android 基站定位

这里给大家分享下基站定位的实现，基站定位首先要通过TelephonyManager得到手机的信号信息，比如基站的国家编码，小区id等......得到这些后需要向google提供的接口提交这些参数，然后就会返回基站的相关信息。

废话不多说直接上代码吧：

[java]
view plaincopyprint?

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.telephony.NeighboringCellInfo;
import android.telephony.TelephonyManager;
import android.telephony.cdma.CdmaCellLocation;
import android.telephony.gsm.GsmCellLocation;
import android.util.Log;

/**
* @author yangzhiqiang
*
*/
public class CellIdInfoManager implements Serializable {

/**
*
*/
private static final long serialVersionUID = 5481154371450408380L;

private Context context;

public CellIdInfoManager(Context context) {
super();
this.context = context;
}

public List<CellInfo> getCellInfo() {
List<CellInfo> listInfo = new ArrayList<CellInfo>();

int countryCode;
int networkCode;
int areaCode;
CellInfo info = new CellInfo();
GsmCellLocation gsm = null;

TelephonyManager manager = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
if (manager.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM) {
gsm = (GsmCellLocation) manager.getCellLocation();
if (gsm == null) {
return null;
}
if (manager.getNetworkOperator() == null
|| manager.getNetworkOperator().length() == 0) {
return null;
}
countryCode = Integer.parseInt(manager.getNetworkOperator()
.substring(0, 3));
networkCode = Integer.parseInt(manager.getNetworkOperator()
.substring(3, 5));
areaCode = gsm.getLac();

info.cellId = gsm.getCid();
info.mobileCountryCode = countryCode;
info.mobileNetworkCode = networkCode;
info.locationAreaCode = areaCode;
info.radio_type = "gsm";

listInfo.add(info);

List<NeighboringCellInfo> list = manager.getNeighboringCellInfo();
for (NeighboringCellInfo i : list) {
CellInfo ci = new CellInfo();
ci.cellId = i.getCid();
ci.mobileCountryCode = countryCode;
ci.mobileNetworkCode = networkCode;
ci.locationAreaCode = areaCode;
ci.radio_type = "gsm";
listInfo.add(ci);
}
} else if (manager.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA) {
CdmaCellLocation cdma = (CdmaCellLocation) manager
.getCellLocation();
if (cdma == null) {
return null;
}
if (manager.getNetworkOperator() == null
|| manager.getNetworkOperator().length() == 0) {
return null;
}
Log.v("TAG", "CDMA");
info.cellId = cdma.getBaseStationId();
info.mobileCountryCode = Integer.parseInt(manager
.getNetworkOperator());
info.mobileNetworkCode = cdma.getSystemId();
info.locationAreaCode = cdma.getNetworkId();
info.radio_type = "cdma";
listInfo.add(info);
}
return listInfo;
}

public class CellInfo {

// 基站编号

public int cellId;
// 国家代码

public int mobileCountryCode;
// 网络代码

public int mobileNetworkCode;
// 区域代码

public int locationAreaCode;

public String radio_type;

public CellInfo() {
super();
}

}
}

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.telephony.NeighboringCellInfo;
import android.telephony.TelephonyManager;
import android.telephony.cdma.CdmaCellLocation;
import android.telephony.gsm.GsmCellLocation;
import android.util.Log;

/**
* @author yangzhiqiang
*
*/
public class CellIdInfoManager implements Serializable {

/**
*
*/
private static final long serialVersionUID = 5481154371450408380L;

private Context context;

public CellIdInfoManager(Context context) {
super();
this.context = context;
}

public List<CellInfo> getCellInfo() {
List<CellInfo> listInfo = new ArrayList<CellInfo>();

int countryCode;
int networkCode;
int areaCode;
CellInfo info = new CellInfo();
GsmCellLocation gsm = null;

TelephonyManager manager = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
if (manager.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM) {
gsm = (GsmCellLocation) manager.getCellLocation();
if (gsm == null) {
return null;
}
if (manager.getNetworkOperator() == null
|| manager.getNetworkOperator().length() == 0) {
return null;
}
countryCode = Integer.parseInt(manager.getNetworkOperator()
.substring(0, 3));
networkCode = Integer.parseInt(manager.getNetworkOperator()
.substring(3, 5));
areaCode = gsm.getLac();

info.cellId = gsm.getCid();
info.mobileCountryCode = countryCode;
info.mobileNetworkCode = networkCode;
info.locationAreaCode = areaCode;
info.radio_type = "gsm";

listInfo.add(info);

