main.dart

import 'package:flutter/material.dart';

/// Flutter code sample for [PageView].

void main() => runApp(const PageViewExampleApp());

class PageViewExampleApp extends StatelessWidget {
  const PageViewExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('PageView Sample')),
        body: const PageViewExample(),
      ),
    );
  }
}

class PageViewExample extends StatelessWidget {
  const PageViewExample({super.key});

  @override
  Widget build(BuildContext context) {
    final PageController controller = PageController();
    return PageView(
      /// [PageView.scrollDirection] defaults to [Axis.horizontal].
      /// Use [Axis.vertical] to scroll vertically.
      controller: controller,
      children: const <Widget>[
        Column(
          children: [
            Text('First Page'),
            TextField(),
          ],
        ),
        Column(
          children: [
            Text('Second Page'),
            TextField(),
          ],
        ),
        Column(
          children: [
            Text('Third Page'),
            TextField(),
          ],
        ),
      ],
    );
  }
}