Android字符高亮显示

整理旧笔记

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String str = "adsjoiasdjpaisdjpaidj";
SpannableStringBuilder style = new SpannableStringBuilder(str);
style.setSpan(
        new ForegroundColorSpan(Color.RED), 
        3, 
        8, 
        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
);
TextView.setText(style);