z_grouped_list 1.0.0

A custom list that separates data into groups with specific index.

example/lib/main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const HomePage(),
    );
  }
}

class HomePage extends StatefulWidget {
  const HomePage({super.key,});

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {

  final List<Map<String, dynamic>> books =[
    {"name": "Atomic Habits" , "year": 2018},
    {"name": "Jurassic Park" , "year": 1990},
  ];


  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: const Text("Grouped List"),
      ),


      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [

          /*
          ZGroupedList.grid(
          shrinkWrap: true,
          crossAxisCount: 3,
          items: books,
          sortBy: (item){
            int year = item('year');
            return year;
          },
          itemBuilder: (context, item){
            String? name = item['name'];
            return Text(name ?? "empty");
          },
          groupSeparatorBuilder: (year) {
            return Text(year.toString(),);
          },

          gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
              maxCrossAxisExtent: 80,
              childAspectRatio: 5 / 9,
              crossAxisSpacing: 25,
              mainAxisSpacing: 15),
          )
          */

          ],
        ),
      ),

    );
  }
}