Objective c 在MPMoviePlayerController中禁用用户交互

我需要在播放小视频时禁用总用户交互，我已经尝试将控件的样式设置为无：

MPMovieControlStyleNone

，并在

MPMoviePlayerController

上方放置一个

UIView

，但当我捏住视频时，声音消失，仍在播放，就像我关闭了视频一样，但它仍然在后台播放，加上用户交互被禁用。 我是这样做的：

-(IBAction)startGame:(id)sender
{
    NSURL * url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"Teste" ofType:@"m4v"]];
    moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url];

    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(moviePlayBackDidFinish:)
                                                 name:MPMoviePlayerPlaybackDidFinishNotification
                                               object:moviePlayer];

    moviePlayer.controlStyle = MPMovieControlStyleNone;
    moviePlayer.shouldAutoplay = YES;
    [self.view addSubview:moviePlayer.view];
    [moviePlayer setFullscreen:YES animated:YES];

    mBlankView = [[UIView alloc] initWithFrame:moviePlayer.view.frame];
    mBlankView.userInteractionEnabled = NO;
    [mBlankView setMultipleTouchEnabled:NO];
    [mBlankView setBackgroundColor:[UIColor clearColor]];
    [self.view addSubview:mBlankView];
}

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要完全禁用Movieplayer控制，您需要禁用Movieplayer查看用户交互，如下所示：

moviePlayer.view.userInteractionEnabled = NO;

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不工作

[moviePlayer.view setUserInteractionEnabled:否]

moviePlayer.view.userInteractionEnabled=否