Android笔记：高德地图-点击获得目的经纬度，根据经纬度获取地址（逆地理编码）

 /**
 * 
 * @author 程龙
 */
public class AddEnterprisesActivity extends Activity implements LocationSource,
        AMapLocationListener, AMap.OnMapClickListener, GeocodeSearch.OnGeocodeSearchListener {
 @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_chose_address);
        initUi();
        mapView.onCreate(savedInstanceState);
    }
    @Override
    protected void initUi() {
        mapView = (MapView) findViewById(R.id.mv_map);
        aMap = mapView.getMap();
        aMap.setOnMapLongClickListener(this);
        //地理搜索类
        geocodeSearch = new GeocodeSearch(this);
        geocodeSearch.setOnGeocodeSearchListener(this);
        //大家可根据自己的需要初始化map和对map进行一些设置，在这里我就不写了。
    }
 /**
     * map点击事件
     * @param latLng 经纬度
     */
    @Override
    public void onMapClick(LatLng latLng) {
        aMap.clear();
        latitude = latLng.latitude;
        longitude = latLng.longitude;
        MarkerOptions otMarkerOptions = new MarkerOptions();
        otMarkerOptions.icon(BitmapDescriptorFactory.fromResource(R.drawable.weizhi));
        otMarkerOptions.position(latLng);
        getAddressByLatlng(latLng);
        aMap.addMarker(otMarkerOptions);
        aMap.moveCamera(CameraUpdateFactory.changeLatLng(latLng));
    }
    private void getAddressByLatlng(LatLng latLng) {
        //逆地理编码查询条件：逆地理编码查询的地理坐标点、查询范围、坐标类型。
        LatLonPoint latLonPoint = new LatLonPoint(latLng.latitude, latLng.longitude);
        RegeocodeQuery query = new RegeocodeQuery(latLonPoint, 500f, GeocodeSearch.AMAP);
        //异步查询
        geocodeSearch.getFromLocationAsyn(query);
    }
     /**
     *  得到逆地理编码异步查询结果
     */
    @Override
    public void onRegeocodeSearched(RegeocodeResult regeocodeResult, int i) {
        RegeocodeAddress regeocodeAddress = regeocodeResult.getRegeocodeAddress();
        String formatAddress = regeocodeAddress.getFormatAddress();
        simpleAddress = formatAddress.substring(9);
        tvChoseAddress.setText("查询经纬度对应详细地址：\n" + simpleAddress);
    }
//这里再提供另外一种方法
    private void getLatlon(String cityName){
        GeocodeSearch geocodeSearch=new GeocodeSearch(context);
        geocodeSearch.setOnGeocodeSearchListener(new GeocodeSearch.OnGeocodeSearchListener() {
            @Override
            public void onRegeocodeSearched(RegeocodeResult regeocodeResult, int i) {
            }
            @Override
            public void onGeocodeSearched(GeocodeResult geocodeResult, int i) {
                if (i==1000){
                    if (geocodeResult!=null && geocodeResult.getGeocodeAddressList()!=null &&
                            geocodeResult.getGeocodeAddressList().size()>0){
                        GeocodeAddress geocodeAddress = geocodeResult.getGeocodeAddressList().get(0);
                        double latitude = geocodeAddress.getLatLonPoint().getLatitude();//纬度
                        double longititude = geocodeAddress.getLatLonPoint().getLongitude();//经度
                        String adcode= geocodeAddress.getAdcode();//区域编码
                        Log.e("地理编码", geocodeAddress.getAdcode()+"");
                        Log.e("纬度latitude",latitude+"");
                        Log.e("经度longititude",longititude+"");
                    }else {
                        ToastUtils.show(context,"地址名出错");
                    }
                }
            }
        });
        GeocodeQuery geocodeQuery=new GeocodeQuery(cityName.trim(),"29");
        geocodeSearch.getFromLocationNameAsyn(geocodeQuery);
    }
    }