Xamarin.Android FindViewByID that stores a reference to it, for viewholders

ViewExtensions.cs

public static class ViewExtensions
{
	public static T FindViewHolderById<T> (this View @this, int resID)
		where T : View
	{
		return (@this.GetTag (resID) as T) ?? @this.SetTagAndReturnValue (resID, @this.FindViewById<T> (resID)) as T;
	}

	public static T SetTagAndReturnValue<T> (this T @this, int key, T view)
		where T : View
	{
		@this.SetTag (key, view);
		return view;
	}

	public static T SetTagAndReturnContainer<T> (this T @this, int key, Java.Lang.Object @object)
		where T : View
	{
		@this.SetTag (key, @object);
		return @this;
	}
}

usage : view.FindViewHolderById<TextView> (Resource.Id.text1).Text = "blah";