Ios 如何检查当前显示的视图控制器是否为MPMoviePlayerController？

我尝试获取当前视图控制器，并检查它是否属于MPMoviePlayerController类，但它总是返回MPMoviePlayerController之前的最后一个视图控制器

[self.window.rootViewController.presentedViewController.childViewControllers firstObject]

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那么，如何检查显示的控制器是否是MPMoviePlayerController？

首先，我认为它应该是MPMoviePlayerController，而不是MPMoviePlayerController，当您尝试在此处检查的是视图控制器时

如果这是正确的，那么一旦您通过

[self presentMoviePlayerViewControllerAnimated:movieplayer]; // movieplayer being your MPMoviePlayerViewController's instance

[[self presentedViewController] isKindOfClass:[MPMoviePlayerViewController class]]; // will return true

然后，您应该能够通过验证当前的viewcontroller

[self presentMoviePlayerViewControllerAnimated:movieplayer]; // movieplayer being your MPMoviePlayerViewController's instance

[[self presentedViewController] isKindOfClass:[MPMoviePlayerViewController class]]; // will return true