Marker animation utility - bouncing a marker

private void animateMarker(final Marker marker) {
	final Handler handler = new Handler();

	final long startTime = SystemClock.uptimeMillis();
	final long duration = 300; // ms

	Projection proj = mMap.getProjection();
	final LatLng markerLatLng = marker.getPosition();
	Point startPoint = proj.toScreenLocation(markerLatLng);
	startPoint.offset(0, -10);
	final LatLng startLatLng = proj.fromScreenLocation(startPoint);

	final Interpolator interpolator = new BounceInterpolator();

	handler.post(new Runnable() {
		@Override
		public void run() {
			long elapsed = SystemClock.uptimeMillis() - startTime;
			float t = interpolator.getInterpolation((float) elapsed / duration);
			double lng = t * markerLatLng.longitude + (1 - t) * startLatLng.longitude;
			double lat = t * markerLatLng.latitude + (1 - t) * startLatLng.latitude;
			marker.setPosition(new LatLng(lat, lng));

			if (t < 1.0) {
				// Post again 16ms later (60fps)
				handler.postDelayed(this, 16);
			}
		}
	});
}