            print "  %-*s  [%s]" % (max_pkg_len, i, old_fn)
-          else:
-            print "  %-*s  [was: %s; now: %s]" % (max_pkg_len, i,
-                                                  old_fn, new_fn)
-        print
-
-
-def main(argv):
-  def option_handler(o, a):
-    if o in ("-c", "--compare_with"):
-      OPTIONS.compare_with = a
-    elif o in ("-l", "--local_cert_dirs"):
-      OPTIONS.local_cert_dirs = [i.strip() for i in a.split(",")]
-    elif o in ("-t", "--text"):
-      OPTIONS.text = True
-    else:
-      return False
-    return True
-
-  args = common.ParseOptions(argv, __doc__,
-                             extra_opts="c:l:t",
-                             extra_long_opts=["compare_with=",
-                                              "local_cert_dirs="],
-                             extra_option_handler=option_handler)
-
-  if len(args) != 1:
-    common.Usage(__doc__)
-    sys.exit(1)
-
-  ALL_CERTS.FindLocalCerts()
-
-  Push("input target_files:")
-  try:
-    target_files = TargetFiles()
-    target_files.LoadZipFile(args[0])
-  finally:
-    Pop()
-
-  compare_files = None
-  if OPTIONS.compare_with:
-    Push("comparison target_files:")
-    try:
-      compare_files = TargetFiles()
-      compare_files.LoadZipFile(OPTIONS.compare_with)
-    finally:
-      Pop()
-
-  if OPTIONS.text or not compare_files:
-    Banner("target files")
-    target_files.PrintCerts()
-  target_files.CheckSharedUids()
-  target_files.CheckExternalSignatures()
-  if compare_files:
-    if OPTIONS.text:
-      Banner("comparison files")
-      compare_files.PrintCerts()
-    target_files.CompareWith(compare_files)
-
-  if PROBLEMS:
-    print "%d problem(s) found:\n" % (len(PROBLEMS),)
-    for p in PROBLEMS:
-      print p
-    return 1
-
-  return 0
-
-
-if __name__ == '__main__':
-  try:
-    r = main(sys.argv[1:])
-    sys.exit(r)
-  except common.ExternalError, e:
-    print
-    print "   ERROR: %s" % (e,)
-    print
-    sys.exit(1)
diff --git a/tools/releasetools/check_target_files_signatures b/tools/releasetools/check_target_files_signatures
new file mode 120000
index 000000000..9f62aa323
--- /dev/null
+++ b/tools/releasetools/check_target_files_signatures
@@ -0,0 +1 @@
+check_target_files_signatures.py
\ No newline at end of file
diff --git a/tools/releasetools/check_target_files_signatures.py b/tools/releasetools/check_target_files_signatures.py
new file mode 100755
index 000000000..3048488d3
--- /dev/null
+++ b/tools/releasetools/check_target_files_signatures.py
@@ -0,0 +1,441 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Check the signatures of all APKs in a target_files .zip file.  With
+-c, compare the signatures of each package to the ones in a separate
+target_files (usually a previously distributed build for the same
+device) and flag any changes.
+
+Usage:  check_target_file_signatures [flags] target_files
+
+  -c  (--compare_with)  <other_target_files>
+      Look for compatibility problems between the two sets of target
+      files (eg., packages whose keys have changed).
+
+  -l  (--local_cert_dirs)  <dir,dir,...>
+      Comma-separated list of top-level directories to scan for
+      .x509.pem files.  Defaults to "vendor,build".  Where cert files
+      can be found that match APK signatures, the filename will be
+      printed as the cert name, otherwise a hash of the cert plus its
+      subject string will be printed instead.
+
+  -t  (--text)
+      Dump the certificate information for both packages in comparison
+      mode (this output is normally suppressed).
+
+"""
+
+import sys
+
+if sys.hexversion < 0x02070000:
+  print >> sys.stderr, "Python 2.7 or newer is required."
+  sys.exit(1)
+
+import os
+import re
+import shutil
+import subprocess
+import zipfile
+
+import common
+
+# Work around a bug in python's zipfile module that prevents opening
+# of zipfiles if any entry has an extra field of between 1 and 3 bytes
+# (which is common with zipaligned APKs).  This overrides the
+# ZipInfo._decodeExtra() method (which contains the bug) with an empty
+# version (since we don't need to decode the extra field anyway).
+class MyZipInfo(zipfile.ZipInfo):
+  def _decodeExtra(self):
+    pass
+zipfile.ZipInfo = MyZipInfo
+
+OPTIONS = common.OPTIONS
+
+OPTIONS.text = False
+OPTIONS.compare_with = None
+OPTIONS.local_cert_dirs = ("vendor", "build")
+
+PROBLEMS = []
+PROBLEM_PREFIX = []
+
+def AddProblem(msg):
+  PROBLEMS.append(" ".join(PROBLEM_PREFIX) + " " + msg)
+def Push(msg):
+  PROBLEM_PREFIX.append(msg)
+def Pop():
+  PROBLEM_PREFIX.pop()
+
+
+def Banner(msg):
+  print "-" * 70
+  print "  ", msg
+  print "-" * 70
+
+
+def GetCertSubject(cert):
+  p = common.Run(["openssl", "x509", "-inform", "DER", "-text"],
+                 stdin=subprocess.PIPE,
+                 stdout=subprocess.PIPE)
+  out, err = p.communicate(cert)
+  if err and not err.strip():
+    return "(error reading cert subject)"
+  for line in out.split("\n"):
+    line = line.strip()
+    if line.startswith("Subject:"):
+      return line[8:].strip()
+  return "(unknown cert subject)"
+
+
+class CertDB(object):
+  def __init__(self):
+    self.certs = {}
+
+  def Add(self, cert, name=None):
+    if cert in self.certs:
+      if name:
+        self.certs[cert] = self.certs[cert] + "," + name
+    else:
+      if name is None:
+        name = "unknown cert %s (%s)" % (common.sha1(cert).hexdigest()[:12],
+                                         GetCertSubject(cert))
+      self.certs[cert] = name
+
+  def Get(self, cert):
+    """Return the name for a given cert."""
+    return self.certs.get(cert, None)
+
+  def FindLocalCerts(self):
+    to_load = []
+    for top in OPTIONS.local_cert_dirs:
+      for dirpath, _, filenames in os.walk(top):
+        certs = [os.path.join(dirpath, i)
+                 for i in filenames if i.endswith(".x509.pem")]
+        if certs:
+          to_load.extend(certs)
+
+    for i in to_load:
+      f = open(i)
+      cert = common.ParseCertificate(f.read())
+      f.close()
+      name, _ = os.path.splitext(i)
+      name, _ = os.path.splitext(name)
+      self.Add(cert, name)
+
+ALL_CERTS = CertDB()
+
+
+def CertFromPKCS7(data, filename):
+  """Read the cert out of a PKCS#7-format file (which is what is
+  stored in a signed .apk)."""
+  Push(filename + ":")
+  try:
+    p = common.Run(["openssl", "pkcs7",
+                    "-inform", "DER",
+                    "-outform", "PEM",
+                    "-print_certs"],
+                   stdin=subprocess.PIPE,
+                   stdout=subprocess.PIPE)
+    out, err = p.communicate(data)
+    if err and not err.strip():
+      AddProblem("error reading cert:\n" + err)
+      return None
+
+    cert = common.ParseCertificate(out)
+    if not cert:
+      AddProblem("error parsing cert output")
+      return None
+    return cert
+  finally:
+    Pop()
+
+
+class APK(object):
+  def __init__(self, full_filename, filename):
+    self.filename = filename
+    self.certs = None
+    self.shared_uid = None
+    self.package = None
+
+    Push(filename+":")
+    try:
+      self.RecordCerts(full_filename)
+      self.ReadManifest(full_filename)
+    finally:
+      Pop()
+
+  def RecordCerts(self, full_filename):
+    out = set()
+    try:
+      f = open(full_filename)
+      apk = zipfile.ZipFile(f, "r")
+      pkcs7 = None
+      for info in apk.infolist():
+        if info.filename.startswith("META-INF/") and \
+           (info.filename.endswith(".DSA") or info.filename.endswith(".RSA")):
+          pkcs7 = apk.read(info.filename)
+          cert = CertFromPKCS7(pkcs7, info.filename)
+          out.add(cert)
+          ALL_CERTS.Add(cert)
+      if not pkcs7:
+        AddProblem("no signature")
+    finally:
+      f.close()
+      self.certs = frozenset(out)
+
+  def ReadManifest(self, full_filename):
+    p = common.Run(["aapt", "dump", "xmltree", full_filename,
+                    "AndroidManifest.xml"],
+                   stdout=subprocess.PIPE)
+    manifest, err = p.communicate()
+    if err:
+      AddProblem("failed to read manifest")
+      return
+
+    self.shared_uid = None
+    self.package = None
+
+    for line in manifest.split("\n"):
+      line = line.strip()
+      m = re.search(r'A: (\S*?)(?:\(0x[0-9a-f]+\))?="(.*?)" \(Raw', line)
+      if m:
+        name = m.group(1)
+        if name == "android:sharedUserId":
+          if self.shared_uid is not None:
+            AddProblem("multiple sharedUserId declarations")
+          self.shared_uid = m.group(2)
+        elif name == "package":
+          if self.package is not None:
+            AddProblem("multiple package declarations")
+          self.package = m.group(2)
+
+    if self.package is None:
+      AddProblem("no package declaration")
+
+
+class TargetFiles(object):
+  def __init__(self):
+    self.max_pkg_len = 30
+    self.max_fn_len = 20
+    self.apks = None
+    self.apks_by_basename = None
+    self.certmap = None
+
+  def LoadZipFile(self, filename):
+    d, z = common.UnzipTemp(filename, '*.apk')
+    try:
+      self.apks = {}
+      self.apks_by_basename = {}
+      for dirpath, _, filenames in os.walk(d):
+        for fn in filenames:
+          if fn.endswith(".apk"):
+            fullname = os.path.join(dirpath, fn)
+            displayname = fullname[len(d)+1:]
+            apk = APK(fullname, displayname)
+            self.apks[apk.filename] = apk
+            self.apks_by_basename[os.path.basename(apk.filename)] = apk
+
+            self.max_pkg_len = max(self.max_pkg_len, len(apk.package))
+            self.max_fn_len = max(self.max_fn_len, len(apk.filename))
+    finally:
+      shutil.rmtree(d)
+
+    self.certmap = common.ReadApkCerts(z)
+    z.close()
+
+  def CheckSharedUids(self):
+    """Look for any instances where packages signed with different
+    certs request the same sharedUserId."""
+    apks_by_uid = {}
+    for apk in self.apks.itervalues():
+      if apk.shared_uid:
+        apks_by_uid.setdefault(apk.shared_uid, []).append(apk)
+
+    for uid in sorted(apks_by_uid.keys()):
+      apks = apks_by_uid[uid]
+      for apk in apks[1:]:
+        if apk.certs != apks[0].certs:
+          break
+      else:
+        # all packages have the same set of certs; this uid is fine.
+        continue
+
+      AddProblem("different cert sets for packages with uid %s" % (uid,))
+
+      print "uid %s is shared by packages with different cert sets:" % (uid,)
+      for apk in apks:
+        print "%-*s  [%s]" % (self.max_pkg_len, apk.package, apk.filename)
+        for cert in apk.certs:
+          print "   ", ALL_CERTS.Get(cert)
+      print
+
+  def CheckExternalSignatures(self):
+    for apk_filename, certname in self.certmap.iteritems():
+      if certname == "EXTERNAL":
+        # Apps marked EXTERNAL should be signed with the test key
+        # during development, then manually re-signed after
+        # predexopting.  Consider it an error if this app is now
+        # signed with any key that is present in our tree.
+        apk = self.apks_by_basename[apk_filename]
+        name = ALL_CERTS.Get(apk.cert)
+        if not name.startswith("unknown "):
+          Push(apk.filename)
+          AddProblem("hasn't been signed with EXTERNAL cert")
+          Pop()
+
+  def PrintCerts(self):
+    """Display a table of packages grouped by cert."""
+    by_cert = {}
+    for apk in self.apks.itervalues():
+      for cert in apk.certs:
+        by_cert.setdefault(cert, []).append((apk.package, apk))
+
+    order = [(-len(v), k) for (k, v) in by_cert.iteritems()]
+    order.sort()
+
+    for _, cert in order:
+      print "%s:" % (ALL_CERTS.Get(cert),)
+      apks = by_cert[cert]
+      apks.sort()
+      for _, apk in apks:
+        if apk.shared_uid:
+          print "  %-*s  %-*s  [%s]" % (self.max_fn_len, apk.filename,
+                                        self.max_pkg_len, apk.package,
+                                        apk.shared_uid)
+        else:
+          print "  %-*s  %s" % (self.max_fn_len, apk.filename, apk.package)
+      print
+
+  def CompareWith(self, other):
+    """Look for instances where a given package that exists in both
+    self and other have different certs."""
+
+    all_apks = set(self.apks.keys())
+    all_apks.update(other.apks.keys())
+
+    max_pkg_len = max(self.max_pkg_len, other.max_pkg_len)
+
+    by_certpair = {}
+
+    for i in all_apks:
+      if i in self.apks:
+        if i in other.apks:
+          # in both; should have same set of certs
+          if self.apks[i].certs != other.apks[i].certs:
+            by_certpair.setdefault((other.apks[i].certs,
+                                    self.apks[i].certs), []).append(i)
+        else:
+          print "%s [%s]: new APK (not in comparison target_files)" % (
+              i, self.apks[i].filename)
+      else:
+        if i in other.apks:
+          print "%s [%s]: removed APK (only in comparison target_files)" % (
+              i, other.apks[i].filename)
+
+    if by_certpair:
+      AddProblem("some APKs changed certs")
+      Banner("APK signing differences")
+      for (old, new), packages in sorted(by_certpair.items()):
+        for i, o in enumerate(old):
+          if i == 0:
+            print "was", ALL_CERTS.Get(o)
+          else:
+            print "   ", ALL_CERTS.Get(o)
+        for i, n in enumerate(new):
+          if i == 0:
+            print "now", ALL_CERTS.Get(n)
+          else:
+            print "   ", ALL_CERTS.Get(n)
+        for i in sorted(packages):
+          old_fn = other.apks[i].filename
+          new_fn = self.apks[i].filename
+          if old_fn == new_fn:
+            print "  %-*s  [%s]" % (max_pkg_len, i, old_fn)
+          else:
+            print "  %-*s  [was: %s; now: %s]" % (max_pkg_len, i,
+                                                  old_fn, new_fn)
+        print
+
+
+def main(argv):
+  def option_handler(o, a):
+    if o in ("-c", "--compare_with"):
+      OPTIONS.compare_with = a
+    elif o in ("-l", "--local_cert_dirs"):
+      OPTIONS.local_cert_dirs = [i.strip() for i in a.split(",")]
+    elif o in ("-t", "--text"):
+      OPTIONS.text = True
+    else:
+      return False
+    return True
+
+  args = common.ParseOptions(argv, __doc__,
+                             extra_opts="c:l:t",
+                             extra_long_opts=["compare_with=",
+                                              "local_cert_dirs="],
+                             extra_option_handler=option_handler)
+
+  if len(args) != 1:
+    common.Usage(__doc__)
+    sys.exit(1)
+
+  ALL_CERTS.FindLocalCerts()
+
+  Push("input target_files:")
+  try:
+    target_files = TargetFiles()
+    target_files.LoadZipFile(args[0])
+  finally:
+    Pop()
+
+  compare_files = None
+  if OPTIONS.compare_with:
+    Push("comparison target_files:")
+    try:
+      compare_files = TargetFiles()
+      compare_files.LoadZipFile(OPTIONS.compare_with)
+    finally:
+      Pop()
+
+  if OPTIONS.text or not compare_files:
+    Banner("target files")
+    target_files.PrintCerts()
+  target_files.CheckSharedUids()
+  target_files.CheckExternalSignatures()
+  if compare_files:
+    if OPTIONS.text:
+      Banner("comparison files")
+      compare_files.PrintCerts()
+    target_files.CompareWith(compare_files)
+
+  if PROBLEMS:
+    print "%d problem(s) found:\n" % (len(PROBLEMS),)
+    for p in PROBLEMS:
+      print p
+    return 1
+
+  return 0
+
+
+if __name__ == '__main__':
+  try:
+    r = main(sys.argv[1:])
+    sys.exit(r)
+  except common.ExternalError as e:
+    print
+    print "   ERROR: %s" % (e,)
+    print
+    sys.exit(1)
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 8941f890f..c81862c06 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -30,44 +30,79 @@
 import zipfile
 
 import blockimgdiff
-from rangelib import *
 
-try:
-  from hashlib import sha1 as sha1
-except ImportError:
-  from sha import sha as sha1
+from hashlib import sha1 as sha1
 
-# missing in Python 2.4 and before
-if not hasattr(os, "SEEK_SET"):
-  os.SEEK_SET = 0
 
-class Options(object): pass
-OPTIONS = Options()
-
-DEFAULT_SEARCH_PATH_BY_PLATFORM = {
-    "linux2": "out/host/linux-x86",
-    "darwin": "out/host/darwin-x86",
+class Options(object):
+  def __init__(self):
+    platform_search_path = {
+        "linux2": "out/host/linux-x86",
+        "darwin": "out/host/darwin-x86",
     }
-OPTIONS.search_path = DEFAULT_SEARCH_PATH_BY_PLATFORM.get(sys.platform, None)
 
-OPTIONS.signapk_path = "framework/signapk.jar"  # Relative to search_path
-OPTIONS.extra_signapk_args = []
-OPTIONS.java_path = "java"  # Use the one on the path by default.
-OPTIONS.java_args = "-Xmx2048m" # JVM Args
-OPTIONS.public_key_suffix = ".x509.pem"
-OPTIONS.private_key_suffix = ".pk8"
-OPTIONS.verbose = False
-OPTIONS.tempfiles = []
-OPTIONS.device_specific = None
-OPTIONS.extras = {}
-OPTIONS.info_dict = None
+    self.search_path = platform_search_path.get(sys.platform, None)
+    self.signapk_path = "framework/signapk.jar"  # Relative to search_path
+    self.signapk_shared_library_path = "lib64"   # Relative to search_path
+    self.extra_signapk_args = []
+    self.java_path = "java"  # Use the one on the path by default.
+    self.java_args = ["-Xmx2048m"]  # The default JVM args.
+    self.public_key_suffix = ".x509.pem"
+    self.private_key_suffix = ".pk8"
+    # use otatools built boot_signer by default
+    self.boot_signer_path = "boot_signer"
+    self.boot_signer_args = []
+    self.verity_signer_path = None
+    self.verity_signer_args = []
+    self.verbose = False
+    self.tempfiles = []
+    self.device_specific = None
+    self.extras = {}
+    self.info_dict = None
+    self.source_info_dict = None
+    self.target_info_dict = None
+    self.worker_threads = None
+    # Stash size cannot exceed cache_size * threshold.
+    self.cache_size = None
+    self.stash_threshold = 0.8
+
+
+OPTIONS = Options()
 
 
 # Values for "certificate" in apkcerts that mean special things.
 SPECIAL_CERT_STRINGS = ("PRESIGNED", "EXTERNAL")
 
-
-class ExternalError(RuntimeError): pass
+class ErrorCode(object):
+  """Define error_codes for failures that happen during the actual
+  update package installation.
+
+  Error codes 0-999 are reserved for failures before the package
+  installation (i.e. low battery, package verification failure).
+  Detailed code in 'bootable/recovery/error_code.h' """
+
+  SYSTEM_VERIFICATION_FAILURE = 1000
+  SYSTEM_UPDATE_FAILURE = 1001
+  SYSTEM_UNEXPECTED_CONTENTS = 1002
+  SYSTEM_NONZERO_CONTENTS = 1003
+  SYSTEM_RECOVER_FAILURE = 1004
+  VENDOR_VERIFICATION_FAILURE = 2000
+  VENDOR_UPDATE_FAILURE = 2001
+  VENDOR_UNEXPECTED_CONTENTS = 2002
+  VENDOR_NONZERO_CONTENTS = 2003
+  VENDOR_RECOVER_FAILURE = 2004
+  OEM_PROP_MISMATCH = 3000
+  FINGERPRINT_MISMATCH = 3001
+  THUMBPRINT_MISMATCH = 3002
+  OLDER_BUILD = 3003
+  DEVICE_MISMATCH = 3004
+  BAD_PATCH_FILE = 3005
+  INSUFFICIENT_CACHE_SPACE = 3006
+  TUNE_PARTITION_FAILURE = 3007
+  APPLY_PATCH_FAILURE = 3008
+
+class ExternalError(RuntimeError):
+  pass
 
 
 def Run(args, **kwargs):
@@ -94,19 +129,19 @@ def CloseInheritedPipes():
       pass
 
 
-def LoadInfoDict(input):
+def LoadInfoDict(input_file, input_dir=None):
   """Read and parse the META/misc_info.txt key/value pairs from the
   input target files and return a dict."""
 
   def read_helper(fn):
-    if isinstance(input, zipfile.ZipFile):
-      return input.read(fn)
+    if isinstance(input_file, zipfile.ZipFile):
+      return input_file.read(fn)
     else:
-      path = os.path.join(input, *fn.split("/"))
+      path = os.path.join(input_file, *fn.split("/"))
       try:
         with open(path) as f:
           return f.read()
-      except IOError, e:
+      except IOError as e:
         if e.errno == errno.ENOENT:
           raise KeyError(fn)
   d = {}
@@ -122,14 +157,16 @@ def read_helper(fn):
 
   if "mkyaffs2_extra_flags" not in d:
     try:
-      d["mkyaffs2_extra_flags"] = read_helper("META/mkyaffs2-extra-flags.txt").strip()
+      d["mkyaffs2_extra_flags"] = read_helper(
+          "META/mkyaffs2-extra-flags.txt").strip()
     except KeyError:
       # ok if flags don't exist
       pass
 
   if "recovery_api_version" not in d:
     try:
-      d["recovery_api_version"] = read_helper("META/recovery-api-version.txt").strip()
+      d["recovery_api_version"] = read_helper(
+          "META/recovery-api-version.txt").strip()
     except KeyError:
       raise ValueError("can't find recovery API version in input target-files")
 
@@ -143,12 +180,66 @@ def read_helper(fn):
   if "fstab_version" not in d:
     d["fstab_version"] = "1"
 
+  # A few properties are stored as links to the files in the out/ directory.
+  # It works fine with the build system. However, they are no longer available
+  # when (re)generating from target_files zip. If input_dir is not None, we
+  # are doing repacking. Redirect those properties to the actual files in the
+  # unzipped directory.
+  if input_dir is not None:
+    # We carry a copy of file_contexts.bin under META/. If not available,
+    # search BOOT/RAMDISK/. Note that sometimes we may need a different file
+    # to build images than the one running on device, such as when enabling
+    # system_root_image. In that case, we must have the one for image
+    # generation copied to META/.
+    fc_basename = os.path.basename(d.get("selinux_fc", "file_contexts"))
+    fc_config = os.path.join(input_dir, "META", fc_basename)
+    if d.get("system_root_image") == "true":
+      assert os.path.exists(fc_config)
+    if not os.path.exists(fc_config):
+      fc_config = os.path.join(input_dir, "BOOT", "RAMDISK", fc_basename)
+      if not os.path.exists(fc_config):
+        fc_config = None
+
+    if fc_config:
+      d["selinux_fc"] = fc_config
+
+    # Similarly we need to redirect "ramdisk_dir" and "ramdisk_fs_config".
+    if d.get("system_root_image") == "true":
+      d["ramdisk_dir"] = os.path.join(input_dir, "ROOT")
+      d["ramdisk_fs_config"] = os.path.join(
+          input_dir, "META", "root_filesystem_config.txt")
+
+    # Redirect {system,vendor}_base_fs_file.
+    if "system_base_fs_file" in d:
+      basename = os.path.basename(d["system_base_fs_file"])
+      system_base_fs_file = os.path.join(input_dir, "META", basename)
+      if os.path.exists(system_base_fs_file):
+        d["system_base_fs_file"] = system_base_fs_file
+      else:
+        print "Warning: failed to find system base fs file: %s" % (
+            system_base_fs_file,)
+        del d["system_base_fs_file"]
+
+    if "vendor_base_fs_file" in d:
+      basename = os.path.basename(d["vendor_base_fs_file"])
+      vendor_base_fs_file = os.path.join(input_dir, "META", basename)
+      if os.path.exists(vendor_base_fs_file):
+        d["vendor_base_fs_file"] = vendor_base_fs_file
+      else:
+        print "Warning: failed to find vendor base fs file: %s" % (
+            vendor_base_fs_file,)
+        del d["vendor_base_fs_file"]
+
+  if "device_type" not in d:
+    d["device_type"] = "MMC"
   try:
     data = read_helper("META/imagesizes.txt")
     for line in data.split("\n"):
-      if not line: continue
+      if not line:
+        continue
       name, value = line.split(" ", 1)
-      if not value: continue
+      if not value:
+        continue
       if name == "blocksize":
         d[name] = value
       else:
@@ -170,7 +261,18 @@ def makeint(key):
   makeint("boot_size")
   makeint("fstab_version")
 
-  d["fstab"] = LoadRecoveryFSTab(read_helper, d["fstab_version"])
+  system_root_image = d.get("system_root_image", None) == "true"
+  if d.get("no_recovery", None) != "true":
+    recovery_fstab_path = "RECOVERY/RAMDISK/etc/recovery.fstab"
+    d["fstab"] = LoadRecoveryFSTab(read_helper, d["fstab_version"],
+        d["device_type"], recovery_fstab_path, system_root_image)
+  elif d.get("recovery_as_boot", None) == "true":
+    recovery_fstab_path = "BOOT/RAMDISK/etc/recovery.fstab"
+    d["fstab"] = LoadRecoveryFSTab(read_helper, d["fstab_version"],
+        d["device_type"], recovery_fstab_path, system_root_image)
+  else:
+    d["fstab"] = None
+
   d["build.prop"] = LoadBuildProp(read_helper)
   return d
 
@@ -186,92 +288,114 @@ def LoadDictionaryFromLines(lines):
   d = {}
   for line in lines:
     line = line.strip()
-    if not line or line.startswith("#"): continue
+    if not line or line.startswith("#"):
+      continue
     if "=" in line:
       name, value = line.split("=", 1)
       d[name] = value
   return d
 
-def LoadRecoveryFSTab(read_helper, fstab_version):
+def LoadRecoveryFSTab(read_helper, fstab_version, type, recovery_fstab_path,
+                      system_root_image=False):
   class Partition(object):
-    pass
+    def __init__(self, mount_point, fs_type, device, length, device2, context):
+      self.mount_point = mount_point
+      self.fs_type = fs_type
+      self.device = device
+      self.length = length
+      self.device2 = device2
+      self.context = context
 
   try:
-    data = read_helper("RECOVERY/RAMDISK/etc/recovery.fstab")
+    data = read_helper(recovery_fstab_path)
   except KeyError:
-    print "Warning: could not find RECOVERY/RAMDISK/etc/recovery.fstab"
+    print "Warning: could not find {}".format(recovery_fstab_path)
     data = ""
 
   if fstab_version == 1:
     d = {}
     for line in data.split("\n"):
       line = line.strip()
-      if not line or line.startswith("#"): continue
+      if not line or line.startswith("#"):
+        continue
       pieces = line.split()
-      if not (3 <= len(pieces) <= 4):
+      if not 3 <= len(pieces) <= 4:
         raise ValueError("malformed recovery.fstab line: \"%s\"" % (line,))
-
-      p = Partition()
-      p.mount_point = pieces[0]
-      p.fs_type = pieces[1]
-      p.device = pieces[2]
-      p.length = 0
       options = None
       if len(pieces) >= 4:
         if pieces[3].startswith("/"):
-          p.device2 = pieces[3]
+          device2 = pieces[3]
           if len(pieces) >= 5:
             options = pieces[4]
         else:
-          p.device2 = None
+          device2 = None
           options = pieces[3]
       else:
-        p.device2 = None
+        device2 = None
 
+      mount_point = pieces[0]
+      length = 0
       if options:
         options = options.split(",")
         for i in options:
           if i.startswith("length="):
-            p.length = int(i[7:])
+            length = int(i[7:])
           else:
-              print "%s: unknown option \"%s\"" % (p.mount_point, i)
+            print "%s: unknown option \"%s\"" % (mount_point, i)
 
-      d[p.mount_point] = p
+      if not d.get(mount_point):
+          d[mount_point] = Partition(mount_point=mount_point, fs_type=pieces[1],
+                                     device=pieces[2], length=length,
+                                     device2=device2)
 
   elif fstab_version == 2:
     d = {}
     for line in data.split("\n"):
       line = line.strip()
-      if not line or line.startswith("#"): continue
+      if not line or line.startswith("#"):
+        continue
+      # <src> <mnt_point> <type> <mnt_flags and options> <fs_mgr_flags>
       pieces = line.split()
       if len(pieces) != 5:
         raise ValueError("malformed recovery.fstab line: \"%s\"" % (line,))
 
       # Ignore entries that are managed by vold
       options = pieces[4]
-      if "voldmanaged=" in options: continue
+      if "voldmanaged=" in options:
+        continue
 
       # It's a good line, parse it
-      p = Partition()
-      p.device = pieces[0]
-      p.mount_point = pieces[1]
-      p.fs_type = pieces[2]
-      p.device2 = None
-      p.length = 0
-
+      length = 0
       options = options.split(",")
       for i in options:
         if i.startswith("length="):
-          p.length = int(i[7:])
+          length = int(i[7:])
         else:
           # Ignore all unknown options in the unified fstab
           continue
 
-      d[p.mount_point] = p
+      mount_flags = pieces[3]
+      # Honor the SELinux context if present.
+      context = None
+      for i in mount_flags.split(","):
+        if i.startswith("context="):
+          context = i
+
+      mount_point = pieces[1]
+      if not d.get(mount_point):
+          d[mount_point] = Partition(mount_point=mount_point, fs_type=pieces[2],
+                                     device=pieces[0], length=length,
+                                     device2=None, context=context)
 
   else:
     raise ValueError("Unknown fstab_version: \"%d\"" % (fstab_version,))
 
+  # / is used for the system mount point when the root directory is included in
+  # system. Other areas assume system is always at "/system" so point /system
+  # at /.
+  if system_root_image:
+    assert not d.has_key("/system") and d.has_key("/")
+    d["/system"] = d["/"]
   return d
 
 
@@ -279,95 +403,243 @@ def DumpInfoDict(d):
   for k, v in sorted(d.items()):
     print "%-25s = (%s) %s" % (k, type(v).__name__, v)
 
-def BuildBootableImage(sourcedir, fs_config_file, info_dict=None):
-  """Take a kernel, cmdline, and ramdisk directory from the input (in
-  'sourcedir'), and turn them into a boot image.  Return the image
-  data, or None if sourcedir does not appear to contains files for
-  building the requested image."""
 
-  if (not os.access(os.path.join(sourcedir, "RAMDISK"), os.F_OK) or
-      not os.access(os.path.join(sourcedir, "kernel"), os.F_OK)):
-    return None
+def _BuildBootableImage(sourcedir, fs_config_file, info_dict=None,
+                        has_ramdisk=False, two_step_image=False):
+  """Build a bootable image from the specified sourcedir.
 
-  if info_dict is None:
-    info_dict = OPTIONS.info_dict
+  Take a kernel, cmdline, and optionally a ramdisk directory from the input (in
+  'sourcedir'), and turn them into a boot image. 'two_step_image' indicates if
+  we are building a two-step special image (i.e. building a recovery image to
+  be loaded into /boot in two-step OTAs).
 
-  ramdisk_img = tempfile.NamedTemporaryFile()
-  img = tempfile.NamedTemporaryFile()
+  Return the image data, or None if sourcedir does not appear to contains files
+  for building the requested image.
+  """
 
-  if os.access(fs_config_file, os.F_OK):
-    cmd = ["mkbootfs", "-f", fs_config_file, os.path.join(sourcedir, "RAMDISK")]
-  else:
-    cmd = ["mkbootfs", os.path.join(sourcedir, "RAMDISK")]
-  p1 = Run(cmd, stdout=subprocess.PIPE)
-  p2 = Run(["minigzip"],
-           stdin=p1.stdout, stdout=ramdisk_img.file.fileno())
+  def make_ramdisk():
+    ramdisk_img = tempfile.NamedTemporaryFile()
 
-  p2.wait()
-  p1.wait()
-  assert p1.returncode == 0, "mkbootfs of %s ramdisk failed" % (targetname,)
-  assert p2.returncode == 0, "minigzip of %s ramdisk failed" % (targetname,)
+    if os.access(fs_config_file, os.F_OK):
+      cmd = ["mkbootfs", "-f", fs_config_file,
+             os.path.join(sourcedir, "RAMDISK")]
+    else:
+      cmd = ["mkbootfs", os.path.join(sourcedir, "RAMDISK")]
+    p1 = Run(cmd, stdout=subprocess.PIPE)
+    p2 = Run(["minigzip"], stdin=p1.stdout, stdout=ramdisk_img.file.fileno())
 
-  # use MKBOOTIMG from environ, or "mkbootimg" if empty or not set
-  mkbootimg = os.getenv('MKBOOTIMG') or "mkbootimg"
+    p2.wait()
+    p1.wait()
+    assert p1.returncode == 0, "mkbootfs of %s ramdisk failed" % (sourcedir,)
+    assert p2.returncode == 0, "minigzip of %s ramdisk failed" % (sourcedir,)
 
-  cmd = [mkbootimg, "--kernel", os.path.join(sourcedir, "kernel")]
+    return ramdisk_img
 
-  fn = os.path.join(sourcedir, "second")
-  if os.access(fn, os.F_OK):
-    cmd.append("--second")
-    cmd.append(fn)
+  if not os.access(os.path.join(sourcedir, "kernel"), os.F_OK):
+    return None
 
-  fn = os.path.join(sourcedir, "cmdline")
-  if os.access(fn, os.F_OK):
-    cmd.append("--cmdline")
-    cmd.append(open(fn).read().rstrip("\n"))
+  if has_ramdisk and not os.access(os.path.join(sourcedir, "RAMDISK"), os.F_OK):
+    return None
 
-  fn = os.path.join(sourcedir, "base")
-  if os.access(fn, os.F_OK):
-    cmd.append("--base")
-    cmd.append(open(fn).read().rstrip("\n"))
+  if info_dict is None:
+    info_dict = OPTIONS.info_dict
 
-  fn = os.path.join(sourcedir, "pagesize")
-  if os.access(fn, os.F_OK):
-    cmd.append("--pagesize")
-    cmd.append(open(fn).read().rstrip("\n"))
+  img = tempfile.NamedTemporaryFile()
+  bootimg_key = os.getenv("PRODUCT_PRIVATE_KEY", None)
+  verity_key = os.getenv("PRODUCT_VERITY_KEY", None)
+  custom_boot_signer = os.getenv("PRODUCT_BOOT_SIGNER", None)
 
-  args = info_dict.get("mkbootimg_args", None)
-  if args and args.strip():
-    cmd.extend(shlex.split(args))
+  if has_ramdisk:
+    ramdisk_img = make_ramdisk()
 
-  cmd.extend(["--ramdisk", ramdisk_img.name,
-              "--output", img.name])
+  """check if uboot is requested"""
+  fn = os.path.join(sourcedir, "ubootargs")
+  if os.access(fn, os.F_OK):
+    cmd = ["mkimage"]
+    for argument in open(fn).read().rstrip("\n").split(" "):
+      cmd.append(argument)
+    cmd.append("-d")
+    cmd.append(os.path.join(sourcedir, "kernel") + ":" + ramdisk_img.name)
+    cmd.append(img.name)
+  else:
+    # use MKBOOTIMG from environ, or "mkbootimg" if empty or not set
+    mkbootimg = os.getenv('MKBOOTIMG') or "mkbootimg"
+
+    cmd = [mkbootimg, "--kernel", os.path.join(sourcedir, "kernel")]
+
+    fn = os.path.join(sourcedir, "second")
+    if os.access(fn, os.F_OK):
+      cmd.append("--second")
+      cmd.append(fn)
+
+    fn = os.path.join(sourcedir, "cmdline")
+    if os.access(fn, os.F_OK):
+      cmd.append("--cmdline")
+      cmd.append(open(fn).read().rstrip("\n"))
+
+    fn = os.path.join(sourcedir, "base")
+    if os.access(fn, os.F_OK):
+      cmd.append("--base")
+      cmd.append(open(fn).read().rstrip("\n"))
+
+    fn = os.path.join(sourcedir, "tagsaddr")
+    if os.access(fn, os.F_OK):
+      cmd.append("--tags-addr")
+      cmd.append(open(fn).read().rstrip("\n"))
+
+    fn = os.path.join(sourcedir, "tags_offset")
+    if os.access(fn, os.F_OK):
+      cmd.append("--tags_offset")
+      cmd.append(open(fn).read().rstrip("\n"))
+
+    fn = os.path.join(sourcedir, "ramdisk_offset")
+    if os.access(fn, os.F_OK):
+      cmd.append("--ramdisk_offset")
+      cmd.append(open(fn).read().rstrip("\n"))
+
+    fn = os.path.join(sourcedir, "dt")
+    if os.access(fn, os.F_OK):
+      cmd.append("--dt")
+      cmd.append(fn)
+
+    fn = os.path.join(sourcedir, "pagesize")
+    if os.access(fn, os.F_OK):
+      kernel_pagesize = open(fn).read().rstrip("\n")
+      cmd.append("--pagesize")
+      cmd.append(kernel_pagesize)
+
+    args = info_dict.get("mkbootimg_args", None)
+    if args and args.strip():
+      cmd.extend(shlex.split(args))
+
+    args = info_dict.get("mkbootimg_version_args", None)
+    if args and args.strip():
+      cmd.extend(shlex.split(args))
+
+    if has_ramdisk:
+      cmd.extend(["--ramdisk", ramdisk_img.name])
+
+    img_unsigned = None
+    if info_dict.get("vboot", None):
+      img_unsigned = tempfile.NamedTemporaryFile()
+      cmd.extend(["--output", img_unsigned.name])
+    else:
+      cmd.extend(["--output", img.name])
 
   p = Run(cmd, stdout=subprocess.PIPE)
   p.communicate()
   assert p.returncode == 0, "mkbootimg of %s image failed" % (
       os.path.basename(sourcedir),)
 
-  if info_dict.get("verity_key", None):
+  if custom_boot_signer and bootimg_key and os.path.exists(bootimg_key):
+    print("Signing bootable image with custom boot signer...")
+    img_secure = tempfile.NamedTemporaryFile()
+    p = Run([custom_boot_signer, img.name, img_secure.name], stdout=subprocess.PIPE)
+    p.communicate()
+    assert p.returncode == 0, "signing of bootable image failed"
+    shutil.copyfile(img_secure.name, img.name)
+    img_secure.close()
+  elif bootimg_key and os.path.exists(bootimg_key) and kernel_pagesize > 0:
+    print("Signing bootable image...")
+    bootimg_key_passwords = {}
+    bootimg_key_passwords.update(PasswordManager().GetPasswords(bootimg_key.split()))
+    bootimg_key_password = bootimg_key_passwords[bootimg_key]
+    if bootimg_key_password is not None:
+        bootimg_key_password += "\n"
+    img_sha256 = tempfile.NamedTemporaryFile()
+    img_sig = tempfile.NamedTemporaryFile()
+    img_sig_padded = tempfile.NamedTemporaryFile()
+    img_secure = tempfile.NamedTemporaryFile()
+    p = Run(["openssl", "dgst", "-sha256", "-binary", "-out", img_sha256.name, img.name],
+        stdout=subprocess.PIPE)
+    p.communicate()
+    assert p.returncode == 0, "signing of bootable image failed"
+    p = Run(["openssl", "rsautl", "-sign", "-in", img_sha256.name, "-inkey", bootimg_key, "-out",
+        img_sig.name, "-passin", "stdin"], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+    p.communicate(bootimg_key_password)
+    assert p.returncode == 0, "signing of bootable image failed"
+    p = Run(["dd", "if=/dev/zero", "of=%s" % img_sig_padded.name, "bs=%s" % kernel_pagesize,
+        "count=1"], stdout=subprocess.PIPE)
+    p.communicate()
+    assert p.returncode == 0, "signing of bootable image failed"
+    p = Run(["dd", "if=%s" % img_sig.name, "of=%s" % img_sig_padded.name, "conv=notrunc"],
+        stdout=subprocess.PIPE)
+    p.communicate()
+    assert p.returncode == 0, "signing of bootable image failed"
+    p = Run(["cat", img.name, img_sig_padded.name], stdout=img_secure.file.fileno())
+    p.communicate()
+    assert p.returncode == 0, "signing of bootable image failed"
+    shutil.copyfile(img_secure.name, img.name)
+    img_sha256.close()
+    img_sig.close()
+    img_sig_padded.close()
+    img_secure.close()
+
+  if (info_dict.get("boot_signer", None) == "true" and
+      info_dict.get("verity_key", None)):
+    # Hard-code the path as "/boot" for two-step special recovery image (which
+    # will be loaded into /boot during the two-step OTA).
+    if two_step_image:
+      path = "/boot"
+    else:
+      path = "/" + os.path.basename(sourcedir).lower()
+    cmd = [OPTIONS.boot_signer_path]
+    cmd.extend(OPTIONS.boot_signer_args)
+    cmd.extend([path, img.name,
+                info_dict["verity_key"] + ".pk8",
+                info_dict["verity_key"] + ".x509.pem", img.name])
+    verity_key_password = None
+
+    if verity_key and os.path.exists(verity_key+".pk8") and kernel_pagesize > 0:
+      verity_key_passwords = {}
+      verity_key_passwords.update(PasswordManager().GetPasswords(verity_key.split()))
+      verity_key_password = verity_key_passwords[verity_key]
+
+    if verity_key_password is not None:
+      verity_key_password += "\n"
+      p = Run(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+      p.communicate(verity_key_password)
+    else:
+      p = Run(cmd)
+      p.communicate()
+
+    assert p.returncode == 0, "boot_signer of %s image failed" % path
+
+  # Sign the image if vboot is non-empty.
+  elif info_dict.get("vboot", None):
     path = "/" + os.path.basename(sourcedir).lower()
-    cmd = ["boot_signer", path, img.name, info_dict["verity_key"] + ".pk8", info_dict["verity_key"] + ".x509.pem", img.name]
+    img_keyblock = tempfile.NamedTemporaryFile()
+    cmd = [info_dict["vboot_signer_cmd"], info_dict["futility"],
+           img_unsigned.name, info_dict["vboot_key"] + ".vbpubk",
+           info_dict["vboot_key"] + ".vbprivk",
+           info_dict["vboot_subkey"] + ".vbprivk",
+           img_keyblock.name,
+           img.name]
     p = Run(cmd, stdout=subprocess.PIPE)
     p.communicate()
-    assert p.returncode == 0, "boot_signer of %s image failed" % path
+    assert p.returncode == 0, "vboot_signer of %s image failed" % path
+
+    # Clean up the temp files.
+    img_unsigned.close()
+    img_keyblock.close()
 
   img.seek(os.SEEK_SET, 0)
   data = img.read()
 
-  ramdisk_img.close()
+  if has_ramdisk:
+    ramdisk_img.close()
   img.close()
 
   return data
 
 
 def GetBootableImage(name, prebuilt_name, unpack_dir, tree_subdir,
-                     info_dict=None):
-  """Return a File object (with name 'name') with the desired bootable
-  image.  Look for it in 'unpack_dir'/BOOTABLE_IMAGES under the name
-  'prebuilt_name', otherwise look for it under 'unpack_dir'/IMAGES,
-  otherwise construct it from the source files in
-  'unpack_dir'/'tree_subdir'."""
+                     info_dict=None, two_step_image=False):
+  """Return a File object with the desired bootable image.
+
+  Look for it in 'unpack_dir'/BOOTABLE_IMAGES under the name 'prebuilt_name',
+  otherwise look for it under 'unpack_dir'/IMAGES, otherwise construct it from
+  the source files in 'unpack_dir'/'tree_subdir'."""
 
   prebuilt_path = os.path.join(unpack_dir, "BOOTABLE_IMAGES", prebuilt_name)
   if os.path.exists(prebuilt_path):
@@ -380,10 +652,21 @@ def GetBootableImage(name, prebuilt_name, unpack_dir, tree_subdir,
     return File.FromLocalFile(name, prebuilt_path)
 
   print "building image from target_files %s..." % (tree_subdir,)
+
+  if info_dict is None:
+    info_dict = OPTIONS.info_dict
+
+  # With system_root_image == "true", we don't pack ramdisk into the boot image.
+  # Unless "recovery_as_boot" is specified, in which case we carry the ramdisk
+  # for recovery.
+  has_ramdisk = (info_dict.get("system_root_image") != "true" or
+                 prebuilt_name != "boot.img" or
+                 info_dict.get("recovery_as_boot") == "true")
+
   fs_config = "META/" + tree_subdir.lower() + "_filesystem_config.txt"
-  data = BuildBootableImage(os.path.join(unpack_dir, tree_subdir),
-                            os.path.join(unpack_dir, fs_config),
-                            info_dict)
+  data = _BuildBootableImage(os.path.join(unpack_dir, tree_subdir),
+                             os.path.join(unpack_dir, fs_config),
+                             info_dict, has_ramdisk, two_step_image)
   if data:
     return File(name, data)
   return None
@@ -403,6 +686,7 @@ def UnzipTemp(filename, pattern=None):
   OPTIONS.tempfiles.append(tmp)
 
   def unzip_to_dir(filename, dirname):
+    subprocess.call(["rm", "-rf", dirname + filename, "targetfiles-*"])
     cmd = ["unzip", "-o", "-q", filename, "-d", dirname]
     if pattern is not None:
       cmd.append(pattern)
@@ -453,7 +737,7 @@ def GetKeyPasswords(keylist):
               stdin=devnull.fileno(),
               stdout=devnull.fileno(),
               stderr=subprocess.PIPE)
-      stdout, stderr = p.communicate()
+      _, stderr = p.communicate()
       if p.returncode == 0:
         # Encrypted key with empty string as password.
         key_passwords[k] = ''
@@ -472,37 +756,83 @@ def GetKeyPasswords(keylist):
   return key_passwords
 
 
-def SignFile(input_name, output_name, key, password, align=None,
-             whole_file=False):
+def GetMinSdkVersion(apk_name):
+  """Get the minSdkVersion delared in the APK. This can be both a decimal number
+  (API Level) or a codename.
+  """
+
+  p = Run(["aapt", "dump", "badging", apk_name], stdout=subprocess.PIPE)
+  output, err = p.communicate()
+  if err:
+    raise ExternalError("Failed to obtain minSdkVersion: aapt return code %s"
+        % (p.returncode,))
+
+  for line in output.split("\n"):
+    # Looking for lines such as sdkVersion:'23' or sdkVersion:'M'
+    m = re.match(r'sdkVersion:\'([^\']*)\'', line)
+    if m:
+      return m.group(1)
+  raise ExternalError("No minSdkVersion returned by aapt")
+
+
+def GetMinSdkVersionInt(apk_name, codename_to_api_level_map):
+  """Get the minSdkVersion declared in the APK as a number (API Level). If
+  minSdkVersion is set to a codename, it is translated to a number using the
+  provided map.
+  """
+
+  version = GetMinSdkVersion(apk_name)
+  try:
+    return int(version)
+  except ValueError:
+    # Not a decimal number. Codename?
+    if version in codename_to_api_level_map:
+      return codename_to_api_level_map[version]
+    else:
+      raise ExternalError("Unknown minSdkVersion: '%s'. Known codenames: %s"
+                          % (version, codename_to_api_level_map))
+
+
+def SignFile(input_name, output_name, key, password, min_api_level=None,
+    codename_to_api_level_map=dict(),
+    whole_file=False):
   """Sign the input_name zip/jar/apk, producing output_name.  Use the
   given key and password (the latter may be None if the key does not
   have a password.
 
-  If align is an integer > 1, zipalign is run to align stored files in
-  the output zip on 'align'-byte boundaries.
-
   If whole_file is true, use the "-w" option to SignApk to embed a
   signature that covers the whole file in the archive comment of the
   zip file.
-  """
 
-  if align == 0 or align == 1:
-    align = None
+  min_api_level is the API Level (int) of the oldest platform this file may end
+  up on. If not specified for an APK, the API Level is obtained by interpreting
+  the minSdkVersion attribute of the APK's AndroidManifest.xml.
 
-  if align:
-    temp = tempfile.NamedTemporaryFile()
-    sign_name = temp.name
-  else:
-    sign_name = output_name
+  codename_to_api_level_map is needed to translate the codename which may be
+  encountered as the APK's minSdkVersion.
+  """
+
+  java_library_path = os.path.join(
+      OPTIONS.search_path, OPTIONS.signapk_shared_library_path)
 
-  cmd = [OPTIONS.java_path, OPTIONS.java_args, "-jar",
-         os.path.join(OPTIONS.search_path, OPTIONS.signapk_path)]
-  cmd.extend(OPTIONS.extra_signapk_args)
+  cmd = ([OPTIONS.java_path] + OPTIONS.java_args +
+         ["-Djava.library.path=" + java_library_path,
+          "-jar", os.path.join(OPTIONS.search_path, OPTIONS.signapk_path)] +
+         OPTIONS.extra_signapk_args)
   if whole_file:
     cmd.append("-w")
+
+  min_sdk_version = min_api_level
+  if min_sdk_version is None:
+    if not whole_file:
+      min_sdk_version = GetMinSdkVersionInt(
+          input_name, codename_to_api_level_map)
+  if min_sdk_version is not None:
+    cmd.extend(["--min-sdk-version", str(min_sdk_version)])
+
   cmd.extend([key + OPTIONS.public_key_suffix,
               key + OPTIONS.private_key_suffix,
-              input_name, sign_name])
+              input_name, output_name])
 
   p = Run(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
   if password is not None:
@@ -511,33 +841,31 @@ def SignFile(input_name, output_name, key, password, align=None,
   if p.returncode != 0:
     raise ExternalError("signapk.jar failed: return code %s" % (p.returncode,))
 
-  if align:
-    p = Run(["zipalign", "-f", str(align), sign_name, output_name])
-    p.communicate()
-    if p.returncode != 0:
-      raise ExternalError("zipalign failed: return code %s" % (p.returncode,))
-    temp.close()
-
 
 def CheckSize(data, target, info_dict):
   """Check the data string passed against the max size limit, if
   any, for the given target.  Raise exception if the data is too big.
   Print a warning if the data is nearing the maximum size."""
 
-  if target.endswith(".img"): target = target[:-4]
+  if target.endswith(".img"):
+    target = target[:-4]
   mount_point = "/" + target
 
   fs_type = None
   limit = None
   if info_dict["fstab"]:
-    if mount_point == "/userdata": mount_point = "/data"
+    if mount_point == "/userdata_extra":
+      mount_point = "/data"
+    if mount_point == "/userdata":
+      mount_point = "/data"
     p = info_dict["fstab"][mount_point]
     fs_type = p.fs_type
     device = p.device
     if "/" in device:
       device = device[device.rfind("/")+1:]
     limit = info_dict.get(device + "_size", None)
-  if not fs_type or not limit: return
+  if not fs_type or not limit:
+    return
 
   if fs_type == "yaffs2":
     # image size should be increased by 1/64th to account for the
@@ -562,7 +890,8 @@ def ReadApkCerts(tf_zip):
   certmap = {}
   for line in tf_zip.read("META/apkcerts.txt").split("\n"):
     line = line.strip()
-    if not line: continue
+    if not line:
+      continue
     m = re.match(r'^name="(.*)"\s+certificate="(.*)"\s+'
                  r'private_key="(.*)"$', line)
     if m:
@@ -618,17 +947,18 @@ def ParseOptions(argv,
   try:
     opts, args = getopt.getopt(
         argv, "hvp:s:x:" + extra_opts,
-        ["help", "verbose", "path=", "signapk_path=", "extra_signapk_args=",
+        ["help", "verbose", "path=", "signapk_path=",
+         "signapk_shared_library_path=", "extra_signapk_args=",
          "java_path=", "java_args=", "public_key_suffix=",
-         "private_key_suffix=", "device_specific=", "extra="] +
+         "private_key_suffix=", "boot_signer_path=", "boot_signer_args=",
+         "verity_signer_path=", "verity_signer_args=", "device_specific=",
+         "extra="] +
         list(extra_long_opts))
-  except getopt.GetoptError, err:
+  except getopt.GetoptError as err:
     Usage(docstring)
     print "**", str(err), "**"
     sys.exit(2)
 
-  path_specified = False
-
   for o, a in opts:
     if o in ("-h", "--help"):
       Usage(docstring)
@@ -639,16 +969,26 @@ def ParseOptions(argv,
       OPTIONS.search_path = a
     elif o in ("--signapk_path",):
       OPTIONS.signapk_path = a
+    elif o in ("--signapk_shared_library_path",):
+      OPTIONS.signapk_shared_library_path = a
     elif o in ("--extra_signapk_args",):
       OPTIONS.extra_signapk_args = shlex.split(a)
     elif o in ("--java_path",):
       OPTIONS.java_path = a
     elif o in ("--java_args",):
-      OPTIONS.java_args = a
+      OPTIONS.java_args = shlex.split(a)
     elif o in ("--public_key_suffix",):
       OPTIONS.public_key_suffix = a
     elif o in ("--private_key_suffix",):
       OPTIONS.private_key_suffix = a
+    elif o in ("--boot_signer_path",):
+      OPTIONS.boot_signer_path = a
+    elif o in ("--boot_signer_args",):
+      OPTIONS.boot_signer_args = shlex.split(a)
+    elif o in ("--verity_signer_path",):
+      OPTIONS.verity_signer_path = a
+    elif o in ("--verity_signer_args",):
+      OPTIONS.verity_signer_args = shlex.split(a)
     elif o in ("-s", "--device_specific"):
       OPTIONS.device_specific = a
     elif o in ("-x", "--extra"):
@@ -686,6 +1026,7 @@ class PasswordManager(object):
   def __init__(self):
     self.editor = os.getenv("EDITOR", None)
     self.pwfile = os.getenv("ANDROID_PW_FILE", None)
+    self.secure_storage_cmd = os.getenv("ANDROID_SECURE_STORAGE_CMD", None)
 
   def GetPasswords(self, items):
     """Get passwords corresponding to each string in 'items',
@@ -705,9 +1046,24 @@ def GetPasswords(self, items):
       missing = []
       for i in items:
         if i not in current or not current[i]:
-          missing.append(i)
+          #Attempt to load using ANDROID_SECURE_STORAGE_CMD
+          if self.secure_storage_cmd:
+            try:
+              os.environ["TMP__KEY_FILE_NAME"] = str(i)
+              ps = subprocess.Popen(self.secure_storage_cmd, shell=True, stdout=subprocess.PIPE)
+              output = ps.communicate()[0]
+              if ps.returncode == 0:
+                current[i] = output
+            except Exception as e:
+              print(e)
+              pass
+          if i not in current or not current[i]:
+            missing.append(i)
       # Are all the passwords already in the file?
-      if not missing: return current
+      if not missing:
+        if "ANDROID_SECURE_STORAGE_CMD" in os.environ:
+          del os.environ["ANDROID_SECURE_STORAGE_CMD"]
+        return current
 
       for i in missing:
         current[i] = ""
@@ -721,7 +1077,7 @@ def GetPasswords(self, items):
 
       current = self.UpdateAndReadFile(current)
 
-  def PromptResult(self, current):
+  def PromptResult(self, current): # pylint: disable=no-self-use
     """Prompt the user to enter a value (password) for each key in
     'current' whose value is fales.  Returns a new dict with all the
     values.
@@ -732,9 +1088,10 @@ def PromptResult(self, current):
         result[k] = v
       else:
         while True:
-          result[k] = getpass.getpass("Enter password for %s key> "
-                                      % (k,)).strip()
-          if result[k]: break
+          result[k] = getpass.getpass(
+              "Enter password for %s key> " % k).strip()
+          if result[k]:
+            break
     return result
 
   def UpdateAndReadFile(self, current):
@@ -742,14 +1099,13 @@ def UpdateAndReadFile(self, current):
       return self.PromptResult(current)
 
     f = open(self.pwfile, "w")
-    os.chmod(self.pwfile, 0600)
+    os.chmod(self.pwfile, 0o600)
     f.write("# Enter key passwords between the [[[ ]]] brackets.\n")
     f.write("# (Additional spaces are harmless.)\n\n")
 
     first_line = None
-    sorted = [(not v, k, v) for (k, v) in current.iteritems()]
-    sorted.sort()
-    for i, (_, k, v) in enumerate(sorted):
+    sorted_list = sorted([(not v, k, v) for (k, v) in current.iteritems()])
+    for i, (_, k, v) in enumerate(sorted_list):
       f.write("[[[  %s  ]]] %s\n" % (v, k))
       if not v and first_line is None:
         # position cursor on first line with no password.
@@ -763,34 +1119,118 @@ def UpdateAndReadFile(self, current):
 
   def ReadFile(self):
     result = {}
-    if self.pwfile is None: return result
+    if self.pwfile is None:
+      return result
     try:
       f = open(self.pwfile, "r")
       for line in f:
         line = line.strip()
-        if not line or line[0] == '#': continue
+        if not line or line[0] == '#':
+          continue
         m = re.match(r"^\[\[\[\s*(.*?)\s*\]\]\]\s*(\S+)$", line)
         if not m:
           print "failed to parse password file: ", line
         else:
           result[m.group(2)] = m.group(1)
       f.close()
-    except IOError, e:
+    except IOError as e:
       if e.errno != errno.ENOENT:
         print "error reading password file: ", str(e)
     return result
 
 
-def ZipWriteStr(zip, filename, data, perms=0644, compression=None):
-  # use a fixed timestamp so the output is repeatable.
-  zinfo = zipfile.ZipInfo(filename=filename,
-                          date_time=(2009, 1, 1, 0, 0, 0))
-  if compression is None:
-    zinfo.compress_type = zip.compression
+def ZipWrite(zip_file, filename, arcname=None, perms=0o644,
+             compress_type=None):
+  import datetime
+
+  # http://b/18015246
+  # Python 2.7's zipfile implementation wrongly thinks that zip64 is required
+  # for files larger than 2GiB. We can work around this by adjusting their
+  # limit. Note that `zipfile.writestr()` will not work for strings larger than
+  # 2GiB. The Python interpreter sometimes rejects strings that large (though
+  # it isn't clear to me exactly what circumstances cause this).
+  # `zipfile.write()` must be used directly to work around this.
+  #
+  # This mess can be avoided if we port to python3.
+  saved_zip64_limit = zipfile.ZIP64_LIMIT
+  zipfile.ZIP64_LIMIT = (1 << 32) - 1
+
+  if compress_type is None:
+    compress_type = zip_file.compression
+  if arcname is None:
+    arcname = filename
+
+  saved_stat = os.stat(filename)
+
+  try:
+    # `zipfile.write()` doesn't allow us to pass ZipInfo, so just modify the
+    # file to be zipped and reset it when we're done.
+    os.chmod(filename, perms)
+
+    # Use a fixed timestamp so the output is repeatable.
+    epoch = datetime.datetime.fromtimestamp(0)
+    timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+    os.utime(filename, (timestamp, timestamp))
+
+    zip_file.write(filename, arcname=arcname, compress_type=compress_type)
+  finally:
+    os.chmod(filename, saved_stat.st_mode)
+    os.utime(filename, (saved_stat.st_atime, saved_stat.st_mtime))
+    zipfile.ZIP64_LIMIT = saved_zip64_limit
+
+
+def ZipWriteStr(zip_file, zinfo_or_arcname, data, perms=None,
+                compress_type=None):
+  """Wrap zipfile.writestr() function to work around the zip64 limit.
+
+  Even with the ZIP64_LIMIT workaround, it won't allow writing a string
+  longer than 2GiB. It gives 'OverflowError: size does not fit in an int'
+  when calling crc32(bytes).
+
+  But it still works fine to write a shorter string into a large zip file.
+  We should use ZipWrite() whenever possible, and only use ZipWriteStr()
+  when we know the string won't be too long.
+  """
+
+  saved_zip64_limit = zipfile.ZIP64_LIMIT
+  zipfile.ZIP64_LIMIT = (1 << 32) - 1
+
+  if not isinstance(zinfo_or_arcname, zipfile.ZipInfo):
+    zinfo = zipfile.ZipInfo(filename=zinfo_or_arcname)
+    zinfo.compress_type = zip_file.compression
+    if perms is None:
+      perms = 0o100644
   else:
-    zinfo.compress_type = compression
-  zinfo.external_attr = perms << 16
-  zip.writestr(zinfo, data)
+    zinfo = zinfo_or_arcname
+
+  # If compress_type is given, it overrides the value in zinfo.
+  if compress_type is not None:
+    zinfo.compress_type = compress_type
+
+  # If perms is given, it has a priority.
+  if perms is not None:
+    # If perms doesn't set the file type, mark it as a regular file.
+    if perms & 0o770000 == 0:
+      perms |= 0o100000
+    zinfo.external_attr = perms << 16
+
+  # Use a fixed timestamp so the output is repeatable.
+  zinfo.date_time = (2009, 1, 1, 0, 0, 0)
+
+  zip_file.writestr(zinfo, data)
+  zipfile.ZIP64_LIMIT = saved_zip64_limit
+
+
+def ZipClose(zip_file):
+  # http://b/18015246
+  # zipfile also refers to ZIP64_LIMIT during close() when it writes out the
+  # central directory.
+  saved_zip64_limit = zipfile.ZIP64_LIMIT
+  zipfile.ZIP64_LIMIT = (1 << 32) - 1
+
+  zip_file.close()
+
+  zipfile.ZIP64_LIMIT = saved_zip64_limit
 
 
 class DeviceSpecificParams(object):
@@ -805,7 +1245,8 @@ def __init__(self, **kwargs):
 
     if self.module is None:
       path = OPTIONS.device_specific
-      if not path: return
+      if not path:
+        return
       try:
         if os.path.isdir(path):
           info = imp.find_module("releasetools", [path])
@@ -845,6 +1286,11 @@ def FullOTA_InstallEnd(self):
     used to install the image for the device's baseband processor."""
     return self._DoCall("FullOTA_InstallEnd")
 
