Пример #1
0
 /** 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 queryCounty() {
   countyList = weatherDB.loadCounty(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");
   }
 }
Пример #2
0
  /** 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 = weatherDB.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");
    }
  }
Пример #3
0
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    isFromWeather = getIntent().getBooleanExtra("from_weather_activity", false);
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
    if (sp.getBoolean("city_selected", false) && !isFromWeather) {
      Intent intent = new Intent(this, Weather.class);
      startActivity(intent);
      finish();
      return;
    }
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.select_area);
    titleText = (TextView) findViewById(R.id.title_text);
    listView = (ListView) findViewById(R.id.list_view);
    adapter =
        new ArrayAdapter<String>(SelectArea.this, android.R.layout.simple_list_item_1, dataList);
    listView.setAdapter(adapter);
    weatherDB = WeatherDB.getInstance(this);
    listView.setOnItemClickListener(
        new OnItemClickListener() {

          @Override
          public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            if (currentLevel == LEVEL_PROVINCE) {
              selectedProvince = provinceList.get(position);
              queryCities();
            } else if (currentLevel == LEVEL_CITY) {
              selectedCity = cityList.get(position);
              queryCounty();
            } else if (currentLevel == LEVEL_COUNTY) {
              String countyCode = countyList.get(position).getCountyCode();
              String countyName = countyList.get(position).getCountyName();
              Intent intent = new Intent(SelectArea.this, Weather.class);
              intent.putExtra("county_code", countyCode);
              intent.putExtra("county_name", countyName);
              startActivity(intent);
              finish();
            }
          }
        });

    queryProvinces(); // 加载省级数据
  }