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iOS 17 Programming for Beginners

You're reading from   iOS 17 Programming for Beginners Unlock the world of iOS development with Swift 5.9, Xcode 15, and iOS 17 – your path to App Store success

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Product type Paperback
Published in Oct 2023
Publisher Packt
ISBN-13 9781837630561
Length 604 pages
Edition 8th Edition
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Authors (2):
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Ian Lockett Ian Lockett
Author Profile Icon Ian Lockett
Ian Lockett
Ahmad Sahar Ahmad Sahar
Author Profile Icon Ahmad Sahar
Ahmad Sahar
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Table of Contents (34) Chapters Close

Preface 1. Part 1: Swift
2. Exploring Xcode FREE CHAPTER 3. Simple Values and Types 4. Conditionals and Optionals 5. Range Operators and Loops 6. Collection Types 7. Functions and Closures 8. Classes, Structures, and Enumerations 9. Protocols, Extensions, and Error Handling 10. Swift Concurrency 11. Part 2: Design
12. Setting Up the User Interface 13. Building Your User Interface 14. Finishing Up Your User Interface 15. Modifying App Screens 16. Part 3: Code
17. Getting Started with MVC and Table Views 18. Getting Data into Table Views 19. Passing Data between View Controllers 20. Getting Started with Core Location and MapKit 21. Getting Started with JSON Files 22. Getting Started with Custom Views 23. Getting Started with the Camera and Photo Library 24. Getting Started with Search 25. Getting Started with Collection Views 26. Part 4: Features
27. Getting Started with SwiftData 28. Getting Started with SwiftUI 29. Getting Started with Widgets 30. Getting Started with visionOS 31. Testing and Submitting Your App to the App Store 32. Other Books You May Enjoy
33. Index

Adding a widget to your Home and Lock screens

Up until now, you’ve been testing your widget using the JRNLWidgetExtension scheme. You’ll now use the JRNL scheme and see how to add widgets to the Home and Lock Screens.

Follow these steps:

  1. Select the JRNL scheme and iPhone SE (3rd generation) from the Scheme menu:

Figure 25.16: Scheme menu with JRNL and iPhone SE selected

  1. Build and run your app, and add a few journal entries through the app. Then, stop your app.
  2. In Simulator, choose Home from the Device menu. You should see the JRNL widget on the screen:

Figure 25.17: Simulator showing the JRNL widget on the Home screen

  1. If you don’t see the JRNL widget, touch and hold the Home screen background until all the apps on the screen display a badge.
  2. Tap the + button at the top right of the screen to open the widget gallery.
  3. Search for the JRNL widget, tap it, then tap Add Widget...
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