Package com.meawallet.mtp

Interface MeaContactlessTransactionListener

public interface MeaContactlessTransactionListener

Interface describing the various contactless transaction events.

App developers should create a local instance of this class and pass it to MeaCard.setContactlessTransactionListener(MeaContactlessTransactionListener) to listen for events. Event callbacks are invoked on the Main / UI thread after the background computation finishes.

Method Summary

Modifier and Type	Method	Description
void	onAuthenticationRequired(MeaCard meaCard, MeaContactlessTransactionData data)	Authentication is required to complete transaction.
void	onContactlessPaymentFailure(MeaCard meaCard, MeaError error, MeaContactlessTransactionData data)	Contactless transaction finished with error.
void	onContactlessPaymentStarted(MeaCard meaCard)	Notifies that contactless transaction was started.
void	onContactlessPaymentSubmitted(MeaCard meaCard, MeaContactlessTransactionData data)	Contactless transaction successfully submitted.

Method Detail

onContactlessPaymentStarted

@UiThread
void onContactlessPaymentStarted(@NonNull
                                 MeaCard meaCard)

Notifies that contactless transaction was started. Usage of this method is optional but highly recommended to improve UX. It allows to start opening Activity showing transaction progress and status before transaction status is received. Therefore transaction itself will look happening faster. It's recommended to make this Activity as lightweight as possible to reduce it's opening time.

Parameters:

meaCard - The card for which contactless payment has been initiated.

onContactlessPaymentSubmitted

@UiThread
void onContactlessPaymentSubmitted(@NonNull
                                   MeaCard meaCard,
                                   @NonNull
                                   MeaContactlessTransactionData data)

Contactless transaction successfully submitted.

Parameters:

meaCard - The card for which contactless payment has been successfully submitted.

data - Contactless transaction data.

onContactlessPaymentFailure

@UiThread
void onContactlessPaymentFailure(@NonNull
                                 MeaCard meaCard,
                                 @NonNull
                                 MeaError error,
                                 @NonNull
                                 MeaContactlessTransactionData data)

Contactless transaction finished with error.

Parameters:

meaCard - The card for which contactless payment has failed.

error - Payment failure error.

data - Transaction data.

onAuthenticationRequired

@UiThread
void onAuthenticationRequired(@NonNull
                              MeaCard meaCard,
                              @NonNull
                              MeaContactlessTransactionData data)

Authentication is required to complete transaction. The terminal is holding context for second tap.

Parameters:

meaCard - The card for which authentication is required.

data - Contactless transaction data.