1. Animation Resources
An animation resource can define one of two types of animations:
<1>Property Animation
Creates an animation by modifying an object‘s property values over a set period of time with an Animator.
<2>View Animation
There are two types of animations that you can do with the view animation framework:
<i>Tween animation
Creates an animation by performing a series of transformations on a single image with an Animation
<ii>Frame animation
or creates an animation by showing a sequence of images in order with an AnimationDrawable.
1.1 Property Animation
3.App Resources-Resource Types/Animation
原文：http://www.cnblogs.com/iMirror/p/4070980.html