SwiftUI

• Declarative UI framework
• Launched in 2019
• Focus on modern UI patterns:
• Single Source of Truth
• Reusable views
• Multiplatform
• Dependency Rendering
• Data Binding
• UI expressed in Swift structures
• Visual editor tooling in Xcode

Main Concepts

• App
• Scene
• View
• View Modifier
• Dependencies
  • Variables (read-only)
  • State variables
  • Environment Data
• Dimension Unit: point
• Graphical Assets: PNG, PDF, SVG