하위 라인에서handler를 사용하여 대상을 포함하는 집합을 주 라인에 전달하는 방법

 class TrackingThread extends Thread{
        String result;
        String status;
        int state;
        Bundle bundle=new Bundle();
        @Override
        public void run() {
           try{
               getTrackingDAL=new GetTrackingiDAL(TrackingService.this,DeviceID,Time,Map);
               result=getTrackingDAL.GetTrackingForMulti();
               status=getTrackingDAL.getTrakingState(result);
               state=Integer.parseInt(status);
               trackinglist=getTrackingDAL.getTrackingForMultiresult(result);
           }catch (Exception e){
               e.printStackTrace();
           }
            ArrayList arrayList=new ArrayList();// list 
            arrayList.add(tracking);
            bundle.putStringArrayList("Trackinglist",arrayList);
            Message msg=new Message();
            msg.obj=tracking;
            msg.what=state;
            msg.setData(bundle);
          trackingHanlder.sendMessage(msg);
        }
    }
 private Handler trackingForMultiHanlder=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            if(msg.what==0){
                ArrayList arrayList=msg.getData().getParcelableArrayList("Trackinglist");
                 trackinglist=arraylist.get(0);
                timerIntent.putParcelableArrayListExtra("Arraylist_tracking",arrayList);
                timerIntent.putExtra("state", msg.what);
                timerIntent.setAction(Constant.TRACKING_ACTION_FOR_MULTI);
                sendBroadcast(timerIntent);
            }