Updated grayed_out

grayed_out.dart

import 'package:flutter/material.dart';

class GrayedOut extends StatelessWidget {
  final Widget child;
  final bool grayedOut;
  final double opacity;

  GrayedOut({@required this.child, this.grayedOut = true})
      : opacity = grayedOut == true ? 0.3 : 1.0;

  @override
  Widget build(BuildContext context) {
    return AbsorbPointer(
        absorbing: grayedOut, child: Opacity(opacity: opacity, child: child));
  }
}