/** 查询选中市内所有的县,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 queryCounties() { countyList = coolWeatherDB.loadCounties(selectedCity.getId()); if (countyList.size() > 0) { dataList.clear(); for (County county : countyList) { dataList.add(county.getCountyName()); } adapter.notifyDataSetChanged(); listView.setSelection(0); titleText.setText(selectedCity.getCityName()); currentLevel = LEVEL_COUNTY; } else { queryFromServer(selectedCity.getCityCode(), "county"); } }
/** 解析和处理服务器返回的县级数据 */ public static synchronized boolean handleCountiesResponse( CoolWeatherDB coolWeatherDB, String response, int cityId) { if (!TextUtils.isEmpty(response)) { String[] allCounties = response.split(","); if (allCounties != null && allCounties.length > 0) { for (String c : allCounties) { String[] array = c.split("\\|"); County county = new County(); county.setCountyCode(array[0]); county.setCountyName(array[1]); county.setCityId(cityId); // 将解析出来的数据存储到County表 coolWeatherDB.saveCounty(county); } return true; } } return false; }