Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying SwiftUI Cookbook
  • Table Of Contents Toc
  • Feedback & Rating feedback
SwiftUI Cookbook

SwiftUI Cookbook - Third Edition

By : Juan C. Catalan
5 (19)
close
close
SwiftUI Cookbook

SwiftUI Cookbook

5 (19)
By: Juan C. Catalan

Overview of this book

SwiftUI is the modern way to build user interfaces for iOS, macOS, and watchOS. It provides a declarative and intuitive way to create beautiful and interactive user interfaces. The new edition of this comprehensive cookbook includes a fully updated repository for SwiftUI 5, iOS 17, Xcode 15, and Swift 5.9. With this arsenal, it teaches you everything you need to know to build beautiful and interactive user interfaces with SwiftUI 5, from the basics to advanced topics like custom modifiers, animations, and state management. In this new edition, you will dive into the world of creating powerful data visualizations with a new chapter on Swift Charts and how to seamlessly integrate charts into your SwiftUI apps. Further, you will be able to unleash your creativity with advanced controls, including multi-column tables and two-dimensional layouts. You can explore new modifiers for text, images, and shapes that give you more control over the appearance of your views. You will learn how to develop apps for multiple platforms, including iOS, macOS, watchOS, and more. With expert insights, real-world examples, and a recipe-based approach, you’ll be equipped to build remarkable SwiftUI apps that stand out in today’s competitive market.
Table of Contents (20 chapters)
close
close
18
Other Books You May Enjoy
19
Index

Integrating SwiftUI and an async function

As mentioned in the introduction of this chapter, the async await model fits well with the SwiftUI model.

SwiftUI views offer support for calling asynchronous functions. Also, while a function is concurrently executing, we can change the view without having it blocked.

In this short recipe, we’ll integrate an async function that suspends its execution for a few seconds and, at the same time, verify that the UI interaction is not blocked, and we can use a button to increase a counter shown in the view.

Getting ready

Create a SwiftUI app called AsyncAwaitSwiftUI.

How to do it…

We will create a simple app with a button that increases a counter and an asynchronous function that blocks for 5 seconds before returning a value to be presented in the view.

The steps are as follows:

  1. Create a Service class with the following two functions:
    class Service {    
        func fetchResult() async -...
Visually different images
CONTINUE READING
83
Tech Concepts
36
Programming languages
73
Tech Tools
Icon Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.
Icon Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.
Icon 50+ new titles added per month and exclusive early access to books as they are being written.
SwiftUI Cookbook
notes
bookmark Notes and Bookmarks search Search in title playlist Add to playlist download Download options font-size Font size

Change the font size

margin-width Margin width

Change margin width

day-mode Day/Sepia/Night Modes

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY

Submit Your Feedback

Modal Close icon
Modal Close icon
Modal Close icon