网页头部的声明应该是用 lang="zh" 还是 lang="zh-cn"? 添加评论 查看全部 12 个回答 skydiver ,程序员 5 人赞同 两种写法都可以,看你的需求选择.参考 W3C: Language information and text direction: Briefly, language codes consist of a primary code and a possibly empty series of subcode
最标准的写法,就是为每一个AdapterView的子View新建一个对应的ViewHolder,同时声明为prtivate final static.ViewHolder类中定义各种成员变量. public final static class ViewHolder{ ImageView iv; TextView text; Button btn; } 在适配器的getView()方法中我们一般会这么写: public View getView(int position, View conver
/* Navicat MySQL Data Transfer Source Server : localhost_3306 Source Server Version : 50549 Source Host : localhost:3306 Source Database : testmarket Target Server Type : MYSQL Target Server Version : 50549 File Encoding : 65001 Date: 2017-09-11 17:1