Various Optimizations and Nit Picks

src/Plugin.Maui.KeyListener/KeyboardBehavior.iOS.cs

@@ -47,10 +47,10 @@ protected override void OnDetachedFrom(VisualElement bindable, UIView platformVi
 
 		static Page? GetParentPage(VisualElement element)
 		{
-			if (element is Page)
-				return element as Page;
+			if (element is Page page)
+				return page;
 
-			Element currentElement = element;
+			Element currentElement = element.Parent;
 
 			while (currentElement != null && currentElement is not Page)
 				currentElement = currentElement.Parent;

src/Plugin.Maui.KeyListener/KeyboardMarkupExtensions.cs

@@ -3,20 +3,15 @@
 [ContentProperty(nameof(Modifiers))]
 public sealed class KeyboardModifiersExtension : IMarkupExtension
 {
     public string Modifiers { get; set; }
 
     public object ProvideValue(IServiceProvider serviceProvider)
     {
-        if (Enum.TryParse(typeof(KeyboardModifiers), Modifiers, out var enumValue))
-        {
-            return enumValue;
-        }
-
-        var enumValues = Modifiers.Split(',').Select(flag => flag.Trim());
         var combinedFlag = KeyboardModifiers.None;
 
-        foreach (var flag in enumValues)
+        foreach (var range in MemoryExtensions.Split(Modifiers, ','))
         {
+            var flag = Modifiers.AsSpan()[range].Trim();
             if (Enum.TryParse(typeof(KeyboardModifiers), flag, out var singleFlag))
                 combinedFlag |= (KeyboardModifiers)singleFlag;
         }
@@ -28,7 +23,7 @@
 [ContentProperty(nameof(Keys))]
 public sealed class KeyboardKeysExtension : IMarkupExtension
 {
     public string Keys { get; set; }
 
     public object ProvideValue(IServiceProvider serviceProvider)
     {

src/Plugin.Maui.KeyListener/MauiProgramExtension.cs

@@ -1,24 +1,23 @@
-using Plugin.Maui.KeyListener;
+#if IOS || MACCATALYST
 using Microsoft.Maui.Handlers;
+#endif
 
 namespace Plugin.Maui.KeyListener;
+
 public static class MauiProgramExtensions
 {
 	public static MauiAppBuilder UseKeyListener(this MauiAppBuilder builder)
 	{
 		builder.ConfigureMauiHandlers(handlers =>
 		{
-			#if IOS || MACCATALYST
+#if IOS || MACCATALYST
 				PageHandler.PlatformViewFactory = (handler) =>
 				{
-					if (handler is not PageHandler pageHandler)
-						return null;
-
-					var vc = new KeyboardPageViewController(handler.VirtualView, handler.MauiContext);
-					handler.ViewController = vc;
-					return (Microsoft.Maui.Platform.ContentView)vc.View.Subviews[0];
+					if (handler is PageHandler pageHandler)
+						handler.ViewController = new KeyboardPageViewController(handler.VirtualView, handler.MauiContext);
+					return null; // Fall through to default view creation
 				};
-			#endif
+#endif
 		});
 
 		return builder;