Remove generator (temporarily), as Rider does not like it.

src/Models/AnchorDetent.cs

@@ -1,18 +1,43 @@
-using Maui.BindableProperty.Generator.Core;
+namespace The49.Maui.BottomSheet;
 
-namespace The49.Maui.BottomSheet;
+#if ANDROID
+using AView = Android.Views.View;
+#elif IOS
+using UIKit;
+#endif
 
-public partial class AnchorDetent: Detent
+public class AnchorDetent: Detent
 {
-    double _height = 0;
-#pragma warning disable CS0169
-    [AutoBindable]
-    readonly VisualElement anchor;
-#pragma warning restore CS0169
+    public static readonly BindableProperty AnchorProperty = BindableProperty.Create(nameof(Anchor), typeof(VisualElement), typeof(AnchorDetent));
+
+    public VisualElement Anchor
+    {
+        get => (VisualElement)GetValue(AnchorProperty);
+        set => SetValue(AnchorProperty, value);
+    }
+
+    double _height;
 
     public override double GetHeight(BottomSheet page, double maxSheetHeight)
     {
-        UpdateHeight(page, maxSheetHeight);
+        if (Anchor == null)
+            throw new Exception("Could not update Detent height: Anchor is not set");
+
+#if ANDROID
+        var p = ((AView)Anchor.Handler.PlatformView).GetLocationOnScreen();
+        var r = ((AView)page.Handler.PlatformView).GetLocationOnScreen();
+
+        var offset = p - r;
+        _height = offset.Height / DeviceDisplay.MainDisplayInfo.Density;
+
+#elif IOS
+        var pageView = (UIView)page.Handler.PlatformView;
+        var targetView = (UIView)Anchor.Handler.PlatformView;
+        var targetOrigin = targetView.Superview.ConvertPointToView(targetView.Frame.Location, pageView);
+
+        _height = targetOrigin.Y;
+#endif
+
         return _height;
     }
 }

src/Models/ContentDetent.cs

@@ -1,6 +1,6 @@
 namespace The49.Maui.BottomSheet;
 
-public partial class ContentDetent : Detent
+public class ContentDetent : Detent
 {
     public override double GetHeight(BottomSheet page, double maxSheetHeight)
     {

src/Models/Detent.cs

@@ -1,16 +1,21 @@
-using Maui.BindableProperty.Generator.Core;
+namespace The49.Maui.BottomSheet;
 
-namespace The49.Maui.BottomSheet;
-
-public abstract partial class Detent : BindableObject
+public abstract class Detent : BindableObject
 {
-#pragma warning disable CS0169
-    [AutoBindable(DefaultValue = "true")]
-    readonly bool isEnabled;
+    public static readonly BindableProperty IsEnabledProperty = BindableProperty.Create(nameof(IsEnabled), typeof(bool), typeof(Detent), defaultValue: true);
+    public static readonly BindableProperty IsDefaultProperty = BindableProperty.Create(nameof(IsDefault), typeof(bool), typeof(Detent));
 
-    [AutoBindable]
-    readonly bool isDefault;
-#pragma warning restore CS0169
+    public bool IsEnabled
+    {
+        get => (bool)GetValue(IsEnabledProperty);
+        set => SetValue(IsEnabledProperty, value);
+    }
+
+    public bool IsDefault
+    {
+        get => (bool)GetValue(IsDefaultProperty);
+        set => SetValue(IsDefaultProperty, value);
+    }
 
     public abstract double GetHeight(BottomSheet page, double maxSheetHeight);
 }

src/Models/FullscreenDetent.cs

@@ -1,6 +1,6 @@
 namespace The49.Maui.BottomSheet;
 
-public partial class FullscreenDetent : Detent
+public class FullscreenDetent : Detent
 {
     public override double GetHeight(BottomSheet page, double maxSheetHeight)
     {

src/Models/HeightDetent.cs

@@ -1,14 +1,16 @@
-using Maui.BindableProperty.Generator.Core;
-
-namespace The49.Maui.BottomSheet;
+namespace The49.Maui.BottomSheet;
 
 [ContentProperty(nameof(Height))]
-public partial class HeightDetent : Detent
+public class HeightDetent : Detent
 {
-#pragma warning disable CS0169
-    [AutoBindable]
-    readonly double height;
-#pragma warning restore CS0169
+    public static readonly BindableProperty HeightProperty = BindableProperty.Create(nameof(Height), typeof(double), typeof(HeightDetent), defaultValue: 0.0);
+
+    public double Height
+    {
+        get => (double)GetValue(HeightProperty);
+        set => SetValue(HeightProperty, value);
+    }
+
     public override double GetHeight(BottomSheet page, double maxSheetHeight)
     {
         return Height;

src/Models/RatioDetent.cs

@@ -1,14 +1,16 @@
-using Maui.BindableProperty.Generator.Core;
-
-namespace The49.Maui.BottomSheet;
+namespace The49.Maui.BottomSheet;
 
 [ContentProperty(nameof(Ratio))]
-public partial class RatioDetent : Detent
+public class RatioDetent : Detent
 {
-#pragma warning disable CS0169
-    [AutoBindable]
-    readonly float ratio;
-#pragma warning restore CS0169
+    public static readonly BindableProperty RatioProperty = BindableProperty.Create(nameof(Ratio), typeof(float), typeof(RatioDetent), defaultValue: 0f);
+
+    public float Ratio
+    {
+        get => (float)GetValue(RatioProperty);
+        set => SetValue(RatioProperty, value);
+    }
+
     public override double GetHeight(BottomSheet page, double maxSheetHeight)
     {
         return maxSheetHeight * Ratio;

src/Platforms/Android/BottomSheetController.cs

@@ -1,4 +1,6 @@
-using Android.Views;
+#define USE_MATERIAL3
+
+using Android.Views;
 using Microsoft.Maui.Platform;
 using Google.Android.Material.BottomSheet;
 using Android.Widget;
@@ -351,7 +353,7 @@ public void UpdateHandleColor()
         }
     }
 
-    static void EnsureStayOnFrontView(Context context)
+    private void EnsureStayOnFrontView(Context context)
     {
         if (_stayOnFront is null || !_stayOnFront.IsAttachedToWindow)
         {
@@ -378,7 +380,13 @@ void EnsureWindowContainer()
                 SoundEffectsEnabled = false
             };
 
-            var bottomSheet = new FrameLayout(_mauiContext.Context, null, 0, Resource.Style.Widget_Material3_BottomSheet_Modal)
+#if USE_MATERIAL3
+            var frameStyle = Resource.Style.Widget_Material3_BottomSheet_Modal;
+#else
+            var frameStyle = Resource.Style.Widget_MaterialComponents_BottomSheet_Modal;
+#endif
+
+            var bottomSheet = new FrameLayout(_mauiContext.Context, null, 0, frameStyle)
             {
                 LayoutParameters =  new CoordinatorLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent)
                 {