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 “