@NonNull
    public static LogType getByIconName(final String imageType) {
        // Special case for post reviewer note, which appears sometimes as
        // 18.png (in individual entries) or as 68.png
        // (in logs counts).
        if ("68".equals(imageType)) {
            return POST_REVIEWER_NOTE;
        }
        final LogType result = imageType != null ? FIND_BY_ICONNAME.get(imageType.toLowerCase(Locale.US).trim()) : null;
        if (result == null) {
            return UNKNOWN;
        }
        return result;
    }
Drawable ID for a small overlay image for this log type.
main/src/main/java/cgeo/geocaching/log/LogType.java