How to roll a sliding panel on top of Android Activity -

i have sliding panel in activity. when rolls out pushes activity. make slide on top of activity. how can that?

slidingpanelayout.panelslidelistener panellistener = new slidingpanelayout.panelslidelistener() {              @override             public void onpanelclosed(view arg0) {                 // todo auto-genxxerated method stub                 getactionbar().settitle(getstring(r.string.app_name));              }              @override             public void onpanelopened(view arg0) {                 // todo auto-generated method stub                 getactionbar().settitle("titles");              }              @override             public void onpanelslide(view arg0, float arg1) {                 // todo auto-generated method stub              }          }; 

then use navigationdrawer instead of using slidingpanel