ios – 有没有办法检测它在Apple Pay PKPaymentAuthorizationViewController上触摸的取消按钮？

概述每当PKPaymentAuthorizationViewController因任何原因被解雇时,Apple Pay都会调用以下委托.有没有办法检测是否只触摸了取消按钮？ - (void)paymentAuthorizationViewControllerDidFinish:(PKPaymentAuthorizationViewController *)controller{ [self 每当PKPaymentAuthorizationVIEwController因任何原因被解雇时,Apple Pay都会调用以下委托.有没有办法检测是否只触摸了取消按钮？

- (voID)paymentAuthorizationVIEwControllerDIDFinish:(PKPaymentAuthorizationVIEwController *)controller{    [self dismissVIEwControllerAnimated:YES completion:nil];}

解决方法 从 documentation for paymentAuthorizationViewControllerDidFinish：

When the user authorizes a payment request,this method is called after the status from the paymentAuthorizationVIEwController:dIDAuthorizePayment:completion: method’s completion block has been shown to the user. When the user cancels without authorizing the payment request,only paymentAuthorizationVIEwControllerDIDFinish: is called.

因此,如果

paymentAuthorizationVIEwController:dIDAuthorizePayment:completion:

不是先调用,然后用户点击取消按钮(否则控制器以某种方式被取消).

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