Ci dessus voici comment on peut geolocaliser quelqu'un à partir des BTS en Android
Etape 0 : Créer un projet : LocationGsm
Nom projet : LocationGsm
Target : Android 1.6
Application : LocationGsmApp
Package : org.sidibe.location.gsmlocation
Activity Name : LocationGsm
Etape 1 : Ajouter les permissions dans AndroidManifest.xml par :
INTERNET et ACCESS_COARSE_LOCATION et READ_PHONE_STATE
Etape 2 : Nous allons créer une bouton de position fixe avec AbsoluteLayout dans main.xml . On ne va pas remplir la page par ces petits trucs.
Etape 3: Voici le contenu de la classe LocationGsm complet :
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141 package org.sidibe.location.gsmlocation; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLConnection; import android.app.Activity; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.telephony.TelephonyManager; import android.telephony.gsm.GsmCellLocation; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class LocationGsm extends Activity { Button afficher= null; int celid, lac; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); afficher= (Button)findViewById(R.id.afficher); TelephonyManager telm= (TelephonyManager)getSystemService(TELEPHONY_SERVICE); loadparam(telm); afficher.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // Identifiant du cellule et lac fictive : boolean etat=false; int celidf=5496; int lacf=6037; try{ etat=displayMap(celidf, lacf); } catch(Exception e) { } } }); } public void loadparam(TelephonyManager telm) { GsmCellLocation location = (GsmCellLocation)telm.getCellLocation(); lac= location.getLac(); celid=location.getCid(); } private boolean displayMap(int cellID, int lac) throws Exception { String urlString = "http://www.google.com/glm/mmap"; URL url = new URL(urlString); URLConnection conn = url.openConnection(); HttpURLConnection httpConn = (HttpURLConnection) conn; httpConn.setRequestMethod("POST"); httpConn.setDoOutput(true); httpConn.setDoInput(true); httpConn.connect(); OutputStream outputStream = httpConn.getOutputStream(); writeData(outputStream, cellID, lac); InputStream inputStream = httpConn.getInputStream(); DataInputStream dataInputStream = new DataInputStream(inputStream); dataInputStream.readShort(); dataInputStream.readByte(); int code = dataInputStream.readInt(); if (code == 0) { double lat = (double) dataInputStream.readInt() / 1000000D; double lng = (double) dataInputStream.readInt() / 1000000D; dataInputStream.readInt(); dataInputStream.readInt(); dataInputStream.readUTF(); String uriString = "geo:" + lat + "," + lng; Intent intent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse(uriString)); startActivity(intent); return true; } else { return false; } } private void writeData(OutputStream sorti, int celid, int lac) { DataOutputStream dataOutputStream = new DataOutputStream(sorti); try { dataOutputStream.writeShort(21); dataOutputStream.writeLong(0); dataOutputStream.writeUTF("fr"); dataOutputStream.writeUTF("Android"); dataOutputStream.writeUTF("1.6"); dataOutputStream.writeUTF("Web"); dataOutputStream.writeByte(27); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.writeInt(3); dataOutputStream.writeUTF(""); dataOutputStream.writeInt(celid); dataOutputStream.writeInt(lac); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.flush(); } catch (IOException e) { } } }
SIDIBE Ali-Broma, jahbromo