Скачать или смотреть flutter web scroll to section tutorial flutter animation

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sure! in this tutorial, we will create a flutter web application that allows users to scroll to different sections of the page using smooth animations. we will use the `scrollcontroller` and `singlechildscrollview` widgets to achieve this functionality.

prerequisites

1. basic knowledge of flutter and dart.
2. flutter sdk installed on your machine.
3. a flutter project set up for web.

step 1: create a new flutter web project

if you don't have a project, you can create a new one with the following command:

```bash
flutter create flutter_web_scroll
cd flutter_web_scroll
```

step 2: update `pubspec.yaml`

make sure you have the latest `flutter` version in your `pubspec.yaml`. you can also add any necessary dependencies, but for this tutorial, we will use the built-in flutter widgets.

```yaml
dependencies:
flutter:
sdk: flutter
```

step 3: create the ui

in your `lib/main.dart` file, create the ui for the scrollable sections.

```dart
import 'package:flutter/material.dart';

void main() {
runapp(myapp());
}

class myapp extends statelesswidget {
@override
widget build(buildcontext context) {
return materialapp(
title: 'flutter web scroll tutorial',
theme: themedata(
primaryswatch: colors.blue,
),
home: scrolltosection(),
);
}
}

class scrolltosection extends statefulwidget {
@override
_scrolltosectionstate createstate() = _scrolltosectionstate();
}

class _scrolltosectionstate extends statescrolltosection {
final scrollcontroller _controller = scrollcontroller();

void scrolltosection(double offset) {
_controller.animateto(
offset,
duration: duration(seconds: 1),
curve: curves.easeinout,
);
}

@override
widget build(buildcontext context) {
return scaffold(
appbar: appbar(
title: text('scroll to section'),
actions: [
textbutton(
onpressed: () = scrolltosection(0),
child: text('section 1', style: textstyl ...

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