vs_scrollbar

Customizable ScrollBar that can be dragged for quick navigation supporting both Horizontal and Vertical list.

Table of Contents

• Installing - How to install
• Package Details - Package Details
• Example - How this plugin works
• Code example - How to use
• VsScrollBar object properties - Modifying your VsScrollBar

Installing

Add to pubspec.yaml file

dependencies:
  vs_scrollbar: ^0.1.2

Import

import 'package:vs_scrollbar/vs_scrollbar.dart';

Package Details

Customizable ScrollBar that can be dragged for quick navigation supporting both Horizontal and Vertical list.

You can adjust scrollbar's thickness, radius, set custom colors and handle support for list drag functionality with prebuilt methods of default ScrollBar for Flutter.

Control animation duration of scrollbar using scrollbarTimeToFade, scrollbarFadeDuration properties.

Wrap This ScrollBar to any ScrollableList.
SingleChildScrollView
ListView
Listview.builder

Example

Try out example code all parameters are optional, currently serving basic use case scenarios.

Horizontal List

Vertical List

Code example

// use same scrollController object to listview and scrollbar to support drag functionality
ScrollController _scrollController = ScrollController();

VsScrollbar(
   controller: _scrollController,
   scrollDirection: Axis.vertical, // @REQUIRED
   allowDrag: true, // allows to scroll the list using scrollbar [default : true]
   color: Colors.purple[900], // sets color of vsScrollBar
   radius: 50, // sets radius of vsScrollBar
   thickness: 8, // sets thickness of vsScrollBar
   isAlwaysShown: true, // default false
   // sets scrollbar fade animation duration [ Default : Duration(milliseconds: 300)]
   scrollbarFadeDuration: Duration(milliseconds: 500),
   // Fades scrollbar after certain duration [ Default : Duration(milliseconds: 600)]
   scrollbarTimeToFade: Duration(milliseconds: 800),
   child: ListView.builder(
             controller: _scrollController, 
             shrinkWrap: true,
             physics: BouncingScrollPhysics(),
             itemCount: 6,
             scrollDirection: Axis.vertical,
             itemBuilder: (BuildContext context, int index) {
                   return Container(
                          height: 100,
                          width: MediaQuery.of(context).size.width,
                          color: Colors.purple[900],
                          margin: EdgeInsets.all(15));
             },
   ),
)

VsScrollbar object properties

Pull request and feedback are always appreciated :)

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