关于adapter的getView

Question

本帖最后由 backthought 于 2012-03-28 10:31:12 编辑

Answer 1

你这两种效率上差别不大吧，差别也就在于取值
现在网上资料中效率最高的应该就是保存到tag中，像下面这样
ViewHolder holder;            if (convertView == null) {
                // 获得ViewHolder对象
                holder = new ViewHolder();
                convertView = mInflater.inflate(R.layout.callinteritem, null);
                holder = new ViewHolder();
                holder.callName = (TextView) convertView
                        .findViewById(R.id.tv_interName);
                holder.callNumber = (TextView) convertView
                        .findViewById(R.id.tv_interNumber);
                holder.callcheck = (CheckBox) convertView
                        .findViewById(R.id.cb_inter);
                holder.inter_delete = (Button) findViewById(R.id.bt_ci_del);
                convertView.setTag(holder);
            } else {
                // 取出holder
                holder = (ViewHolder) convertView.getTag();            }
            holder.callName.setText(interlist.get(position).getCallInterName());
            holder.callNumber.setText(interlist.get(position)
                    .getCallInterNumber());
class ViewHolder {
            TextView callName;
            TextView callNumber;
            CheckBox callcheck;
            Button inter_delete;
        }