Android之應用APN、WIFI、GPS定位小例子

package com.maxtech.common;

import com.maxtech.common.gps.GpsTask;
import com.maxtech.common.gps.GpsTaskCallBack;
import com.maxtech.common.gps.GpsTask.GpsData;
import com.maxtech.common.gps.IAddressTask.MLocation;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;

public class GpsActivity extends Activity implements OnClickListener {

     private TextView gps_tip = null;
     // 聲明AlertDialog
     private AlertDialog dialog = null;

    @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
         // 布局主要就是三個按鈕與一個Textview
        gps_tip = (TextView) findViewById(R.id.gps_tip);
        findViewById(R.id.do_gps).setOnClickListener(GpsActivity. this);
        findViewById(R.id.do_apn).setOnClickListener(GpsActivity. this);
        findViewById(R.id.do_wifi).setOnClickListener(GpsActivity. this);

         // 這個ProgressDialog是用於讀取數據時顯示
        dialog = new ProgressDialog(GpsActivity. this);
        dialog.setTitle("請稍等...");
        dialog.setMessage("正在定位...");
    }

     // 各個按鈕的工作
    @SuppressWarnings("unchecked")
    @Override
     public void onClick(View v) {
        gps_tip.setText("");
         switch (v.getId()) {
         case R.id.do_apn:
             // 進行apn的定位
            do_apn();
             break;
         case R.id.do_gps:
             // 進行gps定位
            GpsTask gpstask = new GpsTask(GpsActivity. this,
                     new GpsTaskCallBack() {

                        @Override
                         public void gpsConnectedTimeOut() {
                            gps_tip.setText("獲取GPS超時了");
                        }

                        @Override
                         public void gpsConnected(GpsData gpsdata) {
                            do_gps(gpsdata);
                        }

                    }, 30 * 1000);
            gpstask.execute();
             break;
         // 進行wifi定位
         case R.id.do_wifi:
            do_wifi();
             break;
        }
    }

     private void do_apn() {
         // 異步
         new AsyncTask<Void, Void, String>() {

            @Override
             protected String doInBackground(Void... params) {
                MLocation location = null;
                 try {
                     // 具體操作
                    location = new AddressTask(GpsActivity. this,
                            AddressTask.DO_APN).doApnPost();
                } catch (Exception e) {
                    e.printStackTrace();
                }
                 if(location == null)
                     return null;
                 return location.toString();
            }

             // 異步操作前執行dialog顯示
            @Override
             protected void onPreExecute() {
                dialog.show();
                 super.onPreExecute();
            }

             // 異步操作后顯示相關信息並且關閉dialog
            @Override
             protected void onPostExecute(String result) {
                 if(result == null){
                    gps_tip.setText("基站定位失敗了...");
                } else {
                    gps_tip.setText(result);
                }
                dialog.dismiss();
                 super.onPostExecute(result);
            }

        }.execute();
    }

     private void do_gps( final GpsData gpsdata) {
         new AsyncTask<Void, Void, String>() {

            @Override
             protected String doInBackground(Void... params) {
                MLocation location = null;
                 try {
                    Log.i("do_gpspost", "經緯度" + gpsdata.getLatitude() + "----" + gpsdata.getLongitude());
                     // gps定位具體操作
                    location = new AddressTask(GpsActivity. this,
                            AddressTask.DO_GPS).doGpsPost(gpsdata.getLatitude(),
                                    gpsdata.getLongitude());
                } catch (Exception e) {
                    e.printStackTrace();
                }
                 if(location == null)
                     return "GPS信息獲取錯誤";
                 return location.toString();
            }

            @Override
             protected void onPreExecute() {
                dialog.show();
                 super.onPreExecute();
            }

            @Override
             protected void onPostExecute(String result) {
                gps_tip.setText(result);
                dialog.dismiss();
                 super.onPostExecute(result);
            }

        }.execute();
    }

     private void do_wifi() {
         new AsyncTask<Void, Void, String>() {

            @Override
             protected String doInBackground(Void... params) {
                MLocation location = null;
                 try {
                    location = new AddressTask(GpsActivity. this,
                            AddressTask.DO_WIFI).doWifiPost();
                } catch (Exception e) {
                    e.printStackTrace();
                }
                 if(location == null)
                     return null;
                 return location.toString();
            }

            @Override
             protected void onPreExecute() {
                dialog.show();
                 super.onPreExecute();
            }

            @Override
             protected void onPostExecute(String result) {
                 if(result != null){
                    gps_tip.setText(result);
                } else {
                    gps_tip.setText("WIFI定位失敗了...");
                }

                dialog.dismiss();
                 super.onPostExecute(result);
            }

        }.execute();
    }

}

package com.maxtech.common.gps;

import com.maxtech.common.gps.GpsTask.GpsData;

public interface GpsTaskCallBack {

     public void gpsConnected(GpsData gpsdata);

     public void gpsConnectedTimeOut();
}

package com.maxtech.common.gps;

import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

@SuppressWarnings("rawtypes")
public class GpsTask extends AsyncTask {

     private GpsTaskCallBack callBk = null;
     private Activity context = null;
     private LocationManager locationManager = null;
     private LocationListener locationListener = null;
     private Location location = null;
     private boolean TIME_OUT = false;
     private boolean DATA_CONNTECTED = false;
     private long TIME_DURATION = 5000;
     private GpsHandler handler = null;
             private class GpsHandler extends Handler {

