You need to create a CAGradientLayer and add it below / behind the normal background, which you must set to UIColor.Clear: public ContentView (CGRect frame) : base(frame){ var gradientLayer = new CAG… (View Post)
For what it's worth, I feel the new anchor-based API for constraints is much easier to program and read: datePicker = new UIDatePicker (); this.AddSubview (datePicker); datePicker.TranslatesAutoresiz… (View Post)
You should be able to use the Foundation.NSTimer class to solve your problem. Remember to hold a reference to the NSTimer so that it is not garbage collected prior to triggering! this.timer = NSTimer… (View Post)