Downgrade AGP to 8.3.0

With 8.8.8, ./gradlew just exits 1 with no log.
I run `flutter create` and saw that it uses AGP 8.3.0.
I switched to 8.3.0 and it worked.

Author: louischan-oursky

example/android/app/build.gradle

@@ -1,57 +1,36 @@
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
-if (localPropertiesFile.exists()) {
-    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')
-if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
+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 flutterVersionName = localProperties.getProperty('flutter.versionName')
-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 'com.authgear.exampleapp.flutter'
-
-    compileSdkVersion flutter.compileSdkVersion
+    namespace = "com.authgear.exampleapp.flutter"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = JavaVersion.VERSION_1_8
     }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.authgear.exampleapp.flutter"
+        applicationId = "com.authgear.exampleapp.flutter"
         // minSdkVersion flutter.minSdkVersion
         // 21 is required to use androidx.security
-        minSdkVersion 21
-        targetSdkVersion flutter.targetSdkVersion
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
+        minSdk = 21
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
     }
 
     signingConfigs {
@@ -75,6 +54,5 @@ flutter {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "com.tencent.mm.opensdk:wechat-sdk-android:6.8.0"
 }

example/android/build.gradle

@@ -1,19 +1,3 @@
-buildscript {
-    // Flutter 3.24.2 requires kotlin to be 1.7.x
-    // As of 2024-09-06, the latest kotlin 1.7.x is 1.7.21
-    // See https://kotlinlang.org/docs/releases.html#release-details
-    ext.kotlin_version = '1.7.21'
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:8.8.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
 allprojects {
     repositories {
         google()
@@ -22,7 +6,6 @@ allprojects {
 }
 
 rootProject.buildDir = '../build'
-
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }

example/android/gradle.properties

@@ -1,3 +1,3 @@
-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=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-8.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip

example/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 "8.1.0" apply false
+    id "org.jetbrains.kotlin.android" version "1.8.22" apply false
+}
+
+include ":app"