@Override
  public View getView(final int position, View convertView, ViewGroup arg2) {
    ViewHolder holder;
    if (convertView == null) {
      holder = new ViewHolder();
      convertView = mInflater.inflate(R.layout.item_events_message, null);
      holder.tv_message = (TextView) convertView.findViewById(R.id.tv_message);
      holder.tv_time = (TextView) convertView.findViewById(R.id.tv_time);
      convertView.setTag(holder);
    } else {
      holder = (ViewHolder) convertView.getTag();
    }

    GDMessage msg = list.get(position);
    // 去掉前面的
    // content=来自 跑步群发消息:嘟嘟嘟
    String message = msg.getContent().substring(msg.getContent().indexOf(":") + 1);
    holder.tv_message.setText(message);
    String time = msg.getCreated_at().trim();
    try {
      holder.tv_time.setText(GDUtil.getTimeDiff2(dwf.parse(time)));
    } catch (ParseException e1) {
      e1.printStackTrace();
    }
    return convertView;
  }