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Android 3.0 Animations by Alex Shaw

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Chapter 3. Tweening and Using Animators

In the previous chapter, we saw how to take an existing animation and add it to an Android layout. In this chapter, we shall look at how to take ordinary views and widgets within a layout and add animation to them.

The main points we shall cover include:

  • Defining a tween in XML
  • The tweening operations that are provided with Android
  • Defining and parameterizing an Animator

Let's start by making our first tween.

Greeting the tween

Tweens, you will recall, are animations that move between two states. They are atomic elements in Android, and exist completely independent of individual views. In this way, you can apply the same tween to lots of different things to give your application a consistent look and feel in its ...

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