卡验证

package com.worldpay.access.checkout.sample.code

import com.worldpay.access.checkout.client.validation.listener.AccessCheckoutCardValidationListener;
import com.worldpay.access.checkout.client.validation.model.CardBrand;

public class CardValidationListener implements AccessCheckoutCardValidationListener {

    @Override
    public void onCvcValidated(Boolean isValid) {
        //TODO: handle the cvc validation result
    }

    @Override
    public void onPanValidated(Boolean isValid) {
        //TODO: handle the pan validation result
    }

    @Override
    public void onBrandChange(CardBrand cardBrand) {
        //TODO: handle the card brand change
    }

    @Override
    public void onExpiryDateValidated(Boolean isValid) {
        //TODO: handle the expiry date validation result
    }

    @Override
    public void onValidationSuccess() {
        //TODO: handle the form when the validation is complete i.e. all fields are valid
    }

}

package com.worldpay.access.checkout.sample.code

// android library imports omitted

import com.worldpay.access.checkout.client.validation.AccessCheckoutValidationInitialiser;
import com.worldpay.access.checkout.client.validation.config.CardValidationConfig;
import com.worldpay.access.checkout.client.validation.listener.AccessCheckoutCardValidationListener;

public class MainActivity extends AppCompatActivity {

    private String baseUrl = "TARGET_BASE_URL";

    // other fields omitted

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        EditText pan = findViewById<EditText>(R.id.pan);
        EditText cvc = findViewById<EditText>(R.id.cvc);
        EditText expiryDate = findViewById<EditText>(R.id.expiryDate);

        // other view references omitted

        AccessCheckoutCardValidationListener cardValidationListener = CardValidationListener();

        CardValidationConfig cardValidationConfig = CardValidationConfig.Builder()
                .baseUrl(baseUrl)
                .pan(pan)
                .expiryDate(expiryDate)
                .cvc(cvc)
                .validationListener(cardValidationListener)
                .lifecycleOwner(this)
                .build();

        AccessCheckoutValidationInitialiser.initialise(cardValidationConfig);

        //TODO: generate session here
    }

}