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Editorial Team
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Asked: 2026-06-13T16:29:27+00:00

I have a simple app with 4 Tabs. All of them contain a UINavigationbar

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I have a simple app with 4 Tabs. All of them contain a UINavigationbar, on which I placed some UIBarButtons. One of the UIButton will change the Background color at some point – this can happen on any Tab. Now, I want to inform the other navigation controller, so they can set the backgroundcolor of the Button to the same color. The user should see the same color on all the tabs.

What I did so far: I created a super class which creates the buttons within the ViewDidLoad method. But… what now?

Any ideas?

By the way,I develop for iOS > 4.0 with Xcode 4.5

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1 Answer

  1. Editorial Team

    You can inform you superclass about color change using protocol. If you new in this topic i would suggest you watch this youtube – protocol

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