code: @BindingAdapter("bind:tv_html")
      public static void setCustomHtml(TypefaceTextView textView, Boolean isHtml) {
          isHtml = isHtml != null ? isHtml : false;
          textView.mHtmlEnabled = isHtml;
          textView.setText(textView.getText());
      }
docs: Data-binding method for custom attribute bind:tv_html to be set
  @param textView The instance of the object to set value on
  @param isHtml True if html text, false otherwise