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You're reading from SwiftUI Essentials – iOS 14 Edition Developing iOS Apps Using SwiftUI, Swift 5, and Xcode 12

Product type Paperback

Published in May 2021

Publisher Packt

ISBN-13 9781801813228

Length 494 pages

Edition 1st Edition

Languages

Swift

Tools

iOS

Concepts

iOS Development

Author (1):

Neil Smyth

View More author details

Table of Contents (56) Chapters

1. Start Here

2. Joining the Apple Developer Program FREE CHAPTER

3. Installing Xcode 12 and the iOS 14 SDK

4. An Introduction to Xcode 12 Playgrounds

5. Swift Data Types, Constants and Variables

6. Swift Operators and Expressions

7. Swift Control Flow

8. The Swift Switch Statement

9. Swift Functions, Methods and Closures

10. The Basics of Swift Object-Oriented Programming

11. An Introduction to Swift Subclassing and Extensions

12. An Introduction to Swift Structures and Enumerations

13. An Introduction to Swift Property Wrappers

14. Working with Array and Dictionary Collections in Swift

15. Understanding Error Handling in Swift 5

16. An Overview of SwiftUI

17. Using Xcode in SwiftUI Mode

18. SwiftUI Architecture

19. The Anatomy of a Basic SwiftUI Project

20. Creating Custom Views with SwiftUI

21. SwiftUI Stacks and Frames

22. SwiftUI State Properties, Observable, State and Environment Objects

23. A SwiftUI Example Tutorial

24. SwiftUI Lifecycle Event Modifiers

25. SwiftUI Observable and Environment Objects – A Tutorial

26. SwiftUI Data Persistence using AppStorage and SceneStorage

27. SwiftUI Stack Alignment and Alignment Guides

28. SwiftUI Lists and Navigation

29. A SwiftUI List and Navigation Tutorial

30. An Overview of List, OutlineGroup and DisclosureGroup

31. A SwiftUI List, OutlineGroup and DisclosureGroup Tutorial

32. Building SwiftUI Grids with LazyVGrid and LazyHGrid

33. Building Tabbed and Paged Views in SwiftUI

34. Building Context Menus in SwiftUI

35. Basic SwiftUI Graphics Drawing

36. SwiftUI Animation and Transitions

37. Working with Gesture Recognizers in SwiftUI

38. Creating a Customized SwiftUI ProgressView

39. An Overview of SwiftUI DocumentGroup Scenes

40. A SwiftUI DocumentGroup Tutorial

41. An Introduction to SiriKit

42. A SwiftUI SiriKit Messaging Extension Tutorial

43. Customizing the SiriKit Intent User Interface

44. A SwiftUI SiriKit NSUserActivity Tutorial

45. An Overview of Siri Shortcut App Integration

46. A SwiftUI Siri Shortcut Tutorial

47. Building Widgets with SwiftUI and WidgetKit

48. A SwiftUI WidgetKit Tutorial

49. Supporting WidgetKit Size Families

50. A SwiftUI WidgetKit Deep Link Tutorial

51. Adding Configuration Options to a WidgetKit Widget

52. Integrating UIViews with SwiftUI

53. Integrating UIViewControllers with SwiftUI

54. Integrating SwiftUI with UIKit

55. Preparing and Submitting an iOS 14 Application to the App Store

Index

48.5 Adding the Widget Data

Now that the widget extension has been added to the project, the next step is to add some data and data structures that will provide the basis for the widget timeline. Begin by right-clicking on the Shared folder in the project navigator and selecting the New File… menu option.

From the template selection panel, select the Swift File entry, click on the Next button and name the file WeatherData.swift. Before clicking on the Create button, make sure that the WeatherWidgetExtension entry is enabled in the Targets section of the panel as shown in Figure 48-7 so that the file will be accessible to the extension:

Figure 48-7

As outlined in the previous chapter, each point in the widget timeline is represented by a widget timeline entry instance. Instances of this structure contain the date and time that the entry is to be presented by the widget, together with the data to be displayed. Within the WeatherData.swift file, add a TimelineEntry...

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You're reading from SwiftUI Essentials – iOS 14 Edition Developing iOS Apps Using SwiftUI, Swift 5, and Xcode 12

Table of Contents (56) Chapters

Authors (1)

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You're reading from SwiftUI Essentials – iOS 14 Edition Developing iOS Apps Using SwiftUI, Swift 5, and Xcode 12

Table of Contents (56) Chapters

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Authors (1)

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