Xamarin videoView черный экран но звук идет

Звук идет а плеер черный

using Android.App;
using Android.Widget;
using Android.OS;
namespace Play_Video
{
    [Activity(Label = "Play_Video", MainLauncher = true, Icon = "@drawable/icon")]
    public class MainActivity : Activity
    {   
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            SetContentView(Resource.Layout.Main);
            VideoView videoView = FindViewById<VideoView>(Resource.Id.videoView1);
            var uri = Android.Net.Uri.Parse("http://ia600507.us.archive.org/25/items/Cartoontheater1930sAnd1950s1/PigsInAPolka1943.mp4");
            videoView.SetVideoURI(uri);
            videoView.Start();
        } 

    }
}
    <?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:p1="http://schemas.android.com/apk/res/android"
    p1:orientation="vertical"
    p1:layout_width="match_parent"
    p1:layout_height="match_parent"
    p1:id="@+id/linearLayout1">
    <VideoView
    p1:id="@+id/videoView1"
    p1:layout_width="fill_parent"
    p1:layout_height="fill_parent"/>
</LinearLayout>