TextView内容中给部分设置字体颜色或大小

String commentStr= "<font size=\"3\" color=\"white\">回复</font><font size=\"3\" color=\"#ff0000\">会飞的猪</font><font size=\"3\" color=\"white\">的评论：啪啪啪啪</font>";
topicCommentTxt.setText(Html.fromHtml(commentStr));