Overridden errorImage(for:) & cvcImage(for:) is not called in subclass of STPPaymentCardTextField

[ShengYuenIW]

Summary

Overridden method open class func errorImage(for cardBrand: STPCardBrand) -> UIImage? & open class func cvcImage(for cardBrand: STPCardBrand) -> UIImage? is not called in subclass of STPPaymentCardTextField

Code to reproduce

import Stripe
import UIKit

final class PaymentCardTextField: STPPaymentCardTextField {
    override class func errorImage(for cardBrand: STPCardBrand) -> UIImage? {
        return nil
    }

    override class func cvcImage(for cardBrand: STPCardBrand) -> UIImage? {
        return nil
    }
}

iOS version

iOS 15

Installation method

Cocoapods

SDK version

21.8.1

Other information

line 1809 & 1818
should be Self.errorImage(for: ) instead of STPPaymentCardTextField.errorImage(for:).

same issue as #1827.

[porter-stripe]

Hi @ShengYuenIW sorry for the build issue. We are working on a fix and hope to have it in the next release.

Thanks!

[porter-stripe]

We fixed this in version 21.12.0.