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On “Animating markers on Google Maps v2”
Some Google engineers have provided a nice demo video with some elegant sample code about how to animate markers from a starting point to an ending point, for all various versions of Android:
The relevant code is here:
https://gist.github.com/broady/6314689
And a nice demo video of all of it in action.
link to this video
OLD DEPRECATED ANSWER BELOW
In the documentation, it is mentioned that Marker Icons cannot be changed:
Icon
A bitmap that's displayed for the marker. If the icon is left unset, a default icon is displayed. You can specify an alternative coloring of the default icon using defaultMarker(float). You can't change the icon once you've created the marker.
Google Maps API…