public void showHintToast(@NonNull final Activity activity) {
        final String hint = getHint();
        ActivityMixin.showToast(activity, StringUtils.defaultIfBlank(hint, activity.getString(R.string.cache_hint_not_available)));
    }
Show the hint as toast message. If no hint is available, a default "no hint available" will be shown instead.
main/src/main/java/cgeo/geocaching/models/Geocache.java