code: public static RequestParams getRequestParams(String queryString) {
          if (null == queryString)
              return null;
  
          QueryStringParser parser = new QueryStringParser(queryString);
          RequestParams result = new RequestParams();
          while (parser.next()) {
              result.put(parser.getName(), parser.getValue());
          }
          return result;
      }
docs: Create a WonderPush.RequestParams from this query string