addoval_example.dart

  @override
  void paint(Canvas canvas, Size size) {
    Paint paint = Paint()
      ..color = Colors.red
      ..style = PaintingStyle.stroke
      ..strokeWidth = 8.0;

    Path path = Path();
    // Adds an oval
    path.addOval(Rect.fromLTWH(size.width / 2, size.height / 2, size.width / 4, size.height / 4));
    canvas.drawPath(path, paint);
  }