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SwiftUI Cookbook

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

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Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781805121732
Length 798 pages
Edition 3rd Edition
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Author (1):
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Juan C. Catalan Juan C. Catalan
Author Profile Icon Juan C. Catalan
Juan C. Catalan
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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

Adding Core Data objects from a SwiftUI view

A storage without any data in it is useless. In this recipe, we will learn how easy it is to implement a function that will add data to Core Data from a SwiftUI view.

In this recipe, we are going to implement a simple Contacts app where we can add storable contact profiles to Core Data for persistent storage.

Getting ready

Create a SwiftUI app called AddContacts.

Before you start this recipe, make sure you have completed steps 1 to 6 of the Showing Core Data objects with @FetchRequest recipe. Then, you can work on this recipe.

How to do it…

Besides adding profiles, we must present our list of already saved contacts. For this, we are going to reuse some of the code from the Showing Core Data objects with @FetchRequest recipe.

To add a contact, we are going to implement a simple modal view, presented as a sheet, with three text fields: two for the name, and one for the phone number. Let’s get started...

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