Responding to a Successful Purchase
In order to respond to a successful purchase, we had to add an instance of SKPaymentTransactionObserver to the default SKPaymentQueue back in Listing 10–2. We are now ready to look at the code that gets called when the SKPaymentQueue successfully processes a purchase, as shown in Listing 10–8.
Listing 10–8. ExtrasController.m (paymentQueue: updatedTransactions:)
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions{
for (SKPaymentTransaction* transaction in transactions){
if (transaction.transactionState == SKPaymentTransactionStatePurchased || transaction.transactionState == SKPaymentTransactionStateRestored){ NSString* productIdentifier = transaction.payment.productIdentifier; ...Get Beginning iOS 5 Games Development: Using the iOS 5 SDK for iPad, iPhone, and iPod Touch now with the O’Reilly learning platform.
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