UIButton subclass which performs animation on selection. Check it out!

note: please nevermind the quality of the selected buttons. it looks perfect on iphone or simulator. gif reduces the quality

There are 4 different custom subclusses of UIButton. Hope it will be useful for you.

1. Choose the animation you like.
2. Clone or Download ButtonSelectionAnimation github repo.
3. Assign the chosen custom class to the button you want to animate. Custom classes are located in Extension folder.
4. Check out ViewController.swift class to see how to simply implement the animation into your code.
5. Done! Enjoy the button animation :)