如何获得在iphone上切换标签菜单的事件 [英] how to get the event that switch tab menu on iphone

问题描述

我正在试图弄清楚如何捕获控制
UITabBarController 上的开关标签的事件。我怎么能做到这一点？

I'm trying to figure out how to catch the event that controls the switch tabs on the UITabBarController. How could I accomplish this?

推荐答案

如果您使用的是storyboard，请在didFinishLaunchingWithOptions中执行此操作

If you are using storyboard, do this

UITabBarController *tabBar = (UITabBarController *)self.window.rootViewController;
[tabBar setDelegate:self];

同样在AppDelegate中，保持< UITabBarControllerDelegate>

Also in AppDelegate, keep <UITabBarControllerDelegate>

然后

-(void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController
{
   //Write your code here
}

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