public bool Init()
{
if (MediaBrowser == null)
{
MediaControllerCallback = new MediaControllerCallback();
MediaBrowserSubscriptionCallback = new MediaBrowserSubscriptionCallback();
// Connect a media browser just to get the media session token. There are other ways
// this can be done, for example by sharing the session token directly.
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
MediaBrowserConnectionCallback = new MediaBrowserConnectionCallback
{
OnConnectedImpl = () =>
{
MediaControllerCallback.OnMetadataChangedImpl = metadata =>
{
var test = metadata;
};
MediaControllerCallback.OnPlaybackStateChangedImpl = state =>
{
MediaManager.OnStateChanged(this, new StateChangedEventArgs(state.ToMediaPlayerState()));
};
MediaControllerCallback.OnSessionEventChangedImpl = (string @event, Bundle extras) =>
{
//Do nothing for now
};
MediaController = new MediaControllerCompat(Context, MediaBrowser.SessionToken);
MediaController.RegisterCallback(MediaControllerCallback);
if (Context is Activity activity)
{
MediaControllerCompat.SetMediaController(activity, MediaController);
}
// Sync existing MediaSession state to the UI.
// The first time these events are fired, the metadata and playbackstate are null.
MediaControllerCallback.OnMetadataChanged(MediaController.Metadata);
MediaControllerCallback.OnPlaybackStateChanged(MediaController.PlaybackState);
MediaBrowser.Subscribe(MediaBrowser.Root, MediaBrowserSubscriptionCallback);
IsInitialized = true;
tcs.SetResult(IsInitialized);
},
OnConnectionFailedImpl = () =>
{
IsInitialized = false;
tcs.SetResult(IsInitialized);
}
};
MediaBrowser = new MediaBrowserCompat(Context,
new ComponentName(
Context,
ServiceType),
MediaBrowserConnectionCallback,
null);
}
if (!IsInitialized)
{
MediaBrowser.Connect();
IsInitialized = true;
}
return(IsInitialized);
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
View rootView = inflater.Inflate(Resource.Layout.fragment_list, container, false);
browserAdapter = new BrowseAdapter(Activity);
View controls = rootView.FindViewById(Resource.Id.controls);
controls.Visibility = ViewStates.Gone;
var listView = rootView.FindViewById <ListView> (Resource.Id.list_view);
listView.Adapter = browserAdapter;
listView.ItemClick += (sender, e) => {
MediaBrowser.MediaItem item = browserAdapter.GetItem(e.Position);
try {
var listener = (IFragmentDataHelper)Activity;
listener.OnMediaItemSelected(item);
} catch (InvalidCastException ex) {
Log.Error(Tag, "Exception trying to cast to FragmentDataHelper", ex);
}
};
Bundle args = Arguments;
mediaId = args.GetString(ArgMediaId, null);
mediaBrowser = new MediaBrowser(Activity,
new ComponentName(Activity, Java.Lang.Class.FromType(typeof(MusicService))),
connectionCallback, null);
subscriptionCallback.OnChildrenLoadedImpl = (parentId, children) => {
browserAdapter.Clear();
browserAdapter.NotifyDataSetInvalidated();
foreach (MediaBrowser.MediaItem item in children)
{
browserAdapter.Add(item);
}
browserAdapter.NotifyDataSetChanged();
};
subscriptionCallback.OnErrorImpl = (id) => Toast.MakeText(Activity, "Error Loading Media", ToastLength.Long).Show();
connectionCallback.OnConnectedImpl = () => {
LogHelper.Debug(Tag, "onConnected: session token " + mediaBrowser.SessionToken);
if (mediaId == null)
{
mediaId = mediaBrowser.Root;
}
mediaBrowser.Subscribe(mediaId, subscriptionCallback);
if (mediaBrowser.SessionToken == null)
{
throw new ArgumentNullException("No Session token");
}
var mediaController = new Android.Media.Session.MediaController(Activity, mediaBrowser.SessionToken);
Activity.MediaController = mediaController;
};
connectionCallback.OnConnectionFailedImpl = () => LogHelper.Debug(Tag, "onConnectionFailed");
connectionCallback.OnConnectionSuspendedImpl = () => {
LogHelper.Debug(Tag, "onConnectionSuspended");
Activity.MediaController = null;
};
return(rootView);
}