src/com/owncloud/android/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 com.owncloud.android.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 import com.owncloud.android.R;
  34
  35 public class LocationUpdateService extends IntentService implements
  36         LocationListener {
  37
  38     public static final String TAG = "LocationUpdateService";
  39
  40     private LocationManager mLocationManager;
  41     private LocationProvider mLocationProvider;
  42     private SharedPreferences mPreferences;
  43
  44     public LocationUpdateService() {
  45         super(TAG);
  46     }
  47
  48     @Override
  49     protected void onHandleIntent(Intent intent) {
  50         mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
  51         // Determine, how we can track the device
  52         Criteria criteria = new Criteria();
  53         criteria.setAccuracy(Criteria.ACCURACY_FINE);
  54         criteria.setPowerRequirement(Criteria.POWER_LOW);
  55         mLocationProvider = mLocationManager.getProvider(mLocationManager
  56                 .getBestProvider(criteria, true));
  57
  58         // Notify user if there is no way to track the device
  59         if (mLocationProvider == null) {
  60             String message = String.format(getString(R.string.location_no_provider), getString(R.string.app_name));
  61             Toast.makeText(this,
  62                     message,
  63                     Toast.LENGTH_LONG).show();
  64             stopSelf();
  65             return;
  66         }
  67
  68         // Get preferences for device tracking
  69         mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
  70         boolean trackDevice = mPreferences.getBoolean("enable_devicetracking",
  71                 true);
  72         int updateIntervall = Integer.parseInt(mPreferences.getString(
  73                 "devicetracking_update_intervall", "30")) * 60 * 1000;
  74         int distanceBetweenLocationChecks = 50;
  75
  76         // If we do shall track the device -> Stop
  77         if (!trackDevice) {
  78             Log.d(TAG, "Devicetracking is disabled");
  79             stopSelf();
  80             return;
  81         }
  82
  83         mLocationManager.requestLocationUpdates(mLocationProvider.getName(),
  84                 updateIntervall, distanceBetweenLocationChecks, this);
  85     }
  86
  87     @Override
  88     public void onLocationChanged(Location location) {
  89         Log.d(TAG, "Location changed: " + location);
  90
  91     }
  92
  93     @Override
  94     public void onProviderDisabled(String arg0) {
  95         // TODO Auto-generated method stub
  96
  97     }
  98
  99     @Override
 100     public void onProviderEnabled(String arg0) {
 101         // TODO Auto-generated method stub
 102
 103     }
 104
 105     @Override
 106     public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
 107         // TODO Auto-generated method stub
 108
 109     }
 110
 111 }