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SwiftUI Cookbook

You're reading from   SwiftUI Cookbook A guide to solving the most common problems and learning best practices while building SwiftUI apps

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Product type Paperback
Published in Nov 2021
Publisher Packt
ISBN-13 9781803234458
Length 616 pages
Edition 2nd Edition
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Authors (2):
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Giordano Scalzo Giordano Scalzo
Author Profile Icon Giordano Scalzo
Giordano Scalzo
Edgar Nzokwe Edgar Nzokwe
Author Profile Icon Edgar Nzokwe
Edgar Nzokwe
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Toc

Table of Contents (17) Chapters Close

Preface 1. Chapter 1: Using the Basic SwiftUI Views and Controls 2. Chapter 2: Going Beyond the Single Component with Lists and Scroll Views FREE CHAPTER 3. Chapter 3: Exploring Advanced Components 4. Chapter 4: Viewing while Building with SwiftUI Preview 5. Chapter 5: Creating New Components and Grouping Views with Container Views 6. Chapter 6: Presenting Extra Information to the User 7. Chapter 7: Drawing with SwiftUI 8. Chapter 8: Animating with SwiftUI 9. Chapter 9: Driving SwiftUI with Data 10. Chapter 10: Driving SwiftUI with Combine 11. Chapter 11: SwiftUI Concurrency with async await 12. Chapter 12: Handling Authentication and Firebase with SwiftUI 13. Chapter 13: Handling Core Data in SwiftUI 14. Chapter 14: Creating Cross-Platform Apps with SwiftUI 15. Chapter 15: SwiftUI Tips and Tricks 16. Other Books You May Enjoy

Chapter 3: Exploring Advanced Components

In the previous chapters, we learned about the essential components of SwiftUI and how they can be put together to design great-looking apps. In this chapter, we'll discuss how to display large datasets efficiently by making use of SwiftUI's lazy stacks and lazy grids.

Lazy loaded views only load a subset of their content, the subset of items currently being displayed, and the content immediately preceding or succeeding the displayed subset.

We'll also learn how to present hierarchical data in an expandable list with sections. Finally, we'll introduce one of my favorite iOS features that's only available in SwiftUI Widgets. By the end of this chapter, you will be able to build apps that present large datasets and use collapsible lists and widgets.

In this chapter, we will cover the following recipes:

  • Using LazyHStack and LazyVStack
  • Displaying tabular content with LazyHGrid and LazyVGrid
  • Scrolling...
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