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;
        
        boolean hasGps;

        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 boolean hasLocation() {
                return savedLocation != null;
        }

        public void locateStations() {
                hasGps = false;
                locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);

                List<String> providers = locManager.getProviders(true);         
                
                if (providers.size() > 0) {
                        for(String provider : providers) {
                                Log.i("Provider", ""+provider);
                                if (provider.equalsIgnoreCase("gps"))
                                        hasGps = true;
                                locManager.requestLocationUpdates(provider, 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());

                if (savedLocation == null || location.getAccuracy() < savedLocation.getAccuracy())
                        savedLocation = new Location(location); //save a copy
                
                if (hasGps) {
                        if (!location.getProvider().equals("gps")) {
                                return; // at least give the gps a chance
                        } else if (location.getAccuracy() > 100) {
                                return; //if we have a gps provider lets wait for a more precise fix
                        }

                }

                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) {
        }


        @Override
        public void onProviderEnabled(String provider) {
        }


        @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);
                
                Location aarhus = new Location("gps"); //Aros
                aarhus.setLatitude(56.153828);
                aarhus.setLongitude(10.200369);
                
                
                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.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	boolean hasGps;
26
27	public StationLocator(Context c, Handler h) {
28	cntx = c;
29	hndl = h;
30
31	provider = ProviderFactory.getStationProvider();
32	}
33
34	public List<StationBean> getStations() {
35	return provider.getStations();
36	}
37
38	public void abortLocationListener() {
39	locManager.removeUpdates(this);
40	}
41
42	public boolean hasLocation() {
43	return savedLocation != null;
44	}
45
46	public void locateStations() {
47	hasGps = false;
48	locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
49
50	List<String> providers = locManager.getProviders(true);
51
52	if (providers.size() > 0) {
53	for(String provider : providers) {
54	Log.i("Provider", ""+provider);
55	if (provider.equalsIgnoreCase("gps"))
56	hasGps = true;
57	locManager.requestLocationUpdates(provider, 0, 0, this);
58	}
59	} else {
60	// message that no suitable provider was found
61	hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER);
62	}
63	}
64	@Override
65	public void onLocationChanged(Location location) {
66	Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());
67
68	if (savedLocation == null \|\| location.getAccuracy() < savedLocation.getAccuracy())
69	savedLocation = new Location(location); //save a copy
70
71	if (hasGps) {
72	if (!location.getProvider().equals("gps")) {
73	return; // at least give the gps a chance
74	} else if (location.getAccuracy() > 100) {
75	return; //if we have a gps provider lets wait for a more precise fix
76	}
77
78	}
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	}
101
102
103	@Override
104	public void onProviderEnabled(String provider) {
105	}
106
107
108	@Override
109	public void onStatusChanged(String provider, int status, Bundle extras) {
110	// TODO Auto-generated method stub
111
112	}
113
114
115	public static void injectMockLocation(Context cntx) {
116	Location odder = new Location("gps2");
117	odder.setLatitude(55.976632);
118	odder.setLongitude(10.16407);
119
120	Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
121	kbh.setLatitude(55.675092);
122	kbh.setLongitude(12.578573);
123
124	Location bjbro = new Location("gps2");
125	bjbro.setLatitude(56.380745);
126	bjbro.setLongitude(9.655609);
127
128	Location hillerod = new Location("gps");
129	hillerod.setLatitude(55.929177);
130	hillerod.setLongitude(12.308095);
131
132	Location aarhus = new Location("gps"); //Aros
133	aarhus.setLatitude(56.153828);
134	aarhus.setLongitude(10.200369);
135
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	}