Accessing a view controller created through Storyboard using the App Delegate

Question

I\'m working on an iOS5 app using storyboard, and I have a method in a view controller class that i\'d like to access from the App Delegate. The trouble is, this view contr

Answer 1

In the AppDelegate, you could simply use indexes to access the controllers via UITabBarController:

UITabBarController *tabBarController = (UITabBarController *)self.window.rootViewController;
firstViewController = [[tabBarController viewControllers] objectAtIndex:0];
secondViewController = [[tabBarController viewControllers] objectAtIndex:1];
thirdViewController = [[tabBarController viewControllers] objectAtIndex:2];

Naturally, this will get messed up if you change the ordering of the tab bar. Also, if you're looking for a controller deeper in the hierarchy, you need to do a bit more legwork.