image_asset.dart

class _MyHomePageState extends State<MyHomePage> {
  final String myImageUrl =
      "https://images.unsplash.com/photo-1485841890310-6a055c88698a?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1350&q=80"; // <- defines the url path of our image

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      body: Container(
        child: Center(
          child: Image.asset('images/building.jpeg'),  // <- we use the Image.asset to retrieve the asset
        ),
      ),
    );
  }
}