Create android & web plugins (#15)

* create android & web plugins

* apply `flutter format .`

Author: hiroshihorie

android/.gitignore

@@ -0,0 +1,8 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

android/build.gradle

@@ -0,0 +1,50 @@
+group 'io.livekit.plugin'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    ext.kotlin_version = '1.3.50'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 30
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    defaultConfig {
+        minSdkVersion 16
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

android/gradle.properties

@@ -0,0 +1,3 @@
+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip

android/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'livekit'

android/src/main/AndroidManifest.xml

@@ -0,0 +1,3 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="io.livekit.plugin">
+</manifest>

android/src/main/kotlin/io/livekit/plugin/LiveKitPlugin.kt

@@ -0,0 +1,32 @@
+package io.livekit.plugin
+
+import androidx.annotation.NonNull
+
+import io.flutter.embedding.engine.plugins.FlutterPlugin
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler
+import io.flutter.plugin.common.MethodChannel.Result
+
+/** LiveKitPlugin */
+class LiveKitPlugin: FlutterPlugin, MethodCallHandler {
+  /// The MethodChannel that will the communication between Flutter and native Android
+  ///
+  /// This local reference serves to register the plugin with the Flutter Engine and unregister it
+  /// when the Flutter Engine is detached from the Activity
+  private lateinit var channel : MethodChannel
+
+  override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
+    channel = MethodChannel(flutterPluginBinding.binaryMessenger, "livekit_client")
+    channel.setMethodCallHandler(this)
+  }
+
+  override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
+    // no-op for now
+    result.notImplemented()
+  }
+
+  override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
+    channel.setMethodCallHandler(null)
+  }
+}

example/lib/exts.dart

@@ -24,7 +24,8 @@ extension LKExampleExt on BuildContext {
         context: this,
         builder: (ctx) => AlertDialog(
           title: const Text('UnPublish'),
-          content: const Text('Would you like to un-publish your Camera & Mic ?'),
+          content:
+              const Text('Would you like to un-publish your Camera & Mic ?'),
           actions: [
             TextButton(
               onPressed: () => Navigator.pop(ctx, false),
@@ -92,7 +93,8 @@ extension LKExampleExt on BuildContext {
         context: this,
         builder: (ctx) => AlertDialog(
           title: const Text('Send data'),
-          content: const Text('This will send a sample data to all participants in the room'),
+          content: const Text(
+              'This will send a sample data to all participants in the room'),
           actions: [
             TextButton(
               onPressed: () => Navigator.pop(ctx, false),

example/lib/pages/connect.dart

@@ -65,7 +65,8 @@ class _ConnectPageState extends State<ConnectPage> {
       // Save for next time
       await _writePrefs();
 
-      print('Connecting with url: ${_uriCtrl.text}, token: ${_tokenCtrl.text}...');
+      print(
+          'Connecting with url: ${_uriCtrl.text}, token: ${_tokenCtrl.text}...');
 
       final room = await LiveKitClient.connect(
         _uriCtrl.text,
@@ -113,7 +114,8 @@ class _ConnectPageState extends State<ConnectPage> {
             decoration: BoxDecoration(
               color: Theme.of(context).cardColor,
               borderRadius: BorderRadius.circular(8),
-              border: Border.all(color: Theme.of(context).colorScheme.secondary),
+              border:
+                  Border.all(color: Theme.of(context).colorScheme.secondary),
             ),
             constraints: const BoxConstraints(
               maxWidth: 320,

example/lib/pages/room.dart

@@ -50,7 +50,8 @@ class _RoomPageState extends State<RoomPage> {
 
   void _setUpListeners() => _listener
     ..on<RoomDisconnectedEvent>((_) async {
-      WidgetsBinding.instance?.addPostFrameCallback((timeStamp) => Navigator.pop(context));
+      WidgetsBinding.instance
+          ?.addPostFrameCallback((timeStamp) => Navigator.pop(context));
     })
     ..on<DataReceivedEvent>((event) {
       String decoded = 'Failed to decode';
@@ -120,7 +121,8 @@ class _RoomPageState extends State<RoomPage> {
       }
 
       // joinedAt
-      return a.joinedAt.millisecondsSinceEpoch - b.joinedAt.millisecondsSinceEpoch;
+      return a.joinedAt.millisecondsSinceEpoch -
+          b.joinedAt.millisecondsSinceEpoch;
     });
 
     if (participants.length > 1) {
@@ -138,8 +140,9 @@ class _RoomPageState extends State<RoomPage> {
         body: Column(
           children: [
             Expanded(
-                child:
-                    participants.isNotEmpty ? ParticipantWidget(participants.first) : Container()),
+                child: participants.isNotEmpty
+                    ? ParticipantWidget(participants.first)
+                    : Container()),
             SizedBox(
               height: 100,
               child: ListView.builder(
@@ -149,7 +152,8 @@ class _RoomPageState extends State<RoomPage> {
                   width: 100,
                   height: 100,
                   padding: const EdgeInsets.all(2),
-                  child: ParticipantWidget(participants[index + 1], quality: VideoQuality.LOW),
+                  child: ParticipantWidget(participants[index + 1],
+                      quality: VideoQuality.LOW),
                 ),
               ),
             ),