CarouselViewRenderer Position Fix for Android

CarouselViewRendererFix.cs

using Android.Support.V7.Widget;
using System;
using System.Reflection;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;

[assembly: ExportRenderer(typeof(CarouselView), typeof(Apm.Mobile.Common.Droid.Renderers.CarouselViewRendererFix))]
namespace Apm.Mobile.Common.Droid.Renderers
{
    // this is an implementation of this pull request: https://github.com/xamarin/Xamarin.Forms.CarouselView/pull/13/files
    public class CarouselViewRendererFix : Xamarin.Forms.Platform.CarouselViewRenderer
    {
        private Type _layoutManagerType;
        private MethodInfo _layoutManagerResetMethod;
        private FieldInfo _layoutManagerPositionOriginField;

        protected RecyclerView.LayoutManager LayoutManager => Control?.GetLayoutManager();

        protected Type LayoutManagerType
        {
            get
            {
                if ( _layoutManagerType == null )
                {
                    _layoutManagerType = LayoutManager?.GetType();
                }
                return _layoutManagerType;
            }
        }

        protected MethodInfo LayoutManagerResetMethod
        {
            get
            {
                if (_layoutManagerResetMethod == null)
                {
                    _layoutManagerResetMethod = LayoutManagerType?.GetMethod("Reset", BindingFlags.NonPublic | BindingFlags.Instance);
                }
                return _layoutManagerResetMethod;
            }
        }

        protected FieldInfo LayoutManagerPositionOriginField
        {
            get
            {
                if (_layoutManagerPositionOriginField == null)
                {
                    _layoutManagerPositionOriginField = LayoutManagerType?.GetField("_positionOrigin", BindingFlags.NonPublic | BindingFlags.Instance);
                }
                return _layoutManagerPositionOriginField;
            }

        }

        public int CurrentLayoutManagerPosition => (int?)LayoutManagerPositionOriginField?.GetValue(LayoutManager) ?? 0;

        protected void ResetLayoutManager(int position)
        {
            if (CurrentLayoutManagerPosition != position)
            {
                var parameters = new object[1];
                parameters[0] = position;
                LayoutManagerResetMethod?.Invoke(LayoutManager, parameters);
            }
        }
        

        protected override void OnLayout(bool changed, int left, int top, int right, int bottom)
        {
            base.OnLayout(changed, left, top, right, bottom);
            ResetLayoutManager(Element.Position);
        }
    }
}