Let’s create an application that uses Core Animation to drive the interface. This particular application will load all the images it finds in a folder and display them using CALayer objects (Figure 33.1).
Figure 33.1 Completed application
In Xcode, create a new project called Scattered. Make sure that Swift is selected as the Language. You will be using a storyboard in this project, so check Use Storyboards. The project will not be document-based or use Core Data.
Open ViewController.swift and make the following additions:
import Cocoa class ViewController: NSViewController ...