/[projects]/android/TrainInfo/src/dk/thoerup/traininfo/StationLocator.java
ViewVC logotype

Contents of /android/TrainInfo/src/dk/thoerup/traininfo/StationLocator.java

Parent Directory Parent Directory | Revision Log Revision Log


Revision 285 - (show annotations) (download)
Fri Aug 28 06:34:42 2009 UTC (14 years, 8 months ago) by torben
File size: 4488 byte(s)
Safer fail over if there actually was obtained a usable location
1 package dk.thoerup.traininfo;
2
3 import java.util.List;
4
5 import android.content.Context;
6 import android.location.Criteria;
7 import android.location.Location;
8 import android.location.LocationListener;
9 import android.location.LocationManager;
10 import android.os.Bundle;
11 import android.os.Handler;
12 import android.util.Log;
13 import dk.thoerup.traininfo.provider.ProviderFactory;
14 import dk.thoerup.traininfo.provider.StationProvider;
15
16 public class StationLocator implements LocationListener{
17
18 LocationManager locManager;
19 Context cntx;
20 Handler hndl;
21
22 StationProvider provider;
23 Location savedLocation = null;
24
25 public StationLocator(Context c, Handler h) {
26 cntx = c;
27 hndl = h;
28
29 provider = ProviderFactory.getStationProvider();
30 }
31
32 public List<StationBean> getStations() {
33 return provider.getStations();
34 }
35
36 public void abortLocationListener() {
37 locManager.removeUpdates(this);
38 }
39
40 public boolean hasLocation() {
41 return savedLocation != null;
42 }
43
44 public void locateStations() {
45 //http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&lstkp=0&rsz=small&hl=en&source=gsc&gss=.com&sig=fadf0e8d483d0f70bea11d5905010a16&q=Train%20station&near=56.377424%2C9.656695&key=ABQIAAAA1XbMiDxx_BTCY2_FkPh06RRaGTYH6UMl8mADNa0YKuWNNa8VNxQEerTAUcfkyrr6OwBovxn7TDAH5Q&v=1.0&nocache=1249640467498
46
47 locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
48 /*//testcode
49 List<String> provs = locManager.getAllProviders();
50 for (String p : provs) {
51 Log.e("Provider", p);
52 }
53 provs = locManager.getProviders(true);
54 for (String p : provs) {
55 Log.e("ActiveProvider", p);
56 }
57 */
58 Criteria c = new Criteria();
59 c.setAccuracy(Criteria.ACCURACY_FINE);
60 String bestProv = locManager.getBestProvider(c, true);
61 Log.i("BestProvider", ""+bestProv);
62
63
64 if (bestProv != null) {
65 locManager.requestLocationUpdates(bestProv, 0, 0, this);
66 } else {
67 // message that no suitable provider was found
68 hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER);
69 }
70 }
71 @Override
72 public void onLocationChanged(Location location) {
73 Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());
74
75 savedLocation = new Location(location); //save a copy
76
77 if (location.getProvider().equals("gps") && location.getAccuracy() > 100) //if we have a gps provider lets wait for a more precise fix
78 return;
79
80 locManager.removeUpdates(this);
81 hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
82 }
83
84 public void findNearestStations() {
85 findNearestStations(savedLocation);
86 }
87
88 public void findNearestStations(Location location) {
89 provider.lookupStations(location);
90
91 if ( provider.getStations().size() > 0)
92 hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
93 else
94 hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
95 }
96
97
98 @Override
99 public void onProviderDisabled(String provider) {
100 // TODO Auto-generated method stub
101
102 }
103
104
105 @Override
106 public void onProviderEnabled(String provider) {
107 // TODO Auto-generated method stub
108
109 }
110
111
112 @Override
113 public void onStatusChanged(String provider, int status, Bundle extras) {
114 // TODO Auto-generated method stub
115
116 }
117
118
119 public static void injectMockLocation(Context cntx) {
120 Location odder = new Location("gps2");
121 odder.setLatitude(55.976632);
122 odder.setLongitude(10.16407);
123
124 Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
125 kbh.setLatitude(55.675092);
126 kbh.setLongitude(12.578573);
127
128 Location bjbro = new Location("gps2");
129 bjbro.setLatitude(56.380745);
130 bjbro.setLongitude(9.655609);
131
132 Location hillerod = new Location("gps");
133 hillerod.setLatitude(55.929177);
134 hillerod.setLongitude(12.308095);
135
136 LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
137 if (lm.getProvider("gps2") == null)
138 lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
139 lm.setTestProviderEnabled("gps2", true);
140 lm.setTestProviderLocation("gps2", hillerod);
141 }
142
143 public static void removeMockLocation(Context cntx) {
144 LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
145 if (lm.getProvider("gps2") != null)
146 lm.removeTestProvider("gps2");
147 }
148 }

  ViewVC Help
Powered by ViewVC 1.1.20