vs_scrollbar Pub

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


Table of Contents


Installing

Add to pubspec.yaml file

dependencies:
  vs_scrollbar: ^0.2.1

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


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));
             },
   ),
)

VsScrollbar object properties

NameTypedefaultDescription
controllerScrollControllernullController for Scrollbar
scrollbarFadeDurationDurationDuration(milliseconds: 300)Sets scrollbar fade animation duration
scrollbarTimeToFadeDurationDuration(milliseconds: 600)Fades scrollbar after certain duration
isAlwaysShownboolfalsecontrols visibility of scrollbar when ideal
showTrackOnHoverboolfalsecontrols visibility of scrollbar while hovering
styleVsScrollbarStyleVsScrollbarStyle()Style Class for VsScrollBar

VsScrollbarStyle object properties

NameTypedefaultDescription
colorColorSystem ColorScheme ThemeScrollBar Color
radiusRadiusRadius.circular(8.0)Set Radius of ScrollBar
thicknessdouble8.0Set Thickness of ScrollBar
hoverThicknessdouble12.0Set Hover Thickness of ScrollBar

Pull request and feedback are always appreciated :)


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Libraries

vs_scrollbar