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SwiftUI Cookbook

SwiftUI Cookbook - Third Edition

By : Juan C. Catalan
5 (19)
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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)
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18
Other Books You May Enjoy
19
Index

Deleting Core Data objects from a SwiftUI view

How can you delete objects from a Core Data repository? Removing objects is almost as important as adding them. In this recipe, we’ll learn how to integrate the Core Data delete options into a SwiftUI app.

Getting ready

Create a SwiftUI app called DeleteContacts.

Before we start this recipe, make sure you have completed steps 1 to 10 of the Showing Core Data objects with @FetchRequest recipe. Then, you can complete this recipe.

How to do it…

We are going to reuse part of the code provided in the Showing Core Data objects with @FetchRequest recipe. Please refer to that recipe if you want to find out more.

Let’s get started:

  1. Switch to the App struct and inject the instance of CoreDataStack into the Environment. After this change, the body variable should be as follows:
    var body: some Scene {
        WindowGroup {
            ContentView()
                .environment(\.managedObjectContext...
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SwiftUI Cookbook
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