iOS: 手机 支持屏幕 方向

[经验]iOS app整体是竖屏(横屏)，某个页面却支持横竖屏](http://blog.csdn.net/hherima/article/details/52371517)

如何让App不支持旋转屏幕

iOS_关于手机支持的屏幕方向

StackOverFlow

UIApplicationInvalidInterfaceOrientation issue

[How to force a UIViewController to Portait orientation in iOS 6

](http://stackoverflow.com/questions/15638749/uiapplicationinvalidinterfaceorientation-issue)