Add about page, in-app changelog, Android download

.vscode/launch.json

@@ -7,7 +7,11 @@
 		{
 			"name": "Current Device",
 			"request": "launch",
-			"type": "dart"
+			"type": "dart",
+			"args": [
+				"--dart-define",
+				"DOWNLOAD=apk"
+			]
 		},
 		{
 			"name": "info_tren (profile mode)",

CHANGELOG.txt

@@ -1,3 +1,7 @@
+v2.7.5
+Added about page and in-app changelog.
+On Android, added download buttons.
+
 v2.7.4
 Addressed Android 12 component exporting rule.
 See: https://developer.android.com/about/versions/12/behavior-changes-12#exported
@@ -51,7 +55,6 @@ Tweaks
 v2.0.6
 Brought feature parity with iOS _(except for v2.0.2, which is iOS specific)_.
 
-
 v2.0.5
 - increased font weight on iOS
 - added support for system bolt font request on iOS

lib/api/releases.dart

@@ -0,0 +1,16 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:info_tren/models/changelog_entry.dart';
+import 'package:info_tren/utils/iterable_extensions.dart';
+
+Future<List<ChangelogEntry>> getRemoteReleases() async {
+  final Uri uri = Uri.parse('https://gitea.dcdev.ro/api/v1/repos/kbruen/info_tren/releases');
+  final response = await http.get(uri);
+  final json = jsonDecode(response.body) as List<dynamic>;
+  return json.map((e) => ChangelogEntry(
+    version: ChangelogVersion.parse(e['tag_name']),
+    description: e['body'],
+    apkLink: (e['assets'] as List<dynamic>).where((e) => (e['name'] as String).contains('.apk')).map((e) => Uri.parse(e['browser_download_url'] as String)).firstOrNull,
+  )).toList();
+}

lib/main.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 // import 'package:flutter_redux/flutter_redux.dart';
 import 'package:info_tren/models/ui_design.dart';
+import 'package:info_tren/pages/about/about_page.dart';
 import 'package:info_tren/pages/main/main_page.dart';
 import 'package:info_tren/pages/station_arrdep_page/select_station/select_station.dart';
 import 'package:info_tren/pages/station_arrdep_page/view_station/view_station.dart';
@@ -28,10 +29,19 @@ void main() {
 
 Map<String, WidgetBuilder> routesByUiDesign(UiDesign uiDesign) => {
   Navigator.defaultRouteName: (context) {
-    return MainPage(uiDesign: uiDesign,);
+    return MainPage(
+      uiDesign: uiDesign,
+    );
+  },
+  AboutPage.routeName: (context) {
+    return AboutPage(
+      uiDesign: uiDesign,
+    );
   },
   SelectTrainPage.routeName: (context) {
-    return SelectTrainPage(uiDesign: uiDesign);
+    return SelectTrainPage(
+      uiDesign: uiDesign,
+    );
   },
   TrainInfo.routeName: (context) {
     return TrainInfo(
@@ -40,7 +50,9 @@ Map<String, WidgetBuilder> routesByUiDesign(UiDesign uiDesign) => {
     );
   },
   SelectStationPage.routeName: (context) {
-    return SelectStationPage(uiDesign: uiDesign,);
+    return SelectStationPage(
+      uiDesign: uiDesign,
+    );
   },
   ViewStationPage.routeName: (context) {
     return ViewStationPage(
@@ -80,9 +92,11 @@ class StartPoint extends StatelessWidget {
         title: appTitle,
         theme: ThemeData(
           primarySwatch: Colors.blue,
-          brightness: Brightness.dark,
+          colorScheme: ColorScheme.fromSwatch(
-          primaryColor: Colors.blue.shade600,
+            brightness: Brightness.dark,
-          accentColor: Colors.blue.shade700,
+            primarySwatch: Colors.blue,
+            accentColor: Colors.blue.shade700,
+          ),
           // fontFamily: 'Atkinson Hyperlegible',
         ),
         routes: routesByUiDesign(UiDesign.MATERIAL),