List<NeighboringCellInfo> list = manager.getNeighboringCellInfo();
for (NeighboringCellInfo i : list) {
CellInfo ci = new CellInfo();
ci.cellId = i.getCid();
ci.mobileCountryCode = countryCode;
ci.mobileNetworkCode = networkCode;
ci.locationAreaCode = areaCode;
ci.radio_type = "gsm";
listInfo.add(ci);
}
} else if (manager.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA) {
CdmaCellLocation cdma = (CdmaCellLocation) manager
.getCellLocation();
if (cdma == null) {
return null;
}
if (manager.getNetworkOperator() == null
|| manager.getNetworkOperator().length() == 0) {
return null;
}
Log.v("TAG", "CDMA");
info.cellId = cdma.getBaseStationId();
info.mobileCountryCode = Integer.parseInt(manager
.getNetworkOperator());
info.mobileNetworkCode = cdma.getSystemId();
info.locationAreaCode = cdma.getNetworkId();
info.radio_type = "cdma";
listInfo.add(info);
}
return listInfo;
}

public class CellInfo {

// 基站编号
public int cellId;
// 国家代码
public int mobileCountryCode;
// 网络代码
public int mobileNetworkCode;
// 区域代码
public int locationAreaCode;

public String radio_type;

public CellInfo() {
super();
}

}
}

上面是得到手机信号的信息，下面是将这些信息发送到google服务器并解析结果：

[java]
view plaincopyprint?

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.Serializable;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
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.location.Location;
import android.util.Log;

import com.metarnet.gps.CellIdInfoManager.CellInfo;

/**
* @author Administrator
*
*/
public class NetworkLocationManager implements Serializable {

/**
*
*/
private static final long serialVersionUID = 1185788569820321281L;

public static Location getBaseStationLocation(List<CellInfo> cellID) {
if (cellID == null) {
Log.i("TAG", "cellId is null.");
return null;
}
DefaultHttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost("http://www.google.com/loc/json");
JSONObject holder = new JSONObject();
try {
CellInfo info = cellID.get(0);
holder.put("version", "1.1.0");
holder.put("host", "maps.google.com");
holder.put("home_mobile_country_code", info.mobileCountryCode);
holder.put("home_mobile_network_code", info.mobileNetworkCode);
holder.put("request_address", true);
holder.put("radio_type", info.radio_type);
if ("460".equals(info.mobileCountryCode)) {
holder.put("address_language", "zh_CN");
} else {
holder.put("address_language", "en_US");
}

JSONObject data, current_data;
JSONArray array = new JSONArray();

current_data = new JSONObject();
current_data.put("cell_id", info.cellId);
current_data.put("location_area_code", info.locationAreaCode);
current_data.put("mobile_country_code", info.mobileCountryCode);
current_data.put("mobile_network_code", info.mobileNetworkCode);
current_data.put("age", 0);
array.put(current_data);

if (cellID.size() > 2) {
for (int i = 1; i < cellID.size(); i++) {
data = new JSONObject();
data.put("cell_id", info.cellId);
data.put("location_area_code", info.locationAreaCode);
data.put("mobile_country_code", info.mobileCountryCode);
data.put("mobile_network_code", info.mobileNetworkCode);
data.put("age", 0);
array.put(data);
}
}
holder.put("cell_towers", array);

StringEntity se = new StringEntity(holder.toString());
post.setEntity(se);
HttpResponse resp = client.execute(post);
int state = resp.getStatusLine().getStatusCode();
if (state == HttpStatus.SC_OK) {
HttpEntity entity = resp.getEntity();
if (entity != null) {
BufferedReader br = new BufferedReader(
new InputStreamReader(entity.getContent()));
StringBuffer sb = new StringBuffer();
String resute = "";
while ((resute = br.readLine()) != null) {
sb.append(resute);
}
br.close();

data = new JSONObject(sb.toString());
data = (JSONObject) data.get("location");

Location loc = new Location(
android.location.LocationManager.NETWORK_PROVIDER);
loc.setLatitude((Double) data.get("latitude"));
loc.setLongitude((Double) data.get("longitude"));
loc.setAccuracy(Float.parseFloat(data.get("accuracy")
.toString()));
loc.setTime(System.currentTimeMillis());
return loc;
} else {
return null;
}
} else {
Log.v("TAG", state + "");
return null;
}

} catch (Exception e) {
Log.e("TAG", e.getMessage());
return null;
}
}
}