Why does Autoresizing disappear when constraints are added?

Question

When you create a new label in the storyboard, the Size Inspector menu looks like this:

But as soon as you add constraints, the Autoresizing disappears:

Why does this happen? Is it impossible for an item to be resizeable while constrained?

Answer 1

No , it's not possible these are 2 separate ways to layout an element you can't have both at the same time , either with the old springs and struts ( Discouraged now ) or using auto-layout ( Recommended ) and that for pretty a lot of limitations regarding the old way look here discussing some problems