aku_new_community/lib/widget/painter/tab_indicator_parinter.dart

import 'package:flutter/material.dart';

import 'package:aku_new_community/base/base_style.dart';

class TabIndicatorPainter extends CustomPainter {
  @override
  void paint(Canvas canvas, Size size) {
    Paint paint = Paint()
      ..color = kPrimaryColor
      ..strokeCap = StrokeCap.round
      ..strokeWidth = 2
      ..style = PaintingStyle.stroke;
    Path path = Path();
    path.moveTo(0, 0);
    path.quadraticBezierTo(size.width / 2, size.height, size.width, 0);
    canvas.drawPath(path, paint);
  }

  @override
  bool shouldRebuildSemantics(covariant CustomPainter oldDelegate) {
    return false;
  }

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