/** 查询全国所有的省,优先从数据库查询,如果没有查询到再去服务器上查询。 */
 private void queryProvinces() {
   provinceList = coolWeatherDB.loadProvinces();
   if (provinceList.size() > 0) {
     dataList.clear();
     for (Province province : provinceList) {
       dataList.add(province.getProvinceName());
     }
     adapter.notifyDataSetChanged();
     listView.setSelection(0);
     titleText.setText("中国");
     currentLevel = LEVEL_PROVINCE;
   } else {
     queryFromServer(null, "province");
   }
 }
 /** 查询选中省内所有的市,优先从数据库查询,如果没有查询到再去服务器上查询。 */
 private void queryCities() {
   cityList = coolWeatherDB.loadCities(selectedProvince.getId());
   if (cityList.size() > 0) {
     dataList.clear();
     for (City city : cityList) {
       dataList.add(city.getCityName());
     }
     adapter.notifyDataSetChanged();
     listView.setSelection(0);
     titleText.setText(selectedProvince.getProvinceName());
     currentLevel = LEVEL_CITY;
   } else {
     queryFromServer(selectedProvince.getProvinceCode(), "city");
   }
 }
Esempio n. 3
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 /** 解析和处理服务器返回的省级数据 */
 public static synchronized boolean handleProvincesResponse(
     CoolWeatherDB coolWeatherDB, String response) {
   if (!TextUtils.isEmpty(response)) {
     String[] allProvinces = response.split(",");
     if (allProvinces != null && allProvinces.length > 0) {
       for (String p : allProvinces) {
         String[] array = p.split("\\|");
         Province province = new Province();
         province.setProvinceCode(array[0]);
         province.setProvinceName(array[1]);
         // 将解析出来的数据存储到Province表
         coolWeatherDB.saveProvince(province);
       }
       return true;
     }
   }
   return false;
 }