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POError Message: MPMoviePlayerController instance is already playing
 

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  1. POError Message: MPMoviePlayerController instance is already playing
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    <p>In my app I am playing video(s) that are in the app, using the standard MPMoviePlayerController class.</p> <p>The first time around around this works great, however after watching 1 video if you try and watch something else the app crashes on MPMoviePlayerController's play method with the error:</p> <p>*** Terminating app due to uncaught exception 'MPMoviePlayerControllerPlaybackException', reason: 'MPMoviePlayerController instance is already playing'</p> <p>I can not figure out why this is happening.</p> <p>I have VERY similar code in another app and I don't get this error.</p> <p>I am compiling for the device - 2.0 and running it on an iPhone with firmware 2.2.1.</p> <p>This is the code I have:</p> <pre><code>@synthesize movieURL; - (void) setMovieAndPlay { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); moviePath = [[[paths lastObject] stringByAppendingPathComponent:movieURL] retain]; [self playVideoWithURL:[NSURL fileURLWithPath:moviePath]]; } -(void)playMovieAtURL:(NSURL*)theURL { MPMoviePlayerController *mMoviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:theURL]; mMoviePlayer.scalingMode = MPMovieScalingModeAspectFill; if ([defaults boolForKey:@"disableControls"]) { mMoviePlayer.movieControlMode = MPMovieControlModeHidden; } [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:mMoviePlayer]; [mMoviePlayer play]; } - (void) moviePlayBackDidFinish:(NSNotification*)notification { MPMoviePlayerController *theMovie = [notification object]; [[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:theMovie]; [theMovie release]; theMovie = nil; NSDictionary *notiUserInfo = [notification userInfo]; if (notiUserInfo != nil) { NSError *errorInfo = [notiUserInfo objectForKey:@"error"]; if ([[errorInfo domain] isEqualToString:@"MediaPlayerErrorDomain"]) { UIAlertView *notice = [[UIAlertView alloc] initWithTitle:@"Error" message:[errorInfo localizedDescription] delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [notice show]; [notice release]; return; } } if ([defaults boolForKey:@"autoRepeat"]) { [self playMovieAtURL:[NSURL fileURLWithPath:moviePath]]; } else { KFAppDelegate *appDelegate = (KFAppDelegate *)[[UIApplication sharedApplication] delegate]; [appDelegate endMovie]; } } - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { KFAppDelegate *appDelegate = (KFAppDelegate *)[[UIApplication sharedApplication] delegate]; [appDelegate endMovie]; } </code></pre> <p>What is even stranger is, if you look at the code, after the movie ends I check if the user has enable auto-repeat.</p> <p>If they have, I just start the movie over again, and THIS WORKS.</p> <p>However if they did not enable auto-repeat and leave this class and then try to watch another movie (or the same one) it gives that crash.</p> <p>Does anyone know why this would be happening?</p> <p>Am I doing something wrong?</p> <p>Thanks!</p>
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