Fast get Location in start GPS first time

public class NearByListActivity extends Activity implements LocationListener {
     @Override
     public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.mainLayout);

          // fast get gps location
          locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, this);
          onLocationChanged(locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER));
}

     @Override
     public void onLocationChanged(Location location) {
          // .....
     }
}