Swift3.0 アプリ内課金 非消耗型の対応を実施する。 ref: http://qiita.com/daisukenagata/items/fc653bf358927e24d24e

file0.txt

import StoreKit

file1.txt

class PayViewController: UIViewController,SKProductsRequestDelegate, SKPaymentTransactionObserver {

file2.txt

 func productsRequest(_ request: SKProductsRequest,
                     didReceive response: SKProductsResponse) {
    if response.invalidProductIdentifiers.count > 0 {

      }
  }

file3.txt

func paymentQueueRestoreCompletedTransactionsFinished(_ queue: SKPaymentQueue){

}

file4.txt

 func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
        case .restored:
            SKPaymentQueue.default().finishTransaction(transaction)
      }
 }

file5.txt

 func paymentQueue(_ queue: SKPaymentQueue, removedTransactions transactions: [SKPaymentTransaction]) {

 }