src/com/owncloud/android/location/LocationUpdateService.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.location;
  20
  21 import android.app.IntentService;
  22 import android.content.Intent;
  23 import android.content.SharedPreferences;
  24 import android.location.Criteria;
  25 import android.location.Location;
  26 import android.location.LocationListener;
  27 import android.location.LocationManager;
  28 import android.location.LocationProvider;
  29 import android.os.Bundle;
  30 import android.preference.PreferenceManager;
  31 import android.util.Log;
  32 import android.widget.Toast;
  33
  34 import com.owncloud.android.R;
  35
  36 public class LocationUpdateService extends IntentService implements
  37         LocationListener {
  38
  39     public static final String TAG = "LocationUpdateService";
  40
  41     private LocationManager mLocationManager;
  42     private LocationProvider mLocationProvider;
  43     private SharedPreferences mPreferences;
  44
  45     public LocationUpdateService() {
  46         super(TAG);
  47     }
  48
  49     @Override
  50     protected void onHandleIntent(Intent intent) {
  51         mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
  52         // Determine, how we can track the device
  53         Criteria criteria = new Criteria();
  54         criteria.setAccuracy(Criteria.ACCURACY_FINE);
  55         criteria.setPowerRequirement(Criteria.POWER_LOW);
  56         mLocationProvider = mLocationManager.getProvider(mLocationManager
  57                 .getBestProvider(criteria, true));
  58
  59         // Notify user if there is no way to track the device
  60         if (mLocationProvider == null) {
  61             String message = String.format(getString(R.string.location_no_provider), getString(R.string.app_name));
  62             Toast.makeText(this,
  63                     message,
  64                     Toast.LENGTH_LONG).show();
  65             stopSelf();
  66             return;
  67         }
  68
  69         // Get preferences for device tracking
  70         mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
  71         boolean trackDevice = mPreferences.getBoolean("enable_devicetracking",
  72                 true);
  73         int updateIntervall = Integer.parseInt(mPreferences.getString(
  74                 "devicetracking_update_intervall", "30")) * 60 * 1000;
  75         int distanceBetweenLocationChecks = 50;
  76
  77         // If we do shall track the device -> Stop
  78         if (!trackDevice) {
  79             Log.d(TAG, "Devicetracking is disabled");
  80             stopSelf();
  81             return;
  82         }
  83
  84         mLocationManager.requestLocationUpdates(mLocationProvider.getName(),
  85                 updateIntervall, distanceBetweenLocationChecks, this);
  86     }
  87
  88     @Override
  89     public void onLocationChanged(Location location) {
  90         Log.d(TAG, "Location changed: " + location);
  91
  92     }
  93
  94     @Override
  95     public void onProviderDisabled(String arg0) {
  96         // TODO Auto-generated method stub
  97
  98     }
  99
 100     @Override
 101     public void onProviderEnabled(String arg0) {
 102         // TODO Auto-generated method stub
 103
 104     }
 105
 106     @Override
 107     public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
 108         // TODO Auto-generated method stub
 109
 110     }
 111
 112 }