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Editorial Team
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Asked: 2026-05-15T12:32:40+00:00

When I tab through the UITabBarController buttons while loading the data, I get an

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When I tab through the UITabBarController buttons while loading the data, I get an exception. How can I get through this problem?

How can I disable the buttons until the data is loaded, to avoid the exception being caused?

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1 Answer

  1. Editorial Team

    You can disable and enable all of your UI with

    [[UIApplication sharedApplication] beginIgnoringInteractionEvents];

[[UIApplication sharedApplication] endIgnoringInteractionEvents];

    That being said, I recommend digging down and understanding why the app crashes, as you will want to solve the problem and not hide bugs.

    One quick shot: Are you doing the loading on another thread? You may only update the UI from the main thread.

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