Use platform interface

Author: cbenhagen

packages/video_player/video_player/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.10.3
+
+* Port plugin code to use the federated Platform Interface, instead of a MethodChannel directly.
+
 ## 0.10.2+6
 
 * Remove AndroidX warnings.

packages/video_player/video_player/lib/video_player.dart

@@ -9,10 +9,11 @@ import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
 import 'package:meta/meta.dart';
 
-final MethodChannel _channel = const MethodChannel('flutter.io/videoPlayer')
-  // This will clear all open videos on the platform when a full restart is
-  // performed.
-  ..invokeMethod<void>('init');
+import 'package:video_player_platform_interface/video_player_platform_interface.dart';
+
+// This will clear all open videos on the platform when a full restart is
+// performed.
+final VideoPlayerPlatform _ = VideoPlayerPlatform.instance..init();
 
 class DurationRange {
   DurationRange(this.start, this.end);
@@ -88,7 +89,9 @@ class VideoPlayerValue {
   final Size size;
 
   bool get initialized => duration != null;
+
   bool get hasError => errorDescription != null;
+
   double get aspectRatio => size != null ? size.width / size.height : 1.0;
 
   VideoPlayerValue copyWith({
@@ -216,12 +219,8 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
         dataSourceDescription = <String, dynamic>{'uri': dataSource};
         break;
     }
-    final Map<String, dynamic> response =
-        await _channel.invokeMapMethod<String, dynamic>(
-      'create',
-      dataSourceDescription,
-    );
-    _textureId = response['textureId'];
+    _textureId =
+        await VideoPlayerPlatform.instance.create(dataSourceDescription);
     _creatingCompleter.complete(null);
     final Completer<void> initializingCompleter = Completer<void>();
 
@@ -294,10 +293,7 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
         _isDisposed = true;
         _timer?.cancel();
         await _eventSubscription?.cancel();
-        await _channel.invokeMethod<void>(
-          'dispose',
-          <String, dynamic>{'textureId': _textureId},
-        );
+        await VideoPlayerPlatform.instance.dispose(_textureId);
       }
       _lifeCycleObserver.dispose();
     }
@@ -324,21 +320,15 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
     if (!value.initialized || _isDisposed) {
       return;
     }
-    _channel.invokeMethod<void>(
-      'setLooping',
-      <String, dynamic>{'textureId': _textureId, 'looping': value.isLooping},
-    );
+    VideoPlayerPlatform.instance.setLooping(_textureId, value.isLooping);
   }
 
   Future<void> _applyPlayPause() async {
     if (!value.initialized || _isDisposed) {
       return;
     }
     if (value.isPlaying) {
-      await _channel.invokeMethod<void>(
-        'play',
-        <String, dynamic>{'textureId': _textureId},
-      );
+      VideoPlayerPlatform.instance.play(_textureId);
       _timer = Timer.periodic(
         const Duration(milliseconds: 500),
         (Timer timer) async {
@@ -354,34 +344,23 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
       );
     } else {
       _timer?.cancel();
-      await _channel.invokeMethod<void>(
-        'pause',
-        <String, dynamic>{'textureId': _textureId},
-      );
+      VideoPlayerPlatform.instance.pause(_textureId);
     }
   }
 
   Future<void> _applyVolume() async {
     if (!value.initialized || _isDisposed) {
       return;
     }
-    await _channel.invokeMethod<void>(
-      'setVolume',
-      <String, dynamic>{'textureId': _textureId, 'volume': value.volume},
-    );
+    VideoPlayerPlatform.instance.setVolume(_textureId, value.volume);
   }
 
   /// The position in the current video.
   Future<Duration> get position async {
     if (_isDisposed) {
       return null;
     }
-    return Duration(
-      milliseconds: await _channel.invokeMethod<int>(
-        'position',
-        <String, dynamic>{'textureId': _textureId},
-      ),
-    );
+    return await VideoPlayerPlatform.instance.getPosition(_textureId);
   }
 
   Future<void> seekTo(Duration moment) async {
@@ -393,10 +372,7 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
     } else if (moment < const Duration()) {
       moment = const Duration();
     }
-    await _channel.invokeMethod<void>('seekTo', <String, dynamic>{
-      'textureId': _textureId,
-      'location': moment.inMilliseconds,
-    });
+    VideoPlayerPlatform.instance.seekTo(_textureId, moment.inMilliseconds);
     value = value.copyWith(position: moment);
   }
 

packages/video_player/video_player/pubspec.yaml

@@ -2,7 +2,7 @@ name: video_player
 description: Flutter plugin for displaying inline video with other Flutter
   widgets on Android and iOS.
 author: Flutter Team <[email protected]>
-version: 0.10.2+6
+version: 0.10.3
 homepage: https://github.com/flutter/plugins/tree/master/packages/video_player/video_player
 
 flutter:
@@ -13,6 +13,8 @@ flutter:
 
 dependencies:
   meta: "^1.0.5"
+  video_player_platform_interface: ^1.0.0
+
   flutter:
     sdk: flutter