change parse to tryParse in image width. Fixes #118

Author: Sub6Resources

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [0.11.0] - September 6, 2019:
+
+* Make it so `width=100%` doesn't throw error. Fixes [#118](https://github.com/Sub6Resources/flutter_html/issues/118).
+
 ## [0.10.4] - June 22, 2019:
 
 * Add support for `customTextStyle` to block and specialty HTML elements.

README.md

@@ -12,7 +12,7 @@ A Flutter widget for rendering static html tags as Flutter widgets. (Will render
 Add the following to your `pubspec.yaml` file:
 
     dependencies:
-      flutter_html: ^0.10.4
+      flutter_html: ^0.11.0
 
 ## Currently Supported HTML Tags:
 `a`, `abbr`, `acronym`, `address`, `article`, `aside`, `b`, `bdi`, `bdo`, `big`, `blockquote`, `body`, `br`, `caption`, `cite`, `code`, `data`, `dd`, `del`, `dfn`, `div`, `dl`, `dt`, `em`, `figcaption`, `figure`, `footer`, `h1`, `h2`, `h3`, `h4`, `h5`, `h6`, `header`, `hr`, `i`, `img`, `ins`, `kbd`, `li`, `main`, `mark`, `nav`, `noscript`, `ol`, `p`, `pre`, `q`, `rp`, `rt`, `ruby`, `s`, `samp`, `section`, `small`, `span`, `strike`, `strong`, `sub`, `sup`, `table`, `tbody`, `td`, `template`, `tfoot`, `th`, `thead`, `time`, `tr`, `tt`, `u`, `ul`, `var`

lib/rich_text_parser.dart

@@ -732,6 +732,18 @@ class HtmlRichTextParser extends StatelessWidget {
           case "img":
             if (showImages) {
               if (node.attributes['src'] != null) {
+
+                final width = imageProperties?.width ??
+                    ((node.attributes['width'] != null)
+                        ? double.tryParse(node.attributes['width'])
+                        : null
+                    );
+                final height = imageProperties?.height ??
+                    ((node.attributes['height'] != null)
+                        ? double.tryParse(node.attributes['height'])
+                        : null
+                    );
+
                 if (node.attributes['src'].startsWith("data:image") &&
                     node.attributes['src'].contains("base64,")) {
                   precacheImage(
@@ -747,14 +759,8 @@ class HtmlRichTextParser extends StatelessWidget {
                     child: Image.memory(
                       base64.decode(
                           node.attributes['src'].split("base64,")[1].trim()),
-                      width: imageProperties?.width ??
-                          ((node.attributes['width'] != null)
-                              ? double.tryParse(node.attributes['width'])
-                              : null),
-                      height: imageProperties?.height ??
-                          ((node.attributes['height'] != null)
-                              ? double.tryParse(node.attributes['height'])
-                              : null),
+                      width: width,
+                      height: height,
                       scale: imageProperties?.scale ?? 1.0,
                       matchTextDirection:
                           imageProperties?.matchTextDirection ?? false,
@@ -787,14 +793,8 @@ class HtmlRichTextParser extends StatelessWidget {
                   parseContext.rootWidgetList.add(GestureDetector(
                     child: Image.network(
                       node.attributes['src'],
-                      width: imageProperties?.width ??
-                          ((node.attributes['width'] != null)
-                              ? double.parse(node.attributes['width'])
-                              : null),
-                      height: imageProperties?.height ??
-                          ((node.attributes['height'] != null)
-                              ? double.parse(node.attributes['height'])
-                              : null),
+                      width: width,
+                      height: height,
                       scale: imageProperties?.scale ?? 1.0,
                       matchTextDirection:
                           imageProperties?.matchTextDirection ?? false,

pubspec.lock

@@ -1,13 +1,13 @@
 # Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
+# See https://dart.dev/tools/pub/glossary#lockfile
 packages:
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.2.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -80,14 +80,14 @@ packages:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.0"
+    version: "1.7.0"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -134,7 +134,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.4"
+    version: "0.2.5"
   typed_data:
     dependency: transitive
     description:
@@ -150,5 +150,5 @@ packages:
     source: hosted
     version: "2.0.8"
 sdks:
-  dart: ">=2.2.0 <3.0.0"
+  dart: ">=2.2.2 <3.0.0"
   flutter: ">=0.5.0"

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_html
 description: A Flutter widget for rendering static html tags as Flutter widgets. (Will render over 70 different html tags!)
-version: 0.10.4
+version: 0.11.0
 author: Matthew Whitaker <sub6resources@gmail.com>
 homepage: https://github.com/Sub6Resources/flutter_html