I am trying to determine the current geolocation, i ve used the following code but i m not getting any thing so far :
public class Activity_map extends FragmentActivity implements LocationListener { public double latituteField; public double longitudeField; private GoogleMap map; private LocationManager locationManager; LatLng pos; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.gmap); loc ationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); Criteria criteria = new Criteria(); provider = locationManager.getBestProvider(criteria, false); Location location = locationManager.getLastKnownLocation(provider); if (location != null) { System.out.println("Provider " + provider + " has been selected."); onLocationChanged(location); map.addMarker(new MarkerOptions().position(pos).title("MY POSITION").snippet("GPS") .draggable(true)); } else { latituteField=0; longitudeField=0; } FragmentManager myFragmentManager = getSupportFragmentManager(); SupportMapFragment myMapFragment = (SupportMapFragment)myFragmentManager.findFragmentById(R.id.map); map = myMapFragment.getMap(); } @Override protected void onResume() { super.onResume(); locationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER,5000,10,this); } @Override protected void onPause() { super.onPause(); locationManager.removeUpdates(this); } public void onLocationChanged(Location location) { double lat = (double) (location.getLatitude()); double lng = (double) (location.getLongitude()); pos= new LatLng(lat,lng); } public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } public void onProviderEnabled(String provider) { Toast.makeText(this, "Enabled new provider " + provider, Toast.LENGTH_SHORT).show(); } public void onProviderDisabled(String provider) { Toast.makeText(this, "Disabled provider " + provider, Toast.LENGTH_SHORT).show(); } }
The problem is that i didn t get any marker.. i tried to do that but i had more than one marker
public void onLocationChanged(Location location) { double lat = (double) (location.getLatitude()); double lng = (double) (location.getLongitude()); pos=new LatLng(lat,lng); map.addMarker(new MarkerOptions().position(pos).title("MY POSITION").snippet("GPS") .draggable(true)); }
any help will be appreciated, thank you