AndroidCityPicker仿IOS选择效果

Posted lxjshuju

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近期的一个项目由于android端与ios端须要同步,所以在城市选择器这里做了一个相似IOS的CityPicker控件,当然由于本人水平问题显示效果比IOS上面还是有一定差距的。OK先让大家看下效果。技术分享

由于项目中是一个两级连选,所以这个DEMO仅仅用也就没有放上县级的数据。假设有须要实现三级连选的朋友。能够參照代码加上即可了。

内部使用的WheelView控件来自https://github.com/wangjiegulu/WheelView,在他的基础上进行和一些改动了备注,使他更适合于进行3级的城市连选,须要的朋友能够下载下来看一下。
附上部分代码片段。

数据的获取,全部的数据来自于CityManage对象。
public class CityManage {

    private SQLiteDatabase database;

    public CityManage(Context context){
        database = CityDatabase.openDatabase(context);

    }

    /**
     * 获取全部的省市名称
     */
    public List<String> getAllNames(){
        List<String> result = new ArrayList<>();

        Cursor cursor = database.query("region",new String[]{"name"},null,null,null,null,null);

        while (cursor.moveToNext()){
                result.add(cursor.getString(0));

        }

        return result;
    }

    /**
     * 获取全部省的名称
     */
    public List<String> getProvinceNames(){
        List<String> result = new ArrayList<>();

        Cursor cursor = database.query("region",new String[]{"name"},"parent_id = 1",null,null,null,null,null);

        while (cursor.moveToNext()){
            result.add(cursor.getString(0));

        }

        return result;
    }

    /**
     * 依据省市的ID获取省市的名称
     */
    public String getProvinceNameFromProvinceId(String provinceId){
        String result = "找不到桑";
        Cursor cursor = database.query("region",new String[]{"name"},"region_id = ?

",new String[]{provinceId},null,null,null,null); while (cursor.moveToNext()){ result = cursor.getString(0); } return result; } /** * 依据省市的名称获取省市的ID */ public String getProvinceIdFromProvinceName(String provinceName){ String result = "找不到桑"; Cursor cursor = database.query("region",new String[]{"region_id"},"name = ?",new String[]{provinceName},null,null,null,null); while (cursor.moveToNext()){ result = cursor.getString(0); } return result; } /** * 依据省的ID获取它包括的全部市的名称 */ public List<String> getCityNameFromProvinceId(String provinceId){ List<String> result = new ArrayList<>(); Cursor cursor = database.query("region",new String[]{"name"},"parent_id = ?",new String[]{provinceId},null,null,null,null); while (cursor.moveToNext()){ result.add(cursor.getString(0)); } return result; } /** * 依据省的ID获取它包括的全部市的模型 */ public List<CityModel> getCityModelFromProvinceId(String provinceId){ List<CityModel> result = new ArrayList<>(); Cursor cursor = database.query("region",null,"parent_id = ?",new String[]{provinceId},null,null,null,null); while (cursor.moveToNext()){ CityModel cityModel = new CityModel(); //城市ID int indexId = cursor.getColumnIndex("region_id"); cityModel.setCityId(cursor.getString(indexId)); //城市名 int indexCityName = cursor.getColumnIndex("name"); cityModel.setCityName(cursor.getString(indexCityName)); //所属省ID int indexProvinceId = cursor.getColumnIndex("parent_id"); cityModel.setProvinceId(cursor.getString(indexProvinceId)); //所属省名称 cityModel.setProvinceName(getProvinceNameFromProvinceId(cityModel.getProvinceId())); result.add(cityModel); } return result; } /** * 依据省市的ID获取省市的模型 */ public CityModel getCityModelFormCityId(String cityId){ CityModel result = new CityModel(); Cursor cursor = database.query("region",null,"region_id = ?

",new String[]{cityId},null,null,null,null); while (cursor.moveToNext()){ //城市ID int indexId = cursor.getColumnIndex("region_id"); result.setCityId(cursor.getString(indexId)); //城市名 int indexCityName = cursor.getColumnIndex("name"); result.setCityName(cursor.getString(indexCityName)); //所属省ID int indexProvinceId = cursor.getColumnIndex("parent_id"); result.setProvinceId(cursor.getString(indexProvinceId)); //所属省名称 result.setProvinceName(getProvinceNameFromProvinceId(result.getProvinceId())); } return result; } /** * 依据省市的名称获取省市的模型 */ public CityModel getCityModelFormCityName(String cityName){ CityModel result = new CityModel(); Cursor cursor = database.query("region",null,"name = ?",new String[]{cityName},null,null,null,null); while (cursor.moveToNext()){ //城市ID int indexId = cursor.getColumnIndex("region_id"); result.setCityId(cursor.getString(indexId)); //城市名 int indexCityName = cursor.getColumnIndex("name"); result.setCityName(cursor.getString(indexCityName)); //所属省ID int indexProvinceId = cursor.getColumnIndex("parent_id"); result.setProvinceId(cursor.getString(indexProvinceId)); //所属省名称 result.setProvinceName(getProvinceNameFromProvinceId(result.getProvinceId())); } return result; } }

连选关键
 wvProvince.setOnWheelViewListener(new WheelView.OnWheelViewListener(){
            @Override
            public void onSelected(int selectedIndex, String item) {
                super.onSelected(selectedIndex, item);

                //又一次初始化城市数据
                cityList = cityManage.getCityNameFromProvinceId(cityManage.getProvinceIdFromProvinceName(item));
                //替换显示数据
                wvCity.replace(cityList);
                wvCity.setSeletion(0);
            }
        });

对这个有兴趣的朋友把源代码下载下来看一下。

源代码下载地址: http://download.csdn.net/detail/u011068996/8983575


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