android 3d页面跳转

package cn.com;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
public class Layout3D extends Activity {
 private int mCenterX = 160;
 private int mCenterY = 0;
 
 private ViewGroup layout1;
 private ViewGroup layout2;
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
 
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
 
  layout1 = (ViewGroup) findViewById(R.id.layout1);
  Button b1 = (Button) findViewById(R.id.button1);
  b1.setEnabled(true);
  b1.setOnClickListener(new Button.OnClickListener() {
   public void onClick(View v) {
    leftMoveHandle();
    v.setEnabled(false);
   }
  });
 }
 public void jumpToLayout1(Rotate3d leftAnimation) {
  setContentView(R.layout.main);
  layout1 = (ViewGroup) findViewById(R.id.layout1);
  layout1.startAnimation(leftAnimation);
  Button b1 = (Button) findViewById(R.id.button1);
  b1.setEnabled(true);
  b1.setOnClickListener(new Button.OnClickListener() {
   public void onClick(View v) {
    leftMoveHandle();
   }
  });
 }
 public void jumpToLayout2(Rotate3d rightAnimation) {
  setContentView(R.layout.mylayout);
  layout2 = (ViewGroup) findViewById(R.id.layout2);
  layout2.startAnimation(rightAnimation);
  Button b2 = (Button) findViewById(R.id.button2);
  b2.setEnabled(true);
  b2.setOnClickListener(new Button.OnClickListener() {
   public void onClick(View v) {
    rightMoveHandle();
   }
  });
 }
 public void leftMoveHandle() {
  Rotate3d leftAnimation = new Rotate3d(0, -90, 0, 0, mCenterX, mCenterY);
  Rotate3d rightAnimation = new Rotate3d(90, 0, 0.0f, 0.0f, mCenterX, mCenterY);
  leftAnimation.setFillAfter(true);
  leftAnimation.setDuration(1000);
  rightAnimation.setFillAfter(true);
  rightAnimation.setDuration(1000);
  layout1.startAnimation(leftAnimation);
  jumpToLayout2(rightAnimation);
 }
 public void rightMoveHandle() {
  Rotate3d leftAnimation = new Rotate3d(0, 90, 0, 0, mCenterX, mCenterY);
  Rotate3d rightAnimation = new Rotate3d(-90, 0, 0.0f, 0.0f, mCenterX,mCenterY);
  leftAnimation.setFillAfter(true);
  leftAnimation.setDuration(1000);
  rightAnimation.setFillAfter(true);
  rightAnimation.setDuration(1000);
  layout2.startAnimation(rightAnimation);
  jumpToLayout1(leftAnimation);
 }
}
package cn.com;
import android.graphics.Camera;
import android.graphics.Matrix;
import android.view.animation.Animation;
import android.view.animation.Transformation;
public class Rotate3d extends Animation {
 private float mFromDegree;
 private float mToDegree;
 private float mCenterX;
 private float mCenterY;
 private float mLeft;
 private float mTop;
 private Camera mCamera;
 private static final String TAG = "Rotate3d";
 public Rotate3d(float fromDegree, float toDegree, float left, float top,
   float centerX, float centerY) {
  this.mFromDegree = fromDegree;
  this.mToDegree = toDegree;
  this.mLeft = left;
  this.mTop = top;
  this.mCenterX = centerX;
  this.mCenterY = centerY;
 }
 @Override
 public void initialize(int width, int height, int parentWidth,
   int parentHeight) {
  super.initialize(width, height, parentWidth, parentHeight);
  mCamera = new Camera();
 }
 @Override
 protected void applyTransformation(float interpolatedTime, Transformation t) {
  final float FromDegree = mFromDegree;
  float degrees = FromDegree + (mToDegree - mFromDegree)
    * interpolatedTime;
  final float centerX = mCenterX;
  final float centerY = mCenterY;
  final Matrix matrix = t.getMatrix();
  if (degrees <= -76.0f) {
   degrees = -90.0f;
   mCamera.save();
   mCamera.rotateY(degrees);
   mCamera.getMatrix(matrix);
