/** 查询选中市内所有的县，优先从数据库中查询，如果没有查询到再去服务器上查询 */
private void queryCounties() {
countyList = terrificWeatherDB.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");
}
}
/** 查询选中省份内所有的市,优先从数据库中查询，如果没有再到服务器上查询 */
private void queryCites() {
cityList = terrificWeatherDB.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 = LEVEN_CITY;
} else {
queryFromServer(selectedProvince.getProvinceCode(), "city");
}
}