[英]Non-'@objc' method does not satisfy requirement of '@objc' protocol
[英]Non-'@objc' method 'paymentAuthorizationViewControllerDidFinish' does not satisfy requirement of '@objc' protocol
獲取錯誤編譯
非'@ objc'方法'paymentAuthorizationViewControllerDidFinish'不滿足'@objc'協議'PKPaymentAuthorizationViewControllerDelegate'的要求
如果我在paymentAuthorizationViewControllerDidFinish之前添加@objc,那么我會得到新的錯誤
@objc只能用於類的成員,@ objc協議和類的具體擴展。
我可以直接使用PKPaymentAuthorizationViewControllerDelegate
擴展Handler,但我有兩個不同的類擴展ApplePayable
,我不想為不同的類編寫相同的擴展名
import UIKit
import PassKit
class ApplePayRequestComposer {}
protocol ApplePayable: PKPaymentAuthorizationViewControllerDelegate {
func applePaymentSheet(composer: ApplePayRequestComposer) -> PKPaymentAuthorizationViewController?
func processPKPayment(payment:PKPayment, completed:@escaping (_ success:Bool)->())
}
extension ApplePayable {
func applePaymentSheet(composer: ApplePayRequestComposer) -> PKPaymentAuthorizationViewController?{
return nil
}
func processPKPayment(payment:PKPayment, completed:@escaping (_ success:Bool)->()) {
completed(false)
}
}
// PKPaymentAuthorizationViewControllerDelegate implementation
extension ApplePayable
{
func paymentAuthorizationViewControllerDidFinish(_ controller: PKPaymentAuthorizationViewController) {
controller.dismiss(animated: true, completion: nil)
}
@available(iOS 11.0, *)
func paymentAuthorizationViewController(_ controller: PKPaymentAuthorizationViewController, didAuthorizePayment payment: PKPayment, handler completion: @escaping (PKPaymentAuthorizationResult) -> Swift.Void) {
processPKPayment(payment: payment) { success in
let status = success ? PKPaymentAuthorizationStatus.success:PKPaymentAuthorizationStatus.failure
let result = PKPaymentAuthorizationResult(status: status, errors: nil)
completion(result)
}
}
func paymentAuthorizationViewController(_ controller: PKPaymentAuthorizationViewController, didAuthorizePayment payment: PKPayment, completion: @escaping (PKPaymentAuthorizationStatus) -> Swift.Void) {
processPKPayment(payment: payment) { success in
completion(success ? PKPaymentAuthorizationStatus.success: PKPaymentAuthorizationStatus.failure)
}
}
}
class Handler: NSObject, ApplePayable
{
}
嘗試把@objc
之前func paymentAuthorizationViewControllerDidFinish
。
@objc func paymentAuthorizationViewControllerDidFinish(_ controller: PKPaymentAuthorizationViewController) {
controller.dismiss(animated: true, completion: nil)
}
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