Xamarin Forms Android Tab Bar with Icons

tabbed_icon_renderer.cs

// https://forums.xamarin.com/discussion/comment/119662/#Comment_119662

public class IconTabbedRenderer : TabbedRenderer
{
    protected override void DispatchDraw(
        global::Android.Graphics.Canvas canvas)
    {
        base.DispatchDraw(canvas);

        SetTabIcons();
    }

    private void SetTabIcons()
    {
        var element = this.Element;
        if (null == element)
        {
            return;
        }

        Activity activity = this.Context as Activity;
        if ((null != activity) 
			&& (null != activity.ActionBar) 
			&& (activity.ActionBar.TabCount > 0))
        {
            for (int i = 0; i < element.Children.Count; i += 1)
            {
                var tab = activity.ActionBar.GetTabAt(i);
                var page = element.Children[i];
                if ((null != tab) && (null != page) && (null != page.Icon))
                {
                    int resourceId = this.Context.Resources.GetIdentifier(
						page.Icon.File, "drawable", this.Context.PackageName);
                    tab.SetIcon(resourceId);
                }
            }
        }
    }
}