Cut Out Shape with Animation

Question

I want to do something similar to the following:

How to mask an image in IOS sdk?

I want to cover the entire screen with translucent black. Then, I want to c

Answer 1

If you just want something that is plug and play, I added a library to CocoaPods that allows you to create overlays with rectangular/circular holes, allowing the user to interact with views behind the overlay. It is a Swift implementation of similar strategies used in other answers. I used it to create this tutorial for one of our apps:

The library is called TAOverlayView, and is open source under Apache 2.0.

Note: I haven't implemented moving holes yet (unless you move the entire overlay as in other answers).