public static Emoji getByUnicode(String unicode) {
    if (unicode == null) {
      return null;
    }
    return EMOJI_TRIE.getEmoji(unicode);
  }
Returns the {@link com.vdurmont.emoji.Emoji} for a given unicode.

@param unicode the the unicode

@return the associated {@link com.vdurmont.emoji.Emoji}, null if the
unicode is unknown
src/main/java/com/vdurmont/emoji/EmojiManager.java