hash-wallet/lib/src/widgets/alert_background.dart

import 'dart:ui';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:cake_wallet/palette.dart';

class AlertBackground extends StatelessWidget {
  AlertBackground({@required this.child});

  final Widget child;

  @override
  Widget build(BuildContext context) {
    return Container(
      height: double.infinity,
      width: double.infinity,
      color: Colors.transparent,
      child: BackdropFilter(
        filter: ImageFilter.blur(sigmaX: 3.0, sigmaY: 3.0),
        child: Container(
          decoration: BoxDecoration(color: PaletteDark.darkNightBlue.withOpacity(0.75)),
          child: child,
        ),
      ),
    );
  }
}