Flutter – Container Widget
Flutter Container widget center aligns its child widget within itself, along vertical and horizontal axes.
Code Snippet
The following is a simple code snippet to create a Container widget with a child.
Container( child: someWidget, )
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Example
In the following example, we create a Flutter Application with a Container widget. The Container widget has following properties set.
height
is set to 150.width
is set to 200.color
is set to green.alignment
is set to center.child
is set to a Text widget.
main.dart
import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); static const String _title = 'Flutter Tutorial'; @override Widget build(BuildContext context) { return MaterialApp( title: _title, home: Scaffold( appBar: AppBar(title: const Text(_title)), body: const MyStatefulWidget(), ), ); } } class MyStatefulWidget extends StatefulWidget { const MyStatefulWidget({Key? key}) : super(key: key); @override State<MyStatefulWidget> createState() => _MyStatefulWidgetState(); } class _MyStatefulWidgetState extends State<MyStatefulWidget> { @override Widget build(BuildContext context) { return Center( child: Column( children: <Widget>[ const SizedBox(height: 10,), Container( height: 150, width: 200, color: Colors.green, alignment: Alignment.center, child: const Text('Container'), ), ], ), ); } }
Screenshot – iPhone Simulator

Screenshot – Android Emulator

Container Widget Tutorials
The following tutorials deal with specific properties or functionalities of a Container widget.
Conclusion
In this Flutter Tutorial, we learned what Container widget is, and how to use it in our Flutter application, with examples.