expandable_page_view 1.0.6

A PageView widget adjusting it's height to currently displayed page

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: SingleChildScrollView(
        child: Column(
          children: [
            ExpandablePageView(
              children: [
                ExamplePage(Colors.blue, "1", 100),
                ExamplePage(Colors.green, "2", 200),
                ExamplePage(Colors.red, "3", 300),
              ],
            ),
            ExpandablePageView.builder(
              animateFirstPage: true,
              estimatedPageSize: 100,
              itemCount: 3,
              itemBuilder: (context, index) {
                return ExamplePage(
                  Colors.blue,
                  index.toString(),
                  (index + 1) * 100.0,
                );
              },
            ),
            const SizedBox(height: 20),
            Text("UNDER PAGE VIEW WIDGET"),
          ],
        ),
      ),
    );
  }
}

class ExamplePage extends StatelessWidget {
  final Color color;
  final String text;
  final double height;

  const ExamplePage(this.color, this.text, this.height);

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