使用viewflipper实现左右滑动，动态切换view

//主activity

package com.android.flip;import android.app.Activity;import android.os.Bundle;import android.view.GestureDetector;import android.view.MotionEvent;import android.view.View;import android.view.GestureDetector.OnGestureListener;import android.view.animation.AnimationUtils;import android.widget.ImageView;import android.widget.ViewFlipper;/** * Android实现左右滑动效果 * @author Administrator * */public class MainActivity extends Activity implements OnGestureListener {    private ViewFlipper flipper;    private GestureDetector detector;        /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                detector = new GestureDetector(this);        flipper = (ViewFlipper) this.findViewById(R.id.ViewFlipper1);        flipper.addView(addTextView(R.drawable.one));        flipper.addView(addTextView(R.drawable.two));        flipper.addView(addTextView(R.drawable.three));        flipper.addView(addTextView(R.drawable.four));        flipper.addView(addTextView(R.drawable.five));    }        private View addTextView(int id) {        ImageView iv = new ImageView(this);        iv.setImageResource(id);        return iv;    }        @Override    public boolean onTouchEvent(MotionEvent event) {        // TODO Auto-generated method stub        return this.detector.onTouchEvent(event);    }        @Override    public boolean onDown(MotionEvent e) {        // TODO Auto-generated method stub        return false;    }        @Override    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,            float velocityY) {        if (e1.getX() - e2.getX() > 120) {            this.flipper.setInAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_in));            this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this, R.anim.push_left_out));            this.flipper.showNext();            return true;        } else if (e1.getX() - e2.getX() < -120) {            this.flipper.setInAnimation(AnimationUtils.loadAnimation(this, R.anim.push_right_in));            this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this, R.anim.push_right_out));            this.flipper.showPrevious();            return true;        }                return false;    }        @Override    public void onLongPress(MotionEvent e) {        // TODO Auto-generated method stub            }        @Override    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,            float distanceY) {        // TODO Auto-generated method stub        return false;    }        @Override    public void onShowPress(MotionEvent e) {        // TODO Auto-generated method stub            }        @Override    public boolean onSingleTapUp(MotionEvent e) {        // TODO Auto-generated method stub        return false;    }}

main.xml文件中代码：

<?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/ViewFlipper1"        android:layout_width="fill_parent"         android:layout_height="fill_parent">    </ViewFlipper></LinearLayout>

四个动画效果xml

push_left_in.xml文件中代码：

<?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="0.1" android:toAlpha="1.0"        android:duration="500" /></set>

push_left_out.xml文件中代码： 

<?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="0.1"        android:duration="500" /></set>

push_right_in.xml文件中代码：

<?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="0.1" android:toAlpha="1.0"        android:duration="500" /></set>

push_right_out.xml文件中代码：

<?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="0.1"        android:duration="500" /></set>