Events Listeners

SmartposRequired

Events.SmartposRequired Interface

You must provide a class implementing this interface when initializing the SDK for a smartPOS terminal (PAX/Telpo).

Code example

public final class EventHandler implements Events.SmartposRequired {

    @Override
    public void connectionStatusChanged(ConnectionStatus status, Device device)  { ... }
     @Override
    public void currentTransactionStatus(StatusInfo statusInfo, Device device) { ... }
    @Override
    public void endOfTransaction(TransactionResult transactionResult, Device device) { ... }
    @Override
    public void transactionResultReady(TransactionResult transactionResult, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Events

ConnectionStatusChangedCurrentTransactionStatusEndOfTransaction PendingResults

MposRequired

Events.MposRequired Interface

You must provide a class implementing this interface when initializing the SDK for an mPOS terminal (HiLite).

Code example

public final class EventHandler implements Events.MposRequired {
    @Override
    public void deviceDiscoveryFinished(List devices) { ... }
    @Override
    public void connectionStatusChanged(ConnectionStatus status, Device device)  { ... }
     @Override
    public void currentTransactionStatus(StatusInfo statusInfo, Device device) { ... }
    @Override
    public void signatureRequired(SignatureRequest signatureRequest, Device device) { ... }
    @Override
    public void endOfTransaction(TransactionResult transactionResult, Device device) { ... }
    @Override
    public void transactionResultReady(TransactionResult transactionResult, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Events

ConnectionStatusChangedCurrentTransactionStatusEndOfTransaction PendingResults DeviceDiscoveryFinished SignatureRequired

PosRequired

Events.PosRequired Interface

You must provide a class implementing this interface when initializing the SDK when supporting both mPOS and SmartPOS terminals (PAX/Telpo & HiLite).

Code example

public final class EventHandler implements Events.PosRequired {
    @Override
    public void deviceDiscoveryFinished(List devices) { ... }
    @Override
    public void connectionStatusChanged(ConnectionStatus status, Device device)  { ... }
     @Override
    public void currentTransactionStatus(StatusInfo statusInfo, Device device) { ... }
    @Override
    public void signatureRequired(SignatureRequest signatureRequest, Device device) { ... }
    @Override
    public void endOfTransaction(TransactionResult transactionResult, Device device) { ... }
    @Override
    public void transactionResultReady(TransactionResult transactionResult, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Events

ConnectionStatusChangedCurrentTransactionStatusEndOfTransaction PendingResults DeviceDiscoveryFinished SignatureRequired

Card Brand Display

Events.CardBrandDisplay Interface

An interface which needs to be implemented and added as a listener to get events providing information on the supported card brands and/or the card brand used during the transaction.

Methods

supportedCardBrands( List<CardBrands> cardBrandsList );

Parameter	Notes
cardBrandsList Required List <CardBrands>	A list containing the supported card brands

readCard( CardBrands usedCard );

Parameter	Notes
usedCard Required CardBrands	Name of the card brand

Code example

public final class EventHandler implements Events.CardBrandDisplay {

    @Override
    public void supportedCardBrands(List cardBrandsList) {
        // Get supported card brands 
    }

    @Override
    public void readCard(CardBrands usedCard) {
        // Get the used card brand 
    }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Card Tokenization

Events.CardTokenization Interface

Implement this interface in order to receive events about the card tokenization.

Methods

cardTokenized( ResumeCallback callback, CardTokenizationData cardTokenizationData)

Parameter	Notes
callback Required ResumeCallback	Lets the SDK continue the operation
cardTokenizationData Required CardTokenizationData	Object with the tokenization data.

public final class EventHandler implements Events.CardTokenization {
    
    @Override 
    public void cardTokenized(@NonNull ResumeCallback callback, @NonNull CardTokenizationData cardTokenizationData) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Connection status changed

Events.ConnectionStatusChanged Interface

Implement this interface in order to receive connection status changes.

Methods

connectionStatusChanged( ConnectionStatus status , Device device );

Parameter	Notes
status Required ConnectionStatus	New status of the connection
device Required Device	The terminal which sent this information.

Code example

public final class EventHandler implements Events.ConnectionStatusChanged {

    @Override
    public void connectionStatusChanged(ConnectionStatus status, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Current transaction status

Events.CurrentTransactionStatus Interface

Implement this interface in order to receive events about the current transaction.

Methods

currentTransactionStatus( StatusInfo status , Device device );

Parameter	Notes
status Required StatusInfo	The StatusInfo of the current transaction
device Required Device	The terminal the request is sent from.

