code: protected String[] getParameterValues(String name) {
          if (activity.getRequestAdapter() != null) {
              return activity.getRequestAdapter().getParameterValues(name);
          } else {
              return null;
          }
      }
docs: Returns an array of {@code String} objects containing all
  of the values the given activity's request parameter has,
  or {@code null} if the parameter does not exist.
  
  @param name a {@code String} specifying the name of the parameter
  @return an array of {@code String} objects
  containing the parameter's values