1.present.2.dismissed.3.push.4.pop.
- (BOOL)isBeingPresented NS_AVAILABLE_IOS(5_0);
- (BOOL)isBeingDismissed NS_AVAILABLE_IOS(5_0);
- (BOOL)isMovingToParentViewController NS_AVAILABLE_IOS(5_0);
- (BOOL)isMovingFromParentViewController NS_AVAILABLE_IOS(5_0);
作者：薛雪峰
链接：http://www.zhihu.com/question/26485743/answer/33062225
来源：知乎
著作权归作者所有，转载请联系作者获得授权。
- (BOOL)isBeingPresented NS_AVAILABLE_IOS(5_0);
- (BOOL)isBeingDismissed NS_AVAILABLE_IOS(5_0);
- (BOOL)isMovingToParentViewController NS_AVAILABLE_IOS(5_0);
- (BOOL)isMovingFromParentViewController NS_AVAILABLE_IOS(5_0);
作者：薛雪峰
链接：http://www.zhihu.com/question/26485743/answer/33062225
来源：知乎
著作权归作者所有，转载请联系作者获得授权。
- (BOOL)isBeingPresented NS_AVAILABLE_IOS(5_0); - (BOOL)isBeingDismissed NS_AVAILABLE_IOS(5_0); - (BOOL)isMovingToParentViewController NS_AVAILABLE_IOS(5_0); - (BOOL)isMovingFromParentViewController NS_AVAILABLE_IOS(5_0); 作者：薛雪峰 链接：http://www.zhihu.com/question/26485743/answer/33062225 来源：知乎 著作权归作者所有，转载请联系作者获得授权。