I have a cluster marker that defines a bounding rectangle containing a group of markers. The cluster has a center (lat,lon), a marker count and a latitude and longitude span to
I didn't tried this but maybe it will work for you. Imagine you have a rectangle (x1,y1)-(x2,y2)
MapController c = mapView.getController(); c.setCenter(new GeoPoint((x1+x2)/2,(y1+y2)/2)); c.zoomToSpan(x2, y2);