code: @Override
      public boolean onCreatePanelMenu(int featureId, Menu menu) {
          if (ActionBarSherlock.DEBUG) Log.d(TAG, "[onCreatePanelMenu] featureId: " + featureId + ", menu: " + menu);
  
          if (featureId == Window.FEATURE_OPTIONS_PANEL) {
              boolean result = onCreateOptionsMenu(menu);
              if (ActionBarSherlock.DEBUG) Log.d(TAG, "[onCreatePanelMenu] activity create result: " + result);
  
              MenuInflater inflater = getSupportMenuInflater();
              boolean show = false;
              ArrayList<Fragment> newMenus = null;
              if (mFragments.mAdded != null) {
                  for (int i = 0; i < mFragments.mAdded.size(); i++) {
                      Fragment f = mFragments.mAdded.get(i);
                      if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible && f instanceof OnCreateOptionsMenuListener) {
                          show = true;
                          ((OnCreateOptionsMenuListener)f).onCreateOptionsMenu(menu, inflater);
                          if (newMenus == null) {
                              newMenus = new ArrayList<Fragment>();
                          }
                          newMenus.add(f);
                      }
                  }
              }
  
              if (mCreatedMenus != null) {
                  for (int i = 0; i < mCreatedMenus.size(); i++) {
                      Fragment f = mCreatedMenus.get(i);
                      if (newMenus == null || !newMenus.contains(f)) {
                          f.onDestroyOptionsMenu();
                      }
                  }
              }
  
              mCreatedMenus = newMenus;
  
              if (ActionBarSherlock.DEBUG) Log.d(TAG, "[onCreatePanelMenu] fragments create result: " + show);
              result |= show;
  
              if (ActionBarSherlock.DEBUG) Log.d(TAG, "[onCreatePanelMenu] returning " + result);
              return result;
          }
          return false;
      }
docs: /////////////////////////////////////////////////////////////////////////