Android Open Source - location-tracker Location Service

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From Project

Back to project page location-tracker.

License

The source code is released under:

MIT License

Java Source Code

package com.alextoma.locationtracker;
/*from   w ww . j a v a 2 s  .  c o m*/
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;

public class LocationService extends Service {

  String TAG = "LocationService";

  LocationManager locationManager;

  private final LocationListener locationListener = new LocationListener() {

    @Override
    public void onLocationChanged(final Location location) {
      Log.v(TAG + "Latitude", String.valueOf(location.getLatitude()));
      Log.v(TAG + "Longitude", String.valueOf(location.getLongitude()));

      Thread t = new Thread(new Runnable() {
        @Override
        public void run() {
          ConnectivityManager network = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
          NetworkInfo info[] = network.getAllNetworkInfo();
          for (int i = 0; i < info.length; i++) {
            if (info[i].getState() == NetworkInfo.State.CONNECTED) {
              try {
                URL url = new URL(LocationTracker.requestURL);
                HttpURLConnection con = (HttpURLConnection) url.openConnection();
                con.setDoOutput(true);
                con.setRequestMethod("POST");
                
                StringBuilder urlParameters = new StringBuilder();
                urlParameters.append("auth_key=" + LocationTracker.authKey + '&');
                urlParameters.append("latitude=" + location.getLatitude() + '&');
                urlParameters.append("longitude=" + location.getLongitude());
                
                DataOutputStream out = new DataOutputStream(con.getOutputStream());
                out.writeBytes(urlParameters.toString());
                out.flush();
                out.close();

                int responseCode = con.getResponseCode();

                BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

                StringBuffer resultBuffer = new StringBuffer();
                String line = "";
                while ((line = in.readLine()) != null) {
                  resultBuffer.append(line);
                }
                in.close();

                Log.d(TAG + " responseCode", String.valueOf(responseCode));
                Log.d(TAG + " result", resultBuffer.toString());

              } catch (MalformedURLException e) {
                e.printStackTrace();
              } catch (IOException e) {
                e.printStackTrace();
              }
              // Don't execute this for every active connection
              break;
            } else {
              Log.d(TAG, "No internet connection from " + info[i].getTypeName());
            }
          }
        }
      });
      t.start();
    }

    @Override
    public void onProviderDisabled(String provider) {
      Log.d(TAG, provider + " disabled");
    }

    @Override
    public void onProviderEnabled(String provider) {
      Log.d(TAG, provider + " enabled");
    }

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

    }
  };

  public void onStart(Intent intent, int startId) {
    locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, LocationTracker.timeLapse, LocationTracker.minDistance, locationListener);
    Log.d(TAG, " Service started");
  }

  @Override
  public void onDestroy() {
    locationManager.removeUpdates(locationListener);
    Log.d(TAG, " Service stopped");
    super.onDestroy();
  }

  @Override
  public IBinder onBind(Intent intent) {
    return null;
  }

}

Java Source Code List

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