+  def FullOTA_PostValidate(self):
+    """Called after installing and validating /system; typically this is
+    used to resize the system partition after a block based installation."""
+    return self._DoCall("FullOTA_PostValidate")
+
   def IncrementalOTA_Assertions(self):
     """Called after emitting the block of assertions at the top of an
     incremental OTA package.  Implementations can add whatever
@@ -874,6 +1320,9 @@ def IncrementalOTA_InstallEnd(self):
     processor."""
     return self._DoCall("IncrementalOTA_InstallEnd")
 
+  def VerifyOTA_Assertions(self):
+    return self._DoCall("VerifyOTA_Assertions")
+
 class File(object):
   def __init__(self, name, data):
     self.name = name
@@ -895,7 +1344,7 @@ def WriteToTemp(self):
     return t
 
   def AddToZip(self, z, compression=None):
-    ZipWriteStr(z, self.name, self.data, compression=compression)
+    ZipWriteStr(z, self.name, self.data, compress_type=compression)
 
 DIFF_PROGRAM_BY_EXT = {
     ".gz" : "imgdiff",
@@ -943,10 +1392,11 @@ def ComputePatch(self):
       err = []
       def run():
         _, e = p.communicate()
-        if e: err.append(e)
+        if e:
+          err.append(e)
       th = threading.Thread(target=run)
       th.start()
-      th.join(timeout=300)   # 5 mins
+      th.join(timeout=600)   # 10 mins
       if th.is_alive():
         print "WARNING: diff command timed out"
         p.terminate()
@@ -957,7 +1407,7 @@ def run():
 
       if err or p.returncode != 0:
         print "WARNING: failure running %s:\n%s\n" % (
-            diff_program, "".join(err))
+            cmd, "".join(err))
         self.patch = None
         return None, None, None
       diff = ptemp.read()
@@ -1010,7 +1460,7 @@ def worker():
           print "%8.2f sec %8d / %8d bytes (%6.2f%%) %s" % (
               dur, len(patch), tf.size, 100.0 * len(patch) / tf.size, name)
       lock.release()
-    except Exception, e:
+    except Exception as e:
       print e
       raise
 
@@ -1023,27 +1473,43 @@ def worker():
     threads.pop().join()
 
 
-class BlockDifference:
-  def __init__(self, partition, tgt, src=None, check_first_block=False):
+class BlockDifference(object):
+  def __init__(self, partition, tgt, src=None, check_first_block=False,
+               version=None, disable_imgdiff=False):
     self.tgt = tgt
     self.src = src
     self.partition = partition
     self.check_first_block = check_first_block
+    self.disable_imgdiff = disable_imgdiff
 
-    version = 1
-    if OPTIONS.info_dict:
-      version = max(
-          int(i) for i in
-          OPTIONS.info_dict.get("blockimgdiff_versions", "1").split(","))
+    if version is None:
+      version = 1
+      if OPTIONS.info_dict:
+        version = max(
+            int(i) for i in
+            OPTIONS.info_dict.get("blockimgdiff_versions", "1").split(","))
+    self.version = version
 
     b = blockimgdiff.BlockImageDiff(tgt, src, threads=OPTIONS.worker_threads,
-                                    version=version)
+                                    version=self.version,
+                                    disable_imgdiff=self.disable_imgdiff)
     tmpdir = tempfile.mkdtemp()
     OPTIONS.tempfiles.append(tmpdir)
     self.path = os.path.join(tmpdir, partition)
     b.Compute(self.path)
+    self._required_cache = b.max_stashed_size
+    self.touched_src_ranges = b.touched_src_ranges
+    self.touched_src_sha1 = b.touched_src_sha1
+
+    if src is None:
+      _, self.device = GetTypeAndDevice("/" + partition, OPTIONS.info_dict)
+    else:
+      _, self.device = GetTypeAndDevice("/" + partition,
+                                        OPTIONS.source_info_dict)
 
-    _, self.device = GetTypeAndDevice("/" + partition, OPTIONS.info_dict)
+  @property
+  def required_cache(self):
+    return self._required_cache
 
   def WriteScript(self, script, output_zip, progress=None):
     if not self.src:
@@ -1052,70 +1518,219 @@ def WriteScript(self, script, output_zip, progress=None):
     else:
       script.Print("Patching %s image after verification." % (self.partition,))
 
-    if progress: script.ShowProgress(progress, 0)
+    if progress:
+      script.ShowProgress(progress, 0)
     self._WriteUpdate(script, output_zip)
+    if OPTIONS.verify:
+      self._WritePostInstallVerifyScript(script)
 
-  def WriteVerifyScript(self, script):
+  def WriteStrictVerifyScript(self, script):
+    """Verify all the blocks in the care_map, including clobbered blocks.
+
+    This differs from the WriteVerifyScript() function: a) it prints different
+    error messages; b) it doesn't allow half-way updated images to pass the
+    verification."""
+
+    partition = self.partition
+    script.Print("Verifying %s..." % (partition,))
+    ranges = self.tgt.care_map
+    ranges_str = ranges.to_string_raw()
+    script.AppendExtra('range_sha1("%s", "%s") == "%s" && '
+                       'ui_print("    Verified.") || '
+                       'ui_print("\\"%s\\" has unexpected contents.");' % (
+                       self.device, ranges_str,
+                       self.tgt.TotalSha1(include_clobbered_blocks=True),
+                       self.device))
+    script.AppendExtra("")
+
+  def WriteVerifyScript(self, script, touched_blocks_only=False):
+    partition = self.partition
+
+    # full OTA
     if not self.src:
-      script.Print("Image %s will be patched unconditionally." % (self.partition,))
+      script.Print("Image %s will be patched unconditionally." % (partition,))
+
+    # incremental OTA
+    else:
+      if touched_blocks_only and self.version >= 3:
+        ranges = self.touched_src_ranges
+        expected_sha1 = self.touched_src_sha1
+      else:
+        ranges = self.src.care_map.subtract(self.src.clobbered_blocks)
+        expected_sha1 = self.src.TotalSha1()
+
+      # No blocks to be checked, skipping.
+      if not ranges:
+        return
+
+      ranges_str = ranges.to_string_raw()
+      if self.version >= 4:
+        script.AppendExtra(('if (range_sha1("%s", "%s") == "%s" || '
+                            'block_image_verify("%s", '
+                            'package_extract_file("%s.transfer.list"), '
+                            '"%s.new.dat", "%s.patch.dat")) then') % (
+                            self.device, ranges_str, expected_sha1,
+                            self.device, partition, partition, partition))
+      elif self.version == 3:
+        script.AppendExtra(('if (range_sha1("%s", "%s") == "%s" || '
+                            'block_image_verify("%s", '
+                            'package_extract_file("%s.transfer.list"), '
+                            '"%s.new.dat", "%s.patch.dat")) then') % (
+                            self.device, ranges_str, expected_sha1,
+                            self.device, partition, partition, partition))
+      else:
+        script.AppendExtra('if range_sha1("%s", "%s") == "%s" then' % (
+                           self.device, ranges_str, self.src.TotalSha1()))
+      script.Print('Verified %s image...' % (partition,))
+      script.AppendExtra('else')
+
+      if self.version >= 4:
+
+        # Bug: 21124327
+        # When generating incrementals for the system and vendor partitions in
+        # version 4 or newer, explicitly check the first block (which contains
+        # the superblock) of the partition to see if it's what we expect. If
+        # this check fails, give an explicit log message about the partition
+        # having been remounted R/W (the most likely explanation).
+        if self.check_first_block:
+          script.AppendExtra('check_first_block("%s");' % (self.device,))
+
+        # If version >= 4, try block recovery before abort update
+        if partition == "system":
+          code = ErrorCode.SYSTEM_RECOVER_FAILURE
+        else:
+          code = ErrorCode.VENDOR_RECOVER_FAILURE
+        script.AppendExtra((
+            'ifelse (block_image_recover("{device}", "{ranges}") && '
+            'block_image_verify("{device}", '
+            'package_extract_file("{partition}.transfer.list"), '
+            '"{partition}.new.dat", "{partition}.patch.dat"), '
+            'ui_print("{partition} recovered successfully."), '
+            'abort("E{code}: {partition} partition fails to recover"));\n'
+            'endif;').format(device=self.device, ranges=ranges_str,
+                             partition=partition, code=code))
+
+      # Abort the OTA update. Note that the incremental OTA cannot be applied
+      # even if it may match the checksum of the target partition.
+      # a) If version < 3, operations like move and erase will make changes
+      #    unconditionally and damage the partition.
+      # b) If version >= 3, it won't even reach here.
+      else:
+        if partition == "system":
+          code = ErrorCode.SYSTEM_VERIFICATION_FAILURE
+        else:
+          code = ErrorCode.VENDOR_VERIFICATION_FAILURE
+        script.AppendExtra((
+            'abort("E%d: %s partition has unexpected contents");\n'
+            'endif;') % (code, partition))
+
+  def _WritePostInstallVerifyScript(self, script):
+    partition = self.partition
+    script.Print('Verifying the updated %s image...' % (partition,))
+    # Unlike pre-install verification, clobbered_blocks should not be ignored.
+    ranges = self.tgt.care_map
+    ranges_str = ranges.to_string_raw()
+    script.AppendExtra('if range_sha1("%s", "%s") == "%s" then' % (
+                       self.device, ranges_str,
+                       self.tgt.TotalSha1(include_clobbered_blocks=True)))
+
+    # Bug: 20881595
+    # Verify that extended blocks are really zeroed out.
+    if self.tgt.extended:
+      ranges_str = self.tgt.extended.to_string_raw()
+      script.AppendExtra('if range_sha1("%s", "%s") == "%s" then' % (
+                         self.device, ranges_str,
+                         self._HashZeroBlocks(self.tgt.extended.size())))
+      script.Print('Verified the updated %s image.' % (partition,))
+      if partition == "system":
+        code = ErrorCode.SYSTEM_NONZERO_CONTENTS
+      else:
+        code = ErrorCode.VENDOR_NONZERO_CONTENTS
+      script.AppendExtra(
+          'else\n'
+          '  abort("E%d: %s partition has unexpected non-zero contents after '
+          'OTA update");\n'
+          'endif;' % (code, partition))
+    else:
+      script.Print('Verified the updated %s image.' % (partition,))
+
+    if partition == "system":
+      code = ErrorCode.SYSTEM_UNEXPECTED_CONTENTS
     else:
-      if self.check_first_block:
-        self._CheckFirstBlock(script)
-
-      script.AppendExtra('if range_sha1("%s", "%s") == "%s" then' %
-                         (self.device, self.src.care_map.to_string_raw(),
-                          self.src.TotalSha1()))
-      script.Print("Verified %s image..." % (self.partition,))
-      script.AppendExtra(('else\n'
-                          '  (range_sha1("%s", "%s") == "%s") ||\n'
-                          '  abort("%s partition has unexpected contents");\n'
-                          'endif;') %
-                         (self.device, self.tgt.care_map.to_string_raw(),
-                          self.tgt.TotalSha1(), self.partition))
+      code = ErrorCode.VENDOR_UNEXPECTED_CONTENTS
+
+    script.AppendExtra(
+        'else\n'
+        '  abort("E%d: %s partition has unexpected contents after OTA '
+        'update");\n'
+        'endif;' % (code, partition))
 
   def _WriteUpdate(self, script, output_zip):
-    partition = self.partition
-    with open(self.path + ".transfer.list", "rb") as f:
-      ZipWriteStr(output_zip, partition + ".transfer.list", f.read())
-    with open(self.path + ".new.dat", "rb") as f:
-      ZipWriteStr(output_zip, partition + ".new.dat", f.read())
-    with open(self.path + ".patch.dat", "rb") as f:
-      ZipWriteStr(output_zip, partition + ".patch.dat", f.read(),
-                         compression=zipfile.ZIP_STORED)
-
-    call = (('block_image_update("%s", '
-             'package_extract_file("%s.transfer.list"), '
-             '"%s.new.dat", "%s.patch.dat");\n') %
-            (self.device, partition, partition, partition))
-    script.AppendExtra(script._WordWrap(call))
-
-  def _CheckFirstBlock(self, script):
-    r = RangeSet((0, 1))
-    h = sha1()
-    for data in self.src.ReadRangeSet(r):
-      h.update(data)
-    h = h.hexdigest()
-
-    script.AppendExtra(('(range_sha1("%s", "%s") == "%s") || '
-                        'abort("%s has been remounted R/W; '
-                        'reflash device to reenable OTA updates");')
-                       % (self.device, r.to_string_raw(), h, self.device))
+    ZipWrite(output_zip,
+             '{}.transfer.list'.format(self.path),
+             '{}.transfer.list'.format(self.partition))
+    ZipWrite(output_zip,
+             '{}.new.dat'.format(self.path),
+             '{}.new.dat'.format(self.partition))
+    ZipWrite(output_zip,
+             '{}.patch.dat'.format(self.path),
+             '{}.patch.dat'.format(self.partition),
+             compress_type=zipfile.ZIP_STORED)
+
+    if self.partition == "system":
+      code = ErrorCode.SYSTEM_UPDATE_FAILURE
+    else:
+      code = ErrorCode.VENDOR_UPDATE_FAILURE
 
+    call = ('block_image_update("{device}", '
+            'package_extract_file("{partition}.transfer.list"), '
+            '"{partition}.new.dat", "{partition}.patch.dat") ||\n'
+            '  abort("E{code}: Failed to update {partition} image.");'.format(
+                device=self.device, partition=self.partition, code=code))
+    script.AppendExtra(script.WordWrap(call))
 
-DataImage = blockimgdiff.DataImage
+  def _HashBlocks(self, source, ranges): # pylint: disable=no-self-use
+    data = source.ReadRangeSet(ranges)
+    ctx = sha1()
+
+    for p in data:
+      ctx.update(p)
+
+    return ctx.hexdigest()
+
+  def _HashZeroBlocks(self, num_blocks): # pylint: disable=no-self-use
+    """Return the hash value for all zero blocks."""
+    zero_block = '\x00' * 4096
+    ctx = sha1()
+    for _ in range(num_blocks):
+      ctx.update(zero_block)
 
+    return ctx.hexdigest()
+
+
+DataImage = blockimgdiff.DataImage
 
 # map recovery.fstab's fs_types to mount/format "partition types"
-PARTITION_TYPES = { "yaffs2": "MTD", "mtd": "MTD",
-                    "ext4": "EMMC", "emmc": "EMMC",
-                    "f2fs": "EMMC" }
+PARTITION_TYPES = {
+    "yaffs2": "MTD",
+    "mtd": "MTD",
+    "ext4": "EMMC",
+    "emmc": "EMMC",
+    "f2fs": "EMMC",
+    "squashfs": "EMMC",
+    "ext2": "EMMC",
+    "ext3": "EMMC",
+    "vfat": "EMMC",
+    "osip": "OSIP"
+}
 
 def GetTypeAndDevice(mount_point, info):
   fstab = info["fstab"]
   if fstab:
-    return PARTITION_TYPES[fstab[mount_point].fs_type], fstab[mount_point].device
+    return (PARTITION_TYPES[fstab[mount_point].fs_type],
+            fstab[mount_point].device)
   else:
-    return None
+    raise KeyError
 
 
 def ParseCertificate(data):
@@ -1149,58 +1764,95 @@ def MakeRecoveryPatch(input_dir, output_sink, recovery_img, boot_img,
   if info_dict is None:
     info_dict = OPTIONS.info_dict
 
-  diff_program = ["imgdiff"]
-  path = os.path.join(input_dir, "SYSTEM", "etc", "recovery-resource.dat")
-  if os.path.exists(path):
-    diff_program.append("-b")
-    diff_program.append(path)
-    bonus_args = "-b /system/etc/recovery-resource.dat"
+  full_recovery_image = info_dict.get("full_recovery_image", None) == "true"
+  system_root_image = info_dict.get("system_root_image", None) == "true"
+  use_bsdiff = info_dict.get("no_gzip_recovery_ramdisk", None) == "true"
+
+  if full_recovery_image:
+    output_sink("etc/recovery.img", recovery_img.data)
+
   else:
-    bonus_args = ""
+    if use_bsdiff:
+      diff_program = ["bsdiff"]
+    else:
+      diff_program = ["imgdiff"]
+    path = os.path.join(input_dir, "SYSTEM", "etc", "recovery-resource.dat")
+    if os.path.exists(path) and not use_bsdiff:
+      diff_program.append("-b")
+      diff_program.append(path)
+      bonus_args = "-b /system/etc/recovery-resource.dat"
+    else:
+      bonus_args = ""
 
-  d = Difference(recovery_img, boot_img, diff_program=diff_program)
-  _, _, patch = d.ComputePatch()
-  output_sink("recovery-from-boot.p", patch)
+    d = Difference(recovery_img, boot_img, diff_program=diff_program)
+    _, _, patch = d.ComputePatch()
+    output_sink("recovery-from-boot.p", patch)
 
-  td_pair = GetTypeAndDevice("/boot", info_dict)
-  if not td_pair:
-    return
-  boot_type, boot_device = td_pair
-  td_pair = GetTypeAndDevice("/recovery", info_dict)
-  if not td_pair:
+  try:
+    # The following GetTypeAndDevice()s need to use the path in the target
+    # info_dict instead of source_info_dict.
+    boot_type, boot_device = GetTypeAndDevice("/boot", info_dict)
+    recovery_type, recovery_device = GetTypeAndDevice("/recovery", info_dict)
+  except KeyError:
     return
-  recovery_type, recovery_device = td_pair
 
-  sh = """#!/system/bin/sh
+  if full_recovery_image:
+    sh = """#!/system/bin/sh
+if ! applypatch -c %(type)s:%(device)s:%(size)d:%(sha1)s; then
+  applypatch /system/etc/recovery.img %(type)s:%(device)s %(sha1)s %(size)d && log -t recovery "Installing new recovery image: succeeded" || log -t recovery "Installing new recovery image: failed"
+else
+  log -t recovery "Recovery image already installed"
+fi
+""" % {'type': recovery_type,
+       'device': recovery_device,
+       'sha1': recovery_img.sha1,
+       'size': recovery_img.size}
+  else:
+    sh = """#!/system/bin/sh
+if [ -f /system/etc/recovery-transform.sh ]; then
+  exec sh /system/etc/recovery-transform.sh %(recovery_size)d %(recovery_sha1)s %(boot_size)d %(boot_sha1)s
+fi
 if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(recovery_size)d:%(recovery_sha1)s; then
   applypatch %(bonus_args)s %(boot_type)s:%(boot_device)s:%(boot_size)d:%(boot_sha1)s %(recovery_type)s:%(recovery_device)s %(recovery_sha1)s %(recovery_size)d %(boot_sha1)s:/system/recovery-from-boot.p && log -t recovery "Installing new recovery image: succeeded" || log -t recovery "Installing new recovery image: failed"
 else
   log -t recovery "Recovery image already installed"
 fi
-""" % { 'boot_size': boot_img.size,
-        'boot_sha1': boot_img.sha1,
-        'recovery_size': recovery_img.size,
-        'recovery_sha1': recovery_img.sha1,
-        'boot_type': boot_type,
-        'boot_device': boot_device,
-        'recovery_type': recovery_type,
-        'recovery_device': recovery_device,
-        'bonus_args': bonus_args,
-        }
+""" % {'boot_size': boot_img.size,
+       'boot_sha1': boot_img.sha1,
+       'recovery_size': recovery_img.size,
+       'recovery_sha1': recovery_img.sha1,
+       'boot_type': boot_type,
+       'boot_device': boot_device,
+       'recovery_type': recovery_type,
+       'recovery_device': recovery_device,
+       'bonus_args': bonus_args}
 
   # The install script location moved from /system/etc to /system/bin
-  # in the L release.  Parse the init.rc file to find out where the
+  # in the L release.  Parse init.*.rc files to find out where the
   # target-files expects it to be, and put it there.
   sh_location = "etc/install-recovery.sh"
-  try:
-    with open(os.path.join(input_dir, "BOOT", "RAMDISK", "init.rc")) as f:
+  found = False
+  if system_root_image:
+    init_rc_dir = os.path.join(input_dir, "ROOT")
+  else:
+    init_rc_dir = os.path.join(input_dir, "BOOT", "RAMDISK")
+  init_rc_files = os.listdir(init_rc_dir)
+  for init_rc_file in init_rc_files:
+    if (not init_rc_file.startswith('init.') or
+        not init_rc_file.endswith('.rc')):
+      continue
+
+    with open(os.path.join(init_rc_dir, init_rc_file)) as f:
       for line in f:
-        m = re.match("^service flash_recovery /system/(\S+)\s*$", line)
+        m = re.match(r"^service flash_recovery /system/(\S+)\s*$", line)
         if m:
           sh_location = m.group(1)
-          print "putting script in", sh_location
+          found = True
           break
-  except (OSError, IOError), e:
-    print "failed to read init.rc: %s" % (e,)
+
+    if found:
+      break
+
+  print "putting script in", sh_location
 
   output_sink(sh_location, sh)
diff --git a/tools/releasetools/edify_generator.py b/tools/releasetools/edify_generator.py
index e52c26415..8c26e6089 100644
--- a/tools/releasetools/edify_generator.py
+++ b/tools/releasetools/edify_generator.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import re
 
 import common
@@ -21,11 +20,16 @@ class EdifyGenerator(object):
   """Class to generate scripts in the 'edify' recovery script language
   used from donut onwards."""
 
-  def __init__(self, version, info):
+  def __init__(self, version, info, fstab=None):
     self.script = []
     self.mounts = set()
+    self._required_cache = 0
     self.version = version
     self.info = info
+    if fstab is None:
+      self.fstab = self.info.get("fstab", None)
+    else:
+      self.fstab = fstab
 
   def MakeTemporary(self):
     """Make a temporary script object whose commands can latter be
@@ -35,8 +39,13 @@ def MakeTemporary(self):
     x.mounts = self.mounts
     return x
 
+  @property
+  def required_cache(self):
+    """Return the minimum cache size to apply the update."""
+    return self._required_cache
+
   @staticmethod
-  def _WordWrap(cmd, linelen=80):
+  def WordWrap(cmd, linelen=80):
     """'cmd' should be a function call with null characters after each
     parameter (eg, "somefun(foo,\0bar,\0baz)").  This function wraps cmd
     to a given line length, replacing nulls with spaces and/or newlines
@@ -74,35 +83,42 @@ def AssertOemProperty(self, name, value):
       raise ValueError("must specify an OEM property")
     if not value:
       raise ValueError("must specify the OEM value")
-    cmd = ('file_getprop("/oem/oem.prop", "%s") == "%s" || '
-           'abort("This package expects the value \\"%s\\"  for '
-           '\\"%s\\" on the OEM partition; '
-           'this has value \\"" + file_getprop("/oem/oem.prop") + "\\".");'
-           ) % (name, value, name, value)
+    if common.OPTIONS.oem_no_mount:
+      cmd = ('getprop("{name}") == "{value}" || '
+             'abort("E{code}: This package expects the value \\"{value}\\" for '
+             '\\"{name}\\"; this has value \\"" + '
+             'getprop("{name}") + "\\".");').format(
+                 code=common.ErrorCode.OEM_PROP_MISMATCH,
+                 name=name, value=value)
+    else:
+      cmd = ('file_getprop("/oem/oem.prop", "{name}") == "{value}" || '
+             'abort("E{code}: This package expects the value \\"{value}\\" for '
+             '\\"{name}\\" on the OEM partition; this has value \\"" + '
+             'file_getprop("/oem/oem.prop", "{name}") + "\\".");').format(
+                 code=common.ErrorCode.OEM_PROP_MISMATCH,
+                 name=name, value=value)
     self.script.append(cmd)
 
   def AssertSomeFingerprint(self, *fp):
     """Assert that the current recovery build fingerprint is one of *fp."""
     if not fp:
       raise ValueError("must specify some fingerprints")
-    cmd = (
-           ' ||\n    '.join([('getprop("ro.build.fingerprint") == "%s"')
-                        % i for i in fp]) +
-           ' ||\n    abort("Package expects build fingerprint of %s; this '
-           'device has " + getprop("ro.build.fingerprint") + ".");'
-           ) % (" or ".join(fp),)
+    cmd = (' ||\n    '.join([('getprop("ro.build.fingerprint") == "%s"') % i
+                             for i in fp]) +
+           ' ||\n    abort("E%d: Package expects build fingerprint of %s; '
+           'this device has " + getprop("ro.build.fingerprint") + ".");') % (
+               common.ErrorCode.FINGERPRINT_MISMATCH, " or ".join(fp))
     self.script.append(cmd)
 
   def AssertSomeThumbprint(self, *fp):
     """Assert that the current recovery build thumbprint is one of *fp."""
     if not fp:
       raise ValueError("must specify some thumbprints")
-    cmd = (
-           ' ||\n    '.join([('getprop("ro.build.thumbprint") == "%s"')
-                        % i for i in fp]) +
-           ' ||\n    abort("Package expects build thumbprint of %s; this '
-           'device has " + getprop("ro.build.thumbprint") + ".");'
-           ) % (" or ".join(fp),)
+    cmd = (' ||\n    '.join([('getprop("ro.build.thumbprint") == "%s"') % i
+                             for i in fp]) +
+           ' ||\n    abort("E%d: Package expects build thumbprint of %s; this '
+           'device has " + getprop("ro.build.thumbprint") + ".");') % (
+               common.ErrorCode.THUMBPRINT_MISMATCH, " or ".join(fp))
     self.script.append(cmd)
 
   def AssertOlderBuild(self, timestamp, timestamp_text):
@@ -110,25 +126,49 @@ def AssertOlderBuild(self, timestamp, timestamp_text):
     the given timestamp."""
     self.script.append(
         ('(!less_than_int(%s, getprop("ro.build.date.utc"))) || '
-         'abort("Can\'t install this package (%s) over newer '
-         'build (" + getprop("ro.build.date") + ").");'
-         ) % (timestamp, timestamp_text))
+         'abort("E%d: Can\'t install this package (%s) over newer '
+         'build (" + getprop("ro.build.date") + ").");') % (timestamp,
+             common.ErrorCode.OLDER_BUILD, timestamp_text))
 
   def AssertDevice(self, device):
     """Assert that the device identifier is the given string."""
-    cmd = ('getprop("ro.product.device") == "%s" || '
-           'abort("This package is for \\"%s\\" devices; '
-           'this is a \\"" + getprop("ro.product.device") + "\\".");'
-           ) % (device, device)
+    cmd = ('assert(' +
+           ' || '.join(['getprop("ro.product.device") == "%s" || getprop("ro.build.product") == "%s"'
+                         % (i, i) for i in device.split(",")]) +
+           ' || abort("E%d: This package is for device: %s; ' +
+           'this device is " + getprop("ro.product.device") + ".");' +
+           ');') % (common.ErrorCode.DEVICE_MISMATCH, device)
     self.script.append(cmd)
 
   def AssertSomeBootloader(self, *bootloaders):
-    """Asert that the bootloader version is one of *bootloaders."""
+    """Assert that the bootloader version is one of *bootloaders."""
     cmd = ("assert(" +
-           " ||\0".join(['getprop("ro.bootloader") == "%s"' % (b,)
+           " || ".join(['getprop("ro.bootloader") == "%s"' % (b,)
                          for b in bootloaders]) +
+           ' || abort("This package supports bootloader(s): ' +
+           ", ".join(["%s" % (b,) for b in bootloaders]) +
+           '; this device has bootloader " + getprop("ro.bootloader") + ".");' +
            ");")
-    self.script.append(self._WordWrap(cmd))
+    self.script.append(self.WordWrap(cmd))
+
+  def AssertSomeBaseband(self, *basebands):
+    """Assert that the baseband version is one of *basebands."""
+    cmd = ("assert(" +
+           " || ".join(['getprop("ro.baseband") == "%s"' % (b,)
+                         for b in basebands]) +
+           ' || abort("This package supports baseband(s): ' +
+           ", ".join(["%s" % (b,) for b in basebands]) +
+           '; this device has baseband " + getprop("ro.baseband") + ".");' +
+           ");")
+    self.script.append(self.WordWrap(cmd))
+
+  def RunBackup(self, command):
+    self.script.append(('run_program("/tmp/install/bin/backuptool.sh", "%s");' % command))
+
+  def ValidateSignatures(self, command):
+    self.script.append('package_extract_file("META-INF/org/lineageos/releasekey", "/tmp/releasekey");')
+    # Exit code 124 == abort. run_program returns raw, so left-shift 8bit
+    self.script.append('run_program("/tmp/install/bin/otasigcheck.sh") != "31744" || abort("Can\'t install this package on top of incompatible data. Please try another package or run a factory reset");')
 
   def ShowProgress(self, frac, dur):
     """Update the progress bar, advancing it over 'frac' over the next
@@ -149,7 +189,17 @@ def PatchCheck(self, filename, *sha1):
     self.script.append(
         'apply_patch_check("%s"' % (filename,) +
         "".join([', "%s"' % (i,) for i in sha1]) +
-        ') || abort("\\"%s\\" has unexpected contents.");' % (filename,))
+        ') || abort("E%d: \\"%s\\" has unexpected contents.");' % (
+            common.ErrorCode.BAD_PATCH_FILE, filename))
+
+  def Verify(self, filename):
+    """Check that the given file (or MTD reference) has one of the
+    given hashes (encoded in the filename)."""
+    self.script.append(
+        'apply_patch_check("{filename}") && '
+        'ui_print("    Verified.") || '
+        'ui_print("\\"{filename}\\" has unexpected contents.");'.format(
+            filename=filename))
 
   def FileCheck(self, filename, *sha1):
     """Check that the given file (or MTD reference) has one of the
@@ -161,8 +211,11 @@ def FileCheck(self, filename, *sha1):
   def CacheFreeSpaceCheck(self, amount):
     """Check that there's at least 'amount' space that can be made
     available on /cache."""
-    self.script.append(('apply_patch_space(%d) || abort("Not enough free space '
-                        'on /system to apply patches.");') % (amount,))
+    self._required_cache = max(self._required_cache, amount)
+    self.script.append(('apply_patch_space(%d) || abort("E%d: Not enough free '
+                        'space on /cache to apply patches.");') % (
+                            amount,
+                            common.ErrorCode.INSUFFICIENT_CACHE_SPACE))
 
   def Mount(self, mount_point, mount_options_by_format=""):
     """Mount the partition with the given mount_point.
@@ -171,7 +224,7 @@ def Mount(self, mount_point, mount_options_by_format=""):
       where option is optname[=optvalue]
       E.g. ext4=barrier=1,nodelalloc,errors=panic|f2fs=errors=recover
     """
-    fstab = self.info.get("fstab", None)
+    fstab = self.fstab
     if fstab:
       p = fstab[mount_point]
       mount_dict = {}
@@ -180,11 +233,20 @@ def Mount(self, mount_point, mount_options_by_format=""):
           if "=" in option:
             key, value = option.split("=", 1)
             mount_dict[key] = value
-      self.script.append('mount("%s", "%s", "%s", "%s", "%s");' %
-                         (p.fs_type, common.PARTITION_TYPES[p.fs_type],
-                          p.device, p.mount_point, mount_dict.get(p.fs_type, "")))
+      mount_flags = mount_dict.get(p.fs_type, "")
+      if p.context is not None:
+        mount_flags = p.context + ("," + mount_flags if mount_flags else "")
+      self.script.append('mount("%s", "%s", "%s", "%s", "%s");' % (
+          p.fs_type, common.PARTITION_TYPES[p.fs_type], p.device,
+          p.mount_point, mount_flags))
       self.mounts.add(p.mount_point)
 
+  def Unmount(self, mount_point):
+    """Unmount the partition with the given mount_point."""
+    if mount_point in self.mounts:
+      self.mounts.remove(mount_point)
+      self.script.append('unmount("%s");' % (mount_point,))
+
   def UnpackPackageDir(self, src, dst):
     """Unpack a given directory from the OTA package into the given
     destination directory."""
@@ -202,22 +264,21 @@ def Print(self, message):
     self.script.append('ui_print("%s");' % (message,))
 
   def TunePartition(self, partition, *options):
-    fstab = self.info.get("fstab", None)
+    fstab = self.fstab
     if fstab:
       p = fstab[partition]
-      if (p.fs_type not in ( "ext2", "ext3", "ext4")):
+      if p.fs_type not in ("ext2", "ext3", "ext4"):
         raise ValueError("Partition %s cannot be tuned\n" % (partition,))
-    self.script.append('tune2fs(' +
-                       "".join(['"%s", ' % (i,) for i in options]) +
-                       '"%s") || abort("Failed to tune partition %s");'
-                       % ( p.device,partition));
+    self.script.append(
+        'tune2fs(' + "".join(['"%s", ' % (i,) for i in options]) +
+        '"%s") || abort("E%d: Failed to tune partition %s");' % (
+            p.device, common.ErrorCode.TUNE_PARTITION_FAILURE, partition))
 
   def FormatPartition(self, partition):
     """Format the given partition, specified by its mount point (eg,
     "/system")."""
 
-    reserve_size = 0
-    fstab = self.info.get("fstab", None)
+    fstab = self.fstab
     if fstab:
       p = fstab[partition]
       self.script.append('format("%s", "%s", "%s", "%s", "%s");' %
@@ -227,7 +288,7 @@ def FormatPartition(self, partition):
   def WipeBlockDevice(self, partition):
     if partition not in ("/system", "/vendor"):
       raise ValueError(("WipeBlockDevice doesn't work on %s\n") % (partition,))
-    fstab = self.info.get("fstab", None)
+    fstab = self.fstab
     size = self.info.get(partition.lstrip("/") + "_size", None)
     device = fstab[partition].device
 
@@ -235,9 +296,19 @@ def WipeBlockDevice(self, partition):
 
   def DeleteFiles(self, file_list):
     """Delete all files in file_list."""
-    if not file_list: return
+    if not file_list:
+      return
     cmd = "delete(" + ",\0".join(['"%s"' % (i,) for i in file_list]) + ");"
-    self.script.append(self._WordWrap(cmd))
+    self.script.append(self.WordWrap(cmd))
+
+  def DeleteFilesIfNotMatching(self, file_list):
+    """Delete the file in file_list if not matching the checksum."""
+    if not file_list:
+      return
+    for name, sha1 in file_list:
+      cmd = ('sha1_check(read_file("{name}"), "{sha1}") || '
+             'delete("{name}");'.format(name=name, sha1=sha1))
+      self.script.append(self.WordWrap(cmd))
 
   def RenameFile(self, srcfile, tgtfile):
     """Moves a file from one location to another."""
@@ -250,8 +321,8 @@ def SkipNextActionIfTargetExists(self, tgtfile, tgtsha1):
     """Prepend an action with an apply_patch_check in order to
        skip the action if the file exists.  Used when a patch
        is later renamed."""
-    cmd = ('sha1_check(read_file("%s"), %s) || ' % (tgtfile, tgtsha1))
-    self.script.append(self._WordWrap(cmd))
+    cmd = ('sha1_check(read_file("%s"), %s) ||' % (tgtfile, tgtsha1))
+    self.script.append(self.WordWrap(cmd))
 
   def ApplyPatch(self, srcfile, tgtfile, tgtsize, tgtsha1, *patchpairs):
     """Apply binary patches (in *patchpairs) to the given srcfile to
@@ -262,16 +333,17 @@ def ApplyPatch(self, srcfile, tgtfile, tgtsize, tgtsha1, *patchpairs):
     cmd = ['apply_patch("%s",\0"%s",\0%s,\0%d'
            % (srcfile, tgtfile, tgtsha1, tgtsize)]
     for i in range(0, len(patchpairs), 2):
-      cmd.append(',\0%s, package_extract_file("%s")' % patchpairs[i:i+2])
-    cmd.append(');')
+      cmd.append(',\0%s,\0package_extract_file("%s")' % patchpairs[i:i+2])
+    cmd.append(') ||\n    abort("E%d: Failed to apply patch to %s");' % (
+        common.ErrorCode.APPLY_PATCH_FAILURE, srcfile))
     cmd = "".join(cmd)
-    self.script.append(self._WordWrap(cmd))
+    self.script.append(self.WordWrap(cmd))
 
   def WriteRawImage(self, mount_point, fn, mapfn=None):
     """Write the given package file into the partition for the given
     mount point."""
 
-    fstab = self.info["fstab"]
+    fstab = self.fstab
     if fstab:
       p = fstab[mount_point]
       partition_type = common.PARTITION_TYPES[p.fs_type]
@@ -280,6 +352,10 @@ def WriteRawImage(self, mount_point, fn, mapfn=None):
         self.script.append(
             'write_raw_image(package_extract_file("%(fn)s"), "%(device)s");'
             % args)
+      elif partition_type == "OSIP":
+        self.script.append(
+            'write_osip_image(package_extract_file("%(fn)s"), "%(device)s");'
+            % args)
       elif partition_type == "EMMC":
         if mapfn:
           args["map"] = mapfn
@@ -289,33 +365,37 @@ def WriteRawImage(self, mount_point, fn, mapfn=None):
           self.script.append(
               'package_extract_file("%(fn)s", "%(device)s");' % args)
       else:
-        raise ValueError("don't know how to write \"%s\" partitions" % (p.fs_type,))
+        raise ValueError(
+            "don't know how to write \"%s\" partitions" % p.fs_type)
 
   def SetPermissions(self, fn, uid, gid, mode, selabel, capabilities):
     """Set file ownership and permissions."""
     if not self.info.get("use_set_metadata", False):
       self.script.append('set_perm(%d, %d, 0%o, "%s");' % (uid, gid, mode, fn))
     else:
-      if capabilities is None: capabilities = "0x0"
-      cmd = 'set_metadata("%s", "uid", %d, "gid", %d, "mode", 0%o, ' \
-          '"capabilities", %s' % (fn, uid, gid, mode, capabilities)
+      cmd = 'set_metadata("%s", "uid", %d, "gid", %d, "mode", 0%o' \
+          % (fn, uid, gid, mode)
+      if capabilities is not None:
+        cmd += ', "capabilities", %s' % ( capabilities )
       if selabel is not None:
-        cmd += ', "selabel", "%s"' % ( selabel )
+        cmd += ', "selabel", "%s"' % selabel
       cmd += ');'
       self.script.append(cmd)
 
-  def SetPermissionsRecursive(self, fn, uid, gid, dmode, fmode, selabel, capabilities):
+  def SetPermissionsRecursive(self, fn, uid, gid, dmode, fmode, selabel,
+                              capabilities):
     """Recursively set path ownership and permissions."""
     if not self.info.get("use_set_metadata", False):
       self.script.append('set_perm_recursive(%d, %d, 0%o, 0%o, "%s");'
                          % (uid, gid, dmode, fmode, fn))
     else:
-      if capabilities is None: capabilities = "0x0"
       cmd = 'set_metadata_recursive("%s", "uid", %d, "gid", %d, ' \
-          '"dmode", 0%o, "fmode", 0%o, "capabilities", %s' \
-          % (fn, uid, gid, dmode, fmode, capabilities)
+          '"dmode", 0%o, "fmode", 0%o' \
+          % (fn, uid, gid, dmode, fmode)
+      if capabilities is not None:
+        cmd += ', "capabilities", "%s"' % ( capabilities )
       if selabel is not None:
-        cmd += ', "selabel", "%s"' % ( selabel )
+        cmd += ', "selabel", "%s"' % selabel
       cmd += ');'
       self.script.append(cmd)
 
@@ -328,15 +408,15 @@ def MakeSymlinks(self, symlink_list):
     for dest, links in sorted(by_dest.iteritems()):
       cmd = ('symlink("%s", ' % (dest,) +
              ",\0".join(['"' + i + '"' for i in sorted(links)]) + ");")
-      self.script.append(self._WordWrap(cmd))
+      self.script.append(self.WordWrap(cmd))
 
   def AppendExtra(self, extra):
     """Append text verbatim to the output script."""
     self.script.append(extra)
 
   def Unmount(self, mount_point):
-    self.script.append('unmount("%s");' % (mount_point,))
-    self.mounts.remove(mount_point);
+    self.script.append('unmount("%s");' % mount_point)
+    self.mounts.remove(mount_point)
 
   def UnmountAll(self):
     for p in sorted(self.mounts):
@@ -359,4 +439,4 @@ def AddToZip(self, input_zip, output_zip, input_path=None):
     else:
       data = open(input_path, "rb").read()
     common.ZipWriteStr(output_zip, "META-INF/com/google/android/update-binary",
-                       data, perms=0755)
+                       data, perms=0o755)
diff --git a/tools/releasetools/img_from_target_files.py b/tools/releasetools/img_from_target_files.py
index 4b88e73b0..4b1b92561 100755
--- a/tools/releasetools/img_from_target_files.py
+++ b/tools/releasetools/img_from_target_files.py
@@ -40,10 +40,6 @@
 import tempfile
 import zipfile
 
-# missing in Python 2.4 and before
-if not hasattr(os, "SEEK_SET"):
-  os.SEEK_SET = 0
-
 import common
 
 OPTIONS = common.OPTIONS
@@ -51,14 +47,40 @@
 
 def CopyInfo(output_zip):
   """Copy the android-info.txt file from the input to the output."""
-  output_zip.write(os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
-                   "android-info.txt")
-
+  common.ZipWrite(
+      output_zip, os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
+      "android-info.txt")
+
+def AddRadio(output_zip):
+  """If they exist, add RADIO files to the output."""
+  if os.path.isdir(os.path.join(OPTIONS.input_tmp, "RADIO")):
+    for radio_root, radio_dirs, radio_files in os.walk(os.path.join(OPTIONS.input_tmp, "RADIO")):
+      for radio_file in radio_files:
+        output_zip.write(os.path.join(radio_root, radio_file), radio_file)
+
+    # If a filesmap file exists, create a script to flash the radio images based on it
+    filesmap = os.path.join(OPTIONS.input_tmp, "RADIO/filesmap")
+    if os.path.isfile(filesmap):
+      print "creating flash-radio.sh..."
+      filesmap_data = open(filesmap, "r")
+      filesmap_regex = re.compile(r'^(\S+)\s\S+\/by-name\/(\S+).*')
+      tmp_flash_radio = tempfile.NamedTemporaryFile()
+      tmp_flash_radio.write("#!/bin/sh\n\n")
+      for filesmap_line in filesmap_data:
+        filesmap_entry = filesmap_regex.search(filesmap_line)
+        if filesmap_entry:
+          tmp_flash_radio.write("fastboot flash %s %s\n" % (filesmap_entry.group(2), filesmap_entry.group(1)))
+      tmp_flash_radio.flush()
+      if os.path.getsize(tmp_flash_radio.name) > 0:
+        output_zip.write(tmp_flash_radio.name, "flash-radio.sh")
+      else:
+        print "flash-radio.sh is empty, skipping..."
+      tmp_flash_radio.close()
 
 def main(argv):
   bootable_only = [False]
 
-  def option_handler(o, a):
+  def option_handler(o, _):
     if o in ("-z", "--bootable_zip"):
       bootable_only[0] = True
     else:
@@ -79,6 +101,7 @@ def option_handler(o, a):
   OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
   output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
   CopyInfo(output_zip)
+  AddRadio(output_zip)
 
   try:
     done = False
@@ -86,13 +109,20 @@ def option_handler(o, a):
     if os.path.exists(images_path):
       # If this is a new target-files, it already contains the images,
       # and all we have to do is copy them to the output zip.
+      # Skip oem.img files since they are not needed in fastboot images.
       images = os.listdir(images_path)
       if images:
-        for i in images:
-          if bootable_only and i not in ("boot.img", "recovery.img"): continue
-          if not i.endswith(".img"): continue
-          with open(os.path.join(images_path, i), "r") as f:
-            common.ZipWriteStr(output_zip, i, f.read())
+        for image in images:
+          if bootable_only and image not in ("boot.img", "recovery.img"):
+            continue
+          if not image.endswith(".img"):
+            continue
+          if image == "oem.img":
+            continue
+          if image == "recovery-two-step.img":
+            continue
+          common.ZipWrite(
+              output_zip, os.path.join(images_path, image), image)
         done = True
 
     if not done:
@@ -100,25 +130,18 @@ def option_handler(o, a):
       # images, so build them.
       import add_img_to_target_files
 
-      OPTIONS.info_dict = common.LoadInfoDict(input_zip)
-
-      # If this image was originally labelled with SELinux contexts,
-      # make sure we also apply the labels in our new image. During
-      # building, the "file_contexts" is in the out/ directory tree,
-      # but for repacking from target-files.zip it's in the root
-      # directory of the ramdisk.
-      if "selinux_fc" in OPTIONS.info_dict:
-        OPTIONS.info_dict["selinux_fc"] = os.path.join(
-            OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
+      OPTIONS.info_dict = common.LoadInfoDict(input_zip, OPTIONS.input_tmp)
 
       boot_image = common.GetBootableImage(
           "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
       if boot_image:
-          boot_image.AddToZip(output_zip)
-      recovery_image = common.GetBootableImage(
-          "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
-      if recovery_image:
-        recovery_image.AddToZip(output_zip)
+        boot_image.AddToZip(output_zip)
+
+      if OPTIONS.info_dict.get("no_recovery") != "true":
+        recovery_image = common.GetBootableImage(
+            "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+        if recovery_image:
+          recovery_image.AddToZip(output_zip)
 
       def banner(s):
         print "\n\n++++ " + s + " ++++\n\n"
@@ -134,12 +157,14 @@ def banner(s):
           pass   # no vendor partition for this device
         banner("AddUserdata")
         add_img_to_target_files.AddUserdata(output_zip, prefix="")
+        banner("AddUserdataExtra")
+        add_img_to_target_files.AddUserdataExtra(output_zip, prefix="")
         banner("AddCache")
         add_img_to_target_files.AddCache(output_zip, prefix="")
 
   finally:
     print "cleaning up..."
-    output_zip.close()
+    common.ZipClose(output_zip)
     shutil.rmtree(OPTIONS.input_tmp)
 
