public void setTrackables(final Collection<Trackable> inventory) {
            this.clear();
            this.addAll(inventory);
            resortTrackables(Settings.getTrackableComparator());
        }
Checks whether there are favorite points available and sets the corresponding visibility of
"add to favorite" checkbox.
main/src/main/java/cgeo/geocaching/log/LogCacheActivity.java