Android Developers Docs Reference androidx.leanback.widget.picker Classes Picker Picker is a widget showing multiple customized PickerColumns. PickerColumn Picker column class used by Picker, defines a contiguous value ranges and associated labels. TimePicker TimePicker is a direct subclass of Picker. Content and code samples on this page are subject to the licenses described in the Content License. Java is a registered trademark of Oracle and/or its affiliates. Last updated January 23, 2019.