vs_scrollbar

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

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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

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Installing

Add to pubspec.yaml file

dependencies:
  vs_scrollbar: ^1.0.0

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 customize 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.

Drag Behaviour with scrollbar is by default supported, if ScrollController object is passed.

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

Example

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

Horizontal List

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Vertical List

Code example

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

VsScrollbar(
   controller: _scrollController,
   showTrackOnHover: true,// default false
   isAlwaysShown: true, // default false
   scrollbarFadeDuration: Duration(milliseconds: 500), // default : Duration(milliseconds: 300)
   scrollbarTimeToFade: Duration(milliseconds: 800),// default : Duration(milliseconds: 600)
   style: VsScrollbarStyle(
            hoverThickness: 10.0, // default 12.0
            radius: Radius.circular(10), // default Radius.circular(8.0)
            thickness: 10.0, // [ default 8.0 ]
            color: Colors.purple.shade900, // default ColorScheme Theme
          ),
   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));
             },
   ),
)

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VsScrollbar object properties

Name	Type	default	Description
controller	ScrollController	null	Controller for Scrollbar
scrollbarFadeDuration	Duration	Duration(milliseconds: 300)	Sets scrollbar fade animation duration
scrollbarTimeToFade	Duration	Duration(milliseconds: 600)	Fades scrollbar after certain duration
isAlwaysShown	bool	false	controls visibility of scrollbar when ideal
showTrackOnHover	bool	false	controls visibility of scrollbar while hovering
style	VsScrollbarStyle	VsScrollbarStyle()	Style Class for VsScrollBar

VsScrollbarStyle object properties

Name	Type	default	Description
color	Color	System ColorScheme Theme	ScrollBar Color
radius	Radius	Radius.circular(8.0)	Set Radius of ScrollBar
thickness	double	8.0	Set Thickness of ScrollBar
hoverThickness	double	12.0	Set Hover Thickness of ScrollBar

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Pull request and feedback are always appreciated :)

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