   print "done."
@@ -149,7 +174,7 @@ def banner(s):
   try:
     common.CloseInheritedPipes()
     main(sys.argv[1:])
-  except common.ExternalError, e:
+  except common.ExternalError as e:
     print
     print "   ERROR: %s" % (e,)
     print
diff --git a/tools/releasetools/make_recovery_patch b/tools/releasetools/make_recovery_patch
deleted file mode 100755
index 08d145008..000000000
--- a/tools/releasetools/make_recovery_patch
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (C) 2014 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import sys
-
-if sys.hexversion < 0x02070000:
-  print >> sys.stderr, "Python 2.7 or newer is required."
-  sys.exit(1)
-
-import os
-import common
-
-OPTIONS = common.OPTIONS
-
-def main(argv):
-  # def option_handler(o, a):
-  #   return False
-
-  args = common.ParseOptions(argv, __doc__)
-  input_dir, output_dir = args
-
-  OPTIONS.info_dict = common.LoadInfoDict(input_dir)
-
-  recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
-                                         input_dir, "RECOVERY")
-  boot_img = common.GetBootableImage("boot.img", "boot.img",
-                                     input_dir, "BOOT")
-
-  if not recovery_img or not boot_img:
-    sys.exit(0)
-
-  def output_sink(fn, data):
-    with open(os.path.join(output_dir, "SYSTEM", *fn.split("/")), "wb") as f:
-      f.write(data)
-
-  common.MakeRecoveryPatch(input_dir, output_sink, recovery_img, boot_img)
-
-
-if __name__ == '__main__':
-  main(sys.argv[1:])
diff --git a/tools/releasetools/make_recovery_patch b/tools/releasetools/make_recovery_patch
new file mode 120000
index 000000000..45cec0862
--- /dev/null
+++ b/tools/releasetools/make_recovery_patch
@@ -0,0 +1 @@
+make_recovery_patch.py
\ No newline at end of file
diff --git a/tools/releasetools/make_recovery_patch.py b/tools/releasetools/make_recovery_patch.py
new file mode 100755
index 000000000..08d145008
--- /dev/null
+++ b/tools/releasetools/make_recovery_patch.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+
+if sys.hexversion < 0x02070000:
+  print >> sys.stderr, "Python 2.7 or newer is required."
+  sys.exit(1)
+
+import os
+import common
+
+OPTIONS = common.OPTIONS
+
+def main(argv):
+  # def option_handler(o, a):
+  #   return False
+
+  args = common.ParseOptions(argv, __doc__)
+  input_dir, output_dir = args
+
+  OPTIONS.info_dict = common.LoadInfoDict(input_dir)
+
+  recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
+                                         input_dir, "RECOVERY")
+  boot_img = common.GetBootableImage("boot.img", "boot.img",
+                                     input_dir, "BOOT")
+
+  if not recovery_img or not boot_img:
+    sys.exit(0)
+
+  def output_sink(fn, data):
+    with open(os.path.join(output_dir, "SYSTEM", *fn.split("/")), "wb") as f:
+      f.write(data)
+
+  common.MakeRecoveryPatch(input_dir, output_sink, recovery_img, boot_img)
+
+
+if __name__ == '__main__':
+  main(sys.argv[1:])
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
deleted file mode 100755
index 945f11a0b..000000000
--- a/tools/releasetools/ota_from_target_files
+++ /dev/null
@@ -1,1556 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (C) 2008 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""
-Given a target-files zipfile, produces an OTA package that installs
-that build.  An incremental OTA is produced if -i is given, otherwise
-a full OTA is produced.
-
-Usage:  ota_from_target_files [flags] input_target_files output_ota_package
-
-  --board_config  <file>
-      Deprecated.
-
-  -k (--package_key) <key> Key to use to sign the package (default is
-      the value of default_system_dev_certificate from the input
-      target-files's META/misc_info.txt, or
-      "build/target/product/security/testkey" if that value is not
-      specified).
-
-      For incremental OTAs, the default value is based on the source
-      target-file, not the target build.
-
-  -i  (--incremental_from)  <file>
-      Generate an incremental OTA using the given target-files zip as
-      the starting build.
-
-  -v  (--verify)
-      Remount and verify the checksums of the files written to the
-      system and vendor (if used) partitions.  Incremental builds only.
-
-  -o  (--oem_settings)  <file>
-      Use the file to specify the expected OEM-specific properties
-      on the OEM partition of the intended device.
-
-  -w  (--wipe_user_data)
-      Generate an OTA package that will wipe the user data partition
-      when installed.
-
-  -n  (--no_prereq)
-      Omit the timestamp prereq check normally included at the top of
-      the build scripts (used for developer OTA packages which
-      legitimately need to go back and forth).
-
-  -e  (--extra_script)  <file>
-      Insert the contents of file at the end of the update script.
-
-  -a  (--aslr_mode)  <on|off>
-      Specify whether to turn on ASLR for the package (on by default).
-
-  -2  (--two_step)
-      Generate a 'two-step' OTA package, where recovery is updated
-      first, so that any changes made to the system partition are done
-      using the new recovery (new kernel, etc.).
-
-  --block
-      Generate a block-based OTA if possible.  Will fall back to a
-      file-based OTA if the target_files is older and doesn't support
-      block-based OTAs.
-
-  -b  (--binary)  <file>
-      Use the given binary as the update-binary in the output package,
-      instead of the binary in the build's target_files.  Use for
-      development only.
-
-  -t  (--worker_threads) <int>
-      Specifies the number of worker-threads that will be used when
-      generating patches for incremental updates (defaults to 3).
-
-"""
-
-import sys
-
-if sys.hexversion < 0x02070000:
-  print >> sys.stderr, "Python 2.7 or newer is required."
-  sys.exit(1)
-
-import copy
-import errno
-import multiprocessing
-import os
-import re
-import subprocess
-import tempfile
-import time
-import zipfile
-
-from hashlib import sha1 as sha1
-
-import common
-import edify_generator
-import build_image
-import blockimgdiff
-import sparse_img
-
-OPTIONS = common.OPTIONS
-OPTIONS.package_key = None
-OPTIONS.incremental_source = None
-OPTIONS.verify = False
-OPTIONS.require_verbatim = set()
-OPTIONS.prohibit_verbatim = set(("system/build.prop",))
-OPTIONS.patch_threshold = 0.95
-OPTIONS.wipe_user_data = False
-OPTIONS.omit_prereq = False
-OPTIONS.extra_script = None
-OPTIONS.aslr_mode = True
-OPTIONS.worker_threads = multiprocessing.cpu_count() // 2
-if OPTIONS.worker_threads == 0:
-  OPTIONS.worker_threads = 1
-OPTIONS.two_step = False
-OPTIONS.no_signing = False
-OPTIONS.block_based = False
-OPTIONS.updater_binary = None
-OPTIONS.oem_source = None
-OPTIONS.fallback_to_full = True
-
-def MostPopularKey(d, default):
-  """Given a dict, return the key corresponding to the largest
-  value.  Returns 'default' if the dict is empty."""
-  x = [(v, k) for (k, v) in d.iteritems()]
-  if not x: return default
-  x.sort()
-  return x[-1][1]
-
-
-def IsSymlink(info):
-  """Return true if the zipfile.ZipInfo object passed in represents a
-  symlink."""
-  return (info.external_attr >> 16) == 0120777
-
-def IsRegular(info):
-  """Return true if the zipfile.ZipInfo object passed in represents a
-  symlink."""
-  return (info.external_attr >> 28) == 010
-
-def ClosestFileMatch(src, tgtfiles, existing):
-  """Returns the closest file match between a source file and list
-     of potential matches.  The exact filename match is preferred,
-     then the sha1 is searched for, and finally a file with the same
-     basename is evaluated.  Rename support in the updater-binary is
-     required for the latter checks to be used."""
-
-  result = tgtfiles.get("path:" + src.name)
-  if result is not None:
-    return result
-
-  if not OPTIONS.target_info_dict.get("update_rename_support", False):
-    return None
-
-  if src.size < 1000:
-    return None
-
-  result = tgtfiles.get("sha1:" + src.sha1)
-  if result is not None and existing.get(result.name) is None:
-    return result
-  result = tgtfiles.get("file:" + src.name.split("/")[-1])
-  if result is not None and existing.get(result.name) is None:
-    return result
-  return None
-
-class ItemSet:
-  def __init__(self, partition, fs_config):
-    self.partition = partition
-    self.fs_config = fs_config
-    self.ITEMS = {}
-
-  def Get(self, name, dir=False):
-    if name not in self.ITEMS:
-      self.ITEMS[name] = Item(self, name, dir=dir)
-    return self.ITEMS[name]
-
-  def GetMetadata(self, input_zip):
-    # The target_files contains a record of what the uid,
-    # gid, and mode are supposed to be.
-    output = input_zip.read(self.fs_config)
-
-    for line in output.split("\n"):
-      if not line: continue
-      columns = line.split()
-      name, uid, gid, mode = columns[:4]
-      selabel = None
-      capabilities = None
-
-      # After the first 4 columns, there are a series of key=value
-      # pairs. Extract out the fields we care about.
-      for element in columns[4:]:
-        key, value = element.split("=")
-        if key == "selabel":
-          selabel = value
-        if key == "capabilities":
-          capabilities = value
-
-      i = self.ITEMS.get(name, None)
-      if i is not None:
-        i.uid = int(uid)
-        i.gid = int(gid)
-        i.mode = int(mode, 8)
-        i.selabel = selabel
-        i.capabilities = capabilities
-        if i.dir:
-          i.children.sort(key=lambda i: i.name)
-
-    # set metadata for the files generated by this script.
-    i = self.ITEMS.get("system/recovery-from-boot.p", None)
-    if i: i.uid, i.gid, i.mode, i.selabel, i.capabilities = 0, 0, 0644, None, None
-    i = self.ITEMS.get("system/etc/install-recovery.sh", None)
-    if i: i.uid, i.gid, i.mode, i.selabel, i.capabilities = 0, 0, 0544, None, None
-
-
-class Item:
-  """Items represent the metadata (user, group, mode) of files and
-  directories in the system image."""
-  def __init__(self, itemset, name, dir=False):
-    self.itemset = itemset
-    self.name = name
-    self.uid = None
-    self.gid = None
-    self.mode = None
-    self.selabel = None
-    self.capabilities = None
-    self.dir = dir
-
-    if name:
-      self.parent = itemset.Get(os.path.dirname(name), dir=True)
-      self.parent.children.append(self)
-    else:
-      self.parent = None
-    if dir:
-      self.children = []
-
-  def Dump(self, indent=0):
-    if self.uid is not None:
-      print "%s%s %d %d %o" % ("  "*indent, self.name, self.uid, self.gid, self.mode)
-    else:
-      print "%s%s %s %s %s" % ("  "*indent, self.name, self.uid, self.gid, self.mode)
-    if self.dir:
-      print "%s%s" % ("  "*indent, self.descendants)
-      print "%s%s" % ("  "*indent, self.best_subtree)
-      for i in self.children:
-        i.Dump(indent=indent+1)
-
-  def CountChildMetadata(self):
-    """Count up the (uid, gid, mode, selabel, capabilities) tuples for
-    all children and determine the best strategy for using set_perm_recursive and
-    set_perm to correctly chown/chmod all the files to their desired
-    values.  Recursively calls itself for all descendants.
-
-    Returns a dict of {(uid, gid, dmode, fmode, selabel, capabilities): count} counting up
-    all descendants of this node.  (dmode or fmode may be None.)  Also
-    sets the best_subtree of each directory Item to the (uid, gid,
-    dmode, fmode, selabel, capabilities) tuple that will match the most
-    descendants of that Item.
-    """
-
-    assert self.dir
-    d = self.descendants = {(self.uid, self.gid, self.mode, None, self.selabel, self.capabilities): 1}
-    for i in self.children:
-      if i.dir:
-        for k, v in i.CountChildMetadata().iteritems():
-          d[k] = d.get(k, 0) + v
-      else:
-        k = (i.uid, i.gid, None, i.mode, i.selabel, i.capabilities)
-        d[k] = d.get(k, 0) + 1
-
-    # Find the (uid, gid, dmode, fmode, selabel, capabilities)
-    # tuple that matches the most descendants.
-
-    # First, find the (uid, gid) pair that matches the most
-    # descendants.
-    ug = {}
-    for (uid, gid, _, _, _, _), count in d.iteritems():
-      ug[(uid, gid)] = ug.get((uid, gid), 0) + count
-    ug = MostPopularKey(ug, (0, 0))
-
-    # Now find the dmode, fmode, selabel, and capabilities that match
-    # the most descendants with that (uid, gid), and choose those.
-    best_dmode = (0, 0755)
-    best_fmode = (0, 0644)
-    best_selabel = (0, None)
-    best_capabilities = (0, None)
-    for k, count in d.iteritems():
-      if k[:2] != ug: continue
-      if k[2] is not None and count >= best_dmode[0]: best_dmode = (count, k[2])
-      if k[3] is not None and count >= best_fmode[0]: best_fmode = (count, k[3])
-      if k[4] is not None and count >= best_selabel[0]: best_selabel = (count, k[4])
-      if k[5] is not None and count >= best_capabilities[0]: best_capabilities = (count, k[5])
-    self.best_subtree = ug + (best_dmode[1], best_fmode[1], best_selabel[1], best_capabilities[1])
-
-    return d
-
-  def SetPermissions(self, script):
-    """Append set_perm/set_perm_recursive commands to 'script' to
-    set all permissions, users, and groups for the tree of files
-    rooted at 'self'."""
-
-    self.CountChildMetadata()
-
-    def recurse(item, current):
-      # current is the (uid, gid, dmode, fmode, selabel, capabilities) tuple that the current
-      # item (and all its children) have already been set to.  We only
-      # need to issue set_perm/set_perm_recursive commands if we're
-      # supposed to be something different.
-      if item.dir:
-        if current != item.best_subtree:
-          script.SetPermissionsRecursive("/"+item.name, *item.best_subtree)
-          current = item.best_subtree
-
-        if item.uid != current[0] or item.gid != current[1] or \
-           item.mode != current[2] or item.selabel != current[4] or \
-           item.capabilities != current[5]:
-          script.SetPermissions("/"+item.name, item.uid, item.gid,
-                                item.mode, item.selabel, item.capabilities)
-
-        for i in item.children:
-          recurse(i, current)
-      else:
-        if item.uid != current[0] or item.gid != current[1] or \
-               item.mode != current[3] or item.selabel != current[4] or \
-               item.capabilities != current[5]:
-          script.SetPermissions("/"+item.name, item.uid, item.gid,
-                                item.mode, item.selabel, item.capabilities)
-
-    recurse(self, (-1, -1, -1, -1, None, None))
-
-
-def CopyPartitionFiles(itemset, input_zip, output_zip=None, substitute=None):
-  """Copies files for the partition in the input zip to the output
-  zip.  Populates the Item class with their metadata, and returns a
-  list of symlinks.  output_zip may be None, in which case the copy is
-  skipped (but the other side effects still happen).  substitute is an
-  optional dict of {output filename: contents} to be output instead of
-  certain input files.
-  """
-
-  symlinks = []
-
-  partition = itemset.partition
-
-  for info in input_zip.infolist():
-    if info.filename.startswith(partition.upper() + "/"):
-      basefilename = info.filename[7:]
-      if IsSymlink(info):
-        symlinks.append((input_zip.read(info.filename),
-                         "/" + partition + "/" + basefilename))
-      else:
-        info2 = copy.copy(info)
-        fn = info2.filename = partition + "/" + basefilename
-        if substitute and fn in substitute and substitute[fn] is None:
-          continue
-        if output_zip is not None:
-          if substitute and fn in substitute:
-            data = substitute[fn]
-          else:
-            data = input_zip.read(info.filename)
-          output_zip.writestr(info2, data)
-        if fn.endswith("/"):
-          itemset.Get(fn[:-1], dir=True)
-        else:
-          itemset.Get(fn, dir=False)
-
-  symlinks.sort()
-  return symlinks
-
-
-def SignOutput(temp_zip_name, output_zip_name):
-  key_passwords = common.GetKeyPasswords([OPTIONS.package_key])
-  pw = key_passwords[OPTIONS.package_key]
-
-  common.SignFile(temp_zip_name, output_zip_name, OPTIONS.package_key, pw,
-                  whole_file=True)
-
-
-def AppendAssertions(script, info_dict, oem_dict = None):
-  oem_props = info_dict.get("oem_fingerprint_properties")
-  if oem_props is None or len(oem_props) == 0:
-    device = GetBuildProp("ro.product.device", info_dict)
-    script.AssertDevice(device)
-  else:
-    if oem_dict is None:
-      raise common.ExternalError("No OEM file provided to answer expected assertions")
-    for prop in oem_props.split():
-      if oem_dict.get(prop) is None:
-        raise common.ExternalError("The OEM file is missing the property %s" % prop)
-      script.AssertOemProperty(prop, oem_dict.get(prop))
-
-
-def HasRecoveryPatch(target_files_zip):
-  try:
-    target_files_zip.getinfo("SYSTEM/recovery-from-boot.p")
-    return True
-  except KeyError:
-    return False
-
-def HasVendorPartition(target_files_zip):
-  try:
-    target_files_zip.getinfo("VENDOR/")
-    return True
-  except KeyError:
-    return False
-
-def GetOemProperty(name, oem_props, oem_dict, info_dict):
-  if oem_props is not None and name in oem_props:
-    return oem_dict[name]
-  return GetBuildProp(name, info_dict)
-
-
-def CalculateFingerprint(oem_props, oem_dict, info_dict):
-  if oem_props is None:
-    return GetBuildProp("ro.build.fingerprint", info_dict)
-  return "%s/%s/%s:%s" % (
-    GetOemProperty("ro.product.brand", oem_props, oem_dict, info_dict),
-    GetOemProperty("ro.product.name", oem_props, oem_dict, info_dict),
-    GetOemProperty("ro.product.device", oem_props, oem_dict, info_dict),
-    GetBuildProp("ro.build.thumbprint", info_dict))
-
-
-def GetImage(which, tmpdir, info_dict):
-  # Return an image object (suitable for passing to BlockImageDiff)
-  # for the 'which' partition (most be "system" or "vendor").  If a
-  # prebuilt image and file map are found in tmpdir they are used,
-  # otherwise they are reconstructed from the individual files.
-
-  assert which in ("system", "vendor")
-
-  path = os.path.join(tmpdir, "IMAGES", which + ".img")
-  mappath = os.path.join(tmpdir, "IMAGES", which + ".map")
-  if os.path.exists(path) and os.path.exists(mappath):
-    print "using %s.img from target-files" % (which,)
-    # This is a 'new' target-files, which already has the image in it.
-
-  else:
-    print "building %s.img from target-files" % (which,)
-
-    # This is an 'old' target-files, which does not contain images
-    # already built.  Build them.
-
-    mappath = tempfile.mkstemp()[1]
-    OPTIONS.tempfiles.append(mappath)
-
-    import add_img_to_target_files
-    if which == "system":
-      path = add_img_to_target_files.BuildSystem(
-          tmpdir, info_dict, block_list=mappath)
-    elif which == "vendor":
-      path = add_img_to_target_files.BuildVendor(
-          tmpdir, info_dict, block_list=mappath)
-
-  return sparse_img.SparseImage(path, mappath)
-
-
-def WriteFullOTAPackage(input_zip, output_zip):
-  # TODO: how to determine this?  We don't know what version it will
-  # be installed on top of.  For now, we expect the API just won't
-  # change very often.
-  script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict)
-
-  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
-  recovery_mount_options = OPTIONS.info_dict.get("recovery_mount_options")
-  oem_dict = None
-  if oem_props is not None and len(oem_props) > 0:
-    if OPTIONS.oem_source is None:
-      raise common.ExternalError("OEM source required for this build")
-    script.Mount("/oem", recovery_mount_options)
-    oem_dict = common.LoadDictionaryFromLines(open(OPTIONS.oem_source).readlines())
-
-  metadata = {"post-build": CalculateFingerprint(
-                               oem_props, oem_dict, OPTIONS.info_dict),
-              "pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
-                                         OPTIONS.info_dict),
-              "post-timestamp": GetBuildProp("ro.build.date.utc",
-                                             OPTIONS.info_dict),
-              }
-
-  device_specific = common.DeviceSpecificParams(
-      input_zip=input_zip,
-      input_version=OPTIONS.info_dict["recovery_api_version"],
-      output_zip=output_zip,
-      script=script,
-      input_tmp=OPTIONS.input_tmp,
-      metadata=metadata,
-      info_dict=OPTIONS.info_dict)
-
-  has_recovery_patch = HasRecoveryPatch(input_zip)
-  block_based = OPTIONS.block_based and has_recovery_patch
-
-  if not OPTIONS.omit_prereq:
-    ts = GetBuildProp("ro.build.date.utc", OPTIONS.info_dict)
-    ts_text = GetBuildProp("ro.build.date", OPTIONS.info_dict)
-    script.AssertOlderBuild(ts, ts_text)
-
-  AppendAssertions(script, OPTIONS.info_dict, oem_dict)
-  device_specific.FullOTA_Assertions()
-
-  # Two-step package strategy (in chronological order, which is *not*
-  # the order in which the generated script has things):
-  #
-  # if stage is not "2/3" or "3/3":
-  #    write recovery image to boot partition
-  #    set stage to "2/3"
-  #    reboot to boot partition and restart recovery
-  # else if stage is "2/3":
-  #    write recovery image to recovery partition
-  #    set stage to "3/3"
-  #    reboot to recovery partition and restart recovery
-  # else:
-  #    (stage must be "3/3")
-  #    set stage to ""
-  #    do normal full package installation:
-  #       wipe and install system, boot image, etc.
-  #       set up system to update recovery partition on first boot
-  #    complete script normally (allow recovery to mark itself finished and reboot)
-
-  recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
-                                         OPTIONS.input_tmp, "RECOVERY")
-  if OPTIONS.two_step:
-    if not OPTIONS.info_dict.get("multistage_support", None):
-      assert False, "two-step packages not supported by this build"
-    fs = OPTIONS.info_dict["fstab"]["/misc"]
-    assert fs.fs_type.upper() == "EMMC", \
-        "two-step packages only supported on devices with EMMC /misc partitions"
-    bcb_dev = {"bcb_dev": fs.device}
-    common.ZipWriteStr(output_zip, "recovery.img", recovery_img.data)
-    script.AppendExtra("""
-if get_stage("%(bcb_dev)s") == "2/3" then
-""" % bcb_dev)
-    script.WriteRawImage("/recovery", "recovery.img")
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "3/3");
-reboot_now("%(bcb_dev)s", "recovery");
-else if get_stage("%(bcb_dev)s") == "3/3" then
-""" % bcb_dev)
-
-  device_specific.FullOTA_InstallBegin()
-
-  system_progress = 0.75
-
-  if OPTIONS.wipe_user_data:
-    system_progress -= 0.1
-  if HasVendorPartition(input_zip):
-    system_progress -= 0.1
-
-  if "selinux_fc" in OPTIONS.info_dict:
-    WritePolicyConfig(OPTIONS.info_dict["selinux_fc"], output_zip)
-
-  recovery_mount_options = OPTIONS.info_dict.get("recovery_mount_options")
-
-  system_items = ItemSet("system", "META/filesystem_config.txt")
-  script.ShowProgress(system_progress, 0)
-
-  if block_based:
-    # Full OTA is done as an "incremental" against an empty source
-    # image.  This has the effect of writing new data from the package
-    # to the entire partition, but lets us reuse the updater code that
-    # writes incrementals to do it.
-    system_tgt = GetImage("system", OPTIONS.input_tmp, OPTIONS.info_dict)
-    system_tgt.ResetFileMap()
-    system_diff = common.BlockDifference("system", system_tgt, src=None)
-    system_diff.WriteScript(script, output_zip)
-  else:
-    script.FormatPartition("/system")
-    script.Mount("/system", recovery_mount_options)
-    if not has_recovery_patch:
-      script.UnpackPackageDir("recovery", "/system")
-    script.UnpackPackageDir("system", "/system")
-
-    symlinks = CopyPartitionFiles(system_items, input_zip, output_zip)
-    script.MakeSymlinks(symlinks)
-
-  boot_img = common.GetBootableImage("boot.img", "boot.img",
-                                     OPTIONS.input_tmp, "BOOT")
-
-  if not block_based:
-    def output_sink(fn, data):
-      common.ZipWriteStr(output_zip, "recovery/" + fn, data)
-      system_items.Get("system/" + fn, dir=False)
-
-    common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink,
-                             recovery_img, boot_img)
-
-    system_items.GetMetadata(input_zip)
-    system_items.Get("system").SetPermissions(script)
-
-  if HasVendorPartition(input_zip):
-    vendor_items = ItemSet("vendor", "META/vendor_filesystem_config.txt")
-    script.ShowProgress(0.1, 0)
-
-    if block_based:
-      vendor_tgt = GetImage("vendor", OPTIONS.input_tmp, OPTIONS.info_dict)
-      vendor_tgt.ResetFileMap()
-      vendor_diff = common.BlockDifference("vendor", vendor_tgt)
-      vendor_diff.WriteScript(script, output_zip)
-    else:
-      script.FormatPartition("/vendor")
-      script.Mount("/vendor", recovery_mount_options)
-      script.UnpackPackageDir("vendor", "/vendor")
-
-      symlinks = CopyPartitionFiles(vendor_items, input_zip, output_zip)
-      script.MakeSymlinks(symlinks)
-
-      vendor_items.GetMetadata(input_zip)
-      vendor_items.Get("vendor").SetPermissions(script)
-
-  common.CheckSize(boot_img.data, "boot.img", OPTIONS.info_dict)
-  common.ZipWriteStr(output_zip, "boot.img", boot_img.data)
-
-  script.ShowProgress(0.05, 5)
-  script.WriteRawImage("/boot", "boot.img")
-
-  script.ShowProgress(0.2, 10)
-  device_specific.FullOTA_InstallEnd()
-
-  if OPTIONS.extra_script is not None:
-    script.AppendExtra(OPTIONS.extra_script)
-
-  script.UnmountAll()
-
-  if OPTIONS.wipe_user_data:
-    script.ShowProgress(0.1, 10)
-    script.FormatPartition("/data")
-
-  if OPTIONS.two_step:
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "");
-""" % bcb_dev)
-    script.AppendExtra("else\n")
-    script.WriteRawImage("/boot", "recovery.img")
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "2/3");
-reboot_now("%(bcb_dev)s", "");
-endif;
-endif;
-""" % bcb_dev)
-  script.AddToZip(input_zip, output_zip, input_path=OPTIONS.updater_binary)
-  WriteMetadata(metadata, output_zip)
-
-
-def WritePolicyConfig(file_context, output_zip):
-  f = open(file_context, 'r');
-  basename = os.path.basename(file_context)
-  common.ZipWriteStr(output_zip, basename, f.read())
-
-
-def WriteMetadata(metadata, output_zip):
-  common.ZipWriteStr(output_zip, "META-INF/com/android/metadata",
-                     "".join(["%s=%s\n" % kv
-                              for kv in sorted(metadata.iteritems())]))
-
-
-def LoadPartitionFiles(z, partition):
-  """Load all the files from the given partition in a given target-files
-  ZipFile, and return a dict of {filename: File object}."""
-  out = {}
-  prefix = partition.upper() + "/"
-  for info in z.infolist():
-    if info.filename.startswith(prefix) and not IsSymlink(info):
-      basefilename = info.filename[7:]
-      fn = partition + "/" + basefilename
-      data = z.read(info.filename)
-      out[fn] = common.File(fn, data)
-  return out
-
-
-def GetBuildProp(prop, info_dict):
-  """Return the fingerprint of the build of a given target-files info_dict."""
-  try:
-    return info_dict.get("build.prop", {})[prop]
-  except KeyError:
-    raise common.ExternalError("couldn't find %s in build.prop" % (prop,))
-
-
-def AddToKnownPaths(filename, known_paths):
-  if filename[-1] == "/":
-    return
-  dirs = filename.split("/")[:-1]
-  while len(dirs) > 0:
-    path = "/".join(dirs)
-    if path in known_paths:
-      break;
-    known_paths.add(path)
-    dirs.pop()
-
-
-def WriteBlockIncrementalOTAPackage(target_zip, source_zip, output_zip):
-  source_version = OPTIONS.source_info_dict["recovery_api_version"]
-  target_version = OPTIONS.target_info_dict["recovery_api_version"]
-
-  if source_version == 0:
-    print ("WARNING: generating edify script for a source that "
-           "can't install it.")
-  script = edify_generator.EdifyGenerator(source_version,
-                                          OPTIONS.target_info_dict)
-
-  metadata = {"pre-device": GetBuildProp("ro.product.device",
-                                         OPTIONS.source_info_dict),
-              "post-timestamp": GetBuildProp("ro.build.date.utc",
-                                             OPTIONS.target_info_dict),
-              }
-
-  device_specific = common.DeviceSpecificParams(
-      source_zip=source_zip,
-      source_version=source_version,
-      target_zip=target_zip,
-      target_version=target_version,
-      output_zip=output_zip,
-      script=script,
-      metadata=metadata,
-      info_dict=OPTIONS.info_dict)
-
-  source_fp = GetBuildProp("ro.build.fingerprint", OPTIONS.source_info_dict)
-  target_fp = GetBuildProp("ro.build.fingerprint", OPTIONS.target_info_dict)
-  metadata["pre-build"] = source_fp
-  metadata["post-build"] = target_fp
-
-  source_boot = common.GetBootableImage(
-      "/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT",
-      OPTIONS.source_info_dict)
-  target_boot = common.GetBootableImage(
-      "/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT")
-  updating_boot = (not OPTIONS.two_step and
-                   (source_boot.data != target_boot.data))
-
-  source_recovery = common.GetBootableImage(
-      "/tmp/recovery.img", "recovery.img", OPTIONS.source_tmp, "RECOVERY",
-      OPTIONS.source_info_dict)
-  target_recovery = common.GetBootableImage(
-      "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
-  updating_recovery = (source_recovery.data != target_recovery.data)
-
-  system_src = GetImage("system", OPTIONS.source_tmp, OPTIONS.source_info_dict)
-  system_tgt = GetImage("system", OPTIONS.target_tmp, OPTIONS.target_info_dict)
-  system_diff = common.BlockDifference("system", system_tgt, system_src,
-                                       check_first_block=True)
-
-  if HasVendorPartition(target_zip):
-    if not HasVendorPartition(source_zip):
-      raise RuntimeError("can't generate incremental that adds /vendor")
-    vendor_src = GetImage("vendor", OPTIONS.source_tmp, OPTIONS.source_info_dict)
-    vendor_tgt = GetImage("vendor", OPTIONS.target_tmp, OPTIONS.target_info_dict)
-    vendor_diff = common.BlockDifference("vendor", vendor_tgt, vendor_src,
-                                         check_first_block=True)
-  else:
-    vendor_diff = None
-
-  oem_props = OPTIONS.target_info_dict.get("oem_fingerprint_properties")
-  recovery_mount_options = OPTIONS.target_info_dict.get("recovery_mount_options")
-  oem_dict = None
-  if oem_props is not None and len(oem_props) > 0:
-    if OPTIONS.oem_source is None:
-      raise common.ExternalError("OEM source required for this build")
-    script.Mount("/oem", recovery_mount_options)
-    oem_dict = common.LoadDictionaryFromLines(open(OPTIONS.oem_source).readlines())
-
-  AppendAssertions(script, OPTIONS.target_info_dict, oem_dict)
-  device_specific.IncrementalOTA_Assertions()
-
-  # Two-step incremental package strategy (in chronological order,
-  # which is *not* the order in which the generated script has
-  # things):
-  #
-  # if stage is not "2/3" or "3/3":
-  #    do verification on current system
-  #    write recovery image to boot partition
-  #    set stage to "2/3"
-  #    reboot to boot partition and restart recovery
-  # else if stage is "2/3":
-  #    write recovery image to recovery partition
-  #    set stage to "3/3"
-  #    reboot to recovery partition and restart recovery
-  # else:
-  #    (stage must be "3/3")
-  #    perform update:
-  #       patch system files, etc.
-  #       force full install of new boot image
-  #       set up system to update recovery partition on first boot
-  #    complete script normally (allow recovery to mark itself finished and reboot)
-
-  if OPTIONS.two_step:
-    if not OPTIONS.info_dict.get("multistage_support", None):
-      assert False, "two-step packages not supported by this build"
-    fs = OPTIONS.info_dict["fstab"]["/misc"]
-    assert fs.fs_type.upper() == "EMMC", \
-        "two-step packages only supported on devices with EMMC /misc partitions"
-    bcb_dev = {"bcb_dev": fs.device}
-    common.ZipWriteStr(output_zip, "recovery.img", target_recovery.data)
-    script.AppendExtra("""
-if get_stage("%(bcb_dev)s") == "2/3" then
-""" % bcb_dev)
-    script.AppendExtra("sleep(20);\n");
-    script.WriteRawImage("/recovery", "recovery.img")
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "3/3");
-reboot_now("%(bcb_dev)s", "recovery");
-else if get_stage("%(bcb_dev)s") != "3/3" then
-""" % bcb_dev)
-
-  script.Print("Verifying current system...")
-
-  device_specific.IncrementalOTA_VerifyBegin()
-
-  if oem_props is None:
-    script.AssertSomeFingerprint(source_fp, target_fp)
-  else:
-    script.AssertSomeThumbprint(
-        GetBuildProp("ro.build.thumbprint", OPTIONS.target_info_dict),
-        GetBuildProp("ro.build.thumbprint", OPTIONS.source_info_dict))
-
-  if updating_boot:
-    boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
-    d = common.Difference(target_boot, source_boot)
-    _, _, d = d.ComputePatch()
-    if d is None:
-      include_full_boot = True
-      common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
-    else:
-      include_full_boot = False
-
-      print "boot      target: %d  source: %d  diff: %d" % (
-          target_boot.size, source_boot.size, len(d))
-
-      common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
-
-      script.PatchCheck("%s:%s:%d:%s:%d:%s" %
-                        (boot_type, boot_device,
-                         source_boot.size, source_boot.sha1,
-                         target_boot.size, target_boot.sha1))
-
-  device_specific.IncrementalOTA_VerifyEnd()
-
-  if OPTIONS.two_step:
-    script.WriteRawImage("/boot", "recovery.img")
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "2/3");
-reboot_now("%(bcb_dev)s", "");
-else
-""" % bcb_dev)
-
-  # Verify the existing partitions.
-  system_diff.WriteVerifyScript(script)
-  if vendor_diff:
-    vendor_diff.WriteVerifyScript(script)
-
-  script.Comment("---- start making changes here ----")
-
-  device_specific.IncrementalOTA_InstallBegin()
-
-  system_diff.WriteScript(script, output_zip,
-                          progress=0.8 if vendor_diff else 0.9)
-  if vendor_diff:
-    vendor_diff.WriteScript(script, output_zip, progress=0.1)
-
-  if OPTIONS.two_step:
-    common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
-    script.WriteRawImage("/boot", "boot.img")
-    print "writing full boot image (forced by two-step mode)"
-
-  if not OPTIONS.two_step:
-    if updating_boot:
-      if include_full_boot:
-        print "boot image changed; including full."
-        script.Print("Installing boot image...")
-        script.WriteRawImage("/boot", "boot.img")
-      else:
-        # Produce the boot image by applying a patch to the current
-        # contents of the boot partition, and write it back to the
-        # partition.
-        print "boot image changed; including patch."
-        script.Print("Patching boot image...")
-        script.ShowProgress(0.1, 10)
-        script.ApplyPatch("%s:%s:%d:%s:%d:%s"
-                          % (boot_type, boot_device,
-                             source_boot.size, source_boot.sha1,
-                             target_boot.size, target_boot.sha1),
-                          "-",
-                          target_boot.size, target_boot.sha1,
-                          source_boot.sha1, "patch/boot.img.p")
-    else:
-      print "boot image unchanged; skipping."
-
-  # Do device-specific installation (eg, write radio image).
-  device_specific.IncrementalOTA_InstallEnd()
-
-  if OPTIONS.extra_script is not None:
-    script.AppendExtra(OPTIONS.extra_script)
-
-  if OPTIONS.wipe_user_data:
-    script.Print("Erasing user data...")
-    script.FormatPartition("/data")
-
-  if OPTIONS.two_step:
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "");
-endif;
-endif;
-""" % bcb_dev)
-
-  script.SetProgress(1)
-  script.AddToZip(target_zip, output_zip, input_path=OPTIONS.updater_binary)
-  WriteMetadata(metadata, output_zip)
-
-
-class FileDifference:
-  def __init__(self, partition, source_zip, target_zip, output_zip):
-    print "Loading target..."
-    self.target_data = target_data = LoadPartitionFiles(target_zip, partition)
-    print "Loading source..."
-    self.source_data = source_data = LoadPartitionFiles(source_zip, partition)
-
-    self.verbatim_targets = verbatim_targets = []
-    self.patch_list = patch_list = []
-    diffs = []
-    self.renames = renames = {}
-    known_paths = set()
-    largest_source_size = 0
-
-    matching_file_cache = {}
-    for fn, sf in source_data.items():
-      assert fn == sf.name
-      matching_file_cache["path:" + fn] = sf
-      if fn in target_data.keys():
-        AddToKnownPaths(fn, known_paths)
-      # Only allow eligibility for filename/sha matching
-      # if there isn't a perfect path match.
-      if target_data.get(sf.name) is None:
-        matching_file_cache["file:" + fn.split("/")[-1]] = sf
-        matching_file_cache["sha:" + sf.sha1] = sf
-
-    for fn in sorted(target_data.keys()):
-      tf = target_data[fn]
-      assert fn == tf.name
-      sf = ClosestFileMatch(tf, matching_file_cache, renames)
-      if sf is not None and sf.name != tf.name:
-        print "File has moved from " + sf.name + " to " + tf.name
-        renames[sf.name] = tf
-
-      if sf is None or fn in OPTIONS.require_verbatim:
-        # This file should be included verbatim
-        if fn in OPTIONS.prohibit_verbatim:
-          raise common.ExternalError("\"%s\" must be sent verbatim" % (fn,))
-        print "send", fn, "verbatim"
-        tf.AddToZip(output_zip)
-        verbatim_targets.append((fn, tf.size, tf.sha1))
-        if fn in target_data.keys():
-          AddToKnownPaths(fn, known_paths)
-      elif tf.sha1 != sf.sha1:
-        # File is different; consider sending as a patch
-        diffs.append(common.Difference(tf, sf))
-      else:
-        # Target file data identical to source (may still be renamed)
-        pass
-
-    common.ComputeDifferences(diffs)
-
-    for diff in diffs:
-      tf, sf, d = diff.GetPatch()
-      path = "/".join(tf.name.split("/")[:-1])
-      if d is None or len(d) > tf.size * OPTIONS.patch_threshold or \
-          path not in known_paths:
-        # patch is almost as big as the file; don't bother patching
-        # or a patch + rename cannot take place due to the target
-        # directory not existing
-        tf.AddToZip(output_zip)
-        verbatim_targets.append((tf.name, tf.size, tf.sha1))
-        if sf.name in renames:
-          del renames[sf.name]
-        AddToKnownPaths(tf.name, known_paths)
-      else:
-        common.ZipWriteStr(output_zip, "patch/" + sf.name + ".p", d)
-        patch_list.append((tf, sf, tf.size, common.sha1(d).hexdigest()))
-        largest_source_size = max(largest_source_size, sf.size)
-
-    self.largest_source_size = largest_source_size
-
-  def EmitVerification(self, script):
-    so_far = 0
-    for tf, sf, size, patch_sha in self.patch_list:
-      if tf.name != sf.name:
-        script.SkipNextActionIfTargetExists(tf.name, tf.sha1)
-      script.PatchCheck("/"+sf.name, tf.sha1, sf.sha1)
-      so_far += sf.size
-    return so_far
-
-  def EmitExplicitTargetVerification(self, script):
-    for fn, size, sha1 in self.verbatim_targets:
-      if (fn[-1] != "/"):
-        script.FileCheck("/"+fn, sha1)
-    for tf, _, _, _ in self.patch_list:
-      script.FileCheck(tf.name, tf.sha1)
-
-  def RemoveUnneededFiles(self, script, extras=()):
-    script.DeleteFiles(["/"+i[0] for i in self.verbatim_targets] +
-                       ["/"+i for i in sorted(self.source_data)
-                              if i not in self.target_data and
-                              i not in self.renames] +
-                       list(extras))
-
-  def TotalPatchSize(self):
-    return sum(i[1].size for i in self.patch_list)
-
-  def EmitPatches(self, script, total_patch_size, so_far):
-    self.deferred_patch_list = deferred_patch_list = []
-    for item in self.patch_list:
-      tf, sf, size, _ = item
-      if tf.name == "system/build.prop":
-        deferred_patch_list.append(item)
-        continue
-      if (sf.name != tf.name):
-        script.SkipNextActionIfTargetExists(tf.name, tf.sha1)
-      script.ApplyPatch("/"+sf.name, "-", tf.size, tf.sha1, sf.sha1, "patch/"+sf.name+".p")
-      so_far += tf.size
-      script.SetProgress(so_far / total_patch_size)
-    return so_far
-
-  def EmitDeferredPatches(self, script):
-    for item in self.deferred_patch_list:
-      tf, sf, size, _ = item
-      script.ApplyPatch("/"+sf.name, "-", tf.size, tf.sha1, sf.sha1, "patch/"+sf.name+".p")
-    script.SetPermissions("/system/build.prop", 0, 0, 0644, None, None)
-
-  def EmitRenames(self, script):
-    if len(self.renames) > 0:
-      script.Print("Renaming files...")
-      for src, tgt in self.renames.iteritems():
-        print "Renaming " + src + " to " + tgt.name
-        script.RenameFile(src, tgt.name)
-
-
-
-
-def WriteIncrementalOTAPackage(target_zip, source_zip, output_zip):
-  target_has_recovery_patch = HasRecoveryPatch(target_zip)
-  source_has_recovery_patch = HasRecoveryPatch(source_zip)
-
-  if (OPTIONS.block_based and
-      target_has_recovery_patch and
-      source_has_recovery_patch):
-    return WriteBlockIncrementalOTAPackage(target_zip, source_zip, output_zip)
-
-  source_version = OPTIONS.source_info_dict["recovery_api_version"]
-  target_version = OPTIONS.target_info_dict["recovery_api_version"]
-
-  if source_version == 0:
-    print ("WARNING: generating edify script for a source that "
-           "can't install it.")
-  script = edify_generator.EdifyGenerator(source_version,
-                                          OPTIONS.target_info_dict)
-
-  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
-  recovery_mount_options = OPTIONS.info_dict.get("recovery_mount_options")
-  oem_dict = None
-  if oem_props is not None and len(oem_props) > 0:
-    if OPTIONS.oem_source is None:
-      raise common.ExternalError("OEM source required for this build")
-    script.Mount("/oem", recovery_mount_options)
-    oem_dict = common.LoadDictionaryFromLines(open(OPTIONS.oem_source).readlines())
-
-  metadata = {"pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
-                                         OPTIONS.source_info_dict),
-              "post-timestamp": GetBuildProp("ro.build.date.utc",
-                                             OPTIONS.target_info_dict),
-              }
-
-  device_specific = common.DeviceSpecificParams(
-      source_zip=source_zip,
-      source_version=source_version,
-      target_zip=target_zip,
-      target_version=target_version,
-      output_zip=output_zip,
-      script=script,
-      metadata=metadata,
-      info_dict=OPTIONS.info_dict)
-
-  system_diff = FileDifference("system", source_zip, target_zip, output_zip)
-  script.Mount("/system", recovery_mount_options)
-  if HasVendorPartition(target_zip):
-    vendor_diff = FileDifference("vendor", source_zip, target_zip, output_zip)
-    script.Mount("/vendor", recovery_mount_options)
-  else:
-    vendor_diff = None
-
-  target_fp = CalculateFingerprint(oem_props, oem_dict, OPTIONS.target_info_dict)
-  source_fp = CalculateFingerprint(oem_props, oem_dict, OPTIONS.source_info_dict)
-
-  if oem_props is None:
-    script.AssertSomeFingerprint(source_fp, target_fp)
-  else:
-    script.AssertSomeThumbprint(
-        GetBuildProp("ro.build.thumbprint", OPTIONS.target_info_dict),
-        GetBuildProp("ro.build.thumbprint", OPTIONS.source_info_dict))
-
-  metadata["pre-build"] = source_fp
-  metadata["post-build"] = target_fp
-
-  source_boot = common.GetBootableImage(
-      "/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT",
-      OPTIONS.source_info_dict)
-  target_boot = common.GetBootableImage(
-      "/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT")
-  updating_boot = (not OPTIONS.two_step and
-                   (source_boot.data != target_boot.data))
-
-  source_recovery = common.GetBootableImage(
-      "/tmp/recovery.img", "recovery.img", OPTIONS.source_tmp, "RECOVERY",
-      OPTIONS.source_info_dict)
-  target_recovery = common.GetBootableImage(
-      "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
-  updating_recovery = (source_recovery.data != target_recovery.data)
-
-  # Here's how we divide up the progress bar:
-  #  0.1 for verifying the start state (PatchCheck calls)
-  #  0.8 for applying patches (ApplyPatch calls)
-  #  0.1 for unpacking verbatim files, symlinking, and doing the
-  #      device-specific commands.
-
-  AppendAssertions(script, OPTIONS.target_info_dict, oem_dict)
-  device_specific.IncrementalOTA_Assertions()
-
-  # Two-step incremental package strategy (in chronological order,
-  # which is *not* the order in which the generated script has
-  # things):
-  #
-  # if stage is not "2/3" or "3/3":
-  #    do verification on current system
-  #    write recovery image to boot partition
-  #    set stage to "2/3"
-  #    reboot to boot partition and restart recovery
-  # else if stage is "2/3":
-  #    write recovery image to recovery partition
-  #    set stage to "3/3"
-  #    reboot to recovery partition and restart recovery
-  # else:
-  #    (stage must be "3/3")
-  #    perform update:
-  #       patch system files, etc.
-  #       force full install of new boot image
-  #       set up system to update recovery partition on first boot
-  #    complete script normally (allow recovery to mark itself finished and reboot)
-
-  if OPTIONS.two_step:
-    if not OPTIONS.info_dict.get("multistage_support", None):
-      assert False, "two-step packages not supported by this build"
-    fs = OPTIONS.info_dict["fstab"]["/misc"]
-    assert fs.fs_type.upper() == "EMMC", \
-        "two-step packages only supported on devices with EMMC /misc partitions"
-    bcb_dev = {"bcb_dev": fs.device}
-    common.ZipWriteStr(output_zip, "recovery.img", target_recovery.data)
-    script.AppendExtra("""
-if get_stage("%(bcb_dev)s") == "2/3" then
-""" % bcb_dev)
-    script.AppendExtra("sleep(20);\n");
-    script.WriteRawImage("/recovery", "recovery.img")
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "3/3");
-reboot_now("%(bcb_dev)s", "recovery");
-else if get_stage("%(bcb_dev)s") != "3/3" then
-""" % bcb_dev)
-
-  script.Print("Verifying current system...")
-
-  device_specific.IncrementalOTA_VerifyBegin()
-
-  script.ShowProgress(0.1, 0)
-  so_far = system_diff.EmitVerification(script)
-  if vendor_diff:
-    so_far += vendor_diff.EmitVerification(script)
-
-  if updating_boot:
-    d = common.Difference(target_boot, source_boot)
-    _, _, d = d.ComputePatch()
-    print "boot      target: %d  source: %d  diff: %d" % (
-        target_boot.size, source_boot.size, len(d))
-
-    common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
-
-    boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
-
-    script.PatchCheck("%s:%s:%d:%s:%d:%s" %
-                      (boot_type, boot_device,
-                       source_boot.size, source_boot.sha1,
-                       target_boot.size, target_boot.sha1))
-    so_far += source_boot.size
-
-  size = []
-  if system_diff.patch_list: size.append(system_diff.largest_source_size)
-  if vendor_diff:
-    if vendor_diff.patch_list: size.append(vendor_diff.largest_source_size)
-  if size or updating_recovery or updating_boot:
-    script.CacheFreeSpaceCheck(max(size))
-
-  device_specific.IncrementalOTA_VerifyEnd()
-
-  if OPTIONS.two_step:
-    script.WriteRawImage("/boot", "recovery.img")
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "2/3");
-reboot_now("%(bcb_dev)s", "");
-else
-""" % bcb_dev)
-
-  script.Comment("---- start making changes here ----")
-
-  device_specific.IncrementalOTA_InstallBegin()
-
-  if OPTIONS.two_step:
-    common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
-    script.WriteRawImage("/boot", "boot.img")
-    print "writing full boot image (forced by two-step mode)"
-
-  script.Print("Removing unneeded files...")
-  system_diff.RemoveUnneededFiles(script, ("/system/recovery.img",))
-  if vendor_diff:
-    vendor_diff.RemoveUnneededFiles(script)
-
-  script.ShowProgress(0.8, 0)
-  total_patch_size = 1.0 + system_diff.TotalPatchSize()
-  if vendor_diff:
-    total_patch_size += vendor_diff.TotalPatchSize()
-  if updating_boot:
-    total_patch_size += target_boot.size
-
-  script.Print("Patching system files...")
-  so_far = system_diff.EmitPatches(script, total_patch_size, 0)
-  if vendor_diff:
-    script.Print("Patching vendor files...")
-    so_far = vendor_diff.EmitPatches(script, total_patch_size, so_far)
-
-  if not OPTIONS.two_step:
-    if updating_boot:
-      # Produce the boot image by applying a patch to the current
-      # contents of the boot partition, and write it back to the
-      # partition.
-      script.Print("Patching boot image...")
-      script.ApplyPatch("%s:%s:%d:%s:%d:%s"
-                        % (boot_type, boot_device,
-                           source_boot.size, source_boot.sha1,
-                           target_boot.size, target_boot.sha1),
-                        "-",
-                        target_boot.size, target_boot.sha1,
-                        source_boot.sha1, "patch/boot.img.p")
-      so_far += target_boot.size
-      script.SetProgress(so_far / total_patch_size)
-      print "boot image changed; including."
-    else:
-      print "boot image unchanged; skipping."
-
-  system_items = ItemSet("system", "META/filesystem_config.txt")
-  if vendor_diff:
-    vendor_items = ItemSet("vendor", "META/vendor_filesystem_config.txt")
-
-  if updating_recovery:
-    # Recovery is generated as a patch using both the boot image
-    # (which contains the same linux kernel as recovery) and the file
-    # /system/etc/recovery-resource.dat (which contains all the images
-    # used in the recovery UI) as sources.  This lets us minimize the
-    # size of the patch, which must be included in every OTA package.
-    #
-    # For older builds where recovery-resource.dat is not present, we
-    # use only the boot image as the source.
-
-    if not target_has_recovery_patch:
-      def output_sink(fn, data):
-        common.ZipWriteStr(output_zip, "recovery/" + fn, data)
-        system_items.Get("system/" + fn, dir=False)
-
-      common.MakeRecoveryPatch(OPTIONS.target_tmp, output_sink,
-                               target_recovery, target_boot)
-      script.DeleteFiles(["/system/recovery-from-boot.p",
-                          "/system/etc/install-recovery.sh"])
-    print "recovery image changed; including as patch from boot."
-  else:
-    print "recovery image unchanged; skipping."
-
-  script.ShowProgress(0.1, 10)
-
-  target_symlinks = CopyPartitionFiles(system_items, target_zip, None)
-  if vendor_diff:
-    target_symlinks.extend(CopyPartitionFiles(vendor_items, target_zip, None))
-
-  temp_script = script.MakeTemporary()
-  system_items.GetMetadata(target_zip)
-  system_items.Get("system").SetPermissions(temp_script)
-  if vendor_diff:
-    vendor_items.GetMetadata(target_zip)
-    vendor_items.Get("vendor").SetPermissions(temp_script)
-
-  # Note that this call will mess up the trees of Items, so make sure
-  # we're done with them.
-  source_symlinks = CopyPartitionFiles(system_items, source_zip, None)
-  if vendor_diff:
-    source_symlinks.extend(CopyPartitionFiles(vendor_items, source_zip, None))
-
-  target_symlinks_d = dict([(i[1], i[0]) for i in target_symlinks])
-  source_symlinks_d = dict([(i[1], i[0]) for i in source_symlinks])
-
-  # Delete all the symlinks in source that aren't in target.  This
-  # needs to happen before verbatim files are unpacked, in case a
-  # symlink in the source is replaced by a real file in the target.
-  to_delete = []
-  for dest, link in source_symlinks:
-    if link not in target_symlinks_d:
-      to_delete.append(link)
-  script.DeleteFiles(to_delete)
-
-  if system_diff.verbatim_targets:
-    script.Print("Unpacking new system files...")
-    script.UnpackPackageDir("system", "/system")
-  if vendor_diff and vendor_diff.verbatim_targets:
-    script.Print("Unpacking new vendor files...")
-    script.UnpackPackageDir("vendor", "/vendor")
-
-  if updating_recovery and not target_has_recovery_patch:
-    script.Print("Unpacking new recovery...")
-    script.UnpackPackageDir("recovery", "/system")
-
-  system_diff.EmitRenames(script)
-  if vendor_diff:
-    vendor_diff.EmitRenames(script)
-
-  script.Print("Symlinks and permissions...")
-
-  # Create all the symlinks that don't already exist, or point to
-  # somewhere different than what we want.  Delete each symlink before
-  # creating it, since the 'symlink' command won't overwrite.
-  to_create = []
-  for dest, link in target_symlinks:
-    if link in source_symlinks_d:
-      if dest != source_symlinks_d[link]:
-        to_create.append((dest, link))
-    else:
-      to_create.append((dest, link))
-  script.DeleteFiles([i[1] for i in to_create])
-  script.MakeSymlinks(to_create)
-
-  # Now that the symlinks are created, we can set all the
-  # permissions.
-  script.AppendScript(temp_script)
-
-  # Do device-specific installation (eg, write radio image).
-  device_specific.IncrementalOTA_InstallEnd()
-
-  if OPTIONS.extra_script is not None:
-    script.AppendExtra(OPTIONS.extra_script)
-
-  # Patch the build.prop file last, so if something fails but the
-  # device can still come up, it appears to be the old build and will
-  # get set the OTA package again to retry.
-  script.Print("Patching remaining system files...")
-  system_diff.EmitDeferredPatches(script)
-
-  if OPTIONS.wipe_user_data:
-    script.Print("Erasing user data...")
-    script.FormatPartition("/data")
-
-  if OPTIONS.two_step:
-    script.AppendExtra("""
-set_stage("%(bcb_dev)s", "");
-endif;
-endif;
-""" % bcb_dev)
-
-  if OPTIONS.verify and system_diff:
-    script.Print("Remounting and verifying system partition files...")
-    script.Unmount("/system")
-    script.Mount("/system")
-    system_diff.EmitExplicitTargetVerification(script)
-
-  if OPTIONS.verify and vendor_diff:
-    script.Print("Remounting and verifying vendor partition files...")
-    script.Unmount("/vendor")
-    script.Mount("/vendor")
-    vendor_diff.EmitExplicitTargetVerification(script)
-  script.AddToZip(target_zip, output_zip, input_path=OPTIONS.updater_binary)
-
-  WriteMetadata(metadata, output_zip)
-
-
-def main(argv):
-
-  def option_handler(o, a):
-    if o == "--board_config":
-      pass   # deprecated
-    elif o in ("-k", "--package_key"):
-      OPTIONS.package_key = a
-    elif o in ("-i", "--incremental_from"):
-      OPTIONS.incremental_source = a
-    elif o in ("-w", "--wipe_user_data"):
-      OPTIONS.wipe_user_data = True
-    elif o in ("-n", "--no_prereq"):
-      OPTIONS.omit_prereq = True
-    elif o in ("-o", "--oem_settings"):
-      OPTIONS.oem_source = a
-    elif o in ("-e", "--extra_script"):
-      OPTIONS.extra_script = a
-    elif o in ("-a", "--aslr_mode"):
-      if a in ("on", "On", "true", "True", "yes", "Yes"):
-        OPTIONS.aslr_mode = True
-      else:
-        OPTIONS.aslr_mode = False
-    elif o in ("-t", "--worker_threads"):
-      if a.isdigit():
-        OPTIONS.worker_threads = int(a)
-      else:
-        raise ValueError("Cannot parse value %r for option %r - only "
-                         "integers are allowed." % (a, o))
-    elif o in ("-2", "--two_step"):
-      OPTIONS.two_step = True
-    elif o == "--no_signing":
-      OPTIONS.no_signing = True
-    elif o in ("--verify"):
-      OPTIONS.verify = True
-    elif o == "--block":
-      OPTIONS.block_based = True
-    elif o in ("-b", "--binary"):
-      OPTIONS.updater_binary = a
-    elif o in ("--no_fallback_to_full",):
-      OPTIONS.fallback_to_full = False
-    else:
-      return False
-    return True
-
-  args = common.ParseOptions(argv, __doc__,
-                             extra_opts="b:k:i:d:wne:t:a:2o:",
-                             extra_long_opts=["board_config=",
-                                              "package_key=",
-                                              "incremental_from=",
-                                              "wipe_user_data",
-                                              "no_prereq",
-                                              "extra_script=",
-                                              "worker_threads=",
-                                              "aslr_mode=",
-                                              "two_step",
-                                              "no_signing",
-                                              "block",
-                                              "binary=",
-                                              "oem_settings=",
-                                              "verify",
-                                              "no_fallback_to_full",
-                                              ],
-                             extra_option_handler=option_handler)
-
-  if len(args) != 2:
-    common.Usage(__doc__)
-    sys.exit(1)
-
-  if OPTIONS.extra_script is not None:
-    OPTIONS.extra_script = open(OPTIONS.extra_script).read()
-
-  print "unzipping target target-files..."
-  OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
-
-  OPTIONS.target_tmp = OPTIONS.input_tmp
-  OPTIONS.info_dict = common.LoadInfoDict(input_zip)
-
-  # If this image was originally labelled with SELinux contexts, make sure we
-  # also apply the labels in our new image. During building, the "file_contexts"
-  # is in the out/ directory tree, but for repacking from target-files.zip it's
-  # in the root directory of the ramdisk.
-  if "selinux_fc" in OPTIONS.info_dict:
-    OPTIONS.info_dict["selinux_fc"] = os.path.join(OPTIONS.input_tmp, "BOOT", "RAMDISK",
-        "file_contexts")
-
-  if OPTIONS.verbose:
-    print "--- target info ---"
-    common.DumpInfoDict(OPTIONS.info_dict)
-
-  # If the caller explicitly specified the device-specific extensions
-  # path via -s/--device_specific, use that.  Otherwise, use
-  # META/releasetools.py if it is present in the target target_files.
-  # Otherwise, take the path of the file from 'tool_extensions' in the
-  # info dict and look for that in the local filesystem, relative to
-  # the current directory.
-
-  if OPTIONS.device_specific is None:
-    from_input = os.path.join(OPTIONS.input_tmp, "META", "releasetools.py")
-    if os.path.exists(from_input):
-      print "(using device-specific extensions from target_files)"
-      OPTIONS.device_specific = from_input
-    else:
-      OPTIONS.device_specific = OPTIONS.info_dict.get("tool_extensions", None)
-
-  if OPTIONS.device_specific is not None:
-    OPTIONS.device_specific = os.path.abspath(OPTIONS.device_specific)
-
-  while True:
-
-    if OPTIONS.no_signing:
-      if os.path.exists(args[1]): os.unlink(args[1])
-      output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
-    else:
-      temp_zip_file = tempfile.NamedTemporaryFile()
-      output_zip = zipfile.ZipFile(temp_zip_file, "w",
-                                   compression=zipfile.ZIP_DEFLATED)
-
-    if OPTIONS.incremental_source is None:
-      WriteFullOTAPackage(input_zip, output_zip)
-      if OPTIONS.package_key is None:
-        OPTIONS.package_key = OPTIONS.info_dict.get(
-            "default_system_dev_certificate",
-            "build/target/product/security/testkey")
-      break
-
-    else:
-      print "unzipping source target-files..."
-      OPTIONS.source_tmp, source_zip = common.UnzipTemp(OPTIONS.incremental_source)
-      OPTIONS.target_info_dict = OPTIONS.info_dict
-      OPTIONS.source_info_dict = common.LoadInfoDict(source_zip)
-      if "selinux_fc" in OPTIONS.source_info_dict:
-        OPTIONS.source_info_dict["selinux_fc"] = os.path.join(OPTIONS.source_tmp, "BOOT", "RAMDISK",
-                                                              "file_contexts")
-      if OPTIONS.package_key is None:
-        OPTIONS.package_key = OPTIONS.source_info_dict.get(
-            "default_system_dev_certificate",
-            "build/target/product/security/testkey")
-      if OPTIONS.verbose:
-        print "--- source info ---"
-        common.DumpInfoDict(OPTIONS.source_info_dict)
-      try:
-        WriteIncrementalOTAPackage(input_zip, source_zip, output_zip)
-        break
-      except ValueError:
-        if not OPTIONS.fallback_to_full: raise
-        print "--- failed to build incremental; falling back to full ---"
-        OPTIONS.incremental_source = None
-        output_zip.close()
-
-  output_zip.close()
-
-  if not OPTIONS.no_signing:
-    SignOutput(temp_zip_file.name, args[1])
-    temp_zip_file.close()
-
-  print "done."
-
-
-if __name__ == '__main__':
-  try:
-    common.CloseInheritedPipes()
-    main(sys.argv[1:])
-  except common.ExternalError, e:
-    print
-    print "   ERROR: %s" % (e,)
-    print
-    sys.exit(1)
-  finally:
-    common.Cleanup()
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
new file mode 120000
index 000000000..6755a902f
--- /dev/null
+++ b/tools/releasetools/ota_from_target_files
@@ -0,0 +1 @@
+ota_from_target_files.py
\ No newline at end of file
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
new file mode 100755
index 000000000..4c54cec70
--- /dev/null
+++ b/tools/releasetools/ota_from_target_files.py
@@ -0,0 +1,2285 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Given a target-files zipfile, produces an OTA package that installs
+that build.  An incremental OTA is produced if -i is given, otherwise
+a full OTA is produced.
+
+Usage:  ota_from_target_files [flags] input_target_files output_ota_package
+
+  --board_config  <file>
+      Deprecated.
+
+  -k (--package_key) <key> Key to use to sign the package (default is
+      the value of default_system_dev_certificate from the input
+      target-files's META/misc_info.txt, or
+      "build/target/product/security/testkey" if that value is not
+      specified).
+
+      For incremental OTAs, the default value is based on the source
+      target-file, not the target build.
+
+  -i  (--incremental_from)  <file>
+      Generate an incremental OTA using the given target-files zip as
+      the starting build.
+
+  --full_radio
+      When generating an incremental OTA, always include a full copy of
+      radio image. This option is only meaningful when -i is specified,
+      because a full radio is always included in a full OTA if applicable.
+
+  --full_bootloader
+      Similar to --full_radio. When generating an incremental OTA, always
+      include a full copy of bootloader image.
+
+  -v  (--verify)
+      Remount and verify the checksums of the files written to the
+      system and vendor (if used) partitions.  Incremental builds only.
+
+  -o  (--oem_settings)  <file>
+      Use the file to specify the expected OEM-specific properties
+      on the OEM partition of the intended device.
+
+  --oem_no_mount
+      For devices with OEM-specific properties but without an OEM partition,
+      do not mount the OEM partition in the updater-script. This should be
+      very rarely used, since it's expected to have a dedicated OEM partition
+      for OEM-specific properties. Only meaningful when -o is specified.
+
+  -w  (--wipe_user_data)
+      Generate an OTA package that will wipe the user data partition
+      when installed.
+
+  -n  (--no_prereq)
+      Omit the timestamp prereq check normally included at the top of
+      the build scripts (used for developer OTA packages which
+      legitimately need to go back and forth).
+
+  --downgrade
+      Intentionally generate an incremental OTA that updates from a newer
+      build to an older one (based on timestamp comparison). "post-timestamp"
+      will be replaced by "ota-downgrade=yes" in the metadata file. A data
+      wipe will always be enforced, so "ota-wipe=yes" will also be included in
+      the metadata file. The update-binary in the source build will be used in
+      the OTA package, unless --binary flag is specified.
+
+  -e  (--extra_script)  <file>
+      Insert the contents of file at the end of the update script.
+
+  -a  (--aslr_mode)  <on|off>
+      Specify whether to turn on ASLR for the package (on by default).
+
+  -2  (--two_step)
+      Generate a 'two-step' OTA package, where recovery is updated
+      first, so that any changes made to the system partition are done
+      using the new recovery (new kernel, etc.).
+
+  --block
+      Generate a block-based OTA if possible.  Will fall back to a
+      file-based OTA if the target_files is older and doesn't support
+      block-based OTAs.
+
+  -b  (--binary)  <file>
+      Use the given binary as the update-binary in the output package,
+      instead of the binary in the build's target_files.  Use for
+      development only.
+
+  -t  (--worker_threads) <int>
+      Specifies the number of worker-threads that will be used when
+      generating patches for incremental updates (defaults to 3).
+
+  --stash_threshold <float>
+      Specifies the threshold that will be used to compute the maximum
+      allowed stash size (defaults to 0.8).
+
+  --gen_verify
+      Generate an OTA package that verifies the partitions.
+
+  --log_diff <file>
+      Generate a log file that shows the differences in the source and target
+      builds for an incremental package. This option is only meaningful when
+      -i is specified.
+
+  --payload_signer <signer>
+      Specify the signer when signing the payload and metadata for A/B OTAs.
+      By default (i.e. without this flag), it calls 'openssl pkeyutl' to sign
+      with the package private key. If the private key cannot be accessed
+      directly, a payload signer that knows how to do that should be specified.
+      The signer will be supplied with "-inkey <path_to_key>",
+      "-in <input_file>" and "-out <output_file>" parameters.
+
+  --payload_signer_args <args>
+      Specify the arguments needed for payload signer.
+
+  --backup <boolean>
+      Enable or disable the execution of backuptool.sh.
+      Disabled by default.
+"""
+
+import sys
+
+if sys.hexversion < 0x02070000:
+  print >> sys.stderr, "Python 2.7 or newer is required."
+  sys.exit(1)
+
+import multiprocessing
+import os
+import subprocess
+import shlex
+import tempfile
+import zipfile
+
+import common
+import edify_generator
+import sparse_img
+
+OPTIONS = common.OPTIONS
+OPTIONS.package_key = None
+OPTIONS.incremental_source = None
+OPTIONS.verify = False
+OPTIONS.require_verbatim = set()
+OPTIONS.prohibit_verbatim = set(("system/build.prop",))
+OPTIONS.patch_threshold = 0.95
+OPTIONS.wipe_user_data = False
+OPTIONS.omit_prereq = False
+OPTIONS.downgrade = False
+OPTIONS.extra_script = None
+OPTIONS.aslr_mode = True
+OPTIONS.worker_threads = multiprocessing.cpu_count() // 2
+if OPTIONS.worker_threads == 0:
+  OPTIONS.worker_threads = 1
+OPTIONS.two_step = False
+OPTIONS.no_signing = False
+OPTIONS.block_based = False
+OPTIONS.updater_binary = None
+OPTIONS.oem_source = None
+OPTIONS.oem_no_mount = False
+OPTIONS.fallback_to_full = True
+OPTIONS.full_radio = False
+OPTIONS.full_bootloader = False
+# Stash size cannot exceed cache_size * threshold.
+OPTIONS.cache_size = None
+OPTIONS.stash_threshold = 0.8
+OPTIONS.gen_verify = False
+OPTIONS.log_diff = None
+OPTIONS.payload_signer = None
+OPTIONS.payload_signer_args = []
+OPTIONS.backuptool = False
+OPTIONS.override_device = 'auto'
+
+def MostPopularKey(d, default):
+  """Given a dict, return the key corresponding to the largest
+  value.  Returns 'default' if the dict is empty."""
+  x = [(v, k) for (k, v) in d.iteritems()]
+  if not x:
+    return default
+  x.sort()
+  return x[-1][1]
+
+
+def IsSymlink(info):
+  """Return true if the zipfile.ZipInfo object passed in represents a
+  symlink."""
+  return (info.external_attr >> 16) & 0o770000 == 0o120000
+
+def IsRegular(info):
+  """Return true if the zipfile.ZipInfo object passed in represents a
+  regular file."""
+  return (info.external_attr >> 16) & 0o770000 == 0o100000
+
+def ClosestFileMatch(src, tgtfiles, existing):
+  """Returns the closest file match between a source file and list
+     of potential matches.  The exact filename match is preferred,
+     then the sha1 is searched for, and finally a file with the same
+     basename is evaluated.  Rename support in the updater-binary is
+     required for the latter checks to be used."""
+
+  result = tgtfiles.get("path:" + src.name)
+  if result is not None:
+    return result
+
+  if not OPTIONS.target_info_dict.get("update_rename_support", False):
+    return None
+
+  if src.size < 1000:
+    return None
+
+  result = tgtfiles.get("sha1:" + src.sha1)
+  if result is not None and existing.get(result.name) is None:
+    return result
+  result = tgtfiles.get("file:" + src.name.split("/")[-1])
+  if result is not None and existing.get(result.name) is None:
+    return result
+  return None
+
+class ItemSet(object):
+  def __init__(self, partition, fs_config):
+    self.partition = partition
+    self.fs_config = fs_config
+    self.ITEMS = {}
+
+  def Get(self, name, is_dir=False):
+    if name not in self.ITEMS:
+      self.ITEMS[name] = Item(self, name, is_dir=is_dir)
+    return self.ITEMS[name]
+
+  def GetMetadata(self, input_zip):
+    # The target_files contains a record of what the uid,
+    # gid, and mode are supposed to be.
+    output = input_zip.read(self.fs_config)
+
+    for line in output.split("\n"):
+      if not line:
+        continue
+      columns = line.split()
+      name, uid, gid, mode = columns[:4]
+      selabel = None
+      capabilities = None
+
+      # After the first 4 columns, there are a series of key=value
+      # pairs. Extract out the fields we care about.
+      for element in columns[4:]:
+        key, value = element.split("=")
+        if key == "selabel":
+          selabel = value
+        if key == "capabilities":
+          capabilities = value
+
+      i = self.ITEMS.get(name, None)
+      if i is not None:
+        i.uid = int(uid)
+        i.gid = int(gid)
+        i.mode = int(mode, 8)
+        i.selabel = selabel
+        i.capabilities = capabilities
+        if i.is_dir:
+          i.children.sort(key=lambda i: i.name)
+
+    # Set metadata for the files generated by this script. For full recovery
+    # image at system/etc/recovery.img, it will be taken care by fs_config.
+    i = self.ITEMS.get("system/recovery-from-boot.p", None)
+    if i:
+      i.uid, i.gid, i.mode, i.selabel, i.capabilities = 0, 0, 0o644, None, None
+    i = self.ITEMS.get("system/etc/install-recovery.sh", None)
+    if i:
+      i.uid, i.gid, i.mode, i.selabel, i.capabilities = 0, 0, 0o544, None, None
+
+
+class Item(object):
+  """Items represent the metadata (user, group, mode) of files and
+  directories in the system image."""
+  def __init__(self, itemset, name, is_dir=False):
+    self.itemset = itemset
+    self.name = name
+    self.uid = None
+    self.gid = None
+    self.mode = None
+    self.selabel = None
+    self.capabilities = None
+    self.is_dir = is_dir
+    self.descendants = None
+    self.best_subtree = None
+
+    if name:
+      self.parent = itemset.Get(os.path.dirname(name), is_dir=True)
+      self.parent.children.append(self)
+    else:
+      self.parent = None
+    if self.is_dir:
+      self.children = []
+
+  def Dump(self, indent=0):
+    if self.uid is not None:
+      print "%s%s %d %d %o" % (
+          "  " * indent, self.name, self.uid, self.gid, self.mode)
+    else:
+      print "%s%s %s %s %s" % (
+          "  " * indent, self.name, self.uid, self.gid, self.mode)
+    if self.is_dir:
+      print "%s%s" % ("  "*indent, self.descendants)
+      print "%s%s" % ("  "*indent, self.best_subtree)
+      for i in self.children:
+        i.Dump(indent=indent+1)
+
+  def CountChildMetadata(self):
+    """Count up the (uid, gid, mode, selabel, capabilities) tuples for
+    all children and determine the best strategy for using set_perm_recursive
+    and set_perm to correctly chown/chmod all the files to their desired
+    values.  Recursively calls itself for all descendants.
+
+    Returns a dict of {(uid, gid, dmode, fmode, selabel, capabilities): count}
+    counting up all descendants of this node.  (dmode or fmode may be None.)
+    Also sets the best_subtree of each directory Item to the (uid, gid, dmode,
+    fmode, selabel, capabilities) tuple that will match the most descendants of
+    that Item.
+    """
+
+    assert self.is_dir
+    key = (self.uid, self.gid, self.mode, None, self.selabel,
+           self.capabilities)
+    self.descendants = {key: 1}
+    d = self.descendants
+    for i in self.children:
+      if i.is_dir:
+        for k, v in i.CountChildMetadata().iteritems():
+          d[k] = d.get(k, 0) + v
+      else:
+        k = (i.uid, i.gid, None, i.mode, i.selabel, i.capabilities)
+        d[k] = d.get(k, 0) + 1
+
+    # Find the (uid, gid, dmode, fmode, selabel, capabilities)
+    # tuple that matches the most descendants.
+
+    # First, find the (uid, gid) pair that matches the most
+    # descendants.
+    ug = {}
+    for (uid, gid, _, _, _, _), count in d.iteritems():
+      ug[(uid, gid)] = ug.get((uid, gid), 0) + count
+    ug = MostPopularKey(ug, (0, 0))
+
+    # Now find the dmode, fmode, selabel, and capabilities that match
+    # the most descendants with that (uid, gid), and choose those.
+    best_dmode = (0, 0o755)
+    best_fmode = (0, 0o644)
+    best_selabel = (0, None)
+    best_capabilities = (0, None)
+    for k, count in d.iteritems():
+      if k[:2] != ug:
+        continue
+      if k[2] is not None and count >= best_dmode[0]:
+        best_dmode = (count, k[2])
+      if k[3] is not None and count >= best_fmode[0]:
+        best_fmode = (count, k[3])
+      if k[4] is not None and count >= best_selabel[0]:
+        best_selabel = (count, k[4])
+      if k[5] is not None and count >= best_capabilities[0]:
+        best_capabilities = (count, k[5])
+    self.best_subtree = ug + (
+        best_dmode[1], best_fmode[1], best_selabel[1], best_capabilities[1])
+
+    return d
+
+  def SetPermissions(self, script):
+    """Append set_perm/set_perm_recursive commands to 'script' to
+    set all permissions, users, and groups for the tree of files
+    rooted at 'self'."""
+
+    self.CountChildMetadata()
+
+    def recurse(item, current):
+      # current is the (uid, gid, dmode, fmode, selabel, capabilities) tuple
+      # that the current item (and all its children) have already been set to.
+      # We only need to issue set_perm/set_perm_recursive commands if we're
+      # supposed to be something different.
+      if item.is_dir:
+        if current != item.best_subtree:
+          script.SetPermissionsRecursive("/"+item.name, *item.best_subtree)
+          current = item.best_subtree
+
+        if item.uid != current[0] or item.gid != current[1] or \
+           item.mode != current[2] or item.selabel != current[4] or \
+           item.capabilities != current[5]:
+          script.SetPermissions("/"+item.name, item.uid, item.gid,
+                                item.mode, item.selabel, item.capabilities)
+
+        for i in item.children:
+          recurse(i, current)
+      else:
+        if item.uid != current[0] or item.gid != current[1] or \
+               item.mode != current[3] or item.selabel != current[4] or \
+               item.capabilities != current[5]:
+          script.SetPermissions("/"+item.name, item.uid, item.gid,
+                                item.mode, item.selabel, item.capabilities)
+
+    recurse(self, (-1, -1, -1, -1, None, None))
+
+
+def CopyPartitionFiles(itemset, input_zip, output_zip=None, substitute=None):
+  """Copies files for the partition in the input zip to the output
+  zip.  Populates the Item class with their metadata, and returns a
+  list of symlinks.  output_zip may be None, in which case the copy is
+  skipped (but the other side effects still happen).  substitute is an
+  optional dict of {output filename: contents} to be output instead of
+  certain input files.
+  """
+
+  symlinks = []
+
+  partition = itemset.partition
+
+  for info in input_zip.infolist():
+    prefix = partition.upper() + "/"
+    if info.filename.startswith(prefix):
+      basefilename = info.filename[len(prefix):]
+      if IsSymlink(info):
+        symlinks.append((input_zip.read(info.filename),
+                         "/" + partition + "/" + basefilename))
+      else:
+        import copy
+        info2 = copy.copy(info)
+        fn = info2.filename = partition + "/" + basefilename
+        if substitute and fn in substitute and substitute[fn] is None:
+          continue
+        if output_zip is not None:
+          if substitute and fn in substitute:
+            data = substitute[fn]
+          else:
+            data = input_zip.read(info.filename)
+          common.ZipWriteStr(output_zip, info2, data)
+        if fn.endswith("/"):
+          itemset.Get(fn[:-1], is_dir=True)
+        else:
+          itemset.Get(fn)
+
+  symlinks.sort()
+  return symlinks
+
+
+def SignOutput(temp_zip_name, output_zip_name):
+  key_passwords = common.GetKeyPasswords([OPTIONS.package_key])
+  pw = key_passwords[OPTIONS.package_key]
+
+  common.SignFile(temp_zip_name, output_zip_name, OPTIONS.package_key, pw,
+                  whole_file=True)
+
+
+def AppendAssertions(script, info_dict, oem_dict=None):
+  oem_props = info_dict.get("oem_fingerprint_properties")
+  if oem_props is None or len(oem_props) == 0:
+    if OPTIONS.override_device == "auto":
+      device = GetBuildProp("ro.product.device", info_dict)
+    else:
+      device = OPTIONS.override_device
+    script.AssertDevice(device)
+  else:
+    if oem_dict is None:
+      raise common.ExternalError(
+          "No OEM file provided to answer expected assertions")
+    for prop in oem_props.split():
+      if oem_dict.get(prop) is None:
+        raise common.ExternalError(
+            "The OEM file is missing the property %s" % prop)
+      script.AssertOemProperty(prop, oem_dict.get(prop))
+
+
+def _WriteRecoveryImageToBoot(script, output_zip):
+  """Find and write recovery image to /boot in two-step OTA.
+
+  In two-step OTAs, we write recovery image to /boot as the first step so that
+  we can reboot to there and install a new recovery image to /recovery.
+  A special "recovery-two-step.img" will be preferred, which encodes the correct
+  path of "/boot". Otherwise the device may show "device is corrupt" message
+  when booting into /boot.
