decoration images in flutter code example

Example: flutter decoration image

Container(
  width: 190.0,
  height: 190.0,
  decoration: new BoxDecoration(
  shape: BoxShape.circle,
  image: new DecorationImage(
  fit: BoxFit.fill,
  image: new NetworkImage(
  "https://i.imgur.com/BoN9kdC.png"))))