播放视频后更改视图

Question

当我点击我的播放按钮时，我的视频就可以工作，并且我知道我的视图的代码可以更改。在视频播放完后，我似乎无法改变视图，但并不确定哪里出了问题。一旦视频播放完成后，任何想法都会让视图发生变化？

我的代码，以播放电影

-(IBAction)playMovie:(id)sender { 
NSString *movieUrl = [[NSBundle mainBundle] pathForResource:@"Movie_1666" ofType:@"m4v"]; 
playerController = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL fileURLWithPath:movieUrl]]; 
//Smoothe Transition 
//[self presentMoviePlayerViewControllerAnimated:playerController]; 
//Instant Transistion 
[self presentModalViewController:playerController animated:NO]; 
playerController.moviePlayer.movieSourceType = MPMovieSourceTypeFile; 
playerController.moviePlayer.scalingMode = MPMovieScalingModeAspectFill; 
playerController.moviePlayer.controlStyle = MPMovieControlStyleNone; 
[playerController.moviePlayer play]; 
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playbackFinished:) name:MPMoviePlayerPlaybackDidFinishNotification object:playerController]; } 

我的方法来更改视图

- (void)playbackFinished:(NSNotification*) notification { 
MPMoviePlayerController *playerController = [notification object]; 
[[NSNotificationCenter defaultCenter] 
removeObserver:self 
name:MPMoviePlayerPlaybackDidFinishNotification 
object:playerController]; 

View2 *view2 = [[View2 alloc] initWithNibName:@"View2" bundle:nil]; 
View2.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; 
[self presentModalViewController:view2 animated:YES]; } 

编辑： 我通知的对象是错误的，并没有触发我playbackFinished方法 这一变化解决了。

- (void)playbackFinished:(NSNotification*) notification { 
playerController = [notification object]; 
[[NSNotificationCenter defaultCenter] 
removeObserver:self 
name:MPMoviePlayerPlaybackDidFinishNotification 
object:playerController]; 

我也把这个在我的头文件，使其全球用在我的playbackFinished方法

MPMoviePlayerViewController *playerController; 

Answer 1

一旦影片播放完毕后，关闭该playerController视图，而无需动画。另外检查一下，你是否在主线程中显示View2。

编辑： 关闭该playerController通过

[playerController dismissModalViewControllerAnimated:NO];