code: private boolean shouldDividerTitleBeShown() {
          SharedPreferences sharedPreferences =
                  PreferenceManager.getDefaultSharedPreferences(getActivity());
          String key = getString(R.string.show_divider_title_preference_key);
          boolean defaultValue =
                  getResources().getBoolean(R.bool.show_divider_title_preference_default_value);
          return sharedPreferences.getBoolean(key, defaultValue);
      }
docs: Returns, whether the title of dividers should be shown, depending on the app's settings, or
  not.
  
  @return True, if the title of dividers should be shown, false otherwise