code: private String getNeutralButtonText() {
          SharedPreferences sharedPreferences =
                  PreferenceManager.getDefaultSharedPreferences(getActivity());
          String key = getString(R.string.neutral_button_text_preference_key);
          String defaultValue = getString(R.string.neutral_button_text_preference_default_value);
          return sharedPreferences.getString(key, defaultValue);
      }
docs: Returns the text of the example dialog's neutral button.
  
  @return The text of the neutral button