基站定位示例源码

1. package cn.MyAndroid.Test;
   
2. 
   
3. import java.io.BufferedReader;
   
4. import java.io.InputStreamReader;
   
5. 
   
6. import org.apache.http.HttpEntity;
   
7. import org.apache.http.HttpResponse;
   
8. import org.apache.http.client.methods.HttpPost;
   
9. import org.apache.http.entity.StringEntity;
   
10. import org.apache.http.impl.client.DefaultHttpClient;
    
11. import org.json.JSONArray;
    
12. import org.json.JSONObject;
    
13. 
    
14. import android.app.Activity;
    
15. import android.content.Context;
    
16. import android.os.Bundle;
    
17. import android.telephony.TelephonyManager;
    
18. import android.telephony.gsm.GsmCellLocation;
    
19. import android.view.View;
    
20. import android.widget.Button;
    
21. import android.widget.TextView;
    
22. 
    
23. public class MyLocation extends Activity {
    
24. TextView mTextView;
    
25. Button mButton;
    
26. TelephonyManager tm;
    
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. 
    
34. mTextView = (TextView) findViewById(R.id.TextView01);
    
35. mButton = (Button) findViewById(R.id.Button01);
    
36. tm = (TelephonyManager) this
    
37. .getSystemService(Context.TELEPHONY_SERVICE);
    
38. 
    
39. mButton.setOnClickListener(new Button.OnClickListener() {
    
40. 
    
41. @Override
    
42. public void onClick(View v) {
    
43. // TODO Auto-generated method stub
    
44. GsmCellLocation gcl = (GsmCellLocation) tm.getCellLocation();
    
45. int cid = gcl.getCid();
    
46. int lac = gcl.getLac();
    
47. 
    
48. int mcc = Integer.valueOf(tm.getNetworkOperator().substring(0,
    
49. 3));
    
50. int mnc = Integer.valueOf(tm.getNetworkOperator().substring(3,
    
51. 5));
    
52. try {
    
53. //组装JSON查询字符串
    
54. JSONObject holder = new JSONObject();
    
55. holder.put("version", "1.1.0");
    
56. holder.put("host", "maps.google.com");
    
57. // holder.put("address_language", "zh_CN");
    
58. holder.put("request_address", true);
    
59. 
    
60. JSONArray array = new JSONArray();
    
61. JSONObject data = new JSONObject();
    
62. data.put("cell_id", cid); // 25070
    
63. data.put("location_area_code", lac);// 4474
    
64. data.put("mobile_country_code", mcc);// 460
    
65. data.put("mobile_network_code", mnc);// 0
    
66. array.put(data);
    
67. holder.put("cell_towers", array);
    
68. 
    
69. // 创建连接，发送请求并接受回应
    
70. DefaultHttpClient client = new DefaultHttpClient();
    
71. 
    
72. HttpPost post = new HttpPost(
    
73. "http://www.google.com/loc/json");
    
74. 
    
75. StringEntity se = new StringEntity(holder.toString());
    
76. 
    
77. post.setEntity(se);
    
78. HttpResponse resp = client.execute(post);
    
79. 
    
80. HttpEntity entity = resp.getEntity();
    
81. 
    
82. BufferedReader br = new BufferedReader(
    
83. new InputStreamReader(entity.getContent()));
    
84. StringBuffer sb = new StringBuffer();
    
85. String result = br.readLine();
    
86. 
    
87. while (result != null) {
    
88. 
    
89. sb.append(result);
    
90. result = br.readLine();
    
91. }
    
92. 
    
93. mTextView.setText(sb.toString());
    
94. } catch (Exception e) {
    
95. // TODO: handle exception
    
96. }
    
97. 
    
98. }
    
99. 
    
100. });
     
101. }
     
102. }

复制代码

注意要给Activity加入以下权限：<uses-permission android:name="android.permission.PERMISSION_NAME" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
关于基站查询协议的话，请参考这个链接： http://code.google.com/intl/zh-CN/apis/gears/geolocation_network_protocol.html