/**
     * UNICODE
     * <p>
     * 偶爾吃（1～2次/周)   （   中文破弧
     * 經常吃(3～5次/周)    (    英文破弧
     *
     * @param name
     * @return
     */
    private Spannable formatName(String name) {
        if (name.contains(STRING_TYPE_CN)) {
            return changeStringStyle(STRING_TYPE_CN, name, "\\（");
        } 
 
else if (name.contains(STRING_TYPE_EN)) {
            return changeStringStyle(STRING_TYPE_EN, name, "\\(");
        } else {
            return new SpannableString(name);
        }
    }

    private Spannable changeStringStyle(String type, String name, String splitRegex) {
        StringBuilder skr 
 
= new StringBuilder();
        String[] split = name.split(splitRegex);
        if (split.length == 2) {
            //改變字型大小、顏色、加換行
            split[1] = type + split[1];
            skr.append(split[0]).append("\r\n").append(split[1]);
            Spannable span = new SpannableString(skr.toString());
            
 
//設定字型大小（絕對值,單位：畫素）
            span.setSpan(new AbsoluteSizeSpan(this.mHintTextSize), split[0].length(), skr.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
            //設定字型顏色
            span.setSpan(new ForegroundColorSpan(this.mHintTextColor), split[0].length(), skr.length(), Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
            return span;
        }
        return new SpannableString(name);
    }

參考：http://hunankeda110.iteye.com/blog/1420470