fix-33333-Changes committed.

BagavathiPerumal · BagavathiPerumal · commit b009ee49f1fa · 2026-02-13T17:15:34.000+05:30
diff --git a/src/Controls/src/Core/Handlers/Items/Android/RecyclerViewScrollListener.cs b/src/Controls/src/Core/Handlers/Items/Android/RecyclerViewScrollListener.cs
@@ -12,6 +12,7 @@ public class RecyclerViewScrollListener<TItemsView, TItemsViewSource> : Recycler
 		int _horizontalOffset, _verticalOffset;
 		TItemsView _itemsView;
 		readonly bool _getCenteredItemOnXAndY = false;
+		bool _hasCompletedFirstLayout = false;
 
 		public RecyclerViewScrollListener(TItemsView itemsView, ItemsViewAdapter<TItemsView, TItemsViewSource> itemsViewAdapter) : this(itemsView, itemsViewAdapter, false)
 		{
@@ -28,6 +29,8 @@ public RecyclerViewScrollListener(TItemsView itemsView, ItemsViewAdapter<TItemsV
 		internal void UpdateAdapter(ItemsViewAdapter<TItemsView, TItemsViewSource> itemsViewAdapter)
 		{
 			ItemsViewAdapter = itemsViewAdapter;
+			// Reset flag when adapter changes to handle ItemsSource updates
+			_hasCompletedFirstLayout = false;
 		}
 
 		public override void OnScrolled(RecyclerView recyclerView, int dx, int dy)
@@ -41,12 +44,17 @@ public override void OnScrolled(RecyclerView recyclerView, int dx, int dy)
 			_horizontalOffset += dx;
 			_verticalOffset += dy;
 
-			// Prevent the Scrolled event from firing on initial page load while allowing it for ItemsSource changes.
-			if (!recyclerView.IsLaidOut && dx == 0 && dy == 0)
+			// Prevent the Scrolled event from firing on the very first layout callback only.
+			// This is the initial OnScrolled(0,0) call when the view is first laid out.
+			// After that, layout is marked as complete and all subsequent scroll events are allowed.
+			if (!_hasCompletedFirstLayout && !recyclerView.IsLaidOut && dx == 0 && dy == 0)
 			{
 				return;
 			}
 
+			// Mark that first layout has been processed - all future scrolls should fire events
+			_hasCompletedFirstLayout = true;
+
 			var (First, Center, Last) = GetVisibleItemsIndex(recyclerView);
 			var itemsViewScrolledEventArgs = new ItemsViewScrolledEventArgs
 			{

Original file line number	Diff line number	Diff line change
`@@ -12,6 +12,7 @@ public class RecyclerViewScrollListener<TItemsView, TItemsViewSource> : Recycler`
`12`	`12`	`int _horizontalOffset, _verticalOffset;`
`13`	`13`	`TItemsView _itemsView;`
`14`	`14`	`readonly bool _getCenteredItemOnXAndY = false;`
	`15`	`+ bool _hasCompletedFirstLayout = false;`
`15`	`16`
`16`	`17`	`public RecyclerViewScrollListener(TItemsView itemsView, ItemsViewAdapter<TItemsView, TItemsViewSource> itemsViewAdapter) : this(itemsView, itemsViewAdapter, false)`
`17`	`18`	`{`
`@@ -28,6 +29,8 @@ public RecyclerViewScrollListener(TItemsView itemsView, ItemsViewAdapter<TItemsV`
`28`	`29`	`internal void UpdateAdapter(ItemsViewAdapter<TItemsView, TItemsViewSource> itemsViewAdapter)`
`29`	`30`	`{`
`30`	`31`	`ItemsViewAdapter = itemsViewAdapter;`
	`32`	`+ // Reset flag when adapter changes to handle ItemsSource updates`
	`33`	`+ _hasCompletedFirstLayout = false;`
`31`	`34`	`}`
`32`	`35`
`33`	`36`	`public override void OnScrolled(RecyclerView recyclerView, int dx, int dy)`
`@@ -41,12 +44,17 @@ public override void OnScrolled(RecyclerView recyclerView, int dx, int dy)`
`41`	`44`	`_horizontalOffset += dx;`
`42`	`45`	`_verticalOffset += dy;`
`43`	`46`
`44`		`- // Prevent the Scrolled event from firing on initial page load while allowing it for ItemsSource changes.`
`45`		`- if (!recyclerView.IsLaidOut && dx == 0 && dy == 0)`
	`47`	`+ // Prevent the Scrolled event from firing on the very first layout callback only.`
	`48`	`+ // This is the initial OnScrolled(0,0) call when the view is first laid out.`
	`49`	`+ // After that, layout is marked as complete and all subsequent scroll events are allowed.`
	`50`	`+ if (!_hasCompletedFirstLayout && !recyclerView.IsLaidOut && dx == 0 && dy == 0)`
`46`	`51`	`{`
`47`	`52`	`return;`
`48`	`53`	`}`
`49`	`54`
	`55`	`+ // Mark that first layout has been processed - all future scrolls should fire events`
	`56`	`+ _hasCompletedFirstLayout = true;`
	`57`	`+`
`50`	`58`	`var (First, Center, Last) = GetVisibleItemsIndex(recyclerView);`
`51`	`59`	`var itemsViewScrolledEventArgs = new ItemsViewScrolledEventArgs`
`52`	`60`	`{`