Implementing UIImagePickerControllerDelegate methods

The UIImagePickerControllerDelegate protocol has a set of methods that you must implement in your delegate object to interact with the image picker controller interface.

To learn more about the UIImagePickerControllerDelegate protocol, see https://developer.apple.com/documentation/uikit/uiimagepickercontrollerdelegate.

When the image picker controller appears on screen, the user has the option of selecting a photo or canceling. If the user cancels, the imagePickerControllerDidCancel(_:) method is triggered, and if the user selects a photo, the imagePickerController(_:didFinishPickingMediaWithInfo:) method is triggered.

You’ll implement these methods in your AddJournalEntryViewController class now. In the Project navigator, click the AddJournalEntryViewController file. Type the following code in the UIImagePickerControllerDelegate extension:

// MARK: - UIImagePickerControllerDelegate
func imagePickerControllerDidCancel...