lib/models/changelog_entry.dart

@@ -0,0 +1,75 @@
+import 'package:quiver/core.dart';
+
+class ChangelogEntry {
+  final ChangelogVersion version;
+  final String description;
+  final Uri? apkLink;
+
+  ChangelogEntry({required this.version, required this.description, this.apkLink});
+
+  factory ChangelogEntry.fromTextBlock(String text) {
+    final lines = text.split(RegExp(r'(\r?\n)+'));
+    return ChangelogEntry(
+      version: ChangelogVersion.parse(lines.first), 
+      description: lines.skip(1).join('\n'),
+    );
+  }
+
+  static List<ChangelogEntry> fromTextFile(String text) {
+    final blocks = text.split(RegExp(r'(\r?\n){2}'));
+    return blocks.map(ChangelogEntry.fromTextBlock).toList();
+  }
+}
+
+class ChangelogVersion implements Comparable<ChangelogVersion> {
+  final int major;
+  final int minor;
+  final int patch;
+  final String? prerelease;
+
+  ChangelogVersion(this.major, this.minor, this.patch, [this.prerelease]);
+
+  factory ChangelogVersion.parse(String version) {
+    if (version.startsWith('v')) {
+      version = version.substring(1);
+    }
+    String? prerelease;
+    if (version.contains('-')) {
+      final index = version.indexOf('-');
+      prerelease = version.substring(index + 1);
+      version = version.substring(0, index);
+    }
+    final splitted = version.split('.').map(int.parse).toList();
+    return ChangelogVersion(splitted[0], splitted[1], splitted[2], prerelease);
+  }
+
+  @override
+  String toString() {
+    final vString = 'v$major.$minor.$patch';
+    return prerelease == null ? vString : '$vString-$prerelease';
+  }
+
+  @override
+  bool operator==(dynamic other) {
+    if (other is! ChangelogVersion) {
+      return false;
+    }
+    return major == other.major && minor == other.minor && patch == other.patch && prerelease == other.prerelease;
+  }
+
+  @override
+  int get hashCode {
+    return hash3(major.hashCode, minor.hashCode, patch.hashCode);
+  }
+  
+  @override
+  int compareTo(ChangelogVersion other) {
+    if (major != other.major) {
+      return major.compareTo(other.major);
+    }
+    if (minor != other.minor) {
+      return minor.compareTo(other.minor);
+    }
+    return patch.compareTo(other.patch);
+  }
+}

lib/pages/about/about_page.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/widgets.dart';
+import 'package:info_tren/api/releases.dart';
+import 'package:info_tren/models/changelog_entry.dart';
+import 'package:info_tren/models/ui_design.dart';
+import 'package:info_tren/pages/about/about_page_cupertino.dart';
+import 'package:info_tren/pages/about/about_page_material.dart';
+import 'package:info_tren/utils/default_ui_design.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+
+class AboutPage extends StatefulWidget {
+  final UiDesign? uiDesign;
+
+  const AboutPage({Key? key, this.uiDesign}) : super(key: key);
+
+  static String routeName = '/about';
+  
+  @override
+  State<StatefulWidget> createState() {
+    final uiDesign = this.uiDesign ?? defaultUiDesign;
+    
+    switch (uiDesign) {
+      case UiDesign.MATERIAL:
+        return AboutPageStateMaterial();
+      case UiDesign.CUPERTINO:
+        return AboutPageStateCupertino();
+      default:
+        throw UnmatchedUiDesignException(uiDesign);
+    }
+  }
+}
+
+abstract class AboutPageState extends State<AboutPage> {
+  static const String DOWNLOAD = String.fromEnvironment('DOWNLOAD');
+
+  final String pageTitle = 'Despre aplicație';
+  final String versionTitleText = 'Versiunea aplicației';
+  final String latestVersionText = 'Cea mai recentă versiune';
+  final String currentVersionText = 'Versiunea curentă';
+
+  List<ChangelogEntry> localChangelog = [];
+  List<ChangelogEntry> remoteChangelog = [];
+  List<ChangelogEntry> get mergedChangelogs {
+    final logs = remoteChangelog.toList();
+    final versions = logs.map((log) => log.version).toSet();
+    for (final log in localChangelog) {
+      if (!versions.contains(log.version)) {
+        logs.add(log);
+        versions.add(log.version);
+      }
+    }
+    logs.sort((l1, l2) => l2.version.compareTo(l1.version));
+    return logs;
+  }
+
+  PackageInfo? packageInfo;
+
+  @override
+  void didChangeDependencies() {
+    PackageInfo.fromPlatform().then((value) => setState(() {
+      packageInfo = value;
+    }));
+
+    DefaultAssetBundle.of(context).loadString('CHANGELOG.txt').then((value) {
+      setState(() {
+        localChangelog = ChangelogEntry.fromTextFile(value);
+      });
+    });
+
+    getRemoteReleases().then((value) => setState(() {
+      remoteChangelog = value;
+    }));
+
+    super.didChangeDependencies();
+  }
+}

lib/pages/about/about_page_cupertino.dart

@@ -0,0 +1,127 @@
+import 'package:flutter/cupertino.dart';
+import 'package:info_tren/components/cupertino_divider.dart';
+import 'package:info_tren/pages/about/about_page.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class AboutPageStateCupertino extends AboutPageState {
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoPageScaffold(
+      navigationBar: CupertinoNavigationBar(
+        middle: Text(pageTitle),
+      ),
+      child: Builder(
+        builder: (context) {
+          final topPadding = MediaQuery.of(context).padding.top; 
+          return SingleChildScrollView(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                SizedBox(
+                  height: topPadding,
+                ),
+                Center(
+                  child: Text(
+                    'Info Tren',
+                    style: CupertinoTheme.of(context).textTheme.navLargeTitleTextStyle,
+                  ),
+                ),
+                if (packageInfo != null)
+                  Center(
+                    child: Text(
+                      packageInfo!.packageName,
+                      style: TextStyle(
+                        inherit: true,
+                        fontSize: 14,
+                      ),
+                    ),
+                  ),
+                Padding(
+                  padding: const EdgeInsets.symmetric(vertical: 8.0),
+                  child: CupertinoDivider(),
+                ),
+                for (final log in mergedChangelogs) ...[
+                  Padding(
+                    padding: const EdgeInsets.fromLTRB(8, 8, 8, 0),
+                    child: Row(
+                      crossAxisAlignment: CrossAxisAlignment.center,
+                      children: [
+                        Expanded(
+                          child: Text(
+                            log.version.toString(),
+                            style: TextStyle(
+                              inherit: true,
+                              fontSize: 24,
+                            ),
+                          ),
+                        ),
+                        if (localChangelog.isNotEmpty && log.version == localChangelog.first.version)
+                          Container(
+                            decoration: BoxDecoration(
+                              border: Border.all(
+                                color: CupertinoTheme.of(context).textTheme.textStyle.color ?? CupertinoColors.inactiveGray,
+                                width: 1,
+                              ),
+                              borderRadius: BorderRadius.circular(20),
+                            ),
+                            child: Padding(
+                              padding: const EdgeInsets.all(4),
+                              child: Text(
+                                currentVersionText,
+                                style: TextStyle(
+                                  inherit: true,
+                                ),
+                              ),
+                            ),
+                          ),
+                        if (remoteChangelog.isNotEmpty && log.version == remoteChangelog.first.version && (localChangelog.isEmpty || localChangelog.first.version != log.version))
+                          Container(
+                            decoration: BoxDecoration(
+                              border: Border.all(
+                                color: CupertinoColors.activeGreen,
+                                width: 1,
+                              ),
+                              borderRadius: BorderRadius.circular(20),
+                            ),
+                            child: Padding(
+                              padding: const EdgeInsets.all(4),
+                              child: Text(
+                                latestVersionText,
+                                style: TextStyle(
+                                  inherit: true,
+                                  color: CupertinoColors.activeGreen,
+                                ),
+                              ),
+                            ),
+                          ),
+                        if (AboutPageState.DOWNLOAD == 'apk' && log.apkLink != null)
+                          CupertinoButton(
+                            padding: EdgeInsets.all(4),
+                            minSize: 0,
+                            onPressed: () {
+                              launchUrl(log.apkLink!);
+                            }, 
+                            child: Icon(CupertinoIcons.arrow_down_circle),
+                          ),
+                      ],
+                    ),
+                  ),
+                  Padding(
+                    padding: const EdgeInsets.all(8.0),
+                    child: RichText(
+                      text: TextSpan(
+                        text: log.description,
+                      ),
+                    ),
+                  ),
+                  CupertinoDivider(),
+                ],
+              ],
+            ),
+          );
+        }
+      ),
+    );
+  }
+}

