Flutter Container – Width

Flutter Container Width

To set specific width for Container widget in Flutter, set width property of the Container with the required double value.

Syntax

Container (
  width: 200,
),

Example

Flutter Application with a Container widget.

The width of this Container widget is set to 200.

main.dart

import 'package:flutter/material.dart';

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

/// main application widget
class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Application';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const MyStatefulWidget(),
      ),
    );
  }
}

/// stateful widget that the main application instantiates
class MyStatefulWidget extends StatefulWidget {
  const MyStatefulWidget({Key? key}) : super(key: key);

  @override
  State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}

/// private State class that goes with MyStatefulWidget
class _MyStatefulWidgetState extends State<MyStatefulWidget> {
  @override
  Widget build(BuildContext context) {
    return Center(
      child: Container(
        width: 200,
        height: 100,
        color: Colors.blue,
      ),
    );
  }
}

Screenshot

Desclaimer: We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Google, Apple or Flutter, or any of its subsidiaries or its affiliates. The names Google, Apple and Flutter as well as related names, marks, emblems and images are registered trademarks of their respective owners. This site googleflutter.com covers tutorials related to Flutter developed by Google.