据文本替换成图片 (表情图片)

/**
  * 根据文本替换成图片   
  * @param text
  * @return
  */
 public CharSequence strToSmiley(CharSequence text) {   
   SpannableStringBuilder builder = new SpannableStringBuilder(text);   
   Pattern mPattern = Pattern.compile("( \\[[0-9]{1,3}\\])");    Matcher matcher = mPattern.matcher(text);       String s="";    int resId=0;    while (matcher.find()) {        for (int j = 0; j <FaceTool.facelist.size(); j++) {     s=FaceTool.facelist.get(j).get(matcher.group())+"";     if(!s.equalsIgnoreCase("null"))      resId=Integer.parseInt(s);          }        Drawable drawable = this.getResources().getDrawable(resId);           drawable.setBounds(0, 0, 25, 25);//这里设置图片的大小           ImageSpan imageSpan = new ImageSpan(drawable, ImageSpan.ALIGN_BOTTOM);           builder.setSpan(imageSpan, matcher.start(),                   matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);      }      return builder;     }