How To Use Image Stack Widget Using Flutter Android App

import 'package:flutter/material.dart';

void main(){
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage()
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
          backgroundColor: Colors.blue[900],
          title: Text("Stack Widget",
            style: TextStyle(color:Colors.white
            ),)),
      body: Stack(
        children: <Widget>[
          new Image.asset(
            'assets/images/img.jpg',
            height: double.infinity,
            width: double.infinity,
            fit: BoxFit.fill,
          ),
          Positioned(
            bottom: 15.0,
            left: 20.0,
            child: Text("Bajarangisoft.com",
                style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 28.0,
                    color: Colors.white)),
          ),
        ],
      ),
    );
  }
}