真正能获得基站LBS定位的android程序包括GSM、CDMA

  1 package com.jouhu.chinamobile;
  2 
  3 import java.io.BufferedReader;
  4 import java.io.IOException;
  5 import java.io.InputStreamReader;
  6 import java.io.UnsupportedEncodingException;
  7 import java.util.ArrayList;
  8 import java.util.Calendar;
  9 import java.util.Locale;
 10 
 11 import org.apache.http.HttpEntity;
 12 import org.apache.http.HttpResponse;
 13 import org.apache.http.client.ClientProtocolException;
 14 import org.apache.http.client.HttpClient;
 15 import org.apache.http.client.methods.HttpGet;
 16 import org.apache.http.client.methods.HttpPost;
 17 import org.apache.http.entity.StringEntity;
 18 import org.apache.http.impl.client.DefaultHttpClient;
 19 import org.json.JSONArray;
 20 import org.json.JSONException;
 21 import org.json.JSONObject;
 22 
 23 import android.app.Activity;
 24 import android.content.Context;
 25 import android.location.Location;
 26 import android.location.LocationManager;
 27 import android.os.Bundle;
 28 import android.telephony.TelephonyManager;
 29 import android.telephony.cdma.CdmaCellLocation;
 30 import android.telephony.gsm.GsmCellLocation;
 31 import android.util.Log;
 32 import android.view.View;
 33 import android.widget.Button;
 34 import android.widget.EditText;
 35 
 36 public class AndroidPositionActivity extends Activity {
 37  
 38  public class CellIDInfo {
 39   
 40   public int cellId;
 41   public String mobileCountryCode;
 42   public String mobileNetworkCode;
 43   public int locationAreaCode;
 44   public String radioType;
 45   public CellIDInfo(){}
 46  }
 47 
 48  private CdmaCellLocation location = null;
 49  private Button btnGetInfo = null; 
 50     /** Called when the activity is first created. */
 51     @Override
 52     public void onCreate(Bundle savedInstanceState) {
 53         super.onCreate(savedInstanceState);
 54         setContentView(R.layout.main);
 55         btnGetInfo = (Button)findViewById(R.id.btnGet);
 56         btnGetInfo.setOnClickListener(new View.OnClickListener() {
 57    public void onClick(View v) {
 58     EditText tv = (EditText)findViewById(R.id.editText1);
 59     // TODO Auto-generated method stub
 60     TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
 61     int type = tm.getNetworkType();
 62     //在中国，移动的2G是EGDE，联通的2G为GPRS，电信的2G为CDMA，电信的3G为EVDO 
 63     //String OperatorName = tm.getNetworkOperatorName(); 
 64     Location loc = null;
 65     ArrayList<CellIDInfo> CellID = new ArrayList<CellIDInfo>();
 66     //中国电信为CTC
 67     //NETWORK_TYPE_EVDO_A是中国电信3G的getNetworkType
 68     //NETWORK_TYPE_CDMA电信2G是CDMA
 69     if (type == TelephonyManager.NETWORK_TYPE_EVDO_A || type == TelephonyManager.NETWORK_TYPE_CDMA || type ==TelephonyManager.NETWORK_TYPE_1xRTT)
 70     {
 71      location = (CdmaCellLocation) tm.getCellLocation();
 72      int cellIDs = location.getBaseStationId();
 73      int networkID = location.getNetworkId();
 74      StringBuilder nsb = new StringBuilder();
 75      nsb.append(location.getSystemId());
 76                     CellIDInfo info = new CellIDInfo();
 77                     info.cellId = cellIDs;
 78                     info.locationAreaCode = networkID; //ok
 79                     info.mobileNetworkCode = nsb.toString();
 80                     info.mobileCountryCode = tm.getNetworkOperator().substring(0, 3);
 81                     info.radioType = "cdma";
 82                     CellID.add(info);
 83     }
 84     //移动2G卡 + CMCC + 2 
 85     //type = NETWORK_TYPE_EDGE
 86     else if(type == TelephonyManager.NETWORK_TYPE_EDGE)
 87     {
 88      GsmCellLocation location = (GsmCellLocation)tm.getCellLocation();  
 89      int cellIDs = location.getCid();  
