Android Programming for Beginners - Second Edition

Chapter 19. Animations and Interpolations

Here we will see how we can use the Animation class to make our UI a little less static and a bit more interesting. As we have come to expect, the Android API will allow us to do some quite advanced things with relatively straightforward code, and the Animation class is no different.

This chapter can be approximately divided into these parts:

• An introduction to how animations in Android work and are implemented
• An introduction to a UI widget we haven't explored yet, the SeekBar
• A working animation app

First, let's explore how animations in Android work.

Animations in Android

The normal way to create an animation in Android is through XML. We can write XML animations and then load and play them in Java on a specified ...