What are performance tuning for StoreKit 2 in Swift?

Performance tuning for StoreKit 2 in Swift is essential for ensuring that in-app purchases run smoothly and efficiently. Below are some tips and examples to enhance performance:

1. Use Asynchronous Calls

Utilize asynchronous methods for fetching products and transactions to keep the user interface responsive.

// Example of fetching products asynchronously import StoreKit func fetchProducts() async { do { let products = try await Product.products(for: ["your_product_id"]) // Handle the products (update UI, etc.) } catch { print("Failed to fetch products: \(error)") } }

2. Cache Product Information

Cache fetched product information to reduce fetch time for subsequent requests.

// Example of caching product information var cachedProducts: [Product] = [] func fetchAndCacheProducts() async { do { let products = try await Product.products(for: ["your_product_id"]) cachedProducts = products // caching } catch { print("Failed to fetch and cache products: \(error)") } }

3. Efficiently Handle Transactions

Process transactions efficiently by using a dedicated transaction observer.

// Example of a transaction observer class TransactionObserver: NSObject, ProductTransactionObserver { func productTransactionUpdated(_ transaction: ProductTransaction) async { // Process the transaction (fulfillment logic here) } } let transactionObserver = TransactionObserver() Task { await TransactionObserver.observeTransactions() }

StoreKit 2 Swift Performance Tuning In-App Purchases Asynchronous Calls Product Caching Transaction Processing

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