private void initSlidingMenu()
{
    // configure the SlidingMenu
    menu = new SlidingMenu(this);
    menu.setMode(SlidingMenu.LEFT);
    menu.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
    menu.setShadowWidthRes(R.dimen.shadow_width);
    //        menu.setShadowDrawable(R.drawable.shadoew);
    menu.setBehindOffsetRes(R.dimen.slidingmenu_offset);
    //        menu.setFadeDegree(0.35f);
    menu.attachToActivity(this, SlidingMenu.SLIDING_WINDOW);
    menu.setMenu(R.layout.menu_main_sliding);
}

switch (slideStyle) {
    case SLIDING_WINDOW:
        mActionbarOverlay = false;
        ViewGroup decor = (ViewGroup) activity.getWindow().getDecorView();
        ViewGroup decorChild = (ViewGroup) decor.getChildAt(0);
        // save ActionBar themes that have transparent assets
        decorChild.setBackgroundResource(background);
        decor.removeView(decorChild);
        decor.addView(this);
        setContent(decorChild);
        break;
    case SLIDING_CONTENT:
        mActionbarOverlay = actionbarOverlay;
        // take the above view out of
        ViewGroup contentParent = (ViewGroup)activity.findViewById(android.R.id.content);
        View content = contentParent.getChildAt(0);
        contentParent.removeView(content);
        contentParent.addView(this);
        setContent(content);
        // save people from having transparent backgrounds
        if (content.getBackground() == null)
            content.setBackgroundResource(background);
        break;
    }