vertical_scrollable_tabview 0.0.4

A Flutter widget which syncronize a ScrollView and a custom tab view.

example/lib/main.dart

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

import 'category_section.dart';
import 'example_data.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        title: 'Vertical Scrollable TabView Demo',
        theme: ThemeData(
          primarySwatch: Colors.purple,
        ),
        home: MyHomePage(title: 'Vertical Scrollable TabView Plugin'));
  }
}

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

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage>
    with SingleTickerProviderStateMixin {
  final List<Category> data = ExampleData.data;
  // TabController More Information => https://api.flutter.dev/flutter/material/TabController-class.html
  late TabController tabController;

  @override
  void initState() {
    tabController = TabController(length: data.length, vsync: this);
    super.initState();
  }

  @override
  void dispose() {
    tabController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBar(
        title: Text(widget.title),
        bottom: TabBar(
          isScrollable: true,
          controller: tabController,
          indicatorPadding: EdgeInsets.symmetric(horizontal: 16.0),
          indicatorColor: Colors.cyan,
          labelColor: Colors.cyan,
          unselectedLabelColor: Colors.white,
          indicatorWeight: 3.0,
          tabs: data.map((e) {
            return Tab(text: e.title);
          }).toList(),
          onTap: (index) {
            VerticalScrollableTabBarStatus.setIndex(index);
          },
        ),
      ),
      body: VerticalScrollableTabView(
          tabController: tabController,
          listItemData: data,
          verticalScrollPosition: VerticalScrollPosition.middle,
          //Change this to your preferred scroll direction
          scrollDirection: Axis.vertical,
          eachItemChild: (object, index) =>
              CategorySection(category: object as Category)),
    );
  }
}