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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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Concepts
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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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Toc

Table of Contents (20) Chapters Close

Preface 1. Using the Basic SwiftUI Views and Controls FREE CHAPTER 2. Displaying Scrollable Content with Lists and Scroll Views 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

Using searchable lists with scopes

In this recipe, we will improve our searchable list with the addition of the searchScopes(_:activation:_:) modifier, which allows us to narrow the scope of our searches.

The scope modifier could be useful to further reduce the scope of our search and reduce the time it takes to find an item. In our case, we have a list of food items, belonging to three different categories: meat, fruit, and vegetables. Selecting a specific scope narrows the search and gives the user a quicker way of finding the desired item.

This new modifier was introduced in iOS 16.4 and it is a nice mid-cycle addition, introduced with a minor version update of iOS. Most of the updates to iOS are usually announced in June, during the WWDC conference, and then introduced in September when the new version of iOS is released to users. However, Apple also releases new features during the year as is the case for the one we are using in this recipe.

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