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import java.util.List; |
import java.util.List; |
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import android.content.Context; |
import android.content.Context; |
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import android.location.Criteria; |
import android.location.GpsSatellite; |
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import android.location.GpsStatus; |
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import android.location.Location; |
import android.location.Location; |
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import android.location.LocationListener; |
import android.location.LocationListener; |
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import android.location.LocationManager; |
import android.location.LocationManager; |
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import android.os.Bundle; |
import android.os.Bundle; |
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import android.os.Handler; |
import android.os.Handler; |
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import android.os.Message; |
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import android.util.Log; |
import android.util.Log; |
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public class LocationLookup implements LocationListener{ |
public class LocationLookup implements LocationListener, GpsStatus.Listener { |
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LocationManager locManager; |
LocationManager locManager; |
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Context cntx; |
Context cntx; |
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Handler hndl; |
Handler hndl; |
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Location lastKnownLocation = null; |
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Location savedLocation = null; |
Location savedLocation = null; |
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boolean isSearching = false; |
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boolean hasGps; |
boolean hasGps; |
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public LocationLookup(Context c, Handler h) { |
public LocationLookup(Context c, Handler h) { |
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cntx = c; |
cntx = c; |
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hndl = h; |
hndl = h; |
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} |
} |
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public void abortLocationListener() { |
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locManager.removeUpdates(this); |
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} |
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public boolean hasLocation() { |
public boolean hasLocation() { |
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return savedLocation != null; |
return savedLocation != null; |
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{ |
{ |
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return savedLocation; |
return savedLocation; |
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} |
} |
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public Location getLastKnownLocation() { |
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return lastKnownLocation; |
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} |
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public void locateStations() { |
public void locateStations() { |
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isSearching = true; |
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hasGps = false; |
hasGps = false; |
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locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE); |
locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE); |
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if (providers.size() > 0) { |
if (providers.size() > 0) { |
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for(String provider : providers) { |
for(String provider : providers) { |
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Log.i("Provider", ""+provider); |
Log.i("Provider", ""+provider); |
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if (provider.equalsIgnoreCase("gps")) |
if (provider.equalsIgnoreCase("gps")) { |
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hasGps = true; |
locManager.addGpsStatusListener(this); |
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hasGps = true; |
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} |
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locManager.requestLocationUpdates(provider, 0, 0, this); |
locManager.requestLocationUpdates(provider, 0, 0, this); |
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Location tmpLastKnown = locManager.getLastKnownLocation(provider); |
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if (tmpLastKnown != null) { |
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saveLastKnownLocation(tmpLastKnown); |
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} |
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} |
} |
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} else { |
} else { |
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// message that no suitable provider was found |
// message that no suitable provider was found |
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hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER); |
//hndl.sendEmptyMessage(StationList.NOPROVIDER); |
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hndl.sendEmptyMessage(StationList.LookupStates.NOPROVIDER.ordinal()); |
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} |
} |
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} |
} |
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@Override |
@Override |
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public void onLocationChanged(Location location) { |
public void onLocationChanged(Location location) { |
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if (isSearching == false) |
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return; |
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Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider()); |
Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider()); |
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if (savedLocation == null || location.getAccuracy() < savedLocation.getAccuracy()) |
if (savedLocation == null || location.getAccuracy() < savedLocation.getAccuracy()) |
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savedLocation = new Location(location); //save a copy |
savedLocation = new Location(location); //save a copy |
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if (hasGps) { |
if (hasGps) { |
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if (!location.getProvider().equals("gps")) { |
if (!location.getProvider().equals("gps")) { |
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return; // at least give the gps a chance |
return; // at least give the gps a chance |
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} else if (location.getAccuracy() > 100) { |
} else if (location.getAccuracy() > 512) { |
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return; //if we have a gps provider lets wait for a more precise fix |
return; //if we have a gps provider lets wait for a more precise fix |
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} |
} |
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} |
} |
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stopSearch(); |
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locManager.removeUpdates(this); |
hndl.sendEmptyMessage(StationList.LookupStates.GOTLOCATION.ordinal()); |
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hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION); |
} |
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private void saveLastKnownLocation(Location loc) { |
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if (lastKnownLocation == null) { |
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lastKnownLocation = loc; |
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} else { |
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if (loc.getTime() > lastKnownLocation.getTime()) {//if loc is more recent than saved |
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lastKnownLocation = loc; |
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} |
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} |
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} |
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public void stopSearch() |
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{ |
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if (isSearching) { |
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isSearching = false; |
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locManager.removeGpsStatusListener(this); |
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locManager.removeUpdates(this); |
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} |
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} |
} |
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/* |
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public void findNearestStations(Location location) { |
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provider.lookupStations(location); |
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if ( provider.getStations().size() > 0) |
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hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST); |
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else |
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hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED); |
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}*/ |
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@Override |
@Override |
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// TODO Auto-generated method stub |
// TODO Auto-generated method stub |
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} |
} |
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public static void injectMockLocation(Context cntx) { |
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Location odder = new Location("gps2"); |
@Override //GpsStatus.Listener |
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odder.setLatitude(55.976632); |
public void onGpsStatusChanged(int event) { |
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odder.setLongitude(10.16407); |
if (event == GpsStatus.GPS_EVENT_SATELLITE_STATUS) { |
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int count = 0; |
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Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573 |
GpsStatus status = locManager.getGpsStatus(null); |
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kbh.setLatitude(55.675092); |
for (GpsSatellite sat : status.getSatellites()) { |
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kbh.setLongitude(12.578573); |
count ++; |
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} |
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Location bjbro = new Location("gps2"); |
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bjbro.setLatitude(56.380745); |
Message msg = new Message(); |
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bjbro.setLongitude(9.655609); |
msg.what = StationList.LookupStates.GPS_SAT_COUNT.ordinal(); |
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msg.arg1 = count; |
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Location hillerod = new Location("gps"); |
hndl.sendMessage(msg); |
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hillerod.setLatitude(55.929177); |
} |
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hillerod.setLongitude(12.308095); |
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Location aarhus = new Location("gps"); //Aros |
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aarhus.setLatitude(56.153828); |
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aarhus.setLongitude(10.200369); |
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LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE); |
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if (lm.getProvider("gps2") == null) |
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lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE ); |
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lm.setTestProviderEnabled("gps2", true); |
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lm.setTestProviderLocation("gps2", kbh); |
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} |
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public static void removeMockLocation(Context cntx) { |
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LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE); |
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if (lm.getProvider("gps2") != null) |
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lm.removeTestProvider("gps2"); |
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} |
} |
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} |
} |