Add Android 16KB Page Size Support for Google Play 2025 Requirement

android/build.gradle

@@ -11,7 +11,7 @@ buildscript {
 
     dependencies {
         // The Android Gradle Plugin knows how to build native code with the NDK.
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.6.1'
     }
 }
 
@@ -27,12 +27,13 @@ apply plugin: 'com.android.library'
 android {
     // Bumping the plugin compileSdkVersion requires all clients of this plugin
     // to bump the version in their app.
-    compileSdkVersion 31
+    compileSdkVersion 36
     namespace 'org.tensorflow.tflite_flutter'
 
     // Bumping the plugin ndkVersion requires all clients of this plugin to bump
     // the version in their app and to download a newer version of the NDK.
-    // ndkVersion "23.1.7779620"
+    // Use NDK r27 or higher for 16KB page size support
+    // ndkVersion "28.0.12433566"
 
     // Invoke the shared CMake build with the Android Gradle Plugin.
     externalNativeBuild {
@@ -56,13 +57,14 @@ android {
 
     defaultConfig {
         minSdkVersion 19
+
     }
 }
 
 
 dependencies {
-    def tflite_version = "2.11.0"
-    
+    def tflite_version = "2.12.0"
+
     implementation("org.tensorflow:tensorflow-lite:${tflite_version}")
     implementation("org.tensorflow:tensorflow-lite-gpu:${tflite_version}")
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0-milestone-1-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

example/audio_classification/android/app/build.gradle

@@ -1,3 +1,9 @@
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -21,10 +27,6 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
     namespace "org.tensorflow.audio_classification.audio_classification"
     compileSdkVersion flutter.compileSdkVersion
@@ -49,10 +51,11 @@ android {
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
 //        minSdkVersion flutter.minSdkVersion
-        minSdkVersion 23
+        minSdkVersion flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+
     }
 
     buildTypes {

example/audio_classification/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.5.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/audio_classification/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip

example/audio_classification/android/settings.gradle

@@ -1,11 +1,25 @@
-include ':app'
+pluginManagement {
+    def flutterSdkPath = {
+        def properties = new Properties()
+        file("local.properties").withInputStream { properties.load(it) }
+        def flutterSdkPath = properties.getProperty("flutter.sdk")
+        assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+        return flutterSdkPath
+    }()
 
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-def properties = new Properties()
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
 
-def flutterSdkPath = properties.getProperty("flutter.sdk")
-assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "8.6.1" apply false
+    id "org.jetbrains.kotlin.android" version "1.8.10" apply false
+}
+
+include ":app"

example/bertqa/android/app/build.gradle

@@ -49,6 +49,7 @@ android {
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+
     }
 
     buildTypes {

example/bertqa/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.5.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/bertqa/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip

example/bertqa/android/settings.gradle

@@ -5,16 +5,21 @@ pluginManagement {
         def flutterSdkPath = properties.getProperty("flutter.sdk")
         assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
         return flutterSdkPath
-    }
-    settings.ext.flutterSdkPath = flutterSdkPath()
+    }()
 
-    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
-    plugins {
-        id "dev.flutter.flutter-gradle-plugin" version "1.0.0" apply false
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
     }
 }
 
-include ":app"
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "8.6.1" apply false
+    id "org.jetbrains.kotlin.android" version "1.8.10" apply false
+}
 
-apply from: "${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+include ":app"

example/digit_classification/android/app/build.gradle

@@ -49,6 +49,7 @@ android {
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+
     }
 
     buildTypes {

example/digit_classification/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.5.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/digit_classification/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip

example/digit_classification/android/settings.gradle

@@ -5,16 +5,21 @@ pluginManagement {
         def flutterSdkPath = properties.getProperty("flutter.sdk")
         assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
         return flutterSdkPath
-    }
-    settings.ext.flutterSdkPath = flutterSdkPath()
+    }()
 
-    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
-    plugins {
-        id "dev.flutter.flutter-gradle-plugin" version "1.0.0" apply false
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
     }
 }
 
-include ":app"
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "8.6.1" apply false
+    id "org.jetbrains.kotlin.android" version "1.8.10" apply false
+}
 
-apply from: "${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+include ":app"

example/gesture_classification/android/app/build.gradle

@@ -45,10 +45,11 @@ android {
         applicationId "org.tensorflow.gesture_classification"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion 21
+        minSdkVersion flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+
     }
 
     buildTypes {

example/gesture_classification/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.5.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/gesture_classification/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip

example/gesture_classification/android/settings.gradle

@@ -5,16 +5,21 @@ pluginManagement {
         def flutterSdkPath = properties.getProperty("flutter.sdk")
         assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
         return flutterSdkPath
-    }
-    settings.ext.flutterSdkPath = flutterSdkPath()
+    }()
 
-    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
-    plugins {
-        id "dev.flutter.flutter-gradle-plugin" version "1.0.0" apply false
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
     }
 }
 
-include ":app"
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "8.6.1" apply false
+    id "org.jetbrains.kotlin.android" version "1.8.10" apply false
+}
 
-apply from: "${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+include ":app"

example/image_classification_mobilenet/android/app/build.gradle

@@ -1,3 +1,9 @@
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -21,10 +27,6 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
     namespace "org.tensorflow.image_classification_mobilenet"
     compileSdkVersion flutter.compileSdkVersion
@@ -48,10 +50,11 @@ android {
         applicationId "org.tensorflow.image_classification_mobilenet"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion 21
+        minSdkVersion flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+
     }
 
     buildTypes {
@@ -61,6 +64,12 @@ android {
             signingConfig signingConfigs.debug
         }
     }
+
+    // Add 16KB page size support via packaging options
+    packagingOptions {
+        pickFirst '**/libc++_shared.so'
+        pickFirst '**/libjsc.so'
+    }
 }
 
 flutter {

example/image_classification_mobilenet/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.6.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/image_classification_mobilenet/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip