thoerup/traininfo/StationLocator.java

package dk.thoerup.traininfo;

import java.util.List;

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

public class StationLocator implements LocationListener{

        LocationManager locManager;
        Context cntx;
        Handler hndl;

        StationProvider provider; 
        Location savedLocation = null;

        public StationLocator(Context c, Handler h) {
                cntx = c;
                hndl = h;
                
                provider = ProviderFactory.getStationProvider();
        }
        
        public List<StationBean> getStations() {
                return provider.getStations();
        }
        
        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) {
                provider.lookupStations(location);
                
                if ( provider.getStations().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);
                
                Location hillerod = new Location("gps");
                hillerod.setLatitude(55.929177);
                hillerod.setLongitude(12.308095);
                
                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", hillerod);
        }
        
        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.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 void locateStations() {
41	//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
42
43	locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
44	/*//testcode
45	List<String> provs = locManager.getAllProviders();
46	for (String p : provs) {
47	Log.e("Provider", p);
48	}
49	provs = locManager.getProviders(true);
50	for (String p : provs) {
51	Log.e("ActiveProvider", p);
52	}
53	*/
54	Criteria c = new Criteria();
55	c.setAccuracy(Criteria.ACCURACY_FINE);
56	String bestProv = locManager.getBestProvider(c, true);
57	Log.i("BestProvider", ""+bestProv);
58
59
60	if (bestProv != null) {
61	savedLocation = locManager.getLastKnownLocation(bestProv);
62	locManager.requestLocationUpdates(bestProv, 0, 0, this);
63	} else {
64	// message that no suitable provider was found
65	hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER);
66	}
67	}
68	@Override
69	public void onLocationChanged(Location location) {
70	Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());
71
72	savedLocation = new Location(location); //save a copy
73
74	if (location.getProvider().equals("gps") && location.getAccuracy() > 100) //if we have a gps provider lets wait for a more precise fix
75	return;
76
77	locManager.removeUpdates(this);
78	hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
79	}
80
81	public void findNearestStations() {
82	findNearestStations(savedLocation);
83	}
84
85	public void findNearestStations(Location location) {
86	provider.lookupStations(location);
87
88	if ( provider.getStations().size() > 0)
89	hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
90	else
91	hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
92	}
93
94
95	@Override
96	public void onProviderDisabled(String provider) {
97	// TODO Auto-generated method stub
98
99	}
100
101
102	@Override
103	public void onProviderEnabled(String provider) {
104	// TODO Auto-generated method stub
105
106	}
107
108
109	@Override
110	public void onStatusChanged(String provider, int status, Bundle extras) {
111	// TODO Auto-generated method stub
112
113	}
114
115
116	public static void injectMockLocation(Context cntx) {
117	Location odder = new Location("gps2");
118	odder.setLatitude(55.976632);
119	odder.setLongitude(10.16407);
120
121	Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
122	kbh.setLatitude(55.675092);
123	kbh.setLongitude(12.578573);
124
125	Location bjbro = new Location("gps2");
126	bjbro.setLatitude(56.380745);
127	bjbro.setLongitude(9.655609);
128
129	Location hillerod = new Location("gps");
130	hillerod.setLatitude(55.929177);
131	hillerod.setLongitude(12.308095);
132
133	LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
134	if (lm.getProvider("gps2") == null)
135	lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
136	lm.setTestProviderEnabled("gps2", true);
137	lm.setTestProviderLocation("gps2", hillerod);
138	}
139
140	public static void removeMockLocation(Context cntx) {
141	LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
142	if (lm.getProvider("gps2") != null)
143	lm.removeTestProvider("gps2");
144	}
145	}