docs: public void findMatch(ArrayList<String> speechResult) {
  
          loadCadidateString();
  
          for (String matchCandidate : speechResult) {
  
              Locale localeDefault = mGvrContext.getActivity().getResources().getConfiguration().locale;
              if (volumeUp.equals(matchCandidate)) {
                  startVolumeUp();
                  break;
              } else if (volumeDown.toLowerCase(localeDefault).equals(matchCandidate.toLowerCase(localeDefault))) {
                  startVolumeDown();
                  break;
              } else if (zoomIn.toLowerCase(localeDefault).equals(matchCandidate.toLowerCase(localeDefault))) {
                  startZoomIn();
                  break;
              } else if (zoomOut.toLowerCase(localeDefault).equals(matchCandidate.toLowerCase(localeDefault))) {
                  startZoomOut();
                  break;
              } else if (invertedColors.toLowerCase(localeDefault).equals(matchCandidate.toLowerCase(localeDefault))) {
                  startInvertedColors();
                  break;
              } else if (talkBack.toLowerCase(localeDefault).equals(matchCandidate.toLowerCase(localeDefault))) {
                  enableTalkBack();
              } else if (disableTalkBack.toLowerCase(localeDefault).equals(matchCandidate.toLowerCase(localeDefault))) {
                  disableTalkBack();
              }
          }
      }