Android project with unity configured for the latest flutter version (3.22.2)

example/android/.gitignore

@@ -9,3 +9,5 @@ GeneratedPluginRegistrant.java
 # Remember to never publicly share your keystore.
 # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
 key.properties
+**/*.keystore
+**/*.jks

example/android/app/build.gradle

@@ -1,67 +1,62 @@
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
 def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
+def localPropertiesFile = rootProject.file("local.properties")
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
+    localPropertiesFile.withReader("UTF-8") { reader ->
         localProperties.load(reader)
     }
 }
 
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
-def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
 if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
+    flutterVersionCode = "1"
 }
 
-def flutterVersionName = localProperties.getProperty('flutter.versionName')
+def flutterVersionName = localProperties.getProperty("flutter.versionName")
 if (flutterVersionName == null) {
-    flutterVersionName = '1.0'
+    flutterVersionName = "1.0"
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
-    compileSdkVersion 34
-
-    namespace 'com.xraph.plugin.flutter_unity_widget_example'
-
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
-    }
+    namespace = "com.xraph.plugin.flutter_unity_widget_example"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
 
-    lintOptions {
-        disable 'InvalidPackage'
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.xraph.plugin.flutter_unity_widget_example"
-        minSdkVersion 28  // >= unity minSdk in player settings
-        targetSdkVersion 34
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
+        applicationId = "com.xraph.plugin.flutter_unity_widget_example"
+        // 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.
+        minSdk = 24
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutterVersionCode.toInteger()
+        versionName = flutterVersionName
     }
 
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig = signingConfigs.debug
         }
     }
 }
 
 flutter {
-    source '../..'
+    source = "../.."
 }
 
 dependencies {
     implementation project(':unityLibrary')
-    implementation project(':flutter_unity_widget')
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }

example/android/app/src/debug/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.xraph.plugin.flutter_unity_widget_example">
-    <!-- Flutter needs it to communicate with the running application
+    package="com.xraph.plugin.flutter_unity_widget_example">    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>

example/android/app/src/main/AndroidManifest.xml

@@ -39,17 +39,6 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <activity
-            android:name="com.xraph.plugin.flutter_unity_widget.OverrideUnityActivity"
-            android:theme="@style/UnityThemeSelector"
-            android:screenOrientation="fullSensor"
-            android:launchMode="singleTask"
-            android:configChanges="mcc|mnc|locale|touchscreen|keyboard|keyboardHidden|navigation|orientation|screenLayout|uiMode|screenSize|smallestScreenSize|fontScale|layoutDirection|density"
-            android:hardwareAccelerated="false"
-            android:process=":Unity"
-            >
-            <meta-data android:name="com.xraph.plugins.flutter_unity_widget.OverrideUnityActivity" android:value="true" />
-        </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

example/android/app/src/main/kotlin/com/example/swayam_ar_vr/MainActivity.kt

@@ -0,0 +1,5 @@
+package com.xraph.plugin.flutter_unity_widget_example
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity()

example/android/app/src/main/res/drawable-v21/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/android/app/src/main/res/values-night/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

example/android/app/src/main/res/values/styles.xml

@@ -1,18 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- Theme applied to the Android Window while the process is starting -->
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
     <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
+             the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
          Flutter UI initializes, as well as behind your Flutter UI while its
          running.
-         
+
          This Theme is only used starting with V2 of Flutter's Android embedding. -->
     <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
-        <item name="android:windowBackground">@android:color/white</item>
+        <item name="android:windowBackground">?android:colorBackground</item>
     </style>
 </resources>

example/android/app/src/profile/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.xraph.plugin.flutter_unity_widget_example">
-    <!-- Flutter needs it to communicate with the running application
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>

example/android/build.gradle

@@ -1,17 +1,3 @@
-buildscript {
-    ext.kotlin_version = '1.8.22'
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        // Unity recommended gradle version https://docs.unity3d.com/Manual/android-gradle-overview.html (higher versions do often work)
-        classpath 'com.android.tools.build:gradle:7.1.2'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
 
 allprojects {
     repositories {
@@ -24,14 +10,14 @@ allprojects {
     }
 }
 
-rootProject.buildDir = '../build'
+rootProject.buildDir = "../build"
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
 subprojects {
-    project.evaluationDependsOn(':app')
+    project.evaluationDependsOn(":app")
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

example/android/gradle.properties

@@ -1,4 +1,3 @@
-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx4G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
-android.enableR8=true

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

@@ -1,6 +1,5 @@
-#Fri Jun 23 08:50:38 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-all.zip

example/android/settings.gradle

@@ -1,14 +1,28 @@
-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 "7.3.0" apply false
+    id "org.jetbrains.kotlin.android" version "1.7.10" apply false
+}
+
+include ":app"
 
 
 include ":unityLibrary"

example/pubspec.yaml

@@ -9,12 +9,12 @@ environment:
   sdk: ">=2.12.0 <4.0.0"
 
 dependencies:
-  cupertino_icons: ^1.0.0
+  cupertino_icons: ^1.0.6
   flutter:
     sdk: flutter
   flutter_unity_widget:
     path: ../
-  pointer_interceptor: ^0.9.3+2
+  pointer_interceptor: ^0.10.1+1
 
 dev_dependencies:
   flutter_test: