if (point.getLatitude() == -1 && point.getLongitude() == -1) {
return null;
}
final Marker marker = new Marker(point);
marker.addMarkerClickListener(new MarkerClickListener() {
public void onClick(Marker sender) {
InfoWindow info = map.getInfoWindow();
info.open(sender, new InfoWindowContent(new SchoolLink(
school)));
}