使用情节提要板时修改UITabBarController

Question

I am a little newer at storyboarding. I have a UITabBarController in my story board as the entry point in my application. I tied all the other view controllers to the tab bar controller. Everything works perfectly fine. I now want to do some very basic interface, colors, opacity, text, images, etc.

This may sound like a very basic question but how can I access my UITabBarController to be able to set my values. What is he best place to be doing these modifications: appDelegate since that one tabbarcontroller controls all of the controllers for the entire app?

What I have tried already I created a new class as UITabBarController and I tied it to the UITabBarController in the StoryBoard by setting it as a custom class. I couldn't figure out how to access the UITabBarController to make any customizations.

Answer 1

You should be able to get the controller using something like:

AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];
UITabBarController *tbc = (UITabBarController *)[[appDelegate window] rootViewController];

(Adding code to test that it really is a UITabBarController before using it would be a good idea.)

Alternatively, if your tab bar controller is a custom sub-class of UITabBarController , it would be cleaner to use its viewDidLoad to modify its own properties.