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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 the Restaurant List screen

When using storyboards, you modify attributes of a view using the Attributes inspector. In SwiftUI, you can modify either your code or the preview in the canvas. As you have seen, changing the code in the ContentView file will immediately update the preview, and modifying the preview will update the code.

Let's customize the ContentView structure to display the data of a particular restaurant. Follow these steps:

  1. Click the Library button. Type tex in the filter field, and drag a Text view to the canvas and drop it under the Lets Eat text:

Figure 23.9: Library with Text object to be dragged

  1. Xcode has automatically added code to the ContentView file for this text view. Verify that your code looks like this:
    struct ContentView: View {
       var body: some View { 
          VStack {
             Text("Lets Eat").padding...
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