 90      int lac = location.getLac(); 
 91      CellIDInfo info = new CellIDInfo();
 92                     info.cellId = cellIDs;
 93                     info.locationAreaCode = lac;
 94                     info.mobileNetworkCode = tm.getNetworkOperator().substring(3, 5);   
 95                     info.mobileCountryCode = tm.getNetworkOperator().substring(0, 3);
 96                     info.radioType = "gsm";
 97                     CellID.add(info);
 98     }
 99     //联通的2G经过测试 China Unicom   1 NETWORK_TYPE_GPRS
100     else if(type == TelephonyManager.NETWORK_TYPE_GPRS)
101     {
102      GsmCellLocation location = (GsmCellLocation)tm.getCellLocation();  
103      int cellIDs = location.getCid();  
104      int lac = location.getLac(); 
105      CellIDInfo info = new CellIDInfo();
106                     info.cellId = cellIDs;
107                     info.locationAreaCode = lac;
108                     //经过测试，获取联通数据以下两行必须去掉，否则会出现错误，错误类型为JSON Parsing Error
109                     //info.mobileNetworkCode = tm.getNetworkOperator().substring(3, 5);   
110                     //info.mobileCountryCode = tm.getNetworkOperator().substring(0, 3);
111                     info.radioType = "gsm";
112                     CellID.add(info);
113     }
114     else
115     {
116      tv.setText("Current Not Support This Type.");
117     }
118     
119     loc = callGear(CellID);
120     
121     if(loc != null)
122     {
123      try {
124       
125       StringBuilder sb = new StringBuilder();
126       String pos = getLocation(loc);
127       sb.append("CellID:");
128       sb.append(CellID.get(0).cellId);
129       sb.append("+\n");
130       
131       sb.append("home_mobile_country_code:");
132       sb.append(CellID.get(0).mobileCountryCode);
133       sb.append("++\n");
134       
135       sb.append("mobileNetworkCode:");
136       sb.append(CellID.get(0).mobileNetworkCode);
137       sb.append("++\n");
138       
139       sb.append("locationAreaCode:");
140       sb.append(CellID.get(0).locationAreaCode);
141       sb.append("++\n");
142       sb.append(pos);
143       
144       tv.setText(sb.toString());
145       
146       
147      } catch (Exception e) {
148       // TODO Auto-generated catch block
149       e.printStackTrace();
150      }
151     }
152    }
153   });
154     }
155     
156     private Location callGear(ArrayList<CellIDInfo> cellID) {
157      if (cellID == null) return null;
158      DefaultHttpClient client = new DefaultHttpClient();
159   HttpPost post = new HttpPost(
160     "http://www.google.com/loc/json");
161   JSONObject holder = new JSONObject();
162   try {
163    holder.put("version", "1.1.0");
164    holder.put("host", "maps.google.com");
165    holder.put("home_mobile_country_code", cellID.get(0).mobileCountryCode);
166    holder.put("home_mobile_network_code", cellID.get(0).mobileNetworkCode);
167    holder.put("radio_type", cellID.get(0).radioType);
168    holder.put("request_address", true);
169    if ("460".equals(cellID.get(0).mobileCountryCode)) 
170     holder.put("address_language", "zh_CN");
171    else
172     holder.put("address_language", "en_US");
173    JSONObject data,current_data;
174    JSONArray array = new JSONArray();
175    current_data = new JSONObject();
176    current_data.put("cell_id", cellID.get(0).cellId);
177    current_data.put("location_area_code", cellID.get(0).locationAreaCode);
178    current_data.put("mobile_country_code", cellID.get(0).mobileCountryCode);
179    current_data.put("mobile_network_code", cellID.get(0).mobileNetworkCode);
180    current_data.put("age", 0);
181    array.put(current_data);
182    if (cellID.size() > 2) {
183     for (int i = 1; i < cellID.size(); i++) {
