18872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb/* 2ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan * Copyright (C) 2013 The Android Open Source Project 38872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * 48872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * Licensed under the Apache License, Version 2.0 (the "License"); 58872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * you may not use this file except in compliance with the License. 68872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * You may obtain a copy of the License at 78872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * 88872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * http://www.apache.org/licenses/LICENSE-2.0 98872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * 108872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * Unless required by applicable law or agreed to in writing, software 118872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * distributed under the License is distributed on an "AS IS" BASIS, 128872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * See the License for the specific language governing permissions and 148872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb * limitations under the License. 158872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb */ 168872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 17ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayanpackage com.android.camera.app; 188872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 198872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolbimport android.content.Context; 208872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolbimport android.location.Location; 218872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolbimport android.os.Bundle; 222bca210e5fc8a77685775ffb403096167b017dceAngus Kong 232bca210e5fc8a77685775ffb403096167b017dceAngus Kongimport com.android.camera.debug.Log; 248872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 258872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb/** 26ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan * A class that handles legacy (network, gps) location providers, in the event 27ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan * the fused location provider from Google Play Services is unavailable. 288872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb */ 29ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayanpublic class LegacyLocationProvider implements LocationProvider { 302bca210e5fc8a77685775ffb403096167b017dceAngus Kong private static final Log.Tag TAG = new Log.Tag("LcyLocProvider"); 318872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 328872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb private Context mContext; 338872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb private android.location.LocationManager mLocationManager; 348872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb private boolean mRecordLocation; 358872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 368872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb LocationListener [] mLocationListeners = new LocationListener[] { 378872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb new LocationListener(android.location.LocationManager.GPS_PROVIDER), 388872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb new LocationListener(android.location.LocationManager.NETWORK_PROVIDER) 398872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb }; 408872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 41ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan public LegacyLocationProvider(Context context) { 428872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mContext = context; 438872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 448872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 45ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan @Override 468872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public Location getCurrentLocation() { 478872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (!mRecordLocation) return null; 488872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 498872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb // go in best to worst order 508872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb for (int i = 0; i < mLocationListeners.length; i++) { 518872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Location l = mLocationListeners[i].current(); 528872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (l != null) return l; 538872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 548872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.d(TAG, "No location received yet."); 558872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb return null; 568872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 578872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 588872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public void recordLocation(boolean recordLocation) { 598872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (mRecordLocation != recordLocation) { 608872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mRecordLocation = recordLocation; 618872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (recordLocation) { 628872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb startReceivingLocationUpdates(); 638872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } else { 648872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb stopReceivingLocationUpdates(); 658872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 668872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 678872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 688872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 69ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan @Override 70ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan public void disconnect() { 71ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan Log.d(TAG, "disconnect"); 72ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan // The onPause() call to stopReceivingLocationUpdates is sufficient to unregister the 73ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan // Network/GPS listener. 74ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan } 75ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan 768872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb private void startReceivingLocationUpdates() { 778872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (mLocationManager == null) { 788872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLocationManager = (android.location.LocationManager) 798872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mContext.getSystemService(Context.LOCATION_SERVICE); 808872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 818872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (mLocationManager != null) { 828872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb try { 838872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLocationManager.requestLocationUpdates( 848872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb android.location.LocationManager.NETWORK_PROVIDER, 858872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1000, 868872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 0F, 878872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLocationListeners[1]); 888872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } catch (SecurityException ex) { 898872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.i(TAG, "fail to request location update, ignore", ex); 908872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } catch (IllegalArgumentException ex) { 918872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.d(TAG, "provider does not exist " + ex.getMessage()); 928872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 938872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb try { 948872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLocationManager.requestLocationUpdates( 958872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb android.location.LocationManager.GPS_PROVIDER, 968872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1000, 978872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 0F, 988872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLocationListeners[0]); 998872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } catch (SecurityException ex) { 1008872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.i(TAG, "fail to request location update, ignore", ex); 1018872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } catch (IllegalArgumentException ex) { 1028872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.d(TAG, "provider does not exist " + ex.getMessage()); 1038872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1048872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.d(TAG, "startReceivingLocationUpdates"); 1058872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1068872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1078872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1088872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb private void stopReceivingLocationUpdates() { 1098872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (mLocationManager != null) { 1108872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb for (int i = 0; i < mLocationListeners.length; i++) { 1118872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb try { 1128872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLocationManager.removeUpdates(mLocationListeners[i]); 1138872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } catch (Exception ex) { 1148872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.i(TAG, "fail to remove location listners, ignore", ex); 1158872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1168872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1178872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.d(TAG, "stopReceivingLocationUpdates"); 1188872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1198872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1208872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1218872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb private class LocationListener 1228872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb implements android.location.LocationListener { 1238872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Location mLastLocation; 1248872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb boolean mValid = false; 1258872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb String mProvider; 1268872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1278872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public LocationListener(String provider) { 1288872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mProvider = provider; 1298872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLastLocation = new Location(mProvider); 1308872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1318872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1328872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb @Override 1338872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public void onLocationChanged(Location newLocation) { 1348872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (newLocation.getLatitude() == 0.0 1358872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb && newLocation.getLongitude() == 0.0) { 1368872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb // Hack to filter out 0.0,0.0 locations 1378872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb return; 1388872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1398872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb if (!mValid) { 1408872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb Log.d(TAG, "Got first location."); 1418872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1428872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mLastLocation.set(newLocation); 1438872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mValid = true; 1448872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1458872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1468872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb @Override 1478872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public void onProviderEnabled(String provider) { 1488872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1498872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1508872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb @Override 1518872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public void onProviderDisabled(String provider) { 1528872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mValid = false; 1538872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1548872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1558872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb @Override 1568872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public void onStatusChanged( 1578872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb String provider, int status, Bundle extras) { 1588872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb switch(status) { 159ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan case android.location.LocationProvider.OUT_OF_SERVICE: 160ffbc43c3dd3c94a968a41431fb07645a13696c4aKevin Gabayan case android.location.LocationProvider.TEMPORARILY_UNAVAILABLE: { 1618872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb mValid = false; 1628872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb break; 1638872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1648872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1658872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1668872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb 1678872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb public Location current() { 1688872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb return mValid ? mLastLocation : null; 1698872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1708872c23e739de38d74f04a8c852ebb5199c905f6Michael Kolb } 1712bca210e5fc8a77685775ffb403096167b017dceAngus Kong} 172