viewflipper动画切换屏幕

package com.example.viewflipper;

import android.R.integer;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector.OnDoubleTapListener;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.Window;
import android.widget.ImageView;
import android.widget.ViewFlipper;

public class MainActivity extends Activity{
    private ViewFlipper flipper;
    private float startX;

    private int resId[] = { R.drawable.ic_girl2, R.drawable.ic_girl3,
            R.drawable.ic_girl4, R.drawable.ic_girl5, };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.main);
        flipper = (ViewFlipper) findViewById(R.id.viewflipper);
        
        // 动态导入的方式为ViewFlipper加入子VIEW
        for (int i = 0; i < resId.length; i++) {
            flipper.addView(getImageView(resId[i]));

        }

        // overridePendingTransition(R.anim.left_in, R.anim.left_out);
        // flipper.setFlipInterval(3000); flipper.startFlipping();
        // 这样的会实现类似幻灯片的效果

        // 为viewFlipper去添加动画效果
        // flipper.setInAnimation(this, R.anim.left_in);
        // flipper.setOutAnimation(this, R.anim.left_out);
        // 设定ViewFlipper的时间间隔
        // flipper.setFlipInterval(3000);
        // 开始播放
        // flipper.startFlipping();
    }

    private ImageView getImageView(int resId) {
        ImageView imageView = new ImageView(this);
        // imageView.setImageResource(resId);宽高完全取决于图片大小
        imageView.setBackgroundResource(resId);// 这样就可以自适应
        return imageView;
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        // TODO Auto-generated method stub
        switch (event.getAction()) {
        // 手指落下
        case MotionEvent.ACTION_DOWN:
        // 刚开始手指落下的坐标，获得横向坐标的x
        {  
            startX = event.getX();

            break;
        }// 手指移动
        case MotionEvent.ACTION_MOVE:

        {
            Log.i("Main", "调动次数");

            break;
        }// 手指离开
        case MotionEvent.ACTION_UP: {
              
            if (event.getX() - startX > 100) { // 向右滑动
                flipper.setInAnimation(this, R.anim.left_in);
                flipper.setOutAnimation(this, R.anim.left_out);
                flipper.showPrevious();// 显示前一页;

            }

            if (startX - event.getX() > 100) {// 向左滑动
                flipper.setInAnimation(this, R.anim.right_in);
                flipper.setOutAnimation(this, R.anim.right_out);
                flipper.showNext();// 显示后一页;
            }
            break;
        }

        }
        return super.onTouchEvent(event);
    }

    
    
}

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="2000"
        android:fromXDelta="-100%p"
        android:toXDelta="0" />
    

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="2000"
        android:fromXDelta="0"
        android:toXDelta="100%p" />

  

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="2000"
        android:fromXDelta="100%p"
        android:toXDelta="0" />

  

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="2000"
        android:fromXDelta="0"
        android:toXDelta="-100%p" />



</set>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <ViewFlipper
        android:id="@+id/viewflipper"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </ViewFlipper>

</LinearLayout>