<?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">
  <!-- 定义ViewFlipper组件 -->
  <ViewFlipper
    android:id="@+id/flipper"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />
</LinearLayout>

package com.fukaimei.gestureflip;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.ViewFlipper;

public class MainActivity extends AppCompatActivity implements GestureDetector.OnGestureListener {

  // ViewFlipper实例
  ViewFlipper flipper;
  // 定义手势检测实例
  GestureDetector detector;
  // 定义一个动画数组，用于为ViewFlipper指定切换动画效果
  Animation[] animations = new Animation[4];
  // 定义手势动作亮点之间的最小距离
  final int FLIP_DISTANCE = 50;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    // 创建手势检测器
    detector = new GestureDetector(this, this);
    // 获得ViewFlipper实例
    flipper = (ViewFlipper) this.findViewById(R.id.flipper);
    // 为ViewFlipper添加8个ImageView组件
    flipper.addView(addImageView(R.drawable.img01));
    flipper.addView(addImageView(R.drawable.img02));
    flipper.addView(addImageView(R.drawable.img03));
    flipper.addView(addImageView(R.drawable.img04));
    flipper.addView(addImageView(R.drawable.img05));
    flipper.addView(addImageView(R.drawable.img06));
    flipper.addView(addImageView(R.drawable.img07));
    flipper.addView(addImageView(R.drawable.img08));
    // 初始化Animation数组
    animations[0] = AnimationUtils.loadAnimation(this, R.anim.left_in);
    animations[1] = AnimationUtils.loadAnimation(this, R.anim.left_out);
    animations[2] = AnimationUtils.loadAnimation(this, R.anim.right_in);
    animations[3] = AnimationUtils.loadAnimation(this, R.anim.right_out);
  }

  // 定义添加ImageView的工具方法
  private View addImageView(int resId) {
    ImageView imageView = new ImageView(this);
    imageView.setImageResource(resId);
    imageView.setScaleType(ImageView.ScaleType.CENTER);
    return imageView;
  }

  @Override
  public boolean onTouchEvent(MotionEvent event) {
    // 将该Activity上的触碰事件交给GestureDetector处理
    return detector.onTouchEvent(event);
  }

  @Override
  public boolean onDown(MotionEvent e) {
    return false;
  }

  @Override
  public void onShowPress(MotionEvent e) {

  }

  @Override
  public boolean onSingleTapUp(MotionEvent e) {
    return false;
  }

  @Override
  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
    return false;
  }

  @Override
  public void onLongPress(MotionEvent e) {

  }

  @Override
  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
    // 如果第一个触点事件的X坐标大于第二个触点事件的X坐标超过FLIP_DISTANCE
    // 也就是手势从右向左滑
    if (e1.getX() - e2.getX() > FLIP_DISTANCE) {
      // 为flipper设置切换的动画效果
      flipper.setInAnimation(animations[0]);
      flipper.setOutAnimation(animations[1]);
      flipper.showPrevious();
      return true;
    }
    // 如果第二个触点事件的X坐标大于第一个触点事件的X坐标超过FLIP_DISTANCE
    // 也就是手势从右向左滑
    else if (e2.getX() - e1.getX() > FLIP_DISTANCE) {
      // 为flipper设置切换的动画效果
      flipper.setInAnimation(animations[2]);
      flipper.setOutAnimation(animations[3]);
      flipper.showNext();
      return true;
    }
    return false;
  }
}

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
  <translate
    android:duration="500"
    android:fromXDelta="100%p"
    android:toXDelta="0" />
  <alpha
    android:duration="500"
    android:fromAlpha="0.1"
    android:toAlpha="1.0" />
</set>  

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
  <translate
    android:duration="500"
    android:fromXDelta="0"
    android:toXDelta="-100%p" />
  <alpha
    android:duration="500"
    android:fromAlpha="0.1"
    android:toAlpha="1.0" />
</set> 

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
  <translate
    android:duration="500"
    android:fromXDelta="-100%p"
    android:toXDelta="0" />
  <alpha
    android:duration="500"
    android:fromAlpha="0.1"
    android:toAlpha="1.0" />
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
  <translate
    android:duration="500"
    android:fromXDelta="0"
    android:toXDelta="100%p" />
  <alpha
    android:duration="500"
    android:fromAlpha="0.1"
    android:toAlpha="1.0" />
</set>