Banner

sample.packages.flutter.lib.src.material.banner.58.

Banners placed directly into the widget tree are static.

  
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 Code Sample';

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: _title,
      home: MyStatelessWidget(),
    );
  }
}

class MyStatelessWidget extends StatelessWidget {
  const MyStatelessWidget({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('The MaterialBanner is below'),
      ),
      body: const MaterialBanner(
        padding: EdgeInsets.all(20),
        content: Text('Hello, I am a Material Banner'),
        leading: Icon(Icons.agriculture_outlined),
        backgroundColor: Color(0xFFE0E0E0),
        actions: [
          TextButton(
            onPressed: null,
            child: Text('OPEN'),
          ),
          TextButton(
            onPressed: null,
            child: Text('DISMISS'),
          ),
        ],
      ),
    );
  }
}