thoerup/traininfo/StationLocator.java

package dk.thoerup.traininfo;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONObject;

import android.content.Context;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.location.LocationProvider;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.StationProvider;
import dk.thoerup.traininfo.util.DownloadUtil;

public class StationLocator implements LocationListener{

        LocationManager locManager;
        Context cntx;
        Handler hndl;

        List<StationBean> stationList = new ArrayList<StationBean>();

        
        Location savedLocation = null;

        public StationLocator(Context c, Handler h) {
                cntx = c;
                hndl = h;
        }
        
        public List<StationBean> getStations() {
                return stationList;
        }
        
        public void abortLocationListener() {
                locManager.removeUpdates(this);
        }

        public void locateStations() {
                //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

                locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
                /*//testcode
                List<String> provs = locManager.getAllProviders();
                for (String p  : provs) {
                        Log.e("Provider", p);
                }
                provs = locManager.getProviders(true);
                for (String p  : provs) {
                        Log.e("ActiveProvider", p);
                }
                */
                Criteria c = new Criteria();
                c.setAccuracy(Criteria.ACCURACY_FINE);
                String bestProv = locManager.getBestProvider(c, true);
                Log.i("BestProvider", ""+bestProv);
                

                if (bestProv != null) {
                        savedLocation = locManager.getLastKnownLocation(bestProv);
                        locManager.requestLocationUpdates(bestProv, 0, 0, this);
                } else {
                        // message that no suitable provider was found
                        hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER);
                }
        }
        @Override
        public void onLocationChanged(Location location) {
                Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());

                savedLocation = new Location(location); //save a copy
                
                if (location.getProvider().equals("gps") && location.getAccuracy() > 100) //if we have a gps provider lets wait for a more precise fix
                        return;

                locManager.removeUpdates(this);
                hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
        }
        
        public void findNearestStations() {
                findNearestStations(savedLocation);
        }
        
        public void findNearestStations(Location location) {
                StationProvider prov = ProviderFactory.getStationProvider();
                prov.lookupStations(location);
                this.stationList = prov.getStations();
                
                if (stationList.size() > 0) 
                        hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
                else
                        hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
        }


        @Override
        public void onProviderDisabled(String provider) {
                // TODO Auto-generated method stub

        }


        @Override
        public void onProviderEnabled(String provider) {
                // TODO Auto-generated method stub

        }


        @Override
        public void onStatusChanged(String provider, int status, Bundle extras) {
                // TODO Auto-generated method stub

        }
        

        public static void injectMockLocation(Context cntx) {
                Location odder = new Location("gps2"); 
                odder.setLatitude(55.976632);
                odder.setLongitude(10.16407);
                
                Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
                kbh.setLatitude(55.675092);
                kbh.setLongitude(12.578573);
                
                Location bjbro = new Location("gps2");
                bjbro.setLatitude(56.380745);
                bjbro.setLongitude(9.655609);
                
                
                LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
                if (lm.getProvider("gps2") == null)
                        lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
                lm.setTestProviderEnabled("gps2", true);
                lm.setTestProviderLocation("gps2", kbh);
        }
        
