Spinner not opening on touch in android -

i implementing spinner when touching spinner or on click on spinner , dropdown not opening.spinner array has 3 values.and parent layout linear layout xml

        <spinner         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:id="@+id/spinnerquestions"         android:layout_weight="1"/>          activity :-         ques =   getresources().getstringarray(r.array.select_question);         arrayadapter <string> adapter = new arrayadapter<string> (this,     r.layout.spinner_item, ques) { public view getview(int position, view convertview, viewgroup parent) { view v = super.getview(position, convertview, parent); return v; } public view getdropdownview(int position1,  view convertview1,          viewgroup parent1) { view v =super.getdropdownview(position1, convertview1, parent1); return v; } }; adapter.setdropdownviewresource(r.layout.spinner_dropdown_item); spinnerques.setadapter(adapter); spinnerques.setonitemselectedlistener(new       adapterview.onitemselectedlistener() { @override public void onitemselected(adapterview<?> parent, view view, int position, long id) {  questionid = string.valueof(position); } @override public void onnothingselected(adapterview<?> parent) {         }     }); 

issue resolved using actionbar activity. getting issue. changed actionbaractivity activity issue resolved.