private static bool IsPlaybackStarted(MediaSession.Token token)
{
if (_currentToken.Equals(token) && _playbackstarted == true)
{
return(true);
}
return(false);
}
void UpdateSessionToken()
{
var freshToken = service.SessionToken;
if (sessionToken == null || sessionToken != freshToken)
{
if (controller != null)
{
controller.UnregisterCallback(mCb);
}
sessionToken = freshToken;
controller = new MediaController(service, sessionToken);
transportControls = controller.GetTransportControls();
if (started)
{
controller.RegisterCallback(mCb);
}
}
}
//if you don't pass any argument it'll effectively do nothing.
public static bool StopPlayback(MediaSession.Token token = null)
{
if (_currentToken == token) //Making sure we are stopping the same one we started.
{
try
{
_currentMediaController.UnregisterCallback(instance);
_playbackstarted = false;
_openNotificationId = null;
return(true);
}
catch (Exception)
{
Log.Warn("LiveDisplay", "Failed MusicController#StopMediaCallback");
_playbackstarted = false;
_openNotificationId = null;
return(false);
}
}
return(false);
}
/// <summary>
/// Pass a MediaSession.Token to create one MediaController.
///
/// </summary>
/// <param name="mediaController"></param>
/// <param name="token"></param>
/// <returns></returns>
public static bool StartPlayback(MediaSession.Token token, string owningNotificationId)
{
if (instance == null)
{
if (token != null)
{
_currentMediaController = new MediaController(Application.Context, token);
_currentToken = token;
}
else
{
throw new ArgumentException("Token can't be null!");
}
GetCurrentInstance(_currentMediaController, owningNotificationId);
return(StartMediaPlayback());
}
else
{
if (IsPlaybackStarted(token) == false)
{
StopPlayback(_currentToken); //the incoming token is different so I will stop the previous media callback before
//creating a new one.
_currentMediaController = new MediaController(Application.Context, token);
_currentToken = token;
LoadMediaControllerData(_currentMediaController);
return(StartMediaPlayback());
}
else
{
//The mediaplayback is already started for this session in particular.
if (_openNotificationId != owningNotificationId) //It means that the session is the same, but the notification owning this session changed.
{
_openNotificationId = owningNotificationId; //Update the notification (taking its id) that way we can identify the notification that owns this media session.
}
return(false);
}
}
}
void UpdateSessionToken()
{
var freshToken = service.SessionToken;
if (sessionToken == null || sessionToken != freshToken) {
if (controller != null) {
controller.UnregisterCallback (mCb);
}
sessionToken = freshToken;
controller = new MediaController (service, sessionToken);
transportControls = controller.GetTransportControls();
if (started) {
controller.RegisterCallback (mCb);
}
}
}
