Missed Responses

On Android, it’s technically possible for the OS to kill your app while it's in the background before a response is received. If this occurs and the app process is later restarted, you can still receive those missed responses by initializing TeyaAllInOneSDK with a MissedResponseListener.

To ensure missed responses are delivered, you must call TeyaAllInOneSDK as early as possible after the app starts, ideally in the onCreate method of your Application class.

As mentioned in the Setup section, you can implement the missed responses callback by passing a MissedResponseListener to the TeyaAllInOneSDK function:

Kotlin

val teyaAllInOneSDK = TeyaAllInOneSDK(
    onMissedResponseListener = object : MissedResponseListener {
        override fun onMissedPaymentResponse(
            eposTransactionId: String,
            finalState: PaymentStateSubscription.PaymentStateDetails,
        ) {
            println("MISSED RESPONSE = eposTransactionId=$eposTransactionId, finalState=$finalState")
        }

        override fun onMissedReceiptResponse(
            gatewayTransactionId: GatewayTransactionId,
            result: PrintStateDetails,
        ) {
            println("MISSED RESPONSE = gatewayTransactionId=$gatewayTransactionId, result=$result")
        }

        override fun onMissedCustomReceiptResponse(
            customReceiptId: String,
            result: PrintStateDetails,
        ) {
            println("MISSED RESPONSE = customReceiptId=$customReceiptId, result=$result")
        }

        override fun onMissedRefundResponse(
            gatewayPaymentId: GatewayPaymentId,
            result: RefundResultSubscription.ResultDetails,
        ) {
            println("MISSED RESPONSE = gatewayPaymentId=$gatewayPaymentId, result=$result")
        }

        override fun onMissedUnreferencedRefundResponse(
            eposTransactionId: String,
            finalState: PaymentStateSubscription.PaymentStateDetails,
        ) {
            println("MISSED RESPONSE = eposTransactionId=$eposTransactionId, finalState=$finalState")
        }
    },
    logger = LoggerImpl()
)

Java

AllInOneSDK teyaAllInOneSDK = TeyaAllInOneSDK.init(
    new MissedResponseListener() {
        @Override
        public void onMissedPaymentResponse(
                @NonNull String eposTransactionId,
                @NonNull PaymentStateSubscription.PaymentStateDetails finalState
        ) {
            System.out.println("MISSED RESPONSE = eposTransactionId=" + eposTransactionId + ", finalState=" + finalState);
        }

        @Override
        public void onMissedReceiptResponse(
                @NonNull GatewayTransactionId gatewayTransactionId,
                @NonNull PrintStateDetails result
        ) {
            System.out.println("MISSED RESPONSE = gatewayTransactionId=" + gatewayTransactionId + ", result=" + result);
        }

        @Override
        public void onMissedCustomReceiptResponse(
                @NonNull String customReceiptId,
                @NonNull PrintStateDetails result
        ) {
            System.out.println("MISSED RESPONSE = customReceiptId=" + customReceiptId + ", result=" + result);
        }

        @Override
        public void onMissedRefundResponse(
                @NonNull GatewayPaymentId gatewayPaymentId,
                @NonNull RefundResultSubscription.ResultDetails result
        ) {
            System.out.println("MISSED RESPONSE = gatewayPaymentId=" + gatewayPaymentId + ", result=" + result);
        }

        @Override
        public void onMissedUnreferencedRefundResponse(
                @NonNull String eposTransactionId,
                @NonNull PaymentStateSubscription.PaymentStateDetails finalState
        ) {
            System.out.println("MISSED RESPONSE = eposTransactionId=" + eposTransactionId + ", finalState=" + finalState);
        }
    },
    new LoggerImpl(),
    null
);

The following responses may be missed if the operating system kills the app before they are delivered:

onMissedPaymentResponse: Triggered when a payment response was missed.
onMissedReceiptResponse: Triggered when a receipt printing result was missed.
onMissedCustomReceiptResponse: Triggered when a custom receipt printing result was missed.
onMissedRefundResponse: Triggered when a refund result was missed.
onMissedUnreferencedRefundResponse: Triggered when an unreferenced refund response was missed.