[英]How can I dismiss a UINavigationController presented modally?
我有以下结构：
UINavigationController(1) -> MainViewController ---PRESENT MODAL--->
UINavigationController(2) -> TutorialViewController ---PRESENT MODAL---> LoginViewController
---PRESENT MODAL---> SignupViewController
我想从LoginViewController上的用户操作中撤消UINavigationController（2）。
任何想法？
您应该使用委派来关闭第二个视图控制器。 因此，您将让第二个导航控制器被显示该导航器的第一个导航控制器解雇。 这是消除模态视图的推荐方法。
这是关于授权的文档
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