some more exception handling#

lib/configuration.dart

@@ -195,6 +195,7 @@ class _MyHomePageState extends State<Configuration> {
 
                           HapticFeedback.vibrate();
                           //TODO: display success user feedback
+                          //TODO: store complete "configuration"
                         } catch (e) {
                           throw Exception('Something went wrong try again');
                         }

lib/overview.dart

@@ -13,7 +13,7 @@ class Overview extends StatelessWidget {
               const SizedBox(height: 10),
               Expanded(
                 child: ElevatedButton(
-                  child: const Text('Add Event', style: TextStyle(fontSize: 22)),
+                  child: const Text('Add Event', style: TextStyle(fontSize: 36)),
                   onPressed: () {
                     Navigator.pushNamed(context, '/second');
                   },
@@ -22,7 +22,7 @@ class Overview extends StatelessWidget {
               const SizedBox(height: 10),
               Expanded(
                 child: ElevatedButton(
-                  child: const Text('View and Sync', style: TextStyle(fontSize: 22)),
+                  child: const Text('View & Sync', style: TextStyle(fontSize: 36)),
                   onPressed: () {
                     Navigator.pushNamed(context, '/third');
                   },
@@ -31,7 +31,7 @@ class Overview extends StatelessWidget {
               const SizedBox(height: 10),
               Expanded(
                 child: ElevatedButton(
-                  child: const Text('Configuration', style: TextStyle(fontSize: 22)),
+                  child: const Text('Configuration', style: TextStyle(fontSize: 36)),
                   onPressed: () {
                     Navigator.pushNamed(context, '/forth');
                   },

lib/viewevents.dart

 import 'dart:convert';
+import 'dart:io';
 import 'package:flutter/material.dart';
 import 'datamodel.dart';
 import 'package:http/http.dart' as http;
@@ -57,6 +58,9 @@ class _ViewEvents extends State<ViewEvents> {
           }
           _sync_status = 'export success';
         }
+      } on SocketException catch (e) {
+        _sync_status = 'No connection';
+        setState(() {});
       } catch (e) {
         debugPrint('Exception: $e');
         _sync_status = '$e';