Android使用ViewFlipper和GestrueDetector共同实现滑屏效果实例

概述本文实例讲述了Android使用ViewFlipper和GestrueDetector共同实现滑屏效果。分享给大家供大家参考，具体如下：

本文实例讲述了AndroID使用VIEwFlipper和GestrueDetector共同实现滑屏效果。分享给大家供大家参考，具体如下：

关于GestureDetector的相关知识，前面已经介绍过了，不懂的大家可以去了解一下。

1.main.xml

<?xml version="1.0" enCoding="utf-8"?><linearLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"  androID:layout_wIDth="fill_parent"  androID:layout_height="fill_parent"  androID:background="@drawable/bg"  androID:orIEntation="vertical" >  <VIEwFlipper    androID:ID="@+ID/vIEwFlipper1"    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"    >    <include androID:ID="@+ID/lay1" layout="@layout/layout1"/>    <include androID:ID="@+ID/lay2" layout="@layout/layout2"/>  </VIEwFlipper></linearLayout>

注：layout1和layout2 布局很简单，就是有一个textvIEw和一个button，就不在这里写出了。其中包含了两个特效xml文件，放在res/anim下

1.push_left_in

<?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>

2 push_left_out

<?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>

主类：

package com.wj.gesture;import androID.app.Activity;import androID.os.Bundle;import androID.vIEw.GestureDetector;import androID.vIEw.GestureDetector.OnDoubleTapListener;import androID.vIEw.GestureDetector.OnGestureListener;import androID.vIEw.MotionEvent;import androID.vIEw.VIEw;import androID.vIEw.VIEw.OnClickListener;import androID.vIEw.VIEw.OntouchListener;import androID.vIEw.animation.AccelerateInterpolator;import androID.vIEw.animation.Animation;import androID.vIEw.animation.TranslateAnimation;import androID.Widget.button;import androID.Widget.TextVIEw;import androID.Widget.Toast;import androID.Widget.VIEwFlipper;public class GestureDetectorTest extends Activity implements OnClickListener,OntouchListener,OnGestureListener,OnDoubleTapListener{  GestureDetector gestureDetector;  private button next = null,up = null;  private VIEwFlipper flipper = null;  private static final int FliNG_MIN_disTANCE = 100;  private static final int FliNG_MIN_VELociTY = 200;  @OverrIDe  public voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.main);    initvIEw();    setListener();  }  private voID initvIEw(){    gestureDetector = new GestureDetector(this);    next = (button)this.findVIEwByID(R.ID.button1);    up = (button)this.findVIEwByID(R.ID.button2);    next.setonClickListener(this);    up.setonClickListener(this);    flipper  = (VIEwFlipper)this.findVIEwByID(R.ID.vIEwFlipper1);    flipper.setLongClickable(true);  }  private voID setListener(){    flipper.setontouchListener(this);  }  @OverrIDe  public boolean ontouch(VIEw v,MotionEvent event) {    //Toast.makeText(this,"ontouch",1000).show();    return gestureDetector.ontouchEvent(event);  }  @OverrIDe  public boolean onDown(MotionEvent e) {    // 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;  }  @OverrIDe  public boolean onScroll(MotionEvent e1,MotionEvent e2,float distanceX,float distanceY) {    return false;  }  @OverrIDe  public voID onLongPress(MotionEvent e) {    // Todo auto-generated method stub  }  @OverrIDe  public boolean onFling(MotionEvent e1,float veLocityX,float veLocityY) {    if (e1.getX()-e2.getX()>FliNG_MIN_disTANCE&&Math.abs(veLocityX)>FliNG_MIN_VELociTY) {      flipper.setInAnimation(inFromrightAnimation());      flipper.setoutAnimation(outToleftAnimation());      flipper.showNext();    }else if (e2.getX()-e1.getX()>FliNG_MIN_disTANCE&&Math.abs(veLocityX) > FliNG_MIN_VELociTY) {      flipper.setInAnimation(inFromleftAnimation());      flipper.setoutAnimation(outToRightAnimation());      flipper.showPrevIoUs();    }    return false;  }  protected Animation inFromrightAnimation() {    Animation inFromright = new TranslateAnimation(        Animation.relative_TO_PARENT,+1.0f,Animation.relative_TO_PARENT,0.0f,0.0f);    inFromright.setDuration(500);    inFromright.setInterpolator(new AccelerateInterpolator());    return inFromright;  }  protected Animation outToleftAnimation() {    Animation outtoleft = new TranslateAnimation(        Animation.relative_TO_PARENT,-1.0f,0.0f);    outtoleft.setDuration(500);    outtoleft.setInterpolator(new AccelerateInterpolator());    return outtoleft;  }  protected Animation inFromleftAnimation() {    Animation inFromleft = new TranslateAnimation(        Animation.relative_TO_PARENT,0.0f);    inFromleft.setDuration(500);    inFromleft.setInterpolator(new AccelerateInterpolator());    return inFromleft;  }  protected Animation outToRightAnimation() {    Animation outtoRight = new TranslateAnimation(        Animation.relative_TO_PARENT,0.0f);    outtoRight.setDuration(500);    outtoRight.setInterpolator(new AccelerateInterpolator());    return outtoRight;  }  @OverrIDe  public boolean onSingleTapConfirmed(MotionEvent e) {    // Todo auto-generated method stub    return false;  }  @OverrIDe  public boolean onDoubleTap(MotionEvent e) {    // Todo auto-generated method stub    return false;  }  @OverrIDe  public boolean onDoubleTapEvent(MotionEvent e) {    // Todo auto-generated method stub    return false;  }  @OverrIDe  public voID onClick(VIEw v) {    if (v==next) {      flipper.showNext();    }else{      flipper.showPrevIoUs();    }  }}

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