requestUsbDevicePermission method
Request Android USB access and return refreshed reader information.
This does not initialize triPOS. When access is granted, the returned device may include its USB descriptor UsbDeviceInfo.serialNumber.
Implementation
Future<UsbDeviceInfo> requestUsbDevicePermission(int deviceId) {
throw UnimplementedError(
'requestUsbDevicePermission() has not been implemented.',
);
}