WCDMA的Google基站定位问题

最新推荐文章于 2018-11-12 14:32:50 发布

转载最新推荐文章于 2018-11-12 14:32:50 发布 · 443 阅读

文章标签：

#google #exception #string #button #mobile #url

本文介绍了一种通过GSM基站信息获取地理位置的方法。利用Android设备获取CID、LAC等参数，并通过Google API进行位置解析。文章还涉及了如何处理不同运营商的数据。

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这个方法是网上搜的大多都这么用。我这个帖子主要是纠结在GsmCellLocation了我以为这个只是支持GSM的，不支持WCDMA的，其实都包含了，不需要特殊处理，需要特殊处理的就是电信的卡(CDMA)的，具体方法上网上一搜就可以
package cn.LocationStation;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Date;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
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.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class LocationStation extends Activity {
TextView mTextView;
Button mButton;
TelephonyManager tm;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);

      mTextView = (TextView) findViewById(R.id.textView001);
      mButton = (Button) findViewById(R.id.Button001);
      tm = (TelephonyManager) this
            .getSystemService(Context.TELEPHONY_SERVICE);

      mButton.setOnClickListener(new Button.OnClickListener() {

         @Override
         public void onClick(View v) {
            // TODO Auto-generated method stub
            GsmCellLocation gcl = (GsmCellLocation) tm.getCellLocation();
            int cid = gcl.getCid();
            int lac = gcl.getLac();

            int mcc = Integer.valueOf(tm.getNetworkOperator().substring(0,
                     3));
            int mnc = Integer.valueOf(tm.getNetworkOperator().substring(3,
                     5));
            try {
                  // 组装JSON查询字符串
                  JSONObject holder = new JSONObject();
                  holder.put("version", "1.1.0");
                  holder.put("host", "maps.google.com");
                  // holder.put("address_language", "zh_CN");
                  holder.put("request_address", true);

                  JSONArray array = new JSONArray();
                  JSONObject data = new JSONObject();
                  data.put("cell_id", cid); // 25070
                  data.put("location_area_code", lac);// 4474
                  data.put("mobile_country_code", mcc);// 460
                  data.put("mobile_network_code", mnc);// 0
                  array.put(data);
                  holder.put("cell_towers", array);

                  // 创建连接，发送请求并接受回应
                  DefaultHttpClient client = new DefaultHttpClient();

                  HttpPost post = new HttpPost(
                        "http://www.google.com/loc/json");

                  StringEntity se = new StringEntity(holder.toString());

                  post.setEntity(se);
                  HttpResponse resp = client.execute(post);

                  HttpEntity entity = resp.getEntity();

                  BufferedReader br = new BufferedReader(
                        new InputStreamReader(entity.getContent()));
                  StringBuffer sb = new StringBuffer();
                  String result = br.readLine();

                  while (result != null) {

                     sb.append(result);
                     result = br.readLine();
                  }
                  JSONObject jsonObject = new JSONObject(sb.toString());

                  JSONObject jsonObject1 = new JSONObject(jsonObject
                        .getString("location"));

                  getAddress(jsonObject1.getString("latitude"), jsonObject1
                        .getString("longitude"));

                  //mTextView.setText(sb.toString());
            } catch (Exception e) {
                  // TODO: handle exception
            }

         }

      });
}

void getAddress(String lat, String lag) {
      try {

         URL url = new URL("http://maps.google.cn/maps/geo?key=abcdefg&q="
                  + lat + "," + lag);
         InputStream inputStream = url.openConnection().getInputStream();
         InputStreamReader inputReader = new InputStreamReader(inputStream,
                  "utf-8");
         BufferedReader bufReader = new BufferedReader(inputReader);

         String line = "", lines = "";

         while ((line = bufReader.readLine()) != null) {
            lines += line;
         }
         if (!lines.equals("")) {

            JSONObject jsonobject = new JSONObject(lines);
            JSONArray jsonArray = new JSONArray(jsonobject.get("Placemark")
                     .toString());
            for (int i = 0; i < jsonArray.length(); i++) {

                  mTextView.setText(mTextView.getText() + "\n"
                        + jsonArray.getJSONObject(i).getString("address"));
            }

         }

      } catch (Exception e) {
         ;
      }

}
}