Android旋转、平移、缩放和透明度渐变的补间动画

<?xml version="1.0" encoding="utf-8"?> 
<set xmlns:android="http://schemas.android.com/apk/res/android"> 
 <alpha android:fromAlpha="1" 
 android:toAlpha="0" 
 android:fillAfter="true" 
 android:repeatMode="reverse" 
 android:repeatCount="1" 
 android:duration="2000"/> 
</set> 

<?xml version="1.0" encoding="utf-8"?> 
<set xmlns:android="http://schemas.android.com/apk/res/android"> 
 <rotate 
 android:interpolator="@android:anim/accelerate_interpolator" 
 android:fromDegrees="0" 
 android:toDegrees="720" 
 android:pivotX="50%" 
 android:pivotY="50%" 
 android:duration="2000"/> 
 <rotate 
 android:interpolator="@android:anim/accelerate_interpolator" 
 android:startOffset="2000" 
 android:fromDegrees="360" 
 android:toDegrees="0" 
 android:pivotX="50%" 
 android:pivotY="50%" 
 android:duration="2000"/> 
</set> 

<?xml version="1.0" encoding="utf-8"?> 
<set xmlns:android="http://schemas.android.com/apk/res/android"> 
 <scale android:fromXScale="1" 
 android:interpolator="@android:anim/decelerate_interpolator" 
 android:fromYScale="1" 
 android:toXScale="2.0" 
 android:toYScale="2.0" 
 android:pivotX="50%" 
 android:pivotY="50%" 
 android:fillAfter="true" 
 android:repeatCount="1" 
 android:repeatMode="reverse" 
 android:duration="2000"/> 
 </set> 

<?xml version="1.0" encoding="utf-8"?> 
<set xmlns:android="http://schemas.android.com/apk/res/android"> 
 <translate 
 android:fromXDelta="0" 
 android:toXDelta="860" 
 android:fromYDelta="0" 
 android:toYDelta="0" 
 android:fillAfter="true" 
 android:repeatMode="reverse" 
 android:repeatCount="1" 
 android:duration="2000"/> 
</set> 

res/layout/main.xml:
[html] view plain copy
<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 xmlns:tools="http://schemas.android.com/tools" 
 android:layout_width="fill_parent" 
 android:layout_height="fill_parent" 
 android:id="@+id/linearLayout1" 
 android:orientation="vertical" 
 > 
 <LinearLayout 
 android:layout_width="fill_parent" 
 android:layout_height="wrap_content" 
 android:id="@+id/linearLayout2" 
 android:orientation="horizontal"> 
 <Button android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:id="@+id/button1" 
 android:text="旋转"/> 
 <Button android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:id="@+id/button2" 
 android:text="平移"/> 
 <Button android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:id="@+id/button3" 
 android:text="缩放"/> 
 <Button android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:id="@+id/button4" 
 android:text="透明度变化"/> 
 </LinearLayout> 
 <ImageView android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:id="@+id/imageView1" 
 android:src="@drawable/img1"/> 
</LinearLayout>

[java] view plain copy
package com.example.test; 
 
import android.app.Activity; 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.animation.Animation; 
import android.view.animation.AnimationUtils; 
import android.widget.Button; 
import android.widget.ImageView; 
 
public class MainActivity extends Activity { 
 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.main); 
 
 final Animation rotate=AnimationUtils.loadAnimation(this, R.anim.anim_rotate);//获取旋转动画资源 
 final Animation translate=AnimationUtils.loadAnimation(this, R.anim.anim_translate);//获取平移动画资源 
 final Animation scale=AnimationUtils.loadAnimation(this, R.anim.anim_scale);//获取缩放动画资源 
 final Animation alpha=AnimationUtils.loadAnimation(this, R.anim.anim_alpha);//获取透明度变化动画资源 
 //获取要应用动画效果的ImageView 
 final ImageView iv=(ImageView)findViewById(R.id.imageView1); 
 Button button1=(Button)findViewById(R.id.button1);//获取"旋转"按钮 
 button1.setOnClickListener(new OnClickListener() { 
 
 @Override 
 public void onClick(View arg0) { 
 //播放旋转动画 
 iv.startAnimation(rotate); 
 
 } 
 }); 
 
 Button button2=(Button)findViewById(R.id.button2);//获取"平移"按钮 
 button2.setOnClickListener(new OnClickListener() { 
 
 @Override 
 public void onClick(View arg0) { 
 //播放平移动画 
 iv.startAnimation(translate); 
 
 } 
 }); 
 
 Button button3=(Button)findViewById(R.id.button3);//获取"缩放"按钮 
 button3.setOnClickListener(new OnClickListener() { 
 
 @Override 
 public void onClick(View arg0) { 
 //播放缩放动画 
 iv.startAnimation(scale); 
 
 } 
 }); 
 
 Button button4=(Button)findViewById(R.id.button4);//获取"透明度渐变"按钮 
 button4.setOnClickListener(new OnClickListener() { 
 
 @Override 
 public void onClick(View arg0) { 
 //播放透明度渐变动画 
 iv.startAnimation(alpha); 
 } 
 }); 
 } 
}