关于SpannableString的一些用法

因为项目中有用到SpannableString,所以稍微写了一下，有参考http://blog.csdn.net/lanxingfeifei/article/details/50523555，
如果需要详尽的可以去链接博客里看看

/** * 分别有 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE(前后都不包括)、 * Spanned.SPAN_INCLUSIVE_EXCLUSIVE(前面包括，后面不包括)、替换 * Spanned.SPAN_EXCLUSIVE_INCLUSIVE(前面不包括，后面包括)、 * Spanned.SPAN_INCLUSIVE_INCLUSIVE(前后都包括) */private void initSpanBuilder() {    SpannableString spn = new SpannableString("颜色大小斜体删除下划超文本链接图片");    spn.setSpan(new ForegroundColorSpan(ContextCompat.getColor(this, R.color.colorAccent)), 0, 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    //大小    spn.setSpan(new AbsoluteSizeSpan(20, true), 2, 3, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);//true,用的是dp，不用的话就填一个数字eg:0.5f,这个表示是原字体的0.5倍    spn.setSpan(new AbsoluteSizeSpan(12, true), 3, 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);//true,用的是dp    //斜体    spn.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 4, 6, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    //删除    spn.setSpan(new StrikethroughSpan(), 6, 8, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    //下划线    spn.setSpan(new UnderlineSpan(), 8, 10, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    /**     *超文本链接     **/    //电话    spn.setSpan(new URLSpan("tel:[phone]"), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    // //邮件    // spn.setSpan(new URLSpan("mailto:[e-mail]"), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    // //网址    // spn.setSpan(new URLSpan("http://www.baidu.com"), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    //  //短信    //  spn.setSpan(new URLSpan("sms:123456789"), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    //  //彩信    //  spn.setSpan(new URLSpan("mms:123456789"), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    //地图    //// spn.setSpan(new URLSpan("geo:38.899533,-77.036476"), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);    
//超链接的样式ColorStateList lsc=null;XmlResourceParser xrp = getResources().getXml(R.drawable.csl);try {    lsc=ColorStateList.createFromXml(getResources(),xrp);} catch (XmlPullParserException e) {    e.printStackTrace();} catch (IOException e) {    e.printStackTrace();}spn.setSpan(new TextAppearanceSpan("monospace",android.graphics.Typeface.BOLD_ITALIC,30,lsc,lsc),10,15,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);//图片Drawable drawable = ContextCompat.getDrawable(this, R.mipmap.ic_launcher);drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());ImageSpan igspn = new ImageSpan(drawable, ImageSpan.ALIGN_BASELINE);spn.setSpan(igspn, 15, 17, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);/** * 混合使用 */SpannableString spanText = new SpannableString("sixsix6666666");     int length = spanText.length();         //模糊(BlurMaskFilter)         MaskFilterSpan maskFilterSpan = new MaskFilterSpan(new BlurMaskFilter(3, BlurMaskFilter.Blur.OUTER));         spanText.setSpan(maskFilterSpan, 0, length -1, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);         //浮雕(EmbossMaskFilter)         maskFilterSpan = new MaskFilterSpan(new EmbossMaskFilter(new float[]{1,1,3}, 1.5f, 8, 3));         spanText.setSpan(maskFilterSpan, length -1, length, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);SpannableStringBuilder stringBuilder=new SpannableStringBuilder("光栅栏效果");stringBuilder.append(spanText);stringBuilder.append(spn);stringBuilder.append("拼");stringBuilder.append("接");//spn.setSpan(stringBuilder,17,19,Spanned.SPAN_INCLUSIVE_EXCLUSIVE);binding.tvText.setText(stringBuilder);//用于超文本链接（没有链接就不用写了）binding.tvText.setMovementMethod(LinkMovementMethod.getInstance());
}