What does that mean for you, the developer? Trust the Payment Queue Apple emphasizes that the payment queue your application has access to is the single source of truth with regards to the transactions the user makes in your application. Your application uses it to communicate with the App Store, process purchases, and observe the state of the transactions associated with those purchases.Ī mistake developers sometimes make is caching transactions or storing transactions for later use. The SKPaymentQueue class is a key member of the StoreKit framework. In this tutorial, I focus on five common mistakes developers make when using the StoreKit framework in a Cocoa project.
As with many other frameworks, such as Core Data, you need to understand the ins and outs of the framework to avoid common mistakes. The StoreKit framework has been around for many years and I actually enjoy working with it.
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