Blur the Flutter Container with decoration as image

blur_single_image.dart

/* Copyright (c) 2019 - Bui Minh Triet - x3cafe@gmail.com - http://fluttervn.com */
double _sigmaX = 0.0; // from 0-10
double _sigmaY = 0.0; // from 0-10
double _opacity = 0.1; // from 0-1.0

Container(
  width: 350,
  height: 300,
  decoration: BoxDecoration(
    image: DecorationImage(
      image: AssetImage('assets/images/background.jpg'),
      fit: BoxFit.cover,
    ),
  ),
  child: BackdropFilter(
    filter: ImageFilter.blur(sigmaX: _sigmaX, sigmaY: _sigmaY),
    child: Container(
      color: Colors.black.withOpacity(_opacity),
    ),
  ),
);