Book Image

SwiftUI Cookbook - Third Edition

By : Juan C. Catalan
5 (1)
Book Image

SwiftUI Cookbook - Third Edition

5 (1)
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)
18
Other Books You May Enjoy
19
Index

Filling out forms easily using Focus and Submit

Filling out forms can be tedious if the user must 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
        case city
        case state
        case zipCode
    }
    // ...
}
  1. Below...