/[projects]/android/TrainInfo/src/dk/thoerup/traininfo/StationLocator.java
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revision 240 by torben, Sun Aug 9 09:20:45 2009 UTC revision 241 by torben, Sun Aug 9 11:21:30 2009 UTC
# Line 1  Line 1 
1  package dk.thoerup.traininfo;  package dk.thoerup.traininfo;
2    
 import java.io.BufferedReader;  
 import java.io.InputStreamReader;  
 import java.net.URL;  
 import java.net.URLConnection;  
3  import java.util.ArrayList;  import java.util.ArrayList;
4  import java.util.List;  import java.util.List;
5    
6  import org.json.JSONArray;  import org.json.JSONArray;
7  import org.json.JSONObject;  import org.json.JSONObject;
8    
 import dk.thoerup.traininfo.util.DownloadUtil;  
   
9  import android.content.Context;  import android.content.Context;
10  import android.location.Criteria;  import android.location.Criteria;
11  import android.location.Location;  import android.location.Location;
12  import android.location.LocationListener;  import android.location.LocationListener;
13  import android.location.LocationManager;  import android.location.LocationManager;
14    import android.location.LocationProvider;
15  import android.os.Bundle;  import android.os.Bundle;
16  import android.os.Handler;  import android.os.Handler;
17  import android.util.Log;  import android.util.Log;
18    import dk.thoerup.traininfo.util.DownloadUtil;
19    
20  public class StationLocator implements LocationListener{  public class StationLocator implements LocationListener{
21    
# Line 30  public class StationLocator implements L Line 26  public class StationLocator implements L
26          ArrayList<StationBean> stationList = new ArrayList<StationBean>();          ArrayList<StationBean> stationList = new ArrayList<StationBean>();
27          List<StationBean> safeStationList = java.util.Collections.unmodifiableList(stationList);          List<StationBean> safeStationList = java.util.Collections.unmodifiableList(stationList);
28    
29            
30            Location savedLocation = null;
31    
32          public StationLocator(Context c, Handler h) {          public StationLocator(Context c, Handler h) {
33                  cntx = c;                  cntx = c;
34                  hndl = h;                  hndl = h;
# Line 61  public class StationLocator implements L Line 60  public class StationLocator implements L
60                  c.setAccuracy(Criteria.ACCURACY_FINE);                  c.setAccuracy(Criteria.ACCURACY_FINE);
61                  String bestProv = locManager.getBestProvider(c, true);                  String bestProv = locManager.getBestProvider(c, true);
62                  Log.e("BestProvider", bestProv);                  Log.e("BestProvider", bestProv);
63                    
64    
65                  if (bestProv != null) {                  if (bestProv != null) {
66                            savedLocation = locManager.getLastKnownLocation(bestProv);
67                          locManager.requestLocationUpdates(bestProv, 0, 0, this);                          locManager.requestLocationUpdates(bestProv, 0, 0, this);
68                  } else {                  } else {
69                          // message that no suitable provider was found                          // message that no suitable provider was found
# Line 73  public class StationLocator implements L Line 74  public class StationLocator implements L
74          public void onLocationChanged(Location location) {          public void onLocationChanged(Location location) {
75                  Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());                  Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());
76    
77                    savedLocation = new Location(location); //save a copy
78                    
79                  if (location.getProvider().equals("gps") && location.getAccuracy() > 100) //if we have a gps provider lets wait for a more precise fix                  if (location.getProvider().equals("gps") && location.getAccuracy() > 100) //if we have a gps provider lets wait for a more precise fix
80                          return;                          return;
81    
82                  locManager.removeUpdates(this);                  locManager.removeUpdates(this);
83                  hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);                  hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
84                            }
85            
86            public void findNearestStations() {
87                    findNearestStations(savedLocation);
88            }
89            
90            public void findNearestStations(Location location) {
91                  //ToDo: to be nice put the api key into the request                  //ToDo: to be nice put the api key into the request
92                  String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=" + location.getLatitude() + "%2C" + location.getLongitude() + "&v=1.0";                  String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=" + location.getLatitude() + "%2C" + location.getLongitude() + "&v=1.0";
93                  //String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=56.2%2C9.0&v=1.0";                  //String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=56.2%2C9.0&v=1.0";
# Line 121  public class StationLocator implements L Line 130  public class StationLocator implements L
130                          Log.e("Location","Location",e);                          Log.e("Location","Location",e);
131                          hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);                          hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
132                  }                  }
133                                            
134          }          }
135    
136    
# Line 144  public class StationLocator implements L Line 153  public class StationLocator implements L
153                  // TODO Auto-generated method stub                  // TODO Auto-generated method stub
154    
155          }          }
156            
157            public static void injectMockLocation(Context cntx) {
158                    Location loc = new Location("gps2");
159                    loc.setLatitude(56.378084);
160                    loc.setLongitude(9.659815);
161                    
162                    LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
163                    lm.setTestProviderEnabled("gps2", true);
164                    lm.setTestProviderLocation("gps2", loc);
165    
166            }
167  }  }
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