Fehlerkorrekturen und Erweiterungen

lib/popups/tasks_popups/receipt_giver_popup.dart

@@ -17,11 +17,17 @@ showReceiptGiverPopup(BuildContext context, TaskInfo taskInfo, Function(String,
   await showDialog(
       context: context,
       builder: (BuildContext context) {
-        return WillPopScope(
-            onWillPop: () async {
-          return await taskDialogSecurityException(context);
-        },
-        child: AlertDialog(
+        return PopScope(
+            canPop: false,
+            onPopInvoked: (bool didPop) async {
+              if (!didPop) {
+                final shouldPop = await taskDialogSecurityException(context);
+                if (shouldPop && context.mounted) {
+                  Navigator.of(context).pop();
+                }
+              }
+            },
+            child: AlertDialog(
             contentPadding: EdgeInsets.zero,
             shadowColor: Colors.transparent,
             backgroundColor: Colors.white,