html tag handler when to show bulleted points in textview

HTMLTagHandler

public class HtmlTagHandler implements Html.TagHandler {
    String parent = null;
    boolean first = true;
    int index = 1;
    private int mListItemCount = 0;
    private Vector<String> mListParents = new Vector<String>();

    @Override
    public void handleTag(final boolean opening, final String tag, Editable output, final XMLReader xmlReader) {
        if (tag.equals(Util.UL) || tag.equals(Util.OL) || tag.equals("dd")) {
            if (opening) {
                mListParents.add(tag);
            } else mListParents.remove(tag);

            mListItemCount = 0;
        } else if (tag.equals(Util.LI) && !opening) {
            handleListTag(output);
        } else if (tag.equalsIgnoreCase("code")) {
            if (opening) {
                output.setSpan(new TypefaceSpan("monospace"), output.length(), output.length(), Spannable.SPAN_MARK_MARK);
            } else {
                Log.d("COde Tag", "Code tag encountered");
                Object obj = getLast(output, TypefaceSpan.class);
                int where = output.getSpanStart(obj);

                output.setSpan(new TypefaceSpan("monospace"), where, output.length(), 0);
            }
        }


//       if (tag.equals(Util.OL)) parent = "ol";
//        if (tag.equals(Util.LI)) {
//            if (parent.equals("ul")) {
//                if (first) {
//                    output.append("\n\t•");
//                    first = false;
//                } else {
//                    first = true;
//                }
//            } else {
//                if (first) {
//                    output.append("\n\t" + index + ". ");
//                    first = false;
//                    index++;
//                } else {
//                    first = true;
//                }
//            }
//        }
//

    }

    private Object getLast(Editable text, Class kind) {
        Object[] objs = text.getSpans(0, text.length(), kind);
        if (objs.length == 0) {
            return null;
        } else {
            for (int i = objs.length; i > 0; i--) {
                if (text.getSpanFlags(objs[i - 1]) == Spannable.SPAN_MARK_MARK) {
                    return objs[i - 1];
                }
            }
            return null;
        }
    }

    private void handleListTag(Editable output) {
        if (mListParents.lastElement().equals(Util.UL)) {
            output.append("\n");
            String[] split = output.toString().split("\n");

            int lastIndex = split.length - 1;

            int start = output.length() - split[lastIndex].length() - 1;
            output.setSpan(new BulletSpan(15 * mListParents.size()), start, output.length(), 0);
        } else if (mListParents.lastElement().equals(Util.OL)) {
            mListItemCount++;

            output.append("\n");
            String[] split = output.toString().split("\n");

            int lastIndex = split.length - 1;
            int start = output.length() - split[lastIndex].length() - 1;
            output.insert(start, mListItemCount + ". ");

            output.setSpan(new LeadingMarginSpan.Standard(15 * 2), start, output.length(), 0);
        } else if (mListParents.lastElement().equals(Util.PR)) {
            mListItemCount++;

            output.append("\n");
            String[] split = output.toString().split("\n");

            int lastIndex = split.length - 1;
            int start = output.length() - split[lastIndex].length() - 1;
            output.setSpan(new LeadingMarginSpan.Standard(15 * 2), start, output.length(), 0);
        }
    }
}


******************************************* HOW TO USE ******************************************************

String info = getHtmlText(infoArray);


                String html = Util.customizeListTags(info);
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                    tvInfo.setText(Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY, null, new HtmlTagHandler()));
                } else {

                    //noinspection deprecation
                    tvInfo.setText(Html.fromHtml(html, null, new HtmlTagHandler()));

                }



******************************************************* USEFUL *******************************************

 public String getHtmlText(String[] s) {
        StringBuilder ulStart = new StringBuilder("<ul>");

        for (String value : s) {
            ulStart.append("<li>").append(value).append("</li>");
        }

        ulStart.append("</ul>");
        return ulStart.toString();
    }


    public static String customizeListTags(@Nullable String html) {
        if (html == null) {
            return null;
        }
        html = html.replace("<ul", "<" + UL);
        html = html.replace("</ul>", "</" + UL + ">");
        html = html.replace("<ol", "<" + OL);
        html = html.replace("</ol>", "</" + OL + ">");
//        html = html.replace("<dd", "<" + DD);
//        html = html.replace("</dd>", "</" + DD + ">");
        html = html.replace("<li", "<" + LI);
        html = html.replace("</li>", "</" + LI + ">");
        return html;
    }