Android Custom marker icon-ThrowExceptions

Exception or error:

I’m working on application with Google maps so i want to define a custom marker for each custom place, For example (gas station- Hotel- Hospital.. ) ! i have a overlays class with the latitude and longitude of many places and i want just how to give a custom icon!

How to solve:

With the new Maps Api Setting the Icon for a Marker is done with the following Code:

MarkerOptions markerOptions = new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.icon_location));

The icon can not be changed after a Marker was created. To change an icon remove the marker and readd it with a new image.


with the APi v2, you can do (markerObject).setIcon(BitmapDescriptor) to change/set the marker image.


OverlayItem.setMarker seems like the method you’re looking for.

Note that there is (or used to be) a gotcha you need to be aware of; you first need to use Drawable.setBounds to set the visible boundaries of the drawable before it can be rendered properly. Some fiddling might be needed to get it to centre; see this answer.


To change the color of the map icon:

mMap.addMarker(new MarkerOptions().position(baitulMosque).title("Baitul Mosque").icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_CYAN)));

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