Error Handling

Phase 1: Understand

With raw Google Play Billing you enumerate every BillingResponseCode, split them into retriable and non retriable groups, and build backoff retry logic. RevenueCat collapses this into a single type you deal with: PurchasesError.

public class PurchasesError(
    val code: PurchasesErrorCode,
    val underlyingErrorMessage: String? = null,
) {
    val message: String // technical description, for logs
}

Key facts you rely on: