Building a titleView programmatically with constraints (or generally constructing a view with constraints)

Question

I\'m trying to build a titleView with constraints that looks like this:

I know how I would do

Answer 1

You have to set the frame of titleView because you don't specify any constraints for its position in its superview. The Auto Layout system can only figure out the size of titleView for you from the constraints you specified and the intrinsic content size of its subviews.