CODE EXAMPLE FOR DART

flutter heart shape

class HeartWidget extends StatefulWidget {
    @override
    _HeartWidgetState createState() => _HeartWidgetState();
  }

  class _HeartWidgetState extends State<HeartWidget> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('Testing'),
        ),
        body: Center(
        child: CustomPaint(
            size: Size(70, 80),
            painter: HeartPainter(),
          ),
        ),
      );
    }
  }

  class HeartPainter extends CustomPainter {
    @override
    void paint(Canvas canvas, Size size) {
      // TODO: implement paint
      Paint paint = Paint();
      paint
        ..color = Colors.black
        ..style = PaintingStyle.stroke
        ..strokeCap = StrokeCap.round
        ..strokeWidth = 6;

      Paint paint1 = Paint();
      paint1
        ..color = Colors.red
        ..style = PaintingStyle.fill
        ..strokeWidth = 0;

      double width = size.width;
      double height = size.height;

      Path path = Path();
      path.moveTo(0.5 * width, height * 0.35);
      path.cubicTo(0.2 * width, height * 0.1, -0.25 * width, height * 0.6,
          0.5 * width, height);
      path.moveTo(0.5 * width, height * 0.35);
      path.cubicTo(0.8 * width, height * 0.1, 1.25 * width, height * 0.6,
          0.5 * width, height);

      canvas.drawPath(path, paint1);
      canvas.drawPath(path, paint);
    }

    @override
    bool shouldRepaint(CustomPainter oldDelegate) {
      return true;
    }
  }