                @Override
                 public void handleMessage(Message msg) {
                     super.handleMessage(msg);
                     if(callBk == null)
                         return;
                     switch (msg.what) {
                     case 0:
                        callBk.gpsConnected((GpsData)msg.obj);
                         break;
                     case 1:
                        callBk.gpsConnectedTimeOut();
                         break;
                    }
                }

            }

     public GpsTask(Activity context, GpsTaskCallBack callBk) {
         this.callBk = callBk;
         this.context = context;
        gpsInit();
    }

     public GpsTask(Activity context, GpsTaskCallBack callBk, long time_out) {
         this.callBk = callBk;
         this.context = context;
         this.TIME_DURATION = time_out;
        gpsInit();
    }

     private void gpsInit() {
        locationManager = (LocationManager) context
                .getSystemService(Context.LOCATION_SERVICE);
        handler = new GpsHandler();
         if(locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

        } else {
             // GPSû�д�

            TIME_OUT = true;
        }
        locationListener = new LocationListener() {

            @Override
             public void onStatusChanged(String provider, int status,
                    Bundle extras) {
            }

            @Override
             public void onProviderEnabled(String provider) {
            }

            @Override
             public void onProviderDisabled(String provider) {
            }

             // 位置改變才會調用
            @Override
             public void onLocationChanged(Location l) {
                DATA_CONNTECTED = true;
                Message msg = handler.obtainMessage();
                msg.what = 0;
                msg.obj = transData(l);
                handler.sendMessage(msg);
            }
        };
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0,
                100, locationListener);
    }

    @Override
     protected Object doInBackground(Object... params) {
         while (!TIME_OUT && !DATA_CONNTECTED) {
            location = locationManager
                    .getLastKnownLocation(LocationManager.GPS_PROVIDER);
             if (location != null && callBk != null) {
                 // ��һ��
                Message msg = handler.obtainMessage();
                msg.what = 0;
                msg.obj = transData(location);
                handler.sendMessage(msg);
                 break;
            }
        }
         return null;
    }

    @Override
     protected void onPreExecute() {
         super.onPreExecute();
         // Timer是自動另外開的一條線程
        Timer timer = new Timer();
        timer.schedule( new TimerTask() {

            @Override
             public void run() {
                TIME_OUT = true;

            }
        }, TIME_DURATION);
    }

    @SuppressWarnings("unchecked")
    @Override
     protected void onPostExecute(Object result) {
        locationManager.removeUpdates(locationListener);
         // ��ȡ��ʱ
         if (TIME_OUT && callBk != null){
            handler.sendEmptyMessage(1);
        }
         super.onPostExecute(result);
    }

     private GpsData transData(Location location) {
        GpsData gpsData = new GpsData();
        gpsData.setAccuracy(location.getAccuracy());
        gpsData.setAltitude(location.getAltitude());
        gpsData.setBearing(location.getBearing());
        gpsData.setLatitude(location.getLatitude());
        gpsData.setLongitude(location.getLongitude());
        gpsData.setSpeed(location.getSpeed());
        gpsData.setTime(location.getTime());
         return gpsData;
    }

     public static class GpsData {
         private double latitude = 0;
         private double longitude = 0;
         private float accuracy = 0;
         private double altitude = 0;
         private float bearing = 0;
         private float speed = 0;
         private long time = 0;

         public double getLatitude() {
             return latitude;
        }

         public void setLatitude( double latitude) {
             this.latitude = latitude;
        }

         public double getLongitude() {
             return longitude;
        }

         public void setLongitude( double longitude) {
             this.longitude = longitude;
        }

         public float getAccuracy() {
             return accuracy;
        }

         public void setAccuracy( float accuracy) {
             this.accuracy = accuracy;
        }

         public double getAltitude() {
             return altitude;
        }

         public void setAltitude( double altitude) {
             this.altitude = altitude;
        }

         public float getBearing() {
             return bearing;
        }

         public void setBearing( float bearing) {
             this.bearing = bearing;
        }

         public float getSpeed() {
             return speed;
        }

         public void setSpeed( float speed) {
             this.speed = speed;
        }

         public long getTime() {
             return time;
        }

         public void setTime( long time) {
             this.time = time;
        }
    }

}

package com.maxtech.common;

import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.params.ConnRouteParams;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.json.JSONObject;

import android.app.Activity;
import android.net.Proxy;

import com.maxtech.common.gps.IAddressTask;

public class AddressTask extends IAddressTask {

     public static final int DO_APN = 0;
     public static final int DO_WIFI = 1;
     public static final int DO_GPS = 2;
     private int postType = -1;

     public AddressTask(Activity context, int postType) {
         super(context);
         this.postType = postType;
    }

    @Override
     public HttpResponse execute(JSONObject params) throws Exception {
        HttpClient httpClient = new DefaultHttpClient();

