extendable_modal_sheet 1.0.2

Extendable Modal Sheet

example/lib/main.dart

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

void main() {
  runApp(const MyExample());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Extendable Modal Sheet'),
    );
  }
}

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

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  void _showDialog() async {
    await showModalBottomSheet(
        isDismissible: true,
        context: context,
        isScrollControlled: true,
        backgroundColor: Colors.transparent,
        useRootNavigator: true,
        builder: (ctx) => const MyModal());
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _showDialog,
        tooltip: 'showDialog',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

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

  @override
  Widget build(BuildContext context) => ExtendableModalSheet(
        backgroundColor: Colors.grey.shade100,
        mainWidget: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Column(
            children: List.generate(
                20,
                (index) => (index == 0)
                    ? Container(
                        width: double.infinity,
                        height: 64,
                        margin: const EdgeInsets.all(8),
                        decoration: BoxDecoration(
                            color: Colors.black87,
                            borderRadius: BorderRadius.circular(12)),
                        child: const Center(
                          child: Text(
                            '!! Enjoy using This dialog !!',
                            style: TextStyle(color: Colors.white),
                          ),
                        ),
                      )
                    : Container(
                        width: double.infinity,
                        height: 64,
                        margin: const EdgeInsets.all(8),
                        decoration: BoxDecoration(
                            color: Colors.blueAccent.shade400,
                            borderRadius: BorderRadius.circular(12)),
                      )),
          ),
        ),
        bottomWidget: Padding(
          padding: const EdgeInsets.all(16.0),
          child: ElevatedButton(
              style: ButtonStyle(
                backgroundColor: MaterialStateProperty.all(Colors.black87),
              ),
              onPressed: () {
                Navigator.of(context).pop();
              },
              child: const Text(
                'dismiss',
                style: TextStyle(fontSize: 24, color: Colors.white),
              )),
        ),
      );
}