protected override void OnStart()
{
base.OnStart();
LogHelper.Debug(Tag, "Activity onStart");
controlsFragment = FragmentManager.FindFragmentById <PlaybackControlsFragment>(Resource.Id.fragment_playback_controls);
if (controlsFragment == null)
{
throw new Exception("Mising fragment with id 'controls'. Cannot continue.");
}
HidePlaybackControls();
var permissionsList = new List <string>();
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.ReadExternalStorage) == Permission.Granted)
{
mediaBrowser.Connect();
}
else
{
permissionsList.Add(Manifest.Permission.ReadExternalStorage);
}
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.RecordAudio) != Permission.Granted)
{
permissionsList.Add(Manifest.Permission.RecordAudio);
}
if (permissionsList.Count > 0)
{
ActivityCompat.RequestPermissions(this, permissionsList.ToArray(), RequestCodeAskPermissions);
return;
}
}
void WireUpMediaBrowser()
{
MessagingCenter.Subscribe <MediaBrowserConnectMessage>(this, nameof(MediaBrowserConnectMessage), message =>
{
if (mediaBrowser.IsConnected)
{
OnConnected();
}
else
{
mediaBrowser.Connect();
}
});
}
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);
}