使一段字符串显示不同的颜色

一种：字体颜色改变

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???? String appname= info.appname;???//字符串内容
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??????? int start = appname.indexOf(mKeywordname);?//mKeywordname需要改变颜色的字符串

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??????? ColorStateList redColors = ColorStateList.valueOf(0xFF960c0c);//0xFF960c0c颜色值
??????? SpannableStringBuilder spanBuilder =new SpannableStringBuilder(appname);
??????? spanBuilder.setSpan(new TextAppearanceSpan(null, 0, 0, redColors, null), start, start +mKeywordname.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);??
???????searchAppItem.mSearchAppListAppNameTextView.setText(spanBuilder);?

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??二种：字体背景改变???

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??? SpannableStringBuilder style = new SpannableStringBuilder(appname);??
????? style.setSpan(new BackgroundColorSpan(Color.RED), start, start +mKeywordname.length(),Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);??????????
??????? searchAppItem.mSearchAppListAppNameTextView.setText(spanBuilder);