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Platformweb

A package to help you provide a smoother and aesthetic scroll feeling.

Web Smooth Scroll #

A package to help you provide a smoother and aesthetic scroll feeling. The motivation behind this package is, while using the official Flutter SDK the scrolling experience on web is very jerky and feels laggy to overcome it and provide more quality scrolling this package is developed.


Motivation #

While I was developing my portfolio website using Flutter I faced the issue of jerky scrolling so for a research in solving it I came across this package https://pub.dev/packages/smooth_scroll_web, but it has got some issues and currently not being maintained by the author. It has issues while scrolling and also when using with scrollbars the scroll behaviour is different. Also when user uses a trackpad to scroll it'll scroll to the bottom of the screen and makes the website completely unusable. Also that package doesn't supports null safety which is supported in this package. I've developed this package to overcome all this issues. I would like to thank Dezső Csete, for this motivation and providing a base to work on.


Scroll without plugin #


Scroll with plugin #


Getting Started #


Installation #

Add

dependencies:
  web_smooth_scroll: ^latest_version

to your pubspec.yaml, and run

flutter packages get

in your project's root directory.

Basic Usage #

  1. Import it to your project file
import 'package:web_smooth_scroll/web_smooth_scroll.dart';
  1. Create a Scroll Controller
  // Controllers
  late ScrollController _scrollController;

  @override
  void initState() {
    // initialize scroll controllers
    _scrollController = ScrollController();

    super.initState();
  }
  1. Use the controller with package
@override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Web Smooth Scroll'),
      ),
      body: WebSmoothScroll(
        controller: _scrollController,
        child: SingleChildScrollView(
          physics: const NeverScrollableScrollPhysics(),
          controller: _scrollController,
          child: _buildScrollableList(),
        ),
      ),
    );
  }

WebSmoothScroll can be used with any scrollable widget, just pass the same scroll controller to WebSmoothScroll as well as the scrollable widget. And also specify scroll physics to NeverScrollableScrollPhysics() #


There are additional optional parameters one can use

    WebSmoothScroll(
        controller: _scrollController,
        scrollOffset: 100, // additional offset to users scroll input
        animationDuration: 600, // duration of animation of scroll in milliseconds
        curve: Curves.easeInOutCirc, // curve of the animation
        child: SingleChildScrollView(
          physics: const NeverScrollableScrollPhysics(),
          controller: _scrollController,
          child: _buildScrollableList(),
        ),
    ),

Some points to be noted #

  1. This plugin is to be used only on web and not on any other platform, you can check if platform is web and render using WebSmoothScroll else don't use this plugin.
  2. Remember to assign physics as NeverScrollableScrollPhysics() else you won't see any change in the scrolling behaviour
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A package to help you provide a smoother and aesthetic scroll feeling.

Repository (GitHub)
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Documentation

API reference

License

Icon for licenses.GPL-3.0 (LICENSE)

Dependencies

flutter

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