如何使用包含多个导航控制器的视图层次结构弹出到根视图控制器 [英] How to pop to root view controller with view hierarchy containing multiple Navigation controllers

问题描述

我有一个带有 多个 UINavigationControllers

现在从一个特定的视图控制器，我想弹出到 window.rootviewcontroller

Now from a particular view controller, I wanted to pop to window.rootviewcontroller

我该怎么做?

我试过了

[UIApplication sharedApplication].keyWindow.rootViewController popToRootViewController];

[UIApplication sharedApplication].keyWindow.rootViewController popToRootViewController];

但它不起作用.请提出建议.

But it does not work. Please suggest.

请注意，我想转到 window.rootVC.

Please note I want to go to window.rootVC.

这对我不起作用

 [self.navigationController popToRootViewControllerAnimated:YES];

推荐答案

只需获取窗口实例并再次设置根视图控制器，因为 popToRootViewController 只会弹出特定导航堆栈的根视图控制器

Just get the window instance and set the root view controller again, as popToRootViewController only pops to root view controller of particular navigation stack

- (void)popToRoot
{
    AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];
    UIWindow *mainWindow = appDelegate.window;
    ViewController *viewControllerObj = [ViewController new];
    UINavigationController *navigationObject = [[UINavigationController alloc] initWithRootViewController:viewControllerObj];
    [mainWindow setRootViewController:navigationObject];
}

希望这会有所帮助.

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