前面一篇文章介绍了如何使用ksoap获取天气信息，但是使用的网络资源受到了限制，所以我们这里会采用第二种方法，可以无限制的获取。http://m.weather.com.cn/data/101010100.html 但是对应的101010100(北京)我们怎么获取呢，还有就是图片资源怎么来的呢？http://m.weather.com.cn/img/b1.gif这个是图片资源，但是每次从网上去还是比较费流量的，我仔细对比了Ksoap中给的gif图片资源，和中国气象局的这个图片都是一一对应的，所以这里我会做成本地图片。
{"weatherinfo":{<!-- 基本信息 -->"city":"北京","city_en":"北京","date_y":"2013年5月14日","date":"","week":"星期一","fchh":"08","cityid":"101010100",<!-- 从今天开始到第六天的每天的天气情况，这里的温度是摄氏温度 -->"temp1":"29℃~23℃","temp2":"26℃~20℃","temp3":"24℃~20℃","temp4":"25℃~20℃","temp5":"24℃~21℃","temp6":"25℃~22℃",<!-- 从今天开始到第六天的每天的天气情况，这里的温度是华氏温度 -->"tempF1":"84.2℉~73.4℉","tempF2":"78.8℉~68℉","tempF3":"75.2℉~68℉","tempF4":"77℉~68℉","tempF5":"75.2℉~69.8℉","tempF6":"77℉~71.6℉",<!-- 天气描述 -->"weather1":"阵雨转中雨","weather2":"中雨转小雨","weather3":"小雨","weather4":"小雨","weather5":"小雨转阵雨","weather6":"阵雨转小雨",<!-- 天气描述图片序号 -->"img1":"3","img2":"8","img3":"8","img4":"7","img5":"7","img6":"99","img7":"7","img8":"99","img9":"7","img10":"3","img11":"3","img12":"7","img_single":"3",<!-- 图片名称 -->"img_title1":"阵雨","img_title2":"中雨","img_title3":"中雨","img_title4":"小雨","img_title5":"小雨","img_title6":"小雨","img_title7":"小雨","img_title8":"小雨","img_title9":"小雨","img_title10":"阵雨","img_title11":"阵雨","img_title12":"小雨","img_title_single":"阵雨",<!-- 风速描述 -->"wind1":"微风","wind2":"微风","wind3":"微风","wind4":"微风","wind5":"微风","wind6":"微风","fx1":"微风","fx2":"微风",<!-- 风速级别描述 -->"fl1":"小于3级","fl2":"小于3级","fl3":"小于3级","fl4":"小于3级","fl5":"小于3级","fl6":"小于3级",<!-- 今天穿衣指数 -->"index":"热","index_d":"天气较热，建议着短裙、短裤、短套装、T恤等夏季服装。年老体弱者宜着长袖衬衫和单裤。",<!-- 48小时穿衣指数 -->"index48":"暖","index48_d":"较凉爽，建议着长袖衬衫加单裤等春秋过渡装。年老体弱者宜着针织长袖衬衫、马甲和长裤。",<!-- 紫外线及48小时紫外线 -->"index_uv":"弱","index48_uv":"最弱",<!-- 洗车 -->"index_xc":"不宜",<!-- 旅游 -->"index_tr":"适宜",、<!-- 舒适指数 -->"index_co":"较不舒适","st1":"27","st2":"21","st3":"24","st4":"18","st5":"22","st6":"18",<!-- 晨练 -->"index_cl":"较不宜",<!-- 晾晒 -->"index_ls":"不太适宜",<!-- 过敏 -->"index_ag":"不易发"}
}下面我主要讲下程序：
1.1城市代码获取
这里我把下载下来的城市代码的空行给去掉了，把文件保存为txt格式（UTF-8另存为可以看见）。下载地址：http://download.csdn.net/detail/feiyangxiaomi/6261685程序中的读取方法为：
/**************************************************************************************** 注意在读入txt的时候是UTF-8，自己看好自己的txt文本格式，在另存为就可以看出来。*/
private Map<String,String> cityCodes; //根据城市信息索引自己的code
private List<String> citys; //给城市做数据源
private void getAssetsContent(){try {String buf;citys = new ArrayList<String>();cityCodes = new HashMap<String, String>();InputStream input = this.getAssets().open("cityCode.txt");BufferedReader br = new BufferedReader(new InputStreamReader(input,"UTF-8"));while((buf = br.readLine())!=null){String[] codeCity = buf.split("=");citys.add(codeCity[1]);cityCodes.put(codeCity[1], codeCity[0]);}} catch (IOException e) {// TODO Auto-generated catch blockLog.i(TAG, e.toString());e.printStackTrace();}
}
在使用的时候直接索引对应的城市即可。文件夹放在assets目录下，为不受编译才部分。
1.2网络数据的使用
