iPhone - in-app purchase testing for failure
问题 Apple states that all apps using in-app purchases have to put this [[SKPaymentQueue defaultQueue] addTransactionObserver:self.observer]; at the beginning of the app to handle for any successful sale that for some reason the device has not received the confirmation to release the content. I am trying to test this, trying to call the phone when it is about to finish the transaction, quitting the application or stopping Xcode before the transaction finish, but for some reason, even when I quit