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我有同样的问题： MPMoviewPlayerController 全屏播放旋转，底层 UIViewController 仅具有纵向模式（不允许旋转）

我认为这个问题的答案非常有用。然后我为此添加了一个 UIViewController。首先：youtubePlayer 是一个 MPMoviePlayerController，下面的代码将 youTubeView 的帧发送到 youtubePlayer 并在 youTubeView 上显示 youtubePlayer：

[youtubePlayer.view setFrame:youTubeView.bounds];
[youTubeView addSubview:youtubePlayer.view];

切换到全屏后，我想将 youtubePlayer.view 添加到一个新的 UIViewController，然后它可以自动旋转： playerFullScreen = [[UIViewController alloc]init];

[playerFullScreen.view addSubview:youtubePlayer.view];
[nav pushViewController:playerFullScreen animated:NO];

但是屏幕变白，视频不显示，我该怎么办？

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1 回答 1

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你不需要使用UIViewController; MPMoviePlayerViewController效果一样好，它有自己的功能来模态展示视频，就像 YouTube 一样（我认为）。也代替addSubview，尝试使用setView：

我花了很长时间研究这个并且以下工作完美。

moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:videoURL];

//Calls for movie playback once video is finished
[[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(moviePlayBackDidFinish:)
                                             name:MPMoviePlayerPlaybackDidFinishNotification
                                           object:moviePlayer];
playerView = [[MPMoviePlayerViewController alloc]init];
[moviePlayer setControlStyle:MPMovieControlStyleFullscreen];
[playerView setView:moviePlayer.view];

[moviePlayer.view setFrame: self.view.bounds];  // player's frame must match parent's

[self presentMoviePlayerViewControllerAnimated:playerView];

[moviePlayer play];
NSLog(@"playing video view");

并在解除其呼叫时

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

    [self dismissMoviePlayerViewControllerAnimated];

    NSLog(@"removed video view");
}
于 2012-07-23T07:55:46.600 回答