Instance Method

tabBarController:shouldSelectViewController:

Asks the delegate whether the specified view controller should be made active.

Declaration

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController;

Parameters

tabBarController

The tab bar controller containing viewController.

viewController

The view controller belonging to the tab that was tapped by the user.

Return Value

YES if the view controller’s tab should be selected or NO if the current tab should remain active.

Discussion

The tab bar controller calls this method in response to the user tapping a tab bar item. You can use this method to dynamically decide whether a given tab should be made the active tab.

See Also

Managing Tab Bar Selections

- tabBarController:didSelectViewController:

Tells the delegate that the user selected an item in the tab bar.