thoerup/traininfo/LocationLookup.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);

                Criteria c = new Criteria();
                c.setAccuracy(Criteria.ACCURACY_FINE);
                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) {
                // 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	torben	237	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	torben	253	import dk.thoerup.traininfo.provider.ProviderFactory;
14			import dk.thoerup.traininfo.provider.StationProvider;
15	torben	237
16			public class StationLocator implements LocationListener{
17
18			LocationManager locManager;
19			Context cntx;
20			Handler hndl;
21
22	torben	254	StationProvider provider;
23	torben	241	Location savedLocation = null;
24	torben	286
25			boolean hasGps;
26	torben	241
27	torben	237	public StationLocator(Context c, Handler h) {
28			cntx = c;
29			hndl = h;
30	torben	254
31			provider = ProviderFactory.getStationProvider();
32	torben	237	}
33
34			public List<StationBean> getStations() {
35	torben	254	return provider.getStations();
36	torben	237	}
37
38			public void abortLocationListener() {
39			locManager.removeUpdates(this);
40			}
41	torben	285
42			public boolean hasLocation() {
43			return savedLocation != null;
44			}
45	torben	237
46			public void locateStations() {
47	torben	286	hasGps = false;
48	torben	237
49			locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
50	torben	286
51	torben	237	Criteria c = new Criteria();
52			c.setAccuracy(Criteria.ACCURACY_FINE);
53	torben	286	List<String> providers = locManager.getProviders(true);
54	torben	241
55	torben	286
56			if (providers.size() > 0) {
57			for(String provider : providers) {
58			Log.i("Provider", ""+provider);
59			if (provider.equalsIgnoreCase("gps"))
60			hasGps = true;
61			locManager.requestLocationUpdates(provider, 0, 0, this);
62			}
63	torben	237	} 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	torben	286	if (savedLocation == null \|\| location.getAccuracy() < savedLocation.getAccuracy())
73			savedLocation = new Location(location); //save a copy
74	torben	241
75	torben	286	if (hasGps) {
76			if (!location.getProvider().equals("gps")) {
77			return; // at least give the gps a chance
78			} else if (location.getAccuracy() > 100) {
79			return; //if we have a gps provider lets wait for a more precise fix
80			}
81	torben	237
82	torben	286	}
83
84	torben	237	locManager.removeUpdates(this);
85			hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
86	torben	241	}
87
88			public void findNearestStations() {
89			findNearestStations(savedLocation);
90			}
91
92			public void findNearestStations(Location location) {
93	torben	254	provider.lookupStations(location);
94	torben	253
95	torben	254	if ( provider.getStations().size() > 0)
96	torben	237	hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
97	torben	253	else
98	torben	237	hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
99			}
100
101
102			@Override
103			public void onProviderDisabled(String provider) {
104			// TODO Auto-generated method stub
105
106			}
107
108
109			@Override
110			public void onProviderEnabled(String provider) {
111			// TODO Auto-generated method stub
112
113			}
114
115
116			@Override
117			public void onStatusChanged(String provider, int status, Bundle extras) {
118			// TODO Auto-generated method stub
119
120			}
121	torben	253
122	torben	252
123	torben	241	public static void injectMockLocation(Context cntx) {
124	torben	252	Location odder = new Location("gps2");
125			odder.setLatitude(55.976632);
126			odder.setLongitude(10.16407);
127	torben	241
128	torben	252	Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
129			kbh.setLatitude(55.675092);
130			kbh.setLongitude(12.578573);
131
132	torben	253	Location bjbro = new Location("gps2");
133			bjbro.setLatitude(56.380745);
134			bjbro.setLongitude(9.655609);
135
136	torben	256	Location hillerod = new Location("gps");
137			hillerod.setLatitude(55.929177);
138			hillerod.setLongitude(12.308095);
139	torben	253
140	torben	241	LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
141	torben	252	if (lm.getProvider("gps2") == null)
142			lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
143	torben	241	lm.setTestProviderEnabled("gps2", true);
144	torben	256	lm.setTestProviderLocation("gps2", hillerod);
145	torben	241	}
146	torben	252
147			public static void removeMockLocation(Context cntx) {
148			LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
149			if (lm.getProvider("gps2") != null)
150			lm.removeTestProvider("gps2");
151			}
152	torben	237	}