In this beginning iOS animations course, you’ll learn how to create delightful animations in iOS. Start with simple animations using Auto Layout constraints, and then move to complex animations including springs, keyframes, view transitions, and more!
However when the app enters background and then comes back to foreground, the animation is stopped and it does not play nor it resumes itself. How to resume the animation?
This is a bit outside the scope of our animation courses. If you have a looping animation, the complexity of the answer depends on whether or not you want to resume the animation from exactly where it left off when the app entered the background, which would involve dropping down to layer animations, or if you just want to start the animation anew.