
Tutorial and code of Tree View in Flutter. Copy and paste the below code as per your requirements.
flutter_tree: ^1.1.0
import 'package:flutter/material.dart';
import 'package:flutter_tree/flutter_tree.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Tree',
debugShowCheckedModeBanner: false,
home: Scaffold(
appBar: AppBar(title: const Center(child: Text('Flutter Tree'))),
body: const TreeNode(
title: Text('This is content!'),
children: [
TreeNode(
title: Text('This is content!'),
children: <Widget>[
TreeNode(title: Text('This is content!')),
TreeNode(
title: Text('This is title!'),
children: <Widget>[
TreeNode(title: Text('This is content!')),
TreeNode(title: Text('This is content!')),
TreeNode(title: Text('This is content!')),
],
),
TreeNode(title: Text('This is content!')),
TreeNode(title: Text('This is content!')),
TreeNode(
title: Text('This is content!'),
children: <Widget>[
TreeNode(title: Text('This is content!')),
TreeNode(title: Text('This is content!')),
TreeNode(title: Text('This is content!')),
],
),
],
),
],
),
),
);
}
}