org.opennfc.cardemulation
Interface CardEmulationEventHandler

public interface CardEmulationEventHandler

Interface definition used for receiving notifications from the CardEmulation. These callbacks methods are called if the CardEmulationEventHandler has been registered with the Card Emulation Registry using the CardEmulation.start(org.opennfc.cardemulation.CardEmulationEventHandler) method.

Since:

Open NFC 4.0

SELECTION

static final int SELECTION

The card emulation is selected by a remote reader.

See Also:

Constant Field Values

DEACTIVATE

static final int DEACTIVATE

The card emulation is de-selected by a remote reader or the field is cut off.

See Also:

Constant Field Values

onEventReceived

void onEventReceived(int event)

Method called when an event is received from a reader.

Parameters:

event - the event value: SELECTION or DEACTIVATE.

onCommandReceived

void onCommandReceived(byte[] command)

Method called when a command is received from a reader. Use CardEmulation.sendResponse() to send an answer to the reader.

Parameters:

command - the command received from the reader.