How to restore Android ListView position? -

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i used code save list view position. how can restore it?

view c = listview.getchildat(0); int scrolly = -c.gettop() + listview.getfirstvisibleposition() * c.getheight();

this looking:

onresume(){

   refresh_your_data();     if(listview.getadapter()==null)     // create adapter     }     else     {     //create method in adapter refresh list of data     refill_data(listdata);     adapter.notifydatasetchanged();     }  }

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