[英]iOS/ swift : moving between view controllers in swift
suppose I have a MainTabBarController, from one of it's tabs, I go to FirstViewController, then from FirstViewController, I go to SecondViewController (all with present modally), in SecondViewController when user hits cancel button, I want to go back to MainTabBarController, without showing FirstViewController, can I do this without NavigationController? 假设我有一个MainTabBarController,从其中一个选项卡转到FirstViewController,然后从FirstViewController转到SecondViewController(全部以模态形式出现),在SecondViewController中,当用户单击“取消”按钮时,我想返回MainTabBarController,但不显示FirstViewController,我可以在没有NavigationController的情况下做到这一点吗? cus I have no NavigationController in current version of my code and it will cost me many changes :(
cus我在当前版本的代码中没有NavigationController,这将花费我很多更改:(
in your SecondViewController
you can call below code on tap of cancel button, which gets the presentingViewController
of SecondViewController
-> presentingViewController
of FirstViewController
which is a TabBarController
and call dismiss
on it. 在您的
SecondViewController
您可以在点击“取消”按钮时调用以下代码,这将获取SecondViewController
的presentingViewController
> FirstViewController
presentingViewController
,它是一个TabBarController
并对其调用dismiss
。
@objc func dismiss(_ button: UIButton) {
self.presentingViewController?.presentingViewController?.dismiss(animated: true)
}
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