Android实现页面滑动切换动画

<?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里面的子控件可以被看成一页-->   <ViewFlipper      android:layout_width="fill_parent"     android:layout_height="fill_parent"     android:id="@+id/viewFlipper"     >     <!-- 第一页 -->     <LinearLayout       android:layout_width="fill_parent"       android:layout_height="fill_parent"        android:background="#339900"        >       <TextView          android:layout_width="wrap_content"       android:layout_height="fill_parent"       android:text="第一页"          />     </LinearLayout>          <!-- 第二页 -->     <LinearLayout       android:layout_width="fill_parent"       android:layout_height="fill_parent"        >     <TextView          android:layout_width="wrap_content"       android:layout_height="fill_parent"       android:text="第二页"          />     </LinearLayout>        </ViewFlipper>   </LinearLayout> 

package com.example.activitymove;  import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.ViewFlipper;   public class MainActivity extends Activity {     private ViewFlipper viewFlipper;   private float startX;   private float endX;   private Animation in_lefttoright;   private Animation out_lefttoright;   private Animation in_righttoleft;   private Animation out_righttoleft;   @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_main);               in_lefttoright=AnimationUtils.loadAnimation(this, R.anim.enter_lefttoright);     out_lefttoright=AnimationUtils.loadAnimation(this, R.anim.out_lefttoright);          in_righttoleft=AnimationUtils.loadAnimation(this, R.anim.enter_righttoleft);     out_righttoleft=AnimationUtils.loadAnimation(this, R.anim.out_righttoleft);     viewFlipper=(ViewFlipper) this.findViewById(R.id.viewFlipper);   }     //处理触屏时间的方法   //手在屏幕上向右滑动然后松开翻下一页，向左翻显示前一页   public boolean onTouchEvent(MotionEvent event) {     if(event.getAction()==MotionEvent.ACTION_DOWN){       //记录手放在屏幕上的点位置       startX=event.getX();     }else if(event.getAction()==MotionEvent.ACTION_UP){       //记录手离开屏幕上的点位置       endX=event.getX();       if(endX>startX){         viewFlipper.setInAnimation(in_lefttoright);         viewFlipper.setOutAnimation(out_lefttoright);         viewFlipper.showNext();//显示下一页       }else if(endX<startX){         viewFlipper.setInAnimation(in_righttoleft);         viewFlipper.setOutAnimation(out_righttoleft);         viewFlipper.showPrevious();//显示前一页       }       return true;     }     return super.onTouchEvent(event);   }    } 

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"    android:shareInterpolator="false">   <translate      android:fromXDelta="-100%p"     android:toXDelta="0"     android:duration="1000"     />   </set> 

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"    android:shareInterpolator="false">    <!-- 这里用到了平移动画,这里只动x轴坐标就可以了    -100%p:这就是屏幕的宽度:这里的p代表parent,父元素的宽度,都是   手机屏幕宽度,第一页要从-100%p移动到0,持续5秒中.   -->   <translate      android:fromXDelta="100%p"     android:toXDelta="0"     android:duration="1000"     />   </set> 

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"    android:shareInterpolator="false">   <translate      android:fromXDelta="0"     android:toXDelta="100%p"     android:duration="1000"     />   </set> 

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"    android:shareInterpolator="false">   <translate      android:fromXDelta="0"     android:toXDelta="-100%p"     android:duration="1000"     />   </set>