当用户在选项卡栏应用中单击时，如何重置uinavigationview以显示根控制器 [英] How to reset a uinavigationview to display the root controller when user clicks back to it in a tab bar app

问题描述

当用户在标签栏应用中单击时，如何重置uinavigationview以显示根控制器

How to reset a uinavigationview to display the root controller when user clicks back to it in a tab bar app

嘿

只是想知道我会怎么做.我的代表中有导航控制器以及选项卡控制器，并且每当用户单击另一个选项卡时，如果他们单击包含uinavcontroller的选项卡，则我希望在导航控制器上显示rootview.

Just wondering how I would do this. I have the navcontroller in my delegate along with the tabbar controller and Any time the user clicks to another tab I want the rootview on the navigation controller to be shown if and when they click back the the tab that contains the uinavcontroller.

这有意义吗?

尼克

推荐答案

[self.navigationController popToRootViewControllerAnimated:YES];

[self.navigationController popToRootViewControllerAnimated:YES];

或者，如果您不希望它进行动画处理，则为否.

Or NO if you don't want it to animate.

通过这种方式，所有缓存的视图仍然存在，即，除非NavigationController认为必要，否则您不会删除/释放"根视图上方的所有视图.

This way all the views that were cached are still there, i.e. you don't "remove/release" all the views above the root view, unless the navigationController deems it necessary.

我希望这就是您想要的.

I hope this was what You were looking for..

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