        HttpConnectionParams.setConnectionTimeout(httpClient.getParams(),
                20 * 1000);
        HttpConnectionParams.setSoTimeout(httpClient.getParams(), 20 * 1000);

         // 訪問json
        HttpPost post = new HttpPost("http://74.125.71.147/loc/json");
         // 設置代理
         if (postType == DO_APN) {
            String proxyHost = Proxy.getDefaultHost();
             if(proxyHost != null) {
                HttpHost proxy = new HttpHost(proxyHost, 80);
                httpClient.getParams().setParameter(
                        ConnRouteParams.DEFAULT_PROXY, proxy);
            }
        }
         // 請求一系列的參數
        StringEntity se = new StringEntity(params.toString());
        post.setEntity(se);
        HttpResponse response = httpClient.execute(post);
         return response;
    }

}

package com.maxtech.common.gps;

import java.io.BufferedReader;
import java.io.InputStreamReader;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.json.JSONArray;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Context;
import android.net.wifi.WifiManager;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;

public abstract class IAddressTask {

     protected Activity context;

     public IAddressTask(Activity context) {
         this.context = context;
    }

     public abstract HttpResponse execute(JSONObject params) throws Exception;

     public MLocation doWifiPost() throws Exception {
         return transResponse(execute(doWifi()));
    }

     public MLocation doApnPost() throws Exception  {
         return transResponse(execute(doApn()));
    }

     public MLocation doGpsPost( double lat, double lng) throws Exception {
         return transResponse(execute(doGps(lat, lng)));
    }

     private MLocation transResponse(HttpResponse response) {
        MLocation location = null;
         if (response.getStatusLine().getStatusCode() == 200) {
            location = new MLocation();
            HttpEntity entity = response.getEntity();
            BufferedReader br;
             try {
                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 json = new JSONObject(sb.toString());
                JSONObject lca = json.getJSONObject("location");

                location.Access_token = json.getString("access_token");
                 if (lca != null) {
                     if(lca.has("accuracy"))
                        location.Accuracy = lca.getString("accuracy");
                     if(lca.has("longitude"))
                        location.Longitude = lca.getDouble("longitude");
                     if(lca.has("latitude"))
                        location.Latitude = lca.getDouble("latitude");
                     if(lca.has("address")) {
                        JSONObject address = lca.getJSONObject("address");
                         if (address != null) {
                             if(address.has("region"))
                                location.Region = address.getString("region");
                             if(address.has("street_number"))
                                location.Street_number = address
                                        .getString("street_number");
                             if(address.has("country_code"))
                                location.Country_code = address
                                        .getString("country_code");
                             if(address.has("street"))
                                location.Street = address.getString("street");
                             if(address.has("city"))
                                location.City = address.getString("city");
                             if(address.has("country"))
                                location.Country = address.getString("country");
                        }
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
                location = null;
            }
        }
         return location;
    }

     private JSONObject doGps( double lat, double lng) throws Exception {
        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 data = new JSONObject();
        data.put("latitude", lat);
        data.put("longitude", lng);
        holder.put("location", data);

         return holder;
    }

     private JSONObject doApn() throws Exception {
        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);

         // 獲得GSM相關信息
        TelephonyManager tm = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        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));
         // 請求參數
        JSONArray array = new JSONArray();
        JSONObject data = new JSONObject();
        data.put("cell_id", cid);
        data.put("location_area_code", lac);
        data.put("mobile_country_code", mcc);
        data.put("mobile_network_code", mnc);
        array.put(data);
        holder.put("cell_towers", array);

         return holder;
    }

     private JSONObject doWifi() throws Exception {
        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);

         // 獲得wifi相關信息
        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

         if(wifiManager.getConnectionInfo().getBSSID() == null) {
             throw new RuntimeException("bssid is null");
        }

        JSONArray array = new JSONArray();
        JSONObject data = new JSONObject();
        data.put("mac_address", wifiManager.getConnectionInfo().getBSSID());
        data.put("signal_strength", 8);
        data.put("age", 0);
        array.put(data);
        holder.put("wifi_towers", array);

         return holder;
    }

     public static class MLocation {
         public String Access_token;

         public double Latitude;

         public double Longitude;

         public String Accuracy;

         public String Region;

         public String Street_number;

         public String Country_code;

         public String Street;

         public String City;

         public String Country;

        @Override
         public String toString() {
            StringBuffer buffer = new StringBuffer();
            buffer.append("Access_token:" + Access_token + "\n");
            buffer.append("Region:" + Region + "\n");
            buffer.append("Accuracy:" + Accuracy + "\n");
            buffer.append("Latitude:" + Latitude + "\n");
            buffer.append("Longitude:" + Longitude + "\n");
            buffer.append("Country_code:" + Country_code + "\n");
            buffer.append("Country:" + Country + "\n");
            buffer.append("City:" + City + "\n");
            buffer.append("Street:" + Street + "\n");
            buffer.append("Street_number:" + Street_number + "\n");
             return buffer.toString();
        }
    }

}

Android之應用APN、WIFI、GPS定位小例子

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