[iOS] Fix Editor placeholder issues

src/Controls/samples/Controls.Sample/Pages/Controls/EditorPage.xaml

@@ -39,6 +39,20 @@
                     Style="{StaticResource Headline}" />
                 <Editor 
                     Text="Text"/>
+                <Label
+                    Text="FontSize"
+                    Style="{StaticResource Headline}" />
+                <Editor
+                    FontSize="Large"
+                    Placeholder="FontSize (Large)"
+                    Text="FontSize (Large)"/>
+                <Label
+                    Text="CharacterSpacing"
+                    Style="{StaticResource Headline}" />
+                <Editor
+                    CharacterSpacing="4"
+                    Placeholder="CharacterSpacing (4)"
+                    Text="CharacterSpacing (4)"/>
                 <Label
                     Text="ClearButtonVisibility = Never"
                     Style="{StaticResource Headline}" />

src/Core/src/Handlers/Editor/EditorHandler.iOS.cs

@@ -102,8 +102,11 @@ public static void MapText(IEditorHandler handler, IEditor editor)
 		public static void MapTextColor(IEditorHandler handler, IEditor editor) =>
 			handler.PlatformView?.UpdateTextColor(editor);
 
-		public static void MapPlaceholder(IEditorHandler handler, IEditor editor) =>
+		public static void MapPlaceholder(IEditorHandler handler, IEditor editor)
+		{
 			handler.PlatformView?.UpdatePlaceholder(editor);
+			handler.UpdateValue(nameof(IEditor.CharacterSpacing));
+		}
 
 		public static void MapPlaceholderColor(IEditorHandler handler, IEditor editor) =>
 			handler.PlatformView?.UpdatePlaceholderColor(editor);

src/Core/src/Platform/iOS/MauiTextView.cs

@@ -15,13 +15,15 @@ public class MauiTextView : UITextView
 		public MauiTextView()
 		{
 			_placeholderLabel = InitPlaceholderLabel();
+			UpdatePlaceholderLabelFrame();
 			Changed += OnChanged;
 		}
 
 		public MauiTextView(CGRect frame)
 			: base(frame)
 		{
 			_placeholderLabel = InitPlaceholderLabel();
+			UpdatePlaceholderLabelFrame();
 			Changed += OnChanged;
 		}
 
@@ -112,6 +114,8 @@ public override NSAttributedString AttributedText
 		public override void LayoutSubviews()
 		{
 			base.LayoutSubviews();
+
+			UpdatePlaceholderLabelFrame();
 			ShouldCenterVertically();
 		}
 
@@ -126,13 +130,20 @@ UILabel InitPlaceholderLabel()
 
 			AddSubview(placeholderLabel);
 
-			var edgeInsets = TextContainerInset;
-			var lineFragmentPadding = TextContainer.LineFragmentPadding;
+			return placeholderLabel;
+		}
 
-			placeholderLabel.TextInsets = new UIEdgeInsets(edgeInsets.Top, edgeInsets.Left + lineFragmentPadding,
-				edgeInsets.Bottom, edgeInsets.Right + lineFragmentPadding);
+		void UpdatePlaceholderLabelFrame()
+		{
+			if (Bounds != CGRect.Empty && _placeholderLabel is not null)
+			{
+				var x = TextContainer.LineFragmentPadding;
+				var y = TextContainerInset.Top;
+				var width = Bounds.Width - (x * 2);
+				var height = Frame.Height - (TextContainerInset.Top + TextContainerInset.Bottom);
 
-			return placeholderLabel;
+				_placeholderLabel.Frame = new CGRect(x, y, width, height);
+			}
 		}
 
 		void HidePlaceholderIfTextIsPresent(string? value)

src/Core/tests/DeviceTests/Handlers/Editor/EditorHandlerTests.iOS.cs

@@ -101,6 +101,31 @@ public async Task PlaceholderHiddenWhenControlHasAttributedText()
 			Assert.True(isHidden);
 		}
 
+		[Fact(DisplayName = "Placeholder CharacterSpacing Initializes Correctly")]
+		public async Task PlaceholderCharacterSpacingInitializesCorrectly()
+		{
+			string originalText = "Test";
+			var xplatCharacterSpacing = 4;
+
+			var editor = new EditorStub()
+			{
+				CharacterSpacing = xplatCharacterSpacing,
+				Placeholder = originalText
+			};
+
+			var values = await GetValueAsync(editor, (handler) =>
+			{
+				return new
+				{
+					ViewValue = editor.CharacterSpacing,
+					PlatformViewValue = GetNativePlaceholderCharacterSpacing(handler)
+				};
+			});
+
+			Assert.Equal(xplatCharacterSpacing, values.ViewValue);
+			Assert.Equal(xplatCharacterSpacing, values.PlatformViewValue);
+		}
+
 		[Fact(DisplayName = "CharacterSpacing Initializes Correctly")]
 		public async Task CharacterSpacingInitializesCorrectly()
 		{
@@ -222,6 +247,11 @@ double GetNativeCharacterSpacing(EditorHandler editorHandler)
 			return editor.AttributedText.GetCharacterSpacing();
 		}
 
+		double GetNativePlaceholderCharacterSpacing(EditorHandler editorHandler)
+		{
+			return GetNativePlaceholder(editorHandler).AttributedText.GetCharacterSpacing();
+		}
+
 		double GetNativeUnscaledFontSize(EditorHandler editorHandler) =>
 			GetNativeEditor(editorHandler).Font.PointSize;