float valueBetween0and360 = 222.222;
marker.setIcon(BitmapDescriptorFactory.defaultMarker(valueBetween0and360));

将更改标记图标的颜色.

will change marker icon color.

对于大小，您将必须提供自己的图标并使用

For size you will have to provide your own icons and use BitmapDescriptorFactory.fromResource.