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Asked: 2026-05-24T10:29:48+00:00

So I am a beginner developer. And simply just want to have a UITabBarController.

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So I am a beginner developer. And simply just want to have a UITabBarController. I started a new View Based app. The followed the steps by Mark, Nutting and LaMarche from iPhone development for Beginners (chapter 7). I have linked the delegate with my tabBar Controller. I have the code in the delegate method: 

[window addSubview:tabBarController.view]; 
[self.window makeKeyAndVisible];
return YES;

This is in didFinishLauchingWithOptions.

I have released the memory. Thats fine.

I have no idea why its just showing a black screen when i run it. It builds perfectly. no warnings or errors.

any help would be greatly appreciated…

Jack

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1 Answer

  1. Editorial Team

    It has nothing to do with the code – your problem is in your interface builder set up

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