How can I use StoreKit 2 in SwiftUI

To use StoreKit 2 in SwiftUI, you can take advantage of several new features and APIs that make handling in-app purchases more efficient and user-friendly. Here are some key points from the WWDC session "What’s new in StoreKit and In-App Purchase":

1. Swift Async/Await Pattern: StoreKit 2 utilizes modern Swift language features like the async/await pattern. This allows you to perform tasks such as fetching product metadata, making purchases, and retrieving customer transaction history in a more streamlined and readable manner.

2. Subscription Picker API: You can create custom SwiftUI views to represent subscription options using the new subscription picker API. This involves creating a view for each subscription option and a button to trigger the purchase.

3. Custom Control Styles: StoreKit 2 allows you to implement custom control styles for your subscription store view. This gives you creative control over how your in-app purchases are merchandised while leveraging StoreKit's infrastructure.

4. Testing in Xcode: The session also highlights the importance of testing your in-app purchase flows using Xcode's transaction manager, which is essential for debugging and ensuring a smooth user experience.

For more detailed information, you can refer to the session What’s new in StoreKit and In-App Purchase (21:06) where these updates are discussed.