android.app.DatePickerDialog and android.app.TimePickerDialog are widgets that can popup a dialog for user to choose date and time. This article will show you examples about how to use them.
DatePicker and TimePicker are all extends android.widget.FrameLayout. They are used to display date and time selection widget in android application. They can be used in either spinner mode or calendar mode ( date picker), clock mode ( time picker ). You can control their appearance with their properties.