The android.app.DatePickerDialog and android.app.TimePickerDialog class are widgets that can pop up a dialog for users to choose date and time. This article will show you examples of how to use them.
android.widget.Gallery is subclass of AbsSpinner. It displays items in horizontal direction. This example will show you how to use android.widget.Gallery and ImageSwitcher to implement an android image gallery application.
This article will show you examples about how to use android.widget.Spinner to show item selection list in android application. The selection list can be shown in either drop down list or popup dialog.