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Home/ Questions/Q 7078267
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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T06:31:35+00:00 2026-05-28T06:31:35+00:00

self.window.rootViewController = self.tabBarController; Request for member ‘rootview controller’ in something not a structure or

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self.window.rootViewController = self.tabBarController;

Request for member ‘rootview controller’ in something not a structure or union

what does this error mean?????

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  1. Editorial Team
    Editorial Team
    2026-05-28T06:31:35+00:00Added an answer on May 28, 2026 at 6:31 am

    You explicitly mention iOS SDK 3.0 in your tags. I’m not sure if that’s a mistake since the current SDK is 5.0 and nobody should be developing using iOS SDK 3 any more, but assuming it’s not a mistake, the rootViewController property of window wasn’t added until iOS SDK 4, so maybe that’s why it doesn’t work?

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