public static void setMapZoom(final MapMode mapMode, final int zoomLevel) {
        if (mapMode == MapMode.SINGLE || mapMode == MapMode.COORDS) {
            setCacheZoom(zoomLevel);
        } else {
            setMapZoom(zoomLevel);
        }
    }
Get last used zoom of the internal map. Differentiate between two use cases for a map of multiple caches (e.g.
live map) and the map of a single cache (which is often zoomed in more deep).
main/src/main/java/cgeo/geocaching/settings/Settings.java