如何在iOS 11中处理应用内购买的shouldAddStorePayment?
问题描述:
我试图实现新的paymentQueue(_:shouldAddStorePayment:for:)
方法,所以我的应用程序可以直接从App Store处理IAP。如何在iOS 11中处理应用内购买的shouldAddStorePayment?
我使用的是itms-services://
网址来测试它,就像它说here。
问题是,我的SKPaymentTransactionObserver
是一个特定的视图控制器,如果在打开itms-services://
链接时不可见,则不会调用委托方法。
我该怎么办?我想我必须检测用户是否来自App Store推送正确的视图控制器,但我不知道如何。我现在唯一能想到的其他选择是使应用程序代理为SKPaymentTransactionObserver
,但这看起来非常麻烦,而且在尝试时我无法使其工作。有没有其他方法?
答
这里有一类我这样做,可以帮助你实现你想要什么,只需将下面的代码复制并粘贴到新的文件中,然后你可以简单地访问类StoreManager.shared到你想要的任何方法/变量访问。
1至初始化这个类,从你的didFinishLaunchingWithOptions
StoreManager.shared.Begin只是调用(),然后加入支付观察者。
import Foundation
import StoreKit
class StoreManager: NSObject{
/**
Initialize StoreManager and load subscriptions SKProducts from Store
*/
static let shared = StoreManager()
func Begin(){
print("StoreManager initialized".DubugText())
}
override init() {
super.init()
// Add pyament observer to payment qu
SKPaymentQueue.default().add(self)
}
func requestProductWithID(identifers:Set<String>){
if SKPaymentQueue.canMakePayments() {
let request = SKProductsRequest(productIdentifiers:
identifers)
request.delegate = self
request.start()
} else {
print("ERROR: Store Not Available")
}
}
func buyProduct(product: SKProduct) {
print("Buying \(product.productIdentifier)...")
let payment = SKPayment(product: product)
SKPaymentQueue.default().add(payment)
}
func restorePurchases(){
SKPaymentQueue.default().restoreCompletedTransactions()
}
/*
Instance variables
*/
}
// MARK:
// MARK: SKProductsRequestDelegate
//The delegate receives the product information that the request was interested in.
extension StoreManager:SKProductsRequestDelegate{
func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) {
var products = response.products as [SKProduct]
var buys = [SKProduct]()
if (products.count > 0) {
for i in 0 ..< products.count
{
let product = products[i]
print("Product Found: ",product.localizedTitle)
}
} else {
print("No products found")
}
let productsInvalidIds = response.invalidProductIdentifiers
for product in productsInvalidIds
{
print("Product not found: \(product)")
}
}
func request(_ request: SKRequest, didFailWithError error: Error) {
print("Something went wrong: \(error.localizedDescription)")
}
}
// MARK:
// MARK: SKTransactions
extension StoreManager: SKPaymentTransactionObserver {
public func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
for transaction in transactions {
switch (transaction.transactionState) {
case .purchased:
completeTransaction(transaction: transaction)
break
case .failed:
failedTransaction(transaction: transaction)
break
case .restored:
restoreTransaction(transaction: transaction)
break
case .deferred:
// TODO show user that is waiting for approval
break
case .purchasing:
break
}
}
}
private func completeTransaction(transaction: SKPaymentTransaction) {
print("completeTransaction...")
deliverPurchaseForIdentifier(identifier: transaction.payment.productIdentifier)
SKPaymentQueue.default().finishTransaction(transaction)
}
private func restoreTransaction(transaction: SKPaymentTransaction) {
guard let productIdentifier = transaction.original?.payment.productIdentifier else { return }
print("restoreTransaction... \(productIdentifier)")
deliverPurchaseForIdentifier(identifier: productIdentifier)
SKPaymentQueue.default().finishTransaction(transaction)
}
private func failedTransaction(transaction: SKPaymentTransaction) {
if let error = transaction.error as NSError? {
if error.domain == SKErrorDomain {
// handle all possible errors
switch (error.code) {
case SKError.unknown.rawValue:
print("Unknown error")
case SKError.clientInvalid.rawValue:
print("client is not allowed to issue the request")
case SKError.paymentCancelled.rawValue:
print("user cancelled the request")
case SKError.paymentInvalid.rawValue:
print("purchase identifier was invalid")
case SKError.paymentNotAllowed.rawValue:
print("this device is not allowed to make the payment")
default:
break;
}
}
}
SKPaymentQueue.default().finishTransaction(transaction)
}
private func deliverPurchaseForIdentifier(identifier: String?) {
guard let identifier = identifier else { return }
}
}
//In-App Purchases App Store
extension StoreManager{
func paymentQueue(_ queue: SKPaymentQueue, shouldAddStorePayment payment: SKPayment, for product: SKProduct) -> Bool {
return true
//To hold
//return false
//And then to continue
//SKPaymentQueue.default().add(savedPayment)
}
}
好的,我希望有一种方法可以做到我想要的没有所有这些,但是您的答案无论如何是巨大的帮助,所以我会将其标记为已接受。谢谢。 :) – dbmrq
不错,简单的解决方案!在没有额外痛苦的情况下为我工作=) –