Swift In App购买崩溃＆＃34;消息发送到解除分配的实例＆＃34;

Question

我已在我的应用中实施了应用内购买。它间歇性地工作。

大约1/3会崩溃，这是我在SKScene中实现的方式：

class GameOverMenu: SKScene, UIAlertViewDelegate, GKGameCenterControllerDelegate, SKProductsRequestDelegate, SKPaymentTransactionObserver {


var activeProduct: SKProduct?



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

    for transaction in transactions {

        switch (transaction.transactionState) {

        case .purchased:
            SKPaymentQueue.default().finishTransaction(transaction)
            print("Purchased")

        case .failed:
            SKPaymentQueue.default().finishTransaction(transaction)
            print("Failed")
        default:
            break

        }
    }
}

func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) {

    print("loaded products")

    for product in response.products {

        print("Product: \(product.productIdentifier), \(product.localizedTitle), \(product.price.floatValue)")


        activeProduct = product

    }
}

override func didMove(to view: SKView) {


    SKPaymentQueue.default().add(self)
    let productIdentifiers: Set<String> = ["gold_space_coins"]
    let productsRequest = SKProductsRequest(productIdentifiers: productIdentifiers)
    productsRequest.delegate = self
    productsRequest.start()

}

   if(atPoint(location) == buyCoins){

            if let activeProduct = activeProduct {

            print("Buying \(activeProduct.productIdentifier)")

            let payment = SKPayment(product: activeProduct)

                SKPaymentQueue.default().add(payment)

            }else{
            print("No product")
            }
        }

以下是崩溃发生时的日志：

loaded products
Product: gold_space_coins, 500 Pieces of Gold Coins, 0.99

我退出现场然后返回**

loaded products
Product: gold_space_coins, 500 Pieces of Gold Coins, 0.99
Buying gold_space_coins
warning: could not load any Objective-C class information. This will significantly reduce the quality of type information available.

它在线失败：

 SKPaymentQueue.default().add(payment)

我应该在视图控制器中实现这个吗？或者我做错了什么？

Answer 1

解决：

离开现场时，我没有移除paymentQueue，导致场景重新出现时出现内存问题。

这解决了它：

override func willMove(from view: SKView) {



    SKPaymentQueue.default().remove(self)


}

Answer 2

这对我有用：

Swift 3

override func willMove(toParentViewController parent: UIViewController?) {
  SKPaymentQueue.default().remove(self)
}