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iOS 17 Programming for Beginners - Eighth Edition

You're reading from  iOS 17 Programming for Beginners - Eighth Edition

Product type Book
Published in Oct 2023
Publisher Packt
ISBN-13 9781837630561
Pages 604 pages
Edition 8th Edition
Languages
Author (1):
Ahmad Sahar Ahmad Sahar
Profile icon Ahmad Sahar

Table of Contents (34) Chapters

Preface 1. Part 1: Swift
2. Exploring Xcode 3. Simple Values and Types 4. Conditionals and Optionals 5. Range Operators and Loops 6. Collection Types 7. Functions and Closures 8. Classes, Structures, and Enumerations 9. Protocols, Extensions, and Error Handling 10. Swift Concurrency 11. Part 2: Design
12. Setting Up the User Interface 13. Building Your User Interface 14. Finishing Up Your User Interface 15. Modifying App Screens 16. Part 3: Code
17. Getting Started with MVC and Table Views 18. Getting Data into Table Views 19. Passing Data between View Controllers 20. Getting Started with Core Location and MapKit 21. Getting Started with JSON Files 22. Getting Started with Custom Views 23. Getting Started with the Camera and Photo Library 24. Getting Started with Search 25. Getting Started with Collection Views 26. Part 4: Features
27. Getting Started with SwiftData 28. Getting Started with SwiftUI 29. Getting Started with Widgets 30. Getting Started with visionOS 31. Testing and Submitting Your App to the App Store 32. Other Books You May Enjoy
33. Index

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 AddJournalEntryViewController class after the CLLocationManagerDelegate methods:

// MARK: - UIImagePickerControllerDelegate...
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