iOS 12 Programming for Beginners - Third Edition

Creating our PhotoFilterViewController

Now, we need to create our PhotoFilterViewController:

1. Right-click the Photo Filter folder and select New File.
2. Inside the Choose a template for your new file screen, select iOS at the top, and then Cocoa Touch Class. Then, hit Next.

3. In the options screen that appears, add the following:

New file:

• • Class: PhotoFilterViewController
  • Subclass: UIViewController
  • Also create XIB: Unchecked
  • Language: Swift

4. Click Next, and then Create.

When the file opens, delete everything after the viewDidLoad() method.

5. Then, add the following:

class PhotoFilterViewController: UIViewController {    var image: UIImage?    var thumbnail: UIImage?    let manager = FilterManager()    var selectedRestaurantID:Int? var data:[FilterItem] ...