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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 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

Untyped data-driven navigation with NavigationStack

When using a NavigationStack with data-driven navigation, we may need to navigate to views driven by different data types. One way to handle this situation would be to implement an enum type with associated values of different data types. Then, in the destination closure of the navigationDestination(for:destination:) modifier, we could have a switch statement over the different associated values, instantiating different types of views, one for each associated value. However, Apple already thought of this situation, and provides NavigationPath, a type that holds an array of type-erased data to represent the content of the navigation stack.

Getting ready

Our starting point will be the app from the previous recipe. Either duplicate the folder of the app you created in the previous recipe or download the complete code for the previous recipe from the GitHub repository.

How to do it…

  1. To illustrate the untyped data-drive navigation...
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