handle deleting instances

Author: AhmedAbdoElhawary

lib/features/sorting/radix/view/radix_sort_page.dart

@@ -9,20 +9,14 @@ final _notifierProvider = StateNotifierProvider<SortingNotifier, SortingNotifier
   (ref) => RadixSortNotifier(),
 );
 
-class RadixSortPage extends ConsumerStatefulWidget {
+class RadixSortPage extends StatefulWidget {
   const RadixSortPage({super.key});
 
   @override
-  ConsumerState<RadixSortPage> createState() => _RadixSortPageState();
+  State<RadixSortPage> createState() => _RadixSortPageState();
 }
 
-class _RadixSortPageState extends ConsumerState<RadixSortPage> {
-  @override
-  void deactivate() {
-    ref.invalidate(_notifierProvider); // deletes current instance and resets
-    super.deactivate();
-  }
-
+class _RadixSortPageState extends State<RadixSortPage> {
   @override
   Widget build(BuildContext context) {
     return SortingPage(instance: _notifierProvider, title: StringsManager.radixSort);

lib/features/sorting/selection/view/selection_sort_page.dart

@@ -9,20 +9,14 @@ final _notifierProvider = StateNotifierProvider<SortingNotifier, SortingNotifier
       (ref) => SelectionSortNotifier(),
 );
 
-class SelectionSortPage extends ConsumerStatefulWidget {
+class SelectionSortPage extends StatefulWidget {
   const SelectionSortPage({super.key});
 
   @override
-  ConsumerState<SelectionSortPage> createState() => _SelectionSortPageState();
+  State<SelectionSortPage> createState() => _SelectionSortPageState();
 }
 
-class _SelectionSortPageState extends ConsumerState<SelectionSortPage> {
-  @override
-  void deactivate() {
-    ref.invalidate(_notifierProvider); // deletes current instance and resets
-    super.deactivate();
-  }
-
+class _SelectionSortPageState extends State<SelectionSortPage> {
   @override
   Widget build(BuildContext context) {
     return SortingPage(instance: _notifierProvider,title: StringsManager.selectionSort);