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Editorial Team
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Asked: 2026-06-06T04:53:40+00:00

In my iPhone app. I am using UINavigationControllers in UITabBarController . Like: Tab Bar:

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In my iPhone app.

I am using UINavigationControllers in UITabBarController.

Like:

Tab Bar:

  • Navigation Controller.

    • View Controller1.

  • Navigation Controller.

    • View Controller2.

View Controllerx from any of above view controllers.

When I navigates to the View Controllerx.

I am hiding the tab bar.

The problem is that tab bar is hiding but view size reduces.
And white space appears at bottom.

[self.tabBarController.tabBar setHidden:YES];
[self.tabBarController.tabBar setFrame:CGRectZero];
[self.navigationController pushViewController:obj_tipcalc animated:YES];
[obj_tipcalc release];

enter image description here

Thanks.

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1 Answer

  1. Editorial Team

    Your navigation controller’s view lies within the view of your UITabBarController and it’s not filling the entire screen.
    Simply try to resize it:

     ...
 CGRect biggerFrame = tabBarController.view.frame;
 biggerFrame.size.height += tabBarController.tabBar.frame.size.height;
 tabBarController.view.frame = biggerFrame ;
 ...

    To bring back the original layout:

    ...
CGRect smallerFrame = tabBarController.view.frame;
smallerFrame.size.height -= tabBarController.tabBar.frame.size.height;
tabBarController.view.frame = smallerFrame;
...
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