Frosted Container.dart

import 'dart:ui';
import 'package:flutter/material.dart';

class FrostedContainer extends StatelessWidget {
  final Color color;
  final double blur;
  final Widget child;
  final double width;
  final double height;
  final double radius;

  FrostedContainer({
    this.child,
    this.width,
    this.height,
    this.blur = 0,
    this.radius = 0,
    this.color = Colors.black,
  });

  @override
  Widget build(BuildContext context) {
    return ClipRect(
      child: BackdropFilter(
        filter: ImageFilter.blur(sigmaX: blur, sigmaY: blur),
        child: Container(
          width: width,
          height: height,
          child: child,
          decoration: BoxDecoration(
            color: color,
            borderRadius: BorderRadius.circular(radius),
          ),
        ),
      ),
    );
  }
}