I recently bumped my minimum iOS version to 16. What are some good new options I have in SwiftUI?

Asked on 09/24/2024

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With iOS 16, you have several new options in SwiftUI that can enhance your app development experience. Here are some highlights:

  1. Graphics Capabilities: SwiftUI introduces new graphics capabilities, such as the ability to mix colors using a new mix modifier on color. This allows for more dynamic and visually appealing designs.

  2. Custom Shaders: The custom shader feature has been extended to allow precompilation of shaders, which helps avoid frame drops caused by lazy shader compilation.

  3. Scroll View Enhancements: There are new APIs for scroll views, providing fine-grained control. You can now react to changes in content, offsets, and content size with the onScrollGeometryChange modifier. This is useful for creating dynamic UI elements like a "back to top" button that appears when scrolling past certain content.

  4. View Visibility Detection: SwiftUI now allows you to detect when a view's visibility changes due to scrolling. This can be used to create experiences centered around content moving on or off-screen, such as auto-playing videos.

  5. Custom Containers and Mesh Gradients: New features like custom containers and mesh gradients offer more flexibility and creativity in UI design.

  6. Interoperability: SwiftUI has improved interoperability with UIKit and AppKit, allowing for better integration and use of gesture recognizers and animations across these frameworks.

For more detailed information, you can refer to the session What’s new in SwiftUI (16:18) which covers scrolling enhancements and other new features.