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An iOS Developer's Guide to SwiftUI

You're reading from   An iOS Developer's Guide to SwiftUI Design and build beautiful apps quickly and easily with minimum code

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Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781801813624
Length 446 pages
Edition 1st Edition
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Author (1):
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Michele Fadda Michele Fadda
Author Profile Icon Michele Fadda
Michele Fadda
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Table of Contents (25) Chapters Close

Preface 1. Part 1: Simple Views FREE CHAPTER
2. Chapter 1: Exploring the Environment – Xcode, Playgrounds, and SwiftUI 3. Chapter 2: Adding Basic UI Elements and Designing Layouts 4. Chapter 3: Adding Interactivity to a SwiftUI View 5. Part 2: Scrollable Views
6. Chapter 4: Iterating Views, Scroll Views, FocusState, Lists, and Scroll View Reader 7. Chapter 5: The Art of Displaying Grids 8. Part 3: SwiftUI Navigation
9. Chapter 6: Tab Bars and Modal View Presentation 10. Chapter 7: All About Navigation 11. Part 4: Graphics and Animation
12. Chapter 8: Creating Custom Graphics 13. Chapter 9: An Introduction to Animations in SwiftUI 14. Part 5: App Architecture
15. Chapter 10: App Architecture and SwiftUI Part I: Practical Tools 16. Chapter 11: App Architecture and SwiftUI Part II – the Theory 17. Part 6: Beyond Basics
18. Chapter 12: Persistence with Core Data 19. Chapter 13: Modern Structured Concurrency 20. Chapter 14: An Introduction to SwiftData 21. Chapter 15: Consuming REST Services in SwiftUI 22. Chapter 16: Exploring the Apple Vision Pro 23. Index 24. Other Books You May Enjoy

Exploring changes in the binding mechanisms

  1. With iOS 17, iPadOS 17, macOS 14, tvOS 17, watchOS 10, and visionOS 1.0, SwiftUI bindings have been simplified. To support these changes, you should perform the following tips on any existing code you want to modernize:
    • Rather than using ObservableObject and StateObject, it is now possible to use the Observation pattern (https://developer.apple.com/documentation/observation/). If you already have code that was written for previous versions of the operating systems, you should replace classes inheriting from ObservableObject and StateObject with classes marked with the @Observable macro.

      You should perform this change incrementally; it is not wise to change all your code base in one go. Notice that the @Observable macro can only be applied to classes, not value types such as enums and structs.

      The properties of an @Observable class, if they are visible, are all observable. They don’t need any more to be marked as @Published; the accessibility...

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