Products Google for Education Blockly Reference Blockly Framework Reference NumberPadViewController @objcMembers public class NumberPadViewController: UIViewController View controller for inputting a number. Properties numberPad Number pad control. Declaration Swift public private(set) lazy var numberPad: NumberPad = Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated December 1, 2017.