@Override
    protected boolean fitSystemWindows(Rect insets) {
        if (mDragMode == MENU_DRAG_WINDOW && mPosition != Position.BOTTOM) {
            mMenuContainer.setPadding(0, insets.top, 0, 0);
        }
        return super.fitSystemWindows(insets);
    }
Returns the size of the touch bezel in px.
menudrawer/src/net/simonvt/menudrawer/MenuDrawer.java