code: public void closeMenu(boolean withAnim) {
          mMenuOpen = false;
          closeMenuDrawable(mMenuBtnDrawable, withAnim);
          if (mOnMenuClickListener != null) {
              mOnMenuClickListener.onMenuClosed();
          }
      }
docs: Mimics a menu click that closes. Useful when fo navigation
  drawers when they close as a result of selecting and item.
  
  @param withAnim true, will close the menu button with
  the  Material animation