listview组件重用的完美解决

　　　　　　　　　　

　　　　　　完美解决（看涂鸦部分）


Map<Integer,View>map=new HashMap<>();
@Override
public View getView(int position, View convertView, ViewGroup parent) {
   ZanRanking data = list.get(position);
   ViewHolder holder = null;
   if (map.get(position) == null) {
      convertView = LayoutInflater.from(context).inflate(
            R.layout.fargment_fengyun_rangking_lv_item, null);
      holder = new ViewHolder();
      
      holder.tv_name = (TextView) convertView
            .findViewById(R.id.tv_name);

      holder.iv_pic = (ResizableImageView) convertView
            .findViewById(R.id.iv_pic);
      holder.tv_count = (TextView) convertView
            .findViewById(R.id.tv_count);
      holder.tv_ranking = (TextView) convertView
            .findViewById(R.id.tv_ranking);
      holder.iv_dianzan_pic = (ImageView) convertView
            .findViewById(R.id.iv_dianzan_pic);
      holder.tv_level = (TextView) convertView
            .findViewById(R.id.tv_level);
      holder.tv_power = (TextView) convertView.findViewById(R.id.tv_power);
      holder.tv = (TextView) convertView.findViewById(R.id.tv);

      map.put(position,convertView);
      convertView.setTag(holder);

   } else {
      convertView=map.get(position);
      holder = (ViewHolder) convertView.getTag();
   }


   if (!(list.get(position).getPraiseme()).equals("0") ) {
         holder.iv_dianzan_pic.setImageResource(R.drawable.dianzhihou);
   }



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