Merge pull request #1022 from DhruvSingh19/fix/dead-screen-fix

Fix: Dead-Screen Issue is fixed

lib/screens/measurement_entries_screen.dart

@@ -19,7 +19,9 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:wger/core/wide_screen_wrapper.dart';
+import 'package:wger/exceptions/no_such_entry_exception.dart';
 import 'package:wger/l10n/generated/app_localizations.dart';
+import 'package:wger/models/measurements/measurement_category.dart';
 import 'package:wger/providers/measurement.dart';
 import 'package:wger/screens/form_screen.dart';
 import 'package:wger/widgets/measurements/entries.dart';
@@ -38,7 +40,19 @@ class MeasurementEntriesScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final categoryId = ModalRoute.of(context)!.settings.arguments as int;
-    final category = Provider.of<MeasurementProvider>(context).findCategoryById(categoryId);
+    final provider = Provider.of<MeasurementProvider>(context);
+    MeasurementCategory? category;
+
+    try {
+      category = provider.findCategoryById(categoryId);
+    } on NoSuchEntryException {
+      Future.microtask(() {
+        if (context.mounted && Navigator.of(context).canPop()) {
+          Navigator.of(context).pop();
+        }
+      });
+      return const SizedBox(); // Return empty widget until pop happens
+    }
 
     return Scaffold(
       appBar: AppBar(
@@ -65,7 +79,7 @@ class MeasurementEntriesScreen extends StatelessWidget {
                     builder: (BuildContext contextDialog) {
                       return AlertDialog(
                         content: Text(
-                          AppLocalizations.of(context).confirmDelete(category.name),
+                          AppLocalizations.of(context).confirmDelete(category!.name),
                         ),
                         actions: [
                           TextButton(
@@ -84,11 +98,12 @@ class MeasurementEntriesScreen extends StatelessWidget {
                               Provider.of<MeasurementProvider>(
                                 context,
                                 listen: false,
-                              ).deleteCategory(category.id!);
-
+                              ).deleteCategory(category!.id!);
                               // Close the popup
                               Navigator.of(contextDialog).pop();
 
+                              Navigator.of(context).pop(); // Exit detail screen
+
                               // and inform the user
                               ScaffoldMessenger.of(context).showSnackBar(
                                 SnackBar(
@@ -138,7 +153,7 @@ class MeasurementEntriesScreen extends StatelessWidget {
       body: WidescreenWrapper(
         child: SingleChildScrollView(
           child: Consumer<MeasurementProvider>(
-            builder: (context, provider, child) => EntriesList(category),
+            builder: (context, provider, child) => EntriesList(category!),
           ),
         ),
       ),