Android 应用ViewFlipper实现左右手势切换页面的demo

Android 使用ViewFlipper实现左右手势切换页面的demo
废话少说，直接上代码吧
main.xml:

<?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:layout_height="wrap_content"          android:id="@+id/viewFlipper1" android:layout_width="fill_parent"          >          <LinearLayout android:layout_width="wrap_content"              android:layout_height="wrap_content">              <TextView android:layout_width="wrap_content"                  android:layout_height="wrap_content" android:text="第一屏" />          </LinearLayout>          <LinearLayout android:layout_width="wrap_content"              android:layout_height="wrap_content">              <TextView android:layout_width="wrap_content"                  android:layout_height="wrap_content" android:text="第二屏" />          </LinearLayout>      </ViewFlipper>  </LinearLayout>

package com.iaiai.test;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.GestureDetector;import android.view.GestureDetector.OnGestureListener;import android.view.MotionEvent;import android.widget.ViewFlipper;/** *  * <p> * Title: TestViewFlipper.java * </p> * <p> * E-Mail: 176291935@qq.com * </p> * <p> * QQ: 176291935 * </p> * <p> * Http: iaiai.iteye.com * </p> * <p> * Create time: 2011-9-29 * </p> *  * @author 丸子 * @version 0.0.1 */public class TestViewFlipper extends Activity implements OnGestureListener {private static final String TAG = "TestViewFlipper";private ViewFlipper viewFlipper;private GestureDetector detector;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);detector = new GestureDetector(this);viewFlipper = (ViewFlipper) findViewById(R.id.viewFlipper1);}@Overridepublic boolean onTouchEvent(MotionEvent event) {Log.v(TAG, "touched");return this.detector.onTouchEvent(event);}public boolean onDown(MotionEvent e) {// TODO Auto-generated method stubreturn false;}public void onShowPress(MotionEvent e) {// TODO Auto-generated method stub}public boolean onSingleTapUp(MotionEvent e) {// TODO Auto-generated method stubreturn false;}public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,float distanceY) {// TODO Auto-generated method stubreturn false;}public void onLongPress(MotionEvent e) {// TODO Auto-generated method stub}public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,float velocityY) {Log.i(TAG, "fling...");if (e1.getX() > e2.getX()) {viewFlipper.showNext();} else if (e1.getX() < e2.getX()) {viewFlipper.showPrevious();} else {return false;}return true;}}