Android 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);
}
}