How to disable the edit button that appears in the more section of a UITabBarController?

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Become a delegate of moreNavigationController (it is a UINavigationController) and add this:

- (void)navigationController:(UINavigationController *)navigationController
        willShowViewController:(UIViewController *)viewController
        animated:(BOOL)animated {

    UINavigationBar *morenavbar = navigationController.navigationBar;
    UINavigationItem *morenavitem = morenavbar.topItem;
    /* We don't need Edit button in More screen. */
    morenavitem.rightBarButtonItem = nil;
}

Now it won’t appear. The key thing to consider is that Edit button appears not after controller creation, but before displaying the view, and we should sit silently till that moment and then, when the controller is going to display the screen, we will knock the button out so that it won’t have a chance to create it again. 🙂

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