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布局文件：activity_main.xml

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图片资源

MainActivity.java

1 package com.example.animationapp; 2  3 import java.util.ArrayList; 4 import java.util.List; 5  6 import android.support.v7.app.ActionBarActivity; 7 import android.animation.ObjectAnimator; 8 import android.os.Bundle; 9 import android.view.Menu;10 import android.view.MenuItem;11 import android.view.View;12 import android.view.View.OnClickListener;13 import android.view.animation.BounceInterpolator;14 import android.widget.ImageView;15 import android.widget.Toast;16 17 public class MainActivity extends ActionBarActivity implements OnClickListener {18 19     private int[] res = {R.id.im0, R.id.im1,R.id.im2,20             R.id.im3,R.id.im4,R.id.im5,R.id.im6,R.id.im7}; 21     22     private List
      
         list = new ArrayList
       
        (); 23     24     private boolean flag = true;25     26     @Override27     protected void onCreate(Bundle savedInstanceState) {28         super.onCreate(savedInstanceState);29         setContentView(R.layout.activity_main);30         31         initView();32     }33 34     private void initView() {35         36         for(int i = 0; i < res.length; i++){37             ImageView im = (ImageView) findViewById(res[i]);38             im.setOnClickListener(this);39             list.add(im);40         }41     }42 43     @Override44     public void onClick(View v) {45         switch(v.getId()){46         //im7最后布局，叠加在最上面47         case R.id.im7:{48             49             if(flag){50                 startAnimation();51                 flag = false;52             }else{53                 closeAnimation();54                 flag = true;55             }56             break;57         }58 59         default:60             Toast.makeText(MainActivity.this, v.getId()+"OK", Toast.LENGTH_SHORT).show();61             break;62         }63     }64 65     private void closeAnimation() {66         for(int i = 0 ;i