lib/pages/about/about_page_material.dart

@@ -0,0 +1,112 @@
+import 'package:flutter/material.dart';
+import 'package:info_tren/pages/about/about_page.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class AboutPageStateMaterial extends AboutPageState {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(pageTitle),
+        centerTitle: true,
+      ),
+      body: SingleChildScrollView(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Center(
+              child: Text(
+                'Info Tren',
+                style: Theme.of(context).textTheme.displayMedium,
+              ),
+            ),
+            if (packageInfo != null)
+              Center(
+                child: Text(
+                  packageInfo!.packageName,
+                  style: Theme.of(context).textTheme.caption,
+                ),
+              ),
+            // ListTile(
+            //   title: Text(versionTitleText),
+            //   subtitle: localChangelog.isEmpty ? null : Text(localChangelog.first.title),
+            // ),
+            Divider(),
+            for (final log in mergedChangelogs) ...[
+              Padding(
+                padding: const EdgeInsets.fromLTRB(8, 8, 8, 0),
+                child: Row(
+                  crossAxisAlignment: CrossAxisAlignment.center,
+                  children: [
+                    Expanded(
+                      child: Text(
+                        log.version.toString(),
+                        style: Theme.of(context).textTheme.headline4,
+                      ),
+                    ),
+                    if (localChangelog.isNotEmpty && log.version == localChangelog.first.version)
+                      Container(
+                        decoration: BoxDecoration(
+                          border: Border.all(
+                            color: Theme.of(context).colorScheme.onBackground,
+                            width: 1,
+                          ),
+                          borderRadius: BorderRadius.circular(20),
+                        ),
+                        child: Padding(
+                          padding: const EdgeInsets.all(4),
+                          child: Text(
+                            currentVersionText,
+                            style: TextStyle(
+                              inherit: true,
+                            ),
+                          ),
+                        ),
+                      ),
+                    if (remoteChangelog.isNotEmpty && log.version == remoteChangelog.first.version && (localChangelog.isEmpty || localChangelog.first.version != log.version))
+                      Container(
+                        decoration: BoxDecoration(
+                          border: Border.all(
+                            color: Colors.green,
+                            width: 1,
+                          ),
+                          borderRadius: BorderRadius.circular(20),
+                        ),
+                        child: Padding(
+                          padding: const EdgeInsets.all(4),
+                          child: Text(
+                            latestVersionText,
+                            style: TextStyle(
+                              inherit: true,
+                              color: Colors.green,
+                            ),
+                          ),
+                        ),
+                      ),
+                    if (AboutPageState.DOWNLOAD == 'apk' && log.apkLink != null)
+                      IconButton(
+                        onPressed: () {
+                          launchUrl(log.apkLink!);
+                        }, 
+                        icon: Icon(Icons.download),
+                        tooltip: 'Download APK',
+                      ),
+                  ],
+                ),
+              ),
+              Padding(
+                padding: const EdgeInsets.all(8.0),
+                child: RichText(
+                  text: TextSpan(
+                    text: log.description,
+                  ),
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/pages/main/main_page.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/widgets.dart';
 import 'package:info_tren/models/ui_design.dart';
+import 'package:info_tren/pages/about/about_page.dart';
 import 'package:info_tren/pages/main/main_page_cupertino.dart';
 import 'package:info_tren/pages/main/main_page_material.dart';
 import 'package:info_tren/pages/station_arrdep_page/select_station/select_station.dart';
@@ -28,21 +29,31 @@ class MainPage extends StatelessWidget {
 
 abstract class MainPageShared extends StatelessWidget {
   final String pageTitle = 'Info Tren';
+  final String moreOptionsText = 'Mai multe opțiuni';
 
-  List<MainPageOption> get options => [
+  List<MainPageAction> get popupMenu => [
-    MainPageOption(
+    MainPageAction(
+      name: 'Despre aplicație',
+      action: (context) {
+        Navigator.of(context).pushNamed(AboutPage.routeName);
+      },
+    ),
+  ];
+
+  List<MainPageAction> get options => [
+    MainPageAction(
       name: 'Informații despre tren',
-      action: (BuildContext context) {
+      action: (context) {
         onTrainInfoPageInvoke(context);
       },
     ),
-    MainPageOption(
+    MainPageAction(
       name: 'Tabelă plecari/sosiri',
       action: (context) {
         onStationBoardPageInvoke(context);
       },
     ),
-    MainPageOption(
+    MainPageAction(
       name: 'Planificare rută',
       // TODO: Implement route planning
       action: null,
@@ -62,9 +73,9 @@ abstract class MainPageShared extends StatelessWidget {
   }
 }
 
-class MainPageOption {
+class MainPageAction {
   final String name;
   final void Function(BuildContext context)? action;
 
