android animation 属性列表

 <rotate
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromDegrees="0"
    android:toDegrees="360"
    android:pivotX="50%"
    android:pivotY="50%"
    android:repeatCount="infinite"
    android:duration="1200" 
    android:fillAfter="true"                
    android:startOffset="800"
    />
 <scale android:fromXScale="1.0"          
  android:toXScale="2.0"             
  android:fromYScale="1.0"                
　android:toYScale="2.0"               
  android:startOffset="800" />
<translate       
 	android:fromXDelta="-200%"        
 	android:toXDelta="0%"        
 	android:fromYDelta="200%"       
  android:toYDelta="0%"        
  android:duration="3000"        
  android:zAdjustment="top" />
<alpha       
 android:fromAlpha="0.0"        
 android:toAlpha="1.0"        
 android:duration="6000" />