What is the correct way to auto expand a UIButton to the width of an interface on orientation change

Question

I am trying to automatically expand a UIButton width to the width of an interface upon orientation change.

Does anyone have working code for this? I have tried using AutoResizing mask, but perhaps I'm not using the correct one.

Answer 1

There's multiple ways of doing this. In your view controller sub class overrride -willAnimateRotationToInterfaceOrientation:duration: or -willRotateToInterfaceOrientation:duration:

You could also override -viewWillLayoutSubviews and then adjust the frame depending on the orientation by querying self.interfaceOrientation .

And change the size of the button in that method, either by adjusting the constraints or changing the frame of the button.