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

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

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

     android:layout_height="fill_parent">

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

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

         android:text="测试scale动画效果" />

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

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

         android:text="测试rotate动画效果" />

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

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

         android:text="测试alpha动画效果" />

     <Button android:id="@+id/translateButtonId"

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

         android:layout_above="@id/alphaButtonId" android:text="测试translate动画效果" />

     <LinearLayout android:orientation="vertical"

         android:layout_width="fill_parent" android:layout_height="fill_parent">

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

             android:layout_width="wrap_content" android:layout_height="100dp"

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

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

     </LinearLayout>

 </RelativeLayout>

 package com.animation1;

 import android.app.Activity;

 import android.os.Bundle;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.view.animation.AlphaAnimation;

 import android.view.animation.Animation;

 import android.view.animation.AnimationSet;

 import android.view.animation.RotateAnimation;

 import android.view.animation.ScaleAnimation;

 import android.view.animation.TranslateAnimation;

 import android.widget.Button;

 import android.widget.ImageView;

 public class MainActivity extends Activity {

     private ImageView imageView = null;

     private Button rotateButton, scaleButton, alphaButton, translateButton = null;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

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

         rotateButton = (Button) findViewById(R.id.rotateButtonId);

         scaleButton = (Button) findViewById(R.id.scaleButtonId);

         alphaButton = (Button) findViewById(R.id.alphaButtonId);

         translateButton = (Button) findViewById(R.id.translateButtonId);

         rotateButton.setOnClickListener(new RotateButtonListener());

         scaleButton.setOnClickListener(new ScaleButtonListener());

         alphaButton.setOnClickListener(new AlphaButtonListener());

         translateButton.setOnClickListener(new TranslateButtonListener());

     }

     private class RotateButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             AnimationSet animationSet = new AnimationSet(true);

             RotateAnimation rotateAnimation = new RotateAnimation(0, 360,

                     AnimationSet.RELATIVE_TO_PARENT, 1f,

                     Animation.RELATIVE_TO_PARENT, 0f);

             rotateAnimation.setDuration(5000);

             animationSet.addAnimation(rotateAnimation);

             imageView.startAnimation(animationSet);

         }

     }

     private class ScaleButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             AnimationSet animationSet = new AnimationSet(true);

             ScaleAnimation scaleAnimation = new ScaleAnimation(1, 0.1f, 1, 0.1f,

                     Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);

             animationSet.addAnimation(scaleAnimation);

             animationSet.setStartOffset(1000);

             animationSet.setFillAfter(true);

             animationSet.setFillBefore(false);

             animationSet.setDuration(2000);

             imageView.startAnimation(animationSet);

         }

     }

     private class AlphaButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             AnimationSet animationSet = new AnimationSet(true);

             AlphaAnimation alphaAnimation = new AlphaAnimation(1, 0);

             alphaAnimation.setDuration(1000);

             animationSet.addAnimation(alphaAnimation);

             imageView.startAnimation(animationSet);

         }

     }

     private class TranslateButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             AnimationSet animationSet = new AnimationSet(true);

             TranslateAnimation translateAnimation = new TranslateAnimation(

                     Animation.RELATIVE_TO_SELF, 0f,

                     Animation.RELATIVE_TO_SELF, 0.5f,

                     Animation.RELATIVE_TO_SELF, 0f,

                     Animation.RELATIVE_TO_SELF, 1.0f);

             translateAnimation.setDuration(1000);

             animationSet.addAnimation(translateAnimation);

             imageView.startAnimation(translateAnimation);

         }

     }

 }