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：

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：

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;
        }
    }
}