Fix memory leaks from missing event unsubscriptions

CHANGELOG.md

@@ -1,3 +1,8 @@
+## [55.2.3]
+- [iOS][SearchBar] Fixed memory leak where `SearchButtonClicked` event was never unsubscribed due to wrong event name in cleanup
+- [iOS][Camera] Fixed memory leak where `PreviewView.OnTapToFocus` event was never unsubscribed when stopping camera session
+- [SlidableLayout] Fixed memory leak where `TapGestureRecognizer.Tapped` event was never unsubscribed due to missing field reference
+
 ## [55.2.2]
 - [iOS26][Tip] Added more padding.
 

src/library/DIPS.Mobile.UI/API/Camera/Shared/iOS/CameraSession.cs

@@ -78,6 +78,7 @@ await Task.Run(() =>
         if (PreviewView is not null)
         {
             PreviewView.OnZoomChanged -= PreviewViewOnZoomChanged;
+            PreviewView.OnTapToFocus -= PreviewViewOnOnTapToFocus;
             PreviewView?.Dispose();
             PreviewView = null;
         }

src/library/DIPS.Mobile.UI/Components/Searching/iOS/SearchBarHandler.cs

@@ -224,7 +224,7 @@ private void OnSearchButtonClicked(object? sender, EventArgs e)
     private void UnSubscribeToEvents(DuiSearchBar platformView)
     {
         platformView.CancelButtonClicked -= OnCancelButtonClicked;
-        platformView.CancelButtonClicked -= OnSearchButtonClicked;
+        platformView.SearchButtonClicked -= OnSearchButtonClicked;
         platformView.TextChanged -= OnSearchTextChanged;
 
         if (platformView.SearchTextField.ValueForKey(new NSString("_clearButton")) is UIButton clearButton)

src/library/DIPS.Mobile.UI/Components/Slidable/SlidableLayout.cs

@@ -8,6 +8,7 @@ namespace DIPS.Mobile.UI.Components.Slidable
     public abstract partial class SlidableLayout : ContentView
     {
         private readonly PanGestureRecognizer m_panGestureRecognizer;
+        private readonly TapGestureRecognizer m_tapGestureRecognizer;
         private readonly AccelerationService m_accelerator = new(true);
         private int m_lastId = -2; // Different than default of SlideProperties
         private double m_startSlideLocation;
@@ -37,9 +38,9 @@ public SlidableLayout()
 
             m_panGestureRecognizer.PanUpdated += PanGestureRecognizerPanUpdated;
 
-            var tapGestureRecognizer = new TapGestureRecognizer();
-            GestureRecognizers.Add(tapGestureRecognizer);
-            tapGestureRecognizer.Tapped += OnEntireLayoutTapped;
+            m_tapGestureRecognizer = new TapGestureRecognizer();
+            GestureRecognizers.Add(m_tapGestureRecognizer);
+            m_tapGestureRecognizer.Tapped += OnEntireLayoutTapped;
 
             m_currentOrientation = DeviceDisplay.MainDisplayInfo.Orientation;
         }
@@ -296,6 +297,7 @@ protected override void OnHandlerChanging(HandlerChangingEventArgs args)
             if (args.NewHandler is null)
             {
                 m_panGestureRecognizer.PanUpdated -= PanGestureRecognizerPanUpdated;
+                m_tapGestureRecognizer.Tapped -= OnEntireLayoutTapped;
             }
         }
     }