startScanner method
      
  
Future<bool?> 
startScanner({ 
    
    
- bool turnOnFlash = false,
- bool turnOnBeep = false,
- bool turnOnVibration = false,
- ScannerMode scannerMode = ScannerMode.single,
- int delay = 500,
override
    Implementation
@override
Future<bool?> startScanner({
  bool turnOnFlash = false,
  bool turnOnBeep = false,
  bool turnOnVibration = false,
  ScannerMode scannerMode = ScannerMode.single,
  int delay = 500,
}) async {
  try {
    return await scanningMethodChannel.invokeMethod<bool>('startScanner', {
      "turnOnFlash": turnOnFlash,
      "turnOnBeep": turnOnBeep,
      "turnOnVibration": turnOnVibration,
      "scannerMode": scannerMode.value,
      "delay": delay,
    });
  } catch (_) {
    return null;
  }
}