How to Customize the POS Graphical User Interface for PINPAD Input
API
setupCallbackHandler of PINPadInterface
int setupCallbackHandler(PinPadCallbackHandler handler);
Set a callback handler. When an input occurs to PINPAD, the callback handler is called.
| Parameters | |
|---|---|
| handler | PinPadCallbackHandler : Not null. |
| Returns | |
|---|---|
| int | >=0: success, -1: has not find lib, -2: has not find pinpad_set_pinblock_callback in lib, -3: has not find PinpadCallback in Java code. |
processCallback of
void processCallback(byte[] data);
The callback method.
| Parameters | |
|---|---|
| data | byte[] : date[0] is the count of input pin. |
Usage
setupCallbackHandler, this method defined at PINPadInterface, before call the method, you should call open method firstly, then you can set a callback handler to the PINPad. After set the callback handler, the system pinpad input UI will not popup, and the callback handler will handle the count of the input pin. Please get the PINPad customize UI demo