Getting users location in Android #1

public class MyFragment extends SupportMapFragment {

    public static final String TAG = "MyFragment";

    // Milliseconds per second
    private static final int MILLISECONDS_PER_SECOND = 1000;
    // Update frequency in seconds
    public static final int UPDATE_INTERVAL_IN_SECONDS = 120;
    // Update frequency in milliseconds
    private static final long UPDATE_INTERVAL = MILLISECONDS_PER_SECOND * UPDATE_INTERVAL_IN_SECONDS;
    // The fastest update frequency, in seconds
    private static final int FASTEST_INTERVAL_IN_SECONDS = 60;
    // A fast frequency ceiling in milliseconds
    private static final long FASTEST_INTERVAL = MILLISECONDS_PER_SECOND * FASTEST_INTERVAL_IN_SECONDS;

    Location currentLocation;
    LocationClient locationClient;
    LocationRequest locationRequest;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        if (savedInstanceState != null) {
            currentLocation = savedInstanceState.getParcelable("CURRENT_LOCATION");
        }

        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onStart() {
        super.onStart();
        map = this.getMap();

        locationClient = new LocationClient(getActivity(), locationConnectionCallbacks, locationConnectionFailed);
        locationClient.connect();

        // Current location restored
        if (currentLocation != null) {
            locationListener.onLocationChanged(currentLocation);
        }

        setHasOptionsMenu(true);
    }

    @Override
    public void onStop() {
        super.onStop();
        locationClient.disconnect();

        if (locationClient.isConnected()) {
            locationClient.removeLocationUpdates(locationListener);
        }
    }

    GooglePlayServicesClient.ConnectionCallbacks locationConnectionCallbacks = new GooglePlayServicesClient.ConnectionCallbacks() {
        @Override
        public void onConnected(Bundle bundle) {
            Log.d(TAG, "Location Callback. onConnected");
            currentLocation = locationClient.getLastLocation();

            LatLng point = new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude());
            map.moveCamera(CameraUpdateFactory.newLatLngZoom(point, 15.8f));

            // Create the LocationRequest object
            locationRequest = LocationRequest.create();

            // Use high accuracy
            locationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);

            // Set the update interval to 5 seconds
            locationRequest.setInterval(UPDATE_INTERVAL);

            // Set the fastest update interval to 1 second
            locationRequest.setFastestInterval(FASTEST_INTERVAL);

            locationClient.requestLocationUpdates(locationRequest, locationListener);
        }

        @Override
        public void onDisconnected() {
            Log.d(TAG, "Location Callback. onDisconnected");
        }
    };

    GooglePlayServicesClient.OnConnectionFailedListener locationConnectionFailed = new GooglePlayServicesClient.OnConnectionFailedListener() {
        @Override
        public void onConnectionFailed(ConnectionResult connectionResult) {
            Log.d(TAG, "Location Callback. onConnectionFailed");
        }
    };

    LocationListener locationListener = new LocationListener() {
        @Override
        public void onLocationChanged(Location location) {
            Log.d(TAG, "onLocationChanged");

            currentLocation = location;
        }
    };
}