startpinpad method
Implementation
@override
void startpinpad({
ValueChanged<String>? onchange,
Function? proceed,
Function? cancel,
}) async {
// Initialize the keyEventHandler once and use it everywhere
keyEventHandler = Keyevent(
onchange: onchange,
proceed: proceed,
cancel: cancel,
);
methodChannel.invokeMethod('getpin');
keyEventHandler.handleKeyEventstream(eventChannel.receiveBroadcastStream());
// hardwareKeyboard.addHandler(keyEventHandler.handleKeyEvent);
}