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copied!<p>Create property for MPMoviePlayerController, because you retain view after adding it as subview, but not retain controller.</p> <pre><code>@property (strong, nonatomic) MPMoviePlayerController *player; ... @synthesize player = _player; ... - (IBAction)playVideo:(id)sender { NSURL *videoUrl = [[DataStore singletonInstance] getVideoUrl:self withUuid:self.eventDetailVC.event.uuid]; if ([videoUrl checkResourceIsReachableAndReturnError:nil] == NO) { NSLog(@"Video doesn't not exist."); return; } self.player = [[MPMoviePlayerController alloc] initWithContentURL:videoUrl]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:nil]; [previewView addSubview:_player.view]; _player.view.frame = previewView.bounds; _player.controlStyle = MPMovieControlStyleDefault; [_player play]; } - (void)moviePlayBackDidFinish:(NSNotification*)notification { NSLog(@"moviePlayBackDidFinish: called"); [[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:nil]; // Checking for errors 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]; return; } } // Remove from view [_player.view removeFromSuperview]; [_player stop]; self.player = nil; } </code></pre>

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