Android獲取基站坐標代碼

Android獲取基站坐標代碼:

1. package com.su.station;  
2.   
3. import java.io.BufferedReader;  
4. import java.io.IOException;  
5. import java.io.InputStreamReader;  
6.   
7. import org.apache.http.HttpEntity;  
8. import org.apache.http.HttpResponse;  
9. import org.apache.http.client.methods.HttpPost;  
10. import org.apache.http.entity.StringEntity;  
11. import org.apache.http.impl.client.DefaultHttpClient;  
12. import org.json.JSONArray;  
13. import org.json.JSONObject;  
14.   
15. import android.app.Activity;  
16. import android.content.Context;  
17. import android.location.Location;  
18. import android.location.LocationManager;  
19. import android.os.Bundle;  
20. import android.telephony.TelephonyManager;  
21. import android.telephony.gsm.GsmCellLocation;  
22. import android.util.Log;  
23. import android.widget.Toast;  
24.   
25. public class TestStationLocationActivity extends Activity {  
26.     private static final String TAG = "TestStationLocationActivity";  
27.   
28.     /** Called when the activity is first created. */  
29.     @Override  
30.     public void onCreate(Bundle savedInstanceState) {  
31.         super.onCreate(savedInstanceState);  
32.         setContentView(R.layout.main);  
33.         Location location = getportLocation();  
34.         location.getLongitude();  
35.         Toast.makeText(this, location.getLatitude()+location.getLatitude()+"", 100).show();  
36.           
37.     }  
38.       
39.     private Location getportLocation() {  
40.         Location loc = null ;  
41.         TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);  
42.         BufferedReader br = null;  
43.         try   
44.         {     
45.             GsmCellLocation gcl = (GsmCellLocation) tm.getCellLocation();  
46.                 if (null == gcl)  
47.                 {  
48.                         return null;  
49.                 }  
50.                     int cid = gcl.getCid();  
51.                     int lac = gcl.getLac();  
52.                     int mcc = Integer.valueOf(tm.getNetworkOperator().substring(0,3));  
53.                     int mnc = Integer.valueOf(tm.getNetworkOperator().substring(3,5));  
54.                     JSONObject holder = new JSONObject();  
55.                     holder.put("version", "1.1.0");  
56.                     holder.put("host", "maps.google.com");  
57.                     holder.put("request_address", true);  
58.                       
59.                     JSONArray array = new JSONArray();  
60.                     JSONObject data = new JSONObject();  
61.                       
62.                     data.put("cell_id", cid);  
63.                     data.put("location_area_code", lac);  
64.                     data.put("mobile_country_code", mcc);  
65.                     data.put("mobile_network_code", mnc);  
66.                     array.put(data);  
67.                     holder.put("cell_towers", array);  
68.                     DefaultHttpClient client = new DefaultHttpClient();  
69.                     HttpPost post = new HttpPost("http://www.google.com/loc/json");  
70.                     StringEntity se = new StringEntity(holder.toString());  
71.                     post.setEntity(se);  
72.                     HttpResponse resp = client.execute(post);  
73.                     if (resp.getStatusLine().getStatusCode() == 200)   
74.                 {  
75.                         HttpEntity entity = resp.getEntity();  
76.                             br = new BufferedReader(new InputStreamReader(entity.getContent()));  
77.                             StringBuffer sb = new StringBuffer();  
78.                             String result = br.readLine();  
79.                             while (result != null)   
80.                             {  
81.                                     sb.append(result);  
82.                                     result = br.readLine();  
83.                             }  
84.                               
85.                             JSONObject data_ = new JSONObject(sb.toString());  
86.                             data_ = (JSONObject) data_.get("location");  
87.                         loc = new Location(LocationManager.NETWORK_PROVIDER);  
88.                         loc.setLatitude((Double) data_.get("latitude"));  
89.                         loc.setLongitude((Double) data_.get("longitude"));  
90.                         Log.i(TAG, "latitude : " + loc.getLatitude() + "  longitude : " + loc.getLongitude());  
91.                         return loc;  
92.                 }  
93.                 return null;  
94.   
95.         }   
96.           
97.         catch (Exception e)   
98.         {  
99.                 android.util.Log.e(TAG, "network get the latitude and longitude ocurr Exception error", e);  
100.         }  
101.         finally  
102.         {  
103.                 if (null != br)  
104.                 {  
105.                         try   
106.                         {  
107.                                 br.close();  
108.                         }   
109.                         catch (IOException e)   
110.                         {  
111.                                 android.util.Log.e(TAG, "network get the latitude and longitude when closed BufferedReader ocurr IOException error", e);  
112.                         }  
113.                 }  
114.         }  
115.         return loc;  
116.     }  
117.   
118. }  

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