@Override
        public boolean onDoubleTap(final MotionEvent e) {
            // no need to move to new location, google maps will do it for us
            if (onDragListener != null) {
                onDragListener.onDrag();
            }
            return false;
        }
can be made static if nonstatic inner clases could have static methods
main/src/main/java/cgeo/geocaching/maps/google/v2/GoogleMapView.java