swift2で「Type 'クラス名' does not conform to protocol 'SKPaymentTransactionObserver'」のエラーが発生 swift1.2swift2.2 storekitSKPaymentTransactionObserver Type '' does not conform to protocol 'SKPaymentTransactionObserver' SKPaymentTransactionObserver paymentQueue(queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) optional paymentQueue(queue: SKPaymentQueue!, restoreCompletedTransactionsFailedWithError error: NSError!) paymentQueueRestoreCompletedTransactionsFinished(queue: SKPaymentQueue!) swift1.2swift2.2 optional

Le Pere d'OO




func paymentQueue(queue: SKPaymentQueue!, removedTransactions transactions: [AnyObject]!)


Swift1.2




paymentQueue(qu‌​eue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction])