// This has to be initialized before initialize().
 public void initializeParameters() {
   mFocusAreaSupported =
       (CameraController.getMaxFocusAreasSupported() > 0
           && isSupported(
               CameraParameters.AF_MODE_AUTO, CameraController.getSupportedFocusModes()));
   mMeteringAreaSupported = CameraController.getMaxMeteringAreasSupported() > 0;
 }