change theme color flutter code example
Example: how to change background color in flutter theme
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
canvasColor: Colors.green,
),
home: Scaffold(
appBar: AppBar(
title: Text('Changing background color using theme'),
),
body: Container(
child: Center(
child: Text('Some widget goes here.')
)
),
),
);
}
}