vertical_scrollable_tabview 0.1.1 vertical_scrollable_tabview: ^0.1.1 copied to clipboard
A Flutter widget which syncronize a ScrollView and a custom tab view.
import 'package:flutter/material.dart';
import 'package:vertical_scrollable_tabview/vertical_scrollable_tabview.dart';
import 'package:scroll_to_index/scroll_to_index.dart';
import 'category_section.dart';
import 'example_data.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: 'Vertical Scrollable TabView Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Vertical Scrollable TabView Plugin'));
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
State<MyHomePage> 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;
// Instantiate scroll_to_index (套件提供的方法)
late AutoScrollController autoScrollController;
@override
void initState() {
tabController = TabController(length: data.length, vsync: this);
autoScrollController = AutoScrollController();
super.initState();
}
@override
void dispose() {
tabController.dispose();
autoScrollController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.white,
body: VerticalScrollableTabView(
autoScrollController: autoScrollController,
scrollbarThumbVisibility: false,
tabController: tabController,
listItemData: data,
verticalScrollPosition: VerticalScrollPosition.begin,
eachItemChild: (object, index) =>
CategorySection(category: object as Category),
slivers: [
SliverAppBar(
pinned: true,
expandedHeight: 250.0,
flexibleSpace: const FlexibleSpaceBar(
title: Text("SliverAppBar"),
titlePadding: EdgeInsets.only(bottom: 50),
collapseMode: CollapseMode.pin,
background: FlutterLogo(),
),
bottom: TabBar(
isScrollable: true,
controller: tabController,
indicatorPadding: const 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);
},
),
),
],
),
);
}
}