Add Full Solo Imagen Editing Sample

Imagen Editing/app/.gitignore

@@ -0,0 +1,2 @@
+/build
+google-services.json

Imagen Editing/app/build.gradle.kts

@@ -0,0 +1,93 @@
+/*
+ * Copyright 2025 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
+ *
+ *     https://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.
+ */
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.jetbrains.kotlin.android)
+    alias(libs.plugins.jetbrains.kotlin.serialization)
+    alias(libs.plugins.google.gms.google.services)
+    alias(libs.plugins.hilt.plugin)
+    alias(libs.plugins.ksp)
+    alias(libs.plugins.compose.compiler)
+}
+
+android {
+    namespace = "com.android.ai.catalog"
+    compileSdk = 36
+
+    defaultConfig {
+        applicationId = "com.android.ai.catalog"
+        minSdk = 26
+        targetSdk = 36
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro",
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(libs.androidx.navigation.compose)
+    implementation(libs.kotlinx.serialization.json)
+    implementation(libs.androidx.navigation.runtime.ktx)
+    implementation(libs.hilt.android)
+    implementation(libs.hilt.navigation.compose)
+    implementation(platform(libs.firebase.bom))
+    implementation(libs.firebase.ai)
+    ksp(libs.hilt.compiler)
+
+    implementation(project(":ui-component"))
+    implementation(project(":samples:imagen-editing"))
+
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+}

Imagen Editing/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

Imagen Editing/app/src/main/AndroidManifest.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <application
+        android:allowBackup="true"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AISampleCatalog"
+        tools:targetApi="31"
+        android:name=".CatalogApplication"
+        android:enableOnBackInvokedCallback="true"
+        >
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:windowSoftInputMode="adjustResize"
+            android:theme="@style/Theme.AISampleCatalog">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>
+    </application>
+
+</manifest>

Imagen Editing/app/src/main/java/com/android/ai/catalog/CatalogApplication.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2025 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
+ *
+ *     https://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.ai.catalog
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class CatalogApplication : Application()

Imagen Editing/app/src/main/java/com/android/ai/catalog/MainActivity.kt

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2025 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
+ *
+ *     https://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.ai.catalog
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.ui.Modifier
+import com.android.ai.catalog.ui.CatalogApp
+import com.android.ai.theme.AISampleCatalogTheme
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            AISampleCatalogTheme {
+                CatalogApp(modifier = Modifier.fillMaxSize())
+            }
+        }
+    }
+}

Imagen Editing/app/src/main/java/com/android/ai/catalog/domain/SampleCatalog.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2025 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
+ *
+ *     https://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.ai.catalog.domain
+
+import android.Manifest
+import androidx.annotation.DrawableRes
+import androidx.annotation.RequiresPermission
+import androidx.annotation.StringRes
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import com.android.ai.catalog.R
+import com.android.ai.samples.imagenediting.ui.ImagenEditingScreen
+import com.android.ai.theme.extendedColorScheme
+
+@RequiresPermission(Manifest.permission.RECORD_AUDIO)
+val sampleCatalog = listOf(
+    SampleCatalogItem(
+        title = R.string.imagen_editing_sample_title,
+        description = R.string.imagen_editing_sample_description,
+        route = "ImagenMaskEditing",
+        sampleEntryScreen = { ImagenEditingScreen() },
+        tags = listOf(SampleTags.IMAGEN, SampleTags.FIREBASE),
+        needsFirebase = true,
+        keyArt = R.drawable.img_keyart_imagen,
+    ),
+    // To create a new sample entry, add a new SampleCatalogItem here.
+)
+
+data class SampleCatalogItem(
+    @StringRes val title: Int,
+    @StringRes val description: Int,
+    val route: String,
+    val sampleEntryScreen: @Composable () -> Unit,
+    val tags: List<SampleTags> = emptyList(),
+    val needsFirebase: Boolean = false,
+    val isFeatured: Boolean = false,
+    @DrawableRes val keyArt: Int? = null,
+)
+
+enum class SampleTags(
+    val label: String,
+    val backgroundColor: Color,
+) {
+    FIREBASE("Firebase", extendedColorScheme.firebase),
+    GEMINI_FLASH("Gemini Flash", extendedColorScheme.geminiProFlash),
+    IMAGEN("Imagen", extendedColorScheme.imagen),
+}