ui state
Asked on 06/09/2025
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The concept of "UI state" is discussed in several sessions from WWDC 2024, particularly in the context of SwiftUI and CarPlay.
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SwiftUI Essentials: SwiftUI is designed to be state-driven, meaning that when your view state changes, SwiftUI automatically updates the UI. This eliminates boilerplate code and reduces update bugs. SwiftUI manages the storage of state and provides it back for the view to read and write, allowing for dynamic and responsive interfaces. You can learn more about this in the SwiftUI essentials session.
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Meet the Next Generation of CarPlay Architecture: The next generation of CarPlay relies on the vehicle state to provide up-to-date information, which is then reflected in the UI. The vehicle state protocol is used to configure the UI, ensuring it matches the unique capabilities of the car and remains responsive to changes in vehicle conditions or user interactions. This is discussed in the Meet the next generation of CarPlay architecture session.
These sessions highlight the importance of state management in creating dynamic and responsive user interfaces across different platforms and applications.
Meet the next generation of CarPlay architecture
Dive into the architecture for the next generation of CarPlay. Learn how your vehicle system works with iPhone to create a single cohesive experience that showcases the best of your car and iPhone. Learn how UI is rendered and composited, and explore ways to configure and customize a special experience for each vehicle model. This session is intended for automakers and system developers interested in the next generation of CarPlay.
SwiftUI essentials
Join us on a tour of SwiftUI, Apple’s declarative user interface framework. Learn essential concepts for building apps in SwiftUI, like views, state variables, and layout. Discover the breadth of APIs for building fully featured experiences and crafting unique custom components. Whether you’re brand new to SwiftUI or an experienced developer, you’ll learn how to take advantage of what SwiftUI has to offer when building great apps.
Enhance your UI animations and transitions
Explore how to adopt the zoom transition in navigation and presentations to increase the sense of continuity in your app, and learn how to animate UIKit views with SwiftUI animations to make it easier to build animations that feel continuous.