@Override
    protected Bitmap doInBackground(Void... arg0) {
      if (t_interaction_news.getPicture_path() != null
          && t_interaction_news.getPicture_path().length() > 0) {
        String imageuri = "";
        imageuri += network_interface_paths.get_project_root;
        imageuri += t_interaction_news.getPicture_path();
        System.out.println("imageurl-->" + imageuri);
        utils_picture_caches.getInstance().init(getActivity()); // 初始化图片缓存
        ImageLoader.getInstance()
            .loadImage(
                imageuri,
                new ImageLoadingListener() {
                  @Override
                  public void onLoadingStarted(String arg0, View arg1) {
                    System.out.println("onLoadingStarted");
                  }

                  @Override
                  public void onLoadingFailed(String arg0, View arg1, FailReason arg2) {
                    System.out.println("onLoadingFailed");
                  }

                  @Override
                  public void onLoadingComplete(String arg0, View arg1, Bitmap drawable) {
                    System.out.println("onLoadingComplete:" + drawable);
                    Message msg = new Message();
                    msg.what = 1;
                    msg.obj = drawable;
                    handler.sendMessage(msg);
                  }

                  @Override
                  public void onLoadingCancelled(String arg0, View arg1) {
                    System.out.println("onLoadingCancelled");
                  }
                });
        return null;
      } else {
        return null;
      }
    }
 public void addBitMapToImage(table_interaction_news t_interaction_news, int j, int i) {
   LinearLayout item_layout = null;
   if (view_map.containsKey(t_interaction_news.getNews_id())) {
     item_layout = (LinearLayout) view_map.get(t_interaction_news.getNews_id());
     System.out.println("view_map.containsKey-->" + t_interaction_news.getNews_id());
     if (j == 0) {
       news_layout_01.removeView(item_layout);
       news_layout_01.addView(item_layout);
     } else if (j == 1) {
       news_layout_02.removeView(item_layout);
       news_layout_02.addView(item_layout);
     }
   } else {
     item_layout =
         (LinearLayout) inflater.inflate(R.layout.z_fragment_interaction_news_listview_item, null);
     ImageDownLoadAsyncTask imageTask =
         new ImageDownLoadAsyncTask(t_interaction_news, image_width);
     imageTask.setItem_layout(item_layout);
     imageTask.execute();
     item_layout.setTag(String.valueOf(i));
     item_layout.setOnClickListener(
         new OnClickListener() {
           @Override
           public void onClick(View v) {
             Toast.makeText(getActivity(), "您点击了第" + v.getTag() + "个Item", Toast.LENGTH_SHORT)
                 .show();
           }
         });
     if (j == 0) {
       news_layout_01.addView(item_layout);
     } else if (j == 1) {
       news_layout_02.addView(item_layout);
     }
     view_map.put(t_interaction_news.getNews_id(), item_layout);
     System.out.println("view_map.addKey-->" + t_interaction_news.getNews_id());
   }
 }
    @Override
    protected void onPostExecute(Bitmap drawable) {
      // TODO Auto-generated method stub
      super.onPostExecute(drawable);
      TextView news_title = (TextView) item_layout.findViewById(R.id.fragment_news_title_textview);
      TextView news_org = (TextView) item_layout.findViewById(R.id.fragment_news_org_textview);
      TextView news_time = (TextView) item_layout.findViewById(R.id.fragment_news_date_textview);
      TextView news_content =
          (TextView) item_layout.findViewById(R.id.fragment_news_content_textview);

      TextView zan_count =
          (TextView) item_layout.findViewById(R.id.fragment_news_zan_count_textview);
      TextView comment_count =
          (TextView) item_layout.findViewById(R.id.fragment_news_comment_count_textview);
      TextView share_count =
          (TextView) item_layout.findViewById(R.id.fragment_news_share_count_textview);
      TextView collect_count =
          (TextView) item_layout.findViewById(R.id.fragment_news_collect_count_textview);

      news_title.setText(t_interaction_news.getNews_title());
      news_org.setText(t_interaction_news.getNews_org_name());
      news_time.setText(t_interaction_news.getPublish_time());
      String content_str = "";
      if (t_interaction_news.getNews_content() != null
          && t_interaction_news.getNews_content().length() > 0) {
        if (t_interaction_news.getNews_content().length() > 23) {
          content_str = t_interaction_news.getNews_content().substring(0, 20) + "...";
        } else {
          content_str = t_interaction_news.getNews_content();
        }
      }
      news_content.setText(content_str);
      zan_count.setText(t_interaction_news.getPraise_count());
      comment_count.setText(t_interaction_news.getComment_count());
      share_count.setText(t_interaction_news.getShare_count());
      collect_count.setText(t_interaction_news.getCollect_count());
    }