Android获取基站坐标代码

package com.su.station;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.methods.HttpPost;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.DefaultHttpClient;import org.json.JSONArray;import org.json.JSONObject;import android.app.Activity;import android.content.Context;import android.location.Location;import android.location.LocationManager;import android.os.Bundle;import android.telephony.TelephonyManager;import android.telephony.gsm.GsmCellLocation;import android.util.Log;import android.widget.Toast;public class TestStationLocationActivity extends Activity {    private static final String TAG = "TestStationLocationActivity";/** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        Location location = getportLocation();        location.getLongitude();        Toast.makeText(this, location.getLatitude()+location.getLatitude()+"", 100).show();            }        private Location getportLocation() {Location loc = null ;TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);BufferedReader br = null;try {GsmCellLocation gcl = (GsmCellLocation) tm.getCellLocation();        if (null == gcl)        {                return null;        }            int cid = gcl.getCid();            int lac = gcl.getLac();            int mcc = Integer.valueOf(tm.getNetworkOperator().substring(0,3));            int mnc = Integer.valueOf(tm.getNetworkOperator().substring(3,5));            JSONObject holder = new JSONObject();            holder.put("version", "1.1.0");            holder.put("host", "maps.google.com");            holder.put("request_address", true);                        JSONArray array = new JSONArray();            JSONObject data = new JSONObject();                        data.put("cell_id", cid);            data.put("location_area_code", lac);            data.put("mobile_country_code", mcc);            data.put("mobile_network_code", mnc);            array.put(data);            holder.put("cell_towers", array);            DefaultHttpClient client = new DefaultHttpClient();            HttpPost post = new HttpPost("http://www.google.com/loc/json");            StringEntity se = new StringEntity(holder.toString());            post.setEntity(se);            HttpResponse resp = client.execute(post);            if (resp.getStatusLine().getStatusCode() == 200)         {                HttpEntity entity = resp.getEntity();                    br = new BufferedReader(new InputStreamReader(entity.getContent()));                    StringBuffer sb = new StringBuffer();                    String result = br.readLine();                    while (result != null)                     {                            sb.append(result);                            result = br.readLine();                    }                                        JSONObject data_ = new JSONObject(sb.toString());                    data_ = (JSONObject) data_.get("location");                loc = new Location(LocationManager.NETWORK_PROVIDER);                loc.setLatitude((Double) data_.get("latitude"));                loc.setLongitude((Double) data_.get("longitude"));                Log.i(TAG, "latitude : " + loc.getLatitude() + "  longitude : " + loc.getLongitude());                return loc;        }        return null;} catch (Exception e) {        android.util.Log.e(TAG, "network get the latitude and longitude ocurr Exception error", e);}finally{        if (null != br)        {                try                 {                        br.close();                }                 catch (IOException e)                 {                        android.util.Log.e(TAG, "network get the latitude and longitude when closed BufferedReader ocurr IOException error", e);                }        }}return loc;}}