meincantor-app/lib/Settings/Pages/info_settings.dart

import 'package:flutter/material.dart';
import 'package:flutter_linkify/flutter_linkify.dart';
import 'package:meincantor/const.dart';
import 'package:meincantor/main.dart';
import 'package:url_launcher/url_launcher.dart';

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text("Informationen"),
          centerTitle: true,
        ),
        body: LayoutBuilder(builder: (context, constraints) {
          double widgetWidth = constraints.maxWidth;

          int factor;

          if (widgetWidth <= 600) {
            factor = 1;
          } else if (widgetWidth <= 1400) {
            factor = 2;
          } else if (widgetWidth <= 2000) {
            factor = 3;
          } else {
            factor = 1;
          }

          return Center(
            heightFactor: 1,
            child: Container(
                constraints: BoxConstraints(
                  maxWidth: MediaQuery.of(context).size.width / factor,
                ),
                child: ListView(
                  padding: const EdgeInsets.fromLTRB(5, 5, 5, 5),
                  children: [
                    const Padding(
                      padding: EdgeInsets.all(5),
                      child: ListTile(
                          leading: Icon(Icons.info_outlined),
                          title: Text("Version"),
                          subtitle: Text(version)),
                    ),
                    Padding(
                      padding: const EdgeInsets.all(5),
                      child: ListTile(
                        shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(15.0)),
                        leading: const Icon(Icons.person_outlined),
                        title: const Text("Autor"),
                        subtitle: const Text(author),
                        onTap: () =>
                            launch("https://git.cantorgymnasium.de/denyskon"),
                      ),
                    ),
                    Padding(
                      padding: const EdgeInsets.all(5),
                      child: ListTile(
                          shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(15.0)),
                          leading: const Icon(Icons.source_outlined),
                          title: const Text("Quellcode"),
                          subtitle: Linkify(
                            onOpen: (link) async {
                              if (await canLaunch(link.url)) {
                                await launch(link.url);
                              } else {
                                throw 'Could not launch $link';
                              }
                            },
                            text:
                                "https://git.cantorgymnasium.de/cantortechnik/meincantor-app",
                            linkStyle: const TextStyle(color: Palette.accent),
                          ),
                          onTap: () => launch(
                              "https://git.cantorgymnasium.de/cantortechnik/meincantor-app")),
                    ),
                    Padding(
                      padding: const EdgeInsets.all(5),
                      child: ListTile(
                        shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(15.0)),
                        leading:
                            const Icon(Icons.settings_backup_restore_outlined),
                        title: const Text("Änderungsverlauf"),
                        subtitle: const Text("Was ist neu?"),
                        onTap: () {
                          showModalBottomSheet<void>(
                            isScrollControlled: true,
                            context: context,
                            builder: (BuildContext context) {
                              return SizedBox(
                                height: 400,
                                child: Column(
                                  children: <Widget>[
                                    AppBar(
                                      title: const Text("Änderungsverlauf"),
                                    ),
                                    const Padding(
                                      padding: EdgeInsets.all(10),
                                      child: Text(
                                          "1.0.0 --\nErste Release-Version!"),
                                    ),
                                  ],
                                ),
                              );
                            },
                          );
                        },
                      ),
                    ),
                    Padding(
                      padding: const EdgeInsets.all(5),
                      child: ListTile(
                        shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(15.0)),
                        leading: const Icon(Icons.copyright_outlined),
                        title: const Text("Lizenzen"),
                        onTap: () {
                          Navigator.push(
                            context,
                            MaterialPageRoute(
                                builder: (context) => LicensePage(
                                      applicationIcon: Padding(
                                        padding: const EdgeInsets.all(5),
                                        child: MediaQuery.of(context).platformBrightness == Brightness.light
                                            ? Image.asset(
                                            "assets/images/meincantor-big.png",
                                            width: 196)
                                            : Image.asset(
                                            "assets/images/meincantor-big-dark.png",
                                            width: 196)
                                      ),
                                      applicationVersion: version,
                                    )),
                          );
                        },
                      ),
                    ),
                  ],
                )),
          );
        }));
  }
}