private static InputFilter emojiFilter = new InputFilter() {


        Pattern emoji = Pattern.compile(


        "[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]",


        Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);


        @Override
        public CharSequence filter(CharSequence source, int start, int end, Spanned dest,
                int dstart,


                int dend) {


            Matcher emojiMatcher = emoji.matcher(source);


            if (emojiMatcher.find()) {


                return "";


            }
            return null;


        }
    };


    public static InputFilter[] emojiFilters = {emojiFilter};
    editText.setFilters(emojiFilters);\

 /** * 检测是否有emoji表情 * @param source * @return */
    public static boolean containsEmoji(String source) {                          //两种方法限制emoji
        int len = source.length();
        for (int i = 0; i < len; i++) {
            char codePoint = source.charAt(i);
            if (!isEmojiCharacter(codePoint)) { //如果不能匹配,则该字符是Emoji表情 
                return true;
            }
        }
        return false;
    }


    /** * 判断是否是Emoji * @param codePoint 比较的单个字符 * @return */
    private static boolean isEmojiCharacter(char codePoint) {
        return (codePoint == 0x0) || (codePoint == 0x9) || (codePoint == 0xA) || (codePoint == 0xD)
                || ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
                || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
                || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF));
    }