Frame Renderer class

RoundedCornerFrameRenderer.cs

using System;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;
using System.ComponentModel;
using Android.Graphics;
using Android.Graphics.Drawables;
using AButton = Android.Widget.Button;
using ACanvas = Android.Graphics.Canvas;
using GlobalResource = Android.Resource;

[assembly: ExportRenderer(typeof(RoundCornerFrame), typeof(RoundedCornerFrameRenderer))]
namespace FrameBugPoc.Droid 
{
 public class RoundedCornerFrameRenderer : FrameRenderer
 {  
  protected override void OnElementChanged(ElementChangedEventArgs<Frame> e)
    {
    base.OnElementChanged(e);
     
     if (e.NewElement != null && e.OldElement == null)
     {
	    this.SetBackgroundResource(Resource.Drawable.rounded_corner_background);
	    GradientDrawable drawable = (GradientDrawable)this.Background;
	    drawable.SetColor(Android.Graphics.Color.ParseColor("#F0F0F0"));
     }
    }  
  }
 }