<?xml version="1.0" encoding="utf-8"?>

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

     android:id="@+id/layoutId"

     android:orientation="vertical" android:layout_width="fill_parent"

     android:layout_height="fill_parent">

     <Button android:id="@+id/addButtonId" android:layout_width="fill_parent"

         android:layout_height="wrap_content" android:layout_alignParentBottom="true"

         android:text="添加图片" />

     <Button android:id="@+id/removeButtonId" android:layout_width="fill_parent"

         android:layout_height="wrap_content" android:layout_above="@id/addButtonId"

         android:text="删除图片" />

         <ImageView android:id="@+id/imageViewId"

             android:layout_width="wrap_content" android:layout_height="wrap_content"

             android:layout_centerInParent="true" android:layout_marginTop="100dip"

             android:src="@drawable/a1" />

 </RelativeLayout>

 package com.animationlistener;

 import android.app.Activity;

 import android.os.Bundle;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.view.ViewGroup;

 import android.view.ViewGroup.LayoutParams;

 import android.view.animation.AlphaAnimation;

 import android.view.animation.Animation;

 import android.view.animation.Animation.AnimationListener;

 import android.widget.Button;

 import android.widget.ImageView;

 public class MainActivity extends Activity {

     private Button removeButton = null;

     private Button addButton = null;

     private ImageView imageView = null;

     private ViewGroup viewGroup = null;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         removeButton = (Button)findViewById(R.id.removeButtonId);

         removeButton.setOnClickListener(new RemoveButtonListener());

         addButton = (Button)findViewById(R.id.addButtonId);

         addButton.setOnClickListener(new AddButtonListener());

         imageView = (ImageView)findViewById(R.id.imageViewId);

         viewGroup = (ViewGroup) findViewById(R.id.layoutId);

     }

     class AddButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             Animation animation = new AlphaAnimation(0.0f, 1.0f);

             animation.setDuration(1000);

             animation.setStartOffset(500);

             ImageView imageViewAdd = new ImageView(MainActivity.this);

             imageViewAdd.setImageResource(R.drawable.a1);

             viewGroup.addView(imageViewAdd, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));

             imageViewAdd.startAnimation(animation);

         }

     }

     class RemoveButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             Animation animation = new AlphaAnimation(1.0f, 0.0f);

             animation.setDuration(1000);

             animation.setStartOffset(500);

             animation.setAnimationListener(new RemoveAnimationListener());

             imageView.startAnimation(animation);

         }

     }

     class RemoveAnimationListener implements AnimationListener {

         @Override

         public void onAnimationStart(Animation animation) {

             System.out.println("Start");

         }

         @Override

         public void onAnimationEnd(Animation animation) {

             System.out.println("End");

             viewGroup.removeView(imageView);

         }

         @Override

         public void onAnimationRepeat(Animation animation) {

             System.out.println("Repeat");

         }

     }

 }