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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

Creating a custom Group Activity

You have seen that the ShareOrder app lets you add orders which will be displayed on the screen. You will add a group activity for this app that lets participants add orders during a SharePlay session which will appear on every participant's screen. A custom object is required to represent this activity. The steps required to implement this are as follows:

  • Add the Group Activities entitlement to the ShareOrder app.
  • Create a new structure named ShareOrder that conforms to the GroupActivity protocol, and configure the group activity metadata.
  • Add a button to the ShareOrder app's user interface and add an action for this button to activate the group activity.

    Important Information

    You can learn more about creating a custom Group Activity at this link: https://developer.apple.com/documentation/groupactivities/inviting-participants-to-share-an-activity.

Let's start by adding the Group Activities entitlement to the ShareOrder...

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