Full App Example

[cengizatilla]

import 'package:flutter/material.dart';
import 'package:grouped_list/grouped_list.dart';

void main() {
runApp(const MyApp());
}

List _elements = [
{'name': 'Cengiz ATİLLA', 'group': 'Team A'},
{'name': 'Celal İÇELLİ', 'group': 'Team B'},
{'name': 'Bünyamin', 'group': 'Team A'},
{'name': 'Tahsin', 'group': 'Team B'},
{'name': 'Osman', 'group': 'Team C'},
{'name': 'Mahmut', 'group': 'Team C'},

];

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

@OverRide
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}

class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;

@OverRide
State createState() => _MyHomePageState();
}

class _MyHomePageState extends State {

@OverRide
Widget build(BuildContext context) {

return Scaffold(
  appBar: AppBar(
    
    title: Text(widget.title),
  ),
  body: GroupedListView<dynamic, String>(
elements: _elements,
groupBy: (element) => element['group'],
groupSeparatorBuilder: (String groupByValue) => Padding(
  padding: const EdgeInsets.all(8.0),
  child: Text(groupByValue,textAlign: TextAlign.center,style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold)),
),
itemBuilder: (context, dynamic element) => Card(
  elevation: 8.0,
  margin: const EdgeInsets.symmetric(horizontal: 10.0, vertical: 6.0),
  child:  Container(
    child: ListTile(
      contentPadding:
                  EdgeInsets.symmetric(horizontal: 20.0, vertical: 10.0),
              leading: Icon(Icons.account_circle),
              title: Text(element['name']),
              trailing: Icon(Icons.arrow_forward),
    ),
  ),
  ),
itemComparator: (item1, item2) => item1['name'].compareTo(item2['name']), // optional
useStickyGroupSeparators: true, // optional
floatingHeader: true, // optional
order: GroupedListOrder.ASC, // optional

),

);

}
}