Tab Bar Controller Not Using Safe Area

UI Frameworks UIKit
garygrapeapplebee
garygrapeapplebee OP
Created Apr ’25
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I have several apps where I successfully implemented Safe Area Margins, but this app uses a Tab Bar Controller and it ignores the safe areas. I am using Xcode 16.2, and Storyboards. The "Use Safe Area Layout Guides" is checked for every scene, yet none are using the safe area. Any clues?

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Claude31
Claude31 OP
Apr ’25

On what View did you apply the constraints ?

Could you:

  • a screenshot explaining what you get and what you'd expect
  • a screenshot of the Size Inspector in which constraints are defined
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garygrapeapplebee
garygrapeapplebee OP
Apr ’25

The attached image shows the safe area highlighted with the view "Playview". However, when I run the code in debugger, I can see that both CGRect frame1 = self.view.frame; CGRect frame = self.view.safeAreaLayoutGuide.layoutFrame;

give the same frame. This is not the case with a different tab view that has subviews added programmatically as opposed to this one that has them in IB.

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garygrapeapplebee
garygrapeapplebee OP
Apr ’25

I believe I found the issue - the safeAreaLayoutGuide isn't the correct value until viewDidLayoutSubviews is called.

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Tab Bar Controller Not Using Safe Area
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