Author: Sean Allen
Video URL: How to Animate with Auto Layout Constraints
Introduction: In this video we walk through how to create animations by adjusting the auto layout constraints and object, such as a UIImageView, UIButton, etc… This tutorial was done in Swift 4.2 and Xcode 10.
Add IBoutlet of constraints by ctrl+drag
Ways to animate with auto layout constraints
Add IBoutlet of the target constraint, and change its values, then update.