code: public void put(String url, String result) {
          if (TextUtils.isEmpty(url)) {
              return;
          }
  
          ContentValues contentValues = new ContentValues();
          contentValues.put(OfflinerDBHelper.REQUEST_RESULT, result);
          contentValues.put(OfflinerDBHelper.REQUEST_URL, url);
          contentValues.put(OfflinerDBHelper.REQUEST_TIMESTAMP, Calendar.getInstance().getTime().getTime());
  
          this.startQuery(
                  TOKEN_CHECK_SAVED_STATUS,
                  contentValues,
                  getUri(OfflinerDBHelper.TABLE_CACHE),
                  OfflinerDBHelper.PARAMS_CACHE,
                  OfflinerDBHelper.REQUEST_URL + " = '" + url + "'",
                  null,
                  null
          );
      }
docs: Save a result for offline access.
  
  @param url    key.
  @param result value.