【Flutter】スワイプ(PageView)して画面遷移したり元の画面に戻る方法について徹底解説！

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: PageView(
        children: <Widget>[
          MyPageWidget(Color(0xFF99CCFF), "Page 1"),
          MyPageWidget(Color(0xFFCC99FF), "Page 2"),
          MyPageWidget(Color(0xFFFF99CC), "Page 3"),
        ],
      ),
    );
  }
}

class MyPageWidget extends StatelessWidget {
  final Color color;
  final String text;

  MyPageWidget(this.color, this.text);

  @override
  Widget build(BuildContext context) {
    return Container(
      color: color,
      child: Center(
        child: Text(text, style: TextStyle(fontSize: 24)),
      ),
    );
  }
}