opencanteen/lib/okna/about.dart

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

import '../lang/lang.dart';

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

  @override
  State<AboutPage> createState() => _AboutPageState();
}

class _AboutPageState extends State<AboutPage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(Languages.of(context)!.about),
      ),
      body: SingleChildScrollView(
        child: SizedBox(
          height: MediaQuery.of(context).size.height,
          child: Column(mainAxisSize: MainAxisSize.min, children: [
            const Text("OpenCanteen", style: TextStyle(fontSize: 30)),
            const Text("© 2022 Matyáš Caras a přispěvatelé"),
            InkWell(
                onTap: () => launch(
                    "https://github.com/hernikplays/opencanteen/blob/main/LICENSE"),
                child: const Text("Vydáno pod licencí GNU GPLv3")),
            const SizedBox(height: 15),
            Text(Languages.of(context)!.usedLibs,
                style: const TextStyle(fontSize: 19)),
            const SizedBox(height: 10),
            cudlik(
                "Flutter",
                "Copyright 2014 The Flutter Authors. All rights reserved, licence BSD 3-Clause",
                "https://github.com/flutter/flutter/blob/master/LICENSE"),
            const SizedBox(height: 10),
            cudlik(
                "Flutter_secure_storage",
                "Copyright 2017 German Saprykin. All rights reserved, licence BSD 3-Clause",
                "https://github.com/mogol/flutter_secure_storage/blob/develop/flutter_secure_storage/LICENSE"),
            const SizedBox(height: 10),
            cudlik(
                "connectivity_plus",
                "Copyright 2017 The Chromium Authors. All rights reserved, licence BSD 3-Clause",
                "https://github.com/fluttercommunity/plus_plugins/blob/main/packages/connectivity_plus/connectivity_plus/LICENSE"),
            const SizedBox(height: 10),
            cudlik(
                "url_launcher",
                "Copyright 2013 The Flutter Authors. All rights reserved, licence BSD 3-Clause",
                "https://github.com/flutter/plugins/blob/main/packages/url_launcher/url_launcher/LICENSE"),
            const SizedBox(height: 10),
            cudlik(
                "canteenlib",
                "Copyright (c) 2022 Matyáš Caras and contributors, licence MIT",
                "https://github.com/hernikplays/canteenlib/blob/main/LICENSE"),
            const SizedBox(height: 10),
            cudlik(
                "path_provider",
                "Copyright 2013 The Flutter Authors. All rights reserved., licence BSD-3-Clause",
                "https://github.com/flutter/plugins/blob/main/packages/path_provider/path_provider/LICENSE"),
            const SizedBox(height: 10),
            cudlik(
                "shared_preferences",
                "Copyright 2013 The Flutter Authors. All rights reserved., licence BSD-3-Clause",
                "https://github.com/flutter/plugins/blob/main/packages/path_provider/path_provider/LICENSE")
          ]),
        ),
      ),
    );
  }

  Widget cudlik(String nazev, String copyright, String licence) {
    return InkWell(
      onTap: () => launch(licence),
      child: Column(children: [
        Text(
          nazev,
          style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 17),
          textAlign: TextAlign.center,
        ),
        Text(
          copyright,
        ),
      ]),
    );
  }
}