Ios5 iOS 5.0:MPMoviePlayerViewController完全停止工作

我今天花了一整天的时间让MPMoviePlayServiceWController在iOS5上工作，但不管我做什么，都无法让它工作！以下代码在除iOS5.0以外的任何iOS上都能正常工作。无法获得与此主题相关的太多帮助。有谁知道IOS5.0中发生了什么变化，导致下面的简单代码崩溃！我注意到，在iOS 5.0上，它在无限循环中检查loadstate到MPMovieLoadStateUnknown！它永远无法玩

#import "MyMoviePlayer.h"

@implementation MyMoviePlayer

@synthesize moviePlayerViewController;

- (void) checkAndPlay:(UIViewController *)view {
    if ([[moviePlayerViewController moviePlayer] loadState] == MPMovieLoadStateUnknown) {
        NSLog(@"Rechecking");
        [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(checkAndPlay:) userInfo:nil repeats:NO];
    } else {
        [moviePlayerViewController setModalTransitionStyle:UIModalTransitionStyleCrossDissolve];
        [view presentModalViewController:moviePlayerViewController animated:YES];
    }
}

- (void)play:(NSURL*)movieURL andWithView:(UIViewController *)view {
    moviePlayerViewController = [[MPMoviePlayerViewController alloc] initWithContentURL:movieURL];
    [self checkAndPlay:view];
}

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你最终解决了你的问题吗？没有。这在iOS 5.0上不起作用。我们坚持[查看presentModalViewController:MoviePlayerServiceController动画：是]；解决方案