Fix Android build and update dependencies

android/app/build.gradle

@@ -29,16 +29,17 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
+    namespace "com.oggauergemeindetrommler.app"
     compileSdkVersion flutter.compileSdkVersion
     ndkVersion flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {
@@ -50,7 +51,7 @@ android {
         applicationId "com.oggauergemeindetrommler.app"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
-        minSdkVersion 19
+        minSdkVersion 23
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

android/build.gradle

@@ -1,14 +1,14 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.9.22'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.2'
+        classpath 'com.android.tools.build:gradle:8.5.2'
         // START: FlutterFire Configuration
-        classpath 'com.google.gms:google-services:4.3.10'
+        classpath 'com.google.gms:google-services:4.4.1'
         // END: FlutterFire Configuration
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
@@ -24,11 +24,22 @@ allprojects {
 rootProject.buildDir = '../build'
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
+    
+    // Inject namespace into plugins that don't have it (required for AGP 8+)
+    afterEvaluate { project ->
+        if (project.hasProperty('android')) {
+            project.android {
+                if (namespace == null) {
+                    namespace project.group
+                }
+            }
+        }
+    }
 }
 subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

android/gradle.properties

@@ -1,3 +1,5 @@
-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx1536M -Dandroid.prefs.root=C:/Users/nicol/.android
 android.useAndroidX=true
 android.enableJetifier=true
+android.defaults.buildfeatures.buildconfig=true
+org.gradle.java.home=C:/Program Files/Zulu/zulu-20

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-7.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-all.zip