有个android.widget.ViewAnimator类继承至FrameLayout，ViewAnimator类的作用是为FrameLayout里面的View切换提供动画效果。该类有如下几个和动画相关的函数：

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

<LinearLayout

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent">

    <ViewFlipper android:id="@+id/details"

       android:layout_width="fill_parent"

       android:layout_height="fill_parent"

       android:persistentDrawingCache="animation"

       android:flipInterval="1000"

       android:inAnimation="@anim/push_left_in"

android:outAnimation="@anim/push_left_out"

>

       <LinearLayout

           android:orientation="vertical"

           android:layout_width="fill_parent"

           android:layout_height="fill_parent">

           <Button

              android:text="Next"

              android:id="@+id/Button_next1"

              android:layout_width="fill_parent"

              android:layout_height="wrap_content">

           </Button>

           <ImageView

              android:id="@+id/image1"

              android:src="@drawable/dell1"

              android:layout_width="fill_parent"

              android:layout_height="wrap_content">

           </ImageView>

       </LinearLayout>   

       <LinearLayout

           android:orientation="vertical"

           android:layout_width="fill_parent"

           android:layout_height="fill_parent">

           <Button

              android:text="Next"

              android:id="@+id/Button_next2"

              android:layout_width="fill_parent"

              android:layout_height="wrap_content">

           </Button>

           <ImageView

              android:id="@+id/image2"

              android:src="@drawable/lg"

              android:layout_width="fill_parent"

              android:layout_height="wrap_content">

           </ImageView>

       </LinearLayout>   

       <LinearLayout

           android:orientation="vertical"

           android:layout_width="fill_parent"

           android:layout_height="fill_parent">

           <Button

              android:text="Next"

              android:id="@+id/Button_next3"

              android:layout_width="fill_parent"

              android:layout_height="wrap_content">

           </Button>

           <ImageView

              android:id="@+id/image3"

              android:src="@drawable/lenovo"

              android:layout_width="fill_parent"

              android:layout_height="wrap_content">

           </ImageView>

       </LinearLayout>   

    </ViewFlipper>   

</LinearLayout> 

很简单，在Layout定义中指定动画的相关属性就可以了，通过persistentDrawingCache指定缓存策略；flipInterval指定每个View动画之间的时间间隔；inAnimation和outAnimation分别指定View进出使用的动画效果。动画效果定义如下：

res\anim\push_left_in.xml

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

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

    <translate

    android:fromXDelta="100%p"

    android:toXDelta="0"

    android:duration="500"/>

    <alpha

    android:fromAlpha="0.0"

    android:toAlpha="1.0"

    android:duration="500" />

</set>

res\anim\push_left_out.xml

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

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

    <translate

    android:fromXDelta="0"

    android:toXDelta="-100%p"

    android:duration="500"/>

    <alpha

    android:fromAlpha="1.0"

    android:toAlpha="0.0"

    android:duration="500" />

</set>  

Activity代码如下（src\cc\c\TestActivity.java）：

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public class TestActivity extends Activity {

    private ViewFlipper mViewFlipper;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);   

        Button buttonNext1 = (Button) findViewById(R.id.Button_next1);

        mViewFlipper = (ViewFlipper) findViewById(R.id.flipper);

        buttonNext1.setOnClickListener(new View.OnClickListener() {

            public void onClick(View view) {

                //在layout中定义的属性，也可以在代码中指定

//             mViewFlipper.setInAnimation(getApplicationContext(), R.anim.push_left_in);

//             mViewFlipper.setOutAnimation(getApplicationContext(), R.anim.push_left_out);

//             mViewFlipper.setPersistentDrawingCache(ViewGroup.PERSISTENT_ALL_CACHES);

//             mViewFlipper.setFlipInterval(1000);

                mViewFlipper.showNext();

                //调用下面的函数将会循环显示mViewFlipper内的所有View。

//             mViewFlipper.startFlipping();

        }

        });   

        Button buttonNext2 = (Button) findViewById(R.id.Button_next2);

        buttonNext2.setOnClickListener(new View.OnClickListener() {

            public void onClick(View view) {

                mViewFlipper.showNext();

        }   

        });

        Button buttonNext3 = (Button) findViewById(R.id.Button_next3);

        buttonNext3.setOnClickListener(new View.OnClickListener() {

            public void onClick(View view) {

                mViewFlipper.showNext();

        }   

        });   

    }

    }