Return to top of UINavigationController stack when clicking a tab?

问题

I have a UITabBarController interface with 4 tabs. Each tab has a UINavigationController. How would I return to the topmost UIViewController in each UINavigationController whenever a tab bar button is pressed?

回答1:

-popToRootViewControllerAnimated

来源：https://stackoverflow.com/questions/4199758/return-to-top-of-uinavigationcontroller-stack-when-clicking-a-tab