gistfile1.java

private void init() {
    mClusteringSettings = new ClusteringSettings();
    mClusteringSettings.addMarkersDynamically(true);
    mClusteringSettings.clusterOptionsProvider(new DemoClusterOptionsProvider(getResources()));
    mClusteringSettings.clusterSize(144);
    mGoogleMap.setClustering(mClusteringSettings);
}

private void addMarkers(List<Place> places) {
 for (Place place : places) {
     addMarker(place);
 }
}

private Marker addMarker(Place place) {
 Marker marker = mGoogleMap.addMarker(getMarkersOptionsForPlace(place));
 marker.setData(place);
 return marker;
}

private MarkerOptions getMarkersOptionsForPlace(Place place) {
 MarkerOptions options = new MarkerOptions();
 Context context = getActivity();
 int resourceId = context.getResources().getIdentifier(place.getCategory().getMarkerIcon(), "drawable", context.getPackageName());
 MarkerOptions opts = options.title(place.getTitle()).position(place.getGooglePoint());
 if (resourceId != 0) {
     opts.icon(BitmapDescriptorFactory.fromResource(resourceId));
 }
 return opts;
}