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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
Languages
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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

Filling out forms easily using Focus and Submit

Filling out forms can be tedious if the user has to manually click on each field, fill it out, and then click on the next field. An easier and faster way would be to use a button on the keyboard to navigate from one form field to the next.

In this recipe, we will create an address form with easy navigation between the various fields.

Getting ready

Create a new SwiftUI project named FocusAndSubmit.

Check the project's build settings and make sure the iOS target version is set to 15.0 or higher.

How to do it…

We add some text fields for various address fields within a VStack component and use @FocusState to navigate between them and submit the filled-out form at the end. The steps are given here:

  1. Open the ContentView.swift file and add an enum for the fields of an address:
    struct ContentView: View {
        enum AddressField{
            case streetName...
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