Added null safety

lib/l10n/arb/app_de.arb

@@ -17,11 +17,14 @@
   "back": "Zurück",
 
   "home": "Home",
+
   "about": "Über",
   "licenses": "Lizenzen",
   "license_details": "Lizenzdetails",
+  "no_license_text": "Keine Lizenz verfügbar",
   "imprint": "Impressum",
 
+
   "empty_text_1": "Ganz schön leer hier...",
   "empty_text_2": "Füge über den Button oben rechts eine neue Runde hinzu",
   "delete_game_title": "Spiel löschen?",

lib/l10n/arb/app_en.arb

@@ -17,10 +17,13 @@
   "back": "Back",
 
   "home": "Home",
+
   "about": "About",
   "licenses": "Licenses",
   "license_details": "License Details",
   "imprint": "Imprint",
+  "no_license_text": "No license available",
+
 
 
   "empty_text_1": "Pretty empty here...",

lib/l10n/generated/app_localizations.dart

@@ -206,6 +206,12 @@ abstract class AppLocalizations {
   /// **'Lizenzdetails'**
   String get license_details;
 
+  /// No description provided for @no_license_text.
+  ///
+  /// In de, this message translates to:
+  /// **'Keine Lizenz verfügbar'**
+  String get no_license_text;
+
   /// No description provided for @imprint.
   ///
   /// In de, this message translates to:

lib/l10n/generated/app_localizations_de.dart

@@ -62,6 +62,9 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get license_details => 'Lizenzdetails';
 
+  @override
+  String get no_license_text => 'Keine Lizenz verfügbar';
+
   @override
   String get imprint => 'Impressum';
 

lib/l10n/generated/app_localizations_en.dart

@@ -62,6 +62,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get license_details => 'License Details';
 
+  @override
+  String get no_license_text => 'No license available';
+
   @override
   String get imprint => 'Imprint';
 

lib/presentation/views/about/licenses/license_view.dart

@@ -37,7 +37,8 @@ class LicenseView extends StatelessWidget {
                       CupertinoPageRoute(
                         builder: (_) => LicenseDetailView(
                           title: ossLicenses[index].name,
-                          license: ossLicenses[index].license!,
+                          license: ossLicenses[index].license ??
+                              AppLocalizations.of(context).no_license_text,
                         ),
                       ),
                     );