+
+  Fall back to using the regular recovery.img if the two-step recovery image
+  doesn't exist. Note that rebuilding the special image at this point may be
+  infeasible, because we don't have the desired boot signer and keys when
+  calling ota_from_target_files.py.
+  """
+
+  recovery_two_step_img_name = "recovery-two-step.img"
+  recovery_two_step_img_path = os.path.join(
+      OPTIONS.input_tmp, "IMAGES", recovery_two_step_img_name)
+  if os.path.exists(recovery_two_step_img_path):
+    recovery_two_step_img = common.GetBootableImage(
+        recovery_two_step_img_name, recovery_two_step_img_name,
+        OPTIONS.input_tmp, "RECOVERY")
+    common.ZipWriteStr(
+        output_zip, recovery_two_step_img_name, recovery_two_step_img.data)
+    print "two-step package: using %s in stage 1/3" % (
+        recovery_two_step_img_name,)
+    script.WriteRawImage("/boot", recovery_two_step_img_name)
+  else:
+    print "two-step package: using recovery.img in stage 1/3"
+    # The "recovery.img" entry has been written into package earlier.
+    script.WriteRawImage("/boot", "recovery.img")
+
+
+def HasRecoveryPatch(target_files_zip):
+  namelist = [name for name in target_files_zip.namelist()]
+  return ("SYSTEM/recovery-from-boot.p" in namelist or
+          "SYSTEM/etc/recovery.img" in namelist)
+
+def HasVendorPartition(target_files_zip):
+  try:
+    target_files_zip.getinfo("VENDOR/")
+    return True
+  except KeyError:
+    return False
+
+def GetOemProperty(name, oem_props, oem_dict, info_dict):
+  if oem_props is not None and name in oem_props:
+    return oem_dict[name]
+  return GetBuildProp(name, info_dict)
+
+
+def CalculateFingerprint(oem_props, oem_dict, info_dict):
+  if oem_props is None:
+    return GetBuildProp("ro.build.fingerprint", info_dict)
+  return "%s/%s/%s:%s" % (
+      GetOemProperty("ro.product.brand", oem_props, oem_dict, info_dict),
+      GetOemProperty("ro.product.name", oem_props, oem_dict, info_dict),
+      GetOemProperty("ro.product.device", oem_props, oem_dict, info_dict),
+      GetBuildProp("ro.build.thumbprint", info_dict))
+
+
+def GetImage(which, tmpdir, info_dict):
+  # Return an image object (suitable for passing to BlockImageDiff)
+  # for the 'which' partition (most be "system" or "vendor").  If a
+  # prebuilt image and file map are found in tmpdir they are used,
+  # otherwise they are reconstructed from the individual files.
+
+  assert which in ("system", "vendor")
+
+  path = os.path.join(tmpdir, "IMAGES", which + ".img")
+  mappath = os.path.join(tmpdir, "IMAGES", which + ".map")
+  if os.path.exists(path) and os.path.exists(mappath):
+    print "using %s.img from target-files" % (which,)
+    # This is a 'new' target-files, which already has the image in it.
+
+  else:
+    print "building %s.img from target-files" % (which,)
+
+    # This is an 'old' target-files, which does not contain images
+    # already built.  Build them.
+
+    mappath = tempfile.mkstemp()[1]
+    OPTIONS.tempfiles.append(mappath)
+
+    import add_img_to_target_files
+    if which == "system":
+      path = add_img_to_target_files.BuildSystem(
+          tmpdir, info_dict, block_list=mappath)
+    elif which == "vendor":
+      path = add_img_to_target_files.BuildVendor(
+          tmpdir, info_dict, block_list=mappath)
+
+  # Bug: http://b/20939131
+  # In ext4 filesystems, block 0 might be changed even being mounted
+  # R/O. We add it to clobbered_blocks so that it will be written to the
+  # target unconditionally. Note that they are still part of care_map.
+  clobbered_blocks = "0"
+
+  return sparse_img.SparseImage(path, mappath, clobbered_blocks)
+
+
+def CopyInstallTools(output_zip):
+  install_path = os.path.join(OPTIONS.input_tmp, "INSTALL")
+  for root, subdirs, files in os.walk(install_path):
+     for f in files:
+      install_source = os.path.join(root, f)
+      install_target = os.path.join("install", os.path.relpath(root, install_path), f)
+      output_zip.write(install_source, install_target)
+
+
+def WriteFullOTAPackage(input_zip, output_zip):
+  # TODO: how to determine this?  We don't know what version it will
+  # be installed on top of. For now, we expect the API just won't
+  # change very often. Similarly for fstab, it might have changed
+  # in the target build.
+  script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict)
+
+  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
+  recovery_mount_options = OPTIONS.info_dict.get("recovery_mount_options")
+  oem_dict = None
+  if oem_props is not None and len(oem_props) > 0:
+    if OPTIONS.oem_source is None:
+      raise common.ExternalError("OEM source required for this build")
+    if not OPTIONS.oem_no_mount:
+      script.Mount("/oem", recovery_mount_options)
+    oem_dict = common.LoadDictionaryFromLines(
+        open(OPTIONS.oem_source).readlines())
+
+  metadata = {
+      "post-build": CalculateFingerprint(oem_props, oem_dict,
+                                         OPTIONS.info_dict),
+      "pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
+                                   OPTIONS.info_dict),
+      "post-timestamp": GetBuildProp("ro.build.date.utc", OPTIONS.info_dict),
+  }
+
+  device_specific = common.DeviceSpecificParams(
+      input_zip=input_zip,
+      input_version=OPTIONS.info_dict["recovery_api_version"],
+      output_zip=output_zip,
+      script=script,
+      input_tmp=OPTIONS.input_tmp,
+      metadata=metadata,
+      info_dict=OPTIONS.info_dict)
+
+  has_recovery_patch = HasRecoveryPatch(input_zip)
+  block_based = OPTIONS.block_based and has_recovery_patch
+
+  metadata["ota-type"] = "BLOCK" if block_based else "FILE"
+
+  #if not OPTIONS.omit_prereq:
+  #  ts = GetBuildProp("ro.build.date.utc", OPTIONS.info_dict)
+  #  ts_text = GetBuildProp("ro.build.date", OPTIONS.info_dict)
+  #  script.AssertOlderBuild(ts, ts_text)
+
+  AppendAssertions(script, OPTIONS.info_dict, oem_dict)
+  device_specific.FullOTA_Assertions()
+
+  # Two-step package strategy (in chronological order, which is *not*
+  # the order in which the generated script has things):
+  #
+  # if stage is not "2/3" or "3/3":
+  #    write recovery image to boot partition
+  #    set stage to "2/3"
+  #    reboot to boot partition and restart recovery
+  # else if stage is "2/3":
+  #    write recovery image to recovery partition
+  #    set stage to "3/3"
+  #    reboot to recovery partition and restart recovery
+  # else:
+  #    (stage must be "3/3")
+  #    set stage to ""
+  #    do normal full package installation:
+  #       wipe and install system, boot image, etc.
+  #       set up system to update recovery partition on first boot
+  #    complete script normally
+  #    (allow recovery to mark itself finished and reboot)
+
+  recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
+                                         OPTIONS.input_tmp, "RECOVERY")
+  if OPTIONS.two_step:
+    if not OPTIONS.info_dict.get("multistage_support", None):
+      assert False, "two-step packages not supported by this build"
+    fs = OPTIONS.info_dict["fstab"]["/misc"]
+    assert fs.fs_type.upper() == "EMMC", \
+        "two-step packages only supported on devices with EMMC /misc partitions"
+    bcb_dev = {"bcb_dev": fs.device}
+    common.ZipWriteStr(output_zip, "recovery.img", recovery_img.data)
+    script.AppendExtra("""
+if get_stage("%(bcb_dev)s") == "2/3" then
+""" % bcb_dev)
+
+    # Stage 2/3: Write recovery image to /recovery (currently running /boot).
+    script.Comment("Stage 2/3")
+    script.WriteRawImage("/recovery", "recovery.img")
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "3/3");
+reboot_now("%(bcb_dev)s", "recovery");
+else if get_stage("%(bcb_dev)s") == "3/3" then
+""" % bcb_dev)
+
+    # Stage 3/3: Make changes.
+    script.Comment("Stage 3/3")
+
+  # Dump fingerprints
+  script.Print("Target: %s" % CalculateFingerprint(
+      oem_props, oem_dict, OPTIONS.info_dict))
+
+  script.AppendExtra("ifelse(is_mounted(\"/system\"), unmount(\"/system\"));")
+  device_specific.FullOTA_InstallBegin()
+
+  CopyInstallTools(output_zip)
+  script.UnpackPackageDir("install", "/tmp/install")
+  script.SetPermissionsRecursive("/tmp/install", 0, 0, 0755, 0644, None, None)
+  script.SetPermissionsRecursive("/tmp/install/bin", 0, 0, 0755, 0755, None, None)
+
+  if OPTIONS.backuptool:
+    script.Mount("/system")
+    script.RunBackup("backup")
+    script.Unmount("/system")
+
+  system_progress = 0.75
+
+  if OPTIONS.wipe_user_data:
+    system_progress -= 0.1
+  if HasVendorPartition(input_zip):
+    system_progress -= 0.1
+
+  if not OPTIONS.wipe_user_data:
+    script.AppendExtra("if is_mounted(\"/data\") then")
+    script.ValidateSignatures("data")
+    script.AppendExtra("else")
+    script.Mount("/data")
+    script.ValidateSignatures("data")
+    script.Unmount("/data")
+    script.AppendExtra("endif;")
+
+  # Place a copy of file_contexts.bin into the OTA package which will be used
+  # by the recovery program.
+  if "selinux_fc" in OPTIONS.info_dict:
+    WritePolicyConfig(OPTIONS.info_dict["selinux_fc"], output_zip)
+
+  recovery_mount_options = OPTIONS.info_dict.get("recovery_mount_options")
+
+  system_items = ItemSet("system", "META/filesystem_config.txt")
+  script.ShowProgress(system_progress, 0)
+
+  if block_based:
+    # Full OTA is done as an "incremental" against an empty source
+    # image.  This has the effect of writing new data from the package
+    # to the entire partition, but lets us reuse the updater code that
+    # writes incrementals to do it.
+    system_tgt = GetImage("system", OPTIONS.input_tmp, OPTIONS.info_dict)
+    system_tgt.ResetFileMap()
+    system_diff = common.BlockDifference("system", system_tgt, src=None)
+    system_diff.WriteScript(script, output_zip)
+  else:
+    script.FormatPartition("/system")
+    script.Mount("/system", recovery_mount_options)
+    if not has_recovery_patch:
+      script.UnpackPackageDir("recovery", "/system")
+    script.UnpackPackageDir("system", "/system")
+
+    symlinks = CopyPartitionFiles(system_items, input_zip, output_zip)
+    script.MakeSymlinks(symlinks)
+
+  boot_img = common.GetBootableImage(
+      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+
+  if not block_based:
+    def output_sink(fn, data):
+      common.ZipWriteStr(output_zip, "recovery/" + fn, data)
+      system_items.Get("system/" + fn)
+
+    common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink,
+                             recovery_img, boot_img)
+
+    system_items.GetMetadata(input_zip)
+    system_items.Get("system").SetPermissions(script)
+
+  if HasVendorPartition(input_zip):
+    vendor_items = ItemSet("vendor", "META/vendor_filesystem_config.txt")
+    script.ShowProgress(0.1, 0)
+
+    if block_based:
+      vendor_tgt = GetImage("vendor", OPTIONS.input_tmp, OPTIONS.info_dict)
+      vendor_tgt.ResetFileMap()
+      vendor_diff = common.BlockDifference("vendor", vendor_tgt)
+      vendor_diff.WriteScript(script, output_zip)
+    else:
+      script.FormatPartition("/vendor")
+      script.Mount("/vendor", recovery_mount_options)
+      script.UnpackPackageDir("vendor", "/vendor")
+
+      symlinks = CopyPartitionFiles(vendor_items, input_zip, output_zip)
+      script.MakeSymlinks(symlinks)
+
+      vendor_items.GetMetadata(input_zip)
+      vendor_items.Get("vendor").SetPermissions(script)
+
+  common.CheckSize(boot_img.data, "boot.img", OPTIONS.info_dict)
+  common.ZipWriteStr(output_zip, "boot.img", boot_img.data)
+
+  device_specific.FullOTA_PostValidate()
+
+  if OPTIONS.backuptool:
+    script.ShowProgress(0.02, 10)
+    if block_based:
+      script.Mount("/system")
+    script.RunBackup("restore")
+    if block_based:
+      script.Unmount("/system")
+
+  script.ShowProgress(0.05, 5)
+  script.WriteRawImage("/boot", "boot.img")
+
+  script.ShowProgress(0.2, 10)
+  device_specific.FullOTA_InstallEnd()
+
+  if OPTIONS.extra_script is not None:
+    script.AppendExtra(OPTIONS.extra_script)
+
+  script.UnmountAll()
+
+  if OPTIONS.wipe_user_data:
+    script.ShowProgress(0.1, 10)
+    script.FormatPartition("/data")
+
+  if OPTIONS.two_step:
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "");
+""" % bcb_dev)
+    script.AppendExtra("else\n")
+
+    # Stage 1/3: Nothing to verify for full OTA. Write recovery image to /boot.
+    script.Comment("Stage 1/3")
+    _WriteRecoveryImageToBoot(script, output_zip)
+
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "2/3");
+reboot_now("%(bcb_dev)s", "");
+endif;
+endif;
+""" % bcb_dev)
+
+  script.SetProgress(1)
+  script.AddToZip(input_zip, output_zip, input_path=OPTIONS.updater_binary)
+  metadata["ota-required-cache"] = str(script.required_cache)
+  WriteMetadata(metadata, output_zip)
+
+  common.ZipWriteStr(output_zip, "system/build.prop",
+                     ""+input_zip.read("SYSTEM/build.prop"))
+
+  common.ZipWriteStr(output_zip, "META-INF/org/lineageos/releasekey",
+                     ""+input_zip.read("META/releasekey.txt"))
+
+def WritePolicyConfig(file_name, output_zip):
+  common.ZipWrite(output_zip, file_name, os.path.basename(file_name))
+
+
+def WriteMetadata(metadata, output_zip):
+  common.ZipWriteStr(output_zip, "META-INF/com/android/metadata",
+                     "".join(["%s=%s\n" % kv
+                              for kv in sorted(metadata.iteritems())]))
+
+
+def LoadPartitionFiles(z, partition):
+  """Load all the files from the given partition in a given target-files
+  ZipFile, and return a dict of {filename: File object}."""
+  out = {}
+  prefix = partition.upper() + "/"
+  for info in z.infolist():
+    if info.filename.startswith(prefix) and not IsSymlink(info):
+      basefilename = info.filename[len(prefix):]
+      fn = partition + "/" + basefilename
+      data = z.read(info.filename)
+      out[fn] = common.File(fn, data)
+  return out
+
+
+def GetBuildProp(prop, info_dict):
+  """Return the fingerprint of the build of a given target-files info_dict."""
+  try:
+    return info_dict.get("build.prop", {})[prop]
+  except KeyError:
+    raise common.ExternalError("couldn't find %s in build.prop" % (prop,))
+
+
+def AddToKnownPaths(filename, known_paths):
+  if filename[-1] == "/":
+    return
+  dirs = filename.split("/")[:-1]
+  while len(dirs) > 0:
+    path = "/".join(dirs)
+    if path in known_paths:
+      break
+    known_paths.add(path)
+    dirs.pop()
+
+
+def WriteBlockIncrementalOTAPackage(target_zip, source_zip, output_zip):
+  # TODO(tbao): We should factor out the common parts between
+  # WriteBlockIncrementalOTAPackage() and WriteIncrementalOTAPackage().
+  source_version = OPTIONS.source_info_dict["recovery_api_version"]
+  target_version = OPTIONS.target_info_dict["recovery_api_version"]
+
+  if source_version == 0:
+    print ("WARNING: generating edify script for a source that "
+           "can't install it.")
+  script = edify_generator.EdifyGenerator(
+      source_version, OPTIONS.target_info_dict,
+      fstab=OPTIONS.source_info_dict["fstab"])
+
+  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
+  recovery_mount_options = OPTIONS.source_info_dict.get(
+      "recovery_mount_options")
+  oem_dict = None
+  if oem_props is not None and len(oem_props) > 0:
+    if OPTIONS.oem_source is None:
+      raise common.ExternalError("OEM source required for this build")
+    if not OPTIONS.oem_no_mount:
+      script.Mount("/oem", recovery_mount_options)
+    oem_dict = common.LoadDictionaryFromLines(
+        open(OPTIONS.oem_source).readlines())
+
+  metadata = {
+      "pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
+                                   OPTIONS.source_info_dict),
+      "ota-type": "BLOCK",
+  }
+
+  post_timestamp = GetBuildProp("ro.build.date.utc", OPTIONS.target_info_dict)
+  pre_timestamp = GetBuildProp("ro.build.date.utc", OPTIONS.source_info_dict)
+  is_downgrade = long(post_timestamp) < long(pre_timestamp)
+
+  if OPTIONS.downgrade:
+    metadata["ota-downgrade"] = "yes"
+    if not is_downgrade:
+      raise RuntimeError("--downgrade specified but no downgrade detected: "
+                         "pre: %s, post: %s" % (pre_timestamp, post_timestamp))
+  else:
+    if is_downgrade:
+      # Non-fatal here to allow generating such a package which may require
+      # manual work to adjust the post-timestamp. A legit use case is that we
+      # cut a new build C (after having A and B), but want to enfore the
+      # update path of A -> C -> B. Specifying --downgrade may not help since
+      # that would enforce a data wipe for C -> B update.
+      print("\nWARNING: downgrade detected: pre: %s, post: %s.\n"
+            "The package may not be deployed properly. "
+            "Try --downgrade?\n" % (pre_timestamp, post_timestamp))
+    metadata["post-timestamp"] = post_timestamp
+
+  device_specific = common.DeviceSpecificParams(
+      source_zip=source_zip,
+      source_version=source_version,
+      target_zip=target_zip,
+      input_zip=target_zip,
+      target_version=target_version,
+      input_version=target_version,
+      output_zip=output_zip,
+      script=script,
+      metadata=metadata,
+      info_dict=OPTIONS.source_info_dict)
+
+  source_fp = CalculateFingerprint(oem_props, oem_dict,
+                                   OPTIONS.source_info_dict)
+  target_fp = CalculateFingerprint(oem_props, oem_dict,
+                                   OPTIONS.target_info_dict)
+  metadata["pre-build"] = source_fp
+  metadata["post-build"] = target_fp
+  metadata["pre-build-incremental"] = GetBuildProp(
+      "ro.build.version.incremental", OPTIONS.source_info_dict)
+  metadata["post-build-incremental"] = GetBuildProp(
+      "ro.build.version.incremental", OPTIONS.target_info_dict)
+
+  source_boot = common.GetBootableImage(
+      "/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT",
+      OPTIONS.source_info_dict)
+  target_boot = common.GetBootableImage(
+      "/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT")
+  updating_boot = (not OPTIONS.two_step and
+                   (source_boot.data != target_boot.data))
+
+  target_recovery = common.GetBootableImage(
+      "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
+
+  system_src = GetImage("system", OPTIONS.source_tmp, OPTIONS.source_info_dict)
+  system_tgt = GetImage("system", OPTIONS.target_tmp, OPTIONS.target_info_dict)
+
+  blockimgdiff_version = 1
+  if OPTIONS.info_dict:
+    blockimgdiff_version = max(
+        int(i) for i in
+        OPTIONS.info_dict.get("blockimgdiff_versions", "1").split(","))
+
+  # Check the first block of the source system partition for remount R/W only
+  # if the filesystem is ext4.
+  system_src_partition = OPTIONS.source_info_dict["fstab"]["/system"]
+  check_first_block = system_src_partition.fs_type == "ext4"
+  # Disable using imgdiff for squashfs. 'imgdiff -z' expects input files to be
+  # in zip formats. However with squashfs, a) all files are compressed in LZ4;
+  # b) the blocks listed in block map may not contain all the bytes for a given
+  # file (because they're rounded to be 4K-aligned).
+  system_tgt_partition = OPTIONS.target_info_dict["fstab"]["/system"]
+  disable_imgdiff = (system_src_partition.fs_type == "squashfs" or
+                     system_tgt_partition.fs_type == "squashfs")
+  system_diff = common.BlockDifference("system", system_tgt, system_src,
+                                       check_first_block,
+                                       version=blockimgdiff_version,
+                                       disable_imgdiff=disable_imgdiff)
+
+  if HasVendorPartition(target_zip):
+    if not HasVendorPartition(source_zip):
+      raise RuntimeError("can't generate incremental that adds /vendor")
+    vendor_src = GetImage("vendor", OPTIONS.source_tmp,
+                          OPTIONS.source_info_dict)
+    vendor_tgt = GetImage("vendor", OPTIONS.target_tmp,
+                          OPTIONS.target_info_dict)
+
+    # Check first block of vendor partition for remount R/W only if
+    # disk type is ext4
+    vendor_partition = OPTIONS.source_info_dict["fstab"]["/vendor"]
+    check_first_block = vendor_partition.fs_type == "ext4"
+    disable_imgdiff = vendor_partition.fs_type == "squashfs"
+    vendor_diff = common.BlockDifference("vendor", vendor_tgt, vendor_src,
+                                         check_first_block,
+                                         version=blockimgdiff_version,
+                                         disable_imgdiff=disable_imgdiff)
+  else:
+    vendor_diff = None
+
+  AppendAssertions(script, OPTIONS.target_info_dict, oem_dict)
+  device_specific.IncrementalOTA_Assertions()
+
+  # Two-step incremental package strategy (in chronological order,
+  # which is *not* the order in which the generated script has
+  # things):
+  #
+  # if stage is not "2/3" or "3/3":
+  #    do verification on current system
+  #    write recovery image to boot partition
+  #    set stage to "2/3"
+  #    reboot to boot partition and restart recovery
+  # else if stage is "2/3":
+  #    write recovery image to recovery partition
+  #    set stage to "3/3"
+  #    reboot to recovery partition and restart recovery
+  # else:
+  #    (stage must be "3/3")
+  #    perform update:
+  #       patch system files, etc.
+  #       force full install of new boot image
+  #       set up system to update recovery partition on first boot
+  #    complete script normally
+  #    (allow recovery to mark itself finished and reboot)
+
+  if OPTIONS.two_step:
+    if not OPTIONS.source_info_dict.get("multistage_support", None):
+      assert False, "two-step packages not supported by this build"
+    fs = OPTIONS.source_info_dict["fstab"]["/misc"]
+    assert fs.fs_type.upper() == "EMMC", \
+        "two-step packages only supported on devices with EMMC /misc partitions"
+    bcb_dev = {"bcb_dev": fs.device}
+    common.ZipWriteStr(output_zip, "recovery.img", target_recovery.data)
+    script.AppendExtra("""
+if get_stage("%(bcb_dev)s") == "2/3" then
+""" % bcb_dev)
+
+    # Stage 2/3: Write recovery image to /recovery (currently running /boot).
+    script.Comment("Stage 2/3")
+    script.AppendExtra("sleep(20);\n")
+    script.WriteRawImage("/recovery", "recovery.img")
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "3/3");
+reboot_now("%(bcb_dev)s", "recovery");
+else if get_stage("%(bcb_dev)s") != "3/3" then
+""" % bcb_dev)
+
+    # Stage 1/3: (a) Verify the current system.
+    script.Comment("Stage 1/3")
+
+  # Dump fingerprints
+  script.Print("Source: %s" % CalculateFingerprint(
+      oem_props, oem_dict, OPTIONS.source_info_dict))
+  script.Print("Target: %s" % CalculateFingerprint(
+      oem_props, oem_dict, OPTIONS.target_info_dict))
+
+  script.Print("Verifying current system...")
+
+  device_specific.IncrementalOTA_VerifyBegin()
+
+  if oem_props is None:
+    # When blockimgdiff version is less than 3 (non-resumable block-based OTA),
+    # patching on a device that's already on the target build will damage the
+    # system. Because operations like move don't check the block state, they
+    # always apply the changes unconditionally.
+    if blockimgdiff_version <= 2:
+      script.AssertSomeFingerprint(source_fp)
+    else:
+      script.AssertSomeFingerprint(source_fp, target_fp)
+  else:
+    if blockimgdiff_version <= 2:
+      script.AssertSomeThumbprint(
+          GetBuildProp("ro.build.thumbprint", OPTIONS.source_info_dict))
+    else:
+      script.AssertSomeThumbprint(
+          GetBuildProp("ro.build.thumbprint", OPTIONS.target_info_dict),
+          GetBuildProp("ro.build.thumbprint", OPTIONS.source_info_dict))
+
+  # Check the required cache size (i.e. stashed blocks).
+  size = []
+  if system_diff:
+    size.append(system_diff.required_cache)
+  if vendor_diff:
+    size.append(vendor_diff.required_cache)
+
+  if updating_boot:
+    boot_type, boot_device = common.GetTypeAndDevice(
+        "/boot", OPTIONS.source_info_dict)
+    d = common.Difference(target_boot, source_boot)
+    _, _, d = d.ComputePatch()
+    if d is None:
+      include_full_boot = True
+      common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
+    else:
+      include_full_boot = False
+
+      print "boot      target: %d  source: %d  diff: %d" % (
+          target_boot.size, source_boot.size, len(d))
+
+      common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
+
+      script.PatchCheck("%s:%s:%d:%s:%d:%s" %
+                        (boot_type, boot_device,
+                         source_boot.size, source_boot.sha1,
+                         target_boot.size, target_boot.sha1))
+      size.append(target_boot.size)
+
+  if size:
+    script.CacheFreeSpaceCheck(max(size))
+
+  device_specific.IncrementalOTA_VerifyEnd()
+
+  if OPTIONS.two_step:
+    # Stage 1/3: (b) Write recovery image to /boot.
+    _WriteRecoveryImageToBoot(script, output_zip)
+
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "2/3");
+reboot_now("%(bcb_dev)s", "");
+else
+""" % bcb_dev)
+
+    # Stage 3/3: Make changes.
+    script.Comment("Stage 3/3")
+
+  # Verify the existing partitions.
+  system_diff.WriteVerifyScript(script, touched_blocks_only=True)
+  if vendor_diff:
+    vendor_diff.WriteVerifyScript(script, touched_blocks_only=True)
+
+  script.Comment("---- start making changes here ----")
+
+  device_specific.IncrementalOTA_InstallBegin()
+
+  system_diff.WriteScript(script, output_zip,
+                          progress=0.8 if vendor_diff else 0.9)
+
+  if vendor_diff:
+    vendor_diff.WriteScript(script, output_zip, progress=0.1)
+
+  if OPTIONS.two_step:
+    common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
+    script.WriteRawImage("/boot", "boot.img")
+    print "writing full boot image (forced by two-step mode)"
+
+  if not OPTIONS.two_step:
+    if updating_boot:
+      if include_full_boot:
+        print "boot image changed; including full."
+        script.Print("Installing boot image...")
+        script.WriteRawImage("/boot", "boot.img")
+      else:
+        # Produce the boot image by applying a patch to the current
+        # contents of the boot partition, and write it back to the
+        # partition.
+        print "boot image changed; including patch."
+        script.Print("Patching boot image...")
+        script.ShowProgress(0.1, 10)
+        script.ApplyPatch("%s:%s:%d:%s:%d:%s"
+                          % (boot_type, boot_device,
+                             source_boot.size, source_boot.sha1,
+                             target_boot.size, target_boot.sha1),
+                          "-",
+                          target_boot.size, target_boot.sha1,
+                          source_boot.sha1, "patch/boot.img.p")
+    else:
+      print "boot image unchanged; skipping."
+
+  # Do device-specific installation (eg, write radio image).
+  device_specific.IncrementalOTA_InstallEnd()
+
+  if OPTIONS.extra_script is not None:
+    script.AppendExtra(OPTIONS.extra_script)
+
+  if OPTIONS.wipe_user_data:
+    script.Print("Erasing user data...")
+    script.FormatPartition("/data")
+    metadata["ota-wipe"] = "yes"
+
+  if OPTIONS.two_step:
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "");
+endif;
+endif;
+""" % bcb_dev)
+
+  script.SetProgress(1)
+  # For downgrade OTAs, we prefer to use the update-binary in the source
+  # build that is actually newer than the one in the target build.
+  if OPTIONS.downgrade:
+    script.AddToZip(source_zip, output_zip, input_path=OPTIONS.updater_binary)
+  else:
+    script.AddToZip(target_zip, output_zip, input_path=OPTIONS.updater_binary)
+  metadata["ota-required-cache"] = str(script.required_cache)
+  WriteMetadata(metadata, output_zip)
+
+
+def WriteVerifyPackage(input_zip, output_zip):
+  script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict)
+
+  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
+  recovery_mount_options = OPTIONS.info_dict.get(
+      "recovery_mount_options")
+  oem_dict = None
+  if oem_props is not None and len(oem_props) > 0:
+    if OPTIONS.oem_source is None:
+      raise common.ExternalError("OEM source required for this build")
+    script.Mount("/oem", recovery_mount_options)
+    oem_dict = common.LoadDictionaryFromLines(
+        open(OPTIONS.oem_source).readlines())
+
+  target_fp = CalculateFingerprint(oem_props, oem_dict, OPTIONS.info_dict)
+  metadata = {
+      "post-build": target_fp,
+      "pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
+                                   OPTIONS.info_dict),
+      "post-timestamp": GetBuildProp("ro.build.date.utc", OPTIONS.info_dict),
+  }
+
+  device_specific = common.DeviceSpecificParams(
+      input_zip=input_zip,
+      input_version=OPTIONS.info_dict["recovery_api_version"],
+      output_zip=output_zip,
+      script=script,
+      input_tmp=OPTIONS.input_tmp,
+      metadata=metadata,
+      info_dict=OPTIONS.info_dict)
+
+  AppendAssertions(script, OPTIONS.info_dict, oem_dict)
+
+  script.Print("Verifying device images against %s..." % target_fp)
+  script.AppendExtra("")
+
+  script.Print("Verifying boot...")
+  boot_img = common.GetBootableImage(
+      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+  boot_type, boot_device = common.GetTypeAndDevice(
+      "/boot", OPTIONS.info_dict)
+  script.Verify("%s:%s:%d:%s" % (
+      boot_type, boot_device, boot_img.size, boot_img.sha1))
+  script.AppendExtra("")
+
+  script.Print("Verifying recovery...")
+  recovery_img = common.GetBootableImage(
+      "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+  recovery_type, recovery_device = common.GetTypeAndDevice(
+      "/recovery", OPTIONS.info_dict)
+  script.Verify("%s:%s:%d:%s" % (
+      recovery_type, recovery_device, recovery_img.size, recovery_img.sha1))
+  script.AppendExtra("")
+
+  system_tgt = GetImage("system", OPTIONS.input_tmp, OPTIONS.info_dict)
+  system_tgt.ResetFileMap()
+  system_diff = common.BlockDifference("system", system_tgt, src=None)
+  system_diff.WriteStrictVerifyScript(script)
+
+  if HasVendorPartition(input_zip):
+    vendor_tgt = GetImage("vendor", OPTIONS.input_tmp, OPTIONS.info_dict)
+    vendor_tgt.ResetFileMap()
+    vendor_diff = common.BlockDifference("vendor", vendor_tgt, src=None)
+    vendor_diff.WriteStrictVerifyScript(script)
+
+  # Device specific partitions, such as radio, bootloader and etc.
+  device_specific.VerifyOTA_Assertions()
+
+  script.SetProgress(1.0)
+  script.AddToZip(input_zip, output_zip, input_path=OPTIONS.updater_binary)
+  metadata["ota-required-cache"] = str(script.required_cache)
+  WriteMetadata(metadata, output_zip)
+
+
+def WriteABOTAPackageWithBrilloScript(target_file, output_file,
+                                      source_file=None):
+  """Generate an Android OTA package that has A/B update payload."""
+
+  # Setup signing keys.
+  if OPTIONS.package_key is None:
+    OPTIONS.package_key = OPTIONS.info_dict.get(
+        "default_system_dev_certificate",
+        "build/target/product/security/testkey")
+
+  # A/B updater expects a signing key in RSA format. Gets the key ready for
+  # later use in step 3, unless a payload_signer has been specified.
+  if OPTIONS.payload_signer is None:
+    cmd = ["openssl", "pkcs8",
+           "-in", OPTIONS.package_key + OPTIONS.private_key_suffix,
+           "-inform", "DER", "-nocrypt"]
+    rsa_key = common.MakeTempFile(prefix="key-", suffix=".key")
+    cmd.extend(["-out", rsa_key])
+    p1 = common.Run(cmd, stdout=subprocess.PIPE)
+    p1.wait()
+    assert p1.returncode == 0, "openssl pkcs8 failed"
+
+  # Stage the output zip package for package signing.
+  temp_zip_file = tempfile.NamedTemporaryFile()
+  output_zip = zipfile.ZipFile(temp_zip_file, "w",
+                               compression=zipfile.ZIP_DEFLATED)
+
+  # Metadata to comply with Android OTA package format.
+  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties", None)
+  oem_dict = None
+  if oem_props:
+    if OPTIONS.oem_source is None:
+      raise common.ExternalError("OEM source required for this build")
+    oem_dict = common.LoadDictionaryFromLines(
+        open(OPTIONS.oem_source).readlines())
+
+  metadata = {
+      "post-build": CalculateFingerprint(oem_props, oem_dict,
+                                         OPTIONS.info_dict),
+      "post-build-incremental" : GetBuildProp("ro.build.version.incremental",
+                                              OPTIONS.info_dict),
+      "pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
+                                   OPTIONS.info_dict),
+      "post-timestamp": GetBuildProp("ro.build.date.utc", OPTIONS.info_dict),
+      "ota-required-cache": "0",
+      "ota-type": "AB",
+  }
+
+  if source_file is not None:
+    metadata["pre-build"] = CalculateFingerprint(oem_props, oem_dict,
+                                                 OPTIONS.source_info_dict)
+    metadata["pre-build-incremental"] = GetBuildProp(
+        "ro.build.version.incremental", OPTIONS.source_info_dict)
+
+  # 1. Generate payload.
+  payload_file = common.MakeTempFile(prefix="payload-", suffix=".bin")
+  cmd = ["brillo_update_payload", "generate",
+         "--payload", payload_file,
+         "--target_image", target_file]
+  if source_file is not None:
+    cmd.extend(["--source_image", source_file])
+  p1 = common.Run(cmd, stdout=subprocess.PIPE)
+  p1.wait()
+  assert p1.returncode == 0, "brillo_update_payload generate failed"
+
+  # 2. Generate hashes of the payload and metadata files.
+  payload_sig_file = common.MakeTempFile(prefix="sig-", suffix=".bin")
+  metadata_sig_file = common.MakeTempFile(prefix="sig-", suffix=".bin")
+  cmd = ["brillo_update_payload", "hash",
+         "--unsigned_payload", payload_file,
+         "--signature_size", "256",
+         "--metadata_hash_file", metadata_sig_file,
+         "--payload_hash_file", payload_sig_file]
+  p1 = common.Run(cmd, stdout=subprocess.PIPE)
+  p1.wait()
+  assert p1.returncode == 0, "brillo_update_payload hash failed"
+
+  # 3. Sign the hashes and insert them back into the payload file.
+  signed_payload_sig_file = common.MakeTempFile(prefix="signed-sig-",
+                                                suffix=".bin")
+  signed_metadata_sig_file = common.MakeTempFile(prefix="signed-sig-",
+                                                 suffix=".bin")
+  # 3a. Sign the payload hash.
+  if OPTIONS.payload_signer is not None:
+    cmd = [OPTIONS.payload_signer]
+    cmd.extend(OPTIONS.payload_signer_args)
+  else:
+    cmd = ["openssl", "pkeyutl", "-sign",
+           "-inkey", rsa_key,
+           "-pkeyopt", "digest:sha256"]
+  cmd.extend(["-in", payload_sig_file,
+              "-out", signed_payload_sig_file])
+
+  p1 = common.Run(cmd, stdout=subprocess.PIPE)
+  p1.wait()
+  assert p1.returncode == 0, "openssl sign payload failed"
+
+  # 3b. Sign the metadata hash.
+  if OPTIONS.payload_signer is not None:
+    cmd = [OPTIONS.payload_signer]
+    cmd.extend(OPTIONS.payload_signer_args)
+  else:
+    cmd = ["openssl", "pkeyutl", "-sign",
+           "-inkey", rsa_key,
+           "-pkeyopt", "digest:sha256"]
+  cmd.extend(["-in", metadata_sig_file,
+              "-out", signed_metadata_sig_file])
+  p1 = common.Run(cmd, stdout=subprocess.PIPE)
+  p1.wait()
+  assert p1.returncode == 0, "openssl sign metadata failed"
+
+  # 3c. Insert the signatures back into the payload file.
+  signed_payload_file = common.MakeTempFile(prefix="signed-payload-",
+                                            suffix=".bin")
+  cmd = ["brillo_update_payload", "sign",
+         "--unsigned_payload", payload_file,
+         "--payload", signed_payload_file,
+         "--signature_size", "256",
+         "--metadata_signature_file", signed_metadata_sig_file,
+         "--payload_signature_file", signed_payload_sig_file]
+  p1 = common.Run(cmd, stdout=subprocess.PIPE)
+  p1.wait()
+  assert p1.returncode == 0, "brillo_update_payload sign failed"
+
+  # 4. Dump the signed payload properties.
+  properties_file = common.MakeTempFile(prefix="payload-properties-",
+                                        suffix=".txt")
+  cmd = ["brillo_update_payload", "properties",
+         "--payload", signed_payload_file,
+         "--properties_file", properties_file]
+  p1 = common.Run(cmd, stdout=subprocess.PIPE)
+  p1.wait()
+  assert p1.returncode == 0, "brillo_update_payload properties failed"
+
+  if OPTIONS.wipe_user_data:
+    with open(properties_file, "a") as f:
+      f.write("POWERWASH=1\n")
+    metadata["ota-wipe"] = "yes"
+
+  # Add the signed payload file and properties into the zip.
+  common.ZipWrite(output_zip, properties_file, arcname="payload_properties.txt")
+  common.ZipWrite(output_zip, signed_payload_file, arcname="payload.bin",
+                  compress_type=zipfile.ZIP_STORED)
+  WriteMetadata(metadata, output_zip)
+
+  # If dm-verity is supported for the device, copy contents of care_map
+  # into A/B OTA package.
+  if OPTIONS.info_dict.get("verity") == "true":
+    target_zip = zipfile.ZipFile(target_file, "r")
+    care_map_path = "META/care_map.txt"
+    namelist = target_zip.namelist()
+    if care_map_path in namelist:
+      care_map_data = target_zip.read(care_map_path)
+      common.ZipWriteStr(output_zip, "care_map.txt", care_map_data)
+    else:
+      print "Warning: cannot find care map file in target_file package"
+    common.ZipClose(target_zip)
+
+  # Sign the whole package to comply with the Android OTA package format.
+  common.ZipClose(output_zip)
+  SignOutput(temp_zip_file.name, output_file)
+  temp_zip_file.close()
+
+
+class FileDifference(object):
+  def __init__(self, partition, source_zip, target_zip, output_zip):
+    self.deferred_patch_list = None
+    print "Loading target..."
+    self.target_data = target_data = LoadPartitionFiles(target_zip, partition)
+    print "Loading source..."
+    self.source_data = source_data = LoadPartitionFiles(source_zip, partition)
+
+    self.verbatim_targets = verbatim_targets = []
+    self.patch_list = patch_list = []
+    diffs = []
+    self.renames = renames = {}
+    known_paths = set()
+    largest_source_size = 0
+
+    matching_file_cache = {}
+    for fn, sf in source_data.items():
+      assert fn == sf.name
+      matching_file_cache["path:" + fn] = sf
+      if fn in target_data.keys():
+        AddToKnownPaths(fn, known_paths)
+      # Only allow eligibility for filename/sha matching
+      # if there isn't a perfect path match.
+      if target_data.get(sf.name) is None:
+        matching_file_cache["file:" + fn.split("/")[-1]] = sf
+        matching_file_cache["sha:" + sf.sha1] = sf
+
+    for fn in sorted(target_data.keys()):
+      tf = target_data[fn]
+      assert fn == tf.name
+      sf = ClosestFileMatch(tf, matching_file_cache, renames)
+      if sf is not None and sf.name != tf.name:
+        print "File has moved from " + sf.name + " to " + tf.name
+        renames[sf.name] = tf
+
+      if sf is None or fn in OPTIONS.require_verbatim:
+        # This file should be included verbatim
+        if fn in OPTIONS.prohibit_verbatim:
+          raise common.ExternalError("\"%s\" must be sent verbatim" % (fn,))
+        print "send", fn, "verbatim"
+        tf.AddToZip(output_zip)
+        verbatim_targets.append((fn, tf.size, tf.sha1))
+        if fn in target_data.keys():
+          AddToKnownPaths(fn, known_paths)
+      elif tf.sha1 != sf.sha1:
+        # File is different; consider sending as a patch
+        diffs.append(common.Difference(tf, sf))
+      else:
+        # Target file data identical to source (may still be renamed)
+        pass
+
+    common.ComputeDifferences(diffs)
+
+    for diff in diffs:
+      tf, sf, d = diff.GetPatch()
+      path = "/".join(tf.name.split("/")[:-1])
+      if d is None or len(d) > tf.size * OPTIONS.patch_threshold or \
+          path not in known_paths:
+        # patch is almost as big as the file; don't bother patching
+        # or a patch + rename cannot take place due to the target
+        # directory not existing
+        tf.AddToZip(output_zip)
+        verbatim_targets.append((tf.name, tf.size, tf.sha1))
+        if sf.name in renames:
+          del renames[sf.name]
+        AddToKnownPaths(tf.name, known_paths)
+      else:
+        common.ZipWriteStr(output_zip, "patch/" + sf.name + ".p", d)
+        patch_list.append((tf, sf, tf.size, common.sha1(d).hexdigest()))
+        largest_source_size = max(largest_source_size, sf.size)
+
+    self.largest_source_size = largest_source_size
+
+  def EmitVerification(self, script):
+    so_far = 0
+    for tf, sf, _, _ in self.patch_list:
+      if tf.name != sf.name:
+        script.SkipNextActionIfTargetExists("/" + tf.name, tf.sha1)
+      script.PatchCheck("/"+sf.name, tf.sha1, sf.sha1)
+      so_far += sf.size
+    return so_far
+
+  def EmitExplicitTargetVerification(self, script):
+    for fn, _, sha1 in self.verbatim_targets:
+      if fn[-1] != "/":
+        script.FileCheck("/"+fn, sha1)
+    for tf, _, _, _ in self.patch_list:
+      script.FileCheck(tf.name, tf.sha1)
+
+  def RemoveUnneededFiles(self, script, extras=()):
+    file_list = ["/" + i[0] for i in self.verbatim_targets]
+    file_list += ["/" + i for i in self.source_data
+                  if i not in self.target_data and i not in self.renames]
+    file_list += list(extras)
+    # Sort the list in descending order, which removes all the files first
+    # before attempting to remove the folder. (Bug: 22960996)
+    script.DeleteFiles(sorted(file_list, reverse=True))
+
+  def TotalPatchSize(self):
+    return sum(i[1].size for i in self.patch_list)
+
+  def EmitPatches(self, script, total_patch_size, so_far):
+    self.deferred_patch_list = deferred_patch_list = []
+    for item in self.patch_list:
+      tf, sf, _, _ = item
+      if tf.name == "system/build.prop":
+        deferred_patch_list.append(item)
+        continue
+      if sf.name != tf.name:
+        script.SkipNextActionIfTargetExists("/" + tf.name, tf.sha1)
+      script.ApplyPatch("/" + sf.name, "-", tf.size, tf.sha1, sf.sha1,
+                        "patch/" + sf.name + ".p")
+      so_far += tf.size
+      script.SetProgress(so_far / total_patch_size)
+    return so_far
+
+  def EmitDeferredPatches(self, script):
+    for item in self.deferred_patch_list:
+      tf, sf, _, _ = item
+      script.ApplyPatch("/"+sf.name, "-", tf.size, tf.sha1, sf.sha1,
+                        "patch/" + sf.name + ".p")
+    script.SetPermissions("/system/build.prop", 0, 0, 0o644, None, None)
+
+  def EmitRenames(self, script):
+    if len(self.renames) > 0:
+      script.Print("Renaming files...")
+      for src, tgt in self.renames.iteritems():
+        print "Renaming " + src + " to " + tgt.name
+        script.RenameFile(src, tgt.name)
+
+
+def WriteIncrementalOTAPackage(target_zip, source_zip, output_zip):
+  target_has_recovery_patch = HasRecoveryPatch(target_zip)
+  source_has_recovery_patch = HasRecoveryPatch(source_zip)
+
+  if (OPTIONS.block_based and
+      target_has_recovery_patch and
+      source_has_recovery_patch):
+    return WriteBlockIncrementalOTAPackage(target_zip, source_zip, output_zip)
+
+  source_version = OPTIONS.source_info_dict["recovery_api_version"]
+  target_version = OPTIONS.target_info_dict["recovery_api_version"]
+
+  if source_version == 0:
+    print ("WARNING: generating edify script for a source that "
+           "can't install it.")
+  script = edify_generator.EdifyGenerator(
+      source_version, OPTIONS.target_info_dict,
+      fstab=OPTIONS.source_info_dict["fstab"])
+
+  oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
+  recovery_mount_options = OPTIONS.source_info_dict.get(
+      "recovery_mount_options")
+  oem_dict = None
+  if oem_props is not None and len(oem_props) > 0:
+    if OPTIONS.oem_source is None:
+      raise common.ExternalError("OEM source required for this build")
+    if not OPTIONS.oem_no_mount:
+      script.Mount("/oem", recovery_mount_options)
+    oem_dict = common.LoadDictionaryFromLines(
+        open(OPTIONS.oem_source).readlines())
+
+  metadata = {
+      "pre-device": GetOemProperty("ro.product.device", oem_props, oem_dict,
+                                   OPTIONS.source_info_dict),
+      "ota-type": "FILE",
+  }
+
+  post_timestamp = GetBuildProp("ro.build.date.utc", OPTIONS.target_info_dict)
+  pre_timestamp = GetBuildProp("ro.build.date.utc", OPTIONS.source_info_dict)
+  is_downgrade = long(post_timestamp) < long(pre_timestamp)
+
+  if OPTIONS.downgrade:
+    metadata["ota-downgrade"] = "yes"
+    if not is_downgrade:
+      raise RuntimeError("--downgrade specified but no downgrade detected: "
+                         "pre: %s, post: %s" % (pre_timestamp, post_timestamp))
+  else:
+    if is_downgrade:
+      # Non-fatal here to allow generating such a package which may require
+      # manual work to adjust the post-timestamp. A legit use case is that we
+      # cut a new build C (after having A and B), but want to enfore the
+      # update path of A -> C -> B. Specifying --downgrade may not help since
+      # that would enforce a data wipe for C -> B update.
+      print("\nWARNING: downgrade detected: pre: %s, post: %s.\n"
+            "The package may not be deployed properly. "
+            "Try --downgrade?\n" % (pre_timestamp, post_timestamp))
+    metadata["post-timestamp"] = post_timestamp
+
+  device_specific = common.DeviceSpecificParams(
+      source_zip=source_zip,
+      source_version=source_version,
+      target_zip=target_zip,
+      input_zip=target_zip,
+      target_version=target_version,
+      input_version=target_version,
+      output_zip=output_zip,
+      script=script,
+      metadata=metadata,
+      info_dict=OPTIONS.source_info_dict)
+
+  system_diff = FileDifference("system", source_zip, target_zip, output_zip)
+  script.Mount("/system", recovery_mount_options)
+  if HasVendorPartition(target_zip):
+    vendor_diff = FileDifference("vendor", source_zip, target_zip, output_zip)
+    script.Mount("/vendor", recovery_mount_options)
+  else:
+    vendor_diff = None
+
+  target_fp = CalculateFingerprint(oem_props, oem_dict,
+                                   OPTIONS.target_info_dict)
+  source_fp = CalculateFingerprint(oem_props, oem_dict,
+                                   OPTIONS.source_info_dict)
+
+  if oem_props is None:
+    script.AssertSomeFingerprint(source_fp, target_fp)
+  else:
+    script.AssertSomeThumbprint(
+        GetBuildProp("ro.build.thumbprint", OPTIONS.target_info_dict),
+        GetBuildProp("ro.build.thumbprint", OPTIONS.source_info_dict))
+
+  metadata["pre-build"] = source_fp
+  metadata["post-build"] = target_fp
+  metadata["pre-build-incremental"] = GetBuildProp(
+      "ro.build.version.incremental", OPTIONS.source_info_dict)
+  metadata["post-build-incremental"] = GetBuildProp(
+      "ro.build.version.incremental", OPTIONS.target_info_dict)
+
+  source_boot = common.GetBootableImage(
+      "/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT",
+      OPTIONS.source_info_dict)
+  target_boot = common.GetBootableImage(
+      "/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT")
+  updating_boot = (not OPTIONS.two_step and
+                   (source_boot.data != target_boot.data))
+
+  source_recovery = common.GetBootableImage(
+      "/tmp/recovery.img", "recovery.img", OPTIONS.source_tmp, "RECOVERY",
+      OPTIONS.source_info_dict)
+  target_recovery = common.GetBootableImage(
+      "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
+  updating_recovery = (source_recovery.data != target_recovery.data)
+
+  # Here's how we divide up the progress bar:
+  #  0.1 for verifying the start state (PatchCheck calls)
+  #  0.8 for applying patches (ApplyPatch calls)
+  #  0.1 for unpacking verbatim files, symlinking, and doing the
+  #      device-specific commands.
+
+  AppendAssertions(script, OPTIONS.target_info_dict, oem_dict)
+  device_specific.IncrementalOTA_Assertions()
+
+  # Two-step incremental package strategy (in chronological order,
+  # which is *not* the order in which the generated script has
+  # things):
+  #
+  # if stage is not "2/3" or "3/3":
+  #    do verification on current system
+  #    write recovery image to boot partition
+  #    set stage to "2/3"
+  #    reboot to boot partition and restart recovery
+  # else if stage is "2/3":
+  #    write recovery image to recovery partition
+  #    set stage to "3/3"
+  #    reboot to recovery partition and restart recovery
+  # else:
+  #    (stage must be "3/3")
+  #    perform update:
+  #       patch system files, etc.
+  #       force full install of new boot image
+  #       set up system to update recovery partition on first boot
+  #    complete script normally
+  #    (allow recovery to mark itself finished and reboot)
+
+  if OPTIONS.two_step:
+    if not OPTIONS.source_info_dict.get("multistage_support", None):
+      assert False, "two-step packages not supported by this build"
+    fs = OPTIONS.source_info_dict["fstab"]["/misc"]
+    assert fs.fs_type.upper() == "EMMC", \
+        "two-step packages only supported on devices with EMMC /misc partitions"
+    bcb_dev = {"bcb_dev": fs.device}
+    common.ZipWriteStr(output_zip, "recovery.img", target_recovery.data)
+    script.AppendExtra("""
+if get_stage("%(bcb_dev)s") == "2/3" then
+""" % bcb_dev)
+
+    # Stage 2/3: Write recovery image to /recovery (currently running /boot).
+    script.Comment("Stage 2/3")
+    script.AppendExtra("sleep(20);\n")
+    script.WriteRawImage("/recovery", "recovery.img")
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "3/3");
+reboot_now("%(bcb_dev)s", "recovery");
+else if get_stage("%(bcb_dev)s") != "3/3" then
+""" % bcb_dev)
+
+    # Stage 1/3: (a) Verify the current system.
+    script.Comment("Stage 1/3")
+
+  # Dump fingerprints
+  script.Print("Source: %s" % CalculateFingerprint(
+      oem_props, oem_dict, OPTIONS.source_info_dict))
+  script.Print("Target: %s" % CalculateFingerprint(
+      oem_props, oem_dict, OPTIONS.target_info_dict))
+
+  script.Print("Verifying current system...")
+
+  device_specific.IncrementalOTA_VerifyBegin()
+
+  script.ShowProgress(0.1, 0)
+  so_far = system_diff.EmitVerification(script)
+  if vendor_diff:
+    so_far += vendor_diff.EmitVerification(script)
+
+  size = []
+  if system_diff.patch_list:
+    size.append(system_diff.largest_source_size)
+  if vendor_diff:
+    if vendor_diff.patch_list:
+      size.append(vendor_diff.largest_source_size)
+
+  if updating_boot:
+    boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
+    d = common.Difference(target_boot, source_boot)
+    _, _, d = d.ComputePatch()
+    if d is None:
+      include_full_boot = True
+      common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
+    else:
+      include_full_boot = False
+
+      print "boot      target: %d  source: %d  diff: %d" % (
+        target_boot.size, source_boot.size, len(d))
+
+      common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
+
+      script.PatchCheck("%s:%s:%d:%s:%d:%s" %
+                        (boot_type, boot_device,
+                         source_boot.size, source_boot.sha1,
+                         target_boot.size, target_boot.sha1))
+    so_far += source_boot.size
+    size.append(target_boot.size)
+
+  if size:
+    script.CacheFreeSpaceCheck(max(size))
+
+  device_specific.IncrementalOTA_VerifyEnd()
+
+  if OPTIONS.two_step:
+    # Stage 1/3: (b) Write recovery image to /boot.
+    _WriteRecoveryImageToBoot(script, output_zip)
+
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "2/3");
+reboot_now("%(bcb_dev)s", "");
+else
+""" % bcb_dev)
+
+    # Stage 3/3: Make changes.
+    script.Comment("Stage 3/3")
+
+  script.Comment("---- start making changes here ----")
+
+  device_specific.IncrementalOTA_InstallBegin()
+
+  if OPTIONS.two_step:
+    common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
+    script.WriteRawImage("/boot", "boot.img")
+    print "writing full boot image (forced by two-step mode)"
+
+  script.Print("Removing unneeded files...")
+  system_diff.RemoveUnneededFiles(script, ("/system/recovery.img",))
+  if vendor_diff:
+    vendor_diff.RemoveUnneededFiles(script)
+
+  script.ShowProgress(0.8, 0)
+  total_patch_size = 1.0 + system_diff.TotalPatchSize()
+  if vendor_diff:
+    total_patch_size += vendor_diff.TotalPatchSize()
+  if updating_boot:
+    total_patch_size += target_boot.size
+
+  script.Print("Patching system files...")
+  so_far = system_diff.EmitPatches(script, total_patch_size, 0)
+  if vendor_diff:
+    script.Print("Patching vendor files...")
+    so_far = vendor_diff.EmitPatches(script, total_patch_size, so_far)
+
+  if not OPTIONS.two_step:
+    if updating_boot:
+      if include_full_boot:
+        print "boot image changed; including full."
+        script.Print("Installing boot image...")
+        script.WriteRawImage("/boot", "boot.img")
+      else:
+        # Produce the boot image by applying a patch to the current
+        # contents of the boot partition, and write it back to the
+        # partition.
+        print "boot image changed; including patch."
+        script.Print("Patching boot image...")
+        script.ApplyPatch("%s:%s:%d:%s:%d:%s"
+                          % (boot_type, boot_device,
+                             source_boot.size, source_boot.sha1,
+                             target_boot.size, target_boot.sha1),
+                          "-",
+                          target_boot.size, target_boot.sha1,
+                          source_boot.sha1, "patch/boot.img.p")
+    else:
+      print "boot image unchanged; skipping."
+
+  system_items = ItemSet("system", "META/filesystem_config.txt")
+  if vendor_diff:
+    vendor_items = ItemSet("vendor", "META/vendor_filesystem_config.txt")
+
+  if updating_recovery:
+    # Recovery is generated as a patch using both the boot image
+    # (which contains the same linux kernel as recovery) and the file
+    # /system/etc/recovery-resource.dat (which contains all the images
+    # used in the recovery UI) as sources.  This lets us minimize the
+    # size of the patch, which must be included in every OTA package.
+    #
+    # For older builds where recovery-resource.dat is not present, we
+    # use only the boot image as the source.
+
+    if not target_has_recovery_patch:
+      def output_sink(fn, data):
+        common.ZipWriteStr(output_zip, "recovery/" + fn, data)
+        system_items.Get("system/" + fn)
+
+      common.MakeRecoveryPatch(OPTIONS.target_tmp, output_sink,
+                               target_recovery, target_boot)
+      script.DeleteFiles(["/system/recovery-from-boot.p",
+                          "/system/etc/recovery.img",
+                          "/system/etc/install-recovery.sh"])
+    print "recovery image changed; including as patch from boot."
+  else:
+    print "recovery image unchanged; skipping."
+
+  script.ShowProgress(0.1, 10)
+
+  target_symlinks = CopyPartitionFiles(system_items, target_zip, None)
+  if vendor_diff:
+    target_symlinks.extend(CopyPartitionFiles(vendor_items, target_zip, None))
+
+  temp_script = script.MakeTemporary()
+  system_items.GetMetadata(target_zip)
+  system_items.Get("system").SetPermissions(temp_script)
+  if vendor_diff:
+    vendor_items.GetMetadata(target_zip)
+    vendor_items.Get("vendor").SetPermissions(temp_script)
+
+  # Note that this call will mess up the trees of Items, so make sure
+  # we're done with them.
+  source_symlinks = CopyPartitionFiles(system_items, source_zip, None)
+  if vendor_diff:
+    source_symlinks.extend(CopyPartitionFiles(vendor_items, source_zip, None))
+
+  target_symlinks_d = dict([(i[1], i[0]) for i in target_symlinks])
+  source_symlinks_d = dict([(i[1], i[0]) for i in source_symlinks])
+
+  # Delete all the symlinks in source that aren't in target.  This
+  # needs to happen before verbatim files are unpacked, in case a
+  # symlink in the source is replaced by a real file in the target.
+
+  # If a symlink in the source will be replaced by a regular file, we cannot
+  # delete the symlink/file in case the package gets applied again. For such
+  # a symlink, we prepend a sha1_check() to detect if it has been updated.
+  # (Bug: 23646151)
+  replaced_symlinks = dict()
+  if system_diff:
+    for i in system_diff.verbatim_targets:
+      replaced_symlinks["/%s" % (i[0],)] = i[2]
+  if vendor_diff:
+    for i in vendor_diff.verbatim_targets:
+      replaced_symlinks["/%s" % (i[0],)] = i[2]
+
+  if system_diff:
+    for tf in system_diff.renames.values():
+      replaced_symlinks["/%s" % (tf.name,)] = tf.sha1
+  if vendor_diff:
+    for tf in vendor_diff.renames.values():
+      replaced_symlinks["/%s" % (tf.name,)] = tf.sha1
+
+  always_delete = []
+  may_delete = []
+  for dest, link in source_symlinks:
+    if link not in target_symlinks_d:
+      if link in replaced_symlinks:
+        may_delete.append((link, replaced_symlinks[link]))
+      else:
+        always_delete.append(link)
+  script.DeleteFiles(always_delete)
+  script.DeleteFilesIfNotMatching(may_delete)
+
+  if system_diff.verbatim_targets:
+    script.Print("Unpacking new system files...")
+    script.UnpackPackageDir("system", "/system")
+  if vendor_diff and vendor_diff.verbatim_targets:
+    script.Print("Unpacking new vendor files...")
+    script.UnpackPackageDir("vendor", "/vendor")
+
+  if updating_recovery and not target_has_recovery_patch:
+    script.Print("Unpacking new recovery...")
+    script.UnpackPackageDir("recovery", "/system")
+
+  system_diff.EmitRenames(script)
+  if vendor_diff:
+    vendor_diff.EmitRenames(script)
+
+  script.Print("Symlinks and permissions...")
+
+  # Create all the symlinks that don't already exist, or point to
+  # somewhere different than what we want.  Delete each symlink before
+  # creating it, since the 'symlink' command won't overwrite.
+  to_create = []
+  for dest, link in target_symlinks:
+    if link in source_symlinks_d:
+      if dest != source_symlinks_d[link]:
+        to_create.append((dest, link))
+    else:
+      to_create.append((dest, link))
+  script.DeleteFiles([i[1] for i in to_create])
+  script.MakeSymlinks(to_create)
+
+  # Now that the symlinks are created, we can set all the
+  # permissions.
+  script.AppendScript(temp_script)
+
+  # Do device-specific installation (eg, write radio image).
+  device_specific.IncrementalOTA_InstallEnd()
+
+  if OPTIONS.extra_script is not None:
+    script.AppendExtra(OPTIONS.extra_script)
+
+  # Patch the build.prop file last, so if something fails but the
+  # device can still come up, it appears to be the old build and will
+  # get set the OTA package again to retry.
+  script.Print("Patching remaining system files...")
+  system_diff.EmitDeferredPatches(script)
+
+  if OPTIONS.wipe_user_data:
+    script.Print("Erasing user data...")
+    script.FormatPartition("/data")
+    metadata["ota-wipe"] = "yes"
+
+  if OPTIONS.two_step:
+    script.AppendExtra("""
+set_stage("%(bcb_dev)s", "");
+endif;
+endif;
+""" % bcb_dev)
+
+  if OPTIONS.verify and system_diff:
+    script.Print("Remounting and verifying system partition files...")
+    script.Unmount("/system")
+    script.Mount("/system", recovery_mount_options)
+    system_diff.EmitExplicitTargetVerification(script)
+
+  if OPTIONS.verify and vendor_diff:
+    script.Print("Remounting and verifying vendor partition files...")
+    script.Unmount("/vendor")
+    script.Mount("/vendor", recovery_mount_options)
+    vendor_diff.EmitExplicitTargetVerification(script)
+
+  # For downgrade OTAs, we prefer to use the update-binary in the source
+  # build that is actually newer than the one in the target build.
+  if OPTIONS.downgrade:
+    script.AddToZip(source_zip, output_zip, input_path=OPTIONS.updater_binary)
+  else:
+    script.AddToZip(target_zip, output_zip, input_path=OPTIONS.updater_binary)
+
+  metadata["ota-required-cache"] = str(script.required_cache)
+  WriteMetadata(metadata, output_zip)
+
+
+def main(argv):
+
+  def option_handler(o, a):
+    if o == "--board_config":
+      pass   # deprecated
+    elif o in ("-k", "--package_key"):
+      OPTIONS.package_key = a
+    elif o in ("-i", "--incremental_from"):
+      OPTIONS.incremental_source = a
+    elif o == "--full_radio":
+      OPTIONS.full_radio = True
+    elif o == "--full_bootloader":
+      OPTIONS.full_bootloader = True
+    elif o in ("-w", "--wipe_user_data"):
+      OPTIONS.wipe_user_data = True
+    elif o in ("-n", "--no_prereq"):
+      OPTIONS.omit_prereq = True
+    elif o == "--downgrade":
+      OPTIONS.downgrade = True
+      OPTIONS.wipe_user_data = True
+    elif o in ("-o", "--oem_settings"):
+      OPTIONS.oem_source = a
+    elif o == "--oem_no_mount":
+      OPTIONS.oem_no_mount = True
+    elif o in ("-e", "--extra_script"):
+      OPTIONS.extra_script = a
+    elif o in ("-a", "--aslr_mode"):
+      if a in ("on", "On", "true", "True", "yes", "Yes"):
+        OPTIONS.aslr_mode = True
+      else:
+        OPTIONS.aslr_mode = False
+    elif o in ("-t", "--worker_threads"):
+      if a.isdigit():
+        OPTIONS.worker_threads = int(a)
+      else:
+        raise ValueError("Cannot parse value %r for option %r - only "
+                         "integers are allowed." % (a, o))
+    elif o in ("-2", "--two_step"):
+      OPTIONS.two_step = True
+    elif o == "--no_signing":
+      OPTIONS.no_signing = True
+    elif o == "--verify":
+      OPTIONS.verify = True
+    elif o == "--block":
+      OPTIONS.block_based = True
+    elif o in ("-b", "--binary"):
+      OPTIONS.updater_binary = a
+    elif o in ("--no_fallback_to_full",):
+      OPTIONS.fallback_to_full = False
+    elif o == "--stash_threshold":
+      try:
+        OPTIONS.stash_threshold = float(a)
+      except ValueError:
+        raise ValueError("Cannot parse value %r for option %r - expecting "
+                         "a float" % (a, o))
+    elif o == "--gen_verify":
+      OPTIONS.gen_verify = True
+    elif o == "--log_diff":
+      OPTIONS.log_diff = a
+    elif o == "--payload_signer":
+      OPTIONS.payload_signer = a
+    elif o == "--payload_signer_args":
+      OPTIONS.payload_signer_args = shlex.split(a)
+    elif o in ("--backup"):
+      OPTIONS.backuptool = bool(a.lower() == 'true')
+    else:
+      return False
+    return True
+
+  args = common.ParseOptions(argv, __doc__,
+                             extra_opts="b:k:i:d:wne:t:a:2o:",
+                             extra_long_opts=[
+                                 "board_config=",
+                                 "package_key=",
+                                 "incremental_from=",
+                                 "full_radio",
+                                 "full_bootloader",
+                                 "wipe_user_data",
+                                 "no_prereq",
+                                 "downgrade",
+                                 "extra_script=",
+                                 "worker_threads=",
+                                 "aslr_mode=",
+                                 "two_step",
+                                 "no_signing",
+                                 "block",
+                                 "binary=",
+                                 "oem_settings=",
+                                 "oem_no_mount",
+                                 "verify",
+                                 "no_fallback_to_full",
+                                 "stash_threshold=",
+                                 "gen_verify",
+                                 "log_diff=",
+                                 "payload_signer=",
+                                 "payload_signer_args=",
+                                 "backup="
+                             ], extra_option_handler=option_handler)
+
+  if len(args) != 2:
+    common.Usage(__doc__)
+    sys.exit(1)
+
+  if OPTIONS.downgrade:
+    # Sanity check to enforce a data wipe.
+    if not OPTIONS.wipe_user_data:
+      raise ValueError("Cannot downgrade without a data wipe")
+
+    # We should only allow downgrading incrementals (as opposed to full).
+    # Otherwise the device may go back from arbitrary build with this full
+    # OTA package.
+    if OPTIONS.incremental_source is None:
+      raise ValueError("Cannot generate downgradable full OTAs - consider"
+                       "using --omit_prereq?")
+
+  # Load the dict file from the zip directly to have a peek at the OTA type.
+  # For packages using A/B update, unzipping is not needed.
+  input_zip = zipfile.ZipFile(args[0], "r")
+  OPTIONS.info_dict = common.LoadInfoDict(input_zip)
+  common.ZipClose(input_zip)
+
+  if "ota_override_device" in OPTIONS.info_dict:
+    OPTIONS.override_device = OPTIONS.info_dict.get("ota_override_device")
+
+  ab_update = OPTIONS.info_dict.get("ab_update") == "true"
+
+  if ab_update:
+    if OPTIONS.incremental_source is not None:
+      OPTIONS.target_info_dict = OPTIONS.info_dict
+      source_zip = zipfile.ZipFile(OPTIONS.incremental_source, "r")
+      OPTIONS.source_info_dict = common.LoadInfoDict(source_zip)
+      common.ZipClose(source_zip)
+
+    if OPTIONS.verbose:
+      print "--- target info ---"
+      common.DumpInfoDict(OPTIONS.info_dict)
+
+      if OPTIONS.incremental_source is not None:
+        print "--- source info ---"
+        common.DumpInfoDict(OPTIONS.source_info_dict)
+
+    WriteABOTAPackageWithBrilloScript(
+        target_file=args[0],
+        output_file=args[1],
+        source_file=OPTIONS.incremental_source)
+
+    print "done."
+    return
+
+  if OPTIONS.extra_script is not None:
+    OPTIONS.extra_script = open(OPTIONS.extra_script).read()
+
+  print "unzipping target target-files..."
+  OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
+
+  OPTIONS.target_tmp = OPTIONS.input_tmp
+  OPTIONS.info_dict = common.LoadInfoDict(input_zip, OPTIONS.target_tmp)
+
+  if OPTIONS.verbose:
+    print "--- target info ---"
+    common.DumpInfoDict(OPTIONS.info_dict)
+
+  # If the caller explicitly specified the device-specific extensions
+  # path via -s/--device_specific, use that.  Otherwise, use
+  # META/releasetools.py if it is present in the target target_files.
+  # Otherwise, take the path of the file from 'tool_extensions' in the
+  # info dict and look for that in the local filesystem, relative to
+  # the current directory.
+
+  if OPTIONS.device_specific is None:
+    from_input = os.path.join(OPTIONS.input_tmp, "META", "releasetools.py")
+    if os.path.exists(from_input):
+      print "(using device-specific extensions from target_files)"
+      OPTIONS.device_specific = from_input
+    else:
+      OPTIONS.device_specific = OPTIONS.info_dict.get("tool_extensions", None)
+
+  if OPTIONS.device_specific is not None:
+    OPTIONS.device_specific = os.path.abspath(OPTIONS.device_specific)
+
+  if OPTIONS.info_dict.get("no_recovery") == "true":
+    raise common.ExternalError(
+        "--- target build has specified no recovery ---")
+
+  # Use the default key to sign the package if not specified with package_key.
+  if not OPTIONS.no_signing:
+    if OPTIONS.package_key is None:
+      OPTIONS.package_key = OPTIONS.info_dict.get(
+          "default_system_dev_certificate",
+          "build/target/product/security/testkey")
+
+  # Set up the output zip. Create a temporary zip file if signing is needed.
+  if OPTIONS.no_signing:
+    if os.path.exists(args[1]):
+      os.unlink(args[1])
+    output_zip = zipfile.ZipFile(args[1], "w",
+                                 compression=zipfile.ZIP_DEFLATED)
+  else:
+    temp_zip_file = tempfile.NamedTemporaryFile()
+    output_zip = zipfile.ZipFile(temp_zip_file, "w",
+                                 compression=zipfile.ZIP_DEFLATED)
+
+  # Non A/B OTAs rely on /cache partition to store temporary files.
+  cache_size = OPTIONS.info_dict.get("cache_size", None)
+  if cache_size is None:
+    print "--- can't determine the cache partition size ---"
+  OPTIONS.cache_size = cache_size
+
+  # Generate a verify package.
+  if OPTIONS.gen_verify:
+    WriteVerifyPackage(input_zip, output_zip)
+
+  # Generate a full OTA.
+  elif OPTIONS.incremental_source is None:
+    WriteFullOTAPackage(input_zip, output_zip)
+
+  # Generate an incremental OTA. It will fall back to generate a full OTA on
+  # failure unless no_fallback_to_full is specified.
+  else:
+    print "unzipping source target-files..."
+    OPTIONS.source_tmp, source_zip = common.UnzipTemp(
+        OPTIONS.incremental_source)
+    OPTIONS.target_info_dict = OPTIONS.info_dict
+    OPTIONS.source_info_dict = common.LoadInfoDict(source_zip,
+                                                   OPTIONS.source_tmp)
+    if OPTIONS.verbose:
+      print "--- source info ---"
+      common.DumpInfoDict(OPTIONS.source_info_dict)
+    try:
+      WriteIncrementalOTAPackage(input_zip, source_zip, output_zip)
+      if OPTIONS.log_diff:
+        out_file = open(OPTIONS.log_diff, 'w')
+        import target_files_diff
+        target_files_diff.recursiveDiff('',
+                                        OPTIONS.source_tmp,
+                                        OPTIONS.input_tmp,
+                                        out_file)
+        out_file.close()
+    except ValueError:
+      if not OPTIONS.fallback_to_full:
+        raise
+      print "--- failed to build incremental; falling back to full ---"
+      OPTIONS.incremental_source = None
+      WriteFullOTAPackage(input_zip, output_zip)
+
+  common.ZipClose(output_zip)
+
+  # Sign the generated zip package unless no_signing is specified.
+  if not OPTIONS.no_signing:
+    SignOutput(temp_zip_file.name, args[1])
+    temp_zip_file.close()
+
+  print "done."
+
+
+if __name__ == '__main__':
+  try:
+    common.CloseInheritedPipes()
+    main(sys.argv[1:])
+  except common.ExternalError as e:
+    print
+    print "   ERROR: %s" % (e,)
+    print
+    sys.exit(1)
+  finally:
+    common.Cleanup()
diff --git a/tools/releasetools/pylintrc b/tools/releasetools/pylintrc
new file mode 100644
index 000000000..90de1afbc
--- /dev/null
+++ b/tools/releasetools/pylintrc
@@ -0,0 +1,382 @@
+[MASTER]
+
+# Specify a configuration file.
+#rcfile=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Profiled execution.
+profile=no
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=CVS
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Use multiple processes to speed up Pylint.
+jobs=1
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-whitelist=
+
+# Allow optimization of some AST trees. This will activate a peephole AST
+# optimizer, which will apply various small optimizations. For instance, it can
+# be used to obtain the result of joining multiple strings with the addition
+# operator. Joining a lot of strings can lead to a maximum recursion error in
+# Pylint and this flag can prevent that. It has one side effect, the resulting
+# AST will be different than the one from reality.
+optimize-ast=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
+confidence=
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time. See also the "--disable" option for examples.
+#enable=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once).You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use"--disable=all --enable=classes
+# --disable=W"
+disable=invalid-name,missing-docstring,too-many-branches,too-many-locals,too-many-arguments,too-many-statements,duplicate-code,too-few-public-methods,too-many-instance-attributes,too-many-lines,too-many-public-methods,locally-disabled,fixme
+
+
+[REPORTS]
+
+# Set the output format. Available formats are text, parseable, colorized, msvs
+# (visual studio) and html. You can also give a reporter class, eg
+# mypackage.mymodule.MyReporterClass.
+output-format=text
+
+# Put messages in a separate file for each module / package specified on the
+# command line instead of printing them on stdout. Reports (if any) will be
+# written in a file name "pylint_global.[txt|html]".
+files-output=no
+
+# Tells whether to display a full report or only the messages
+reports=yes
+
+# Python expression which should return a note less than 10 (10 is the highest
+# note). You have access to the variables errors warning, statement which
+# respectively contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Add a comment according to your evaluation note. This is used by the global
+# evaluation report (RP0004).
+comment=no
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details
+#msg-template=
+
+
+[SIMILARITIES]
+
+# Minimum lines number of a similarity.
+min-similarity-lines=4
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=no
+
+
+[TYPECHECK]
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis
+ignored-modules=
+
+# List of classes names for which member attributes should not be checked
+# (useful for classes with attributes dynamically set).
+ignored-classes=SQLObject
+
+# When zope mode is activated, add a predefined set of Zope acquired attributes
+# to generated-members.
+zope=no
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E0201 when accessed. Python regular
+# expressions are accepted.
+generated-members=REQUEST,acl_users,aq_parent
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,XXX,TODO
+
+
+[BASIC]
+
+# Required attributes for module, separated by a comma
+required-attributes=
+
+# List of builtins function names that should not be used, separated by a comma
+bad-functions=map,filter,input
+
+# Good variable names which should always be accepted, separated by a comma
+good-names=i,j,k,ex,Run,_
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,bar,baz,toto,tutu,tata
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Include a hint for the correct naming format with invalid-name
+include-naming-hint=no
+
+# Regular expression matching correct function names
+function-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for function names
+function-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct variable names
+variable-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for variable names
+variable-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct constant names
+const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Naming hint for constant names
+const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Regular expression matching correct attribute names
+attr-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for attribute names
+attr-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct argument names
+argument-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for argument names
+argument-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct class attribute names
+class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Naming hint for class attribute names
+class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Regular expression matching correct inline iteration names
+inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
+
+# Naming hint for inline iteration names
+inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$
+
+# Regular expression matching correct class names
+class-rgx=[A-Z_][a-zA-Z0-9]+$
+
+# Naming hint for class names
+class-name-hint=[A-Z_][a-zA-Z0-9]+$
+
+# Regular expression matching correct module names
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Naming hint for module names
+module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Regular expression matching correct method names
+method-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for method names
+method-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=__.*__
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+
+[SPELLING]
+
+# Spelling dictionary name. Available dictionaries: none. To make it working
+# install python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to indicated private dictionary in
+# --spelling-private-dict-file option instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[FORMAT]
+
+# Maximum number of characters on a single line.
+max-line-length=80
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+# List of optional constructs for which whitespace checking is disabled
+no-space-check=trailing-comma,dict-separator
+
+# Maximum number of lines in a module
+max-module-lines=1000
+
+# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
+# tab).
+indent-string='  '
+
+# Number of spaces of indent required inside a hanging or continued line.
+indent-after-paren=4
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=LF
+
+
+[LOGGING]
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format
+logging-modules=logging
+
+
+[VARIABLES]
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# A regular expression matching the name of dummy variables (i.e. expectedly
+# not used).
+dummy-variables-rgx=_$|dummy
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,_cb
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method
+max-args=5
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore
+ignored-argument-names=_.*
+
+# Maximum number of locals for function / method body
+max-locals=15
+
+# Maximum number of return / yield for function / method body
+max-returns=6
+
+# Maximum number of branch for function / method body
+max-branches=12
+
+# Maximum number of statements in function / method body
+max-statements=50
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+
+[IMPORTS]
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=regsub,TERMIOS,Bastion,rexec
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled)
+import-graph=
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled)
+int-import-graph=
+
+
+[CLASSES]
+
+# List of interface methods to ignore, separated by a comma. This is used for
+# instance to not check methods defines in Zope's Interface base class.
+ignore-iface-methods=isImplementedBy,deferred,extends,names,namesAndDescriptions,queryDescriptionFor,getBases,getDescriptionFor,getDoc,getName,getTaggedValue,getTaggedValueTags,isEqualOrExtendedBy,setTaggedValue,isImplementedByInstancesOf,adaptWith,is_implemented_by
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,__new__,setUp
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=mcs
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,_fields,_replace,_source,_make
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "Exception"
+overgeneral-exceptions=Exception
diff --git a/tools/releasetools/rangelib.py b/tools/releasetools/rangelib.py
index 7279c60a2..c9bd375e9 100644
--- a/tools/releasetools/rangelib.py
+++ b/tools/releasetools/rangelib.py
@@ -24,10 +24,13 @@ class RangeSet(object):
   lots of runs."""
 
   def __init__(self, data=None):
+    self.monotonic = False
     if isinstance(data, str):
       self._parse_internal(data)
     elif data:
+      assert len(data) % 2 == 0
       self.data = tuple(self._remove_pairs(data))
+      self.monotonic = all(x < y for x, y in zip(self.data, self.data[1:]))
     else:
       self.data = ()
 
@@ -37,8 +40,10 @@ def __iter__(self):
 
   def __eq__(self, other):
     return self.data == other.data
+
   def __ne__(self, other):
     return self.data != other.data
+
   def __nonzero__(self):
     return bool(self.data)
 
@@ -72,9 +77,9 @@ def _parse_internal(self, text):
     monotonic = True
     for p in text.split():
       if "-" in p:
-        s, e = p.split("-")
-        data.append(int(s))
-        data.append(int(e)+1)
+        s, e = (int(x) for x in p.split("-"))
+        data.append(s)
+        data.append(e+1)
         if last <= s <= e:
           last = e
         else:
@@ -86,13 +91,16 @@ def _parse_internal(self, text):
         if last <= s:
           last = s+1
         else:
-          monotonic = True
+          monotonic = False
     data.sort()
     self.data = tuple(self._remove_pairs(data))
     self.monotonic = monotonic
 
   @staticmethod
   def _remove_pairs(source):
+    """Remove consecutive duplicate items to simplify the result.
+
+    [1, 2, 2, 5, 5, 10] will become [1, 10]."""
     last = None
     for i in source:
       if i == last:
@@ -115,6 +123,7 @@ def to_string(self):
     return " ".join(out)
 
   def to_string_raw(self):
+    assert self.data
     return str(len(self.data)) + "," + ",".join(str(i) for i in self.data)
 
   def union(self, other):
@@ -185,7 +194,7 @@ def overlaps(self, other):
     # This is like intersect, but we can stop as soon as we discover the
     # output is going to be nonempty.
     z = 0
-    for p, d in heapq.merge(zip(self.data, itertools.cycle((+1, -1))),
+    for _, d in heapq.merge(zip(self.data, itertools.cycle((+1, -1))),
                             zip(other.data, itertools.cycle((+1, -1)))):
       if (z == 1 and d == 1) or (z == 2 and d == -1):
         return True
@@ -237,6 +246,74 @@ def map_within(self, other):
         out.append(offset + p - start)
     return RangeSet(data=out)
 
+  def extend(self, n):
+    """Extend the RangeSet by 'n' blocks.
+
+    The lower bound is guaranteed to be non-negative.
+
+    >>> RangeSet("0-9").extend(1)
+    <RangeSet("0-10")>
+    >>> RangeSet("10-19").extend(15)
+    <RangeSet("0-34")>
+    >>> RangeSet("10-19 30-39").extend(4)
+    <RangeSet("6-23 26-43")>
+    >>> RangeSet("10-19 30-39").extend(10)
+    <RangeSet("0-49")>
+    """
+    out = self
+    for i in range(0, len(self.data), 2):
+      s, e = self.data[i:i+2]
+      s1 = max(0, s - n)
+      e1 = e + n
+      out = out.union(RangeSet(str(s1) + "-" + str(e1-1)))
+    return out
+
+  def first(self, n):
+    """Return the RangeSet that contains at most the first 'n' integers.
+
+    >>> RangeSet("0-9").first(1)
+    <RangeSet("0")>
+    >>> RangeSet("10-19").first(5)
+    <RangeSet("10-14")>
+    >>> RangeSet("10-19").first(15)
+    <RangeSet("10-19")>
+    >>> RangeSet("10-19 30-39").first(3)
+    <RangeSet("10-12")>
+    >>> RangeSet("10-19 30-39").first(15)
+    <RangeSet("10-19 30-34")>
+    >>> RangeSet("10-19 30-39").first(30)
+    <RangeSet("10-19 30-39")>
+    >>> RangeSet("0-9").first(0)
+    <RangeSet("")>
+    """
+
+    if self.size() <= n:
+      return self
+
+    out = []
+    for s, e in self:
+      if e - s >= n:
+        out += (s, s+n)
+        break
+      else:
+        out += (s, e)
+        n -= e - s
+    return RangeSet(data=out)
+
+  def next_item(self):
+    """Return the next integer represented by the RangeSet.
+
+    >>> list(RangeSet("0-9").next_item())
+    [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
+    >>> list(RangeSet("10-19 3-5").next_item())
+    [3, 4, 5, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
+    >>> list(rangelib.RangeSet("10-19 3 5 7").next_item())
+    [3, 5, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
+    """
+    for s, e in self:
+      for element in range(s, e):
+        yield element
+
 
 if __name__ == "__main__":
   import doctest
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
deleted file mode 100755
index 931acb81a..000000000
--- a/tools/releasetools/sign_target_files_apks
+++ /dev/null
@@ -1,498 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (C) 2008 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""
-Signs all the APK files in a target-files zipfile, producing a new
-target-files zip.
-
-Usage:  sign_target_files_apks [flags] input_target_files output_target_files
-
-  -e  (--extra_apks)  <name,name,...=key>
-      Add extra APK name/key pairs as though they appeared in
-      apkcerts.txt (so mappings specified by -k and -d are applied).
-      Keys specified in -e override any value for that app contained
-      in the apkcerts.txt file.  Option may be repeated to give
-      multiple extra packages.
-
-  -k  (--key_mapping)  <src_key=dest_key>
-      Add a mapping from the key name as specified in apkcerts.txt (the
-      src_key) to the real key you wish to sign the package with
-      (dest_key).  Option may be repeated to give multiple key
-      mappings.
-
-  -d  (--default_key_mappings)  <dir>
-      Set up the following key mappings:
-
-        $devkey/devkey    ==>  $dir/releasekey
-        $devkey/testkey   ==>  $dir/releasekey
-        $devkey/media     ==>  $dir/media
-        $devkey/shared    ==>  $dir/shared
-        $devkey/platform  ==>  $dir/platform
-
-      where $devkey is the directory part of the value of
-      default_system_dev_certificate from the input target-files's
-      META/misc_info.txt.  (Defaulting to "build/target/product/security"
-      if the value is not present in misc_info.
-
-      -d and -k options are added to the set of mappings in the order
-      in which they appear on the command line.
-
-  -o  (--replace_ota_keys)
-      Replace the certificate (public key) used by OTA package
-      verification with the one specified in the input target_files
-      zip (in the META/otakeys.txt file).  Key remapping (-k and -d)
-      is performed on this key.
-
-  -t  (--tag_changes)  <+tag>,<-tag>,...
-      Comma-separated list of changes to make to the set of tags (in
-      the last component of the build fingerprint).  Prefix each with
-      '+' or '-' to indicate whether that tag should be added or
-      removed.  Changes are processed in the order they appear.
-      Default value is "-test-keys,-dev-keys,+release-keys".
-
-"""
-
-import sys
-
-if sys.hexversion < 0x02070000:
-  print >> sys.stderr, "Python 2.7 or newer is required."
-  sys.exit(1)
-
-import base64
-import cStringIO
-import copy
-import errno
-import os
-import re
-import shutil
-import subprocess
-import tempfile
-import zipfile
-
-import add_img_to_target_files
-import common
-
-OPTIONS = common.OPTIONS
-
-OPTIONS.extra_apks = {}
-OPTIONS.key_map = {}
-OPTIONS.replace_ota_keys = False
-OPTIONS.replace_verity_public_key = False
-OPTIONS.replace_verity_private_key = False
-OPTIONS.tag_changes = ("-test-keys", "-dev-keys", "+release-keys")
-
-def GetApkCerts(tf_zip):
-  certmap = common.ReadApkCerts(tf_zip)
-
-  # apply the key remapping to the contents of the file
-  for apk, cert in certmap.iteritems():
-    certmap[apk] = OPTIONS.key_map.get(cert, cert)
-
-  # apply all the -e options, overriding anything in the file
-  for apk, cert in OPTIONS.extra_apks.iteritems():
-    if not cert:
-      cert = "PRESIGNED"
-    certmap[apk] = OPTIONS.key_map.get(cert, cert)
-
-  return certmap
-
-
-def CheckAllApksSigned(input_tf_zip, apk_key_map):
-  """Check that all the APKs we want to sign have keys specified, and
-  error out if they don't."""
-  unknown_apks = []
-  for info in input_tf_zip.infolist():
-    if info.filename.endswith(".apk"):
-      name = os.path.basename(info.filename)
-      if name not in apk_key_map:
-        unknown_apks.append(name)
-  if unknown_apks:
-    print "ERROR: no key specified for:\n\n ",
-    print "\n  ".join(unknown_apks)
-    print "\nUse '-e <apkname>=' to specify a key (which may be an"
-    print "empty string to not sign this apk)."
-    sys.exit(1)
-
-
-def SignApk(data, keyname, pw):
-  unsigned = tempfile.NamedTemporaryFile()
-  unsigned.write(data)
-  unsigned.flush()
-
-  signed = tempfile.NamedTemporaryFile()
-
-  common.SignFile(unsigned.name, signed.name, keyname, pw, align=4)
-
-  data = signed.read()
-  unsigned.close()
-  signed.close()
-
-  return data
-
-
-def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
-                       apk_key_map, key_passwords):
-
-  maxsize = max([len(os.path.basename(i.filename))
-                 for i in input_tf_zip.infolist()
-                 if i.filename.endswith('.apk')])
-  rebuild_recovery = False
-
-  tmpdir = tempfile.mkdtemp()
-  def write_to_temp(fn, attr, data):
-    fn = os.path.join(tmpdir, fn)
-    if fn.endswith("/"):
-      fn = os.path.join(tmpdir, fn)
-      os.mkdir(fn)
-    else:
-      d = os.path.dirname(fn)
-      if d and not os.path.exists(d):
-        os.makedirs(d)
-
-      if attr >> 16 == 0xa1ff:
-        os.symlink(data, fn)
-      else:
-        with open(fn, "wb") as f:
-          f.write(data)
-
-  for info in input_tf_zip.infolist():
-    if info.filename.startswith("IMAGES/"): continue
-
-    data = input_tf_zip.read(info.filename)
-    out_info = copy.copy(info)
-
-    if (info.filename == "META/misc_info.txt" and
-        OPTIONS.replace_verity_private_key):
-      ReplaceVerityPrivateKey(input_tf_zip, output_tf_zip, misc_info, OPTIONS.replace_verity_private_key[1])
-    elif (info.filename == "BOOT/RAMDISK/verity_key" and
-        OPTIONS.replace_verity_public_key):
-      ReplaceVerityPublicKey(output_tf_zip, OPTIONS.replace_verity_public_key[1])
-    elif (info.filename.startswith("BOOT/") or
-        info.filename.startswith("RECOVERY/") or
-        info.filename.startswith("META/") or
-        info.filename == "SYSTEM/etc/recovery-resource.dat"):
-      write_to_temp(info.filename, info.external_attr, data)
-
-    if info.filename.endswith(".apk"):
-      name = os.path.basename(info.filename)
-      key = apk_key_map[name]
-      if key not in common.SPECIAL_CERT_STRINGS:
-        print "    signing: %-*s (%s)" % (maxsize, name, key)
-        signed_data = SignApk(data, key, key_passwords[key])
-        output_tf_zip.writestr(out_info, signed_data)
-      else:
-        # an APK we're not supposed to sign.
-        print "NOT signing: %s" % (name,)
-        output_tf_zip.writestr(out_info, data)
-    elif info.filename in ("SYSTEM/build.prop",
-                           "VENDOR/build.prop",
-                           "RECOVERY/RAMDISK/default.prop"):
-      print "rewriting %s:" % (info.filename,)
-      new_data = RewriteProps(data, misc_info)
-      output_tf_zip.writestr(out_info, new_data)
-      if info.filename == "RECOVERY/RAMDISK/default.prop":
-        write_to_temp(info.filename, info.external_attr, new_data)
-    elif info.filename.endswith("mac_permissions.xml"):
-      print "rewriting %s with new keys." % (info.filename,)
-      new_data = ReplaceCerts(data)
-      output_tf_zip.writestr(out_info, new_data)
-    elif info.filename in ("SYSTEM/recovery-from-boot.p",
-                           "SYSTEM/bin/install-recovery.sh"):
-      rebuild_recovery = True
-    elif (OPTIONS.replace_ota_keys and
-          info.filename in ("RECOVERY/RAMDISK/res/keys",
-                            "SYSTEM/etc/security/otacerts.zip")):
-      # don't copy these files if we're regenerating them below
-      pass
-    elif (OPTIONS.replace_verity_private_key and
-          info.filename == "META/misc_info.txt"):
-      pass
-    elif (OPTIONS.replace_verity_public_key and
-          info.filename == "BOOT/RAMDISK/verity_key"):
-      pass
-    else:
-      # a non-APK file; copy it verbatim
-      output_tf_zip.writestr(out_info, data)
-
-  if OPTIONS.replace_ota_keys:
-    new_recovery_keys = ReplaceOtaKeys(input_tf_zip, output_tf_zip, misc_info)
-    if new_recovery_keys:
-      write_to_temp("RECOVERY/RAMDISK/res/keys", 0755 << 16, new_recovery_keys)
-
-  if rebuild_recovery:
-    recovery_img = common.GetBootableImage(
-        "recovery.img", "recovery.img", tmpdir, "RECOVERY", info_dict=misc_info)
-    boot_img = common.GetBootableImage(
-        "boot.img", "boot.img", tmpdir, "BOOT", info_dict=misc_info)
-
-    def output_sink(fn, data):
-      output_tf_zip.writestr("SYSTEM/"+fn, data)
-
-    common.MakeRecoveryPatch(tmpdir, output_sink, recovery_img, boot_img,
-                             info_dict=misc_info)
-
-  shutil.rmtree(tmpdir)
-
-
-def ReplaceCerts(data):
-  """Given a string of data, replace all occurences of a set
-  of X509 certs with a newer set of X509 certs and return
-  the updated data string."""
-  for old, new in OPTIONS.key_map.iteritems():
-    try:
-      if OPTIONS.verbose:
-        print "    Replacing %s.x509.pem with %s.x509.pem" % (old, new)
-      f = open(old + ".x509.pem")
-      old_cert16 = base64.b16encode(common.ParseCertificate(f.read())).lower()
-      f.close()
-      f = open(new + ".x509.pem")
-      new_cert16 = base64.b16encode(common.ParseCertificate(f.read())).lower()
-      f.close()
-      # Only match entire certs.
-      pattern = "\\b"+old_cert16+"\\b"
-      (data, num) = re.subn(pattern, new_cert16, data, flags=re.IGNORECASE)
-      if OPTIONS.verbose:
-        print "    Replaced %d occurence(s) of %s.x509.pem with " \
-            "%s.x509.pem" % (num, old, new)
-    except IOError, e:
-      if (e.errno == errno.ENOENT and not OPTIONS.verbose):
-        continue
-
-      print "    Error accessing %s. %s. Skip replacing %s.x509.pem " \
-          "with %s.x509.pem." % (e.filename, e.strerror, old, new)
-
-  return data
-
-
-def EditTags(tags):
-  """Given a string containing comma-separated tags, apply the edits
-  specified in OPTIONS.tag_changes and return the updated string."""
-  tags = set(tags.split(","))
-  for ch in OPTIONS.tag_changes:
-    if ch[0] == "-":
-      tags.discard(ch[1:])
-    elif ch[0] == "+":
-      tags.add(ch[1:])
-  return ",".join(sorted(tags))
-
-
-def RewriteProps(data, misc_info):
-  output = []
-  for line in data.split("\n"):
-    line = line.strip()
-    original_line = line
-    if line and line[0] != '#' and "=" in line:
-      key, value = line.split("=", 1)
-      if (key in ("ro.build.fingerprint", "ro.vendor.build.fingerprint")
-          and misc_info.get("oem_fingerprint_properties") is None):
-        pieces = value.split("/")
-        pieces[-1] = EditTags(pieces[-1])
-        value = "/".join(pieces)
-      elif (key in ("ro.build.thumbprint", "ro.vendor.build.thumbprint")
-          and misc_info.get("oem_fingerprint_properties") is not None):
-        pieces = value.split("/")
-        pieces[-1] = EditTags(pieces[-1])
-        value = "/".join(pieces)
-      elif key == "ro.build.description":
-        pieces = value.split(" ")
-        assert len(pieces) == 5
-        pieces[-1] = EditTags(pieces[-1])
-        value = " ".join(pieces)
-      elif key == "ro.build.tags":
-        value = EditTags(value)
-      elif key == "ro.build.display.id":
-        # change, eg, "JWR66N dev-keys" to "JWR66N"
-        value = value.split()
-        if len(value) > 1 and value[-1].endswith("-keys"):
-          value.pop()
-        value = " ".join(value)
-      line = key + "=" + value
-    if line != original_line:
-      print "  replace: ", original_line
-      print "     with: ", line
-    output.append(line)
-  return "\n".join(output) + "\n"
-
-
-def ReplaceOtaKeys(input_tf_zip, output_tf_zip, misc_info):
-  try:
-    keylist = input_tf_zip.read("META/otakeys.txt").split()
-  except KeyError:
-    raise common.ExternalError("can't read META/otakeys.txt from input")
-
-  extra_recovery_keys = misc_info.get("extra_recovery_keys", None)
-  if extra_recovery_keys:
-    extra_recovery_keys = [OPTIONS.key_map.get(k, k) + ".x509.pem"
-                           for k in extra_recovery_keys.split()]
-    if extra_recovery_keys:
-      print "extra recovery-only key(s): " + ", ".join(extra_recovery_keys)
-  else:
-    extra_recovery_keys = []
-
-  mapped_keys = []
-  for k in keylist:
-    m = re.match(r"^(.*)\.x509\.pem$", k)
-    if not m:
-      raise common.ExternalError(
-          "can't parse \"%s\" from META/otakeys.txt" % (k,))
-    k = m.group(1)
-    mapped_keys.append(OPTIONS.key_map.get(k, k) + ".x509.pem")
-
-  if mapped_keys:
-    print "using:\n   ", "\n   ".join(mapped_keys)
-    print "for OTA package verification"
-  else:
-    devkey = misc_info.get("default_system_dev_certificate",
-                           "build/target/product/security/testkey")
-    mapped_keys.append(
-        OPTIONS.key_map.get(devkey, devkey) + ".x509.pem")
-    print "META/otakeys.txt has no keys; using", mapped_keys[0]
-
-  # recovery uses a version of the key that has been slightly
-  # predigested (by DumpPublicKey.java) and put in res/keys.
-  # extra_recovery_keys are used only in recovery.
-
-  p = common.Run(["java", "-jar",
-                  os.path.join(OPTIONS.search_path, "framework", "dumpkey.jar")]
-                 + mapped_keys + extra_recovery_keys,
-                 stdout=subprocess.PIPE)
-  new_recovery_keys, _ = p.communicate()
-  if p.returncode != 0:
-    raise common.ExternalError("failed to run dumpkeys")
-  common.ZipWriteStr(output_tf_zip, "RECOVERY/RAMDISK/res/keys",
-                     new_recovery_keys)
-
-  # SystemUpdateActivity uses the x509.pem version of the keys, but
-  # put into a zipfile system/etc/security/otacerts.zip.
-  # We DO NOT include the extra_recovery_keys (if any) here.
-
-  tempfile = cStringIO.StringIO()
-  certs_zip = zipfile.ZipFile(tempfile, "w")
-  for k in mapped_keys:
-    certs_zip.write(k)
-  certs_zip.close()
-  common.ZipWriteStr(output_tf_zip, "SYSTEM/etc/security/otacerts.zip",
-                     tempfile.getvalue())
-
-  return new_recovery_keys
-
-def ReplaceVerityPublicKey(targetfile_zip, key_path):
-  print "Replacing verity public key with %s" % key_path
-  with open(key_path) as f:
-    common.ZipWriteStr(targetfile_zip, "BOOT/RAMDISK/verity_key", f.read())
-
-def ReplaceVerityPrivateKey(targetfile_input_zip, targetfile_output_zip, misc_info, key_path):
-  print "Replacing verity private key with %s" % key_path
-  current_key = misc_info["verity_key"]
-  original_misc_info = targetfile_input_zip.read("META/misc_info.txt")
-  new_misc_info = original_misc_info.replace(current_key, key_path)
-  common.ZipWriteStr(targetfile_output_zip, "META/misc_info.txt", new_misc_info)
-
-def BuildKeyMap(misc_info, key_mapping_options):
-  for s, d in key_mapping_options:
-    if s is None:   # -d option
-      devkey = misc_info.get("default_system_dev_certificate",
-                             "build/target/product/security/testkey")
-      devkeydir = os.path.dirname(devkey)
-
-      OPTIONS.key_map.update({
-          devkeydir + "/testkey":  d + "/releasekey",
-          devkeydir + "/devkey":   d + "/releasekey",
-          devkeydir + "/media":    d + "/media",
-          devkeydir + "/shared":   d + "/shared",
-          devkeydir + "/platform": d + "/platform",
-          })
-    else:
-      OPTIONS.key_map[s] = d
-
-
-def main(argv):
-
-  key_mapping_options = []
-
-  def option_handler(o, a):
-    if o in ("-e", "--extra_apks"):
-      names, key = a.split("=")
-      names = names.split(",")
-      for n in names:
-        OPTIONS.extra_apks[n] = key
-    elif o in ("-d", "--default_key_mappings"):
-      key_mapping_options.append((None, a))
-    elif o in ("-k", "--key_mapping"):
-      key_mapping_options.append(a.split("=", 1))
-    elif o in ("-o", "--replace_ota_keys"):
-      OPTIONS.replace_ota_keys = True
-    elif o in ("-t", "--tag_changes"):
-      new = []
-      for i in a.split(","):
-        i = i.strip()
-        if not i or i[0] not in "-+":
-          raise ValueError("Bad tag change '%s'" % (i,))
-        new.append(i[0] + i[1:].strip())
-      OPTIONS.tag_changes = tuple(new)
-    elif o == "--replace_verity_public_key":
-      OPTIONS.replace_verity_public_key = (True, a)
-    elif o == "--replace_verity_private_key":
-      OPTIONS.replace_verity_private_key = (True, a)
-    else:
-      return False
-    return True
-
-  args = common.ParseOptions(argv, __doc__,
-                             extra_opts="e:d:k:ot:",
-                             extra_long_opts=["extra_apks=",
-                                              "default_key_mappings=",
-                                              "key_mapping=",
-                                              "replace_ota_keys",
-                                              "tag_changes=",
-                                              "replace_verity_public_key=",
-                                              "replace_verity_private_key="],
-                             extra_option_handler=option_handler)
-
-  if len(args) != 2:
-    common.Usage(__doc__)
-    sys.exit(1)
-
-  input_zip = zipfile.ZipFile(args[0], "r")
-  output_zip = zipfile.ZipFile(args[1], "w")
-
-  misc_info = common.LoadInfoDict(input_zip)
-
-  BuildKeyMap(misc_info, key_mapping_options)
-
-  apk_key_map = GetApkCerts(input_zip)
-  CheckAllApksSigned(input_zip, apk_key_map)
-
-  key_passwords = common.GetKeyPasswords(set(apk_key_map.values()))
-  ProcessTargetFiles(input_zip, output_zip, misc_info,
-                     apk_key_map, key_passwords)
-
-  input_zip.close()
-  output_zip.close()
-
-  add_img_to_target_files.AddImagesToTargetFiles(args[1])
-
-  print "done."
-
-
-if __name__ == '__main__':
-  try:
-    main(sys.argv[1:])
-  except common.ExternalError, e:
-    print
-    print "   ERROR: %s" % (e,)
-    print
-    sys.exit(1)
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
new file mode 120000
index 000000000..b5ec59a25
--- /dev/null
+++ b/tools/releasetools/sign_target_files_apks
@@ -0,0 +1 @@
+sign_target_files_apks.py
\ No newline at end of file
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
new file mode 100755
index 000000000..8efbd5238
--- /dev/null
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -0,0 +1,744 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Signs all the APK files in a target-files zipfile, producing a new
+target-files zip.
+
+Usage:  sign_target_files_apks [flags] input_target_files output_target_files
+
+  -e  (--extra_apks)  <name,name,...=key>
+      Add extra APK name/key pairs as though they appeared in
+      apkcerts.txt (so mappings specified by -k and -d are applied).
+      Keys specified in -e override any value for that app contained
+      in the apkcerts.txt file.  Option may be repeated to give
+      multiple extra packages.
+
+  -k  (--key_mapping)  <src_key=dest_key>
+      Add a mapping from the key name as specified in apkcerts.txt (the
+      src_key) to the real key you wish to sign the package with
+      (dest_key).  Option may be repeated to give multiple key
+      mappings.
+
+  -d  (--default_key_mappings)  <dir>
+      Set up the following key mappings:
+
+        $devkey/devkey    ==>  $dir/releasekey
+        $devkey/testkey   ==>  $dir/releasekey
+        $devkey/media     ==>  $dir/media
+        $devkey/shared    ==>  $dir/shared
+        $devkey/platform  ==>  $dir/platform
+
+      where $devkey is the directory part of the value of
+      default_system_dev_certificate from the input target-files's
+      META/misc_info.txt.  (Defaulting to "build/target/product/security"
+      if the value is not present in misc_info.
+
+      -d and -k options are added to the set of mappings in the order
+      in which they appear on the command line.
+
+  -o  (--replace_ota_keys)
+      Replace the certificate (public key) used by OTA package verification
+      with the ones specified in the input target_files zip (in the
+      META/otakeys.txt file). Key remapping (-k and -d) is performed on the
+      keys. For A/B devices, the payload verification key will be replaced
+      as well. If there're multiple OTA keys, only the first one will be used
+      for payload verification.
+
+  -t  (--tag_changes)  <+tag>,<-tag>,...
+      Comma-separated list of changes to make to the set of tags (in
+      the last component of the build fingerprint).  Prefix each with
+      '+' or '-' to indicate whether that tag should be added or
+      removed.  Changes are processed in the order they appear.
+      Default value is "-test-keys,-dev-keys,+release-keys".
+
+  --replace_verity_private_key <key>
+      Replace the private key used for verity signing. It expects a filename
+      WITHOUT the extension (e.g. verity_key).
+
+  --replace_verity_public_key <key>
+      Replace the certificate (public key) used for verity verification. The
+      key file replaces the one at BOOT/RAMDISK/verity_key (or ROOT/verity_key
+      for devices using system_root_image). It expects the key filename WITH
+      the extension (e.g. verity_key.pub).
+
+  --replace_verity_keyid <path_to_X509_PEM_cert_file>
+      Replace the veritykeyid in BOOT/cmdline of input_target_file_zip
+      with keyid of the cert pointed by <path_to_X509_PEM_cert_file>.
+"""
+
+import sys
+
+if sys.hexversion < 0x02070000:
+  print >> sys.stderr, "Python 2.7 or newer is required."
+  sys.exit(1)
+
+import base64
+import cStringIO
+import copy
+import errno
+import os
+import re
+import shutil
+import subprocess
+import tempfile
+import zipfile
+
+import add_img_to_target_files
+import common
+
+OPTIONS = common.OPTIONS
+
+OPTIONS.extra_apks = {}
+OPTIONS.key_map = {}
+OPTIONS.replace_ota_keys = False
+OPTIONS.replace_verity_public_key = False
+OPTIONS.replace_verity_private_key = False
+OPTIONS.replace_verity_keyid = False
+OPTIONS.tag_changes = ("-test-keys", "-dev-keys", "+release-keys")
+
+def GetApkCerts(tf_zip):
+  certmap = common.ReadApkCerts(tf_zip)
+
+  # apply the key remapping to the contents of the file
+  for apk, cert in certmap.iteritems():
+    certmap[apk] = OPTIONS.key_map.get(cert, cert)
+
+  # apply all the -e options, overriding anything in the file
+  for apk, cert in OPTIONS.extra_apks.iteritems():
+    if not cert:
+      cert = "PRESIGNED"
+    certmap[apk] = OPTIONS.key_map.get(cert, cert)
+
+  return certmap
+
+
+def CheckAllApksSigned(input_tf_zip, apk_key_map):
+  """Check that all the APKs we want to sign have keys specified, and
+  error out if they don't."""
+  unknown_apks = []
+  for info in input_tf_zip.infolist():
+    if info.filename.endswith(".apk"):
+      name = os.path.basename(info.filename)
+      if name not in apk_key_map:
+        unknown_apks.append(name)
+  if unknown_apks:
+    print "ERROR: no key specified for:\n\n ",
+    print "\n  ".join(unknown_apks)
+    print "\nUse '-e <apkname>=' to specify a key (which may be an"
+    print "empty string to not sign this apk)."
+    sys.exit(1)
+
+
+def SignApk(data, keyname, pw, platform_api_level, codename_to_api_level_map):
+  unsigned = tempfile.NamedTemporaryFile()
+  unsigned.write(data)
+  unsigned.flush()
+
+  signed = tempfile.NamedTemporaryFile()
+
+  # For pre-N builds, don't upgrade to SHA-256 JAR signatures based on the APK's
+  # minSdkVersion to avoid increasing incremental OTA update sizes. If an APK
+  # didn't change, we don't want its signature to change due to the switch
+  # from SHA-1 to SHA-256.
+  # By default, APK signer chooses SHA-256 signatures if the APK's minSdkVersion
+  # is 18 or higher. For pre-N builds we disable this mechanism by pretending
+  # that the APK's minSdkVersion is 1.
+  # For N+ builds, we let APK signer rely on the APK's minSdkVersion to
+  # determine whether to use SHA-256.
+  min_api_level = None
+  if platform_api_level > 23:
+    # Let APK signer choose whether to use SHA-1 or SHA-256, based on the APK's
+    # minSdkVersion attribute
+    min_api_level = None
+  else:
+    # Force APK signer to use SHA-1
+    min_api_level = 1
+
+  common.SignFile(unsigned.name, signed.name, keyname, pw,
+      min_api_level=min_api_level,
+      codename_to_api_level_map=codename_to_api_level_map)
+
+  data = signed.read()
+  unsigned.close()
+  signed.close()
+
+  return data
+
+
+def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
+                       apk_key_map, key_passwords, platform_api_level,
+                       codename_to_api_level_map):
+
+  maxsize = max([len(os.path.basename(i.filename))
+                 for i in input_tf_zip.infolist()
+                 if i.filename.endswith('.apk')])
+  rebuild_recovery = False
+  system_root_image = misc_info.get("system_root_image") == "true"
+
+  # tmpdir will only be used to regenerate the recovery-from-boot patch.
+  tmpdir = tempfile.mkdtemp()
+  def write_to_temp(fn, attr, data):
+    fn = os.path.join(tmpdir, fn)
+    if fn.endswith("/"):
+      fn = os.path.join(tmpdir, fn)
+      os.mkdir(fn)
+    else:
+      d = os.path.dirname(fn)
+      if d and not os.path.exists(d):
+        os.makedirs(d)
+
+      if attr >> 16 == 0xa1ff:
+        os.symlink(data, fn)
+      else:
+        with open(fn, "wb") as f:
+          f.write(data)
+
+  for info in input_tf_zip.infolist():
+    if info.filename.startswith("IMAGES/"):
+      continue
+
+    data = input_tf_zip.read(info.filename)
+    out_info = copy.copy(info)
+
+    # Sign APKs.
+    if info.filename.endswith(".apk"):
+      name = os.path.basename(info.filename)
+      key = apk_key_map[name]
+      if key not in common.SPECIAL_CERT_STRINGS:
+        print "    signing: %-*s (%s)" % (maxsize, name, key)
+        signed_data = SignApk(data, key, key_passwords[key], platform_api_level,
+            codename_to_api_level_map)
+        common.ZipWriteStr(output_tf_zip, out_info, signed_data)
+      else:
+        # an APK we're not supposed to sign.
+        print "NOT signing: %s" % (name,)
+        common.ZipWriteStr(output_tf_zip, out_info, data)
+
+    # System properties.
+    elif info.filename in ("SYSTEM/build.prop",
+                           "VENDOR/build.prop",
+                           "BOOT/RAMDISK/default.prop",
+                           "ROOT/default.prop",
+                           "RECOVERY/RAMDISK/default.prop"):
+      print "rewriting %s:" % (info.filename,)
+      new_data = RewriteProps(data, misc_info)
+      common.ZipWriteStr(output_tf_zip, out_info, new_data)
+      if info.filename in ("BOOT/RAMDISK/default.prop",
+                           "ROOT/default.prop",
+                           "RECOVERY/RAMDISK/default.prop"):
+        write_to_temp(info.filename, info.external_attr, new_data)
+
+    elif info.filename.endswith("mac_permissions.xml"):
+      print "rewriting %s with new keys." % (info.filename,)
+      new_data = ReplaceCerts(data)
+      common.ZipWriteStr(output_tf_zip, out_info, new_data)
+    elif info.filename.startswith("SYSTEM/etc/permissions/"):
+      print("rewriting %s with new keys." % info.filename)
+      new_data = ReplaceCerts(data)
+      common.ZipWriteStr(output_tf_zip, out_info, new_data)
+
+    # Trigger a rebuild of the recovery patch if needed.
+    elif info.filename in ("SYSTEM/recovery-from-boot.p",
+                           "SYSTEM/etc/recovery.img",
+                           "SYSTEM/bin/install-recovery.sh"):
+      rebuild_recovery = True
+
+    # Don't copy OTA keys if we're replacing them.
+    elif (OPTIONS.replace_ota_keys and
+          info.filename in (
+              "BOOT/RAMDISK/res/keys",
+              "BOOT/RAMDISK/etc/update_engine/update-payload-key.pub.pem",
+              "RECOVERY/RAMDISK/res/keys",
+              "SYSTEM/etc/security/otacerts.zip",
+              "SYSTEM/etc/update_engine/update-payload-key.pub.pem")):
+      pass
+
+    # Skip META/misc_info.txt if we will replace the verity private key later.
+    elif (OPTIONS.replace_verity_private_key and
+          info.filename == "META/misc_info.txt"):
+      pass
+
+    # Skip verity public key if we will replace it.
+    elif (OPTIONS.replace_verity_public_key and
+          info.filename in ("BOOT/RAMDISK/verity_key",
+                            "ROOT/verity_key")):
+      pass
+
+    # Skip verity keyid (for system_root_image use) if we will replace it.
+    elif (OPTIONS.replace_verity_keyid and
+          info.filename == "BOOT/cmdline"):
+      pass
+
+    # Skip the care_map as we will regenerate the system/vendor images.
+    elif (info.filename == "META/care_map.txt"):
+      pass
+
+    # Copy BOOT/, RECOVERY/, META/, ROOT/ to rebuild recovery patch. This case
+    # must come AFTER other matching rules.
+    elif (info.filename.startswith("BOOT/") or
+          info.filename.startswith("RECOVERY/") or
+          info.filename.startswith("META/") or
+          info.filename.startswith("ROOT/") or
+          info.filename == "SYSTEM/etc/recovery-resource.dat"):
+      write_to_temp(info.filename, info.external_attr, data)
+      common.ZipWriteStr(output_tf_zip, out_info, data)
+
+    # A non-APK file; copy it verbatim.
+    else:
+      common.ZipWriteStr(output_tf_zip, out_info, data)
+
+  if OPTIONS.replace_ota_keys:
+    new_recovery_keys = ReplaceOtaKeys(input_tf_zip, output_tf_zip, misc_info)
+    if new_recovery_keys:
+      if system_root_image:
+        recovery_keys_location = "BOOT/RAMDISK/res/keys"
+      else:
+        recovery_keys_location = "RECOVERY/RAMDISK/res/keys"
+      # The "new_recovery_keys" has been already written into the output_tf_zip
+      # while calling ReplaceOtaKeys(). We're just putting the same copy to
+      # tmpdir in case we need to regenerate the recovery-from-boot patch.
+      write_to_temp(recovery_keys_location, 0o755 << 16, new_recovery_keys)
+
+  # Replace the keyid string in META/misc_info.txt.
+  if OPTIONS.replace_verity_private_key:
+    ReplaceVerityPrivateKey(input_tf_zip, output_tf_zip, misc_info,
+                            OPTIONS.replace_verity_private_key[1])
+
+  if OPTIONS.replace_verity_public_key:
+    if system_root_image:
+      dest = "ROOT/verity_key"
+    else:
+      dest = "BOOT/RAMDISK/verity_key"
+    # We are replacing the one in boot image only, since the one under
+    # recovery won't ever be needed.
+    new_data = ReplaceVerityPublicKey(
+        output_tf_zip, dest, OPTIONS.replace_verity_public_key[1])
+    write_to_temp(dest, 0o755 << 16, new_data)
+
+  # Replace the keyid string in BOOT/cmdline.
+  if OPTIONS.replace_verity_keyid:
+    new_cmdline = ReplaceVerityKeyId(input_tf_zip, output_tf_zip,
+      OPTIONS.replace_verity_keyid[1])
+    # Writing the new cmdline to tmpdir is redundant as the bootimage
+    # gets build in the add_image_to_target_files and rebuild_recovery
+    # is not exercised while building the boot image for the A/B
+    # path
+    write_to_temp("BOOT/cmdline", 0o755 << 16, new_cmdline)
+
+  if rebuild_recovery:
+    recovery_img = common.GetBootableImage(
+        "recovery.img", "recovery.img", tmpdir, "RECOVERY", info_dict=misc_info)
+    boot_img = common.GetBootableImage(
+        "boot.img", "boot.img", tmpdir, "BOOT", info_dict=misc_info)
+
+    def output_sink(fn, data):
+      common.ZipWriteStr(output_tf_zip, "SYSTEM/" + fn, data)
+
+    common.MakeRecoveryPatch(tmpdir, output_sink, recovery_img, boot_img,
+                             info_dict=misc_info)
+
+  shutil.rmtree(tmpdir)
+
+
+def ReplaceCerts(data):
+  """Given a string of data, replace all occurences of a set
+  of X509 certs with a newer set of X509 certs and return
+  the updated data string."""
+  for old, new in OPTIONS.key_map.iteritems():
+    try:
+      if OPTIONS.verbose:
+        print "    Replacing %s.x509.pem with %s.x509.pem" % (old, new)
+      f = open(old + ".x509.pem")
+      old_cert16 = base64.b16encode(common.ParseCertificate(f.read())).lower()
+      f.close()
+      f = open(new + ".x509.pem")
+      new_cert16 = base64.b16encode(common.ParseCertificate(f.read())).lower()
+      f.close()
+      # Only match entire certs.
+      pattern = "\\b"+old_cert16+"\\b"
+      (data, num) = re.subn(pattern, new_cert16, data, flags=re.IGNORECASE)
+      if OPTIONS.verbose:
+        print "    Replaced %d occurence(s) of %s.x509.pem with " \
+            "%s.x509.pem" % (num, old, new)
+    except IOError as e:
+      if e.errno == errno.ENOENT and not OPTIONS.verbose:
+        continue
+
+      print "    Error accessing %s. %s. Skip replacing %s.x509.pem " \
+          "with %s.x509.pem." % (e.filename, e.strerror, old, new)
+
+  return data
+
+
+def EditTags(tags):
+  """Given a string containing comma-separated tags, apply the edits
+  specified in OPTIONS.tag_changes and return the updated string."""
+  tags = set(tags.split(","))
+  for ch in OPTIONS.tag_changes:
+    if ch[0] == "-":
+      tags.discard(ch[1:])
+    elif ch[0] == "+":
+      tags.add(ch[1:])
+  return ",".join(sorted(tags))
+
+
+def RewriteProps(data, misc_info):
+  output = []
+  for line in data.split("\n"):
+    line = line.strip()
+    original_line = line
+    if line and line[0] != '#' and "=" in line:
+      key, value = line.split("=", 1)
+      if (key in ("ro.build.fingerprint", "ro.vendor.build.fingerprint")
+          and misc_info.get("oem_fingerprint_properties") is None):
+        pieces = value.split("/")
+        pieces[-1] = EditTags(pieces[-1])
+        value = "/".join(pieces)
+      elif (key in ("ro.build.thumbprint", "ro.vendor.build.thumbprint")
+            and misc_info.get("oem_fingerprint_properties") is not None):
+        pieces = value.split("/")
+        pieces[-1] = EditTags(pieces[-1])
+        value = "/".join(pieces)
+      elif key == "ro.bootimage.build.fingerprint":
+        pieces = value.split("/")
+        pieces[-1] = EditTags(pieces[-1])
+        value = "/".join(pieces)
+      elif key == "ro.build.description":
+        pieces = value.split(" ")
+        #assert len(pieces) == 5
+        pieces[-1] = EditTags(pieces[-1])
+        value = " ".join(pieces)
+      elif key == "ro.build.tags":
+        value = EditTags(value)
+      elif key == "ro.build.display.id":
+        # change, eg, "JWR66N dev-keys" to "JWR66N"
+        value = value.split()
+        if len(value) > 1 and value[-1].endswith("-keys"):
+          value.pop()
+        value = " ".join(value)
+      line = key + "=" + value
+    if line != original_line:
+      print "  replace: ", original_line
+      print "     with: ", line
+    output.append(line)
+  return "\n".join(output) + "\n"
+
+
+def ReplaceOtaKeys(input_tf_zip, output_tf_zip, misc_info):
+  try:
+    keylist = input_tf_zip.read("META/otakeys.txt").split()
+  except KeyError:
+    raise common.ExternalError("can't read META/otakeys.txt from input")
+
+  extra_recovery_keys = misc_info.get("extra_recovery_keys", None)
+  if extra_recovery_keys:
+    extra_recovery_keys = [OPTIONS.key_map.get(k, k) + ".x509.pem"
+                           for k in extra_recovery_keys.split()]
+    if extra_recovery_keys:
+      print "extra recovery-only key(s): " + ", ".join(extra_recovery_keys)
+  else:
+    extra_recovery_keys = []
+
+  mapped_keys = []
+  for k in keylist:
+    m = re.match(r"^(.*)\.x509\.pem$", k)
+    if not m:
+      raise common.ExternalError(
+          "can't parse \"%s\" from META/otakeys.txt" % (k,))
+    k = m.group(1)
+    mapped_keys.append(OPTIONS.key_map.get(k, k) + ".x509.pem")
+
+  if mapped_keys:
+    print "using:\n   ", "\n   ".join(mapped_keys)
+    print "for OTA package verification"
+  else:
+    devkey = misc_info.get("default_system_dev_certificate",
+                           "build/target/product/security/testkey")
+    mapped_keys.append(
+        OPTIONS.key_map.get(devkey, devkey) + ".x509.pem")
+    print("META/otakeys.txt has no keys; using %s for OTA package"
+          " verification." % (mapped_keys[0],))
+
+  # recovery uses a version of the key that has been slightly
+  # predigested (by DumpPublicKey.java) and put in res/keys.
+  # extra_recovery_keys are used only in recovery.
+  cmd = ([OPTIONS.java_path] + OPTIONS.java_args +
+         ["-jar",
+          os.path.join(OPTIONS.search_path, "framework", "dumpkey.jar")] +
+         mapped_keys + extra_recovery_keys)
+  p = common.Run(cmd, stdout=subprocess.PIPE)
+  new_recovery_keys, _ = p.communicate()
+  if p.returncode != 0:
+    raise common.ExternalError("failed to run dumpkeys")
+
+  # system_root_image puts the recovery keys at BOOT/RAMDISK.
+  if misc_info.get("system_root_image") == "true":
+    recovery_keys_location = "BOOT/RAMDISK/res/keys"
+  else:
+    recovery_keys_location = "RECOVERY/RAMDISK/res/keys"
+  common.ZipWriteStr(output_tf_zip, recovery_keys_location, new_recovery_keys)
+
+  # Save the base64 key representation in the update for key-change
+  # validations
+  p = common.Run(["python", "vendor/cm/build/tools/getb64key.py",
+                 mapped_keys[0]], stdout=subprocess.PIPE)
+  data, _ = p.communicate()
+  if p.returncode == 0:
+    common.ZipWriteStr(output_tf_zip, "META/releasekey.txt", data)
+
+  # SystemUpdateActivity uses the x509.pem version of the keys, but
+  # put into a zipfile system/etc/security/otacerts.zip.
+  # We DO NOT include the extra_recovery_keys (if any) here.
+
+  temp_file = cStringIO.StringIO()
+  certs_zip = zipfile.ZipFile(temp_file, "w")
+  for k in mapped_keys:
+    common.ZipWrite(certs_zip, k)
+  common.ZipClose(certs_zip)
+  common.ZipWriteStr(output_tf_zip, "SYSTEM/etc/security/otacerts.zip",
+                     temp_file.getvalue())
+
+  # For A/B devices, update the payload verification key.
+  if misc_info.get("ab_update") == "true":
+    # Unlike otacerts.zip that may contain multiple keys, we can only specify
+    # ONE payload verification key.
+    if len(mapped_keys) > 1:
+      print("\n  WARNING: Found more than one OTA keys; Using the first one"
+            " as payload verification key.\n\n")
+
+    print "Using %s for payload verification." % (mapped_keys[0],)
+    cmd = common.Run(
+        ["openssl", "x509", "-pubkey", "-noout", "-in", mapped_keys[0]],
+        stdout=subprocess.PIPE)
+    pubkey, _ = cmd.communicate()
+    common.ZipWriteStr(
+        output_tf_zip,
+        "SYSTEM/etc/update_engine/update-payload-key.pub.pem",
+        pubkey)
+    common.ZipWriteStr(
+        output_tf_zip,
+        "BOOT/RAMDISK/etc/update_engine/update-payload-key.pub.pem",
+        pubkey)
+
+  return new_recovery_keys
+
+
+def ReplaceVerityPublicKey(targetfile_zip, filename, key_path):
+  print "Replacing verity public key with %s" % key_path
+  with open(key_path) as f:
+    data = f.read()
+  common.ZipWriteStr(targetfile_zip, filename, data)
+  return data
+
+
+def ReplaceVerityPrivateKey(targetfile_input_zip, targetfile_output_zip,
+                            misc_info, key_path):
+  print "Replacing verity private key with %s" % key_path
+  current_key = misc_info["verity_key"]
+  original_misc_info = targetfile_input_zip.read("META/misc_info.txt")
+  new_misc_info = original_misc_info.replace(current_key, key_path)
+  common.ZipWriteStr(targetfile_output_zip, "META/misc_info.txt", new_misc_info)
+  misc_info["verity_key"] = key_path
+
+
+def ReplaceVerityKeyId(targetfile_input_zip, targetfile_output_zip, keypath):
+  in_cmdline = targetfile_input_zip.read("BOOT/cmdline")
+  # copy in_cmdline to output_zip if veritykeyid is not present in in_cmdline
+  if "veritykeyid" not in in_cmdline:
+    common.ZipWriteStr(targetfile_output_zip, "BOOT/cmdline", in_cmdline)
+    return in_cmdline
+  out_cmdline = []
+  for param in in_cmdline.split():
+    if "veritykeyid" in param:
+      # extract keyid using openssl command
+      p = common.Run(["openssl", "x509", "-in", keypath, "-text"], stdout=subprocess.PIPE)
+      keyid, stderr = p.communicate()
+      keyid = re.search(r'keyid:([0-9a-fA-F:]*)', keyid).group(1).replace(':', '').lower()
+      print "Replacing verity keyid with %s error=%s" % (keyid, stderr)
+      out_cmdline.append("veritykeyid=id:%s" % (keyid,))
+    else:
+      out_cmdline.append(param)
+
+  out_cmdline = ' '.join(out_cmdline)
+  out_cmdline = out_cmdline.strip()
+  print "out_cmdline %s" % (out_cmdline)
+  common.ZipWriteStr(targetfile_output_zip, "BOOT/cmdline", out_cmdline)
+  return out_cmdline
+
+
+def BuildKeyMap(misc_info, key_mapping_options):
+  for s, d in key_mapping_options:
+    if s is None:   # -d option
+      devkey = misc_info.get("default_system_dev_certificate",
+                             "build/target/product/security/testkey")
+      devkeydir = os.path.dirname(devkey)
+
+      OPTIONS.key_map.update({
+          devkeydir + "/testkey":  d + "/releasekey",
+          devkeydir + "/devkey":   d + "/releasekey",
+          devkeydir + "/media":    d + "/media",
+          devkeydir + "/shared":   d + "/shared",
+          devkeydir + "/platform": d + "/platform",
+          })
+    else:
+      OPTIONS.key_map[s] = d
+
+
+def GetApiLevelAndCodename(input_tf_zip):
+  data = input_tf_zip.read("SYSTEM/build.prop")
+  api_level = None
+  codename = None
+  for line in data.split("\n"):
+    line = line.strip()
+    original_line = line
+    if line and line[0] != '#' and "=" in line:
+      key, value = line.split("=", 1)
+      key = key.strip()
+      if key == "ro.build.version.sdk":
+        api_level = int(value.strip())
+      elif key == "ro.build.version.codename":
+        codename = value.strip()
+
+  if api_level is None:
+    raise ValueError("No ro.build.version.sdk in SYSTEM/build.prop")
+  if codename is None:
+    raise ValueError("No ro.build.version.codename in SYSTEM/build.prop")
+
+  return (api_level, codename)
+
+
+def GetCodenameToApiLevelMap(input_tf_zip):
+  data = input_tf_zip.read("SYSTEM/build.prop")
+  api_level = None
+  codenames = None
+  for line in data.split("\n"):
+    line = line.strip()
+    original_line = line
+    if line and line[0] != '#' and "=" in line:
+      key, value = line.split("=", 1)
+      key = key.strip()
+      if key == "ro.build.version.sdk":
+        api_level = int(value.strip())
+      elif key == "ro.build.version.all_codenames":
+        codenames = value.strip().split(",")
+
+  if api_level is None:
+    raise ValueError("No ro.build.version.sdk in SYSTEM/build.prop")
+  if codenames is None:
+    raise ValueError("No ro.build.version.all_codenames in SYSTEM/build.prop")
+
+  result = dict()
+  for codename in codenames:
+    codename = codename.strip()
+    if len(codename) > 0:
+      result[codename] = api_level
+  return result
+
+
+def main(argv):
+
+  key_mapping_options = []
+
+  def option_handler(o, a):
+    if o in ("-e", "--extra_apks"):
+      names, key = a.split("=")
+      names = names.split(",")
+      for n in names:
+        OPTIONS.extra_apks[n] = key
+    elif o in ("-d", "--default_key_mappings"):
+      key_mapping_options.append((None, a))
+    elif o in ("-k", "--key_mapping"):
+      key_mapping_options.append(a.split("=", 1))
+    elif o in ("-o", "--replace_ota_keys"):
+      OPTIONS.replace_ota_keys = True
+    elif o in ("-t", "--tag_changes"):
+      new = []
+      for i in a.split(","):
+        i = i.strip()
+        if not i or i[0] not in "-+":
+          raise ValueError("Bad tag change '%s'" % (i,))
+        new.append(i[0] + i[1:].strip())
+      OPTIONS.tag_changes = tuple(new)
+    elif o == "--replace_verity_public_key":
+      OPTIONS.replace_verity_public_key = (True, a)
+    elif o == "--replace_verity_private_key":
+      OPTIONS.replace_verity_private_key = (True, a)
+    elif o == "--replace_verity_keyid":
+      OPTIONS.replace_verity_keyid = (True, a)
+    else:
+      return False
+    return True
+
+  args = common.ParseOptions(argv, __doc__,
+                             extra_opts="e:d:k:ot:",
+                             extra_long_opts=["extra_apks=",
+                                              "default_key_mappings=",
+                                              "key_mapping=",
+                                              "replace_ota_keys",
+                                              "tag_changes=",
+                                              "replace_verity_public_key=",
+                                              "replace_verity_private_key=",
+                                              "replace_verity_keyid="],
+                             extra_option_handler=option_handler)
+
+  if len(args) != 2:
+    common.Usage(__doc__)
+    sys.exit(1)
+
+  input_zip = zipfile.ZipFile(args[0], "r")
+  output_zip = zipfile.ZipFile(args[1], "w")
+
+  misc_info = common.LoadInfoDict(input_zip)
+
+  BuildKeyMap(misc_info, key_mapping_options)
+
+  apk_key_map = GetApkCerts(input_zip)
+  CheckAllApksSigned(input_zip, apk_key_map)
+
+  key_passwords = common.GetKeyPasswords(set(apk_key_map.values()))
+  platform_api_level, platform_codename = GetApiLevelAndCodename(input_zip)
+  codename_to_api_level_map = GetCodenameToApiLevelMap(input_zip)
+  # Android N will be API Level 24, but isn't yet.
+  # TODO: Remove this workaround once Android N is officially API Level 24.
+  if platform_api_level == 23 and platform_codename == "N":
+    platform_api_level = 24
+
+  ProcessTargetFiles(input_zip, output_zip, misc_info,
+                     apk_key_map, key_passwords,
+                     platform_api_level,
+                     codename_to_api_level_map)
+
+  common.ZipClose(input_zip)
+  common.ZipClose(output_zip)
+
+  # Skip building userdata.img and cache.img when signing the target files.
+  new_args = ["--is_signing", args[1]]
+  add_img_to_target_files.main(new_args)
+
+  print "done."
+
+
+if __name__ == '__main__':
+  try:
+    main(sys.argv[1:])
+  except common.ExternalError, e:
+    print
+    print "   ERROR: %s" % (e,)
+    print
+    sys.exit(1)
+  finally:
+    common.Cleanup()
diff --git a/tools/releasetools/sign_zip.py b/tools/releasetools/sign_zip.py
new file mode 100755
index 000000000..c40b1b42c
--- /dev/null
+++ b/tools/releasetools/sign_zip.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2017 The LineageOS Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Signs the given zip with the given key producing a new zip.
+
+Usage:  sign_release_zip [flags] input_zip output_zip
+
+  -k (--package_key) <key> Key to use to sign the package (default is
+      "build/target/product/security/testkey").
+"""
+import sys
+
+import common
+
+OPTIONS = common.OPTIONS
+
+OPTIONS.package_key = "build/target/product/security/testkey"
+
+def SignOutput(input_zip_name, output_zip_name):
+  key_passwords = common.GetKeyPasswords([OPTIONS.package_key])
+  pw = key_passwords[OPTIONS.package_key]
+
+  common.SignFile(input_zip_name, output_zip_name, OPTIONS.package_key, pw,
+                  whole_file=True)
+
+
+def main(argv):
+
+  def option_handler(o, a):
+    if o in ("-k", "--package_key"):
+      OPTIONS.package_key = a
+    else:
+      return False
+    return True
+
+  args = common.ParseOptions(argv, __doc__,
+                             extra_opts="k:",
+                             extra_long_opts=[
+                                 "package_key=",
+                             ], extra_option_handler=option_handler)
+  if len(args) != 2:
+    common.Usage(__doc__)
+    sys.exit(1)
+
+  SignOutput(args[0], args[1])
+
+
+if __name__ == '__main__':
+  try:
+    main(sys.argv[1:])
+  except common.ExternalError as e:
+    print()
+    print("   ERROR: %s" % e)
+    print()
+    sys.exit(1)
diff --git a/tools/releasetools/sparse_img.py b/tools/releasetools/sparse_img.py
index 7574747f5..4ba7560df 100644
--- a/tools/releasetools/sparse_img.py
+++ b/tools/releasetools/sparse_img.py
@@ -14,19 +14,26 @@
 
 import bisect
 import os
-import sys
 import struct
-import pprint
 from hashlib import sha1
 
-from rangelib import *
+import rangelib
+
 
 class SparseImage(object):
-  """Wraps a sparse image file (and optional file map) into an image
-  object suitable for passing to BlockImageDiff."""
+  """Wraps a sparse image file into an image object.
+
+  Wraps a sparse image file (and optional file map and clobbered_blocks) into
+  an image object suitable for passing to BlockImageDiff. file_map contains
+  the mapping between files and their blocks. clobbered_blocks contains the set
+  of blocks that should be always written to the target regardless of the old
+  contents (i.e. copying instead of patching). clobbered_blocks should be in
+  the form of a string like "0" or "0 1-5 8".
+  """
 
-  def __init__(self, simg_fn, file_map_fn=None):
-    self.simg_f = f = open(simg_fn, "rb")
+  def __init__(self, simg_fn, file_map_fn=None, clobbered_blocks=None,
+               mode="rb", build_map=True):
+    self.simg_f = f = open(simg_fn, mode)
 
     header_bin = f.read(28)
     header = struct.unpack("<I4H4I", header_bin)
@@ -38,8 +45,7 @@ def __init__(self, simg_fn, file_map_fn=None):
     chunk_hdr_sz = header[4]
     self.blocksize = blk_sz = header[5]
     self.total_blocks = total_blks = header[6]
-    total_chunks = header[7]
-    image_checksum = header[8]
+    self.total_chunks = total_chunks = header[7]
 
     if magic != 0xED26FF3A:
       raise ValueError("Magic should be 0xED26FF3A but is 0x%08X" % (magic,))
@@ -56,15 +62,18 @@ def __init__(self, simg_fn, file_map_fn=None):
     print("Total of %u %u-byte output blocks in %u input chunks."
           % (total_blks, blk_sz, total_chunks))
 
+    if not build_map:
+      return
+
     pos = 0   # in blocks
     care_data = []
     self.offset_map = offset_map = []
+    self.clobbered_blocks = rangelib.RangeSet(data=clobbered_blocks)
 
     for i in range(total_chunks):
       header_bin = f.read(12)
       header = struct.unpack("<2H2I", header_bin)
       chunk_type = header[0]
-      reserved1 = header[1]
       chunk_sz = header[2]
       total_sz = header[3]
       data_sz = total_sz - 12
@@ -102,21 +111,52 @@ def __init__(self, simg_fn, file_map_fn=None):
         raise ValueError("Unknown chunk type 0x%04X not supported" %
                          (chunk_type,))
 
-    self.care_map = RangeSet(care_data)
+    self.care_map = rangelib.RangeSet(care_data)
     self.offset_index = [i[0] for i in offset_map]
 
+    # Bug: 20881595
+    # Introduce extended blocks as a workaround for the bug. dm-verity may
+    # touch blocks that are not in the care_map due to block device
+    # read-ahead. It will fail if such blocks contain non-zeroes. We zero out
+    # the extended blocks explicitly to avoid dm-verity failures. 512 blocks
+    # are the maximum read-ahead we configure for dm-verity block devices.
+    extended = self.care_map.extend(512)
+    all_blocks = rangelib.RangeSet(data=(0, self.total_blocks))
+    extended = extended.intersect(all_blocks).subtract(self.care_map)
+    self.extended = extended
+
     if file_map_fn:
-      self.LoadFileBlockMap(file_map_fn)
+      self.LoadFileBlockMap(file_map_fn, self.clobbered_blocks)
     else:
       self.file_map = {"__DATA": self.care_map}
 
+  def AppendFillChunk(self, data, blocks):
+    f = self.simg_f
+
+    # Append a fill chunk
+    f.seek(0, os.SEEK_END)
+    f.write(struct.pack("<2H3I", 0xCAC2, 0, blocks, 16, data))
+
+    # Update the sparse header
+    self.total_blocks += blocks
+    self.total_chunks += 1
+
+    f.seek(16, os.SEEK_SET)
+    f.write(struct.pack("<2I", self.total_blocks, self.total_chunks))
+
   def ReadRangeSet(self, ranges):
     return [d for d in self._GetRangeData(ranges)]
 
-  def TotalSha1(self):
-    """Return the SHA-1 hash of all data in the 'care' regions of this image."""
+  def TotalSha1(self, include_clobbered_blocks=False):
+    """Return the SHA-1 hash of all data in the 'care' regions.
+
+    If include_clobbered_blocks is True, it returns the hash including the
+    clobbered_blocks."""
+    ranges = self.care_map
+    if not include_clobbered_blocks:
+      ranges = ranges.subtract(self.clobbered_blocks)
     h = sha1()
-    for d in self._GetRangeData(self.care_map):
+    for d in self._GetRangeData(ranges):
       h.update(d)
     return h.hexdigest()
 
@@ -159,34 +199,50 @@ def _GetRangeData(self, ranges):
           yield fill_data * (this_read * (self.blocksize >> 2))
         to_read -= this_read
 
-  def LoadFileBlockMap(self, fn):
+  def LoadFileBlockMap(self, fn, clobbered_blocks):
     remaining = self.care_map
     self.file_map = out = {}
 
     with open(fn) as f:
       for line in f:
         fn, ranges = line.split(None, 1)
-        ranges = RangeSet.parse(ranges)
+        ranges = rangelib.RangeSet.parse(ranges)
         out[fn] = ranges
         assert ranges.size() == ranges.intersect(remaining).size()
+
+        # Currently we assume that blocks in clobbered_blocks are not part of
+        # any file.
+        assert not clobbered_blocks.overlaps(ranges)
         remaining = remaining.subtract(ranges)
 
+    remaining = remaining.subtract(clobbered_blocks)
+
     # For all the remaining blocks in the care_map (ie, those that
-    # aren't part of the data for any file), divide them into blocks
-    # that are all zero and blocks that aren't.  (Zero blocks are
-    # handled specially because (1) there are usually a lot of them
-    # and (2) bsdiff handles files with long sequences of repeated
-    # bytes especially poorly.)
+    # aren't part of the data for any file nor part of the clobbered_blocks),
+    # divide them into blocks that are all zero and blocks that aren't.
+    # (Zero blocks are handled specially because (1) there are usually
+    # a lot of them and (2) bsdiff handles files with long sequences of
+    # repeated bytes especially poorly.)
 
     zero_blocks = []
     nonzero_blocks = []
     reference = '\0' * self.blocksize
 
+    # Workaround for bug 23227672. For squashfs, we don't have a system.map. So
+    # the whole system image will be treated as a single file. But for some
+    # unknown bug, the updater will be killed due to OOM when writing back the
+    # patched image to flash (observed on lenok-userdebug MEA49). Prior to
+    # getting a real fix, we evenly divide the non-zero blocks into smaller
+    # groups (currently 1024 blocks or 4MB per group).
+    # Bug: 23227672
+    MAX_BLOCKS_PER_GROUP = 1024
+    nonzero_groups = []
+
     f = self.simg_f
     for s, e in remaining:
       for b in range(s, e):
         idx = bisect.bisect_right(self.offset_index, b) - 1
-        chunk_start, chunk_len, filepos, fill_data = self.offset_map[idx]
+        chunk_start, _, filepos, fill_data = self.offset_map[idx]
         if filepos is not None:
           filepos += (b-chunk_start) * self.blocksize
           f.seek(filepos, os.SEEK_SET)
@@ -204,8 +260,24 @@ def LoadFileBlockMap(self, fn):
           nonzero_blocks.append(b)
           nonzero_blocks.append(b+1)
 
-    out["__ZERO"] = RangeSet(data=zero_blocks)
-    out["__NONZERO"] = RangeSet(data=nonzero_blocks)
+          if len(nonzero_blocks) >= MAX_BLOCKS_PER_GROUP:
+            nonzero_groups.append(nonzero_blocks)
+            # Clear the list.
+            nonzero_blocks = []
+
+    if nonzero_blocks:
+      nonzero_groups.append(nonzero_blocks)
+      nonzero_blocks = []
+
+    assert zero_blocks or nonzero_groups or clobbered_blocks
+
+    if zero_blocks:
+      out["__ZERO"] = rangelib.RangeSet(data=zero_blocks)
+    if nonzero_groups:
+      for i, blocks in enumerate(nonzero_groups):
+        out["__NONZERO-%d" % i] = rangelib.RangeSet(data=blocks)
+    if clobbered_blocks:
+      out["__COPY"] = clobbered_blocks
 
   def ResetFileMap(self):
     """Throw away the file map and treat the entire image as
diff --git a/tools/releasetools/target_files_diff.py b/tools/releasetools/target_files_diff.py
new file mode 100755
index 000000000..0f717e0b9
--- /dev/null
+++ b/tools/releasetools/target_files_diff.py
@@ -0,0 +1,238 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+#
+# Finds differences between two target files packages
+#
+
+from __future__ import print_function
+
+import argparse
+import contextlib
+import os
+import re
+import subprocess
+import sys
+import tempfile
+
+def ignore(name):
+  """
+  Files to ignore when diffing
+
+  These are packages that we're already diffing elsewhere,
+  or files that we expect to be different for every build,
+  or known problems.
+  """
+
+  # We're looking at the files that make the images, so no need to search them
+  if name in ['IMAGES']:
+    return True
+  # These are packages of the recovery partition, which we're already diffing
+  if name in ['SYSTEM/etc/recovery-resource.dat',
+              'SYSTEM/recovery-from-boot.p']:
+    return True
+
+  # These files are just the BUILD_NUMBER, and will always be different
+  if name in ['BOOT/RAMDISK/selinux_version',
+              'RECOVERY/RAMDISK/selinux_version']:
+    return True
+
+  # b/26956807 .odex files are not deterministic
+  if name.endswith('.odex'):
+    return True
+
+  return False
+
+
+def rewrite_build_property(original, new):
+  """
+  Rewrite property files to remove values known to change for every build
+  """
+
+  skipped = ['ro.bootimage.build.date=',
+             'ro.bootimage.build.date.utc=',
+             'ro.bootimage.build.fingerprint=',
+             'ro.build.id=',
+             'ro.build.display.id=',
+             'ro.build.version.incremental=',
+             'ro.build.date=',
+             'ro.build.date.utc=',
+             'ro.build.host=',
+             'ro.build.user=',
+             'ro.build.description=',
+             'ro.build.fingerprint=',
+             'ro.expect.recovery_id=',
+             'ro.vendor.build.date=',
+             'ro.vendor.build.date.utc=',
+             'ro.vendor.build.fingerprint=']
+
+  for line in original:
+    skip = False
+    for s in skipped:
+      if line.startswith(s):
+        skip = True
+        break
+    if not skip:
+      new.write(line)
+
+
+def trim_install_recovery(original, new):
+  """
+  Rewrite the install-recovery script to remove the hash of the recovery
+  partition.
+  """
+  for line in original:
+    new.write(re.sub(r'[0-9a-f]{40}', '0'*40, line))
+
+def sort_file(original, new):
+  """
+  Sort the file. Some OTA metadata files are not in a deterministic order
+  currently.
+  """
+  lines = original.readlines()
+  lines.sort()
+  for line in lines:
+    new.write(line)
+
+# Map files to the functions that will modify them for diffing
+REWRITE_RULES = {
+    'BOOT/RAMDISK/default.prop': rewrite_build_property,
+    'RECOVERY/RAMDISK/default.prop': rewrite_build_property,
+    'SYSTEM/build.prop': rewrite_build_property,
+    'VENDOR/build.prop': rewrite_build_property,
+
+    'SYSTEM/bin/install-recovery.sh': trim_install_recovery,
+
+    'META/boot_filesystem_config.txt': sort_file,
+    'META/filesystem_config.txt': sort_file,
+    'META/recovery_filesystem_config.txt': sort_file,
+    'META/vendor_filesystem_config.txt': sort_file,
+}
+
+@contextlib.contextmanager
+def preprocess(name, filename):
+  """
+  Optionally rewrite files before diffing them, to remove known-variable
+  information.
+  """
+  if name in REWRITE_RULES:
+    with tempfile.NamedTemporaryFile() as newfp:
+      with open(filename, 'r') as oldfp:
+        REWRITE_RULES[name](oldfp, newfp)
+      newfp.flush()
+      yield newfp.name
+  else:
+    yield filename
+
+def diff(name, file1, file2, out_file):
+  """
+  Diff a file pair with diff, running preprocess() on the arguments first.
+  """
+  with preprocess(name, file1) as f1:
+    with preprocess(name, file2) as f2:
+      proc = subprocess.Popen(['diff', f1, f2], stdout=subprocess.PIPE,
+                              stderr=subprocess.STDOUT)
+      (stdout, _) = proc.communicate()
+      if proc.returncode == 0:
+        return
+      stdout = stdout.strip()
+      if stdout == 'Binary files %s and %s differ' % (f1, f2):
+        print("%s: Binary files differ" % name, file=out_file)
+      else:
+        for line in stdout.strip().split('\n'):
+          print("%s: %s" % (name, line), file=out_file)
+
+def recursiveDiff(prefix, dir1, dir2, out_file):
+  """
+  Recursively diff two directories, checking metadata then calling diff()
+  """
+  list1 = sorted(os.listdir(dir1))
+  list2 = sorted(os.listdir(dir2))
+
+  for entry in list1:
+    name = os.path.join(prefix, entry)
+    name1 = os.path.join(dir1, entry)
+    name2 = os.path.join(dir2, entry)
+
+    if ignore(name):
+      continue
+
+    if entry in list2:
+      if os.path.islink(name1) and os.path.islink(name2):
+        link1 = os.readlink(name1)
+        link2 = os.readlink(name2)
+        if link1 != link2:
+          print("%s: Symlinks differ: %s vs %s" % (name, link1, link2),
+                file=out_file)
+        continue
+      elif os.path.islink(name1) or os.path.islink(name2):
+        print("%s: File types differ, skipping compare" % name, file=out_file)
+        continue
+
+      stat1 = os.stat(name1)
+      stat2 = os.stat(name2)
+      type1 = stat1.st_mode & ~0o777
+      type2 = stat2.st_mode & ~0o777
+
+      if type1 != type2:
+        print("%s: File types differ, skipping compare" % name, file=out_file)
+        continue
+
+      if stat1.st_mode != stat2.st_mode:
+        print("%s: Modes differ: %o vs %o" %
+            (name, stat1.st_mode, stat2.st_mode), file=out_file)
+
+      if os.path.isdir(name1):
+        recursiveDiff(name, name1, name2, out_file)
+      elif os.path.isfile(name1):
+        diff(name, name1, name2, out_file)
+      else:
+        print("%s: Unknown file type, skipping compare" % name, file=out_file)
+    else:
+      print("%s: Only in base package" % name, file=out_file)
+
+  for entry in list2:
+    name = os.path.join(prefix, entry)
+    name1 = os.path.join(dir1, entry)
+    name2 = os.path.join(dir2, entry)
+
+    if ignore(name):
+      continue
+
+    if entry not in list1:
+      print("%s: Only in new package" % name, file=out_file)
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('dir1', help='The base target files package (extracted)')
+  parser.add_argument('dir2', help='The new target files package (extracted)')
+  parser.add_argument('--output',
+      help='The output file, otherwise it prints to stdout')
+  args = parser.parse_args()
+
+  if args.output:
+    out_file = open(args.output, 'w')
+  else:
+    out_file = sys.stdout
+
+  recursiveDiff('', args.dir1, args.dir2, out_file)
+
+  if args.output:
+    out_file.close()
+
+if __name__ == '__main__':
+  main()
diff --git a/tools/releasetools/test_blockimgdiff.py b/tools/releasetools/test_blockimgdiff.py
new file mode 100644
index 000000000..03e8c8bee
--- /dev/null
+++ b/tools/releasetools/test_blockimgdiff.py
@@ -0,0 +1,77 @@
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+from __future__ import print_function
+
+import common
+import unittest
+
+from collections import OrderedDict
+from blockimgdiff import BlockImageDiff, EmptyImage, DataImage, Transfer
+from rangelib import RangeSet
+
+class BlockImageDiffTest(unittest.TestCase):
+
+  def test_GenerateDigraphOrder(self):
+    """Make sure GenerateDigraph preserves the order.
+
+    t0: <0-5> => <...>
+    t1: <0-7> => <...>
+    t2: <0-4> => <...>
+    t3: <...> => <0-10>
+
+    t0, t1 and t2 must go before t3, i.e. t3.goes_after =
+    { t0:..., t1:..., t2:... }. But the order of t0-t2 must be preserved.
+    """
+
+    src = EmptyImage()
+    tgt = EmptyImage()
+    block_image_diff = BlockImageDiff(tgt, src)
+
+    transfers = block_image_diff.transfers
+    t0 = Transfer(
+        "t1", "t1", RangeSet("10-15"), RangeSet("0-5"), "move", transfers)
+    t1 = Transfer(
+        "t2", "t2", RangeSet("20-25"), RangeSet("0-7"), "move", transfers)
+    t2 = Transfer(
+        "t3", "t3", RangeSet("30-35"), RangeSet("0-4"), "move", transfers)
+    t3 = Transfer(
+        "t4", "t4", RangeSet("0-10"), RangeSet("40-50"), "move", transfers)
+
+    block_image_diff.GenerateDigraph()
+    t3_goes_after_copy = t3.goes_after.copy()
+
+    # Elements in the set must be in the transfer evaluation order.
+    elements = list(t3_goes_after_copy)
+    self.assertEqual(t0, elements[0])
+    self.assertEqual(t1, elements[1])
+    self.assertEqual(t2, elements[2])
+
+    # Now switch the order of t0, t1 and t2.
+    transfers[0], transfers[1], transfers[2] = (
+        transfers[2], transfers[0], transfers[1])
+    t3.goes_after.clear()
+    t3.goes_before.clear()
+    block_image_diff.GenerateDigraph()
+
+    # The goes_after must be different from last run.
+    self.assertNotEqual(t3_goes_after_copy, t3.goes_after)
+
+    # Assert that each element must agree with the transfer order.
+    elements = list(t3.goes_after)
+    self.assertEqual(t2, elements[0])
+    self.assertEqual(t0, elements[1])
+    self.assertEqual(t1, elements[2])
diff --git a/tools/releasetools/test_common.py b/tools/releasetools/test_common.py
new file mode 100644
index 000000000..a8613465c
--- /dev/null
+++ b/tools/releasetools/test_common.py
@@ -0,0 +1,297 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import os
+import tempfile
+import time
+import unittest
+import zipfile
+
+import common
+
+
+def random_string_with_holes(size, block_size, step_size):
+  data = ["\0"] * size
+  for begin in range(0, size, step_size):
+    end = begin + block_size
+    data[begin:end] = os.urandom(block_size)
+  return "".join(data)
+
+def get_2gb_string():
+  kilobytes = 1024
+  megabytes = 1024 * kilobytes
+  gigabytes = 1024 * megabytes
+
+  size = int(2 * gigabytes + 1)
+  block_size = 4 * kilobytes
+  step_size = 4 * megabytes
+  two_gb_string = random_string_with_holes(
+        size, block_size, step_size)
+  return two_gb_string
+
+
+class CommonZipTest(unittest.TestCase):
+  def _verify(self, zip_file, zip_file_name, arcname, contents,
+              test_file_name=None, expected_stat=None, expected_mode=0o644,
+              expected_compress_type=zipfile.ZIP_STORED):
+    # Verify the stat if present.
+    if test_file_name is not None:
+      new_stat = os.stat(test_file_name)
+      self.assertEqual(int(expected_stat.st_mode), int(new_stat.st_mode))
+      self.assertEqual(int(expected_stat.st_mtime), int(new_stat.st_mtime))
+
+    # Reopen the zip file to verify.
+    zip_file = zipfile.ZipFile(zip_file_name, "r")
+
+    # Verify the timestamp.
+    info = zip_file.getinfo(arcname)
+    self.assertEqual(info.date_time, (2009, 1, 1, 0, 0, 0))
+
+    # Verify the file mode.
+    mode = (info.external_attr >> 16) & 0o777
+    self.assertEqual(mode, expected_mode)
+
+    # Verify the compress type.
+    self.assertEqual(info.compress_type, expected_compress_type)
+
+    # Verify the zip contents.
+    self.assertEqual(zip_file.read(arcname), contents)
+    self.assertIsNone(zip_file.testzip())
+
+  def _test_ZipWrite(self, contents, extra_zipwrite_args=None):
+    extra_zipwrite_args = dict(extra_zipwrite_args or {})
+
+    test_file = tempfile.NamedTemporaryFile(delete=False)
+    test_file_name = test_file.name
+
+    zip_file = tempfile.NamedTemporaryFile(delete=False)
+    zip_file_name = zip_file.name
+
+    # File names within an archive strip the leading slash.
+    arcname = extra_zipwrite_args.get("arcname", test_file_name)
+    if arcname[0] == "/":
+      arcname = arcname[1:]
+
+    zip_file.close()
+    zip_file = zipfile.ZipFile(zip_file_name, "w")
+
+    try:
+      test_file.write(contents)
+      test_file.close()
+
+      expected_stat = os.stat(test_file_name)
+      expected_mode = extra_zipwrite_args.get("perms", 0o644)
+      expected_compress_type = extra_zipwrite_args.get("compress_type",
+                                                       zipfile.ZIP_STORED)
+      time.sleep(5)  # Make sure the atime/mtime will change measurably.
+
+      common.ZipWrite(zip_file, test_file_name, **extra_zipwrite_args)
+      common.ZipClose(zip_file)
+
+      self._verify(zip_file, zip_file_name, arcname, contents, test_file_name,
+                   expected_stat, expected_mode, expected_compress_type)
+    finally:
+      os.remove(test_file_name)
+      os.remove(zip_file_name)
+
+  def _test_ZipWriteStr(self, zinfo_or_arcname, contents, extra_args=None):
+    extra_args = dict(extra_args or {})
+
+    zip_file = tempfile.NamedTemporaryFile(delete=False)
+    zip_file_name = zip_file.name
+    zip_file.close()
+
+    zip_file = zipfile.ZipFile(zip_file_name, "w")
+
+    try:
+      expected_compress_type = extra_args.get("compress_type",
+                                              zipfile.ZIP_STORED)
+      time.sleep(5)  # Make sure the atime/mtime will change measurably.
+
+      if not isinstance(zinfo_or_arcname, zipfile.ZipInfo):
+        arcname = zinfo_or_arcname
+        expected_mode = extra_args.get("perms", 0o644)
+      else:
+        arcname = zinfo_or_arcname.filename
+        expected_mode = extra_args.get("perms",
+                                       zinfo_or_arcname.external_attr >> 16)
+
+      common.ZipWriteStr(zip_file, zinfo_or_arcname, contents, **extra_args)
+      common.ZipClose(zip_file)
+
+      self._verify(zip_file, zip_file_name, arcname, contents,
+                   expected_mode=expected_mode,
+                   expected_compress_type=expected_compress_type)
+    finally:
+      os.remove(zip_file_name)
+
+  def _test_ZipWriteStr_large_file(self, large, small, extra_args=None):
+    extra_args = dict(extra_args or {})
+
+    zip_file = tempfile.NamedTemporaryFile(delete=False)
+    zip_file_name = zip_file.name
+
+    test_file = tempfile.NamedTemporaryFile(delete=False)
+    test_file_name = test_file.name
+
+    arcname_large = test_file_name
+    arcname_small = "bar"
+
+    # File names within an archive strip the leading slash.
+    if arcname_large[0] == "/":
+      arcname_large = arcname_large[1:]
+
+    zip_file.close()
+    zip_file = zipfile.ZipFile(zip_file_name, "w")
+
+    try:
+      test_file.write(large)
+      test_file.close()
+
+      expected_stat = os.stat(test_file_name)
+      expected_mode = 0o644
+      expected_compress_type = extra_args.get("compress_type",
+                                              zipfile.ZIP_STORED)
+      time.sleep(5)  # Make sure the atime/mtime will change measurably.
+
+      common.ZipWrite(zip_file, test_file_name, **extra_args)
+      common.ZipWriteStr(zip_file, arcname_small, small, **extra_args)
+      common.ZipClose(zip_file)
+
+      # Verify the contents written by ZipWrite().
+      self._verify(zip_file, zip_file_name, arcname_large, large,
+                   test_file_name, expected_stat, expected_mode,
+                   expected_compress_type)
+
+      # Verify the contents written by ZipWriteStr().
+      self._verify(zip_file, zip_file_name, arcname_small, small,
+                   expected_compress_type=expected_compress_type)
+    finally:
+      os.remove(zip_file_name)
+      os.remove(test_file_name)
+
+  def _test_reset_ZIP64_LIMIT(self, func, *args):
+    default_limit = (1 << 31) - 1
+    self.assertEqual(default_limit, zipfile.ZIP64_LIMIT)
+    func(*args)
+    self.assertEqual(default_limit, zipfile.ZIP64_LIMIT)
+
+  def test_ZipWrite(self):
+    file_contents = os.urandom(1024)
+    self._test_ZipWrite(file_contents)
+
+  def test_ZipWrite_with_opts(self):
+    file_contents = os.urandom(1024)
+    self._test_ZipWrite(file_contents, {
+        "arcname": "foobar",
+        "perms": 0o777,
+        "compress_type": zipfile.ZIP_DEFLATED,
+    })
+    self._test_ZipWrite(file_contents, {
+        "arcname": "foobar",
+        "perms": 0o700,
+        "compress_type": zipfile.ZIP_STORED,
+    })
+
+  def test_ZipWrite_large_file(self):
+    file_contents = get_2gb_string()
+    self._test_ZipWrite(file_contents, {
+        "compress_type": zipfile.ZIP_DEFLATED,
+    })
+
+  def test_ZipWrite_resets_ZIP64_LIMIT(self):
+    self._test_reset_ZIP64_LIMIT(self._test_ZipWrite, "")
+
+  def test_ZipWriteStr(self):
+    random_string = os.urandom(1024)
+    # Passing arcname
+    self._test_ZipWriteStr("foo", random_string)
+
+    # Passing zinfo
+    zinfo = zipfile.ZipInfo(filename="foo")
+    self._test_ZipWriteStr(zinfo, random_string)
+
+    # Timestamp in the zinfo should be overwritten.
+    zinfo.date_time = (2015, 3, 1, 15, 30, 0)
+    self._test_ZipWriteStr(zinfo, random_string)
+
+  def test_ZipWriteStr_with_opts(self):
+    random_string = os.urandom(1024)
+    # Passing arcname
+    self._test_ZipWriteStr("foo", random_string, {
+        "perms": 0o700,
+        "compress_type": zipfile.ZIP_DEFLATED,
+    })
+    self._test_ZipWriteStr("bar", random_string, {
+        "compress_type": zipfile.ZIP_STORED,
+    })
+
+    # Passing zinfo
+    zinfo = zipfile.ZipInfo(filename="foo")
+    self._test_ZipWriteStr(zinfo, random_string, {
+        "compress_type": zipfile.ZIP_DEFLATED,
+    })
+    self._test_ZipWriteStr(zinfo, random_string, {
+        "perms": 0o600,
+        "compress_type": zipfile.ZIP_STORED,
+    })
+
+  def test_ZipWriteStr_large_file(self):
+    # zipfile.writestr() doesn't work when the str size is over 2GiB even with
+    # the workaround. We will only test the case of writing a string into a
+    # large archive.
+    long_string = get_2gb_string()
+    short_string = os.urandom(1024)
+    self._test_ZipWriteStr_large_file(long_string, short_string, {
+        "compress_type": zipfile.ZIP_DEFLATED,
+    })
+
+  def test_ZipWriteStr_resets_ZIP64_LIMIT(self):
+    self._test_reset_ZIP64_LIMIT(self._test_ZipWriteStr, "foo", "")
+    zinfo = zipfile.ZipInfo(filename="foo")
+    self._test_reset_ZIP64_LIMIT(self._test_ZipWriteStr, zinfo, "")
+
+  def test_bug21309935(self):
+    zip_file = tempfile.NamedTemporaryFile(delete=False)
+    zip_file_name = zip_file.name
+    zip_file.close()
+
+    try:
+      random_string = os.urandom(1024)
+      zip_file = zipfile.ZipFile(zip_file_name, "w")
+      # Default perms should be 0o644 when passing the filename.
+      common.ZipWriteStr(zip_file, "foo", random_string)
+      # Honor the specified perms.
+      common.ZipWriteStr(zip_file, "bar", random_string, perms=0o755)
+      # The perms in zinfo should be untouched.
+      zinfo = zipfile.ZipInfo(filename="baz")
+      zinfo.external_attr = 0o740 << 16
+      common.ZipWriteStr(zip_file, zinfo, random_string)
+      # Explicitly specified perms has the priority.
+      zinfo = zipfile.ZipInfo(filename="qux")
+      zinfo.external_attr = 0o700 << 16
+      common.ZipWriteStr(zip_file, zinfo, random_string, perms=0o400)
+      common.ZipClose(zip_file)
+
+      self._verify(zip_file, zip_file_name, "foo", random_string,
+                   expected_mode=0o644)
+      self._verify(zip_file, zip_file_name, "bar", random_string,
+                   expected_mode=0o755)
+      self._verify(zip_file, zip_file_name, "baz", random_string,
+                   expected_mode=0o740)
+      self._verify(zip_file, zip_file_name, "qux", random_string,
+                   expected_mode=0o400)
+    finally:
+      os.remove(zip_file_name)
diff --git a/tools/releasetools/test_rangelib.py b/tools/releasetools/test_rangelib.py
new file mode 100644
index 000000000..edf1c4b5b
--- /dev/null
+++ b/tools/releasetools/test_rangelib.py
@@ -0,0 +1,137 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import unittest
+
+from rangelib import RangeSet
+
+class RangeSetTest(unittest.TestCase):
+
+  def test_union(self):
+    self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("18-29")),
+                     RangeSet("10-34"))
+    self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("22 32")),
+                     RangeSet("10-19 22 30-34"))
+
+  def test_intersect(self):
+    self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("18-32")),
+                     RangeSet("18-19 30-32"))
+    self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("22-28")),
+                     RangeSet(""))
+
+  def test_subtract(self):
+    self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("18-32")),
+                     RangeSet("10-17 33-34"))
+    self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("22-28")),
+                     RangeSet("10-19 30-34"))
+
+  def test_overlaps(self):
+    self.assertTrue(RangeSet("10-19 30-34").overlaps(RangeSet("18-32")))
+    self.assertFalse(RangeSet("10-19 30-34").overlaps(RangeSet("22-28")))
+
+  def test_size(self):
+    self.assertEqual(RangeSet("10-19 30-34").size(), 15)
+    self.assertEqual(RangeSet("").size(), 0)
+
+  def test_map_within(self):
+    self.assertEqual(RangeSet("0-9").map_within(RangeSet("3-4")),
+                     RangeSet("3-4"))
+    self.assertEqual(RangeSet("10-19").map_within(RangeSet("13-14")),
+                     RangeSet("3-4"))
+    self.assertEqual(
+        RangeSet("10-19 30-39").map_within(RangeSet("17-19 30-32")),
+        RangeSet("7-12"))
+    self.assertEqual(
+        RangeSet("10-19 30-39").map_within(RangeSet("12-13 17-19 30-32")),
+        RangeSet("2-3 7-12"))
+
+  def test_first(self):
+    self.assertEqual(RangeSet("0-9").first(1), RangeSet("0"))
+    self.assertEqual(RangeSet("10-19").first(5), RangeSet("10-14"))
+    self.assertEqual(RangeSet("10-19").first(15), RangeSet("10-19"))
+    self.assertEqual(RangeSet("10-19 30-39").first(3), RangeSet("10-12"))
+    self.assertEqual(RangeSet("10-19 30-39").first(15),
+                     RangeSet("10-19 30-34"))
+    self.assertEqual(RangeSet("10-19 30-39").first(30),
+                     RangeSet("10-19 30-39"))
+    self.assertEqual(RangeSet("0-9").first(0), RangeSet(""))
+
+  def test_extend(self):
+    self.assertEqual(RangeSet("0-9").extend(1), RangeSet("0-10"))
+    self.assertEqual(RangeSet("10-19").extend(15), RangeSet("0-34"))
+    self.assertEqual(RangeSet("10-19 30-39").extend(4), RangeSet("6-23 26-43"))
+    self.assertEqual(RangeSet("10-19 30-39").extend(10), RangeSet("0-49"))
+
+  def test_equality(self):
+    self.assertTrue(RangeSet("") == RangeSet(""))
+    self.assertTrue(RangeSet("3") == RangeSet("3"))
+    self.assertTrue(RangeSet("3 5") == RangeSet("5 3"))
+    self.assertTrue(
+        RangeSet("10-19 30-39") == RangeSet("30-32 10-14 33-39 15-19"))
+    self.assertTrue(RangeSet("") != RangeSet("3"))
+    self.assertTrue(RangeSet("10-19") != RangeSet("10-19 20"))
+
+    self.assertFalse(RangeSet(""))
+    self.assertTrue(RangeSet("3"))
+
+  def test_init(self):
+    self.assertIsNotNone(RangeSet(""))
+    self.assertIsNotNone(RangeSet("3"))
+    self.assertIsNotNone(RangeSet("3 5"))
+    self.assertIsNotNone(RangeSet("10 19 30-39"))
+
+    with self.assertRaises(AssertionError):
+      RangeSet(data=[0])
+
+  def test_str(self):
+    self.assertEqual(str(RangeSet("0-9")), "0-9")
+    self.assertEqual(str(RangeSet("2-10 12")), "2-10 12")
+    self.assertEqual(str(RangeSet("11 2-10 12 1 0")), "0-12")
+    self.assertEqual(str(RangeSet("")), "empty")
+
+  def test_to_string_raw(self):
+    self.assertEqual(RangeSet("0-9").to_string_raw(), "2,0,10")
+    self.assertEqual(RangeSet("2-10 12").to_string_raw(), "4,2,11,12,13")
+    self.assertEqual(RangeSet("11 2-10 12 1 0").to_string_raw(), "2,0,13")
+
+    with self.assertRaises(AssertionError):
+      RangeSet("").to_string_raw()
+
+  def test_monotonic(self):
+    self.assertTrue(RangeSet("0-9").monotonic)
+    self.assertTrue(RangeSet("2-9").monotonic)
+    self.assertTrue(RangeSet("2-9 30 31 35").monotonic)
+    self.assertTrue(RangeSet("").monotonic)
+    self.assertTrue(RangeSet("0-4 5-9").monotonic)
+    self.assertFalse(RangeSet("5-9 0-4").monotonic)
+    self.assertFalse(RangeSet("258768-259211 196604").monotonic)
+
+    self.assertTrue(RangeSet(data=[0, 10]).monotonic)
+    self.assertTrue(RangeSet(data=[0, 10, 15, 20]).monotonic)
+    self.assertTrue(RangeSet(data=[2, 9, 30, 31, 31, 32, 35, 36]).monotonic)
+    self.assertTrue(RangeSet(data=[0, 5, 5, 10]).monotonic)
+    self.assertFalse(RangeSet(data=[5, 10, 0, 5]).monotonic)
+
+  def test_next_item(self):
+    self.assertEqual(
+        list(RangeSet("0-9").next_item()),
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
+    self.assertEqual(
+        list(RangeSet("10-19 3-5").next_item()),
+        [3, 4, 5, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19])
+    self.assertEqual(
+        list(RangeSet("10-19 3 5 7").next_item()),
+        [3, 5, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19])
diff --git a/tools/signapk/Android.mk b/tools/signapk/Android.mk
index 620ccb1f4..ac217c7e4 100644
--- a/tools/signapk/Android.mk
+++ b/tools/signapk/Android.mk
@@ -19,13 +19,20 @@ LOCAL_PATH := $(call my-dir)
 # ============================================================
 include $(CLEAR_VARS)
 LOCAL_MODULE := signapk
-LOCAL_SRC_FILES := SignApk.java
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
 LOCAL_JAR_MANIFEST := SignApk.mf
-LOCAL_STATIC_JAVA_LIBRARIES := bouncycastle-host bouncycastle-bcpkix-host
+LOCAL_STATIC_JAVA_LIBRARIES := bouncycastle-host bouncycastle-bcpkix-host conscrypt-host
+LOCAL_REQUIRED_MODULES := libconscrypt_openjdk_jni
 include $(BUILD_HOST_JAVA_LIBRARY)
 
 ifeq ($(TARGET_BUILD_APPS),)
-# The post-build signing tools need signapk.jar, but we don't
-# need this if we're just doing unbundled apps.
-$(call dist-for-goals,droidcore,$(LOCAL_INSTALLED_MODULE))
+ifeq ($(BRILLO),)
+# The post-build signing tools need signapk.jar and its shared libraries,
+# but we don't need this if we're just doing unbundled apps.
+my_dist_files := $(LOCAL_INSTALLED_MODULE) \
+    $(HOST_OUT_SHARED_LIBRARIES)/libconscrypt_openjdk_jni$(HOST_SHLIB_SUFFIX)
+
+$(call dist-for-goals,droidcore,$(my_dist_files))
+my_dist_files :=
+endif
 endif
diff --git a/tools/signapk/src/com/android/signapk/ApkSignerV2.java b/tools/signapk/src/com/android/signapk/ApkSignerV2.java
new file mode 100644
index 000000000..46cd11ecb
--- /dev/null
+++ b/tools/signapk/src/com/android/signapk/ApkSignerV2.java
@@ -0,0 +1,729 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.signapk;
+
+import java.nio.BufferUnderflowException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.security.DigestException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.KeyFactory;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.Signature;
+import java.security.SignatureException;
+import java.security.cert.CertificateEncodingException;
+import java.security.cert.X509Certificate;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.MGF1ParameterSpec;
+import java.security.spec.PSSParameterSpec;
+import java.security.spec.X509EncodedKeySpec;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * APK Signature Scheme v2 signer.
+ *
+ * <p>APK Signature Scheme v2 is a whole-file signature scheme which aims to protect every single
+ * bit of the APK, as opposed to the JAR Signature Scheme which protects only the names and
+ * uncompressed contents of ZIP entries.
+ */
+public abstract class ApkSignerV2 {
+    /*
+     * The two main goals of APK Signature Scheme v2 are:
+     * 1. Detect any unauthorized modifications to the APK. This is achieved by making the signature
+     *    cover every byte of the APK being signed.
+     * 2. Enable much faster signature and integrity verification. This is achieved by requiring
+     *    only a minimal amount of APK parsing before the signature is verified, thus completely
+     *    bypassing ZIP entry decompression and by making integrity verification parallelizable by
+     *    employing a hash tree.
+     *
+     * The generated signature block is wrapped into an APK Signing Block and inserted into the
+     * original APK immediately before the start of ZIP Central Directory. This is to ensure that
+     * JAR and ZIP parsers continue to work on the signed APK. The APK Signing Block is designed for
+     * extensibility. For example, a future signature scheme could insert its signatures there as
+     * well. The contract of the APK Signing Block is that all contents outside of the block must be
+     * protected by signatures inside the block.
+     */
+
+    public static final int SIGNATURE_RSA_PSS_WITH_SHA256 = 0x0101;
+    public static final int SIGNATURE_RSA_PSS_WITH_SHA512 = 0x0102;
+    public static final int SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA256 = 0x0103;
+    public static final int SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA512 = 0x0104;
+    public static final int SIGNATURE_ECDSA_WITH_SHA256 = 0x0201;
+    public static final int SIGNATURE_ECDSA_WITH_SHA512 = 0x0202;
+    public static final int SIGNATURE_DSA_WITH_SHA256 = 0x0301;
+    public static final int SIGNATURE_DSA_WITH_SHA512 = 0x0302;
+
+    /**
+     * {@code .SF} file header section attribute indicating that the APK is signed not just with
+     * JAR signature scheme but also with APK Signature Scheme v2 or newer. This attribute
+     * facilitates v2 signature stripping detection.
+     *
+     * <p>The attribute contains a comma-separated set of signature scheme IDs.
+     */
+    public static final String SF_ATTRIBUTE_ANDROID_APK_SIGNED_NAME = "X-Android-APK-Signed";
+    public static final String SF_ATTRIBUTE_ANDROID_APK_SIGNED_VALUE = "2";
+
+    private static final int CONTENT_DIGEST_CHUNKED_SHA256 = 0;
+    private static final int CONTENT_DIGEST_CHUNKED_SHA512 = 1;
+
+    private static final int CONTENT_DIGESTED_CHUNK_MAX_SIZE_BYTES = 1024 * 1024;
+
+    private static final byte[] APK_SIGNING_BLOCK_MAGIC =
+          new byte[] {
+              0x41, 0x50, 0x4b, 0x20, 0x53, 0x69, 0x67, 0x20,
+              0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x20, 0x34, 0x32,
+          };
+    private static final int APK_SIGNATURE_SCHEME_V2_BLOCK_ID = 0x7109871a;
+
+    private ApkSignerV2() {}
+
+    /**
+     * Signer configuration.
+     */
+    public static final class SignerConfig {
+        /** Private key. */
+        public PrivateKey privateKey;
+
+        /**
+         * Certificates, with the first certificate containing the public key corresponding to
+         * {@link #privateKey}.
+         */
+        public List<X509Certificate> certificates;
+
+        /**
+         * List of signature algorithms with which to sign (see {@code SIGNATURE_...} constants).
+         */
+        public List<Integer> signatureAlgorithms;
+    }
+
+    /**
+     * Signs the provided APK using APK Signature Scheme v2 and returns the signed APK as a list of
+     * consecutive chunks.
+     *
+     * <p>NOTE: To enable APK signature verifier to detect v2 signature stripping, header sections
+     * of META-INF/*.SF files of APK being signed must contain the
+     * {@code X-Android-APK-Signed: true} attribute.
+     *
+     * @param inputApk contents of the APK to be signed. The APK starts at the current position
+     *        of the buffer and ends at the limit of the buffer.
+     * @param signerConfigs signer configurations, one for each signer.
+     *
+     * @throws ApkParseException if the APK cannot be parsed.
+     * @throws InvalidKeyException if a signing key is not suitable for this signature scheme or
+     *         cannot be used in general.
+     * @throws SignatureException if an error occurs when computing digests of generating
+     *         signatures.
+     */
+    public static ByteBuffer[] sign(
+            ByteBuffer inputApk,
+            List<SignerConfig> signerConfigs)
+                    throws ApkParseException, InvalidKeyException, SignatureException {
+        // Slice/create a view in the inputApk to make sure that:
+        // 1. inputApk is what's between position and limit of the original inputApk, and
+        // 2. changes to position, limit, and byte order are not reflected in the original.
+        ByteBuffer originalInputApk = inputApk;
+        inputApk = originalInputApk.slice();
+        inputApk.order(ByteOrder.LITTLE_ENDIAN);
+
+        // Locate ZIP End of Central Directory (EoCD), Central Directory, and check that Central
+        // Directory is immediately followed by the ZIP End of Central Directory.
+        int eocdOffset = ZipUtils.findZipEndOfCentralDirectoryRecord(inputApk);
+        if (eocdOffset == -1) {
+            throw new ApkParseException("Failed to locate ZIP End of Central Directory");
+        }
+        if (ZipUtils.isZip64EndOfCentralDirectoryLocatorPresent(inputApk, eocdOffset)) {
+            throw new ApkParseException("ZIP64 format not supported");
+        }
+        inputApk.position(eocdOffset);
+        long centralDirSizeLong = ZipUtils.getZipEocdCentralDirectorySizeBytes(inputApk);
+        if (centralDirSizeLong > Integer.MAX_VALUE) {
+            throw new ApkParseException(
+                    "ZIP Central Directory size out of range: " + centralDirSizeLong);
+        }
+        int centralDirSize = (int) centralDirSizeLong;
+        long centralDirOffsetLong = ZipUtils.getZipEocdCentralDirectoryOffset(inputApk);
+        if (centralDirOffsetLong > Integer.MAX_VALUE) {
+            throw new ApkParseException(
+                    "ZIP Central Directory offset in file out of range: " + centralDirOffsetLong);
+        }
+        int centralDirOffset = (int) centralDirOffsetLong;
+        int expectedEocdOffset = centralDirOffset + centralDirSize;
+        if (expectedEocdOffset < centralDirOffset) {
+            throw new ApkParseException(
+                    "ZIP Central Directory extent too large. Offset: " + centralDirOffset
+                            + ", size: " + centralDirSize);
+        }
+        if (eocdOffset != expectedEocdOffset) {
+            throw new ApkParseException(
+                    "ZIP Central Directory not immeiately followed by ZIP End of"
+                            + " Central Directory. CD end: " + expectedEocdOffset
+                            + ", EoCD start: " + eocdOffset);
+        }
+
+        // Create ByteBuffers holding the contents of everything before ZIP Central Directory,
+        // ZIP Central Directory, and ZIP End of Central Directory.
+        inputApk.clear();
+        ByteBuffer beforeCentralDir = getByteBuffer(inputApk, centralDirOffset);
+        ByteBuffer centralDir = getByteBuffer(inputApk, eocdOffset - centralDirOffset);
+        // Create a copy of End of Central Directory because we'll need modify its contents later.
+        byte[] eocdBytes = new byte[inputApk.remaining()];
+        inputApk.get(eocdBytes);
+        ByteBuffer eocd = ByteBuffer.wrap(eocdBytes);
+        eocd.order(inputApk.order());
+
+        // Figure which which digests to use for APK contents.
+        Set<Integer> contentDigestAlgorithms = new HashSet<>();
+        for (SignerConfig signerConfig : signerConfigs) {
+            for (int signatureAlgorithm : signerConfig.signatureAlgorithms) {
+                contentDigestAlgorithms.add(
+                        getSignatureAlgorithmContentDigestAlgorithm(signatureAlgorithm));
+            }
+        }
+
+        // Compute digests of APK contents.
+        Map<Integer, byte[]> contentDigests; // digest algorithm ID -> digest
+        try {
+            contentDigests =
+                    computeContentDigests(
+                            contentDigestAlgorithms,
+                            new ByteBuffer[] {beforeCentralDir, centralDir, eocd});
+        } catch (DigestException e) {
+            throw new SignatureException("Failed to compute digests of APK", e);
+        }
+
+        // Sign the digests and wrap the signatures and signer info into an APK Signing Block.
+        ByteBuffer apkSigningBlock =
+                ByteBuffer.wrap(generateApkSigningBlock(signerConfigs, contentDigests));
+
+        // Update Central Directory Offset in End of Central Directory Record. Central Directory
+        // follows the APK Signing Block and thus is shifted by the size of the APK Signing Block.
+        centralDirOffset += apkSigningBlock.remaining();
+        eocd.clear();
+        ZipUtils.setZipEocdCentralDirectoryOffset(eocd, centralDirOffset);
+
+        // Follow the Java NIO pattern for ByteBuffer whose contents have been consumed.
+        originalInputApk.position(originalInputApk.limit());
+
+        // Reset positions (to 0) and limits (to capacity) in the ByteBuffers below to follow the
+        // Java NIO pattern for ByteBuffers which are ready for their contents to be read by caller.
+        // Contrary to the name, this does not clear the contents of these ByteBuffer.
+        beforeCentralDir.clear();
+        centralDir.clear();
+        eocd.clear();
+
+        // Insert APK Signing Block immediately before the ZIP Central Directory.
+        return new ByteBuffer[] {
+            beforeCentralDir,
+            apkSigningBlock,
+            centralDir,
+            eocd,
+        };
+    }
+
+    private static Map<Integer, byte[]> computeContentDigests(
+            Set<Integer> digestAlgorithms,
+            ByteBuffer[] contents) throws DigestException {
+        // For each digest algorithm the result is computed as follows:
+        // 1. Each segment of contents is split into consecutive chunks of 1 MB in size.
+        //    The final chunk will be shorter iff the length of segment is not a multiple of 1 MB.
+        //    No chunks are produced for empty (zero length) segments.
+        // 2. The digest of each chunk is computed over the concatenation of byte 0xa5, the chunk's
+        //    length in bytes (uint32 little-endian) and the chunk's contents.
+        // 3. The output digest is computed over the concatenation of the byte 0x5a, the number of
+        //    chunks (uint32 little-endian) and the concatenation of digests of chunks of all
+        //    segments in-order.
+
+        int chunkCount = 0;
+        for (ByteBuffer input : contents) {
+            chunkCount += getChunkCount(input.remaining(), CONTENT_DIGESTED_CHUNK_MAX_SIZE_BYTES);
+        }
+
+        final Map<Integer, byte[]> digestsOfChunks = new HashMap<>(digestAlgorithms.size());
+        for (int digestAlgorithm : digestAlgorithms) {
+            int digestOutputSizeBytes = getContentDigestAlgorithmOutputSizeBytes(digestAlgorithm);
+            byte[] concatenationOfChunkCountAndChunkDigests =
+                    new byte[5 + chunkCount * digestOutputSizeBytes];
+            concatenationOfChunkCountAndChunkDigests[0] = 0x5a;
+            setUnsignedInt32LittleEngian(
+                    chunkCount, concatenationOfChunkCountAndChunkDigests, 1);
+            digestsOfChunks.put(digestAlgorithm, concatenationOfChunkCountAndChunkDigests);
+        }
+
+        int chunkIndex = 0;
+        byte[] chunkContentPrefix = new byte[5];
+        chunkContentPrefix[0] = (byte) 0xa5;
+        // Optimization opportunity: digests of chunks can be computed in parallel.
+        for (ByteBuffer input : contents) {
+            while (input.hasRemaining()) {
+                int chunkSize =
+                        Math.min(input.remaining(), CONTENT_DIGESTED_CHUNK_MAX_SIZE_BYTES);
+                final ByteBuffer chunk = getByteBuffer(input, chunkSize);
+                for (int digestAlgorithm : digestAlgorithms) {
+                    String jcaAlgorithmName =
+                            getContentDigestAlgorithmJcaDigestAlgorithm(digestAlgorithm);
+                    MessageDigest md;
+                    try {
+                        md = MessageDigest.getInstance(jcaAlgorithmName);
+                    } catch (NoSuchAlgorithmException e) {
+                        throw new DigestException(
+                                jcaAlgorithmName + " MessageDigest not supported", e);
+                    }
+                    // Reset position to 0 and limit to capacity. Position would've been modified
+                    // by the preceding iteration of this loop. NOTE: Contrary to the method name,
+                    // this does not modify the contents of the chunk.
+                    chunk.clear();
+                    setUnsignedInt32LittleEngian(chunk.remaining(), chunkContentPrefix, 1);
+                    md.update(chunkContentPrefix);
+                    md.update(chunk);
+                    byte[] concatenationOfChunkCountAndChunkDigests =
+                            digestsOfChunks.get(digestAlgorithm);
+                    int expectedDigestSizeBytes =
+                            getContentDigestAlgorithmOutputSizeBytes(digestAlgorithm);
+                    int actualDigestSizeBytes =
+                            md.digest(
+                                    concatenationOfChunkCountAndChunkDigests,
+                                    5 + chunkIndex * expectedDigestSizeBytes,
+                                    expectedDigestSizeBytes);
+                    if (actualDigestSizeBytes != expectedDigestSizeBytes) {
+                        throw new DigestException(
+                                "Unexpected output size of " + md.getAlgorithm()
+                                        + " digest: " + actualDigestSizeBytes);
+                    }
+                }
+                chunkIndex++;
+            }
+        }
+
+        Map<Integer, byte[]> result = new HashMap<>(digestAlgorithms.size());
+        for (Map.Entry<Integer, byte[]> entry : digestsOfChunks.entrySet()) {
+            int digestAlgorithm = entry.getKey();
+            byte[] concatenationOfChunkCountAndChunkDigests = entry.getValue();
+            String jcaAlgorithmName = getContentDigestAlgorithmJcaDigestAlgorithm(digestAlgorithm);
+            MessageDigest md;
+            try {
+                md = MessageDigest.getInstance(jcaAlgorithmName);
+            } catch (NoSuchAlgorithmException e) {
+                throw new DigestException(jcaAlgorithmName + " MessageDigest not supported", e);
+            }
+            result.put(digestAlgorithm, md.digest(concatenationOfChunkCountAndChunkDigests));
+        }
+        return result;
+    }
+
+    private static final int getChunkCount(int inputSize, int chunkSize) {
+        return (inputSize + chunkSize - 1) / chunkSize;
+    }
+
+    private static void setUnsignedInt32LittleEngian(int value, byte[] result, int offset) {
+        result[offset] = (byte) (value & 0xff);
+        result[offset + 1] = (byte) ((value >> 8) & 0xff);
+        result[offset + 2] = (byte) ((value >> 16) & 0xff);
+        result[offset + 3] = (byte) ((value >> 24) & 0xff);
+    }
+
+    private static byte[] generateApkSigningBlock(
+            List<SignerConfig> signerConfigs,
+            Map<Integer, byte[]> contentDigests) throws InvalidKeyException, SignatureException {
+        byte[] apkSignatureSchemeV2Block =
+                generateApkSignatureSchemeV2Block(signerConfigs, contentDigests);
+        return generateApkSigningBlock(apkSignatureSchemeV2Block);
+    }
+
+    private static byte[] generateApkSigningBlock(byte[] apkSignatureSchemeV2Block) {
+        // FORMAT:
+        // uint64:  size (excluding this field)
+        // repeated ID-value pairs:
+        //     uint64:           size (excluding this field)
+        //     uint32:           ID
+        //     (size - 4) bytes: value
+        // uint64:  size (same as the one above)
+        // uint128: magic
+
+        int resultSize =
+                8 // size
+                + 8 + 4 + apkSignatureSchemeV2Block.length // v2Block as ID-value pair
+                + 8 // size
+                + 16 // magic
+                ;
+        ByteBuffer result = ByteBuffer.allocate(resultSize);
+        result.order(ByteOrder.LITTLE_ENDIAN);
+        long blockSizeFieldValue = resultSize - 8;
+        result.putLong(blockSizeFieldValue);
+
+        long pairSizeFieldValue = 4 + apkSignatureSchemeV2Block.length;
+        result.putLong(pairSizeFieldValue);
+        result.putInt(APK_SIGNATURE_SCHEME_V2_BLOCK_ID);
+        result.put(apkSignatureSchemeV2Block);
+
+        result.putLong(blockSizeFieldValue);
+        result.put(APK_SIGNING_BLOCK_MAGIC);
+
+        return result.array();
+    }
+
+    private static byte[] generateApkSignatureSchemeV2Block(
+            List<SignerConfig> signerConfigs,
+            Map<Integer, byte[]> contentDigests) throws InvalidKeyException, SignatureException {
+        // FORMAT:
+        // * length-prefixed sequence of length-prefixed signer blocks.
+
+        List<byte[]> signerBlocks = new ArrayList<>(signerConfigs.size());
+        int signerNumber = 0;
+        for (SignerConfig signerConfig : signerConfigs) {
+            signerNumber++;
+            byte[] signerBlock;
+            try {
+                signerBlock = generateSignerBlock(signerConfig, contentDigests);
+            } catch (InvalidKeyException e) {
+                throw new InvalidKeyException("Signer #" + signerNumber + " failed", e);
+            } catch (SignatureException e) {
+                throw new SignatureException("Signer #" + signerNumber + " failed", e);
+            }
+            signerBlocks.add(signerBlock);
+        }
+
+        return encodeAsSequenceOfLengthPrefixedElements(
+                new byte[][] {
+                    encodeAsSequenceOfLengthPrefixedElements(signerBlocks),
+                });
+    }
+
+    private static byte[] generateSignerBlock(
+            SignerConfig signerConfig,
+            Map<Integer, byte[]> contentDigests) throws InvalidKeyException, SignatureException {
+        if (signerConfig.certificates.isEmpty()) {
+            throw new SignatureException("No certificates configured for signer");
+        }
+        PublicKey publicKey = signerConfig.certificates.get(0).getPublicKey();
+
+        byte[] encodedPublicKey = encodePublicKey(publicKey);
+
+        V2SignatureSchemeBlock.SignedData signedData = new V2SignatureSchemeBlock.SignedData();
+        try {
+            signedData.certificates = encodeCertificates(signerConfig.certificates);
+        } catch (CertificateEncodingException e) {
+            throw new SignatureException("Failed to encode certificates", e);
+        }
+
+        List<Pair<Integer, byte[]>> digests =
+                new ArrayList<>(signerConfig.signatureAlgorithms.size());
+        for (int signatureAlgorithm : signerConfig.signatureAlgorithms) {
+            int contentDigestAlgorithm =
+                    getSignatureAlgorithmContentDigestAlgorithm(signatureAlgorithm);
+            byte[] contentDigest = contentDigests.get(contentDigestAlgorithm);
+            if (contentDigest == null) {
+                throw new RuntimeException(
+                        getContentDigestAlgorithmJcaDigestAlgorithm(contentDigestAlgorithm)
+                        + " content digest for "
+                        + getSignatureAlgorithmJcaSignatureAlgorithm(signatureAlgorithm)
+                        + " not computed");
+            }
+            digests.add(Pair.create(signatureAlgorithm, contentDigest));
+        }
+        signedData.digests = digests;
+
+        V2SignatureSchemeBlock.Signer signer = new V2SignatureSchemeBlock.Signer();
+        // FORMAT:
+        // * length-prefixed sequence of length-prefixed digests:
+        //   * uint32: signature algorithm ID
+        //   * length-prefixed bytes: digest of contents
+        // * length-prefixed sequence of certificates:
+        //   * length-prefixed bytes: X.509 certificate (ASN.1 DER encoded).
+        // * length-prefixed sequence of length-prefixed additional attributes:
+        //   * uint32: ID
+        //   * (length - 4) bytes: value
+        signer.signedData = encodeAsSequenceOfLengthPrefixedElements(new byte[][] {
+            encodeAsSequenceOfLengthPrefixedPairsOfIntAndLengthPrefixedBytes(signedData.digests),
+            encodeAsSequenceOfLengthPrefixedElements(signedData.certificates),
+            // additional attributes
+            new byte[0],
+        });
+        signer.publicKey = encodedPublicKey;
+        signer.signatures = new ArrayList<>();
+        for (int signatureAlgorithm : signerConfig.signatureAlgorithms) {
+            Pair<String, ? extends AlgorithmParameterSpec> signatureParams =
+                    getSignatureAlgorithmJcaSignatureAlgorithm(signatureAlgorithm);
+            String jcaSignatureAlgorithm = signatureParams.getFirst();
+            AlgorithmParameterSpec jcaSignatureAlgorithmParams = signatureParams.getSecond();
+            byte[] signatureBytes;
+            try {
+                Signature signature = Signature.getInstance(jcaSignatureAlgorithm);
+                signature.initSign(signerConfig.privateKey);
+                if (jcaSignatureAlgorithmParams != null) {
+                    signature.setParameter(jcaSignatureAlgorithmParams);
+                }
+                signature.update(signer.signedData);
+                signatureBytes = signature.sign();
+            } catch (InvalidKeyException e) {
+                throw new InvalidKeyException("Failed sign using " + jcaSignatureAlgorithm, e);
+            } catch (NoSuchAlgorithmException | InvalidAlgorithmParameterException
+                    | SignatureException e) {
+                throw new SignatureException("Failed sign using " + jcaSignatureAlgorithm, e);
+            }
+
+            try {
+                Signature signature = Signature.getInstance(jcaSignatureAlgorithm);
+                signature.initVerify(publicKey);
+                if (jcaSignatureAlgorithmParams != null) {
+                    signature.setParameter(jcaSignatureAlgorithmParams);
+                }
+                signature.update(signer.signedData);
+                if (!signature.verify(signatureBytes)) {
+                    throw new SignatureException("Signature did not verify");
+                }
+            } catch (InvalidKeyException e) {
+                throw new InvalidKeyException("Failed to verify generated " + jcaSignatureAlgorithm
+                        + " signature using public key from certificate", e);
+            } catch (NoSuchAlgorithmException | InvalidAlgorithmParameterException
+                    | SignatureException e) {
+                throw new SignatureException("Failed to verify generated " + jcaSignatureAlgorithm
+                        + " signature using public key from certificate", e);
+            }
+
+            signer.signatures.add(Pair.create(signatureAlgorithm, signatureBytes));
+        }
+
+        // FORMAT:
+        // * length-prefixed signed data
+        // * length-prefixed sequence of length-prefixed signatures:
+        //   * uint32: signature algorithm ID
+        //   * length-prefixed bytes: signature of signed data
+        // * length-prefixed bytes: public key (X.509 SubjectPublicKeyInfo, ASN.1 DER encoded)
+        return encodeAsSequenceOfLengthPrefixedElements(
+                new byte[][] {
+                    signer.signedData,
+                    encodeAsSequenceOfLengthPrefixedPairsOfIntAndLengthPrefixedBytes(
+                            signer.signatures),
+                    signer.publicKey,
+                });
+    }
+
+    private static final class V2SignatureSchemeBlock {
+        private static final class Signer {
+            public byte[] signedData;
+            public List<Pair<Integer, byte[]>> signatures;
+            public byte[] publicKey;
+        }
+
+        private static final class SignedData {
+            public List<Pair<Integer, byte[]>> digests;
+            public List<byte[]> certificates;
+        }
+    }
+
+    private static byte[] encodePublicKey(PublicKey publicKey) throws InvalidKeyException {
+        byte[] encodedPublicKey = null;
+        if ("X.509".equals(publicKey.getFormat())) {
+            encodedPublicKey = publicKey.getEncoded();
+        }
+        if (encodedPublicKey == null) {
+            try {
+                encodedPublicKey =
+                        KeyFactory.getInstance(publicKey.getAlgorithm())
+                                .getKeySpec(publicKey, X509EncodedKeySpec.class)
+                                .getEncoded();
+            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
+                throw new InvalidKeyException(
+                        "Failed to obtain X.509 encoded form of public key " + publicKey
+                                + " of class " + publicKey.getClass().getName(),
+                        e);
+            }
+        }
+        if ((encodedPublicKey == null) || (encodedPublicKey.length == 0)) {
+            throw new InvalidKeyException(
+                    "Failed to obtain X.509 encoded form of public key " + publicKey
+                            + " of class " + publicKey.getClass().getName());
+        }
+        return encodedPublicKey;
+    }
+
+    public static List<byte[]> encodeCertificates(List<X509Certificate> certificates)
+            throws CertificateEncodingException {
+        List<byte[]> result = new ArrayList<>();
+        for (X509Certificate certificate : certificates) {
+            result.add(certificate.getEncoded());
+        }
+        return result;
+    }
+
+    private static byte[] encodeAsSequenceOfLengthPrefixedElements(List<byte[]> sequence) {
+        return encodeAsSequenceOfLengthPrefixedElements(
+                sequence.toArray(new byte[sequence.size()][]));
+    }
+
+    private static byte[] encodeAsSequenceOfLengthPrefixedElements(byte[][] sequence) {
+        int payloadSize = 0;
+        for (byte[] element : sequence) {
+            payloadSize += 4 + element.length;
+        }
+        ByteBuffer result = ByteBuffer.allocate(payloadSize);
+        result.order(ByteOrder.LITTLE_ENDIAN);
+        for (byte[] element : sequence) {
+            result.putInt(element.length);
+            result.put(element);
+        }
+        return result.array();
+      }
+
+    private static byte[] encodeAsSequenceOfLengthPrefixedPairsOfIntAndLengthPrefixedBytes(
+            List<Pair<Integer, byte[]>> sequence) {
+        int resultSize = 0;
+        for (Pair<Integer, byte[]> element : sequence) {
+            resultSize += 12 + element.getSecond().length;
+        }
+        ByteBuffer result = ByteBuffer.allocate(resultSize);
+        result.order(ByteOrder.LITTLE_ENDIAN);
+        for (Pair<Integer, byte[]> element : sequence) {
+            byte[] second = element.getSecond();
+            result.putInt(8 + second.length);
+            result.putInt(element.getFirst());
+            result.putInt(second.length);
+            result.put(second);
+        }
+        return result.array();
+    }
+
+    /**
+     * Relative <em>get</em> method for reading {@code size} number of bytes from the current
+     * position of this buffer.
+     *
+     * <p>This method reads the next {@code size} bytes at this buffer's current position,
+     * returning them as a {@code ByteBuffer} with start set to 0, limit and capacity set to
+     * {@code size}, byte order set to this buffer's byte order; and then increments the position by
+     * {@code size}.
+     */
+    private static ByteBuffer getByteBuffer(ByteBuffer source, int size) {
+        if (size < 0) {
+            throw new IllegalArgumentException("size: " + size);
+        }
+        int originalLimit = source.limit();
+        int position = source.position();
+        int limit = position + size;
+        if ((limit < position) || (limit > originalLimit)) {
+            throw new BufferUnderflowException();
+        }
+        source.limit(limit);
+        try {
+            ByteBuffer result = source.slice();
+            result.order(source.order());
+            source.position(limit);
+            return result;
+        } finally {
+            source.limit(originalLimit);
+        }
+    }
+
+    private static Pair<String, ? extends AlgorithmParameterSpec>
+            getSignatureAlgorithmJcaSignatureAlgorithm(int sigAlgorithm) {
+        switch (sigAlgorithm) {
+            case SIGNATURE_RSA_PSS_WITH_SHA256:
+                return Pair.create(
+                        "SHA256withRSA/PSS",
+                        new PSSParameterSpec(
+                                "SHA-256", "MGF1", MGF1ParameterSpec.SHA256, 256 / 8, 1));
+            case SIGNATURE_RSA_PSS_WITH_SHA512:
+                return Pair.create(
+                        "SHA512withRSA/PSS",
+                        new PSSParameterSpec(
+                                "SHA-512", "MGF1", MGF1ParameterSpec.SHA512, 512 / 8, 1));
+            case SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA256:
+                return Pair.create("SHA256withRSA", null);
+            case SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA512:
+                return Pair.create("SHA512withRSA", null);
+            case SIGNATURE_ECDSA_WITH_SHA256:
+                return Pair.create("SHA256withECDSA", null);
+            case SIGNATURE_ECDSA_WITH_SHA512:
+                return Pair.create("SHA512withECDSA", null);
+            case SIGNATURE_DSA_WITH_SHA256:
+                return Pair.create("SHA256withDSA", null);
+            case SIGNATURE_DSA_WITH_SHA512:
+                return Pair.create("SHA512withDSA", null);
+            default:
+                throw new IllegalArgumentException(
+                        "Unknown signature algorithm: 0x"
+                                + Long.toHexString(sigAlgorithm & 0xffffffff));
+        }
+    }
+
+    private static int getSignatureAlgorithmContentDigestAlgorithm(int sigAlgorithm) {
+        switch (sigAlgorithm) {
+            case SIGNATURE_RSA_PSS_WITH_SHA256:
+            case SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA256:
+            case SIGNATURE_ECDSA_WITH_SHA256:
+            case SIGNATURE_DSA_WITH_SHA256:
+                return CONTENT_DIGEST_CHUNKED_SHA256;
+            case SIGNATURE_RSA_PSS_WITH_SHA512:
+            case SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA512:
+            case SIGNATURE_ECDSA_WITH_SHA512:
+            case SIGNATURE_DSA_WITH_SHA512:
+                return CONTENT_DIGEST_CHUNKED_SHA512;
+            default:
+                throw new IllegalArgumentException(
+                        "Unknown signature algorithm: 0x"
+                                + Long.toHexString(sigAlgorithm & 0xffffffff));
+        }
+    }
+
+    private static String getContentDigestAlgorithmJcaDigestAlgorithm(int digestAlgorithm) {
+        switch (digestAlgorithm) {
+            case CONTENT_DIGEST_CHUNKED_SHA256:
+                return "SHA-256";
+            case CONTENT_DIGEST_CHUNKED_SHA512:
+                return "SHA-512";
+            default:
+                throw new IllegalArgumentException(
+                        "Unknown content digest algorthm: " + digestAlgorithm);
+        }
+    }
+
+    private static int getContentDigestAlgorithmOutputSizeBytes(int digestAlgorithm) {
+        switch (digestAlgorithm) {
+            case CONTENT_DIGEST_CHUNKED_SHA256:
+                return 256 / 8;
+            case CONTENT_DIGEST_CHUNKED_SHA512:
+                return 512 / 8;
+            default:
+                throw new IllegalArgumentException(
+                        "Unknown content digest algorthm: " + digestAlgorithm);
+        }
+    }
+
+    /**
+     * Indicates that APK file could not be parsed.
+     */
+    public static class ApkParseException extends Exception {
+        private static final long serialVersionUID = 1L;
+
+        public ApkParseException(String message) {
+            super(message);
+        }
+
+        public ApkParseException(String message, Throwable cause) {
+            super(message, cause);
+        }
+    }
+}
diff --git a/tools/signapk/src/com/android/signapk/Pair.java b/tools/signapk/src/com/android/signapk/Pair.java
new file mode 100644
index 000000000..e4a6c9225
--- /dev/null
+++ b/tools/signapk/src/com/android/signapk/Pair.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.signapk;
+
+/**
+ * Pair of two elements.
+ */
+public final class Pair<A, B> {
+    private final A mFirst;
+    private final B mSecond;
+
+    private Pair(A first, B second) {
+        mFirst = first;
+        mSecond = second;
+    }
+
+    public static <A, B> Pair<A, B> create(A first, B second) {
+        return new Pair<A, B>(first, second);
+    }
+
+    public A getFirst() {
+        return mFirst;
+    }
+
+    public B getSecond() {
+        return mSecond;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((mFirst == null) ? 0 : mFirst.hashCode());
+        result = prime * result + ((mSecond == null) ? 0 : mSecond.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        @SuppressWarnings("rawtypes")
+        Pair other = (Pair) obj;
+        if (mFirst == null) {
+            if (other.mFirst != null) {
+                return false;
+            }
+        } else if (!mFirst.equals(other.mFirst)) {
+            return false;
+        }
+        if (mSecond == null) {
+            if (other.mSecond != null) {
+                return false;
+            }
+        } else if (!mSecond.equals(other.mSecond)) {
+            return false;
+        }
+        return true;
+    }
+}
diff --git a/tools/signapk/SignApk.java b/tools/signapk/src/com/android/signapk/SignApk.java
similarity index 68%
rename from tools/signapk/SignApk.java
rename to tools/signapk/src/com/android/signapk/SignApk.java
index e661e506f..ba84b42f9 100644
--- a/tools/signapk/SignApk.java
+++ b/tools/signapk/src/com/android/signapk/SignApk.java
@@ -34,7 +34,9 @@
 import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
 import org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder;
 import org.bouncycastle.util.encoders.Base64;
+import org.conscrypt.OpenSSLProvider;
 
+import java.io.Console;
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -49,13 +51,16 @@
 import java.io.OutputStream;
 import java.io.PrintStream;
 import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.security.DigestOutputStream;
 import java.security.GeneralSecurityException;
+import java.security.InvalidKeyException;
 import java.security.Key;
 import java.security.KeyFactory;
 import java.security.MessageDigest;
 import java.security.PrivateKey;
 import java.security.Provider;
+import java.security.PublicKey;
 import java.security.Security;
 import java.security.cert.CertificateEncodingException;
 import java.security.cert.CertificateFactory;
@@ -65,8 +70,11 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Enumeration;
+import java.util.Iterator;
+import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.TimeZone;
 import java.util.TreeMap;
 import java.util.jar.Attributes;
 import java.util.jar.JarEntry;
@@ -99,7 +107,8 @@
 /**
  * Command line tool to sign JAR files (including APKs and OTA updates) in a way
  * compatible with the mincrypt verifier, using EC or RSA keys and SHA1 or
- * SHA-256 (see historical note).
+ * SHA-256 (see historical note). The tool can additionally sign APKs using
+ * APK Signature Scheme v2.
  */
 class SignApk {
     private static final String CERT_SF_NAME = "META-INF/CERT.SF";
@@ -109,21 +118,32 @@ class SignApk {
 
     private static final String OTACERT_NAME = "META-INF/com/android/otacert";
 
-    private static Provider sBouncyCastleProvider;
-
     // bitmasks for which hash algorithms we need the manifest to include.
     private static final int USE_SHA1 = 1;
     private static final int USE_SHA256 = 2;
 
+    /** Digest algorithm used when signing the APK using APK Signature Scheme v2. */
+    private static final String APK_SIG_SCHEME_V2_DIGEST_ALGORITHM = "SHA-256";
+
+    /**
+     * Minimum Android SDK API Level which accepts JAR signatures which use SHA-256. Older platform
+     * versions accept only SHA-1 signatures.
+     */
+    private static final int MIN_API_LEVEL_FOR_SHA256_JAR_SIGNATURES = 18;
+
     /**
      * Return one of USE_SHA1 or USE_SHA256 according to the signature
      * algorithm specified in the cert.
      */
-    private static int getDigestAlgorithm(X509Certificate cert) {
+    private static int getDigestAlgorithm(X509Certificate cert, int minSdkVersion) {
         String sigAlg = cert.getSigAlgName().toUpperCase(Locale.US);
-        if ("SHA1WITHRSA".equals(sigAlg) ||
-            "MD5WITHRSA".equals(sigAlg)) {     // see "HISTORICAL NOTE" above.
-            return USE_SHA1;
+        if ("SHA1WITHRSA".equals(sigAlg) || "MD5WITHRSA".equals(sigAlg)) {
+            // see "HISTORICAL NOTE" above.
+            if (minSdkVersion < MIN_API_LEVEL_FOR_SHA256_JAR_SIGNATURES) {
+                return USE_SHA1;
+            } else {
+                return USE_SHA256;
+            }
         } else if (sigAlg.startsWith("SHA256WITH")) {
             return USE_SHA256;
         } else {
@@ -133,11 +153,11 @@ private static int getDigestAlgorithm(X509Certificate cert) {
     }
 
     /** Returns the expected signature algorithm for this key type. */
-    private static String getSignatureAlgorithm(X509Certificate cert) {
-        String sigAlg = cert.getSigAlgName().toUpperCase(Locale.US);
+    private static String getSignatureAlgorithm(X509Certificate cert, int minSdkVersion) {
         String keyType = cert.getPublicKey().getAlgorithm().toUpperCase(Locale.US);
         if ("RSA".equalsIgnoreCase(keyType)) {
-            if (getDigestAlgorithm(cert) == USE_SHA256) {
+            if ((minSdkVersion >= MIN_API_LEVEL_FOR_SHA256_JAR_SIGNATURES)
+                    || (getDigestAlgorithm(cert, minSdkVersion) == USE_SHA256)) {
                 return "SHA256withRSA";
             } else {
                 return "SHA1withRSA";
@@ -166,19 +186,29 @@ private static X509Certificate readPublicKey(File file)
     }
 
     /**
-     * Reads the password from stdin and returns it as a string.
+     * If a console doesn't exist, reads the password from stdin
+     * If a console exists, reads the password from console and returns it as a string.
      *
      * @param keyFile The file containing the private key.  Used to prompt the user.
      */
     private static String readPassword(File keyFile) {
-        // TODO: use Console.readPassword() when it's available.
-        System.out.print("Enter password for " + keyFile + " (password will not be hidden): ");
-        System.out.flush();
-        BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
-        try {
-            return stdin.readLine();
-        } catch (IOException ex) {
-            return null;
+        Console console;
+        char[] pwd;
+        if ((console = System.console()) == null) {
+            System.out.print("Enter password for " + keyFile + " (password will not be hidden): ");
+            System.out.flush();
+            BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
+            try {
+                return stdin.readLine();
+            } catch (IOException ex) {
+                return null;
+            }
+        } else {
+            if ((pwd = console.readPassword("[%s]", "Enter password for " + keyFile)) != null) {
+                return String.valueOf(pwd);
+            } else {
+                return null;
+            }
         }
     }
 
@@ -235,8 +265,11 @@ private static PrivateKey readPrivateKey(File file)
              * Now it's in a PKCS#8 PrivateKeyInfo structure. Read its Algorithm
              * OID and use that to construct a KeyFactory.
              */
-            ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(spec.getEncoded()));
-            PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
+            PrivateKeyInfo pki;
+            try (ASN1InputStream bIn =
+                    new ASN1InputStream(new ByteArrayInputStream(spec.getEncoded()))) {
+                pki = PrivateKeyInfo.getInstance(bIn.readObject());
+            }
             String algOid = pki.getPrivateKeyAlgorithm().getAlgorithm().getId();
 
             return KeyFactory.getInstance(algOid).generatePrivate(spec);
@@ -297,10 +330,24 @@ private static Manifest addDigestsToManifest(JarFile jar, int hashes)
                 Attributes attr = null;
                 if (input != null) attr = input.getAttributes(name);
                 attr = attr != null ? new Attributes(attr) : new Attributes();
+                // Remove any previously computed digests from this entry's attributes.
+                for (Iterator<Object> i = attr.keySet().iterator(); i.hasNext();) {
+                    Object key = i.next();
+                    if (!(key instanceof Attributes.Name)) {
+                        continue;
+                    }
+                    String attributeNameLowerCase =
+                            ((Attributes.Name) key).toString().toLowerCase(Locale.US);
+                    if (attributeNameLowerCase.endsWith("-digest")) {
+                        i.remove();
+                    }
+                }
+                // Add SHA-1 digest if requested
                 if (md_sha1 != null) {
                     attr.putValue("SHA1-Digest",
                                   new String(Base64.encode(md_sha1.digest()), "ASCII"));
                 }
+                // Add SHA-256 digest if requested
                 if (md_sha256 != null) {
                     attr.putValue("SHA-256-Digest",
                                   new String(Base64.encode(md_sha256.digest()), "ASCII"));
@@ -376,12 +423,22 @@ public int size() {
 
     /** Write a .SF file with a digest of the specified manifest. */
     private static void writeSignatureFile(Manifest manifest, OutputStream out,
-                                           int hash)
+            int hash, boolean additionallySignedUsingAnApkSignatureScheme)
         throws IOException, GeneralSecurityException {
         Manifest sf = new Manifest();
         Attributes main = sf.getMainAttributes();
         main.putValue("Signature-Version", "1.0");
         main.putValue("Created-By", "1.0 (Android SignApk)");
+        if (additionallySignedUsingAnApkSignatureScheme) {
+            // Add APK Signature Scheme v2 signature stripping protection.
+            // This attribute indicates that this APK is supposed to have been signed using one or
+            // more APK-specific signature schemes in addition to the standard JAR signature scheme
+            // used by this code. APK signature verifier should reject the APK if it does not
+            // contain a signature for the signature scheme the verifier prefers out of this set.
+            main.putValue(
+                    ApkSignerV2.SF_ATTRIBUTE_ANDROID_APK_SIGNED_NAME,
+                    ApkSignerV2.SF_ATTRIBUTE_ANDROID_APK_SIGNED_VALUE);
+        }
 
         MessageDigest md = MessageDigest.getInstance(
             hash == USE_SHA256 ? "SHA256" : "SHA1");
@@ -406,7 +463,7 @@ private static void writeSignatureFile(Manifest manifest, OutputStream out,
             print.flush();
 
             Attributes sfAttr = new Attributes();
-            sfAttr.putValue(hash == USE_SHA256 ? "SHA-256-Digest" : "SHA1-Digest-Manifest",
+            sfAttr.putValue(hash == USE_SHA256 ? "SHA-256-Digest" : "SHA1-Digest",
                             new String(Base64.encode(md.digest()), "ASCII"));
             sf.getEntries().put(entry.getKey(), sfAttr);
         }
@@ -426,7 +483,7 @@ private static void writeSignatureFile(Manifest manifest, OutputStream out,
 
     /** Sign data and write the digital signature to 'out'. */
     private static void writeSignatureBlock(
-        CMSTypedData data, X509Certificate publicKey, PrivateKey privateKey,
+        CMSTypedData data, X509Certificate publicKey, PrivateKey privateKey, int minSdkVersion,
         OutputStream out)
         throws IOException,
                CertificateEncodingException,
@@ -437,22 +494,22 @@ private static void writeSignatureBlock(
         JcaCertStore certs = new JcaCertStore(certList);
 
         CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
-        ContentSigner signer = new JcaContentSignerBuilder(getSignatureAlgorithm(publicKey))
-            .setProvider(sBouncyCastleProvider)
-            .build(privateKey);
+        ContentSigner signer =
+                new JcaContentSignerBuilder(getSignatureAlgorithm(publicKey, minSdkVersion))
+                        .build(privateKey);
         gen.addSignerInfoGenerator(
             new JcaSignerInfoGeneratorBuilder(
                 new JcaDigestCalculatorProviderBuilder()
-                .setProvider(sBouncyCastleProvider)
                 .build())
             .setDirectSignature(true)
             .build(signer, publicKey));
         gen.addCertificates(certs);
         CMSSignedData sigData = gen.generate(data, false);
 
-        ASN1InputStream asn1 = new ASN1InputStream(sigData.getEncoded());
-        DEROutputStream dos = new DEROutputStream(out);
-        dos.writeObject(asn1.readObject());
+        try (ASN1InputStream asn1 = new ASN1InputStream(sigData.getEncoded())) {
+            DEROutputStream dos = new DEROutputStream(out);
+            dos.writeObject(asn1.readObject());
+        }
     }
 
     /**
@@ -462,7 +519,7 @@ private static void writeSignatureBlock(
      * more efficient.
      */
     private static void copyFiles(Manifest manifest, JarFile in, JarOutputStream out,
-                                  long timestamp, int alignment) throws IOException {
+                                  long timestamp, int defaultAlignment) throws IOException {
         byte[] buffer = new byte[4096];
         int num;
 
@@ -487,6 +544,11 @@ private static void copyFiles(Manifest manifest, JarFile in, JarOutputStream out
             // Preserve the STORED method of the input entry.
             outEntry = new JarEntry(inEntry);
             outEntry.setTime(timestamp);
+            // Discard comment and extra fields of this entry to
+            // simplify alignment logic below and for consistency with
+            // how compressed entries are handled later.
+            outEntry.setComment(null);
+            outEntry.setExtra(null);
 
             // 'offset' is the offset into the file at which we expect
             // the file data to begin.  This is the value we need to
@@ -501,6 +563,7 @@ private static void copyFiles(Manifest manifest, JarFile in, JarOutputStream out
                 offset += 4;
                 firstEntry = false;
             }
+            int alignment = getStoredEntryDataAlignment(name, defaultAlignment);
             if (alignment > 0 && (offset % alignment != 0)) {
                 // Set the "extra data" of the entry to between 1 and
                 // alignment-1 bytes, to make the file data begin at
@@ -541,6 +604,24 @@ private static void copyFiles(Manifest manifest, JarFile in, JarOutputStream out
         }
     }
 
+    /**
+     * Returns the multiple (in bytes) at which the provided {@code STORED} entry's data must start
+     * relative to start of file or {@code 0} if alignment of this entry's data is not important.
+     */
+    private static int getStoredEntryDataAlignment(String entryName, int defaultAlignment) {
+        if (defaultAlignment <= 0) {
+            return 0;
+        }
+
+        if (entryName.endsWith(".so")) {
+            // Align .so contents to memory page boundary to enable memory-mapped
+            // execution.
+            return 4096;
+        } else {
+            return defaultAlignment;
+        }
+    }
+
     private static class WholeFileSignerOutputStream extends FilterOutputStream {
         private boolean closing = false;
         private ByteArrayOutputStream footer = new ByteArrayOutputStream();
@@ -601,51 +682,61 @@ public void write(int b) throws IOException {
     }
 
     private static class CMSSigner implements CMSTypedData {
-        private JarFile inputJar;
-        private File publicKeyFile;
-        private X509Certificate publicKey;
-        private PrivateKey privateKey;
-        private String outputFile;
-        private OutputStream outputStream;
+        private final JarFile inputJar;
+        private final File publicKeyFile;
+        private final X509Certificate publicKey;
+        private final PrivateKey privateKey;
+        private final long timestamp;
+        private final int minSdkVersion;
+        private final OutputStream outputStream;
         private final ASN1ObjectIdentifier type;
         private WholeFileSignerOutputStream signer;
 
         public CMSSigner(JarFile inputJar, File publicKeyFile,
-                         X509Certificate publicKey, PrivateKey privateKey,
-                         OutputStream outputStream) {
+                         X509Certificate publicKey, PrivateKey privateKey, long timestamp,
+                         int minSdkVersion, OutputStream outputStream) {
             this.inputJar = inputJar;
             this.publicKeyFile = publicKeyFile;
             this.publicKey = publicKey;
             this.privateKey = privateKey;
+            this.timestamp = timestamp;
+            this.minSdkVersion = minSdkVersion;
             this.outputStream = outputStream;
             this.type = new ASN1ObjectIdentifier(CMSObjectIdentifiers.data.getId());
         }
 
+        /**
+         * This should actually return byte[] or something similar, but nothing
+         * actually checks it currently.
+         */
+        @Override
         public Object getContent() {
-            throw new UnsupportedOperationException();
+            return this;
         }
 
+        @Override
         public ASN1ObjectIdentifier getContentType() {
             return type;
         }
 
+        @Override
         public void write(OutputStream out) throws IOException {
             try {
                 signer = new WholeFileSignerOutputStream(out, outputStream);
                 JarOutputStream outputJar = new JarOutputStream(signer);
 
-                int hash = getDigestAlgorithm(publicKey);
-
-                // Assume the certificate is valid for at least an hour.
-                long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;
+                int hash = getDigestAlgorithm(publicKey, minSdkVersion);
 
                 Manifest manifest = addDigestsToManifest(inputJar, hash);
                 copyFiles(manifest, inputJar, outputJar, timestamp, 0);
                 addOtacert(outputJar, publicKeyFile, timestamp, manifest, hash);
 
-                signFile(manifest, inputJar,
+                signFile(manifest,
                          new X509Certificate[]{ publicKey },
                          new PrivateKey[]{ privateKey },
+                         timestamp,
+                         minSdkVersion,
+                         false, // Don't sign using APK Signature Scheme v2
                          outputJar);
 
                 signer.notifyClosing();
@@ -662,7 +753,7 @@ public void writeSignatureBlock(ByteArrayOutputStream temp)
                    CertificateEncodingException,
                    OperatorCreationException,
                    CMSException {
-            SignApk.writeSignatureBlock(this, publicKey, privateKey, temp);
+            SignApk.writeSignatureBlock(this, publicKey, privateKey, minSdkVersion, temp);
         }
 
         public WholeFileSignerOutputStream getSigner() {
@@ -672,9 +763,10 @@ public WholeFileSignerOutputStream getSigner() {
 
     private static void signWholeFile(JarFile inputJar, File publicKeyFile,
                                       X509Certificate publicKey, PrivateKey privateKey,
+                                      long timestamp, int minSdkVersion,
                                       OutputStream outputStream) throws Exception {
         CMSSigner cmsOut = new CMSSigner(inputJar, publicKeyFile,
-                                         publicKey, privateKey, outputStream);
+                publicKey, privateKey, timestamp, minSdkVersion, outputStream);
 
         ByteArrayOutputStream temp = new ByteArrayOutputStream();
 
@@ -738,12 +830,13 @@ private static void signWholeFile(JarFile inputJar, File publicKeyFile,
         temp.writeTo(outputStream);
     }
 
-    private static void signFile(Manifest manifest, JarFile inputJar,
+    private static void signFile(Manifest manifest,
                                  X509Certificate[] publicKey, PrivateKey[] privateKey,
+                                 long timestamp,
+                                 int minSdkVersion,
+                                 boolean additionallySignedUsingAnApkSignatureScheme,
                                  JarOutputStream outputJar)
         throws Exception {
-        // Assume the certificate is valid for at least an hour.
-        long timestamp = publicKey[0].getNotBefore().getTime() + 3600L * 1000;
 
         // MANIFEST.MF
         JarEntry je = new JarEntry(JarFile.MANIFEST_NAME);
@@ -759,7 +852,11 @@ private static void signFile(Manifest manifest, JarFile inputJar,
             je.setTime(timestamp);
             outputJar.putNextEntry(je);
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
-            writeSignatureFile(manifest, baos, getDigestAlgorithm(publicKey[k]));
+            writeSignatureFile(
+                    manifest,
+                    baos,
+                    getDigestAlgorithm(publicKey[k], minSdkVersion),
+                    additionallySignedUsingAnApkSignatureScheme);
             byte[] signedData = baos.toByteArray();
             outputJar.write(signedData);
 
@@ -771,7 +868,7 @@ private static void signFile(Manifest manifest, JarFile inputJar,
             je.setTime(timestamp);
             outputJar.putNextEntry(je);
             writeSignatureBlock(new CMSProcessableByteArray(signedData),
-                                publicKey[k], privateKey[k], outputJar);
+                                publicKey[k], privateKey[k], minSdkVersion, outputJar);
         }
     }
 
@@ -827,10 +924,89 @@ private static void loadProviderIfNecessary(String providerClassName) {
         Security.insertProviderAt((Provider) o, 1);
     }
 
+    /**
+     * Converts the provided lists of private keys, their X.509 certificates, and digest algorithms
+     * into a list of APK Signature Scheme v2 {@code SignerConfig} instances.
+     */
+    public static List<ApkSignerV2.SignerConfig> createV2SignerConfigs(
+            PrivateKey[] privateKeys, X509Certificate[] certificates, String[] digestAlgorithms)
+                    throws InvalidKeyException {
+        if (privateKeys.length != certificates.length) {
+            throw new IllegalArgumentException(
+                    "The number of private keys must match the number of certificates: "
+                            + privateKeys.length + " vs" + certificates.length);
+        }
+        List<ApkSignerV2.SignerConfig> result = new ArrayList<>(privateKeys.length);
+        for (int i = 0; i < privateKeys.length; i++) {
+            PrivateKey privateKey = privateKeys[i];
+            X509Certificate certificate = certificates[i];
+            PublicKey publicKey = certificate.getPublicKey();
+            String keyAlgorithm = privateKey.getAlgorithm();
+            if (!keyAlgorithm.equalsIgnoreCase(publicKey.getAlgorithm())) {
+                throw new InvalidKeyException(
+                        "Key algorithm of private key #" + (i + 1) + " does not match key"
+                        + " algorithm of public key #" + (i + 1) + ": " + keyAlgorithm
+                        + " vs " + publicKey.getAlgorithm());
+            }
+            ApkSignerV2.SignerConfig signerConfig = new ApkSignerV2.SignerConfig();
+            signerConfig.privateKey = privateKey;
+            signerConfig.certificates = Collections.singletonList(certificate);
+            List<Integer> signatureAlgorithms = new ArrayList<>(digestAlgorithms.length);
+            for (String digestAlgorithm : digestAlgorithms) {
+                try {
+                    signatureAlgorithms.add(
+                            getV2SignatureAlgorithm(keyAlgorithm, digestAlgorithm));
+                } catch (IllegalArgumentException e) {
+                    throw new InvalidKeyException(
+                            "Unsupported key and digest algorithm combination for signer #"
+                                    + (i + 1),
+                            e);
+                }
+            }
+            signerConfig.signatureAlgorithms = signatureAlgorithms;
+            result.add(signerConfig);
+        }
+        return result;
+    }
+
+    private static int getV2SignatureAlgorithm(String keyAlgorithm, String digestAlgorithm) {
+        if ("SHA-256".equalsIgnoreCase(digestAlgorithm)) {
+            if ("RSA".equalsIgnoreCase(keyAlgorithm)) {
+                // Use RSASSA-PKCS1-v1_5 signature scheme instead of RSASSA-PSS to guarantee
+                // deterministic signatures which make life easier for OTA updates (fewer files
+                // changed when deterministic signature schemes are used).
+                return ApkSignerV2.SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA256;
+            } else if ("EC".equalsIgnoreCase(keyAlgorithm)) {
+                return ApkSignerV2.SIGNATURE_ECDSA_WITH_SHA256;
+            } else if ("DSA".equalsIgnoreCase(keyAlgorithm)) {
+                return ApkSignerV2.SIGNATURE_DSA_WITH_SHA256;
+            } else {
+                throw new IllegalArgumentException("Unsupported key algorithm: " + keyAlgorithm);
+            }
+        } else if ("SHA-512".equalsIgnoreCase(digestAlgorithm)) {
+            if ("RSA".equalsIgnoreCase(keyAlgorithm)) {
+                // Use RSASSA-PKCS1-v1_5 signature scheme instead of RSASSA-PSS to guarantee
+                // deterministic signatures which make life easier for OTA updates (fewer files
+                // changed when deterministic signature schemes are used).
+                return ApkSignerV2.SIGNATURE_RSA_PKCS1_V1_5_WITH_SHA512;
+            } else if ("EC".equalsIgnoreCase(keyAlgorithm)) {
+                return ApkSignerV2.SIGNATURE_ECDSA_WITH_SHA512;
+            } else if ("DSA".equalsIgnoreCase(keyAlgorithm)) {
+                return ApkSignerV2.SIGNATURE_DSA_WITH_SHA512;
+            } else {
+                throw new IllegalArgumentException("Unsupported key algorithm: " + keyAlgorithm);
+            }
+        } else {
+            throw new IllegalArgumentException("Unsupported digest algorithm: " + digestAlgorithm);
+        }
+    }
+
     private static void usage() {
         System.err.println("Usage: signapk [-w] " +
                            "[-a <alignment>] " +
                            "[-providerClass <className>] " +
+                           "[--min-sdk-version <n>] " +
+                           "[--disable-v2] " +
                            "publickey.x509[.pem] privatekey.pk8 " +
                            "[publickey2.x509[.pem] privatekey2.pk8 ...] " +
                            "input.jar output.jar");
@@ -840,13 +1016,19 @@ private static void usage() {
     public static void main(String[] args) {
         if (args.length < 4) usage();
 
-        sBouncyCastleProvider = new BouncyCastleProvider();
-        Security.addProvider(sBouncyCastleProvider);
+        // Install Conscrypt as the highest-priority provider. Its crypto primitives are faster than
+        // the standard or Bouncy Castle ones.
+        Security.insertProviderAt(new OpenSSLProvider(), 1);
+        // Install Bouncy Castle (as the lowest-priority provider) because Conscrypt does not offer
+        // DSA which may still be needed.
+        // TODO: Stop installing Bouncy Castle provider once DSA is no longer needed.
+        Security.addProvider(new BouncyCastleProvider());
 
         boolean signWholeFile = false;
         String providerClass = null;
-        String providerArg = null;
         int alignment = 4;
+        int minSdkVersion = 0;
+        boolean signUsingApkSignatureSchemeV2 = true;
 
         int argstart = 0;
         while (argstart < args.length && args[argstart].startsWith("-")) {
@@ -862,6 +1044,18 @@ public static void main(String[] args) {
             } else if ("-a".equals(args[argstart])) {
                 alignment = Integer.parseInt(args[++argstart]);
                 ++argstart;
+            } else if ("--min-sdk-version".equals(args[argstart])) {
+                String minSdkVersionString = args[++argstart];
+                try {
+                    minSdkVersion = Integer.parseInt(minSdkVersionString);
+                } catch (NumberFormatException e) {
+                    throw new IllegalArgumentException(
+                            "--min-sdk-version must be a decimal number: " + minSdkVersionString);
+                }
+                ++argstart;
+            } else if ("--disable-v2".equals(args[argstart])) {
+                signUsingApkSignatureSchemeV2 = false;
+                ++argstart;
             } else {
                 usage();
             }
@@ -891,17 +1085,19 @@ public static void main(String[] args) {
                 for (int i = 0; i < numKeys; ++i) {
                     int argNum = argstart + i*2;
                     publicKey[i] = readPublicKey(new File(args[argNum]));
-                    hashes |= getDigestAlgorithm(publicKey[i]);
+                    hashes |= getDigestAlgorithm(publicKey[i], minSdkVersion);
                 }
             } catch (IllegalArgumentException e) {
                 System.err.println(e);
                 System.exit(1);
             }
 
-            // Set the ZIP file timestamp to the starting valid time
-            // of the 0th certificate plus one hour (to match what
-            // we've historically done).
-            long timestamp = publicKey[0].getNotBefore().getTime() + 3600L * 1000;
+            // Set all ZIP file timestamps to Jan 1 2009 00:00:00.
+            long timestamp = 1230768000000L;
+            // The Java ZipEntry API we're using converts milliseconds since epoch into MS-DOS
+            // timestamp using the current timezone. We thus adjust the milliseconds since epoch
+            // value to end up with MS-DOS timestamp of Jan 1 2009 00:00:00.
+            timestamp -= TimeZone.getDefault().getOffset(timestamp);
 
             PrivateKey[] privateKey = new PrivateKey[numKeys];
             for (int i = 0; i < numKeys; ++i) {
@@ -912,25 +1108,59 @@ public static void main(String[] args) {
 
             outputFile = new FileOutputStream(outputFilename);
 
-
+            // NOTE: Signing currently recompresses any compressed entries using Deflate (default
+            // compression level for OTA update files and maximum compession level for APKs).
             if (signWholeFile) {
                 SignApk.signWholeFile(inputJar, firstPublicKeyFile,
-                                      publicKey[0], privateKey[0], outputFile);
+                                      publicKey[0], privateKey[0],
+                                      timestamp, minSdkVersion,
+                                      outputFile);
             } else {
-                JarOutputStream outputJar = new JarOutputStream(outputFile);
-
-                // For signing .apks, use the maximum compression to make
-                // them as small as possible (since they live forever on
-                // the system partition).  For OTA packages, use the
-                // default compression level, which is much much faster
-                // and produces output that is only a tiny bit larger
-                // (~0.1% on full OTA packages I tested).
+                // Generate, in memory, an APK signed using standard JAR Signature Scheme.
+                ByteArrayOutputStream v1SignedApkBuf = new ByteArrayOutputStream();
+                JarOutputStream outputJar = new JarOutputStream(v1SignedApkBuf);
+                // Use maximum compression for compressed entries because the APK lives forever on
+                // the system partition.
                 outputJar.setLevel(9);
-
                 Manifest manifest = addDigestsToManifest(inputJar, hashes);
                 copyFiles(manifest, inputJar, outputJar, timestamp, alignment);
-                signFile(manifest, inputJar, publicKey, privateKey, outputJar);
+                signFile(
+                        manifest,
+                        publicKey, privateKey,
+                        timestamp, minSdkVersion, signUsingApkSignatureSchemeV2,
+                        outputJar);
                 outputJar.close();
+                ByteBuffer v1SignedApk = ByteBuffer.wrap(v1SignedApkBuf.toByteArray());
+                v1SignedApkBuf.reset();
+
+                ByteBuffer[] outputChunks;
+                if (signUsingApkSignatureSchemeV2) {
+                    // Additionally sign the APK using the APK Signature Scheme v2.
+                    ByteBuffer apkContents = v1SignedApk;
+                    List<ApkSignerV2.SignerConfig> signerConfigs =
+                            createV2SignerConfigs(
+                                    privateKey,
+                                    publicKey,
+                                    new String[] {APK_SIG_SCHEME_V2_DIGEST_ALGORITHM});
+                    outputChunks = ApkSignerV2.sign(apkContents, signerConfigs);
+                } else {
+                    // Output the JAR-signed APK as is.
+                    outputChunks = new ByteBuffer[] {v1SignedApk};
+                }
+
+                // This assumes outputChunks are array-backed. To avoid this assumption, the
+                // code could be rewritten to use FileChannel.
+                for (ByteBuffer outputChunk : outputChunks) {
+                    outputFile.write(
+                            outputChunk.array(),
+                            outputChunk.arrayOffset() + outputChunk.position(),
+                            outputChunk.remaining());
+                    outputChunk.position(outputChunk.limit());
+                }
+
+                outputFile.close();
+                outputFile = null;
+                return;
             }
         } catch (Exception e) {
             e.printStackTrace();
diff --git a/tools/signapk/src/com/android/signapk/ZipUtils.java b/tools/signapk/src/com/android/signapk/ZipUtils.java
new file mode 100644
index 000000000..7575a77d9
--- /dev/null
+++ b/tools/signapk/src/com/android/signapk/ZipUtils.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.signapk;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+/**
+ * Assorted ZIP format helpers.
+ *
+ * <p>NOTE: Most helper methods operating on {@code ByteBuffer} instances expect that the byte
+ * order of these buffers is little-endian.
+ */
+public abstract class ZipUtils {
+    private ZipUtils() {}
+
+    private static final int ZIP_EOCD_REC_MIN_SIZE = 22;
+    private static final int ZIP_EOCD_REC_SIG = 0x06054b50;
+    private static final int ZIP_EOCD_CENTRAL_DIR_SIZE_FIELD_OFFSET = 12;
+    private static final int ZIP_EOCD_CENTRAL_DIR_OFFSET_FIELD_OFFSET = 16;
+    private static final int ZIP_EOCD_COMMENT_LENGTH_FIELD_OFFSET = 20;
+
+    private static final int ZIP64_EOCD_LOCATOR_SIZE = 20;
+    private static final int ZIP64_EOCD_LOCATOR_SIG = 0x07064b50;
+
+    private static final int UINT16_MAX_VALUE = 0xffff;
+
+    /**
+     * Returns the position at which ZIP End of Central Directory record starts in the provided
+     * buffer or {@code -1} if the record is not present.
+     *
+     * <p>NOTE: Byte order of {@code zipContents} must be little-endian.
+     */
+    public static int findZipEndOfCentralDirectoryRecord(ByteBuffer zipContents) {
+        assertByteOrderLittleEndian(zipContents);
+
+        // ZIP End of Central Directory (EOCD) record is located at the very end of the ZIP archive.
+        // The record can be identified by its 4-byte signature/magic which is located at the very
+        // beginning of the record. A complication is that the record is variable-length because of
+        // the comment field.
+        // The algorithm for locating the ZIP EOCD record is as follows. We search backwards from
+        // end of the buffer for the EOCD record signature. Whenever we find a signature, we check
+        // the candidate record's comment length is such that the remainder of the record takes up
+        // exactly the remaining bytes in the buffer. The search is bounded because the maximum
+        // size of the comment field is 65535 bytes because the field is an unsigned 16-bit number.
+
+        int archiveSize = zipContents.capacity();
+        if (archiveSize < ZIP_EOCD_REC_MIN_SIZE) {
+            return -1;
+        }
+        int maxCommentLength = Math.min(archiveSize - ZIP_EOCD_REC_MIN_SIZE, UINT16_MAX_VALUE);
+        int eocdWithEmptyCommentStartPosition = archiveSize - ZIP_EOCD_REC_MIN_SIZE;
+        for (int expectedCommentLength = 0; expectedCommentLength < maxCommentLength;
+                expectedCommentLength++) {
+            int eocdStartPos = eocdWithEmptyCommentStartPosition - expectedCommentLength;
+            if (zipContents.getInt(eocdStartPos) == ZIP_EOCD_REC_SIG) {
+                int actualCommentLength =
+                        getUnsignedInt16(
+                                zipContents, eocdStartPos + ZIP_EOCD_COMMENT_LENGTH_FIELD_OFFSET);
+                if (actualCommentLength == expectedCommentLength) {
+                    return eocdStartPos;
+                }
+            }
+        }
+
+        return -1;
+    }
+
+    /**
+     * Returns {@code true} if the provided buffer contains a ZIP64 End of Central Directory
+     * Locator.
+     *
+     * <p>NOTE: Byte order of {@code zipContents} must be little-endian.
+     */
+    public static final boolean isZip64EndOfCentralDirectoryLocatorPresent(
+            ByteBuffer zipContents, int zipEndOfCentralDirectoryPosition) {
+        assertByteOrderLittleEndian(zipContents);
+
+        // ZIP64 End of Central Directory Locator immediately precedes the ZIP End of Central
+        // Directory Record.
+
+        int locatorPosition = zipEndOfCentralDirectoryPosition - ZIP64_EOCD_LOCATOR_SIZE;
+        if (locatorPosition < 0) {
+            return false;
+        }
+
+        return zipContents.getInt(locatorPosition) == ZIP64_EOCD_LOCATOR_SIG;
+    }
+
+    /**
+     * Returns the offset of the start of the ZIP Central Directory in the archive.
+     *
+     * <p>NOTE: Byte order of {@code zipEndOfCentralDirectory} must be little-endian.
+     */
+    public static long getZipEocdCentralDirectoryOffset(ByteBuffer zipEndOfCentralDirectory) {
+        assertByteOrderLittleEndian(zipEndOfCentralDirectory);
+        return getUnsignedInt32(
+                zipEndOfCentralDirectory,
+                zipEndOfCentralDirectory.position() + ZIP_EOCD_CENTRAL_DIR_OFFSET_FIELD_OFFSET);
+    }
+
+    /**
+     * Sets the offset of the start of the ZIP Central Directory in the archive.
+     *
+     * <p>NOTE: Byte order of {@code zipEndOfCentralDirectory} must be little-endian.
+     */
+    public static void setZipEocdCentralDirectoryOffset(
+            ByteBuffer zipEndOfCentralDirectory, long offset) {
+        assertByteOrderLittleEndian(zipEndOfCentralDirectory);
+        setUnsignedInt32(
+                zipEndOfCentralDirectory,
+                zipEndOfCentralDirectory.position() + ZIP_EOCD_CENTRAL_DIR_OFFSET_FIELD_OFFSET,
+                offset);
+    }
+
+    /**
+     * Returns the size (in bytes) of the ZIP Central Directory.
+     *
+     * <p>NOTE: Byte order of {@code zipEndOfCentralDirectory} must be little-endian.
+     */
+    public static long getZipEocdCentralDirectorySizeBytes(ByteBuffer zipEndOfCentralDirectory) {
+        assertByteOrderLittleEndian(zipEndOfCentralDirectory);
+        return getUnsignedInt32(
+                zipEndOfCentralDirectory,
+                zipEndOfCentralDirectory.position() + ZIP_EOCD_CENTRAL_DIR_SIZE_FIELD_OFFSET);
+    }
+
+    private static void assertByteOrderLittleEndian(ByteBuffer buffer) {
+        if (buffer.order() != ByteOrder.LITTLE_ENDIAN) {
+            throw new IllegalArgumentException("ByteBuffer byte order must be little endian");
+        }
+    }
+
+    private static int getUnsignedInt16(ByteBuffer buffer, int offset) {
+        return buffer.getShort(offset) & 0xffff;
+    }
+
+    private static long getUnsignedInt32(ByteBuffer buffer, int offset) {
+        return buffer.getInt(offset) & 0xffffffffL;
+    }
+
+    private static void setUnsignedInt32(ByteBuffer buffer, int offset, long value) {
+        if ((value < 0) || (value > 0xffffffffL)) {
+            throw new IllegalArgumentException("uint32 value of out range: " + value);
+        }
+        buffer.putInt(buffer.position() + offset, (int) value);
+    }
+}
diff --git a/target/product/runtime_libart_default.mk b/tools/signtos/Android.mk
similarity index 57%
rename from target/product/runtime_libart_default.mk
rename to tools/signtos/Android.mk
index 2d4c7934a..94ab94443 100644
--- a/target/product/runtime_libart_default.mk
+++ b/tools/signtos/Android.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,9 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+LOCAL_PATH := $(call my-dir)
 
-# Set ART as the default runtime environment
-
-DALVIK_VM_LIB := libart.so
-
-include $(SRC_TARGET_DIR)/product/runtime_libart.mk
+# the signtos tool - signs Trusty images
+# ============================================================
+include $(CLEAR_VARS)
+LOCAL_MODULE := signtos
+LOCAL_SRC_FILES := SignTos.java
+LOCAL_JAR_MANIFEST := SignTos.mf
+LOCAL_STATIC_JAVA_LIBRARIES := bouncycastle-host bouncycastle-bcpkix-host
+include $(BUILD_HOST_JAVA_LIBRARY)
diff --git a/tools/signtos/SignTos.java b/tools/signtos/SignTos.java
new file mode 100644
index 000000000..485ad2f47
--- /dev/null
+++ b/tools/signtos/SignTos.java
@@ -0,0 +1,314 @@
+/*
+ * Copyright 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.signtos;
+
+import org.bouncycastle.asn1.ASN1InputStream;
+import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.lang.reflect.Constructor;
+import java.security.GeneralSecurityException;
+import java.security.Key;
+import java.security.KeyFactory;
+import java.security.MessageDigest;
+import java.security.PrivateKey;
+import java.security.Provider;
+import java.security.PublicKey;
+import java.security.Security;
+import java.security.Signature;
+import java.security.interfaces.ECKey;
+import java.security.interfaces.ECPublicKey;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.util.Arrays;
+
+import javax.crypto.Cipher;
+import javax.crypto.EncryptedPrivateKeyInfo;
+import javax.crypto.SecretKeyFactory;
+import javax.crypto.spec.PBEKeySpec;
+
+/**
+ * Signs Trusty images for use with operating systems that support it.
+ */
+public class SignTos {
+    /** Size of the signature footer in bytes. */
+    private static final int SIGNATURE_BLOCK_SIZE = 256;
+
+    /** Current signature version code we use. */
+    private static final int VERSION_CODE = 1;
+
+    /** Size of the header on the file to skip. */
+    private static final int HEADER_SIZE = 512;
+
+    private static BouncyCastleProvider sBouncyCastleProvider;
+
+    /**
+     * Reads the password from stdin and returns it as a string.
+     *
+     * @param keyFile The file containing the private key.  Used to prompt the user.
+     */
+    private static String readPassword(File keyFile) {
+        // TODO: use Console.readPassword() when it's available.
+        System.out.print("Enter password for " + keyFile + " (password will not be hidden): ");
+        System.out.flush();
+        BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
+        try {
+            return stdin.readLine();
+        } catch (IOException ex) {
+            return null;
+        }
+    }
+
+    /**
+     * Decrypt an encrypted PKCS#8 format private key.
+     *
+     * Based on ghstark's post on Aug 6, 2006 at
+     * http://forums.sun.com/thread.jspa?threadID=758133&messageID=4330949
+     *
+     * @param encryptedPrivateKey The raw data of the private key
+     * @param keyFile The file containing the private key
+     */
+    private static PKCS8EncodedKeySpec decryptPrivateKey(byte[] encryptedPrivateKey, File keyFile)
+        throws GeneralSecurityException {
+        EncryptedPrivateKeyInfo epkInfo;
+        try {
+            epkInfo = new EncryptedPrivateKeyInfo(encryptedPrivateKey);
+        } catch (IOException ex) {
+            // Probably not an encrypted key.
+            return null;
+        }
+
+        char[] password = readPassword(keyFile).toCharArray();
+
+        SecretKeyFactory skFactory = SecretKeyFactory.getInstance(epkInfo.getAlgName());
+        Key key = skFactory.generateSecret(new PBEKeySpec(password));
+
+        Cipher cipher = Cipher.getInstance(epkInfo.getAlgName());
+        cipher.init(Cipher.DECRYPT_MODE, key, epkInfo.getAlgParameters());
+
+        try {
+            return epkInfo.getKeySpec(cipher);
+        } catch (InvalidKeySpecException ex) {
+            System.err.println("signapk: Password for " + keyFile + " may be bad.");
+            throw ex;
+        }
+    }
+
+    /** Read a PKCS#8 format private key. */
+    private static PrivateKey readPrivateKey(File file) throws IOException,
+            GeneralSecurityException {
+        DataInputStream input = new DataInputStream(new FileInputStream(file));
+        try {
+            byte[] bytes = new byte[(int) file.length()];
+            input.read(bytes);
+
+            /* Check to see if this is in an EncryptedPrivateKeyInfo structure. */
+            PKCS8EncodedKeySpec spec = decryptPrivateKey(bytes, file);
+            if (spec == null) {
+                spec = new PKCS8EncodedKeySpec(bytes);
+            }
+
+            /*
+             * Now it's in a PKCS#8 PrivateKeyInfo structure. Read its Algorithm
+             * OID and use that to construct a KeyFactory.
+             */
+            ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(spec.getEncoded()));
+            PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
+            String algOid = pki.getPrivateKeyAlgorithm().getAlgorithm().getId();
+
+            return KeyFactory.getInstance(algOid).generatePrivate(spec);
+        } finally {
+            input.close();
+        }
+    }
+
+    /**
+     * Tries to load a JSE Provider by class name. This is for custom PrivateKey
+     * types that might be stored in PKCS#11-like storage.
+     */
+    private static void loadProviderIfNecessary(String providerClassName) {
+        if (providerClassName == null) {
+            return;
+        }
+
+        final Class<?> klass;
+        try {
+            final ClassLoader sysLoader = ClassLoader.getSystemClassLoader();
+            if (sysLoader != null) {
+                klass = sysLoader.loadClass(providerClassName);
+            } else {
+                klass = Class.forName(providerClassName);
+            }
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+            System.exit(1);
+            return;
+        }
+
+        Constructor<?> constructor = null;
+        for (Constructor<?> c : klass.getConstructors()) {
+            if (c.getParameterTypes().length == 0) {
+                constructor = c;
+                break;
+            }
+        }
+        if (constructor == null) {
+            System.err.println("No zero-arg constructor found for " + providerClassName);
+            System.exit(1);
+            return;
+        }
+
+        final Object o;
+        try {
+            o = constructor.newInstance();
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.exit(1);
+            return;
+        }
+        if (!(o instanceof Provider)) {
+            System.err.println("Not a Provider class: " + providerClassName);
+            System.exit(1);
+        }
+
+        Security.insertProviderAt((Provider) o, 1);
+    }
+
+    private static String getSignatureAlgorithm(Key key) {
+        if ("EC".equals(key.getAlgorithm())) {
+            ECKey ecKey = (ECKey) key;
+            int curveSize = ecKey.getParams().getOrder().bitLength();
+            if (curveSize <= 256) {
+                return "SHA256withECDSA";
+            } else if (curveSize <= 384) {
+                return "SHA384withECDSA";
+            } else {
+                return "SHA512withECDSA";
+            }
+        } else {
+            throw new IllegalArgumentException("Unsupported key type " + key.getAlgorithm());
+        }
+    }
+
+    /**
+     * @param inputFilename
+     * @param outputFilename
+     */
+    private static void signWholeFile(InputStream input, OutputStream output, PrivateKey signingKey)
+            throws Exception {
+        Signature sig = Signature.getInstance(getSignatureAlgorithm(signingKey));
+        sig.initSign(signingKey);
+
+        byte[] buffer = new byte[8192];
+
+        /* Skip the header. */
+        int skippedBytes = 0;
+        while (skippedBytes != HEADER_SIZE) {
+            int bytesRead = input.read(buffer, 0, HEADER_SIZE - skippedBytes);
+            output.write(buffer, 0, bytesRead);
+            skippedBytes += bytesRead;
+        }
+
+        int totalBytes = 0;
+        for (;;) {
+            int bytesRead = input.read(buffer);
+            if (bytesRead == -1) {
+                break;
+            }
+            totalBytes += bytesRead;
+            sig.update(buffer, 0, bytesRead);
+            output.write(buffer, 0, bytesRead);
+        }
+
+        byte[] sigBlock = new byte[SIGNATURE_BLOCK_SIZE];
+        sigBlock[0] = VERSION_CODE;
+        sig.sign(sigBlock, 1, sigBlock.length - 1);
+
+        output.write(sigBlock);
+    }
+
+    private static void usage() {
+        System.err.println("Usage: signtos " +
+                           "[-providerClass <className>] " +
+                           " privatekey.pk8 " +
+                           "input.img output.img");
+        System.exit(2);
+    }
+
+    public static void main(String[] args) throws Exception {
+        if (args.length < 3) {
+            usage();
+        }
+
+        String providerClass = null;
+        String providerArg = null;
+
+        int argstart = 0;
+        while (argstart < args.length && args[argstart].startsWith("-")) {
+            if ("-providerClass".equals(args[argstart])) {
+                if (argstart + 1 >= args.length) {
+                    usage();
+                }
+                providerClass = args[++argstart];
+                ++argstart;
+            } else {
+                usage();
+            }
+        }
+
+        /*
+         * Should only be "<privatekey> <input> <output>" left.
+         */
+        if (argstart != args.length - 3) {
+            usage();
+        }
+
+        sBouncyCastleProvider = new BouncyCastleProvider();
+        Security.addProvider(sBouncyCastleProvider);
+
+        loadProviderIfNecessary(providerClass);
+
+        String keyFilename = args[args.length - 3];
+        String inputFilename = args[args.length - 2];
+        String outputFilename = args[args.length - 1];
+
+        PrivateKey privateKey = readPrivateKey(new File(keyFilename));
+
+        InputStream input = new BufferedInputStream(new FileInputStream(inputFilename));
+        OutputStream output = new BufferedOutputStream(new FileOutputStream(outputFilename));
+        try {
+            SignTos.signWholeFile(input, output, privateKey);
+        } finally {
+            input.close();
+            output.close();
+        }
+
+        System.out.println("Successfully signed: " + outputFilename);
+    }
+}
diff --git a/tools/signtos/SignTos.mf b/tools/signtos/SignTos.mf
new file mode 100644
index 000000000..d8602962d
--- /dev/null
+++ b/tools/signtos/SignTos.mf
@@ -0,0 +1 @@
+Main-Class: com.android.signtos.SignTos
diff --git a/tools/zipalign/Android.mk b/tools/zipalign/Android.mk
index 798679802..8c0240a27 100644
--- a/tools/zipalign/Android.mk
+++ b/tools/zipalign/Android.mk
@@ -22,20 +22,17 @@ LOCAL_STATIC_LIBRARIES := \
 	liblog \
 	libzopfli
 
-ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lrt
-endif
+LOCAL_LDLIBS_linux += -lrt
 
-ifneq ($(strip $(USE_MINGW)),)
-LOCAL_STATIC_LIBRARIES += libz
-else
-LOCAL_LDLIBS += -lz
-endif
+LOCAL_STATIC_LIBRARIES_windows += libz
+LOCAL_LDLIBS_linux += -lz
+LOCAL_LDLIBS_darwin += -lz
 
 ifneq ($(strip $(BUILD_HOST_static)),)
 LOCAL_LDLIBS += -lpthread
 endif # BUILD_HOST_static
 
 LOCAL_MODULE := zipalign
+LOCAL_MODULE_HOST_OS := darwin linux windows
 
 include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/zipalign/README.txt b/tools/zipalign/README.txt
index 9c7d07e53..0b80b3535 100644
--- a/tools/zipalign/README.txt
+++ b/tools/zipalign/README.txt
@@ -5,6 +5,7 @@ usage: zipalign [-f] [-v] <align> infile.zip outfile.zip
 
   -c : check alignment only (does not modify file)
   -f : overwrite existing outfile.zip
+  -p : page align stored shared object files
   -v : verbose output
   <align> is in bytes, e.g. "4" provides 32-bit alignment
   infile.zip is an existing Zip archive
@@ -33,3 +34,7 @@ By default, zipalign will not overwrite an existing output file.  With the
 
 You can use the "-c" flag to test whether a zip archive is properly aligned.
 
