Scroll view stuff

gistfile1.cs

float pageControlHeight = 18.0f;
UIScrollView scrollView;
                UIPageControl pageControl;
                public void BuildAndReloadUI(List<Marker> markers, int favCount)
        {
                        
                        Util.TurnOffNetworkActivity();
                        
                        
                        CleanView();
                        
                        if (markers.Count == 0) 
                        {
                                ShowNoStops();
                                
                                
                                return;
                        }  
                        
                        
                        Util.Log("Building UI");
            
                        int pageCount = markers.Count;
                        
                        var scrollViewRect = View.Bounds;
                        scrollViewRect.Size = new SizeF(scrollViewRect.Size.Width, scrollViewRect.Size.Height - pageControlHeight);
                        
                        
                        scrollView = new UIScrollView(scrollViewRect);
                        scrollView.PagingEnabled = true;
                        scrollView.ContentSize = new System.Drawing.SizeF(scrollViewRect.Size.Width * pageCount, 1);
                        scrollView.ShowsHorizontalScrollIndicator = false;
                        scrollView.ShowsVerticalScrollIndicator = false;
                        scrollView.BackgroundColor = UIColor.Black;
                        
                        
                        scrollView.Scrolled += HandleScrollViewScrolled;
                        
                        var pageViewRect = View.Bounds;
                        pageViewRect.Size = new SizeF(pageViewRect.Size.Width, pageControlHeight);
                        pageViewRect.Y = scrollViewRect.Size.Height;
                        
                        pageControl = new UIPageControl(pageViewRect);
                        pageControl.BackgroundColor = UIColor.Black;
                        pageControl.Pages = pageCount;
                        pageControl.CurrentPage = 0;
                        pageControl.ValueChanged += HandlePageControlValueChanged;
                        
                        //setup the page items
                        
                        int tempPage = 0;
                        //if (stops != null) 
                        //{
                        //      foreach(var stop in stops) 
                        //      {
                        //              stop.View.RemoveFromSuperview();
                        //      }
                        //}
                        
                        
                        stops = new List<SingleStopViewController>();
                        
                        
                        foreach(var marker in markers)
                        {
                                Util.Log("Building board: {0} {1}", tempPage, marker.Name);
                                var bounds = scrollView.Bounds;
                                bounds.X = bounds.Size.Width * tempPage;
                                bounds.Y = 0;
                                
                                bounds.Width = 320;
                                
                                SingleStopViewController currentStop = new SingleStopViewController(marker, bounds, markers);
                                currentStop.TheParent = this;
                                if (tempPage < favCount) 
                                {
                                        currentStop.InitialDelay = 1000;
                                } else {
                                        currentStop.InitialDelay = (tempPage - favCount) * 500;
                                }
                                scrollView.AddSubview(currentStop.View);
                                stops.Add(currentStop);
                                
                                
                                tempPage++;
                        }
                        
                        View.AddSubview(scrollView);
                        View.AddSubview(pageControl);
                        View.BringSubviewToFront(pageControl);
                        
                        SetInitialPage(favCount);
                        
                        //View.SetNeedsLayout();
                                
        }
                
                public override bool CanBecomeFirstResponder
                {
                        get
                        {
                                return true;
                        }
                }
                
                public void SetInitialPage(int page)
                {
                        pageControl.CurrentPage = page;
                        var frame = scrollView.Frame;
                        frame.X = frame.Size.Width * page;
                        frame.Y = 0;
                        
                        scrollView.ScrollRectToVisible(frame, false);
                }
                
                void HandlePageControlValueChanged (object sender, EventArgs e)
                {
                        int page = pageControl.CurrentPage;
                        var frame = scrollView.Frame;
                        frame.X = frame.Size.Width * page;
                        frame.Y = 0;
                        
                        scrollView.ScrollRectToVisible(frame, true);
                }

                void HandleScrollViewScrolled (object sender, EventArgs e)
                {
                        var sv = sender as UIScrollView;
                        if (sv != null) 
                        {
                                double pageWidth = sv.Frame.Size.Width;
                                int page = (int)Math.Floor((sv.ContentOffset.X - pageWidth / 2) / pageWidth) + 1;
                                pageControl.CurrentPage = page;
                        }
                }