Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
SwiftUI Cookbook

You're reading from   SwiftUI Cookbook A guide for building beautiful and interactive SwiftUI apps

Arrow left icon
Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781805121732
Length 798 pages
Edition 3rd Edition
Languages
Tools
Concepts
Arrow right icon
Author (1):
Arrow left icon
Juan C. Catalan Juan C. Catalan
Author Profile Icon Juan C. Catalan
Juan C. Catalan
Arrow right icon
View More author details
Toc

Table of Contents (20) Chapters Close

Preface 1. Using the Basic SwiftUI Views and Controls 2. Displaying Scrollable Content with Lists and Scroll Views FREE CHAPTER 3. Exploring Advanced Components 4. Viewing while Building with SwiftUI Preview in Xcode 15 5. Creating New Components and Grouping Views with Container Views 6. Presenting Views Modally 7. Navigation Containers 8. Drawing with SwiftUI 9. Animating with SwiftUI 10. Driving SwiftUI with Data 11. Driving SwiftUI with Combine 12. SwiftUI Concurrency with async await 13. Handling Authentication and Firebase with SwiftUI 14. Persistence in SwiftUI with Core Data and SwiftData 15. Data Visualization with Swift Charts 16. Creating Multiplatform Apps with SwiftUI 17. SwiftUI Tips and Tricks 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...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime