MonoTouch.Dialog.RefreshTableHeaderView.RefreshTableHeaderView C# (CSharp) Method

		public RefreshTableHeaderView (RectangleF rect, bool isTop) : base (rect)
		{
			this.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
			PullMessage = "Pull Down to Refresh...";
			ReleaseMessage = "Release to refresh";
			BackgroundColor = new UIColor (0.88f, 0.9f, 0.92f, 1);
			lastUpdateLabel = new UILabel (){
				Font = UIFont.SystemFontOfSize (13f),
				TextColor = new UIColor (0.47f, 0.50f, 0.57f, 1),
				ShadowColor = UIColor.White, 
				ShadowOffset = new SizeF (0, 1),
				BackgroundColor = this.BackgroundColor,
				Opaque = true,
				TextAlignment = UITextAlignment.Center,
				AutoresizingMask = UIViewAutoresizing.FlexibleLeftMargin | UIViewAutoresizing.FlexibleRightMargin | 
							(isTop ? UIViewAutoresizing.FlexibleBottomMargin : UIViewAutoresizing.FlexibleTopMargin)
			};
			AddSubview (lastUpdateLabel);
			
			statusLabel = new UILabel (){
				Font = UIFont.BoldSystemFontOfSize (14),
				TextColor = new UIColor (0.47f, 0.50f, 0.57f, 1),
				ShadowColor = lastUpdateLabel.ShadowColor,
				ShadowOffset = new SizeF (0, 1),
				BackgroundColor = this.BackgroundColor,
				Opaque = true,
				TextAlignment = UITextAlignment.Center,
				Lines = 0,
				AutoresizingMask = UIViewAutoresizing.FlexibleLeftMargin | UIViewAutoresizing.FlexibleRightMargin
			};
			AddSubview (statusLabel);
			SetStatus (RefreshViewStatus.PullToReload);
			
			arrowView = new UIImageView (){
				ContentMode = UIViewContentMode.ScaleAspectFill,
				Image = arrow,
				AutoresizingMask = UIViewAutoresizing.FlexibleLeftMargin | UIViewAutoresizing.FlexibleRightMargin
			};
			arrowView.Layer.Transform = CATransform3D.MakeRotation ((float) Math.PI, 0, 0, 1);
			AddSubview (arrowView);
			
			activity = new UIActivityIndicatorView (UIActivityIndicatorViewStyle.Gray) {
				HidesWhenStopped = true,
				AutoresizingMask = UIViewAutoresizing.FlexibleLeftMargin | UIViewAutoresizing.FlexibleRightMargin
			};
			AddSubview (activity);
		}