如何为UITabBarItem创建动作? [英] How to create an action for a UITabBarItem?

问题描述

我创建了一个没有UITabBarController的UITabBar和UITabBarItems，现在我想知道如何在单击UITabBarItem时进行操作.对UITabBarItem进行操作应该使用什么方法?

I have created a UITabBar and UITabBarItems without UITabBarController on it, now i want to know how to place an action on click of the UITabBarItem.What is the method i should use for action on UITabBarItem?

推荐答案

您不能直接在UITabBarItem对象上设置操作.相反，您的视图控制器应实现以下UITabBarDelegate方法:

You can't set an action on a UITabBarItem object directly. Instead, your view controller should implement the following UITabBarDelegate method:

- (void)tabBar:(UITabBar *)tabBar didSelectItem:(UITabBarItem *)item;

当用户选择一个选项卡(即UITabBarItem)时，将调用此方法.

This method is called when the user selects a tab (i.e. UITabBarItem).

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