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Pro Android Graphics by Wallace Jackson

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Chapter     13

Digital Image Transitions: Using the TransitionDrawable Class

In this thirteenth chapter, we will take a close look at the role that an image Transition plays in Android, and in digital image animation, as well as how to implement an image transition in Android. Transitions allow developers to enhance their core digital image animation capabilities.

Transitions are created and managed in Android applications using one of the indirect subclasses of the Drawable superclass. The TransitionDrawable subclass specifically manages image transitions and it’s a direct subclass of the LayerDrawable class. Since you learned about LayerDrawables in the last chapter, this is a good follow-up chapter.

The TransitionDrawable object allows more ...

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