bump Gradle to 8.12, AGP to 8.8, Kotlin to 2.1

Author: bartekpacia

android/build.gradle

@@ -21,20 +21,20 @@ repositories {
 }
 
 apply plugin: "com.android.library"
-apply plugin: "kotlin-android"
+apply plugin: "org.jetbrains.kotlin.android"
 apply plugin: "org.jlleitschuh.gradle.ktlint"
 
 android {
     namespace = "vn.hunghd.flutterdownloader"
     compileSdk = 35
 
     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 = "11"
         // allWarningsAsErrors = true // TODO(bartekpacia): Re-enable
     }
 

example/android/app/build.gradle

@@ -4,44 +4,26 @@ plugins {
     id "dev.flutter.flutter-gradle-plugin"
 }
 
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file("local.properties")
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader("UTF-8") { reader ->
-        localProperties.load(reader)
-    }
-}
-
-def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
-if (flutterVersionCode == null) {
-    flutterVersionCode = "1"
-}
-
-def flutterVersionName = localProperties.getProperty("flutter.versionName")
-if (flutterVersionName == null) {
-    flutterVersionName = "1.0"
-}
-
 android {
     namespace = "vn.hunghd.example"
     compileSdk = 35
     ndkVersion = flutter.ndkVersion
 
     defaultConfig {
         applicationId "vn.hunghd.example"
-        minSdk = 21
-        targetSdk = 35
-        versionCode = flutterVersionCode.toInteger()
-        versionName = flutterVersionName
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
     }
 
     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 = "11"
     }
 
     buildTypes {
@@ -53,5 +35,5 @@ android {
 }
 
 flutter {
-    source "../.."
+    source = "../.."
 }

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

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

example/android/settings.gradle

@@ -18,8 +18,8 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader")
-    id("com.android.application") version ('8.7.2') apply false
-    id("org.jetbrains.kotlin.android") version ("1.9.23") apply false
+    id("com.android.application") version ("8.8.0") apply false
+    id("org.jetbrains.kotlin.android") version ("2.1.0") apply false
 }
 
 include(":app")