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Android基站定位原理及实现代码
摘要:复制代码代码如下:importjava.io.BufferedReader;importjava.io.InputStreamReader;...

复制代码 代码如下:

import java.io.BufferedReader;

import java.io.InputStreamReader;

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.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

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.LinearLayout;

import android.widget.TextView;

public class Test extends Activity {

Context context=this;

LinearLayout mainView=null;

Button button=null;

TextView tv=null;

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

this.setTitle("基站+联网+google数据库定位");

mainView=new LinearLayout(this);

mainView.setOrientation(LinearLayout.VERTICAL);

button=new Button(this);

button.setText("定位测试");

button.setOnClickListener(new OnClickListener(){

@Override

public void onClick(View v) {

(new HttpThread(context)).start();

}

});

mainView.addView(button,new LinearLayout.LayoutParams(-2,-2));

tv=new TextView(this);

tv.setText("Hello!n");

mainView.addView(tv);

setContentView(mainView);

}

class HttpThread extends Thread{

TelephonyManager tm=null;

GsmCellLocation gcl=null;

int cid=0;

int lac=0;

int mcc = 0;

int mnc =0;

StringBuffer sb=null;

Handler handler=new Handler(){

public void handleMessage(Message msg) {

switch (msg.what) {

case 1:

tv.append(sb.toString());

break;

}

super.handleMessage(msg);

}

};

HttpThread(Context context){

tm=(TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);

gcl=(GsmCellLocation) tm.getCellLocation();

cid=gcl.getCid();

lac=gcl.getLac();

mcc = Integer.valueOf(tm.getNetworkOperator().substring(0,3));

mnc = Integer.valueOf(tm.getNetworkOperator().substring(3,5));

sb=new StringBuffer();

sb.append("cid:"+cid + "n");

sb.append("lac:"+lac + "n");

sb.append("mcc:"+mcc + "n");

sb.append("mnc:"+mnc + "n");

}

public void run(){

try {

JSONObject jObject = new JSONObject();

jObject.put("version", "1.1.0");

jObject.put("host", "maps.google.com");

jObject.put("request_address", true);

if (mcc == 460) {

jObject.put("address_language", "zh_CN");

} else {

jObject.put("address_language", "en_US");

}

JSONArray jArray = new JSONArray();

JSONObject jData = new JSONObject();

jData.put("cell_id", cid);

jData.put("location_area_code", lac);

jData.put("mobile_country_code", mcc);

jData.put("mobile_network_code", mnc);

jArray.put(jData);

jObject.put("cell_towers", jArray);

DefaultHttpClient client = new DefaultHttpClient();

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

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

post.setEntity(se);

HttpResponse resp = client.execute(post);

BufferedReader br = null;

if (resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {

sb.append("联网成功n");

br = new BufferedReader(new InputStreamReader(resp.getEntity().getContent()));

}else{

sb.append("联网获取数据失败!n");

}

String result = br.readLine();

while (result != null) {

sb.append(result);

result = br.readLine();

}

}catch(Exception ex){

sb.append(ex.getMessage());

}

Message msg=new Message();

msg.what=1;

handler.sendMessage(msg);

}

}

}

所需权限

复制代码 代码如下:

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

< uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>

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