http://stackoverflow.com/questions/4646584/how-to-get-lat-and-long-on-touch-event-from-goole-map
public
boolean
onTouchEvent(MotionEvent event)
{
int
X = (
)event.getX();
Y = (
)event.getY();
GeoPoint geoPoint = mapView.getProjection().fromPixels(X, Y);
}