Prepared for dialog implementation

lib/utility/local_storage_service.dart

@@ -11,10 +11,9 @@ class LocalStorageService {
   /// Speichert GameSessions im App-Dokumentenverzeichnis
   static Future<void> saveGameSessions() async {
     try {
-      List<GameSession> sessions = Globals.gameList;
       final file = await _getLocalFile();
-      final jsonList = sessions.map((session) => session.toJson()).toList();
-      await file.writeAsString(json.encode(jsonList));
+      final jsonFile = getJsonFile();
+      await file.writeAsString(jsonFile);
       print('Daten gespeichert');
     } catch (e) {
       print('Fehler beim Speichern: $e');
@@ -49,6 +48,12 @@ class LocalStorageService {
     }
   }
 
+  static String getJsonFile() {
+    final jsonFile =
+        Globals.gameList.map((session) => session.toJson()).toList();
+    return json.encode(jsonFile);
+  }
+
   static Future<File> _getLocalFile() async {
     final directory = await getApplicationDocumentsDirectory();
     final path = '${directory.path}/$_fileName';

lib/views/information_view.dart

@@ -80,7 +80,10 @@ class InformationView extends StatelessWidget {
                             Uri.parse('https://www.github.com/flixcoo')),
                         icon: const Icon(FontAwesomeIcons.github)),
                   ],
-                )
+                ),
+                CupertinoButton(
+                    child: const Text('Spieldaten exportieren'),
+                    onPressed: () => {saveJsonToDevice()})
               ],
             ),
             Positioned(
@@ -112,4 +115,8 @@ class InformationView extends StatelessWidget {
           ],
         )));
   }
+
+  void saveJsonToDevice() async {
+    //todo: implement
+  }
 }