@Override
    protected String doInBackground(Void... params) {

      RestHelper.getInstance()
          .VoiceVerifyCode(
              mCurrentCode, "3", VoiceUtil.getStandardMDN(mNumber.getText().toString()), "", "");

      return null;
    }
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.layout_voice_verificaode_activity);

    handleTitleDisplay(
        getString(R.string.btn_title_back), getString(R.string.app_title_veri_code), null);

    initResourceRefs();

    RestHelper.getInstance().setOnRestHelperListener(this);
  }