push countdown widget

lib/features/scene/widgets/alert_dialog_countdown.dart

@@ -1,19 +1,36 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
+
 class AlertDialogCountdown extends StatefulWidget {
-  const AlertDialogCountdown({super.key});
+  const AlertDialogCountdown({super.key, required this.durationValue});
+
+  final String durationValue;
 
   @override
   State<AlertDialogCountdown> createState() => _AlertDialogCountdownState();
 }
 
 class _AlertDialogCountdownState extends State<AlertDialogCountdown> {
+  int durationInSeconds = 0;
+  // Convert seconds to Duration.
+  Duration get duration =>
+      Duration(seconds: int.tryParse(widget.durationValue) ?? 0);
   @override
   Widget build(BuildContext context) {
-    return Row(
-      children: [
-        
-      ],
+    return Container(
+      height: 120,
+      color: Colors.white,
+      child: CupertinoTimerPicker(
+        itemExtent: 120,
+        mode: CupertinoTimerPickerMode.hm,
+        initialTimerDuration: duration,
+        onTimerDurationChanged: (newDuration) {
+          setState(() {
+            durationInSeconds = newDuration.inSeconds;
+          });
+        },
+      ),
     );
   }
 }