Android textview设置不同的颜色和大小

Android textview设置不同的颜色和大小

<style name="approval_detail_info_style1">
<item name="android:textSize">@dimen/sp13</item>
<item name="android:textColor">#666666</item>
</style>

<style name="approval_detail_info_style2">
<item name="android:textSize">@dimen/sp14</item>
<item name="android:textColor">#333333</item>
</style>

SpannableString styledText = new SpannableString(string);
styledText.setSpan(new TextAppearanceSpan(context, style1), 0, target, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
styledText.setSpan(new TextAppearanceSpan(context, style2), target+1, string.length()-1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
return styledText;