Android 基于GeolocationAPI的基站定位
package com.mopa.LocationMe;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.json.JSONArray;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Looper;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;
public class LocationMe extends Activity {
/**
* mTxtLocal显示结果
* mLocalOkListener接口对象的引用
* mProgressDialog进度条
* HttpClient，HttpParams
* timeout超时设置
*/
private TextView mTxtLocal=null;
private OnGetLocalOkListener mLocalOkListener=null;
private ProgressDialog mProgressDialog = null;
private HttpClient httpclient;
private HttpParams httpParameters;
private int timeoutConnection = 3000;
private int timeoutSocket = 5000;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//布局
RelativeLayout mRlayout=new RelativeLayout(this);
LayoutParams params=new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_TOP);
params.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
Button mBtnGetLocal=new Button(this);
mBtnGetLocal.setText("Get Me-Location.");
mRlayout.addView(mBtnGetLocal,params);
mBtnGetLocal.setId(11);
//设置onClickListener监听事件
mBtnGetLocal.setOnClickListener(mOnClickListener);
params=new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.BELOW,11);
mTxtLocal=new TextView(this);
mRlayout.addView(mTxtLocal,params);
setContentView(mRlayout);
}
//监听对象，这里是个匿名内部类.
private OnClickListener mOnClickListener=new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
getItude();
}//end onClick;
};
//通过经纬度获取地理信息
private void getLocalByItude(String latitude,String longitude)
{
HttpURLConnection conn = null;
String line=null;
try {
URL url=new URL("http://maps.google.cn/maps/geo?key=abcdefg&q="
+ latitude + "," + longitude);
conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setConnectTimeout(timeoutConnection);
conn.setReadTimeout(timeoutSocket);
conn.setRequestMethod("GET");
InputStream inputStream=conn.getInputStream();
InputStreamReader inStreamReader=new InputStreamReader(inputStream,"utf-8");
BufferedReader bufReader=new BufferedReader(inStreamReader);
StringBuffer bufStr=new StringBuffer();
while((line=bufReader.readLine())!=null)
{
bufStr.append(line);
}
line=bufStr.toString();
if(line!=null&&line.length()>0)
{
JSONObject jsonobject = new JSONObject(line);
JSONArray jsonArray = new JSONArray(jsonobject.get("Placemark")
.toString());
line="";
for (int i = 0; i < jsonArray.length(); i++) {
line=jsonArray.getJSONObject(i).getString("address");
}
//回调
mLocalOkListener.onGetOk(line);
}
} catch (Exception e) {
// TODO: handle exception
mLocalOkListener.onGetOk("");
}
finally{
if(conn!=null)
{
conn.disconnect();
mLocalOkListener.onGetOk(line);
}
}
}
//获得主线程的Handler
private Handler mHandler=new Handler(Looper.getMainLooper());
private void getItude()
{
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("正在获取中...");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mProgressDialog.show();
//匿名内部类,回调调用的函数
this.setOnGetLocalOkListener(new OnGetLocalOkListener() {
@Override
public void onGetOk(String local) {
// TODO Auto-generated method stub
final String mlocal=local;
mHandler.post(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
if(mlocal.length()>0)
{
mTxtLocal.setText(mlocal);
System.out.println("onGetOk........");
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
saveLocal(mlocal);
}
}).start();
mProgressDialog.dismiss();
}
else
{
mTxtLocal.setText("获取位置失败,请检查网络是否开启");
mProgressDialog.dismiss();
}
}
});
}
});
//开启新的线程去获取经纬度
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
TelephonyManager mTelNet = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
String operator=mTelNet.getNetworkOperator();
String mcc=operator.substring(0,3);
String mnc=operator.substring(3);
GsmCellLocation location=(GsmCellLocation)mTelNet.getCellLocation();
int cid=location.getCid();
int lac=location.getLac();
httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
httpclient = new DefaultHttpClient(httpParameters);
HttpPost post=new HttpPost("http://www.google.com/loc/json");
try {
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);
JSONObject tower=new JSONObject();
tower.put("mobile_country_code", mcc);
tower.put("mobile_network_code", mnc);
tower.put("cell_id", cid);
tower.put("location_area_code", lac);
JSONArray towerarray=new JSONArray();
towerarray.put(tower);
holder.put("cell_towers", towerarray);
StringEntity query=new StringEntity(holder.toString());
post.setEntity(query);
HttpResponse response=httpclient.execute(post);
HttpEntity entity=response.getEntity();
BufferedReader buffReader=new BufferedReader(new InputStreamReader(entity.getContent()));
StringBuffer strBuff=new StringBuffer();
String result=null;
while((result=buffReader.readLine())!=null)
{
strBuff.append(result);
}
JSONObject json=new JSONObject(strBuff.toString());
JSONObject subjosn=new JSONObject(json.getString("location"));
getLocalByItude(subjosn.getString("latitude"),subjosn.getString("longitude"));
} catch (Exception e) {
// TODO: handle exception
mLocalOkListener.onGetOk("");
}
finally{
post.abort();
httpclient=null;
}
}
}).start();
}
FileWriter mFileWriter=null;
//写文件,保存刚才获取成功的地理位置
public void saveLocal(String local)
{
// TODO Auto-generated method stub
try
{
String strFiles=Environment.getExternalStorageDirectory().toString()+"/Local/";
File outDir=new File(strFiles);
File outFile=new File(strFiles+"LocalMe.txt");
if(outDir.exists()==false)
{
outDir.mkdirs();
}
System.out.println(outFile.getAbsolutePath());
if(outFile.exists()==false)
{
System.out.println("outFile.exists()==false");
outFile.createNewFile();
}
System.out.println(outFile.getAbsolutePath());
mFileWriter=new FileWriter(outFile,true);
//加入日期
Date date = new Date();
SimpleDateFormat sDataForamat = new SimpleDateFormat("yyyyMMddHHmmss", Locale.CHINA);
String strTime = sDataForamat.format(date);
mFileWriter.write(strTime+":"+local+"\n");
} catch (IOException e) {
// TODO: handle exception
e.printStackTrace();
}finally
{
if(mFileWriter!=null)
{
try
{
mFileWriter.close();
} catch (IOException e2)
{
// TODO: handle exception
}
}
}
}
//设置监听类的引用对象
public void setOnGetLocalOkListener(OnGetLocalOkListener listener)
{
mLocalOkListener = listener;
}
//监听类接口
public interface OnGetLocalOkListener
{
void onGetOk(String local);
}
}
来源：http://www.cnblogs.com/patui/archive/2011/09/10/2173434.html