   mCamera.restore();
  } else if (degrees >= 76.0f) {
   degrees = 90.0f;
   mCamera.save();
   mCamera.rotateY(degrees);
   mCamera.getMatrix(matrix);
   mCamera.restore();
  } else {
   mCamera.save();
   //
   mCamera.translate(0, 0, centerX);
   mCamera.rotateY(degrees);
   mCamera.translate(0, 0, -centerX);
   mCamera.getMatrix(matrix);
   mCamera.restore();
  }
  matrix.preTranslate(-centerX, -centerY);
  matrix.postTranslate(centerX, centerY);
 }
}
package cn.com;
import android.app.Activity;
import android.util.Log;
import android.view.MotionEvent;
import android.view.GestureDetector.OnGestureListener;
public class FlingGuest implements OnGestureListener {
 Activity activity;
 int VALUE_DISTANCE = 100;
 int VALUE_SPEED = 20;
 public FlingGuest(Activity a) {
  activity = a;
 }
 // 用户轻触触摸屏，由1个MotionEvent ACTION_DOWN触发
 public boolean onDown(MotionEvent e) {
  Log.d("TAG", "[+++++++++++][onDown]");
  return true;
 }
 // e1, the begin of ACTION_DOWN MotionEvent
 // e2, the end of ACTION_DOWN MotionEvent
 // velocityX, the motion speed in X
 // velocityY：the motion speed in y
 // 用户按下触摸屏、快速移动后松开,由1个MotionEvent ACTION_DOWN,
 // 多个ACTION_MOVE, 1个ACTION_UP触发
 // e1：第1个ACTION_DOWN MotionEvent
 // e2：最后一个ACTION_MOVE MotionEvent
 // velocityX：X轴上的移动速度，像素/秒
 // velocityY：Y轴上的移动速度，像素/秒
 // 触发条件 ：
 // X轴的坐标位移大于VALUE_DISTANCE，且移动速度大于VALUE_SPEED个像素/秒
 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
  if((e1.getX() - e2.getX() > VALUE_DISTANCE) && Math.abs(velocityX) > VALUE_SPEED) {
   ((Layout3D) activity).leftMoveHandle();
  }
  else if ((e2.getX() - e1.getX() > VALUE_DISTANCE) && Math.abs(velocityX) > VALUE_SPEED) {
   ((Layout3D) activity).rightMoveHandle();
  }
  return true;
 }
 // 用户长按触摸屏，由多个MotionEvent ACTION_DOWN触发
 public void onLongPress(MotionEvent e) {
  Log.d("TAG", "[+++++++++++][onLongPress]");
 }
 // 用户按下触摸屏，并拖动，由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE触发
 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
   float distanceY) {
  Log.d("TAG", "[+++++++++++][onScroll]");
  return true;
 }
 // 用户轻触触摸屏，尚未松开或拖动，由一个1个MotionEvent ACTION_DOWN触发
 // 注意和onDown()的区别，强调的是没有松开或者拖动的状态
 public void onShowPress(MotionEvent e) {
  Log.d("TAG", "[+++++++++++][onShowPress]");
 }
 // 用户（轻触触摸屏后）松开，由一个MotionEvent ACTION_UP触发
 public boolean onSingleTapUp(MotionEvent e) {
  Log.d("TAG", "[+++++++++++][onSingleTapUp]");
  return true;
 }
}

xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout  xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
 android:id="@+id/layout1" 
 android:layout_height="fill_parent"
 android:background="@drawable/black">
 
 <Button android:id="@+id/button1"
     android:layout_width="118px"
  android:layout_height="wrap_content" 
  android:text="Go to Layout2"/>
 
 <TextView android:id="@+id/text1" 
     android:textSize="24sp"
  android:layout_width="186px" 
  android:layout_height="29px"
  android:text="@string/layout1" 
  android:layout_below="@+id/button1"/>
 
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
 android:id="@+id/layout2" 
 android:layout_height="fill_parent"
 android:background="@drawable/white">
 <Button android:id="@+id/button2" 
     android:layout_width="118px"
  android:layout_height="wrap_content" 
  android:text="Go to Layout1">
 </Button>
 <TextView android:id="@+id/text2" 
     android:textSize="24sp"
  android:layout_width="186px" 
  android:layout_height="29px"
  android:textColor="@drawable/black" 
  android:text="@string/layout2"
  android:layout_below="@+id/button2">
 </TextView>
</RelativeLayout>