Update android CompileSdk and Java version.

Author: timbotimbo

CHANGELOG.md

@@ -4,6 +4,7 @@
 * [Android] Add namespace for Android gradle plugin (AGP) 8 compatibility.
 * [Android] Fix kotlin compilation error with Flutter 3.24 and newer. [#973](https://github.com/juicycleff/flutter-unity-view-widget/issues/973)
 * [Android] Update documentation for new `.gradle.kts` files.
+* [Android] Update some ancient build.gradle values to match Unity 2022.3. Like CompileSdk to 34 and Java to 11.
 * [iOS] Add an empty privacy manifest.
 * [Web] Don't crash on unknown event data from Unity.
 * Disable windows support in `pubspec.yaml` to avoid confusion. Windows support was never completed.

android/build.gradle

@@ -1,15 +1,15 @@
 group 'com.xraph.plugin.flutter_unity_widget'
-version '4.0-SNAPSHOT'
+version '2022.2.2-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.6.20'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.4.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -33,7 +33,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 34
 
     // backwards compatible for old gradle versions without namespace
     if (project.android.hasProperty("namespace")) {
@@ -51,12 +51,12 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
 }
 

example/android/app/build.gradle

@@ -12,13 +12,13 @@ android {
     // ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
 
     kotlinOptions {
         // if you change this value, also change it in android/build.gradle subprojects{}
-        jvmTarget = JavaVersion.VERSION_1_8
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
 
     defaultConfig {

example/android/build.gradle

@@ -34,7 +34,7 @@ subprojects {
                 }
                 project.android.kotlinOptions {
                     // if you change this value, also change it in android/app/build.gradle
-                    jvmTarget = JavaVersion.VERSION_1_8
+                    jvmTarget = JavaVersion.VERSION_11.toString()
                 }
             }
         }