feat: Add license page

lib/components/matrix.dart

@@ -19,7 +19,6 @@ import '../utils/app_route.dart';
 
 class Matrix extends StatefulWidget {
   static const String callNamespace = 'chat.fluffy.jitsi_call';
-  static const String defaultHomeserver = 'tchncs.de';
 
   final Widget child;
 

lib/config/app_config.dart

@@ -0,0 +1,4 @@
+abstract class AppConfig {
+  static const String applicationName = 'FluffyChat';
+  static const String defaultHomeserver = 'matrix.tchncs.de';
+}

lib/views/homeserver_picker.dart

@@ -2,6 +2,7 @@ import 'dart:math';
 
 import 'package:fluffychat/components/dialogs/simple_dialogs.dart';
 import 'package:fluffychat/components/matrix.dart';
+import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/l10n/l10n.dart';
 import 'package:fluffychat/utils/app_route.dart';
 import 'package:fluffychat/utils/sentry_controller.dart';
@@ -12,7 +13,7 @@ class HomeserverPicker extends StatelessWidget {
   Future<void> _setHomeserverAction(BuildContext context) async {
     final homeserver = await SimpleDialogs(context).enterText(
         titleText: L10n.of(context).enterYourHomeserver,
-        hintText: Matrix.defaultHomeserver,
+        hintText: AppConfig.defaultHomeserver,
         prefixText: 'https://',
         keyboardType: TextInputType.url);
     if (homeserver?.isEmpty ?? true) return;
@@ -83,7 +84,7 @@ class HomeserverPicker extends StatelessWidget {
                       style: TextStyle(color: Colors.white, fontSize: 16),
                     ),
                     onPressed: () => _checkHomeserverAction(
-                        Matrix.defaultHomeserver, context),
+                        AppConfig.defaultHomeserver, context),
                   ),
                 ),
               ),
@@ -94,7 +95,7 @@ class HomeserverPicker extends StatelessWidget {
                   opacity: 0.75,
                   child: Text(
                     L10n.of(context).byDefaultYouWillBeConnectedTo(
-                        Matrix.defaultHomeserver),
+                        AppConfig.defaultHomeserver),
                     textAlign: TextAlign.center,
                     style: TextStyle(
                       fontSize: 16,

lib/views/settings.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/components/settings_themes.dart';
+import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/utils/sentry_controller.dart';
 import 'package:fluffychat/views/settings_devices.dart';
 import 'package:flutter/foundation.dart';
@@ -481,8 +482,12 @@ class _SettingsState extends State<Settings> {
             ListTile(
               trailing: Icon(Icons.code),
               title: Text(L10n.of(context).sourceCode),
-              onTap: () => launch(
-                  'https://gitlab.com/ChristianPauly/fluffychat-flutter'),
+              onTap: () => showLicensePage(
+                context: context,
+                applicationIcon:
+                    Image.asset('assets/logo.png', width: 100, height: 100),
+                applicationName: AppConfig.applicationName,
+              ),
             ),
           ],
         ),