fix: handle error for incorrect url in scanner_users.json

build.sh

@@ -1,3 +1,4 @@
 #!/bin/bash
 
 flutter build appbundle --release
+flutter build apk --release

lib/service/login_user.dart

@@ -43,6 +43,9 @@ Future<List<LoginUser>> getLoginUsers() async {
   if (service.get<bool>('use_custom_user_url')!) {
     url = service.get<String>('custom_user_url')!;
   }
+  if (url == "") {
+    return List<LoginUser>.empty();
+  }
   final response = await http.get(Uri.parse(url), headers: {
     HttpHeaders.contentTypeHeader: 'application/json; charset=UTF-8',
     HttpHeaders.acceptHeader: 'application/json',

lib/widgets/login.dart

@@ -1,4 +1,3 @@
-
 import 'package:flutter/material.dart';
 import 'package:http/http.dart';
 import 'package:provider/provider.dart';
@@ -120,6 +119,12 @@ class LoginWidgetState extends ScanAwareState<LoginWidget> {
         _errorText = "$message ${err.body}";
       });
       return;
+    } on ArgumentError catch (err) {
+      var message = "Ein Fehler ist aufgetreten: $err";
+      setState(() {
+        _errorText = message;
+      });
+      return;
     } catch (err) {
       setState(() {
         _errorText = err.toString();

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.4.4+21
+version: 1.4.5+22
 
 environment:
   sdk: ">=3.0.0"