ios 8+xcode 6.01+presentnavigationController+屏幕不旋转

我在介绍 [窗口添加子视图：navigationController.view]

[window makeKeyAndVisible];

LicenceAgreementViewController *licenceAgreementViewController = [[LicenceAgreementViewController alloc] initWithNibName:@"LicenceAgreementViewController" bundle:nil];


[self.navigationController presentViewController :licenceAgreementViewController animated:YES completion:nil];


[licenceAgreementViewController release];

并且对.plist本身也做了一些更改 -NSIntegerApplication:UIApplication*应用程序支持的InterfaceOrientionsForWindow:UIWindow*窗口{

NSUInteger orientations = UIInterfaceOrientationMaskAll;

if(self.window.rootViewController){

    UIViewController *presentedViewController = [[(UINavigationController *)self.window.rootViewController viewControllers] lastObject];

    orientations = [presentedViewController supportedInterfaceOrientations];

   // orientations = [presentedViewController supportedInterfaceOrientations];

}

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任何帮助：提前谢谢