Custom Renderer of Navigation Page to remove action bar icon for Android in Xamarin.Forms

CustomNavigationRenderer.cs

using Android.App;
using Android.Graphics.Drawables;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;
using SamplesByVaikesh.Droid;

[assembly: ExportRenderer(typeof(NavigationPage), typeof(CustomNavigationRenderer))]  
namespace SamplesByVaikesh.Droid
{
	public class CustomNavigationRenderer : NavigationRenderer
	{
	
		protected override void OnElementChanged (ElementChangedEventArgs < NavigationPage > e)
		{
			base.OnElementChanged (e);
			RemoveAppIconFromActionBar ();
		}

		void RemoveAppIconFromActionBar()
		{
			var actionBar = ((Activity)Context).ActionBar;
			actionBar.SetIcon (new ColorDrawable (Color.Transparent.ToAndroid ()));
		}
		
	}
}

Thanks

I'll try it, thanks any way

By using this code , var actionBar = ((Activity)Context).ActionBar; , I am getting ActionBar value as null still I am using ActionBar in my Xamarin Forms Android App. Can any one help me to sort out this ?