在一个视图控制器中强制横向方向 [英] Force landscape orientation in one view controller

问题描述

在iOS 5和6中，我在视图控制器的viewWillAppear方法中执行此操作：

In iOS 5 and 6 I was doing this in the viewWillAppear method in my view controller:

UIViewController *c = [[UIViewController alloc] init];
//To avoid the warning complaining about the view not being part of the window hierarchy
[[[TWNavigationManager shared] window] addSubview:c.view];
[self presentModalViewController:c animated:NO];
[self dismissModalViewControllerAnimated:NO];
[c.view removeFromSuperview];

我还在app delegate中添加了此方法

I also added this method in the app delegate

- (NSUInteger)application:(UIApplication *)application      supportedInterfaceOrientationsForWindow:(UIWindow *)window
{
    return [[TWNavigationManager shared] supportedInterfaceOrientationsForTopViewController];
}

这基本上转发了对顶视图控制器的调用。

Which basically forwards that call to the top view controller.

这导致我的视​​图控制器调用了自动旋转方法，然后我就可以强制该视图控制器的横向方向。
现在在iOS 7中，该代码不再起作用了。白色视图全屏显示。

That caused auto-rotation methods to be called for my view controller and then I was able to force landscape orientation for just that view controller. Now in iOS 7 that code doesn't work anymore. A white view appears full-screen.

iOS7中的正确方法是什么？

What would be the proper approach in iOS7?

提前致谢。

推荐答案

遇到同样的问题并设法通过解除所呈现的动态模态视图来修复它：是。

Had the same problem and managed to fix it by dismissing the presented modal view animated:YES.

[self dismissViewControllerAnimated:YES completion:nil];

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