update polyline according to the user moving android googleMaps v2

Question

I have googleMap (v2) with polyline that presents a route between the user current location and the destination point.
Now, I want to update the polyline according to th

Answer 1

The only way as of version 3.1.36:

List points = polyline.getPoints();
points.add(newPoint);
polyline.setPoints(points);

Hopefully the API will be enhanced in later versions.