Payment Features / German Eichrecht - Android SDK

Intro

German Eichrecht is used to transfer the Public Key and Signed Meter Value from the POS to the terminal. The Public Key and Signed Meter Value must be sent as Hexadecimal values.

How to pass the German Eichrecht when performing a Payment

The following code snippet demonstrates how you can perform a payment with German Eichrecht.
For unattended EV-Charging terminals only.

	createTerminal(ExternalTerminal.TerminalType.UNATTENDED_OPI_NL);
    PaymentApi paymentService = new PaymentService();

    PaymentDelegate delegate = new PaymentDelegate() {
        @Override
        public void eReceipt(EReceiptRequest eReceipt) {
            ...
        }
    };

    //Hexadecimal value
    String publicKey = "3031323334";
    //Hexadecimal value
    String signedMeterValue = "3031323334";

    Payment payment = Payment.builder()
            ...
            .germanEichrecht(new GermanEichrecht(publicKey, signedMeterValue))
            .build();


    paymentService.payment(terminal, payment, delegate);

How to pass the German Eichrecht when performing a CardFinancialAdvice

The following code snippet demonstrates how you can perform a cardFinancialAdvice with German Eichrecht.
For unattended EV-Charging terminals only.

	createTerminal(ExternalTerminal.TerminalType.UNATTENDED_OPI_NL);
    PaymentApi paymentService = new PaymentService();

    TokenDelegate tokenDelegate = new TokenDelegate() {
        @Override
        public void eReceipt(EReceiptRequest eReceipt) {
            ...
        }
    };

    //Hexadecimal value
    String publicKey = "3031323334";
    //Hexadecimal value
    String signedMeterValue = "3031323334";

    FinancialAdviceRequest financialAdviceRequest = FinancialAdviceRequest.builder()
                    ...
                    .germanEichrecht(new GermanEichrecht(publicKey, signedMeterValue))
                    .build();

    paymentService.financialAdvice(terminal, financialAdviceRequest, tokenDelegate);