Code example

public final class EventHandler implements Events.CurrentTransactionStatus {

    @Override
    public void currentTransactionStatus(StatusInfo info, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Device capabilities ready

Events.DeviceCapabilitiesReady Interface

Implement this interface in case the payment terminal needs to notify the SDK of its capabilities

Methods

deviceCapabilities( DeviceCapabilities capabilities , Device device );

Parameter	Notes
capabilities Required DeviceCapabilities	The capabilities of the terminal
device Required Device	The terminal sending its capabilities

Code example

public final class EventHandler implements Events.DeviceCapabilitiesReady {

    @Override
    public void deviceCapabilities(DeviceCapabilities capabilities, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Device discovery finished

Events.DeviceDiscoveryFinished Interface

Implement this interface in order to receive a list of available payment terminals. The event handler defined in this interface is invoked after calling the method searchDevices

Methods

deviceDiscoveryFinished( List<Device> devices );

Parameter	Notes
devices Required List <Device>	A list of available devices.

Code example

public final class EventHandler implements Events.DeviceDiscoveryFinished {

    @Override
    public void deviceDiscoveryFinished(List<Device> devices) {
        // Receiving a list of connectable payment terminals
        foreach(Device device in devices) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

End of transaction

Events.EndOfTransaction Interface

Implement this interface to receive an event when a transaction is complete.

Methods

endOfTransaction( TransactionResult result , Device device );

Parameter	Notes
result Required TransactionResult	Holds all the information about the transaction.
device Required Device	The payment terminal.

Code example

public final class EventHandler implements Events.EndOfTransaction {

    @Override
    public void endOfTransaction(TransactionResult result, Device device) {
        // Check the status of the transaction, save it, ...
    }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Hardware status changed

Events.HardwareStatusChanged Interface

Implement this interface in order to receive events when the hardware status changes.

Methods

hardwareStatusChanged( HardwareStatus status , Device device );

Parameter	Notes
status Required HardwareStatus	New status of the hardware.
device Required Device	The payment terminal.

Code example

public final class EventHandler implements Events.HardwareStatusChanged {

    @Override
    public void hardwareStatusChanged(HardwareStatus status, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Log

Events.Log Interface

An interface which needs to be implemented and added as a listener to receive logging information.

Extends

OnMessageLogged

Code example

public final class EventHandler implements Events.Log {

    @Override
    public void deviceLogsReady(String logs, Device device) { ... }
    @Override
    public void onMessageLogged(LogLevel level , String message) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

MessageHandling

Events.MessageHandling Interface

An interface which needs to be implemented and added as a listener to get events which are called when the sdk asks the application to display or hide a message.

Methods

showMessage( String message , Boolean dismissible , int duration );

Parameter	Notes
message Required String	Message to display
dismissible Required Boolean	A flag that indicates whether the message can be dismissed
duration Required int	The timeout to hide the message. In milliseconds, if 0 is sent, the message should not auto dismiss.

hideMessage( String message );

Parameter	Notes
message Required String	Message to hide

Code example

public final class EventHandler implements Events.MessageHandling {

    @Override
    public void showMessage(String message, Boolean dismissible, int duration) {
        // Show message for a 'duration' period (if duration = 0 DO NOT dismiss until hideMessage(String message) event is received) and make it dismissible if the input marks it as possible
    }

    @Override
    public void hideMessage(String message) {
        // Hide the message
    }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

On message logged

Events.OnMessageLogged Interface

Implement this interface to receive logs from the payment terminal. Methods

onMessageLogged( LogLevel level , String message );

Parameter	Notes
level Required LogLevel	The LogLevel of the logging
message Required String	The log trace which was logged by the SDK.

Code example

public final class EventHandler implements Events.OnMessageLogged {

    @Override
    public void onMessageLogged(LogLevel level, String message) {
        // Process log trace
    }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

PhysicalKeyboardEvent

Events.PhysicalKeyboardEvent Interface

An interface which needs to be implemented and added as a listener to get events coming from the PAX A80 physical keyboard.

Methods

onKeyPressed( PaxA80Keys key );

Parameter	Notes
key Required PaxA80Keys	The name of the key that has been pressed

Code example

public final class EventHandler implements Events.PhysicalKeyboardEvent {

    @Override
    public void onKeyPressed(String key) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

PendingResults

Events.PendingResults Interface

An interface which needs to be implemented and added as a listener to receive information about pending TransactionResults. In case of a communication failure between the SDK and the payment terminal there might be a result pending from the transaction which did not get sent to the SDK.

