动画监听器Animation.AnimationListener

通过AnimationListener可以监听Animation的运行过程

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1. AnimationSet as=new AnimationSet(true);  
2.             RotateAnimation al=new RotateAnimation(0,-720,Animation.RELATIVE_TO_PARENT,0.5f,Animation.RELATIVE_TO_PARENT,0.5f);  
3.             al.setDuration(3000);  
4.             al.setAnimationListener(new AnimationListener(){  
5.   
6.                 public void onAnimationStart(Animation animation) {  //动画开始时调用
7.                     // TODO Auto-generated method stub  
8.                       
9.                 }  
10.   
11.                 public void onAnimationEnd(Animation animation) {  //动画结束时调用
12.                     // TODO Auto-generated method stub  
13.                       
14.                 }  
15.   
16.                 public void onAnimationRepeat(Animation animation) {  //动画重复时调用
17.                     // TODO Auto-generated method stub  
18.                       
19.                 }  
20.                   
21.             });  
22.             as.addAnimation(al);  
23.             iv.startAnimation(as);