        public static void removeMockLocation(Context cntx) {
                LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
                if (lm.getProvider("gps2") != null)
                        lm.removeTestProvider("gps2");
        }
}
1	torben	237	package dk.thoerup.traininfo;
2
3			import java.util.ArrayList;
4			import java.util.List;
5
6			import org.json.JSONArray;
7			import org.json.JSONObject;
8
9			import android.content.Context;
10			import android.location.Criteria;
11			import android.location.Location;
12			import android.location.LocationListener;
13			import android.location.LocationManager;
14	torben	241	import android.location.LocationProvider;
15	torben	237	import android.os.Bundle;
16			import android.os.Handler;
17			import android.util.Log;
18	torben	253	import dk.thoerup.traininfo.provider.ProviderFactory;
19			import dk.thoerup.traininfo.provider.StationProvider;
20	torben	241	import dk.thoerup.traininfo.util.DownloadUtil;
21	torben	237
22			public class StationLocator implements LocationListener{
23
24			LocationManager locManager;
25			Context cntx;
26			Handler hndl;
27
28	torben	253	List<StationBean> stationList = new ArrayList<StationBean>();
29	torben	237
30	torben	241
31			Location savedLocation = null;
32
33	torben	237	public StationLocator(Context c, Handler h) {
34			cntx = c;
35			hndl = h;
36			}
37
38			public List<StationBean> getStations() {
39	torben	253	return stationList;
40	torben	237	}
41
42			public void abortLocationListener() {
43			locManager.removeUpdates(this);
44			}
45
46			public void locateStations() {
47			//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
48
49			locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
50			/*//testcode
51			List<String> provs = locManager.getAllProviders();
52			for (String p : provs) {
53			Log.e("Provider", p);
54			}
55			provs = locManager.getProviders(true);
56			for (String p : provs) {
57			Log.e("ActiveProvider", p);
58			}
59			*/
60			Criteria c = new Criteria();
61			c.setAccuracy(Criteria.ACCURACY_FINE);
62			String bestProv = locManager.getBestProvider(c, true);
63	torben	242	Log.i("BestProvider", ""+bestProv);
64	torben	241
65	torben	237
66			if (bestProv != null) {
67	torben	241	savedLocation = locManager.getLastKnownLocation(bestProv);
68	torben	237	locManager.requestLocationUpdates(bestProv, 0, 0, this);
69			} else {
70			// message that no suitable provider was found
71			hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER);
72			}
73			}
74			@Override
75			public void onLocationChanged(Location location) {
76			Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());
77
78	torben	241	savedLocation = new Location(location); //save a copy
79
80	torben	237	if (location.getProvider().equals("gps") && location.getAccuracy() > 100) //if we have a gps provider lets wait for a more precise fix
81			return;
82
83			locManager.removeUpdates(this);
84			hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
85	torben	241	}
86
87			public void findNearestStations() {
88			findNearestStations(savedLocation);
89			}
90
91			public void findNearestStations(Location location) {
92	torben	253	StationProvider prov = ProviderFactory.getStationProvider();
93			prov.lookupStations(location);
94			this.stationList = prov.getStations();
95
96			if (stationList.size() > 0)
97	torben	237	hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
98	torben	253	else
99	torben	237	hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
100			}
101
102
103			@Override
104			public void onProviderDisabled(String provider) {
105			// TODO Auto-generated method stub
106
107			}
108
109
110			@Override
111			public void onProviderEnabled(String provider) {
112			// TODO Auto-generated method stub
113
114			}
115
116
117			@Override
118			public void onStatusChanged(String provider, int status, Bundle extras) {
119			// TODO Auto-generated method stub
120
121			}
122	torben	253
123	torben	252
124	torben	241	public static void injectMockLocation(Context cntx) {
125	torben	252	Location odder = new Location("gps2");
126			odder.setLatitude(55.976632);
127			odder.setLongitude(10.16407);
128	torben	241
129	torben	252	Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
130			kbh.setLatitude(55.675092);
131			kbh.setLongitude(12.578573);
132
133	torben	253	Location bjbro = new Location("gps2");
134			bjbro.setLatitude(56.380745);
135			bjbro.setLongitude(9.655609);
136
137
138	torben	241	LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
139	torben	252	if (lm.getProvider("gps2") == null)
140			lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
141	torben	241	lm.setTestProviderEnabled("gps2", true);
142	torben	252	lm.setTestProviderLocation("gps2", kbh);
143	torben	241	}
144	torben	252
145			public static void removeMockLocation(Context cntx) {
146			LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
147			if (lm.getProvider("gps2") != null)
148			lm.removeTestProvider("gps2");
149			}
150	torben	237	}