Code example

public final class EventHandler implements Events.PendingResults {

    @Override
    public void transactionResultReady(TransactionResult transactionResult, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Extends

TransactionResultReady

PaymentProvider

Events.PaymentProvider Interface

An interface which needs to be implemented and added as a listener to receive all available events related to financial operations.

Extends

SignatureRequired EndOfTransaction OnMessageLogged CurrentTransactionStatus

PrinterEvents

Events.PrinterEvents Interface

An interface which needs to be implemented and added as a listener to get events coming from the printer.

Methods

printSuccess( );

printError(PrintError error);

Parameter	Notes
error Required PrintError	Enum detailing the reason of the error

Code example

public final class EventHandler implements Events.PrinterEvents {

    @Override
    public void printSuccess() {
        // Successful print action
    }

    @Override
    public void printError(PrintError error) {
        // Unable to perform print action due to error
    }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Report result

Events.ReportResult Interface

Implement this interface to receive an event when a report result from a getTransactionsReport is returned.

Methods

reportResult( TypeOfResult type , String report , DeviceStatus status , Device device );

Parameter	Notes
type Required TypeOfResult	The type of the report
report Required String	The text of the report
status Required DeviceStatus	The status of the device
device Required Device	The terminal sending the report

Code example

public final class EventHandler implements Events.ReportResult {

    @Override
    public void reportResult(TypeOfResult type, String report, DeviceStatus status, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Events

DeviceDiscoveryFinished SignatureRequired EndOfTransaction PendingResults

Signature required

Events.SignatureRequired Interface

The SignatureRequired interface must be implemented in order to receive an event when a card requires a signature as a verification method. This interface is only required for an Hilite integration, PAX and Telpo terminals automatically prompt for signature capture on the terminal.

Methods

signatureRequired( SignatureRequest request , Device device );

Parameter	Notes
request Required SignatureRequest	Holds the signature request.
device Required Device	The payment terminal.

Code example

public final class EventHandler implements Events.SignatureRequired {

    @Override
public void signatureRequired(SignatureRequest signatureRequest, Device device) {
        // Save merchant receipt
        String merchantReceipt = signatureRequest.getMerchantReceipt();
        api.signatureResult(true);
    }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Status

Events.Status Interface

An interface which needs to be implemented and added as a listener to receive connection and transaction statuses.

Code example

public final class EventHandler implements Events.Status {

    @Override
    public void connectionStatusChanged(ConnectionStatus status, Device device) { ... }
    @Override
    public void hardwareStatusChanged(HardwareStatus status, Device device) { ... }
    @Override
    public void currentTransactionStatus(StatusInfo info, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Extends

ConnectionStatusChanged HardwareStatusChanged CurrentTransactionStatus

Transaction result ready

Events.TransactionResultReady Interface

Implement this interface in order to receive an event after a pending TransactionResult has been recovered from the payment terminal.

Methods

transactionResultReady( TransactionResult transactionResult , Device device );

Parameter	Notes
transactionResult Required TransactionResult	A TransactionResult is containing all information about the recovered transaction.
device Required Device	The payment terminal.

Code example

public final class EventHandler implements Events.TransactionResultReady {

    @Override
    public void transactionResultReady(TransactionResult transactionResult, Device device) { ... }

}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);

Transaction started

Events.TransactionStarted Interface

Implement this interface in order to receive an event when a transaction is started through the Cloud API channel.

IMPORTANT NOTE: This interface is only available for cloud-enabled devices. See DeviceCapabilitiesReady interface.

Methods

transactionStarted( TransactionType transactionType , BigInteger amount , Currency currency, String transactionReference );

Parameter	Notes
transactionType Required TransactionType	Type of transaction started
amount Required BigInteger	Amount in the minor unit of currency (f.ex. 1000 is 10.00 GBP)
currency Required Currency	Currency of the transaction started
transactionReference Required String	The transaction reference of the started transaction. transactionReference will be empty if the operation has not been started with one, or if it is an operation to which it does not apply (a tokenization, for example)

Code example

public final class EventHandler implements Events.TransactionStarted {

    //If the transactionReference has NOT been included in the request, it will be empty.
    @Override
public void transactionStarted(TransactionType type, BigInteger amount, Currency currency, String transactionReference) {
        // Notify the app user transaction has been started ...
    }
}

// Remember to register the instance of this EventHandler:
this.api.registerEventsDelegate(eventHandlerInstance);