iphone - iOS MPMoviePlayerController playing audio in background -

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I have MPMoviePlayerController which should play audio of video in the background and should be controlled by playing multitasking / control control. 

  - (zero) startBackgroundStreaming {[[ UIApplication sharedApplication] beginReceivingRemoteControlEvents]; [Self-made first responder]; NSError * activationError = Zero; AVAUDIO SESSION * AUDIO SESSION = [AVIDIO SASH Shared Instance]; [AudioSession SetDigitNet: Evolutionary Character Playback Error: & amp; activation error;]; [Audio session set active: yes error: & amp; activation error];   
}  
} The app icon appears in the Multitasking Play / Pause Bar, but these buttons do not respond.  
 Thank you!   
 
 
 The missing pieces of the puzzle are getting you handling remote control events. (Zero) Remote Control Reakwete Event: (UIIvent *) Event  by applying the method can be done in your application representative. In its simplest form, it will appear:  
  - (zero) remoteControlReceivedWithEvent: (UIEvent *) event {if (event.type == UIEventTypeRemoteControl) {switch (event.subtype) {case UIEventSubtypeRemoteControlTogglePlayPause: // Toggle Play Pause Break; Default: Break; Although this method is called on an application representative, but you can always post a notification with the event as an object, so that the visual controller of the movie player controller can get it. The event is, therefore, like:  
  - (zero) remoteControlReceivedWithEvent: (UIEvent *) event {[[NSNotificationCenter defaultCenter] postNotificationName: @ "RemoteControlEventReceived" object: event]; }   
 Then grab the incident item in the listener list you assign to the notification  
  - (zero) remoteControlEventNotification:. (NSNotification *) Note {UIEvent * event = Note.bizject; If (event.type == UIEventTypeRemoteControl) {Switch (event.subtype) {Case UIEventSubtypeRemoteControlTogglePlayPause: if (_moviePlayerController.playbackState == MPMoviePlaybackStatePlaying) {[_moviePlayerController pause]; } And {[_moviePlayerController play]; } break; // you get the idea. Default: Break; }}}

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