本地查询可以查询指定区域内诸如宾馆,邮局等用户感兴趣的地方。其使用方法和地址查询非常类似。
下面示例查询32.0616667, 118.7777778为中心点一定区域内宾馆的信息。
- package com.pstreets.gisengine.demo;
- import com.mapdigit.gis.MapPoint;
- import com.mapdigit.gis.geometry.GeoLatLng;
- import com.mapdigit.gis.service.DigitalMapService;
- import com.mapdigit.gis.service.IGeocodingListener;
- import com.pstreets.gisengine.R;
- import com.pstreets.gisengine.SharedMapInstance;
- import android.app.Activity;
- import android.os.Bundle;
- import android.view.Menu;
- import android.view.MenuInflater;
- import android.view.MenuItem;
- public class MapLocalSearch extends Activity implements IGeocodingListener {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- }
- @Override
- public void onStart() {
- super.onStart();
- GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);
- SharedMapInstance.map.setCenter(center, 15,
- com.mapdigit.gis.raster.MapType.MICROSOFTCHINA);
- DigitalMapService.getSearchOptions().LanguageID = "zh-cn";
- SharedMapInstance.map.setGeocodingListener(this);
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- MenuInflater inflater = getMenuInflater();
- inflater.inflate(R.menu.maplocalsearch_menu, menu);
- return true;
- }
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- // Handle item selection
- switch (item.getItemId()) {
- case R.id.findaddress:
- String name = "宾馆";
- GeoLatLng screenCenter = SharedMapInstance.map.getScreenCenter();
- SharedMapInstance.map.getLocations(name, 0, screenCenter,
- SharedMapInstance.map.getScreenBounds(screenCenter));
- return true;
- default:
- return super.onOptionsItemSelected(item);
- }
- }
- @Override
- public void done(String query, MapPoint[] result) {
- if (result != null) {
- SharedMapInstance.map.panTo(result[0].getPoint());
- for (int i = 0; i < result.length; i++) {
- System.out.println(result[i].objectNote);
- }
- }
- }
- @Override
- public void readProgress(int bytes, int total) {
- }
- }
本地查询方法
public void getLocations(String address,int start,GeoLatLng center,GeoBounds bound, IGeocodingListener listener);
指定中心点和查询区域。本地查询可以多次返回结果,start为查询结果起始顺序,每次返回结果在SearchOptions 中定义,缺省每次返回4个。
上述结果返回内容为,具体结果可能不同。
“晶丽酒店025-83310818 025-83310818212223 025-86636636 ”
“城市名人酒店025-83123333 025-83123888 ”
“南京玄武饭店 025-83358888 ”
“Sofitel Galaxy Nanjing – 南京索菲特银河大酒店025-83718888 “