android 搜索自动匹配关键字并设置器颜色

SpannableString s = new SpannableString(item.getString);
LogUtil.E("keyword:"+keyWord);
Pattern p = Pattern.compile(keyWord);
Matcher m = p.matcher(s);
while (m.find()) {
int start = m.start();
int end = m.end();
s.setSpan(new ForegroundColorSpan(mContext.getResources().getColor(R.color.c_3da3ff)), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}