vertical_scrollable_tabview

vertical_scrollable_tabview

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

The main idea is to create a custom tab view synchronizing with inner ScrollView. The scroll activity will trigger custom tab view at the top to follow the index of the inner scroll view widget.

exposes Scrollbar and CustomScrollView parameters to VerticalScrollableTabView

Installation

Add dependency for package on your pubspec.yaml:

dependencies:
    vertical_scrollable_tabview: <latest>
    scroll_to_index: <latest>

Usage

To use this widget we must first define how our tabs will look like.

VerticalScrollableTabView

you need to implement TabController and AutoScrollController

Import Parameter :point_down:

Copy parameters from Scrollbar

Copy parameters from CustomScrollView

Example

** IMPORTANT** DON'T FORGET IMPLEMENT TabController and AutoScrollController

import 'package:vertical_scrollable_tabview/vertical_scrollable_tabview.dart';
VerticalScrollableTabView(
    autoScrollController: autoScrollController,          <- Required AutoScrollController
    tabController: tabController,                        <- Required TabBarController
    listItemData: data,<- Required List<dynamic>
    verticalScrollPosition: VerticalScrollPosition.begin,
    eachItemChild: (object, index) =>
        CategorySection(category: object as Category),    <- Object and index
    slivers: [                                            <- Required slivers 
      SliverAppBar(                                       <- Required SliverAppBar 
        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);  <- Required
          },
        ),
      ),
    ],
  ),

for full example, please see this Demo.

Contribution

Contributions are accepted via pull requests. For more information about how to contribute to this package, please check the contribution guide.

License

This project is licensed under the MIT license, additional knowledge about the license can be found here.