Android 通过单击AddRoom，我希望附加与前面显示的对话框相同的对话框。是否有机会使用片段显示嵌套对话框

通过单击“添加房间”，我希望附加与前面显示的对话框相同的对话框。是否有机会使用片段显示嵌套对话框

AddRoom.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

           final FragmentManager fm=getChildFragmentManager();
            Room_Selection_Dialog_Fragment RSDF=new Room_Selection_Dialog_Fragment();


            if(fm!=null)
            {
                AddRoom.setVisibility(View.GONE);
                Done.setVisibility(View.GONE);
                cancel_action.setVisibility(View.VISIBLE);

                FragmentTransaction ft=fm.beginTransaction();
                ft.add(R.id.buttonslayout,RSDF);

                RSDF.Done.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {

                        int fadultvalue,fchildvalue,froomval;
                        froomval=gfv.getFinalnoofrooms();
                        fadultvalue=gfv.getFinalnoofadultscount();
                        fchildvalue=gfv.getFinalnoofchildcount();
                        donelistener.OnFinishRequiredRooms(froomval,fadultvalue,fchildvalue);
                        getDialog().dismiss();

                    }
                });

                ft.commit();
            }


        }
    });