184      data = new JSONObject();
185      data.put("cell_id", cellID.get(i).cellId);
186      data.put("location_area_code", cellID.get(i).locationAreaCode);
187      data.put("mobile_country_code", cellID.get(i).mobileCountryCode);
188      data.put("mobile_network_code", cellID.get(i).mobileNetworkCode);
189      data.put("age", 0);
190      array.put(data);
191     }
192    }
193    holder.put("cell_towers", array);
194    StringEntity se = new StringEntity(holder.toString());
195    Log.e("Location send", holder.toString());
196    post.setEntity(se);
197    HttpResponse resp = client.execute(post);
198    HttpEntity entity = resp.getEntity();
199 
200    BufferedReader br = new BufferedReader(
201      new InputStreamReader(entity.getContent()));
202    StringBuffer sb = new StringBuffer();
203    String result = br.readLine();
204    while (result != null) {
205     Log.e("Locaiton receive", result);
206     sb.append(result);
207     result = br.readLine();
208    }
209    if(sb.length() <= 1)
210     return null;
211    data = new JSONObject(sb.toString());
212    data = (JSONObject) data.get("location");
213 
214    Location loc = new Location(LocationManager.NETWORK_PROVIDER);
215    loc.setLatitude((Double) data.get("latitude"));
216    loc.setLongitude((Double) data.get("longitude"));
217    loc.setAccuracy(Float.parseFloat(data.get("accuracy").toString()));
218    loc.setTime(GetUTCTime());
219    return loc;
220   } catch (JSONException e) {
221    return null;
222   } catch (UnsupportedEncodingException e) {
223    e.printStackTrace();
224   } catch (ClientProtocolException e) {
225    e.printStackTrace();
226   } catch (IOException e) {
227    e.printStackTrace();
228   }
229   return null;
230  }
231     
232  /**
233   * 获取地理位置
234   * 
235   * @throws Exception
236   */
237  private String getLocation(Location itude) throws Exception {
238   String resultString = "";
239 
240   /** 这里采用get方法，直接将参数加到URL上 */
241   String urlString = String.format("http://maps.google.cn/maps/geo?key=abcdefg&q=%s,%s", itude.getLatitude(), itude.getLongitude());
242   Log.i("URL", urlString);
243 
244   /** 新建HttpClient */
245   HttpClient client = new DefaultHttpClient();
246   /** 采用GET方法 */
247   HttpGet get = new HttpGet(urlString);
248   try {
249    /** 发起GET请求并获得返回数据 */
250    HttpResponse response = client.execute(get);
251    HttpEntity entity = response.getEntity();
252    BufferedReader buffReader = new BufferedReader(new InputStreamReader(entity.getContent()));
253    StringBuffer strBuff = new StringBuffer();
254    String result = null;
255    while ((result = buffReader.readLine()) != null) {
256     strBuff.append(result);
257    }
258    resultString = strBuff.toString();
259 
260    /** 解析JSON数据，获得物理地址 */
261    if (resultString != null && resultString.length() > 0) {
262     JSONObject jsonobject = new JSONObject(resultString);
263     JSONArray jsonArray = new JSONArray(jsonobject.get("Placemark").toString());
264     resultString = "";
265     for (int i = 0; i < jsonArray.length(); i++) {
266      resultString = jsonArray.getJSONObject(i).getString("address");
267     }
268    }
269   } catch (Exception e) {
270    throw new Exception("获取物理位置出现错误:" + e.getMessage());
271   } finally {
272    get.abort();
273    client = null;
274   }
275 
276   return resultString;
277  }
278     
279     public long GetUTCTime() { 
280         Calendar cal = Calendar.getInstance(Locale.CHINA); 
281         int zoneOffset = cal.get(java.util.Calendar.ZONE_OFFSET); 
282         int dstOffset = cal.get(java.util.Calendar.DST_OFFSET); 
283         cal.add(java.util.Calendar.MILLISECOND, -(zoneOffset + dstOffset)); 
284         return cal.getTimeInMillis();
285     }
286 }