how to show bullet in flutter code example

Example: add bullet points in text widget flutter

class DottedText extends Text {
  const DottedText(String data, {
    Key key,
    TextStyle style,
    TextAlign textAlign,
    TextDirection textDirection,
    Locale locale,
    bool softWrap,
    TextOverflow overflow,
    double textScaleFactor,
    int maxLines,
    String semanticsLabel,
  }) : super(
    '\u2022 $data',
    key: key,
    style: style,
    textAlign: textAlign,
    textDirection: textDirection,
    locale: locale,
    softWrap: softWrap,
    overflow: overflow,
    textScaleFactor: textScaleFactor,
    maxLines: maxLines,
    semanticsLabel: semanticsLabel,);
}