feat: Display version number in app

lib/utils/platform_infos.dart

@@ -1,6 +1,12 @@
 import 'dart:io';
 
 import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:package_info/package_info.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+import '../app_config.dart';
 
 abstract class PlatformInfos {
   static bool get isWeb => kIsWeb;
@@ -18,4 +24,32 @@ abstract class PlatformInfos {
       !kIsWeb && (Platform.isLinux || Platform.isWindows || Platform.isMacOS);
 
   static bool get usesTouchscreen => !isMobile;
+
+  static Future<String> getVersion() async {
+    var version = kIsWeb ? 'Web' : 'Unknown';
+    try {
+      version = (await PackageInfo.fromPlatform()).version;
+    } catch (_) {}
+    return version;
+  }
+
+  static void showDialog(BuildContext context) async {
+    var version = await PlatformInfos.getVersion();
+    showAboutDialog(
+      context: context,
+      children: [
+        Text('Version: $version'),
+        RaisedButton(
+          child: Text(L10n.of(context).sourceCode),
+          onPressed: () => launch(AppConfig.sourceCodeUrl),
+        ),
+        RaisedButton(
+          child: Text(L10n.of(context).help),
+          onPressed: () => launch(AppConfig.supportUrl),
+        ),
+      ],
+      applicationIcon: Image.asset('assets/logo.png', width: 100, height: 100),
+      applicationName: AppConfig.applicationName,
+    );
+  }
 }

lib/views/homeserver_picker.dart

@@ -4,6 +4,7 @@ import 'package:adaptive_page_layout/adaptive_page_layout.dart';
 import 'package:fluffychat/components/matrix.dart';
 import 'package:fluffychat/app_config.dart';
 import 'package:fluffychat/components/sentry_switch_list_tile.dart';
+import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:flushbar/flushbar_helper.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:flutter/material.dart';
@@ -136,22 +137,7 @@ class _HomeserverPickerState extends State<HomeserverPicker> {
                         fontSize: 16,
                       ),
                     ),
-                    onPressed: () => showAboutDialog(
-                      context: context,
-                      children: [
-                        RaisedButton(
-                          child: Text(L10n.of(context).sourceCode),
-                          onPressed: () => launch(AppConfig.sourceCodeUrl),
-                        ),
-                        RaisedButton(
-                          child: Text(L10n.of(context).help),
-                          onPressed: () => launch(AppConfig.supportUrl),
-                        ),
-                      ],
-                      applicationIcon: Image.asset('assets/logo.png',
-                          width: 100, height: 100),
-                      applicationName: AppConfig.applicationName,
-                    ),
+                    onPressed: () => PlatformInfos.showDialog(context),
                   ),
                   FlatButton(
                     padding: EdgeInsets.all(8),

lib/views/settings.dart

@@ -578,21 +578,16 @@ class _SettingsState extends State<Settings> {
               title: Text(L10n.of(context).privacy),
               onTap: () => launch(AppConfig.privacyUrl),
             ),
-            ListTile(
-              trailing: Icon(Icons.link_outlined),
-              title: Text(L10n.of(context).license),
-              onTap: () => showLicensePage(
-                context: context,
-                applicationIcon:
-                    Image.asset('assets/logo.png', width: 100, height: 100),
-                applicationName: AppConfig.applicationName,
-              ),
-            ),
             ListTile(
               trailing: Icon(Icons.code_outlined),
               title: Text(L10n.of(context).sourceCode),
               onTap: () => launch(AppConfig.sourceCodeUrl),
             ),
+            ListTile(
+              trailing: Icon(Icons.link_outlined),
+              title: Text(L10n.of(context).about),
+              onTap: () => PlatformInfos.showDialog(context),
+            ),
           ],
         ),
       ),

pubspec.lock

@@ -705,12 +705,12 @@ packages:
     source: hosted
     version: "1.9.3"
   package_info:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: package_info
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3"
+    version: "0.4.3+2"
   password_hash:
     dependency: transitive
     description:

pubspec.yaml

@@ -68,6 +68,7 @@ dependencies:
   open_noti_settings: ^0.0.4
   emoji_picker: ^0.1.0
   future_loading_dialog: ^0.1.2
+  package_info: ^0.4.3+2
 
 dev_dependencies:
   flutter_test: