BuildItArSample.iOS.ViewController.PopulateWorld C# (CSharp) Method

        private void PopulateWorld()
        {
            try
            {
                // remove any subviews if they exist
                foreach (var view in events.Keys)
                {
                    view.RemoveFromSuperview();
                }
                foreach (var evt in world.Elements)
                {
                    if (evt?.Element == null) continue;

                    var poiView = new UIView
                    {
                        Tag = evt.Element.Id,
                        Bounds = new CGRect(0, 0, 50, 50),
                        Center = new CGPoint(0, View.Bounds.Height/2)
                    };

                    var distanceLabel = new UILabel
                    {
                        Text = evt.Element.DistanceAway,
                        TextColor = UIColor.White,
                        BackgroundColor = UIColor.Black,
                        TextAlignment = UITextAlignment.Center,
                        Alpha = 0.8f
                    };

                    var frameWidth = distanceLabel.IntrinsicContentSize.Width;
                    distanceLabel.Frame = new CGRect(0,0, frameWidth, 15);
                    poiView.Bounds = new CGRect(0,0, frameWidth, 50);
                    poiView.AddSubview(distanceLabel);
                    CameraView.AddSubview(poiView);
                    events[poiView] = evt;
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.Message);
            }
        }