I always forget how to properly add a UIScrollView to the root view of a view controller in Interface Builder. Since, I have a poor memory, this article is a note for myself and other people who want to remind themselves how to do it.
Note: The names of objects in italics are the same ones as those used in the picture below for easy reference.
- Add a UIScrollView (Scroll View) to the Root View.
- Align trailing and leading constraints to the Safe Area.
- Align Scroll View’s bottom and top to Root View.
- Add a UIView (we’ll call it the Content View) to the scroll view as a subview.
- Align trailing, leading, top and bottom constraints of Content Layout Guide to Content View.
- Constraint Frame Layout Guide’s height and width to the Content View.
- Decrease the priority of the Frame Layout Guide ← equal heights → Content View to 250.
Here’s how the document outline should look like in your IB: