1. A and C. The ViewSwitcher class has two subclasses: TextSwitcher (for animating between two TextView controls) and ImageSwitcher (for animating between two ImageView controls).
2. False. The TextView controls displayed by a TextSwitcher control can be created on-the-fly by using ViewFactory.
3. True. Many standard Java packages are available within the Android SDK. There are also a number of packages specially designed for Android under the android.* package tree. See the Android SDK documentation for a complete list of available packages.
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