[android] migrated to the new gradle

android/app/build.gradle

@@ -1,3 +1,11 @@
+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 localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -6,11 +14,6 @@ if (localPropertiesFile.exists()) {
     }
 }
 
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw 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'
@@ -27,12 +30,6 @@ if (keystorePropertiesFile.exists()) {
     keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'com.google.gms.google-services'
-apply plugin: 'com.google.firebase.crashlytics'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
     compileSdkVersion 34
     ndkVersion flutter.ndkVersion
@@ -43,7 +40,7 @@ android {
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = JavaVersion.VERSION_1_8
     }
 
     sourceSets {
@@ -108,7 +105,6 @@ flutter {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "com.android.billingclient:billing-ktx:6.0.0"
     implementation "com.google.firebase:firebase-analytics:17.4.1"
 }

android/build.gradle

@@ -1,18 +1,3 @@
-buildscript {
-    ext.kotlin_version = '1.8.21'
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.2'
-        classpath 'com.google.gms:google-services:4.3.15'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.8.1'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
 allprojects {
     repositories {
         google()

android/settings.gradle

@@ -1,11 +1,27 @@
-include ':app'
+pluginManagement {
-
+    def flutterSdkPath = {
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
         def properties = new Properties()
-
+        file("local.properties").withInputStream { properties.load(it) }
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
-
         def flutterSdkPath = properties.getProperty("flutter.sdk")
         assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+        return flutterSdkPath
+    }()
+
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "7.4.2" apply false
+    id "org.jetbrains.kotlin.android" version "1.8.21" apply false
+    id "com.google.gms.google-services" version "4.4.0" apply false
+    id "com.google.firebase.crashlytics" version "2.9.9" apply false
+}
+
+include ":app"