广告效果很好。但是,当我添加 if else 语句以确定用户是否付费删除广告时,即使他们没有付费删除广告,广告也不会弹出。我得到的唯一打印语句是“它叫什么”,所以我觉得“已购买”键有问题。我检查以确保它们匹配。我是不是对 key 做错了什么?
func showAd() {
if let purchased = UserDefaults.standard.value(forKey: "Purchased") as? Bool{
if purchased == true{
interstitial = nil
print("there is no ad!!!!")
}else{
self.interstitial = createInterstitialAd()
print("there is an ad!!!")
}
} else {
print("it called something")
}
}
编辑:这是我设置 key 的代码。
func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
for transaction in transactions{
if transaction.transactionState == SKPaymentTransactionState.purchased{
//User Payment Successfull
UserDefaults.standard.set(true, forKey: "Purchased")
print("payment was successfull")
SKPaymentQueue.default().finishTransaction(transaction)
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let controller = storyboard.instantiateViewController(withIdentifier: "homeVC")
self.navigationController?.pushViewController(controller, animated: true)
}else if transaction.transactionState == .failed{
//User Payment failed
print("transaction failed...")
SKPaymentQueue.default().finishTransaction(transaction)
if let error = transaction.error {
print("\(error.localizedDescription)")
}
}
}
}
最佳答案
改变这一行:
if let purchased = UserDefaults.standard.value(forKey: "Purchased") as? Bool
收件人:
if let purchased = UserDefaults.standard.bool(forKey: "Purchased")
这使得 purchased
不是可选的。这样 if purchased
总是会被调用。
事实上,我会去掉 if let
因为它不能为 nil:
let purchased = UserDefaults.standard.bool(forKey: "Purchased")
关于ios - 通过应用内购买去除广告时,此功能是否无法识别我的 key ?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54641851/