android view动画

1. //在代码中定义 动画实例对象
   
2. private Animation myAnimation_Alpha;
   
3. private Animation myAnimation_Scale;
   
4. private Animation myAnimation_Translate;
   
5. private Animation myAnimation_Rotate;
   
6.     
   
7.     //根据各自的构造方法来初始化一个实例对象
   
8. myAnimation_Alpha=new AlphaAnimation(0.1f, 1.0f);
   
9. 
   
10. myAnimation_Scale =new ScaleAnimation(0.0f, 1.4f, 0.0f, 1.4f,
    
11.              Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
    
12. 
    
13. myAnimation_Translate=new TranslateAnimation(30.0f, -80.0f, 30.0f, 300.0f);
    
14. 
    
15. myAnimation_Rotate=new RotateAnimation(0.0f, +350.0f,
    
16.                Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF, 0.5f);