title: UITextField Hide Keyboard But Reamin First Responder?
body: <p>I've subclassed a UITextField to display a UIDatePicker instead of a keyboard. Entering dates is something that happens often I our app. The problem occurs when another of our custom classes that accommodates the keyboard needs to know what the first responder.</p>
  
  <p>Is there a way to remain first responder, whilst hiding keyboard?</p>