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iOS 15 Programming for Beginners

You're reading from   iOS 15 Programming for Beginners Kickstart your mobile app development journey by building iOS apps with Swift 5.5 and Xcode 13

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Product type Paperback
Published in Dec 2021
Publisher Packt
ISBN-13 9781801811248
Length 784 pages
Edition 6th Edition
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Authors (2):
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Ahmad Sahar Ahmad Sahar
Author Profile Icon Ahmad Sahar
Ahmad Sahar
Craig Clayton Craig Clayton
Author Profile Icon Craig Clayton
Craig Clayton
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Toc

Table of Contents (32) Chapters Close

Preface 1. Part 1: Swift
2. Chapter 1: Getting Familiar with Xcode FREE CHAPTER 3. Chapter 2: Simple Values and Types 4. Chapter 3: Conditionals and Optionals 5. Chapter 4: Range Operators and Loops 6. Chapter 5: Collection Types 7. Chapter 6: Functions and Closures 8. Chapter 7: Classes, Structures, and Enumerations 9. Chapter 8: Protocols, Extensions, and Error Handling 10. Part 2: Design
11. Chapter 9: Setting Up the User Interface 12. Chapter 10: Building Your User Interface 13. Chapter 11: Finishing Up Your User Interface 14. Chapter 12: Modifying and Configuring Cells 15. Part 3: Code
16. Chapter 13: Getting Started with MVC and Collection Views 17. Chapter 14: Getting Data into Collection Views 18. Chapter 15: Getting Started with Table Views 19. Chapter 16: Getting Started with MapKit 20. Chapter 17: Getting Started with JSON Files 21. Chapter 18: Displaying Data in a Static Table View 22. Chapter 19: Getting Started with Custom UIControls 23. Chapter 20: Getting Started with Cameras and Photo Libraries 24. Chapter 21: Understanding Core Data 25. Part 4: Features
26. Chapter 22: Getting Started with Mac Catalyst 27. Chapter 23: Getting Started with SwiftUI 28. Chapter 24: Getting Started with Swift Concurrency 29. Chapter 25: Getting Started with SharePlay 30. Chapter 26: Testing and Submitting Your App to the App Store 31. Other Books You May Enjoy

Storing a user-selected location

At present, the LocationDataManager class loads data from Locations.plist and stores location information in an array of strings. You will create a new structure, LocationItem, and configure the LocationDataManager class to store locations in an array of LocationItem instances. After that, you'll modify the LocationViewController class so that it can store a LocationItem instance containing the user-selected location. You can then pass this instance to the RestaurantListViewController instance in your app. Follow these steps:

  1. Right-click on the Model folder inside the Location folder and select New File.
  2. iOS should already be selected. Choose Swift File and then click Next.
  3. Name this file LocationItem. Click Create. The LocationItem file appears in the Project navigator.
  4. Click the LocationItem file and add the following after the import statement to declare and define the LocationItem structure:
    struct LocationItem { 
     ...
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