Migrate to new gradle build version

android/app/build.gradle

@@ -1,40 +1,23 @@
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
-        localProperties.load(reader)
-    }
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    id "dev.flutter.flutter-gradle-plugin"
+    id "com.google.gms.google-services"
+    id "com.google.firebase.crashlytics"
 }
 
-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'
-}
-
-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"
-apply plugin: 'com.google.gms.google-services'
-
-def keystoreProperties=new Properties()
-def keystorePropertiesFile=rootProject.file('key.properties')
-if(keystorePropertiesFile.exists()){
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
     keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 }
 
 android {
-    compileSdkVersion 33
-    ndkVersion "25.1.8937393"
+    namespace = "hu.app_dev.terepi_seged"
+    compileSdk 34
+    // ndkVersion "25.1.8937393"
+    // ndkVersion flutter.ndkVersion
+    ndkVersion "27.0.12077973"
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -42,11 +25,7 @@ android {
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
-    }
-
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
+        jvmTarget = JavaVersion.VERSION_1_8 
     }
 
     defaultConfig {
@@ -55,10 +34,10 @@ android {
         // 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 23
-        targetSdkVersion 33
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
-        multiDexEnabled true
+        targetSdkVersion 34
+        versionCode flutter.versionCode
+        versionName flutter.versionName
+        // multiDexEnabled true
     }
 
     signingConfigs {
@@ -83,8 +62,7 @@ flutter {
     source '../..'
 }
 
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation platform('com.google.firebase:firebase-bom:31.3.0')
-    implementation 'com.google.firebase:firebase-analytics-ktx'
-}
+// dependencies {
+//     implementation platform('com.google.firebase:firebase-bom:31.3.0')
+//     implementation 'com.google.firebase:firebase-analytics-ktx'
+// }