Objective-C Essential Training

Introduction

• Blowing minds in the Apple ecosystem with SwiftUI
• What you should know
• A word about Swift Playgrounds 4

1. SwiftUI and Xcode Basic Concepts

• Swift review: Conditional operators and arrays
• Start a new SwiftUI project for iOS
• The code window and canvas
• Modifiers in canvas and code
• ContentView previews

2. Making Views

• Embed a Stack view
• Text views
• Image views with SF symbols
• Iteration with ForEach
• Images and assets
• Labels
• Add view
• Challenge: Add views
• Solution: Add views
• Extract subviews
• Subviews with parameters
• Challenge: Ratings view
• Solution: Ratings view

3. Modifiers

• Presenting views
• Space modifiers
• Shape modifiers
• Text modifiers
• Color modifiers
• Basic backgrounds
• Materials and shadows
• Scale modifiers
• Size modifiers
• Clean-up joined views
• Challenge: Clean up OrderView
• Solution: Clean up OrderView

4. Models and Data

• MVC versus MVVM
• State variables and buttons
• Challenge: Add a button
• Solution: Add a button
• Use binding variables
• The Identifiable protocol
• Add a model to root views
• Populating collections with List
• Selection and binding variables

5. Dynamic Models

• Create observable objects in models
• Use ObservedObject in views
• Environment variables
• System environment variables
• Challenge: Add StatusBarView
• Solution: Add StatusBarView

6. Interaction

• Toggles and steppers
• Pickers
• Moving data in pickers
• Text input
• Lazy grids
• Tap gestures
• Challenge: Favorites grid
• Solution: Favorites grid
• Animation
• Matched geometry
• Challenge: Replace MenuView
• Solution: Replace MenuVIew

7. Navigation

• Alerts
• Presenting sheets
• Tab bars
• Stack navigation
• Two-column navigation split view
• Three-column navigation split view
• List interaction
• Challenge: Debugging
• Solution: Debugging

8. Integration

• SwiftUI to storyboards
• Add UIViewControllers
• Size classes and landscape

Conclusion

• Next steps