+The "-p" flag aligns any file with a ".so" extension, and which is stored
+uncompressed in the zip archive, to a 4096-byte page boundary.  This
+facilitates directly loading shared libraries from inside a zip archive.
+
diff --git a/tools/zipalign/ZipAlign.cpp b/tools/zipalign/ZipAlign.cpp
index dc2826baa..a2dfd0289 100644
--- a/tools/zipalign/ZipAlign.cpp
+++ b/tools/zipalign/ZipAlign.cpp
@@ -32,20 +32,39 @@ void usage(void)
     fprintf(stderr, "Zip alignment utility\n");
     fprintf(stderr, "Copyright (C) 2009 The Android Open Source Project\n\n");
     fprintf(stderr,
-        "Usage: zipalign [-f] [-v] [-z] <align> infile.zip outfile.zip\n"
+        "Usage: zipalign [-f] [-p] [-v] [-z] <align> infile.zip outfile.zip\n"
         "       zipalign -c [-v] <align> infile.zip\n\n" );
     fprintf(stderr,
         "  <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");
     fprintf(stderr, "  -c: check alignment only (does not modify file)\n");
     fprintf(stderr, "  -f: overwrite existing outfile.zip\n");
+    fprintf(stderr, "  -p: page align stored shared object files\n");
     fprintf(stderr, "  -v: verbose output\n");
     fprintf(stderr, "  -z: recompress using Zopfli\n");
 }
 
+static int getAlignment(bool pageAlignSharedLibs, int defaultAlignment,
+    ZipEntry* pEntry) {
+
+    static const int kPageAlignment = 4096;
+
+    if (!pageAlignSharedLibs) {
+        return defaultAlignment;
+    }
+
+    const char* ext = strrchr(pEntry->getFileName(), '.');
+    if (ext && strcmp(ext, ".so") == 0) {
+        return kPageAlignment;
+    }
+
+    return defaultAlignment;
+}
+
 /*
  * Copy all entries from "pZin" to "pZout", aligning as needed.
  */
-static int copyAndAlign(ZipFile* pZin, ZipFile* pZout, int alignment, bool zopfli)
+static int copyAndAlign(ZipFile* pZin, ZipFile* pZout, int alignment, bool zopfli,
+    bool pageAlignSharedLibs)
 {
     int numEntries = pZin->getNumEntries();
     ZipEntry* pEntry;
@@ -75,13 +94,15 @@ static int copyAndAlign(ZipFile* pZin, ZipFile* pZout, int alignment, bool zopfl
                 status = pZout->add(pZin, pEntry, padding, &pNewEntry);
             }
         } else {
+            const int alignTo = getAlignment(pageAlignSharedLibs, alignment, pEntry);
+
             /*
              * Copy the entry, adjusting as required.  We assume that the
              * file position in the new file will be equal to the file
              * position in the original.
              */
             long newOffset = pEntry->getFileOffset() + bias;
-            padding = (alignment - (newOffset % alignment)) % alignment;
+            padding = (alignTo - (newOffset % alignTo)) % alignTo;
 
             //printf("--- %s: orig at %ld(+%d) len=%ld, adding pad=%d\n",
             //    pEntry->getFileName(), (long) pEntry->getFileOffset(),
@@ -105,7 +126,7 @@ static int copyAndAlign(ZipFile* pZin, ZipFile* pZout, int alignment, bool zopfl
  * output file exists and "force" wasn't specified.
  */
 static int process(const char* inFileName, const char* outFileName,
-    int alignment, bool force, bool zopfli)
+    int alignment, bool force, bool zopfli, bool pageAlignSharedLibs)
 {
     ZipFile zin, zout;
 
@@ -136,7 +157,7 @@ static int process(const char* inFileName, const char* outFileName,
         return 1;
     }
 
-    int result = copyAndAlign(&zin, &zout, alignment, zopfli);
+    int result = copyAndAlign(&zin, &zout, alignment, zopfli, pageAlignSharedLibs);
     if (result != 0) {
         printf("zipalign: failed rewriting '%s' to '%s'\n",
             inFileName, outFileName);
@@ -147,7 +168,8 @@ static int process(const char* inFileName, const char* outFileName,
 /*
  * Verify the alignment of a zip archive.
  */
-static int verify(const char* fileName, int alignment, bool verbose)
+static int verify(const char* fileName, int alignment, bool verbose,
+    bool pageAlignSharedLibs)
 {
     ZipFile zipFile;
     bool foundBad = false;
@@ -172,11 +194,12 @@ static int verify(const char* fileName, int alignment, bool verbose)
             }
         } else {
             long offset = pEntry->getFileOffset();
-            if ((offset % alignment) != 0) {
+            const int alignTo = getAlignment(pageAlignSharedLibs, alignment, pEntry);
+            if ((offset % alignTo) != 0) {
                 if (verbose) {
                     printf("%8ld %s (BAD - %ld)\n",
                         (long) offset, pEntry->getFileName(),
-                        offset % alignment);
+                        offset % alignTo);
                 }
                 foundBad = true;
             } else {
@@ -204,6 +227,7 @@ int main(int argc, char* const argv[])
     bool force = false;
     bool verbose = false;
     bool zopfli = false;
+    bool pageAlignSharedLibs = false;
     int result = 1;
     int alignment;
     char* endp;
@@ -233,6 +257,9 @@ int main(int argc, char* const argv[])
             case 'z':
                 zopfli = true;
                 break;
+            case 'p':
+                pageAlignSharedLibs = true;
+                break;
             default:
                 fprintf(stderr, "ERROR: unknown flag -%c\n", *cp);
                 wantUsage = true;
@@ -260,14 +287,15 @@ int main(int argc, char* const argv[])
 
     if (check) {
         /* check existing archive for correct alignment */
-        result = verify(argv[1], alignment, verbose);
+        result = verify(argv[1], alignment, verbose, pageAlignSharedLibs);
     } else {
         /* create the new archive */
-        result = process(argv[1], argv[2], alignment, force, zopfli);
+        result = process(argv[1], argv[2], alignment, force, zopfli, pageAlignSharedLibs);
 
         /* trust, but verify */
-        if (result == 0)
-            result = verify(argv[2], alignment, verbose);
+        if (result == 0) {
+            result = verify(argv[2], alignment, verbose, pageAlignSharedLibs);
+        }
     }
 
 bail:
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index d4d366df0..2f33e2305 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -26,6 +26,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <assert.h>
+#include <inttypes.h>
 
 using namespace android;
 
@@ -56,7 +57,7 @@ status_t ZipEntry::initFromCDE(FILE* fp)
     /* using the info in the CDE, go load up the LFH */
     posn = ftell(fp);
     if (fseek(fp, mCDE.mLocalHeaderRelOffset, SEEK_SET) != 0) {
-        ALOGD("local header seek failed (%ld)\n",
+        ALOGD("local header seek failed (%" PRIu32 ")\n",
             mCDE.mLocalHeaderRelOffset);
         return UNKNOWN_ERROR;
     }
@@ -123,12 +124,12 @@ void ZipEntry::initNew(const char* fileName, const char* comment)
     mCDE.mExternalAttrs = 0x81b60020;   // matches what WinZip does
 
     if (mCDE.mFileNameLength > 0) {
-        mCDE.mFileName = new unsigned char[mCDE.mFileNameLength+1];
+        mCDE.mFileName = new uint8_t[mCDE.mFileNameLength+1];
         strcpy((char*) mCDE.mFileName, fileName);
     }
     if (mCDE.mFileCommentLength > 0) {
         /* TODO: stop assuming null-terminated ASCII here? */
-        mCDE.mFileComment = new unsigned char[mCDE.mFileCommentLength+1];
+        mCDE.mFileComment = new uint8_t[mCDE.mFileCommentLength+1];
         strcpy((char*) mCDE.mFileComment, comment);
     }
 
@@ -141,8 +142,7 @@ void ZipEntry::initNew(const char* fileName, const char* comment)
  *
  * Initializes the CDE and the LFH.
  */
-status_t ZipEntry::initFromExternal(const ZipFile* pZipFile,
-    const ZipEntry* pEntry)
+status_t ZipEntry::initFromExternal(const ZipEntry* pEntry)
 {
     /*
      * Copy everything in the CDE over, then fix up the hairy bits.
@@ -150,20 +150,20 @@ status_t ZipEntry::initFromExternal(const ZipFile* pZipFile,
     memcpy(&mCDE, &pEntry->mCDE, sizeof(mCDE));
 
     if (mCDE.mFileNameLength > 0) {
-        mCDE.mFileName = new unsigned char[mCDE.mFileNameLength+1];
+        mCDE.mFileName = new uint8_t[mCDE.mFileNameLength+1];
         if (mCDE.mFileName == NULL)
             return NO_MEMORY;
         strcpy((char*) mCDE.mFileName, (char*)pEntry->mCDE.mFileName);
     }
     if (mCDE.mFileCommentLength > 0) {
-        mCDE.mFileComment = new unsigned char[mCDE.mFileCommentLength+1];
+        mCDE.mFileComment = new uint8_t[mCDE.mFileCommentLength+1];
         if (mCDE.mFileComment == NULL)
             return NO_MEMORY;
         strcpy((char*) mCDE.mFileComment, (char*)pEntry->mCDE.mFileComment);
     }
     if (mCDE.mExtraFieldLength > 0) {
         /* we null-terminate this, though it may not be a string */
-        mCDE.mExtraField = new unsigned char[mCDE.mExtraFieldLength+1];
+        mCDE.mExtraField = new uint8_t[mCDE.mExtraFieldLength+1];
         if (mCDE.mExtraField == NULL)
             return NO_MEMORY;
         memcpy(mCDE.mExtraField, pEntry->mCDE.mExtraField,
@@ -180,7 +180,7 @@ status_t ZipEntry::initFromExternal(const ZipFile* pZipFile,
     assert(mLFH.mExtraField == NULL);
     mLFH.mExtraFieldLength = pEntry->mLFH.mExtraFieldLength;
     if (mLFH.mExtraFieldLength > 0) {
-        mLFH.mExtraField = new unsigned char[mLFH.mExtraFieldLength+1];
+        mLFH.mExtraField = new uint8_t[mLFH.mExtraFieldLength+1];
         if (mLFH.mExtraField == NULL)
             return NO_MEMORY;
         memcpy(mLFH.mExtraField, pEntry->mLFH.mExtraField,
@@ -205,9 +205,9 @@ status_t ZipEntry::addPadding(int padding)
 
     if (mLFH.mExtraFieldLength > 0) {
         /* extend existing field */
-        unsigned char* newExtra;
+        uint8_t* newExtra;
 
-        newExtra = new unsigned char[mLFH.mExtraFieldLength + padding];
+        newExtra = new uint8_t[mLFH.mExtraFieldLength + padding];
         if (newExtra == NULL)
             return NO_MEMORY;
         memset(newExtra + mLFH.mExtraFieldLength, 0, padding);
@@ -218,7 +218,7 @@ status_t ZipEntry::addPadding(int padding)
         mLFH.mExtraFieldLength += padding;
     } else {
         /* create new field */
-        mLFH.mExtraField = new unsigned char[padding];
+        mLFH.mExtraField = new uint8_t[padding];
         memset(mLFH.mExtraField, 0, padding);
         mLFH.mExtraFieldLength = padding;
     }
@@ -246,7 +246,7 @@ void ZipEntry::copyCDEtoLFH(void)
 
     delete[] mLFH.mFileName;
     if (mLFH.mFileNameLength > 0) {
-        mLFH.mFileName = new unsigned char[mLFH.mFileNameLength+1];
+        mLFH.mFileName = new uint8_t[mLFH.mFileNameLength+1];
         strcpy((char*) mLFH.mFileName, (const char*) mCDE.mFileName);
     } else {
         mLFH.mFileName = NULL;
@@ -256,7 +256,7 @@ void ZipEntry::copyCDEtoLFH(void)
 /*
  * Set some information about a file after we add it.
  */
-void ZipEntry::setDataInfo(long uncompLen, long compLen, unsigned long crc32,
+void ZipEntry::setDataInfo(long uncompLen, long compLen, uint32_t crc32,
     int compressionMethod)
 {
     mCDE.mCompressionMethod = compressionMethod;
@@ -356,11 +356,11 @@ time_t ZipEntry::getModWhen(void) const
  */
 void ZipEntry::setModWhen(time_t when)
 {
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     struct tm tmResult;
 #endif
     time_t even;
-    unsigned short zdate, ztime;
+    uint16_t zdate, ztime;
 
     struct tm* ptm;
 
@@ -368,7 +368,7 @@ void ZipEntry::setModWhen(time_t when)
     even = (time_t)(((unsigned long)(when) + 1) & (~1));
 
     /* expand */
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     ptm = localtime_r(&even, &tmResult);
 #else
     ptm = localtime(&even);
@@ -402,7 +402,7 @@ void ZipEntry::setModWhen(time_t when)
 status_t ZipEntry::LocalFileHeader::read(FILE* fp)
 {
     status_t result = NO_ERROR;
-    unsigned char buf[kLFHLen];
+    uint8_t buf[kLFHLen];
 
     assert(mFileName == NULL);
     assert(mExtraField == NULL);
@@ -433,7 +433,7 @@ status_t ZipEntry::LocalFileHeader::read(FILE* fp)
 
     /* grab filename */
     if (mFileNameLength != 0) {
-        mFileName = new unsigned char[mFileNameLength+1];
+        mFileName = new uint8_t[mFileNameLength+1];
         if (mFileName == NULL) {
             result = NO_MEMORY;
             goto bail;
@@ -447,7 +447,7 @@ status_t ZipEntry::LocalFileHeader::read(FILE* fp)
 
     /* grab extra field */
     if (mExtraFieldLength != 0) {
-        mExtraField = new unsigned char[mExtraFieldLength+1];
+        mExtraField = new uint8_t[mExtraFieldLength+1];
         if (mExtraField == NULL) {
             result = NO_MEMORY;
             goto bail;
@@ -468,7 +468,7 @@ status_t ZipEntry::LocalFileHeader::read(FILE* fp)
  */
 status_t ZipEntry::LocalFileHeader::write(FILE* fp)
 {
-    unsigned char buf[kLFHLen];
+    uint8_t buf[kLFHLen];
 
     ZipEntry::putLongLE(&buf[0x00], kSignature);
     ZipEntry::putShortLE(&buf[0x04], mVersionToExtract);
@@ -507,13 +507,13 @@ status_t ZipEntry::LocalFileHeader::write(FILE* fp)
 void ZipEntry::LocalFileHeader::dump(void) const
 {
     ALOGD(" LocalFileHeader contents:\n");
-    ALOGD("  versToExt=%u gpBits=0x%04x compression=%u\n",
+    ALOGD("  versToExt=%" PRIu16 " gpBits=0x%04" PRIx16 " compression=%" PRIu16 "\n",
         mVersionToExtract, mGPBitFlag, mCompressionMethod);
-    ALOGD("  modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n",
+    ALOGD("  modTime=0x%04" PRIx16 " modDate=0x%04" PRIx16 " crc32=0x%08" PRIx32 "\n",
         mLastModFileTime, mLastModFileDate, mCRC32);
-    ALOGD("  compressedSize=%lu uncompressedSize=%lu\n",
+    ALOGD("  compressedSize=%" PRIu32 " uncompressedSize=%" PRIu32 "\n",
         mCompressedSize, mUncompressedSize);
-    ALOGD("  filenameLen=%u extraLen=%u\n",
+    ALOGD("  filenameLen=%" PRIu16 " extraLen=%" PRIu16 "\n",
         mFileNameLength, mExtraFieldLength);
     if (mFileName != NULL)
         ALOGD("  filename: '%s'\n", mFileName);
@@ -536,7 +536,7 @@ void ZipEntry::LocalFileHeader::dump(void) const
 status_t ZipEntry::CentralDirEntry::read(FILE* fp)
 {
     status_t result = NO_ERROR;
-    unsigned char buf[kCDELen];
+    uint8_t buf[kCDELen];
 
     /* no re-use */
     assert(mFileName == NULL);
@@ -575,7 +575,7 @@ status_t ZipEntry::CentralDirEntry::read(FILE* fp)
 
     /* grab filename */
     if (mFileNameLength != 0) {
-        mFileName = new unsigned char[mFileNameLength+1];
+        mFileName = new uint8_t[mFileNameLength+1];
         if (mFileName == NULL) {
             result = NO_MEMORY;
             goto bail;
@@ -589,7 +589,7 @@ status_t ZipEntry::CentralDirEntry::read(FILE* fp)
 
     /* read "extra field" */
     if (mExtraFieldLength != 0) {
-        mExtraField = new unsigned char[mExtraFieldLength+1];
+        mExtraField = new uint8_t[mExtraFieldLength+1];
         if (mExtraField == NULL) {
             result = NO_MEMORY;
             goto bail;
@@ -604,7 +604,7 @@ status_t ZipEntry::CentralDirEntry::read(FILE* fp)
 
     /* grab comment, if any */
     if (mFileCommentLength != 0) {
-        mFileComment = new unsigned char[mFileCommentLength+1];
+        mFileComment = new uint8_t[mFileCommentLength+1];
         if (mFileComment == NULL) {
             result = NO_MEMORY;
             goto bail;
@@ -626,7 +626,7 @@ status_t ZipEntry::CentralDirEntry::read(FILE* fp)
  */
 status_t ZipEntry::CentralDirEntry::write(FILE* fp)
 {
-    unsigned char buf[kCDELen];
+    uint8_t buf[kCDELen];
 
     ZipEntry::putLongLE(&buf[0x00], kSignature);
     ZipEntry::putShortLE(&buf[0x04], mVersionMadeBy);
@@ -676,15 +676,15 @@ status_t ZipEntry::CentralDirEntry::write(FILE* fp)
 void ZipEntry::CentralDirEntry::dump(void) const
 {
     ALOGD(" CentralDirEntry contents:\n");
-    ALOGD("  versMadeBy=%u versToExt=%u gpBits=0x%04x compression=%u\n",
+    ALOGD("  versMadeBy=%" PRIu16 " versToExt=%" PRIu16 " gpBits=0x%04" PRIx16 " compression=%" PRIu16 "\n",
         mVersionMadeBy, mVersionToExtract, mGPBitFlag, mCompressionMethod);
-    ALOGD("  modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n",
+    ALOGD("  modTime=0x%04" PRIx16 " modDate=0x%04" PRIx16 " crc32=0x%08" PRIx32 "\n",
         mLastModFileTime, mLastModFileDate, mCRC32);
-    ALOGD("  compressedSize=%lu uncompressedSize=%lu\n",
+    ALOGD("  compressedSize=%" PRIu32 " uncompressedSize=%" PRIu32 "\n",
         mCompressedSize, mUncompressedSize);
-    ALOGD("  filenameLen=%u extraLen=%u commentLen=%u\n",
+    ALOGD("  filenameLen=%" PRIu16 " extraLen=%" PRIu16 " commentLen=%" PRIu16 "\n",
         mFileNameLength, mExtraFieldLength, mFileCommentLength);
-    ALOGD("  diskNumStart=%u intAttr=0x%04x extAttr=0x%08lx relOffset=%lu\n",
+    ALOGD("  diskNumStart=%" PRIu16 " intAttr=0x%04" PRIx16 " extAttr=0x%08" PRIx32 " relOffset=%" PRIu32 "\n",
         mDiskNumberStart, mInternalAttrs, mExternalAttrs,
         mLocalHeaderRelOffset);
 
diff --git a/tools/zipalign/ZipEntry.h b/tools/zipalign/ZipEntry.h
index 7f721b463..e06567d13 100644
--- a/tools/zipalign/ZipEntry.h
+++ b/tools/zipalign/ZipEntry.h
@@ -25,6 +25,7 @@
 #include <utils/Errors.h>
 
 #include <stdlib.h>
+#include <stdint.h>
 #include <stdio.h>
 
 namespace android {
@@ -85,7 +86,7 @@ class ZipEntry {
     /*
      * Return the data CRC.
      */
-    unsigned long getCRC32(void) const { return mCDE.mCRC32; }
+    uint32_t getCRC32(void) const { return mCDE.mCRC32; }
 
     /*
      * Return file modification time in UNIX seconds-since-epoch.
@@ -108,21 +109,21 @@ class ZipEntry {
      * Some basic functions for raw data manipulation.  "LE" means
      * Little Endian.
      */
-    static inline unsigned short getShortLE(const unsigned char* buf) {
+    static inline uint16_t getShortLE(const uint8_t* buf) {
         return buf[0] | (buf[1] << 8);
     }
-    static inline unsigned long getLongLE(const unsigned char* buf) {
+    static inline uint32_t getLongLE(const uint8_t* buf) {
         return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
     }
-    static inline void putShortLE(unsigned char* buf, short val) {
-        buf[0] = (unsigned char) val;
-        buf[1] = (unsigned char) (val >> 8);
+    static inline void putShortLE(uint8_t* buf, uint16_t val) {
+        buf[0] = (uint8_t) val;
+        buf[1] = (uint8_t) (val >> 8);
     }
-    static inline void putLongLE(unsigned char* buf, long val) {
-        buf[0] = (unsigned char) val;
-        buf[1] = (unsigned char) (val >> 8);
-        buf[2] = (unsigned char) (val >> 16);
-        buf[3] = (unsigned char) (val >> 24);
+    static inline void putLongLE(uint8_t* buf, uint32_t val) {
+        buf[0] = (uint8_t) val;
+        buf[1] = (uint8_t) (val >> 8);
+        buf[2] = (uint8_t) (val >> 16);
+        buf[3] = (uint8_t) (val >> 24);
     }
 
     /* defined for Zip archives */
@@ -166,7 +167,7 @@ class ZipEntry {
      * Initialize the structure with the contents of a ZipEntry from
      * another file.
      */
-    status_t initFromExternal(const ZipFile* pZipFile, const ZipEntry* pEntry);
+    status_t initFromExternal(const ZipEntry* pEntry);
 
     /*
      * Add some pad bytes to the LFH.  We do this by adding or resizing
@@ -177,7 +178,7 @@ class ZipEntry {
     /*
      * Set information about the data for this entry.
      */
-    void setDataInfo(long uncompLen, long compLen, unsigned long crc32,
+    void setDataInfo(long uncompLen, long compLen, uint32_t crc32,
         int compressionMethod);
 
     /*
@@ -195,7 +196,7 @@ class ZipEntry {
      * the current file.
      */
     void setLFHOffset(off_t offset) {
-        mCDE.mLocalHeaderRelOffset = (long) offset;
+        mCDE.mLocalHeaderRelOffset = (uint32_t) offset;
     }
 
     /* mark for deletion; used by ZipFile::remove() */
@@ -240,19 +241,19 @@ class ZipEntry {
         status_t read(FILE* fp);
         status_t write(FILE* fp);
 
-        // unsigned long mSignature;
-        unsigned short  mVersionToExtract;
-        unsigned short  mGPBitFlag;
-        unsigned short  mCompressionMethod;
-        unsigned short  mLastModFileTime;
-        unsigned short  mLastModFileDate;
-        unsigned long   mCRC32;
-        unsigned long   mCompressedSize;
-        unsigned long   mUncompressedSize;
-        unsigned short  mFileNameLength;
-        unsigned short  mExtraFieldLength;
-        unsigned char*  mFileName;
-        unsigned char*  mExtraField;
+        // uint32_t mSignature;
+        uint16_t mVersionToExtract;
+        uint16_t mGPBitFlag;
+        uint16_t mCompressionMethod;
+        uint16_t mLastModFileTime;
+        uint16_t mLastModFileDate;
+        uint32_t mCRC32;
+        uint32_t mCompressedSize;
+        uint32_t mUncompressedSize;
+        uint16_t mFileNameLength;
+        uint16_t mExtraFieldLength;
+        uint8_t* mFileName;
+        uint8_t* mExtraField;
 
         enum {
             kSignature      = 0x04034b50,
@@ -298,26 +299,26 @@ class ZipEntry {
         status_t read(FILE* fp);
         status_t write(FILE* fp);
 
-        // unsigned long mSignature;
-        unsigned short  mVersionMadeBy;
-        unsigned short  mVersionToExtract;
-        unsigned short  mGPBitFlag;
-        unsigned short  mCompressionMethod;
-        unsigned short  mLastModFileTime;
-        unsigned short  mLastModFileDate;
-        unsigned long   mCRC32;
-        unsigned long   mCompressedSize;
-        unsigned long   mUncompressedSize;
-        unsigned short  mFileNameLength;
-        unsigned short  mExtraFieldLength;
-        unsigned short  mFileCommentLength;
-        unsigned short  mDiskNumberStart;
-        unsigned short  mInternalAttrs;
-        unsigned long   mExternalAttrs;
-        unsigned long   mLocalHeaderRelOffset;
-        unsigned char*  mFileName;
-        unsigned char*  mExtraField;
-        unsigned char*  mFileComment;
+        // uint32_t mSignature;
+        uint16_t mVersionMadeBy;
+        uint16_t mVersionToExtract;
+        uint16_t mGPBitFlag;
+        uint16_t mCompressionMethod;
+        uint16_t mLastModFileTime;
+        uint16_t mLastModFileDate;
+        uint32_t mCRC32;
+        uint32_t mCompressedSize;
+        uint32_t mUncompressedSize;
+        uint16_t mFileNameLength;
+        uint16_t mExtraFieldLength;
+        uint16_t mFileCommentLength;
+        uint16_t mDiskNumberStart;
+        uint16_t mInternalAttrs;
+        uint32_t mExternalAttrs;
+        uint32_t mLocalHeaderRelOffset;
+        uint8_t* mFileName;
+        uint8_t* mExtraField;
+        uint8_t* mFileComment;
 
         void dump(void) const;
 
diff --git a/tools/zipalign/ZipFile.cpp b/tools/zipalign/ZipFile.cpp
index 3c5ec155b..4edf0aa39 100644
--- a/tools/zipalign/ZipFile.cpp
+++ b/tools/zipalign/ZipFile.cpp
@@ -34,6 +34,7 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <assert.h>
+#include <inttypes.h>
 
 using namespace android;
 
@@ -206,7 +207,7 @@ void ZipFile::discardEntries(void)
 status_t ZipFile::readCentralDir(void)
 {
     status_t result = NO_ERROR;
-    unsigned char* buf = NULL;
+    uint8_t* buf = NULL;
     off_t fileLength, seekStart;
     long readAmount;
     int i;
@@ -222,7 +223,7 @@ status_t ZipFile::readCentralDir(void)
         goto bail;
     }
 
-    buf = new unsigned char[EndOfCentralDir::kMaxEOCDSearch];
+    buf = new uint8_t[EndOfCentralDir::kMaxEOCDSearch];
     if (buf == NULL) {
         ALOGD("Failure allocating %d bytes for EOCD search",
              EndOfCentralDir::kMaxEOCDSearch);
@@ -296,7 +297,7 @@ status_t ZipFile::readCentralDir(void)
      * we're hoping to preserve.
      */
     if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) {
-        ALOGD("Failure seeking to central dir offset %ld\n",
+        ALOGD("Failure seeking to central dir offset %" PRIu32 "\n",
              mEOCD.mCentralDirOffset);
         result = UNKNOWN_ERROR;
         goto bail;
@@ -305,7 +306,7 @@ status_t ZipFile::readCentralDir(void)
     /*
      * Loop through and read the central dir entries.
      */
-    ALOGV("Scanning %d entries...\n", mEOCD.mTotalNumEntries);
+    ALOGV("Scanning %" PRIu16 " entries...\n", mEOCD.mTotalNumEntries);
     int entry;
     for (entry = 0; entry < mEOCD.mTotalNumEntries; entry++) {
         ZipEntry* pEntry = new ZipEntry;
@@ -325,7 +326,7 @@ status_t ZipFile::readCentralDir(void)
      * If all went well, we should now be back at the EOCD.
      */
     {
-        unsigned char checkBuf[4];
+        uint8_t checkBuf[4];
         if (fread(checkBuf, 1, 4, mZipFp) != 4) {
             ALOGD("EOCD check read failed\n");
             result = INVALID_OPERATION;
@@ -365,7 +366,7 @@ status_t ZipFile::addCommon(const char* fileName, const void* data, size_t size,
     status_t result = NO_ERROR;
     long lfhPosn, startPosn, endPosn, uncompressedLen;
     FILE* inputFp = NULL;
-    unsigned long crc;
+    uint32_t crc;
     time_t modWhen;
 
     if (mReadOnly)
@@ -466,14 +467,16 @@ status_t ZipFile::addCommon(const char* fileName, const void* data, size_t size,
         bool scanResult;
         int method;
         long compressedLen;
+        unsigned long longcrc;
 
         scanResult = ZipUtils::examineGzip(inputFp, &method, &uncompressedLen,
-                        &compressedLen, &crc);
+                        &compressedLen, &longcrc);
         if (!scanResult || method != ZipEntry::kCompressDeflated) {
             ALOGD("this isn't a deflated gzip file?");
             result = UNKNOWN_ERROR;
             goto bail;
         }
+        crc = longcrc;
 
         result = copyPartialFpToFp(mZipFp, inputFp, compressedLen, NULL);
         if (result != NO_ERROR) {
@@ -563,7 +566,7 @@ status_t ZipFile::add(const ZipFile* pSourceZip, const ZipEntry* pSourceEntry,
         goto bail;
     }
 
-    result = pEntry->initFromExternal(pSourceZip, pSourceEntry);
+    result = pEntry->initFromExternal(pSourceEntry);
     if (result != NO_ERROR)
         goto bail;
     if (padding != 0) {
@@ -670,7 +673,7 @@ status_t ZipFile::addRecompress(const ZipFile* pSourceZip, const ZipEntry* pSour
         goto bail;
     }
 
-    result = pEntry->initFromExternal(pSourceZip, pSourceEntry);
+    result = pEntry->initFromExternal(pSourceEntry);
     if (result != NO_ERROR)
         goto bail;
 
@@ -710,7 +713,7 @@ status_t ZipFile::addRecompress(const ZipFile* pSourceZip, const ZipEntry* pSour
             goto bail;
         }
         long startPosn = ftell(mZipFp);
-        unsigned long crc;
+        uint32_t crc;
         if (compressFpToFp(mZipFp, NULL, buf, uncompressedLen, &crc) != NO_ERROR) {
             ALOGW("recompress of '%s' failed\n", pEntry->mCDE.mFileName);
             result = UNKNOWN_ERROR;
@@ -780,9 +783,9 @@ status_t ZipFile::addRecompress(const ZipFile* pSourceZip, const ZipEntry* pSour
  * On exit, "srcFp" will be seeked to the end of the file, and "dstFp"
  * will be seeked immediately past the data.
  */
-status_t ZipFile::copyFpToFp(FILE* dstFp, FILE* srcFp, unsigned long* pCRC32)
+status_t ZipFile::copyFpToFp(FILE* dstFp, FILE* srcFp, uint32_t* pCRC32)
 {
-    unsigned char tmpBuf[32768];
+    uint8_t tmpBuf[32768];
     size_t count;
 
     *pCRC32 = crc32(0L, Z_NULL, 0);
@@ -811,7 +814,7 @@ status_t ZipFile::copyFpToFp(FILE* dstFp, FILE* srcFp, unsigned long* pCRC32)
  * On exit, "dstFp" will be seeked immediately past the data.
  */
 status_t ZipFile::copyDataToFp(FILE* dstFp,
-    const void* data, size_t size, unsigned long* pCRC32)
+    const void* data, size_t size, uint32_t* pCRC32)
 {
     size_t count;
 
@@ -836,9 +839,9 @@ status_t ZipFile::copyDataToFp(FILE* dstFp,
  * will be seeked immediately past the data just written.
  */
 status_t ZipFile::copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length,
-    unsigned long* pCRC32)
+    uint32_t* pCRC32)
 {
-    unsigned char tmpBuf[32768];
+    uint8_t tmpBuf[32768];
     size_t count;
 
     if (pCRC32 != NULL)
@@ -846,7 +849,7 @@ status_t ZipFile::copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length,
 
     while (length) {
         long readSize;
-        
+
         readSize = sizeof(tmpBuf);
         if (readSize > length)
             readSize = length;
@@ -878,15 +881,15 @@ status_t ZipFile::copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length,
  * will be seeked immediately past the compressed data.
  */
 status_t ZipFile::compressFpToFp(FILE* dstFp, FILE* srcFp,
-    const void* data, size_t size, unsigned long* pCRC32)
+    const void* data, size_t size, uint32_t* pCRC32)
 {
     status_t result = NO_ERROR;
     const size_t kBufSize = 1024 * 1024;
-    unsigned char* inBuf = NULL;
-    unsigned char* outBuf = NULL;
+    uint8_t* inBuf = NULL;
+    uint8_t* outBuf = NULL;
     size_t outSize = 0;
     bool atEof = false;     // no feof() aviailable yet
-    unsigned long crc;
+    uint32_t crc;
     ZopfliOptions options;
     unsigned char bp = 0;
 
@@ -902,7 +905,7 @@ status_t ZipFile::compressFpToFp(FILE* dstFp, FILE* srcFp,
         /*
          * Create an input buffer and an output buffer.
          */
-        inBuf = new unsigned char[kBufSize];
+        inBuf = new uint8_t[kBufSize];
         if (inBuf == NULL) {
             result = NO_MEMORY;
             goto bail;
@@ -1128,7 +1131,7 @@ status_t ZipFile::filemove(FILE* fp, off_t dst, off_t src, size_t n)
     if (dst == src || n <= 0)
         return NO_ERROR;
 
-    unsigned char readBuf[32768];
+    uint8_t readBuf[32768];
 
     if (dst < src) {
         /* shift stuff toward start of file; must read from start */
@@ -1294,7 +1297,7 @@ void* ZipFile::uncompress(const ZipEntry* entry) const
  * "buf" should be positioned at the EOCD signature, and should contain
  * the entire EOCD area including the comment.
  */
-status_t ZipFile::EndOfCentralDir::readBuf(const unsigned char* buf, int len)
+status_t ZipFile::EndOfCentralDir::readBuf(const uint8_t* buf, int len)
 {
     /* don't allow re-use */
     assert(mComment == NULL);
@@ -1322,11 +1325,11 @@ status_t ZipFile::EndOfCentralDir::readBuf(const unsigned char* buf, int len)
 
     if (mCommentLen > 0) {
         if (kEOCDLen + mCommentLen > len) {
-            ALOGD("EOCD(%d) + comment(%d) exceeds len (%d)\n",
+            ALOGD("EOCD(%d) + comment(%" PRIu16 ") exceeds len (%d)\n",
                 kEOCDLen, mCommentLen, len);
             return UNKNOWN_ERROR;
         }
-        mComment = new unsigned char[mCommentLen];
+        mComment = new uint8_t[mCommentLen];
         memcpy(mComment, buf + kEOCDLen, mCommentLen);
     }
 
@@ -1338,7 +1341,7 @@ status_t ZipFile::EndOfCentralDir::readBuf(const unsigned char* buf, int len)
  */
 status_t ZipFile::EndOfCentralDir::write(FILE* fp)
 {
-    unsigned char buf[kEOCDLen];
+    uint8_t buf[kEOCDLen];
 
     ZipEntry::putLongLE(&buf[0x00], kSignature);
     ZipEntry::putShortLE(&buf[0x04], mDiskNumber);
@@ -1366,9 +1369,9 @@ status_t ZipFile::EndOfCentralDir::write(FILE* fp)
 void ZipFile::EndOfCentralDir::dump(void) const
 {
     ALOGD(" EndOfCentralDir contents:\n");
-    ALOGD("  diskNum=%u diskWCD=%u numEnt=%u totalNumEnt=%u\n",
+    ALOGD("  diskNum=%" PRIu16 " diskWCD=%" PRIu16 " numEnt=%" PRIu16 " totalNumEnt=%" PRIu16 "\n",
         mDiskNumber, mDiskWithCentralDir, mNumEntries, mTotalNumEntries);
-    ALOGD("  centDirSize=%lu centDirOff=%lu commentLen=%u\n",
+    ALOGD("  centDirSize=%" PRIu32 " centDirOff=%" PRIu32 " commentLen=%" PRIu32 "\n",
         mCentralDirSize, mCentralDirOffset, mCommentLen);
 }
 
diff --git a/tools/zipalign/ZipFile.h b/tools/zipalign/ZipFile.h
index b99cda594..b0bafe95b 100644
--- a/tools/zipalign/ZipFile.h
+++ b/tools/zipalign/ZipFile.h
@@ -194,18 +194,18 @@ class ZipFile {
             delete[] mComment;
         }
 
-        status_t readBuf(const unsigned char* buf, int len);
+        status_t readBuf(const uint8_t* buf, int len);
         status_t write(FILE* fp);
 
-        //unsigned long   mSignature;
-        unsigned short  mDiskNumber;
-        unsigned short  mDiskWithCentralDir;
-        unsigned short  mNumEntries;
-        unsigned short  mTotalNumEntries;
-        unsigned long   mCentralDirSize;
-        unsigned long   mCentralDirOffset;      // offset from first disk
-        unsigned short  mCommentLen;
-        unsigned char*  mComment;
+        //uint32_t mSignature;
+        uint16_t mDiskNumber;
+        uint16_t mDiskWithCentralDir;
+        uint16_t mNumEntries;
+        uint16_t mTotalNumEntries;
+        uint32_t mCentralDirSize;
+        uint32_t mCentralDirOffset;      // offset from first disk
+        uint16_t mCommentLen;
+        uint8_t* mComment;
 
         enum {
             kSignature      = 0x06054b50,
@@ -235,18 +235,18 @@ class ZipFile {
         ZipEntry** ppEntry);
 
     /* copy all of "srcFp" into "dstFp" */
-    status_t copyFpToFp(FILE* dstFp, FILE* srcFp, unsigned long* pCRC32);
+    status_t copyFpToFp(FILE* dstFp, FILE* srcFp, uint32_t* pCRC32);
     /* copy all of "data" into "dstFp" */
     status_t copyDataToFp(FILE* dstFp,
-        const void* data, size_t size, unsigned long* pCRC32);
+        const void* data, size_t size, uint32_t* pCRC32);
     /* copy some of "srcFp" into "dstFp" */
     status_t copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length,
-        unsigned long* pCRC32);
+        uint32_t* pCRC32);
     /* like memmove(), but on parts of a single file */
     status_t filemove(FILE* fp, off_t dest, off_t src, size_t n);
     /* compress all of "srcFp" into "dstFp", using Deflate */
     status_t compressFpToFp(FILE* dstFp, FILE* srcFp,
-        const void* data, size_t size, unsigned long* pCRC32);
+        const void* data, size_t size, uint32_t* pCRC32);
 
     /* get modification date from a file descriptor */
     time_t getModTime(int fd);
diff --git a/tools/check_prereq/Android.mk b/tools/ziptime/Android.mk
similarity index 65%
rename from tools/check_prereq/Android.mk
rename to tools/ziptime/Android.mk
index 4329aff74..3575229eb 100644
--- a/tools/check_prereq/Android.mk
+++ b/tools/ziptime/Android.mk
@@ -1,4 +1,5 @@
-# Copyright (C) 2009 The Android Open Source Project
+#
+# Copyright 2015 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -11,15 +12,21 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+#
+
+#
+# Zip timestamp removal tool
+#
 
-LOCAL_PATH := $(call my-dir)
+LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := check_prereq.c
-LOCAL_MODULE := check_prereq
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_MODULE_TAGS := eng
-LOCAL_C_INCLUDES +=
-LOCAL_STATIC_LIBRARIES += libcutils libc
+LOCAL_SRC_FILES := \
+	ZipTime.cpp \
+	ZipEntry.cpp \
+	ZipFile.cpp
+
+LOCAL_MODULE := ziptime
+LOCAL_MODULE_HOST_OS := darwin linux windows
 
-include $(BUILD_EXECUTABLE)
+include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/ziptime/README.txt b/tools/ziptime/README.txt
new file mode 100644
index 000000000..8a101e9af
--- /dev/null
+++ b/tools/ziptime/README.txt
@@ -0,0 +1,10 @@
+ziptime -- zip timestamp tool
+
+usage: ziptime file.zip
+
+  file.zip is an existing Zip archive to rewrite
+
+
+This tools replaces the timestamps in the zip headers with a static time
+(Jan 1 2008). The extra fields are not changed, so you'll need to use the
+-X option to zip so that it doesn't create the 'universal time' extra.
diff --git a/tools/ziptime/ZipEntry.cpp b/tools/ziptime/ZipEntry.cpp
new file mode 100644
index 000000000..51ce09f1f
--- /dev/null
+++ b/tools/ziptime/ZipEntry.cpp
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Access to entries in a Zip archive.
+//
+
+#include "ZipEntry.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <inttypes.h>
+
+using namespace android;
+
+#define LOG(...) fprintf(stderr, __VA_ARGS__)
+
+/* Jan 01 2008 */
+#define STATIC_DATE (28 << 9 | 1 << 5 | 1)
+#define STATIC_TIME 0
+
+/*
+ * Initialize a new ZipEntry structure from a FILE* positioned at a
+ * CentralDirectoryEntry. Rewrites the headers to remove the dynamic
+ * timestamps.
+ *
+ * On exit, the file pointer will be at the start of the next CDE or
+ * at the EOCD.
+ */
+status_t ZipEntry::initAndRewriteFromCDE(FILE* fp)
+{
+    status_t result;
+    long posn;
+
+    /* read the CDE */
+    result = mCDE.rewrite(fp);
+    if (result != 0) {
+        LOG("mCDE.rewrite failed\n");
+        return result;
+    }
+
+    /* using the info in the CDE, go load up the LFH */
+    posn = ftell(fp);
+    if (fseek(fp, mCDE.mLocalHeaderRelOffset, SEEK_SET) != 0) {
+        LOG("local header seek failed (%" PRIu32 ")\n",
+            mCDE.mLocalHeaderRelOffset);
+        return -1;
+    }
+
+    result = mLFH.rewrite(fp);
+    if (result != 0) {
+        LOG("mLFH.rewrite failed\n");
+        return result;
+    }
+
+    if (fseek(fp, posn, SEEK_SET) != 0)
+        return -1;
+
+    return 0;
+}
+
+/*
+ * ===========================================================================
+ *      ZipEntry::LocalFileHeader
+ * ===========================================================================
+ */
+
+/*
+ * Rewrite a local file header.
+ *
+ * On entry, "fp" points to the signature at the start of the header.
+ */
+status_t ZipEntry::LocalFileHeader::rewrite(FILE* fp)
+{
+    status_t result = 0;
+    uint8_t buf[kLFHLen];
+
+    if (fread(buf, 1, kLFHLen, fp) != kLFHLen)
+        return -1;
+
+    if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) {
+        LOG("whoops: didn't find expected signature\n");
+        return -1;
+    }
+
+    ZipEntry::putShortLE(&buf[0x0a], STATIC_TIME);
+    ZipEntry::putShortLE(&buf[0x0c], STATIC_DATE);
+
+    if (fseek(fp, -kLFHLen, SEEK_CUR) != 0)
+        return -1;
+
+    if (fwrite(buf, 1, kLFHLen, fp) != kLFHLen)
+        return -1;
+
+    return 0;
+}
+
+/*
+ * ===========================================================================
+ *      ZipEntry::CentralDirEntry
+ * ===========================================================================
+ */
+
+/*
+ * Read and rewrite the central dir entry that appears next in the file.
+ *
+ * On entry, "fp" should be positioned on the signature bytes for the
+ * entry.  On exit, "fp" will point at the signature word for the next
+ * entry or for the EOCD.
+ */
+status_t ZipEntry::CentralDirEntry::rewrite(FILE* fp)
+{
+    status_t result = 0;
+    uint8_t buf[kCDELen];
+    uint16_t fileNameLength, extraFieldLength, fileCommentLength;
+
+    if (fread(buf, 1, kCDELen, fp) != kCDELen)
+        return -1;
+
+    if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) {
+        LOG("Whoops: didn't find expected signature\n");
+        return -1;
+    }
+
+    ZipEntry::putShortLE(&buf[0x0c], STATIC_TIME);
+    ZipEntry::putShortLE(&buf[0x0e], STATIC_DATE);
+
+    fileNameLength = ZipEntry::getShortLE(&buf[0x1c]);
+    extraFieldLength = ZipEntry::getShortLE(&buf[0x1e]);
+    fileCommentLength = ZipEntry::getShortLE(&buf[0x20]);
+    mLocalHeaderRelOffset = ZipEntry::getLongLE(&buf[0x2a]);
+
+    if (fseek(fp, -kCDELen, SEEK_CUR) != 0)
+        return -1;
+
+    if (fwrite(buf, 1, kCDELen, fp) != kCDELen)
+        return -1;
+
+    if (fseek(fp, fileNameLength + extraFieldLength + fileCommentLength, SEEK_CUR) != 0)
+        return -1;
+
+    return 0;
+}
diff --git a/tools/ziptime/ZipEntry.h b/tools/ziptime/ZipEntry.h
new file mode 100644
index 000000000..26bf5962a
--- /dev/null
+++ b/tools/ziptime/ZipEntry.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Zip archive entries.
+//
+// The ZipEntry class is tightly meshed with the ZipFile class.
+//
+#ifndef __LIBS_ZIPENTRY_H
+#define __LIBS_ZIPENTRY_H
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+
+typedef int status_t;
+
+namespace android {
+
+class ZipFile;
+
+/*
+ * ZipEntry objects represent a single entry in a Zip archive.
+ *
+ * File information is stored in two places: next to the file data (the Local
+ * File Header, and possibly a Data Descriptor), and at the end of the file
+ * (the Central Directory Entry).  The two must be kept in sync.
+ */
+class ZipEntry {
+public:
+    friend class ZipFile;
+
+    ZipEntry(void) {}
+    ~ZipEntry(void) {}
+
+    /*
+     * Some basic functions for raw data manipulation.  "LE" means
+     * Little Endian.
+     */
+    static inline uint16_t getShortLE(const uint8_t* buf) {
+        return buf[0] | (buf[1] << 8);
+    }
+    static inline uint32_t getLongLE(const uint8_t* buf) {
+        return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
+    }
+    static inline void putShortLE(uint8_t* buf, uint16_t val) {
+        buf[0] = (uint8_t) val;
+        buf[1] = (uint8_t) (val >> 8);
+    }
+
+protected:
+    /*
+     * Initialize the structure from the file, which is pointing at
+     * our Central Directory entry. And rewrite it.
+     */
+    status_t initAndRewriteFromCDE(FILE* fp);
+
+private:
+    /* these are private and not defined */
+    ZipEntry(const ZipEntry& src);
+    ZipEntry& operator=(const ZipEntry& src);
+
+    /*
+     * Every entry in the Zip archive starts off with one of these.
+     */
+    class LocalFileHeader {
+    public:
+        LocalFileHeader(void) {}
+
+        status_t rewrite(FILE* fp);
+
+        enum {
+            kSignature      = 0x04034b50,
+            kLFHLen         = 30,       // LocalFileHdr len, excl. var fields
+        };
+    };
+
+    /*
+     * Every entry in the Zip archive has one of these in the "central
+     * directory" at the end of the file.
+     */
+    class CentralDirEntry {
+    public:
+        CentralDirEntry(void) :
+            mLocalHeaderRelOffset(0)
+        {}
+
+        status_t rewrite(FILE* fp);
+
+        uint32_t mLocalHeaderRelOffset;
+
+        enum {
+            kSignature      = 0x02014b50,
+            kCDELen         = 46,       // CentralDirEnt len, excl. var fields
+        };
+    };
+
+    LocalFileHeader     mLFH;
+    CentralDirEntry     mCDE;
+};
+
+}; // namespace android
+
+#endif // __LIBS_ZIPENTRY_H
diff --git a/tools/ziptime/ZipFile.cpp b/tools/ziptime/ZipFile.cpp
new file mode 100644
index 000000000..1d111af53
--- /dev/null
+++ b/tools/ziptime/ZipFile.cpp
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Access to Zip archives.
+//
+
+#include "ZipFile.h"
+
+#include <memory.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <assert.h>
+#include <inttypes.h>
+
+using namespace android;
+
+#define LOG(...) fprintf(stderr, __VA_ARGS__)
+
+/*
+ * Open a file and rewrite the headers
+ */
+status_t ZipFile::rewrite(const char* zipFileName)
+{
+    assert(mZipFp == NULL);     // no reopen
+
+    /* open the file */
+    mZipFp = fopen(zipFileName, "r+b");
+    if (mZipFp == NULL) {
+        int err = errno;
+        LOG("fopen failed: %d\n", err);
+        return -1;
+    }
+
+    /*
+     * Load the central directory.  If that fails, then this probably
+     * isn't a Zip archive.
+     */
+    return rewriteCentralDir();
+}
+
+/*
+ * Find the central directory, read and rewrite the contents.
+ *
+ * The fun thing about ZIP archives is that they may or may not be
+ * readable from start to end.  In some cases, notably for archives
+ * that were written to stdout, the only length information is in the
+ * central directory at the end of the file.
+ *
+ * Of course, the central directory can be followed by a variable-length
+ * comment field, so we have to scan through it backwards.  The comment
+ * is at most 64K, plus we have 18 bytes for the end-of-central-dir stuff
+ * itself, plus apparently sometimes people throw random junk on the end
+ * just for the fun of it.
+ *
+ * This is all a little wobbly.  If the wrong value ends up in the EOCD
+ * area, we're hosed.  This appears to be the way that everbody handles
+ * it though, so we're in pretty good company if this fails.
+ */
+status_t ZipFile::rewriteCentralDir(void)
+{
+    status_t result = 0;
+    uint8_t* buf = NULL;
+    off_t fileLength, seekStart;
+    long readAmount;
+    int i;
+
+    fseek(mZipFp, 0, SEEK_END);
+    fileLength = ftell(mZipFp);
+    rewind(mZipFp);
+
+    /* too small to be a ZIP archive? */
+    if (fileLength < EndOfCentralDir::kEOCDLen) {
+        LOG("Length is %ld -- too small\n", (long)fileLength);
+        result = -1;
+        goto bail;
+    }
+
+    buf = new uint8_t[EndOfCentralDir::kMaxEOCDSearch];
+    if (buf == NULL) {
+        LOG("Failure allocating %d bytes for EOCD search",
+             EndOfCentralDir::kMaxEOCDSearch);
+        result = -1;
+        goto bail;
+    }
+
+    if (fileLength > EndOfCentralDir::kMaxEOCDSearch) {
+        seekStart = fileLength - EndOfCentralDir::kMaxEOCDSearch;
+        readAmount = EndOfCentralDir::kMaxEOCDSearch;
+    } else {
+        seekStart = 0;
+        readAmount = (long) fileLength;
+    }
+    if (fseek(mZipFp, seekStart, SEEK_SET) != 0) {
+        LOG("Failure seeking to end of zip at %ld", (long) seekStart);
+        result = -1;
+        goto bail;
+    }
+
+    /* read the last part of the file into the buffer */
+    if (fread(buf, 1, readAmount, mZipFp) != (size_t) readAmount) {
+        LOG("short file? wanted %ld\n", readAmount);
+        result = -1;
+        goto bail;
+    }
+
+    /* find the end-of-central-dir magic */
+    for (i = readAmount - 4; i >= 0; i--) {
+        if (buf[i] == 0x50 &&
+            ZipEntry::getLongLE(&buf[i]) == EndOfCentralDir::kSignature)
+        {
+            break;
+        }
+    }
+    if (i < 0) {
+        LOG("EOCD not found, not Zip\n");
+        result = -1;
+        goto bail;
+    }
+
+    /* extract eocd values */
+    result = mEOCD.readBuf(buf + i, readAmount - i);
+    if (result != 0) {
+        LOG("Failure reading %ld bytes of EOCD values", readAmount - i);
+        goto bail;
+    }
+
+    /*
+     * So far so good.  "mCentralDirSize" is the size in bytes of the
+     * central directory, so we can just seek back that far to find it.
+     * We can also seek forward mCentralDirOffset bytes from the
+     * start of the file.
+     *
+     * We're not guaranteed to have the rest of the central dir in the
+     * buffer, nor are we guaranteed that the central dir will have any
+     * sort of convenient size.  We need to skip to the start of it and
+     * read the header, then the other goodies.
+     *
+     * The only thing we really need right now is the file comment, which
+     * we're hoping to preserve.
+     */
+    if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) {
+        LOG("Failure seeking to central dir offset %" PRIu32 "\n",
+             mEOCD.mCentralDirOffset);
+        result = -1;
+        goto bail;
+    }
+
+    /*
+     * Loop through and read the central dir entries.
+     */
+    int entry;
+    for (entry = 0; entry < mEOCD.mTotalNumEntries; entry++) {
+        ZipEntry* pEntry = new ZipEntry;
+
+        result = pEntry->initAndRewriteFromCDE(mZipFp);
+        if (result != 0) {
+            LOG("initFromCDE failed\n");
+            delete pEntry;
+            goto bail;
+        }
+
+        delete pEntry;
+    }
+
+
+    /*
+     * If all went well, we should now be back at the EOCD.
+     */
+    uint8_t checkBuf[4];
+    if (fread(checkBuf, 1, 4, mZipFp) != 4) {
+        LOG("EOCD check read failed\n");
+        result = -1;
+        goto bail;
+    }
+    if (ZipEntry::getLongLE(checkBuf) != EndOfCentralDir::kSignature) {
+        LOG("EOCD read check failed\n");
+        result = -1;
+        goto bail;
+    }
+
+bail:
+    delete[] buf;
+    return result;
+}
+
+/*
+ * ===========================================================================
+ *      ZipFile::EndOfCentralDir
+ * ===========================================================================
+ */
+
+/*
+ * Read the end-of-central-dir fields.
+ *
+ * "buf" should be positioned at the EOCD signature, and should contain
+ * the entire EOCD area including the comment.
+ */
+status_t ZipFile::EndOfCentralDir::readBuf(const uint8_t* buf, int len)
+{
+    uint16_t diskNumber, diskWithCentralDir, numEntries;
+
+    if (len < kEOCDLen) {
+        /* looks like ZIP file got truncated */
+        LOG(" Zip EOCD: expected >= %d bytes, found %d\n",
+            kEOCDLen, len);
+        return -1;
+    }
+
+    /* this should probably be an assert() */
+    if (ZipEntry::getLongLE(&buf[0x00]) != kSignature)
+        return -1;
+
+    diskNumber = ZipEntry::getShortLE(&buf[0x04]);
+    diskWithCentralDir = ZipEntry::getShortLE(&buf[0x06]);
+    numEntries = ZipEntry::getShortLE(&buf[0x08]);
+    mTotalNumEntries = ZipEntry::getShortLE(&buf[0x0a]);
+    mCentralDirOffset = ZipEntry::getLongLE(&buf[0x10]);
+
+    if (diskNumber != 0 || diskWithCentralDir != 0 ||
+        numEntries != mTotalNumEntries)
+    {
+        LOG("Archive spanning not supported\n");
+        return -1;
+    }
+
+    return 0;
+}
diff --git a/tools/ziptime/ZipFile.h b/tools/ziptime/ZipFile.h
new file mode 100644
index 000000000..b049e0576
--- /dev/null
+++ b/tools/ziptime/ZipFile.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Class to rewrite zip file headers to remove dynamic timestamps.
+//
+#ifndef __LIBS_ZIPFILE_H
+#define __LIBS_ZIPFILE_H
+
+#include <stdio.h>
+
+#include "ZipEntry.h"
+
+namespace android {
+
+/*
+ * Manipulate a Zip archive.
+ */
+class ZipFile {
+public:
+    ZipFile(void) : mZipFp(NULL) {}
+    ~ZipFile(void) {
+        if (mZipFp != NULL)
+            fclose(mZipFp);
+    }
+
+    /*
+     * Rewrite an archive's headers to remove dynamic timestamps.
+     */
+    status_t rewrite(const char* zipFileName);
+
+private:
+    /* these are private and not defined */
+    ZipFile(const ZipFile& src);
+    ZipFile& operator=(const ZipFile& src);
+
+    class EndOfCentralDir {
+    public:
+        EndOfCentralDir(void) : mTotalNumEntries(0), mCentralDirOffset(0) {}
+
+        status_t readBuf(const uint8_t* buf, int len);
+
+        uint16_t mTotalNumEntries;
+        uint32_t mCentralDirOffset;      // offset from first disk
+
+        enum {
+            kSignature      = 0x06054b50,
+            kEOCDLen        = 22,       // EndOfCentralDir len, excl. comment
+
+            kMaxCommentLen  = 65535,    // longest possible in ushort
+            kMaxEOCDSearch  = kMaxCommentLen + EndOfCentralDir::kEOCDLen,
+
+        };
+    };
+
+    /* read all entries in the central dir */
+    status_t rewriteCentralDir(void);
+
+    /*
+     * We use stdio FILE*, which gives us buffering but makes dealing
+     * with files >2GB awkward.  Until we support Zip64, we're fine.
+     */
+    FILE*           mZipFp;             // Zip file pointer
+
+    /* one of these per file */
+    EndOfCentralDir mEOCD;
+};
+
+}; // namespace android
+
+#endif // __LIBS_ZIPFILE_H
diff --git a/tools/ziptime/ZipTime.cpp b/tools/ziptime/ZipTime.cpp
new file mode 100644
index 000000000..99d32310b
--- /dev/null
+++ b/tools/ziptime/ZipTime.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Zip tool to remove dynamic timestamps
+ */
+#include "ZipFile.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+using namespace android;
+
+static void usage(void)
+{
+    fprintf(stderr, "Zip timestamp utility\n");
+    fprintf(stderr, "Copyright (C) 2015 The Android Open Source Project\n\n");
+    fprintf(stderr, "Usage: ziptime file.zip\n");
+}
+
+int main(int argc, char* const argv[])
+{
+    if (argc != 2) {
+        usage();
+        return 2;
+    }
+
+    ZipFile zip;
+    if (zip.rewrite(argv[1]) != 0) {
+        fprintf(stderr, "Unable to rewrite '%s' as zip archive\n", argv[1]);
+        return 1;
+    }
+
+    return 0;
+}