SpannableString对象有问题。下面是一个简短的例子:SpannableStringspanstr=newSpannableString("Boldplease!");spanstr.setSpan(newStyleSpan(Typeface.BOLD),0,spanstr.length(),0);SpannableStringBuildersb=newSpannableStringBuilder();sb.append(spanstr);sb.append("\n");//Anewlinesb.append("Thefirstlineisbold.Thisoneisn't.