src/eu/alefzero/owncloud/location/LocationUpdateService.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package eu.alefzero.owncloud.location;
  19
  20 import android.app.IntentService;
  21 import android.content.Intent;
  22 import android.content.SharedPreferences;
  23 import android.location.Criteria;
  24 import android.location.Location;
  25 import android.location.LocationListener;
  26 import android.location.LocationManager;
  27 import android.location.LocationProvider;
  28 import android.os.Bundle;
  29 import android.preference.PreferenceManager;
  30 import android.util.Log;
  31 import android.widget.Toast;
  32
  33 public class LocationUpdateService extends IntentService implements
  34         LocationListener {
  35
  36     public static final String TAG = "LocationUpdateService";
  37
  38     private LocationManager mLocationManager;
  39     private LocationProvider mLocationProvider;
  40     private SharedPreferences mPreferences;
  41
  42     public LocationUpdateService() {
  43         super(TAG);
  44     }
  45
  46     @Override
  47     protected void onHandleIntent(Intent intent) {
  48         mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
  49         // Determine, how we can track the device
  50         Criteria criteria = new Criteria();
  51         criteria.setAccuracy(Criteria.ACCURACY_FINE);
  52         criteria.setPowerRequirement(Criteria.POWER_LOW);
  53         mLocationProvider = mLocationManager.getProvider(mLocationManager
  54                 .getBestProvider(criteria, true));
  55
  56         // Notify user if there is no way to track the device
  57         if (mLocationProvider == null) {
  58             Toast.makeText(this,
  59                     eu.alefzero.owncloud.R.string.location_no_provider,
  60                     Toast.LENGTH_LONG);
  61             stopSelf();
  62             return;
  63         }
  64
  65         // Get preferences for device tracking
  66         mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
  67         boolean trackDevice = mPreferences.getBoolean("enable_devicetracking",
  68                 true);
  69         int updateIntervall = Integer.parseInt(mPreferences.getString(
  70                 "devicetracking_update_intervall", "30")) * 60 * 1000;
  71         int distanceBetweenLocationChecks = 50;
  72
  73         // If we do shall track the device -> Stop
  74         if (!trackDevice) {
  75             Log.d(TAG, "Devicetracking is disabled");
  76             stopSelf();
  77             return;
  78         }
  79
  80         mLocationManager.requestLocationUpdates(mLocationProvider.getName(),
  81                 updateIntervall, distanceBetweenLocationChecks, this);
  82     }
  83
  84     @Override
  85     public void onLocationChanged(Location location) {
  86         Log.d(TAG, "Location changed: " + location);
  87
  88     }
  89
  90     @Override
  91     public void onProviderDisabled(String arg0) {
  92         // TODO Auto-generated method stub
  93
  94     }
  95
  96     @Override
  97     public void onProviderEnabled(String arg0) {
  98         // TODO Auto-generated method stub
  99
 100     }
 101
 102     @Override
 103     public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
 104         // TODO Auto-generated method stub
 105
 106     }
 107
 108 }