public void invalidate(final Collection<String> geocodes) {
        if (storedOverlay != null) {
            storedOverlay.invalidate(geocodes);
        }
        if (liveOverlay != null) {
            liveOverlay.invalidate(geocodes);
        }
        if (wpOverlay != null) {
            wpOverlay.invalidateWaypoints(geocodes);
        }
        if (baseOverlay != null) {
            baseOverlay.invalidate(geocodes);
        }
    }
Enables the stored cache layer. No disabling again!

@param mapOptions isStoreEnabled true - enable stored layer, false - leave untouched
main/src/main/java/cgeo/geocaching/maps/mapsforge/v6/caches/CachesBundle.java