1 public class AnimationTestActivity extends Activity {
 2
 3     /*animation：动画演示
 4      * 1.创建AnimationSet
 5      * 2.创建Animation对象：
 6      * AlphaAnimation, RotateAnimation,
 7      * ScaleAnimation, TranslateAnimation
 8      * 3.设置该对象的参数
 9      * 4.set添加该对象进去
10      * 5.使用控件对象执行set
11      * */
12     private Button alphabutton=null;
13     private Button rotatebutton=null;
14     private Button scalebutton=null;
15     private Button translatebutton=null;
16     private ImageView imageview=null;
17     /** Called when the activity is first created. */
18     @Override
19     public void onCreate(Bundle savedInstanceState) {
20         super.onCreate(savedInstanceState);
21         setContentView(R.layout.main);
22         alphabutton=(Button)findViewById(R.id.alphabutton);
23         rotatebutton=(Button)findViewById(R.id.rotatebutton);
24         scalebutton=(Button)findViewById(R.id.scalebutton);
25         translatebutton=(Button)findViewById(R.id.translatebutton);
26         imageview=(ImageView)findViewById(R.id.imageview);
27         alphabutton.setOnClickListener(new OnClickListener() {
28
29             public void onClick(View v) {
30                 // TODO Auto-generated method stub
31                 //1.创建AnimationSet对象
32                 AnimationSet set=new AnimationSet(true);
33                 //2.创建alphaanimation对象
34                 AlphaAnimation aa=new AlphaAnimation(1, 0);
35                 aa.setDuration(1000);
36                 //3.添加进去
37                 set.addAnimation(aa);
38                 //4.控件启动该set
39                  imageview.startAnimation(set);
40             }
41         });
42         rotatebutton.setOnClickListener(new OnClickListener() {
43
44             public void onClick(View v) {
45                 // TODO Auto-generated method stub
46                 //1.创建AnimationSet对象
47                 AnimationSet set=new AnimationSet(true);
48                 //2.创建alphaanimation对象
49                 RotateAnimation aa=new RotateAnimation(70,0,70,0);
50                 set.setDuration(1000);
51                 set.setFillAfter(true);
52                 set.setFillBefore(false);
53                 //3.添加进去
54                 set.addAnimation(aa);
55                 //4.控件启动该set
56                  imageview.startAnimation(set);
57             }
58         });
59
60     }
61 }