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;   }    }