我尝试在iOS中播放视频，但它只播放了5秒的任何视频。这是我的代码:NSBundle*bundle=[NSBundlemainBundle];NSString*moviePath=[bundlepathForResource:@"videoviewdemo"ofType:@"mp4"];NSURL*movieURL=[[NSURLalloc]initFileURLWithPath:moviePath];MPMoviePlayerController*theMoviPlayer=[[MPMoviePlayerControlleralloc]initWithContentURL:movie