create VerticalAnimationHeroPage

Author: AhmedAbdoElhawary

lib/core/widgets/custom_widgets/vertical_animation_hero_page.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+class VerticalAnimationHeroPage extends StatefulWidget {
+  const VerticalAnimationHeroPage({
+    required this.onSwipe,
+    required this.child,
+    super.key,
+  });
+  final VoidCallback onSwipe;
+  final Widget child;
+  @override
+  State<VerticalAnimationHeroPage> createState() =>
+      _VerticalAnimationHeroPageState();
+}
+
+class _VerticalAnimationHeroPageState extends State<VerticalAnimationHeroPage> {
+  final ScrollController controller = ScrollController();
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Listener(
+      onPointerUp: (event) {
+        double offset = controller.offset;
+        if (offset < 0) offset = offset * -1;
+        if (offset > 50) widget.onSwipe();
+      },
+      child: CustomScrollView(
+        physics: const BouncingScrollPhysics(),
+        controller: controller,
+        slivers: [
+          SliverFillRemaining(child: widget.child),
+          const SliverToBoxAdapter(child: SizedBox(height: 1)),
+        ],
+      ),
+    );
+  }
+}