GPS - 2

import android.app.Activity;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.LatLng;

public class MainActivity extends Activity implements LocationListener {

    private GoogleMap gmap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setUpMap();
    }

    private void setUpMap()
    {
        if(gmap == null)
        {
            gmap = ((MapFragment)getFragmentManager().findFragmentById(R.id.map)).getMap();

            if(gmap != null)
            {
                gmap.getUiSettings().setZoomControlsEnabled(true);
                gmap.setMyLocationEnabled(true);

                LocationManager lm = (LocationManager) getSystemService(LOCATION_SERVICE);

                String provider = lm.getBestProvider(new Criteria(), true);

                if(provider == null)
                {
                    onProviderDisabled(provider);
                }

                Location loc = lm.getLastKnownLocation(provider);
                if(loc != null)
                {
                    onLocationChanged(loc);
                }

            }
        }
    }

    @Override
    public void onLocationChanged(Location location) {
        LatLng latlng = new LatLng(location.getLatitude(), location.getLongitude());

        gmap.moveCamera(CameraUpdateFactory.newLatLng(latlng));
        gmap.animateCamera(CameraUpdateFactory.zoomTo(10));
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onProviderEnabled(String provider) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onProviderDisabled(String provider) {
        // TODO Auto-generated method stub

    }
}