RemoteMediaClient implemented in example app

- Fix android implementation

android/src/main/kotlin/com/gianlucaparadise/flutter_cast_framework/media/MediaLoadRequestDataHelper.kt

@@ -25,7 +25,7 @@ fun getMediaInfo(mediaInfo: PlatformBridgeApis.MediaInfo?) : MediaInfo? {
     val streamType = getStreamType(mediaInfo.streamType)
     val metadata = getMediaMetadata(mediaInfo.mediaMetadata)
     val mediaTracks = mediaInfo.mediaTracks.map { getMediaTrack(it) }
-    val customData = JSONObject(mediaInfo.customDataAsJson)
+    val customData = JSONObject(mediaInfo.customDataAsJson ?: "{}")
 
     return MediaInfo.Builder(mediaInfo.contentId)
             .setStreamType(streamType)

example/lib/main.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter_cast_framework/cast.dart';
 import 'package:flutter_cast_framework/widgets.dart';
 
+import 'media_load_request_data_helper.dart';
+
 void main() => runApp(MyApp());
 
 class MyApp extends StatefulWidget {
@@ -18,7 +20,7 @@ class _MyAppState extends State<MyApp> {
 
   final textMessageController = TextEditingController();
 
-  final String castNamespace = 'urn:x-cast:cast-your-instructions';
+  final String castNamespace = 'urn:x-cast:flutter-cast-framework-demo';
 
   @override
   void initState() {
@@ -48,8 +50,7 @@ class _MyAppState extends State<MyApp> {
   void _onSessionStateChanged() {
     debugPrint("Session state changed from example");
     setState(() {
-      _sessionState =
+      _sessionState = castFramework.castContext.sessionManager.state.value;
-          castFramework.castContext.sessionManager.state.value;
     });
   }
 
@@ -66,6 +67,11 @@ class _MyAppState extends State<MyApp> {
         .sendMessage(castNamespace, message);
   }
 
+  void _onCastVideo() {
+    final request = getMediaLoadRequestData();
+    castFramework.castContext.sessionManager.remoteMediaClient.load(request);
+  }
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -104,6 +110,10 @@ class _MyAppState extends State<MyApp> {
                 ],
               ),
               Text('Received Message: $_message'),
+              ElevatedButton(
+                child: Text('Cast video'),
+                onPressed: _onCastVideo,
+              )
             ],
           ),
         ),

example/lib/media_load_request_data_helper.dart

@@ -0,0 +1,45 @@
+import 'package:flutter_cast_framework/cast.dart';
+
+const videoUrl =
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/mp4/BigBuckBunny.mp4";
+const videoType = "mp4";
+const videoDuration = 596 * 1000;
+const videoThumb =
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/480x270/BigBuckBunny.jpg";
+const videoPoster =
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/780x1200/BigBuckBunny-780x1200.jpg";
+
+MediaLoadRequestData getMediaLoadRequestData() {
+  final img = WebImage()..url = videoThumb;
+  final bigImg = WebImage()..url = videoPoster;
+  final mediaMetadata = MediaMetadata()
+    ..mediaType = MediaType.movie
+    ..webImages = [
+      img,
+      bigImg,
+    ];
+
+  // final mediaTrack = MediaTrack()
+  //   ..contentId = ""
+  //   ..id = 0
+  //   ..language = ""
+  //   ..name = ""
+  //   ..trackType = TrackType.unknown
+  //   ..trackSubtype = TrackSubtype.unknown;
+  // final mediaTracks = <MediaTrack>[mediaTrack];
+
+  final mediaInfo = MediaInfo()
+    ..contentId = videoUrl
+    ..streamType = StreamType.buffered
+    ..contentType = videoType
+    ..mediaMetadata = mediaMetadata
+    ..mediaTracks = <MediaTrack>[]
+    ..streamDuration = videoDuration;
+
+  final request = MediaLoadRequestData()
+    ..shouldAutoplay = true
+    ..currentTime = 0
+    ..mediaInfo = mediaInfo;
+
+  return request;
+}