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Editorial Team
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Asked: 2026-05-24T23:23:17+00:00

I’m building a Tab Bar app, pretty all GUI modeling is done with IB.

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I’m building a Tab Bar app, pretty all GUI modeling is done with IB. So, my MainWindow xib file contains an UITabBarController that is retained by a files owner outlet. All of my Tabs are navigation controllers with view controllers. I have dragged those navigation controllers from the window view in IB, also dragged the starting view controllers for each of that navigation controller.

The questions is do I need to have an outlets for those NavCons and ViewCons in my mainAppDelegate class, in order to do proper memory management and release them in dealloc? If so, why I can’t connect them in main xib file because no outlets are shown in popup window. Should note that all those properties have an outlet keyword in front of them.

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  1. Editorial Team

    I’d say no.

    Don’t they autorelease?

    You don’t do an explicit alloc in your code therefore you do not have to release them. That’s my understanding.

    At least I never released the navigation controllers and view controllers on the highest level within the tabs of my tab bar based apps.

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