An event fired when UITabBarController's 'selectedViewController' changes?

Question

When the user changes the selected tab of a UITabBarController, is there an event fired to indicate that this specific action happened?

I know that viewDidLoad can get fired if the UIViewController wasn't loaded previously and in the case it was, a viewWillAppear gets invoked. But neither of these will tell me that the view was shown because the tab bar was selected.

Answer 1

You can use tabBar:didSelectItem: while implementing the UITabBarDelegate:

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