protected void updateNotification() {
   if (mCarInterface != null
       && mCarInterface.getsStatus() == ElmInterface.STATUS_OPEN_MONITORING) {
     mNoticeBuilder.setContentText(getString(R.string.msg_monitoring));
   } else {
     mNoticeBuilder.setContentText(getString(R.string.msg_monitoring_stopped));
   }
   mNoticeManager.notify(mNoticeID, mNoticeBuilder.build());
 }
  @Override
  public void onCreate() {
    IntentFilter filterUsbDetached = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED);
    registerReceiver(mUsbDetachedReceiver, filterUsbDetached);

    Intent settingsIntent = new Intent(this, SteeringWheelInterfaceActivity.class);
    settingsIntent.setAction(Intent.ACTION_EDIT);
    TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
    stackBuilder.addParentStack(SteeringWheelInterfaceActivity.class);
    stackBuilder.addNextIntent(settingsIntent);
    PendingIntent resultPendingIntent =
        stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);

    mNoticeBuilder.setContentIntent(resultPendingIntent);
    mNoticeBuilder.setSmallIcon(R.drawable.ic_notice);
    mNoticeBuilder.setContentTitle(getString(R.string.app_name));
    mNoticeBuilder.setContentText(getString(R.string.msg_app_starting));

    mNoticeManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    mNoticeManager.notify(mNoticeID, mNoticeBuilder.build());

    mCarInterface = new ElmInterface(getApplicationContext());
    mCarInterface.deviceOpenEvent_AddListener(mDeviceOpenListener);

    SharedPreferences settings =
        PreferenceManager.getDefaultSharedPreferences(getApplicationContext());

    String baudDefault = getString(R.string.scantool_baud);
    int baudValue = Integer.parseInt(settings.getString("scantool_baud", baudDefault));
    mCarInterface.setBaudRate(baudValue);

    String deviceNumDefault = getString(R.string.scantool_device_number);
    int deviceNumValue =
        Integer.parseInt(settings.getString("scantool_device_number", deviceNumDefault));
    mCarInterface.setDeviceNumber(deviceNumValue);

    String protocolCommandDefault = getString(R.string.scantool_protocol);
    String protocolCommandValue = settings.getString("scantool_protocol", protocolCommandDefault);
    mCarInterface.setProtocolCommand(protocolCommandValue);

    String monitorCommandDefault = getString(R.string.scantool_monitor_command);
    String monitorCommandValue =
        settings.getString("scantool_monitor_command", monitorCommandDefault);
    mCarInterface.setMonitorCommand(monitorCommandValue);
  }