Hacking with Swift Tutorial #2: Asset catalogs, UIButton, CALayer, UIColor, UIAlertController
- Make a game using UIKit, and learn about integers, buttons, colors and actions.
- Learn @2x and @3x images, asset catalogs, integers, doubles, floats, operators (+=, ++, and --), UIButton, enums, CALayer, UIColor, random numbers, actions, string interpolation, UIAlertController.