code: package freed.cam.apis.featuredetector.camera2;
  
  import android.hardware.camera2.CameraCharacteristics;
  import android.os.Build;
  
  import androidx.annotation.RequiresApi;
  
  import com.troop.freedcam.R;
  
  import freed.FreedApplication;
  import freed.settings.SettingKeys;
  
  @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
  public class OisDetector extends BaseParameter2Detector {
  
      private final String TAG = OisDetector.class.getSimpleName();
  
      @Override
      protected void findAndFillSettings(CameraCharacteristics characteristics) {
          int[] oisvalues = characteristics.get(CameraCharacteristics.LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION);
          boolean ois_supported= false;
          if (oisvalues.length > 1)
          {
              if (oisvalues[0] == 1)
                  ois_supported =true;
              if (oisvalues[1] == 1)
                  ois_supported = true;
          }
          else if (oisvalues.length == 1)
              if (oisvalues[0] == 1)
                  ois_supported = true;
  
          /*if (!ois_supported)
          {
              try{
                  byte ois = characteristics.get(CameraCharacteristicsXiaomi.teleois_supported);
                  if (ois == (byte)1)
                      ois_supported = true;
              }
              catch (IllegalArgumentException | NullPointerException ex)
              {
                  Log.d(TAG, "No Xiaomi ois");
              }
          }*/
          if (ois_supported)
          {
              String[] values = new String[2];
              values[0] = FreedApplication.getStringFromRessources(R.string.off) + ",0";
              values[1] = FreedApplication.getStringFromRessources(R.string.on) + ",1";
              settingsManager.get(SettingKeys.OIS_MODE).setValues(values);
              settingsManager.get(SettingKeys.OIS_MODE).setIsSupported(true);
              settingsManager.get(SettingKeys.OIS_MODE).set(FreedApplication.getStringFromRessources(R.string.on));
          }
          else
              settingsManager.get(SettingKeys.OIS_MODE).setIsSupported(false);
      }
  }
  