[英]How can I dismiss a UINavigationController presented modally?
我有以下結構：
UINavigationController(1) -> MainViewController ---PRESENT MODAL--->
UINavigationController(2) -> TutorialViewController ---PRESENT MODAL---> LoginViewController
---PRESENT MODAL---> SignupViewController
我想從LoginViewController上的用戶操作中撤消UINavigationController（2）。
任何想法？
您應該使用委派來關閉第二個視圖控制器。 因此，您將讓第二個導航控制器被顯示該導航器的第一個導航控制器解雇。 這是消除模態視圖的推薦方法。
這是關於授權的文檔
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