Android城市三级联动选择器

便捷、新颖的三级fdsafdsa联动城市选择器

/**
 * 城市Picker
 *
 * @author zihao
 *
 */
public class CityPicker extends LinearLayout {
    /** 滑动控件 */ fdsaf
    private ScrollerNumberPicker provincePicker;
    private ScrollerNumberPicker cityPicker;
    private ScrollerNumberPicker counyPicker;
    /** 选择监听 */
    private OnSelectingListener onSelectingListener;
    /** 刷新界面 */
    private static final int REFRESH_VIEW = 0x001 ;
    /** 临时日期 */
    private int tempProvinceIndex = - 1 ;
    private int temCityIndex = - 1 ;
    private int tempCounyIndex = - 1 ;
    private Context context;
    private List province_list = new ArrayList();
    private HashMap "" >> city_map = new HashMap "" >>();

    private HashMap "" >> couny_map = new HashMap "" >>();

    private CitycodeUtil citycodeUtil;
    private String city_code_string;
    private String city_string;

    public CityPicker(Context context, AttributeSet attrs) {
        super (context, attrs);
        this .context = context;
        getaddressinfo();
        // TODO Auto-generated constructor stub
    }

    public CityPicker(Context context) {
        super (context);
        this .context = context;
        getaddressinfo();
        // TODO Auto-generated constructor stub
    }

    // 获取城市信息
    private void getaddressinfo() {
        // TODO Auto-generated method stub
        // 读取城市信息string
        JSONParser parser = new JSONParser();
        String area_str = FileUtil.readAssets(context, "area.json" );
        province_list = parser.getJSONParserResult(area_str, "area0" );
        city_map = parser.getJSONParserResultArray(area_str, "area1" );
        couny_map = parser.getJSONParserResultArray(area_str, "area2" );
    }

    public static class JSONParser {
        public ArrayList province_list_code = new ArrayList();
        public ArrayList city_list_code = new ArrayList();

        public List getJSONParserResult(String JSONString, String key) {
            List list = new ArrayList();
            JsonObject result = new JsonParser().parse(JSONString)
                    .getAsJsonObject().getAsJsonObject(key);

            Iterator iterator = result.entrySet().iterator();
            while (iterator.hasNext()) {
                @SuppressWarnings ( "unchecked" )
                Map.Entry "" > entry = (Entry "" >) iterator

                        .next();
                Cityinfo cityinfo = new Cityinfo();

                cityinfo.setCity_name(entry.getValue().getAsString());
                cityinfo.setId(entry.getKey());
                province_list_code.add(entry.getKey());
                list.add(cityinfo);
            }
            System.out.println(province_list_code.size());
            return list;
        }

        public HashMap "" >> getJSONParserResultArray(

                String JSONString, String key) {
            HashMap "" >> hashMap = new HashMap "" >>();

            JsonObject result = new JsonParser().parse(JSONString)
                    .getAsJsonObject().getAsJsonObject(key);

            Iterator iterator = result.entrySet().iterator();
            while (iterator.hasNext()) {
                @SuppressWarnings ( "unchecked" )
                Map.Entry "" > entry = (Entry "" >) iterator

                        .next();
                List list = new ArrayList();
                JsonArray array = entry.getValue().getAsJsonArray();
                for ( int i = 0 ; i < array.size(); i++) {
                    Cityinfo cityinfo = new Cityinfo();
                    cityinfo.setCity_name(array.get(i).getAsJsonArray().get( 0 )
                            .getAsString());
                    cityinfo.setId(array.get(i).getAsJsonArray().get( 1 )
                            .getAsString());
                    city_list_code.add(array.get(i).getAsJsonArray().get( 1 )
                            .getAsString());
                    list.add(cityinfo);
                }
                hashMap.put(entry.getKey(), list);
            }
            return hashMap;
        }
    }

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