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POcontinue playing music when app closes
 

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    <p>I am developing an app in wp7 and in some part.</p> <p>I start a mediaelement to play my music file from isolated storage, with available functions(play, pause, next, previous, seek) and all goes perfect!</p> <p>Now i want to make the app continue playing on user-exit or page-unload or something like that when mediaelement already playing!</p> <p>Notice in the abobe try the</p> <pre> list.playlist: is a list with audiotracks num_input: is the number of music file in list that will play, (get: from mediaelement) time_input: is the timespan from mediaelement before stop, (set: backgroundaudioplayer to start) play: is boolean variable, true if mediaelement plays Stop(): is function that stops mediaelement from playing </pre> <p>Thats i am trying is:</p> <pre><code>private void PhoneApplicationPage_Unloaded(object sender, RoutedEventArgs e) { if (play == true) { TimeSpan time_input = med.Position; Stop(); BackgroundAudioPlayer.Instance.Close(); BackgroundAudioPlayer.Instance.Track = list.playlist[num_input]; BackgroundAudioPlayer.Instance.Position = time_input; if (PlayState.Playing == BackgroundAudioPlayer.Instance.PlayerState) { BackgroundAudioPlayer.Instance.Pause(); } else { BackgroundAudioPlayer.Instance.Play(); } } } void Instance_PlayStateChanged(object sender, EventArgs e) { switch (BackgroundAudioPlayer.Instance.PlayerState) { case PlayState.Playing: break; case PlayState.Paused: case PlayState.Stopped: break; } } </code></pre> <p>The problem is that when the app page-unload (not on user exit, the first problem) the backgroundaudioplayer gets the name and the EnabledControls and all staff but it isn't playing even I press the play button(so buttons not working, second problem)!</p> <p>Also i want to control the list of my app beside that player(previous, next, play, pause) even the app is closed!</p> <p>All the songs are located in isolated and i have the song-name and file-name in database. The audio track looks like:</p> <pre><code>AudioTrack audiotrack1 = new AudioTrack(new Uri(emp.EmployeeFile + ".mp3", UriKind.Relative), emp.EmployeeName, null, null, null, null, EnabledPlayerControls.All); </code></pre> <p>Thanks!</p>
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