求助各位大神LIstfragment中，分线程获取数据后刷新界面崩溃，用分线程加载数据后

如题：代码如下，要在viewpager中的一个fragment中加载一个listview,用分线程加载数据后，handleMessage给成员变量的集合赋值后，notify,会直接崩溃

/**

• 报警图片
  */
  public class AlarmPhotoFragment extends ListFragment {

  private int mType = 0;
  private ListView mListView;
  public static int type = 0;
  private String urlStr;
  private LayoutInflater mInflater;
  private List cids = new ArrayList();
  List lists = new ArrayList();
  LocalRecordAlarmAdapter mLocalRecordAlarmAdapter;
  private AlarmPhotoBean alarmPhotoBeans = new AlarmPhotoBean();

  int page = 1;

  private Handler handler = new Handler() {
  @Override
  public void handleMessage(Message msg) {
  super.handleMessage(msg);

      switch (msg.what) {
          case 9:
              String json = (String) msg.obj;
              Gson gson = new Gson();
              AlarmPhotoBean alarmPhotoBean = gson.fromJson(json, AlarmPhotoBean.class);
  
              CLog.v("alarmPhotoBean: " + alarmPhotoBean);
              if (!alarmPhotoBean.getBase_urls().isEmpty() && !alarmPhotoBean.getTimestamps().isEmpty()) {
                  List<AlarmPhotoBean.Timestamps> timestamps = alarmPhotoBean.getTimestamps();
                  List<AlarmPhotoBean.Timestamps.ListEntity> list = timestamps.get(0).getList();
  
                  CLog.v("alarmPhotoBeans:" + alarmPhotoBean);
                  lists.addAll(list);
                  alarmPhotoBeans = alarmPhotoBean;
                  com.lingyang.sdk.util.CLog.v("lists: " + lists);
                  notifyDataSetChanged();
              }
              break;
      }
  }
  

  };

  @Override
  public void onAttach(Activity activity) {
  super.onAttach(activity);
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  mType = getArguments().getInt("type", 0);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
  @Nullable Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  View view = inflater.inflate(R.layout.fragment_localrecord_alarm, container, false);

  initData();
  mInflater = inflater;
  page = 1;
  return view;
  

  }

  @Override
  public void onActivityCreated(@Nullable Bundle savedInstanceState) {
  super.onActivityCreated(savedInstanceState);
  mListView = getListView();
  if(mLocalRecordAlarmAdapter == null)
  {
  mLocalRecordAlarmAdapter = new LocalRecordAlarmAdapter(getActivity(), lists, alarmPhotoBeans);
  } else {
  setListAdapter(mLocalRecordAlarmAdapter);
  mLocalRecordAlarmAdapter.notifyDataSetChanged();
  }
  }

  private void notifyDataSetChanged() {
  if (mLocalRecordAlarmAdapter == null) {
  mLocalRecordAlarmAdapter = new LocalRecordAlarmAdapter(getActivity(), lists, alarmPhotoBeans);
  }
  CLog.v("notifyDataSetChanged()");
  setListAdapter(mLocalRecordAlarmAdapter);
  }

  /**

  • 初始化集合信息
    */
    private void initData() {
    Date dNow = new Date(); //当前时间
    long time = dNow.getTime();
    long begoreTime = TimeUtils.getBeforeTimeStamp(time);

    getTimeStamp(begoreTime, time);
    }

  public void getTimeStamp(long start, long end) {
  String userToken;
  String accessToken;
  List mListCamera = AttentionFragment.mListCamera;
  // for (final CameraResponse.MyCameras.Camera cameras : mListCamera) {
  final CameraResponse.MyCameras.Camera cameras = mListCamera.get(0);

      com.lingyang.sdk.util.CLog.v("cid: " + cameras.cid);
      userToken = CloudOpenAPI.getInstance().getUserToken();
      accessToken = CloudOpenAPI.getInstance().getDeviceToken(cameras.cid);
      urlStr = AlarmHttpUtils.TOTIMESTAMP + cameras.cid + "/snapshots?from=" + start / 1000 + "&type=3" + "&to=" + end / 1000
              + "&user_token=" + userToken + "&access_token=" + accessToken;
  
      cids.add(cameras.cid);
  
      Object obj = new Object();
      synchronized (obj) {
          new Thread() {
              public void run() {
                  try {
                      URL url = null;
                      HttpURLConnection conn = null;
                      InputStream is = null;
                      ByteArrayOutputStream baos = null;
                      try {
                          url = new URL(urlStr);
                          conn = (HttpURLConnection) url.openConnection();
                          conn.setReadTimeout(AlarmHttpUtils.TIMEOUT_IN_MILLIONS);
                          conn.setConnectTimeout(AlarmHttpUtils.TIMEOUT_IN_MILLIONS);
                          conn.setRequestMethod("GET");
                          conn.setRequestProperty("accept", "*/*");
                          conn.setRequestProperty("connection", "Keep-Alive");
                          com.lingyang.sdk.util.CLog.v("conn.getResponseCode(): " + conn.getResponseCode());
                          if (conn.getResponseCode() == 200) {
                              is = conn.getInputStream();
                              baos = new ByteArrayOutputStream();
                              int len = -1;
                              byte[] buf = new byte[128];
  
                              while ((len = is.read(buf)) != -1) {
                                  baos.write(buf, 0, len);
                              }
                              baos.flush();
                              baos.toString();
  
                              Message message = new Message();
                              message.what = 9;
                              message.obj = baos.toString();
                              handler.sendMessage(message);
                          } else {
                              throw new RuntimeException(" responseCode is not 200 ... ");
                          }
  
                      } catch (Exception e) {
                          e.printStackTrace();
                      } finally {
                          try {
                              if (is != null)
                                  is.close();
                          } catch (IOException e) {
                          }
                          try {
                              if (baos != null)
                                  baos.close();
                          } catch (IOException e) {
                          }
                          conn.disconnect();
                      }
                  } catch (Exception e) {
                      e.printStackTrace();
                  }
              }
          }.start();
      }
  

  // }
  }

  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
  super.onViewCreated(view, savedInstanceState);

  }
  @Override
  public void onResume() {
  super.onResume();

  }

}