private void DisplayUserSelect() {

    if (UserAcountModel.getInstance().getDocument() == null) return;

    NodeList nodeList = UserAcountModel.getInstance().getDocument().getElementsByTagName("user");
    userSelect = new Button[nodeList.getLength()];
    for (int i = 0; i < nodeList.getLength(); i++) {
      Node node = nodeList.item(i);
      if (node.getNodeType() == Node.ELEMENT_NODE) {
        NamedNodeMap attributes = node.getAttributes();

        Button select = new Button(this);
        TextView text = new TextView(this);
        select.setTag(attributes.getNamedItem("id").getTextContent());
        text.setText(
            attributes.getNamedItem("firstname").getTextContent()
                + " "
                + attributes.getNamedItem("lastname").getTextContent()
                + ": "
                + attributes.getNamedItem("username").getTextContent());
        select.setText(attributes.getNamedItem("id").getTextContent());
        userSelect[i] = select;
        LinearLayout llSelectUser = (LinearLayout) findViewById(R.id.llSelectUsers);
        llSelectUser.addView(text);
        llSelectUser.addView(userSelect[i]);
        userSelect[i].setOnClickListener(handleOnClick(userSelect[i]));
      }
    }
  }
  public void deleteNode(final Button button) {
    String identifier = button.getText().toString();

    if (UserAcountModel.getInstance().getDocument() == null) return;

    NodeList nodeList = UserAcountModel.getInstance().getDocument().getElementsByTagName("user");
    userSelect = new Button[nodeList.getLength()];
    for (int i = 0; i < nodeList.getLength(); i++) {
      Node node = nodeList.item(i);
      if (node.getNodeType() == Node.ELEMENT_NODE) {
        NamedNodeMap attributes = node.getAttributes();
        String compare = attributes.getNamedItem("id").getTextContent();

        if (compare.equals(identifier)) {
          UserAcountModel.getInstance().getRoot().removeChild(node);
          UserAcountModel.getInstance().getDocument().normalize();
          UserAcountModel.getInstance().SaveAccounts();
          Intent intent = getIntent();
          finish();
          startActivity(intent);
        }
      }
    }
  }