CALayer Tutorial for iOS: Getting StartedAs you probably know, everything you see in an iOS app is a view. There are button views, table views, slider views and even parent views that contain other views! But what you might not know is that each view in iOS is backed by another class called a layer — a CALayer, to be specific. In this article, you’ll build the Layer Player app. In the process, you’ll learn: What a CALayer is and how it w