private void refreshUI(JSONObject jsonobject){JSONObject jsonData = jsonobject;try{TextView today_text = (TextView) findViewById(R.id.today);today_text.setText(jsonData.getString("date_y"));TextView city_text = (TextView) findViewById(R.id.city_text);city_text.setText(jsonData.getString("city"));TextView today_weather = (TextView) findViewById(R.id.today_weather);today_weather.setText(jsonData.getString("weather1"));// 取得<string>15℃/21℃</string>中的数据TextView qiweng_text = (TextView) findViewById(R.id.qiweng);qiweng_text.setText(jsonData.getString("temp1"));// 取得<string>今日天气风速情况TextView shidu_text = (TextView) findViewById(R.id.shidu);shidu_text.setText(jsonData.getString("wind1"));// 取得<string>东北风3-4级</string>中的数据TextView fengli_text = (TextView) findViewById(R.id.fengli);fengli_text.setText(jsonData.getString("fl1"));// 取得<string>舒适指数和紫外线强度TextView kongqi_text = (TextView) findViewById(R.id.kongqi);kongqi_text.setText(jsonData.getString("index_co"));TextView zhiwai_text = (TextView) findViewById(R.id.zhiwai);zhiwai_text.setText(jsonData.getString("index_uv"));// 设置小贴士数据TextView xiaotieshi_text = (TextView) findViewById(R.id.xiaotieshi);xiaotieshi_text.setText("今日小贴士："+jsonData.getString("index_d"));// 设置当日图片ImageView image = (ImageView) findViewById(R.id.imageView1);int icon = parseIcon(jsonData.getString("img1")+".gif");image.setImageResource(icon);// 取得第二天的天气情况TextView tomorrow_date = (TextView) findViewById(R.id.tomorrow_date);tomorrow_date.setText(jsonData.getString("weather2"));TextView tomorrow_qiweng = (TextView) findViewById(R.id.tomorrow_qiweng);tomorrow_qiweng.setText(jsonData.getString("temp2"));TextView tomorrow_tianqi = (TextView) findViewById(R.id.tomorrow_tianqi);tomorrow_tianqi.setText(jsonData.getString("wind2"));ImageView tomorrow_image = (ImageView) findViewById(R.id.tomorrow_image);int icon1 = parseIcon(jsonData.getString("img3")+".gif");tomorrow_image.setImageResource(icon1);// 取得第三天的天气情况TextView afterday_date = (TextView) findViewById(R.id.afterday_date);afterday_date.setText(jsonData.getString("weather3"));TextView afterday_qiweng = (TextView) findViewById(R.id.afterday_qiweng);afterday_qiweng.setText(jsonData.getString("temp3"));TextView afterday_tianqi = (TextView) findViewById(R.id.afterday_tianqi);afterday_tianqi.setText(jsonData.getString("wind3"));ImageView afterday_image = (ImageView) findViewById(R.id.afterday_image);int icon2 = parseIcon(jsonData.getString("img5")+".gif");afterday_image.setImageResource(icon2);// 取得第四天的天气情况TextView nextday_date = (TextView) findViewById(R.id.nextday_date);nextday_date.setText(jsonData.getString("weather4"));TextView nextday_qiweng = (TextView) findViewById(R.id.nextday_qiweng);nextday_qiweng.setText(jsonData.getString("temp4"));TextView nextday_tianqi = (TextView) findViewById(R.id.nextday_tianqi);nextday_tianqi.setText(jsonData.getString("wind4"));ImageView nextday_image = (ImageView) findViewById(R.id.nextday_image);int icon3 = parseIcon(jsonData.getString("img7")+".gif");nextday_image.setImageResource(icon3);}catch(Exception e){e.printStackTrace();}}这里我们直接获取网络上的JSON数据，把数据放入对应的位置即可，图片资源的使用方法不变，还是放在本地drawalbe文件下。
1.3图片资源的使用
// 工具方法，该方法负责把返回的天气图标字符串，转换为程序的图片资源ID。
private int parseIcon(String strIcon)
{if (strIcon == null)return -1;if ("0.gif".equals(strIcon))return R.drawable.a_0;if ("1.gif".equals(strIcon))return R.drawable.a_1;if ("2.gif".equals(strIcon))return R.drawable.a_2;if ("3.gif".equals(strIcon))return R.drawable.a_3;……
这里就不全部贴上了。
1.4最重要的一件事情
（1）源码http://download.csdn.net/detail/feiyangxiaomi/6261805（2）资源（源码里面有）
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