Updated example to androidX

example/android/app/build.gradle

@@ -1,8 +1,8 @@
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,12 +11,27 @@ 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"
 
 android {
     compileSdkVersion 28
-
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
     lintOptions {
         disable 'InvalidPackage'
     }
@@ -26,9 +41,9 @@ android {
         applicationId "me.jpryan.example"
         minSdkVersion 16
         targetSdkVersion 28
-        versionCode 1
-        versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -45,7 +60,8 @@ flutter {
 }
 
 dependencies {
-    androidTestCompile 'com.android.support:support-annotations:25.4.0'
-    androidTestCompile 'com.android.support.test:runner:0.5'
-    androidTestCompile 'com.android.support.test:rules:0.5'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 }

example/android/app/src/main/kotlin/me/jpryan/example/MainActivity.kt

@@ -1,12 +1,12 @@
 package me.jpryan.example
 
-import android.os.Bundle
-import io.flutter.app.FlutterActivity
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugins.GeneratedPluginRegistrant
 
 class MainActivity: FlutterActivity() {
-  override fun onCreate(savedInstanceState: Bundle?) {
-    super.onCreate(savedInstanceState)
-    GeneratedPluginRegistrant.registerWith(this)
-  }
+    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine);
+    }
 }

example/android/build.gradle

@@ -1,22 +1,20 @@
 buildscript {
+    ext.kotlin_version = '1.3.50'
     repositories {
+        google()
         jcenter()
-        maven {
-            url "https://maven.google.com"
-        }
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
-        maven {
-            url "https://maven.google.com"
-        }
     }
 }
 

example/android/gradle.properties

@@ -1,2 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
 android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true

example/android/settings.gradle

@@ -5,7 +5,7 @@ def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
 def plugins = new Properties()
 def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
 if (pluginsFile.exists()) {
-    pluginsFile.withInputStream { stream -> plugins.load(stream) }
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
 }
 
 plugins.each { name, path ->