StoreKit框架中几种重要的类及协议类图

SKPaymentTransaction

NSError *errorSKPaymentTransaction *originalTransactionSKPayment *paymentNSArray *downloads //iOS6NSDate *transactionDateNSString *transactionIdentifierNSData *transactionReceiptSKPaymentTransactionState transactionState

SKPaymentQueue

NSArray *transactions--------------------------------------------------------------------------------------------------------------------------------------------+ (SKPaymentQueue *)defaultQueue+ (BOOL)canMakePayments- (void)addPayment:(SKPayment *)payment- (void)restoreCompletedTransactions- (void)finishTransaction:(SKPaymentTransaction *)transaction- (void)addTransactionObserver:(id )observer- (void)removeTransactionObserver:(id )observer/*iOS6*/- (void)startDownloads:(NSArray *)downloads- (void)pauseDownloads:(NSArray *)downloads- (void)resumeDownloads:(NSArray *)downloads- (void)cancelDownloads:(NSArray *)downloads- (void)restoreCompletedTransactionsWithApplicationUsername:(NSString *)username //iOS7

SKReceiptRefreshRequest（ios7）

NSDictionary *receiptProperties

- (id)initWithReceiptProperties:(NSDictionary *)properties

SKProductsResponse

NSArray *productsNSArray *invalidProductIdentifiers

SKPayment

+ (id)paymentWithProduct:(SKProduct *)product

SKRequestDelegate

- (void)requestDidFinish:(SKRequest *)request- (void)request:(SKRequest *)request didFailWithError:(NSError *)error

StoreKit框架中几种重要的类及协议

SKProductsRequestDelegate

- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response

SKPaymentTransactionObserver

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions- (void)paymentQueue:(SKPaymentQueue *)queue removedTransactions:(NSArray *)transactions- (void)paymentQueue:(SKPaymentQueue *)queue restoreCompletedTransactionsFailedWithError:(NSError *)error- (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue- (void)paymentQueue:(SKPaymentQueue *)queue updatedDownloads:(NSArray *)downloads

SKProductsRequest

id delegate

- (id)initWithProductIdentifiers:(NSSet *)productIdentifiers

SKDownload（iOS6）

SKDownloadState downloadStatelong long contentLengthNSString *contentIdentifierNSURL *contentURLNSString *contentVersionNSError *errorfloat progressNSTimeInterval timeRemainingSKPaymentTransaction *transaction

SKProduct

NSString *localizedDescriptionNSString *localizedTitleNSDecimalNumber *priceNSString *productIdentifier======iOS6.0========BOOL downloadableNSArray *downloadContentLengthsNSString *downloadContentVersion

SKRequest

- (void)cancel- (void)start