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You're reading from  SwiftUI Cookbook - Third Edition

Product typeBook
Published inDec 2023
Reading LevelIntermediate
PublisherPackt
ISBN-139781805121732
Edition3rd Edition
Languages
Swift
Tools
SwiftUI
Concepts
Design
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Author (1)
Juan C. Catalan
Juan C. Catalan
author image
Juan C. Catalan

Juan C. Catalan is a software engineer with more than 18 years of professional experience. He started mobile development back in the days of iOS 3. Juan has worked as a professional iOS developer in many industries, including medical devices, financial services, real estate, document management, fleet tracking and industrial automation. He has contributed to more than 30 published apps in the App Store, some of them with millions of users. Juan gives back to the iOS development community with technical talks, mentoring developers, reviewing technical books and now as a book author. He lives in Austin, Texas, with his wife Donna, where they spend time with their kids.
Read more about Juan C. Catalan

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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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SwiftUI Cookbook - Third Edition
Published in: Dec 2023Publisher: PacktISBN-13: 9781805121732
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Juan C. Catalan

Juan C. Catalan is a software engineer with more than 18 years of professional experience. He started mobile development back in the days of iOS 3. Juan has worked as a professional iOS developer in many industries, including medical devices, financial services, real estate, document management, fleet tracking and industrial automation. He has contributed to more than 30 published apps in the App Store, some of them with millions of users. Juan gives back to the iOS development community with technical talks, mentoring developers, reviewing technical books and now as a book author. He lives in Austin, Texas, with his wife Donna, where they spend time with their kids.
Read more about Juan C. Catalan

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