android WIFI定位和基站定位实现

来源：互联网 作者：佚名 时间：2015-04-01 13:38

关于定位原理网上很多，这里就不多说了。下面说怎么实现的，直接贴代码如下：首先是Util类：import java.io.BufferedReader;import java.io.InputStreamReader;i

关于定位原理网上很多，这里就不多说了。下面说怎么实现的，，直接贴代码如下：

首先是Util类：

import java.io.BufferedReader;

import java.io.InputStreamReader;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.json.JSONArray;

import org.json.JSONObject;

import android.content.Context;

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.util.Log;

public class Util {

//log的标签

public static final String TAG = "location";

public static final boolean DEBUG = true;

public static final String LOCATION_URL = "";

public static final String LOCATION_HOST = "maps.google.com";

public static void logi(String content){

if(DEBUG) {

Log.i(TAG, content);

}

}

public static void loge(String content){

if(DEBUG) {

Log.e(TAG, content);

}

}

public static void logd(String content){

if(DEBUG) {

Log.d(TAG, content);

}

}

/**

* 获取地理位置

*

* @throws Exception

*/

public static String getLocation(String latitude, String longitude) throws Exception {

String resultString = "";

/** 这里采用get方法，直接将参数加到URL上 */

String urlString = String.format("?key=abcdefg&q=%s,%s", latitude, longitude);

Util.logi("Util: getLocation: URL: " + urlString);

/** 新建HttpClient */

HttpClient client = new DefaultHttpClient();

/** 采用GET方法 */

HttpGet get = new HttpGet(urlString);

try {

/** 发起GET请求并获得返回数据 */

HttpResponse response = client.execute(get);

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);

}

resultString = strBuff.toString();

/** 解析JSON数据，获得物理地址 */

if (resultString != null && resultString.length() > 0) {

JSONObject jsonobject = new JSONObject(resultString);

JSONArray jsonArray = new JSONArray(jsonobject.get("Placemark").toString());

resultString = "";

for (int i = 0; i < jsonArray.length(); i++) {

resultString = jsonArray.getJSONObject(i).getString("address");

}

}

} catch (Exception e) {

throw new Exception("获取物理位置出现错误:" + e.getMessage());

} finally {

get.abort();

client = null;

}

return resultString;

}

/**

* 判断网络是否可用

* @param context

* @return

*/

public static boolean isNetworkAvaliable(Context context){

ConnectivityManager manager = (ConnectivityManager) (context

.getSystemService(Context.CONNECTIVITY_SERVICE));

NetworkInfo networkinfo = manager.getActiveNetworkInfo();

return !(networkinfo == null || !networkinfo.isAvailable());

}

/**

* 判断网络类型 wifi 3G

*

* @param context

* @return

*/

public static boolean isWifiNetwrokType(Context context) {

ConnectivityManager connectivityManager = (ConnectivityManager) context

.getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo info = connectivityManager.getActiveNetworkInfo();

if (info != null && info.isAvailable()) {

if (info.getTypeName().equalsIgnoreCase("wifi")) {

return true;

}

}

return false;

}

}

在MainActivity中根据当前网络环境，决定用WIFI定位还是基站定位

import com.demo.location.cell.CellLocationManager;

import com.demo.location.wifi.WifiLocationManager;

import android.app.Activity;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

private TextView mTextView;

private Button mButton;

private WifiLocationManager wifiLocation;

private CellLocationManager cellLocation;

/** 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.tv_show_info);

mButton = (Button) findViewById(R.id.btn_get_info);

wifiLocation = new WifiLocationManager(MainActivity.this);

cellLocation = new CellLocationManager(MainActivity.this);

mButton.setOnClickListener(new OnClickListener(){

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

Util.logi("MainActivity: on mButton Click!!!");

getLocation();

}

});

}

private void getLocation(){

boolean isNet = Util.isNetworkAvaliable(MainActivity.this);

if(!isNet){

Toast.makeText(MainActivity.this, "网络不可用：打开WIFI 或 数据连接！！！", Toast.LENGTH_LONG).show();

Util.logd("MainActivity: getLocation: Net work is not avaliable, and return!!!");

return;

}

boolean isWifi = Util.isWifiNetwrokType(MainActivity.this);

if(isWifi){

Util.logd("MainActivity: getLocation: Wifi定位");

wifiLocation.getLocation(new WifiReceiver());

}else{

Util.logd("MainActivity: getLocation: 基站定位");

String location = cellLocation.getLocationCell();

mTextView.setText(location);

}

}

class WifiReceiver extends BroadcastReceiver {

public void onReceive(Context c, Intent intent) {

Util.logi("get broadcastReceiver: SCAN_RESULTS_AVAILABLE_ACTION");

String location = wifiLocation.getLocationWifi();

mTextView.setText(location);

}

}

}

1. WIFI定位：