exquisite-rainbow-1517

readme.md

exquisite-rainbow-1517

Created with <3 with dartpad.dev.

main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'EasyImageViewer Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyPageView(),
    );
  }
}

class MyPageView extends StatefulWidget {
  const MyPageView({Key? key}) : super(key: key);

  @override
  State<MyPageView> createState() => _MyPageViewState();
}

class _MyPageViewState extends State<MyPageView> {
  final PageController _pageController = PageController();
  DismissDirection _dismissDirection = DismissDirection.down;

  @override
  void dispose() {
    _pageController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(home: Scaffold(
      body: Dismissible(
        direction: _dismissDirection,
        resizeDuration: null,
        onDismissed: (_) {
          Navigator.of(context).pop();
        },
        key: const Key('dismissable_easy_image_viewer_dialog'),
        child: PageView(
          controller: _pageController,
          children: <Widget>[
            Container(
              color: Colors.red,
              child: Center(
                child: ElevatedButton(
                  onPressed: () {
                    if (_pageController.hasClients) {
                      _pageController.animateToPage(
                        1,
                        duration: const Duration(milliseconds: 400),
                        curve: Curves.easeInOut,
                      );
                    }
                  },
                  child: const Text('Next'),
                ),
              ),
            ),
            Container(
              color: Colors.blue,
              child: Center(
                child: ElevatedButton(
                  onPressed: () {
                    setState(() {
                      _dismissDirection = DismissDirection.none;
                    });
                  },
                  child: const Text('Change Dismiss Direction'),
                ),
              ),
            ),
          ],
        ),
      ),
    ));
  }
}