Android fragment :should back to fresh page -

i have 2 fragment , b. fragment : have 1 view, scroll view bottom. after move fragment b, touch @ fragment b move fragment a, want see view have scroll top(same refresh layout fragment a. when oncreate).

my view : newheader, pulltoreveallistview, button search , framelayout parent

use function inflate first fragment i.e call function in oncreateview of fragment a

public view createpersistentview(layoutinflater inflater,             viewgroup container, bundle savedinstancestate, int layout) {         if (_rootview == null) {              _rootview = inflater.inflate(layout, null);         } else {              ((viewgroup) _rootview.getparent()).removeview(_rootview);         }          return _rootview;     }