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	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	import android.location.LocationProvider;
15	import android.os.Bundle;
16	import android.os.Handler;
17	import android.util.Log;
18	import dk.thoerup.traininfo.provider.ProviderFactory;
19	import dk.thoerup.traininfo.provider.StationProvider;
20	import dk.thoerup.traininfo.util.DownloadUtil;
21
22	public class StationLocator implements LocationListener{
23
24	LocationManager locManager;
25	Context cntx;
26	Handler hndl;
27
28	List<StationBean> stationList = new ArrayList<StationBean>();
29
30
31	Location savedLocation = null;
32
33	public StationLocator(Context c, Handler h) {
34	cntx = c;
35	hndl = h;
36	}
37
38	public List<StationBean> getStations() {
39	return stationList;
40	}
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	Log.i("BestProvider", ""+bestProv);
64
65
66	if (bestProv != null) {
67	savedLocation = locManager.getLastKnownLocation(bestProv);
68	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	savedLocation = new Location(location); //save a copy
79
80	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	}
86
87	public void findNearestStations() {
88	findNearestStations(savedLocation);
89	}
90
91	public void findNearestStations(Location location) {
92	StationProvider prov = ProviderFactory.getStationProvider();
93	prov.lookupStations(location);
94	this.stationList = prov.getStations();
95
96	if (stationList.size() > 0)
97	hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
98	else
99	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
123
124	public static void injectMockLocation(Context cntx) {
125	Location odder = new Location("gps2");
126	odder.setLatitude(55.976632);
127	odder.setLongitude(10.16407);
128
129	Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
130	kbh.setLatitude(55.675092);
131	kbh.setLongitude(12.578573);
132
133	Location bjbro = new Location("gps2");
134	bjbro.setLatitude(56.380745);
135	bjbro.setLongitude(9.655609);
136
137
138	LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
139	if (lm.getProvider("gps2") == null)
140	lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
141	lm.setTestProviderEnabled("gps2", true);
142	lm.setTestProviderLocation("gps2", kbh);
143	}
144
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	}