Android(安卓)SpannableString使用例子

private void addUrlSpan() { SpannableString spanString = new SpannableString("超链接"); URLSpan span = new URLSpan("tel:0123456789"); spanString.setSpan(span, 0, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } private void addBackColorSpan() { SpannableString spanString = new SpannableString("文字背景颜色"); BackgroundColorSpan span = new BackgroundColorSpan(Color.YELLOW); spanString.setSpan(span, 0, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } private void addForeColorSpan() { SpannableString spanString = new SpannableString(" 文字前景颜色"); ForegroundColorSpan span = new ForegroundColorSpan(Color.BLUE); spanString.setSpan(span, 0, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } private void addFontSpan() { SpannableString spanString = new SpannableString("36号字体"); AbsoluteSizeSpan span = new AbsoluteSizeSpan(36); spanString.setSpan(span, 0, 5, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } private void addStyleSpan() { SpannableString spanString = new SpannableString("BIBI"); StyleSpan span = new StyleSpan(Typeface.BOLD_ITALIC);//加粗 spanString.setSpan(span, 0, 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } private void addStrikeSpan() { SpannableString spanString = new SpannableString("删除线"); StrikethroughSpan span = new StrikethroughSpan(); spanString.setSpan(span, 0, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } private void addUnderLineSpan() { SpannableString spanString = new SpannableString("下划线"); UnderlineSpan span = new UnderlineSpan(); spanString.setSpan(span, 0, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } //图片 private void addImageSpan() { SpannableString spanString = new SpannableString(" "); Drawable d = getResources().getDrawable(R.drawable.ic_launcher); d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight()); ImageSpan span = new ImageSpan(d, ImageSpan.ALIGN_BASELINE); spanString.setSpan(span, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.append(spanString); } }

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