How to add a background image to a page in Flutter

In this Google flutter code example we are going to learn how to add a background image to a page in Flutter.

The code is based on flutter version 1.0.0

Main.dart (App entry point)

import 'package:flutter/material.dart';
import 'background_image_task-9.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        // This is the theme of your application.
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
      //home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: BackgroundImage(),


import 'package:flutter/material.dart';

class BackgroundImage extends StatelessWidget {
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;
    return Scaffold(
      appBar: AppBar(
        centerTitle: true,
        title: Text('Background Image Example'),
      body: Stack(
        children: <Widget>[
            child: new Image.asset(
              width: size.width,
              height: size.height,
              fit: BoxFit.fill,
            child: Text("This is a Text",
                style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 28.0,
                    color: Colors.white)),

Add Flutter background image

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