我正在尝试在恢复购买时向用户显示警报。但是当我调试并打印出恢复购买的数量时,我得到了0个交易被恢复。我不明白为什么它会带回0.我以为我只需要调用restoreCompletedTransactions()
方法。我发布通知,通知我恢复是否完成,我甚至没有达到这一点。我正在使用paymentQueueRestoreCompletedTransactionsFinished(_ pQueue: SKPaymentQueue)
在恢复完成时通知我。我该如何正确恢复购买。
let paymentQueue = SKPaymentQueue.default()
func restorePurchases() {
if !self.canMakePurchases {
return
}
self.paymentQueue.add(self)
self.paymentQueue.restoreCompletedTransactions()
}
func paymentQueue(_ queue: SKPaymentQueue, restoreCompletedTransactionsFailedWithError error: Error) {
print("Restore failed")
}
func paymentQueue(_ pQueue: SKPaymentQueue, updatedTransactions pTransactions: [SKPaymentTransaction]) {
for scanTransaction in pTransactions {
switch scanTransaction.transactionState {
case .purchasing:
break
case .purchased:
NotificationCenter.default.post(name: .AppDelegateUserHasPurchasedProductNotification, object: self)
pQueue.finishTransaction(scanTransaction)
default:
pQueue.finishTransaction(scanTransaction)
}
}
}
func paymentQueueRestoreCompletedTransactionsFinished(_ pQueue: SKPaymentQueue) {
print("Received restored transactions: \(pQueue.transactions.count)")
for scanTansaction in pQueue.transactions {
switch scanTansaction.transactionState {
case .restored:
NotificationCenter.default.post(name: .AppDelegateUserHasRestoredPurchasesNotification, object: self)
pQueue.finishTransaction(scanTansaction)
default:
break
}
}
}
日志
Received restored transactions: 0
你的实施
func paymentQueue(_ pQueue: SKPaymentQueue, updatedTransactions pTransactions: [SKPaymentTransaction]) {
是错的。您还原了购买恢复时的交易状态!你有case .purchased
,但你忘记了case .restored
。把它放进去。这是你收到通知并可以回复的地方。