In-App purchasing demo

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 #ifndef IosINAPPPURCHASETRANSACTION_H
 #define IosINAPPPURCHASETRANSACTION_H

 #include "../inapp/inapptransaction.h"
 #include <QtCore/QString>

 #import <StoreKit/StoreKit.h>
 #import <Foundation/Foundation.h>
 #import <StoreKit/StoreKitDefines.h>

 @class SKPaymentTransaction;

 class IosInAppPurchaseBackend;

 class IosInAppPurchaseTransaction : public InAppTransaction
 {
     Q_OBJECT
 public:
     IosInAppPurchaseTransaction(SKPaymentTransaction *transaction,
                                  const TransactionStatus status,
                                  InAppProduct *product,
                                  IosInAppPurchaseBackend *backend = 0);

     void finalize();
     QString orderId() const;
     FailureReason failureReason() const;
     QString errorString() const;
     QDateTime timestamp() const;

 private:
     SKPaymentTransaction *m_nativeTransaction;
     QString m_errorString;
     FailureReason m_failureReason;
 };


 Q_DECLARE_METATYPE(IosInAppPurchaseTransaction*)

 #endif // IOSINAPPTRANSACTION_P_H