@Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   PreferenceManager.setDefaultValues(getActivity(), R.xml.graph_settings, false);
   addPreferencesFromResource(R.xml.graph_settings);
 }
 @Override
 public void decorate() {
   super.decorate();
   decorator.decorateTypeSpecificSettings();
 }
 @Override
 public void onResume() {
   super.onResume();
   getSupportActionBar().setSubtitle("Settings");
 }
 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   addPreferencesFromResource(R.xml.preferences);
 }
 @Override
 public void onActivityCreated(Bundle savedInstanceState) {
   super.onActivityCreated(savedInstanceState);
   setHasOptionsMenu(true);
 }