public static void setTrackableComparator(final TrackableComparator trackableSortMethod) {
        putString(R.string.pref_trackable_inventory_sort, trackableSortMethod.name());
    }
Set Trackable inventory sort method.

@param trackableSortMethod The Trackable Sort Method to remember
main/src/main/java/cgeo/geocaching/settings/Settings.java