--- android/TrainInfo/src/dk/thoerup/traininfo/LocationLookup.java 2009/09/24 08:19:23 341 +++ android/TrainInfo/src/dk/thoerup/traininfo/LocationLookup.java 2010/12/25 21:22:44 1208 @@ -3,29 +3,39 @@ import java.util.List; import android.content.Context; -import android.location.Criteria; +import android.location.GpsSatellite; +import android.location.GpsStatus; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; -import android.os.Handler; import android.util.Log; -public class LocationLookup implements LocationListener{ +public class LocationLookup implements LocationListener, GpsStatus.Listener { + + public enum LookupStates { + GOTLOCATION, + NOPROVIDER, + STARTED, + IDLE + } - LocationManager locManager; - Context cntx; - Handler hndl; + private LocationManager locManager; + private Context cntx; - Location savedLocation = null; + private Location savedLocation = null; + private int satCount; + + private boolean hasGps; + + private LookupStates state; - boolean isSearching = false; - boolean hasGps; + private long startTime; - public LocationLookup(Context c, Handler h) { + public LocationLookup(Context c) { + state = LookupStates.IDLE; cntx = c; - hndl = h; } @@ -37,33 +47,57 @@ { return savedLocation; } + + public boolean hasGps() { + return hasGps; + } + + public int getSatCount() { + return satCount; + } + + public LookupStates getState() { + return state; + } + + + public long elapsedTime() { + long now = android.os.SystemClock.elapsedRealtime(); + + return now - startTime; + } public void locateStations() { - isSearching = true; + state = LookupStates.STARTED; hasGps = false; locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE); + satCount = 0; + + startTime = android.os.SystemClock.elapsedRealtime(); List providers = locManager.getProviders(true); if (providers.size() > 0) { for(String provider : providers) { Log.i("Provider", ""+provider); - if (provider.equalsIgnoreCase("gps")) - hasGps = true; + if (provider.equalsIgnoreCase("gps")) { + locManager.addGpsStatusListener(this); + hasGps = true; + } + locManager.requestLocationUpdates(provider, 0, 0, this); } } else { // message that no suitable provider was found - hndl.sendEmptyMessage(StationList.NOPROVIDER); + //hndl.sendEmptyMessage(StationList.NOPROVIDER); + state = LookupStates.NOPROVIDER; + } } @Override - public void onLocationChanged(Location location) { - if (isSearching == false) - return; - + public void onLocationChanged(Location location) { Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider()); @@ -73,19 +107,22 @@ if (hasGps) { if (!location.getProvider().equals("gps")) { return; // at least give the gps a chance - } else if (location.getAccuracy() > 256) { + } else if (location.getAccuracy() > 512) { return; //if we have a gps provider lets wait for a more precise fix } } stopSearch(); - hndl.sendEmptyMessage(StationList.GOTLOCATION); + state = LookupStates.GOTLOCATION; + } + public void stopSearch() { - if (isSearching) { - isSearching = false; + if (state == LookupStates.STARTED) { + state = LookupStates.IDLE; + locManager.removeGpsStatusListener(this); locManager.removeUpdates(this); } } @@ -106,41 +143,19 @@ // 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); - - + + @Override //GpsStatus.Listener + public void onGpsStatusChanged(int event) { + if (event == GpsStatus.GPS_EVENT_SATELLITE_STATUS) { + int count = 0; + GpsStatus status = locManager.getGpsStatus(null); + for (GpsSatellite sat : status.getSatellites()) { + count ++; + } + + satCount = count; + } - 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"); } }