How should a mid level react developer who loves iOS and wants to learn swift UI get started?

To get started with SwiftUI as a mid-level React developer who loves iOS, you can follow these steps:

Launch Xcode: Begin by installing Xcode, Apple's integrated development environment (IDE). This is where you'll write and test your SwiftUI code.
Start with Tutorials: Apple provides a range of tutorials that guide you through building different apps using SwiftUI. These tutorials are a great way to get hands-on experience and understand the basics of SwiftUI.
Watch Introductory Videos: A good starting point is the SwiftUI essentials session from WWDC. This session covers the basics of SwiftUI, including its declarative syntax and how it integrates with Apple's platforms.
Understand the Fundamentals: Learn the fundamentals of views in SwiftUI. This includes understanding how views are composed and how state management works. You can find this in the "Fundamentals of views" chapter of the SwiftUI essentials session.
Explore Built-in Capabilities: SwiftUI comes with a wide range of built-in capabilities that allow you to create rich, interactive applications with less code. The "Built-in capability" chapter in the SwiftUI essentials session is a good resource.
Cross-Platform Development: SwiftUI allows you to build apps that work across all Apple platforms. The "Across all platforms" chapter in the SwiftUI essentials session explains how you can leverage this to create adaptive views and scenes.
SDK Interoperability: Learn how SwiftUI integrates with other frameworks and SDKs. This is covered in the "SDK interoperability" chapter of the SwiftUI essentials session.
Incremental Adoption: You don't need to rewrite your entire app in SwiftUI. You can incrementally adopt SwiftUI in your existing projects. This approach is highlighted in the SwiftUI essentials session.
Advanced Features: Once you're comfortable with the basics, explore more advanced features like custom animations, custom containers, and scrolling customizations. These are discussed in the Platforms State of the Union session.
Community and Documentation: Engage with the SwiftUI community and make use of the extensive documentation available on Apple's developer site. This will help you stay updated with the latest features and best practices.

By following these steps, you'll be well on your way to becoming proficient in SwiftUI and building great iOS apps.