Update to android x

.gitignore

@@ -7,3 +7,7 @@ build/
 ios/.generated/
 packages
 pubspec.lock
+.dart_tool/package_config.json
+example/.flutter-plugins-dependencies
+example/.dart_tool/package_config.json
+example/ios/Flutter/flutter_export_environment.sh

android/build.gradle

@@ -3,29 +3,30 @@ version '1.0-SNAPSHOT'
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath 'com.android.tools.build:gradle:3.5.0'
     }
 }
 
-allprojects {
+rootProject.allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 28
 
     defaultConfig {
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-        minSdkVersion = 14
+        minSdkVersion 16
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     lintOptions {
         disable 'InvalidPackage'

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)
     }
 }
 
@@ -11,24 +11,34 @@ 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 from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
     }
 
     defaultConfig {
-        minSdkVersion 16
-
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "bz.rxla.flutter.speechrecognitionexample"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -45,8 +55,7 @@ flutter {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
-}
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+}

example/android/gradle.properties

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

example/lib/main.dart

@@ -152,7 +152,7 @@ class _MyAppState extends State<MyApp> {
 
   void onRecognitionResult(String text) => setState(() => transcription = text);
 
-  void onRecognitionComplete() => setState(() => _isListening = false);
+  void onRecognitionComplete(String s) => setState(() => _isListening = false);
 
   void errorHandler() => activateSpeechRecognizer();
 }