How to create separate UI for Landscape and Portrait?

Question

Is there any good tutorial that shows how to create a UI like the one on iPhone\'s calculator? It looks to me that it has two different views in the same initial ViewController

Answer 1

You should be familiar with autolayout and size classes. This is good tutorial https://makeapppie.com/2016/09/05/an-introduction-to-size-classes-for-xcode-8/