-  MainPageOption({required this.name, this.action});
+  MainPageAction({required this.name, this.action});
 }

lib/pages/main/main_page_cupertino.dart

@@ -7,6 +7,32 @@ class MainPageCupertino extends MainPageShared {
     return CupertinoPageScaffold(
       navigationBar: CupertinoNavigationBar(
         middle: Text(pageTitle),
+        trailing: CupertinoButton(
+          child: Icon(CupertinoIcons.ellipsis_circle), 
+          padding: EdgeInsets.zero,
+          onPressed: () {
+            showCupertinoModalPopup(
+              context: context, 
+              builder: (context) {
+                return CupertinoActionSheet(
+                  actions: popupMenu.map((m) => CupertinoActionSheetAction(
+                    onPressed: () {
+                      Navigator.of(context).pop();
+                      m.action?.call(context);
+                    }, 
+                    child: Text(m.name),
+                  )).toList(),
+                  cancelButton: CupertinoActionSheetAction(
+                    onPressed: () {
+                      Navigator.of(context).pop();
+                    },
+                    child: Text('Anulare'),
+                  ),
+                );
+              },
+            );
+          },
+        ),
       ),
       child: SafeArea(
         child: Center(

lib/pages/main/main_page_material.dart

@@ -8,6 +8,19 @@ class MainPageMaterial extends MainPageShared {
       appBar: AppBar(
         title: Text(pageTitle),
         centerTitle: true,
+        actions: [
+          PopupMenuButton<int>(
+            icon: Icon(Icons.more_vert),
+            tooltip: moreOptionsText,
+            itemBuilder: (_) => popupMenu.asMap().entries.map((e) => PopupMenuItem(
+              child: Text(e.value.name),
+              value: e.key,
+            )).toList(),
+            onSelected: (index) {
+              popupMenu[index].action?.call(context);
+            },
+          ),
+        ],
       ),
       body: SafeArea(
         child: Center(

lib/utils/iterable_extensions.dart

@@ -0,0 +1,6 @@
+extension ITerableExtensions<T> on Iterable<T> {
+  T? get firstOrNull {
+    final lst = take(1).toList();
+    return lst.isEmpty ? null : lst.first;
+  }
+}

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

pubspec.lock

@@ -140,7 +140,7 @@ packages:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.0.5"
   dart_style:
     dependency: transitive
     description:
@@ -148,6 +148,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   file:
     dependency: transitive
     description:
@@ -174,6 +181,11 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.8.2"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   frontend_server_client:
     dependency: transitive
     description:
@@ -286,6 +298,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.3"
+  package_info_plus_linux:
+    dependency: transitive
+    description:
+      name: package_info_plus_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.5"
+  package_info_plus_macos:
+    dependency: transitive
+    description:
+      name: package_info_plus_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  package_info_plus_web:
+    dependency: transitive
+    description:
+      name: package_info_plus_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.5"
+  package_info_plus_windows:
+    dependency: transitive
+    description:
+      name: package_info_plus_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
@@ -293,6 +347,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.2"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
   pool:
     dependency: transitive
     description:
@@ -315,7 +376,7 @@ packages:
     source: hosted
     version: "1.1.0"
   quiver:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: quiver
       url: "https://pub.dartlang.org"
@@ -438,6 +499,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.5"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.12"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   vector_math:
     dependency: transitive
     description:
@@ -459,6 +576,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.7.0"
   yaml:
     dependency: transitive
     description:
@@ -468,3 +592,4 @@ packages:
     version: "3.1.1"
 sdks:
   dart: ">=2.17.0 <3.0.0"
+  flutter: ">=2.10.0"

pubspec.yaml

@@ -14,7 +14,7 @@ description: O aplicație de vizualizare a datelor puse la dispoziție de Inform
 version: 2.7.4
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.15.0 <3.0.0"
 
 dependencies:
   flutter:
@@ -22,13 +22,15 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-#  cupertino_icons: ^0.1.2
+  cupertino_icons: ^1.0.5
   rxdart: ^0.22.0
   http: ^0.13.0
-  cupertino_icons: ^0.1.2
   tuple: ^2.0.0
   sprintf: ^6.0.0
   flutter_redux: ^0.8.2
+  package_info_plus: ^1.4.3
+  quiver: ^3.1.0
+  url_launcher: ^6.1.5
 
 dev_dependencies:
   # flutter_test:
@@ -49,7 +51,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
+  assets:
+    - CHANGELOG.txt
   #  - images/a_dot_burr.jpeg
   #  - images/a_dot_ham.jpeg