The document discusses code for implementing in-app purchases using StoreKit in iOS. It includes code for checking payment capabilities, making product requests, adding transaction observers, handling purchase buttons, updating transactions, restoring purchases, and displaying alerts.

1. StoreKit
2011/10/30
saku2saku

10. - (void)viewDidLoad {
! if ([SKPaymentQueue canMakePayments]) {
! !
! ! NSSet *itemIdentifiersSet = [NSSet setWithObjects:
! ! ! ! ! ! ! ! ! ITEM_IDENTIFIER_1,ITEM_IDENTIFIER_2,
! ! ! ! ! ! ! ! ! ITEM_IDENTIFIER_3,ITEM_IDENTIFIER_4,
! ! ! ! ! ! ! ! ! ITEM_IDENTIFIER_5,
! ! ! ! ! ! ! ! ! nil];
! ! SKProductsRequest *request = [[SKProductsRequest alloc]
initWithProductIdentifiers:itemIdentifiersSet];
! ! request.delegate = self;
! ! [request start];
! } else {
! ! UIAlertView *alertView = [[[UIAlertView alloc] init]
autorelease];
! ! [alertView show];
! }
}

11. #pragma mark -
#pragma mark SKProductsRequestDelegate
- (void) productsRequest:(SKProductsRequest *)request
! didReceiveResponse:(SKProductsResponse *)response {
! for (SKProduct *product in response.products) {
! ! [itemIdentifiers addObject:product];
! }
! [request autorelease];
! [loadingView removeFromSuperview];
! [self.tableView reloadData];
}

12. observer = [[ProductBuyingObserver alloc] init];
! [[SKPaymentQueue defaultQueue] addTransactionObserver:observer];
or
! [[SKPaymentQueue defaultQueue] addTransactionObserver: self];

13. - (void) pushBuyButton {
! LOG_DEBUG(@"buy :%@", itemIdentifier);
! SKPayment *payment = [SKPayment paymentWithProductIdentifier:itemIdentifier];
! [[SKPaymentQueue defaultQueue] addPayment:payment];
}

14. - (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:
(NSArray *)transactions {
! for (SKPaymentTransaction *transaction in transactions) {
! ! switch (transaction.transactionState) {
! ! ! case SKPaymentTransactionStatePurchasing:
!//
! ! ! ! break;! ! ! !
! ! ! case SKPaymentTransactionStatePurchased:
!
//
! ! ! ! break;
! ! ! case SKPaymentTransactionStateFailed:
!
//
! ! ! ! break;
! ! ! case SKPaymentTransactionStateRestored:
!
//
! ! ! ! break;
! ! ! default:
! ! ! ! break;
! ! }
! }
}

15. ! ! case 2:
! ! {
! ! ! if ([SKPaymentQueue canMakePayments]) {
! ! ! ! [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
! ! ! ! [[SKPaymentQueue defaultQueue] restoreCompletedTransactions];
! ! ! } else {
! ! ! ! UIAlertView *alertView = [[[UIAlertView alloc] init] autorelease];
! ! ! ! [alertView show];
! ! ! }
! ! ! break;
! ! }

16. - (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:
(NSArray *)transactions {
! for (SKPaymentTransaction *transaction in transactions) {
! ! switch (transaction.transactionState) {
! ! ! case SKPaymentTransactionStatePurchasing:
!//
! ! ! ! break;! ! ! !
! ! ! case SKPaymentTransactionStatePurchased:
!
//
! ! ! ! break;
! ! ! case SKPaymentTransactionStateFailed:
!
//
! ! ! ! break;
! ! ! case SKPaymentTransactionStateRestored:
!
//
! ! ! ! break;
! ! ! default:
! ! ! ! break;
! ! }
! }
}

17. - (void) paymentQueueRestoreCompletedTransactionsFinished: (SKPaymentQueue *) queue {
! [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
! [alertView show];
! LOG_DEBUG(@"method called!");
}
- (void) paymentQueue:(SKPaymentQueue *)queue
restoreCompletedTransactionsFailedWithError:(NSError *) error {
! [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
! [alertView show];
! LOG_DEBUG(@"method called!");
}

19. {
! "signature" = "AkWUo ";
! "purchase-info" = "ewoJI ";
! "environment" = "Sandbox";
! "pod" = "100";
! "signing-status" = "0";
}

20. {
! "item-id" = "471702051";
! "original-transaction-id" = "1000000010942512";
! "purchase-date" = "2011-10-23 07:15:02 Etc/GMT";
! "product-id" = "com.comitter.sampleapp.sample3";
! "transaction-id" = "1000000010942512";
! "quantity" = "1";
! "original-purchase-date" = "2011-10-23 07:15:02 Etc/GMT";
! "bid" = "com.comitter.sample2";
! "bvrs" = "1.0";
}