public class Image3DSwitchView extends LinearLayout {  private int currentPage =0;//定義當(dāng)前第幾頁  /**  * 圖片左右兩邊的空白間距  */  public static final int IMAGE_PADDING = 5;  private static final int TOUCH_STATE_REST = 0;  private static final int TOUCH_STATE_SCROLLING = 1;  /**  * 滾動(dòng)到下一張圖片的速度  */  private static final int SNAP_VELOCITY = 600;   /**  * 表示滾動(dòng)到下一張圖片這個(gè)動(dòng)作  */  private static final int SCROLL_NEXT = 0;  /**  * 表示滾動(dòng)到上一張圖片這個(gè)動(dòng)作  */  private static final int SCROLL_PREVIOUS = 1;  /**  * 表示滾動(dòng)回原圖片這個(gè)動(dòng)作  */  private static final int SCROLL_BACK = 2;  private static Handler handler = new Handler();  /**  * 控件寬度  */  public static int mWidth;  private VelocityTracker mVelocityTracker;//主要用跟蹤觸摸屏事件(flinging事件和其他gestures手勢事件)的速率  private Scroller mScroller;  /**  * 圖片滾動(dòng)監(jiān)聽器，當(dāng)圖片發(fā)生滾動(dòng)時(shí)回調(diào)這個(gè)接口  */  private OnImageSwitchListener mListener;  /**  * 記錄當(dāng)前的觸摸狀態(tài)  */  private int mTouchState = TOUCH_STATE_REST;  /**  * 記錄被判定為滾動(dòng)運(yùn)動(dòng)的最小滾動(dòng)值  */  private int mTouchSlop;  /**  * 記錄控件高度  */  private int mHeight;  /**  * 記錄每張圖片的寬度  */  private int mImageWidth;  /**  * 記錄圖片的總數(shù)量  */  private int mCount;  /**  * 記錄當(dāng)前顯示圖片的坐標(biāo)  */  private int mCurrentImage;  /**  * 記錄上次觸摸的橫坐標(biāo)值  */  private float mLastMotionX;  /**  * 是否強(qiáng)制重新布局  */  private boolean forceToRelayout;  private int[] mItems;  public Image3DSwitchView(Context context, AttributeSet attrs) {  super(context, attrs);  mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();  mScroller = new Scroller(context);  //設(shè)置可以獲得焦點(diǎn)  setFocusable(true);  }  @Override  protected void onLayout(boolean changed, int l, int t, int r, int b) {  if (changed || forceToRelayout) {  mCount = getChildCount();  // 圖片數(shù)量必須大于5，不然無法正常顯示  if (mCount < 5) {  return;  }  mWidth = getMeasuredWidth();  mHeight = getMeasuredHeight();  // 每張圖片的寬度設(shè)定為控件寬度的百分之六十  mImageWidth = (int) (mWidth * 0.6);  if (mCurrentImage >= 0 && mCurrentImage < mCount) {  mScroller.abortAnimation();  setScrollX(0);  int left = -mImageWidth * 2 + (mWidth - mImageWidth) / 2;  // 分別獲取每個(gè)位置上應(yīng)該顯示的圖片下標(biāo)  int[] items = {getIndexForItem(1), getIndexForItem(2),  getIndexForItem(3), getIndexForItem(4),  getIndexForItem(5)};  mItems = items;  // 通過循環(huán)為每張圖片設(shè)定位置  for (int i = 0; i < items.length; i++) {  Image3DView childView = (Image3DView) getChildAt(items[i]);  childView.layout(left + IMAGE_PADDING, 0, left  + mImageWidth - IMAGE_PADDING, mHeight);  childView.initImageViewBitmap();  left = left + mImageWidth;  }  refreshImageShowing();  }  forceToRelayout = false;  }  }  public interface OnFocusListener{  void onFocus();  void setValue(String value);  }  private OnFocusListener onFocusListener;  public void setonFocusListener(OnFocusListener onFocusListener){  this.onFocusListener = onFocusListener;  }  @Override  public boolean dispatchKeyEvent(KeyEvent event) {  if (event.getAction() == KeyEvent.ACTION_DOWN){  switch (event.getKeyCode()){  //按下鍵 響應(yīng)回調(diào)  case KeyEvent.KEYCODE_DPAD_DOWN:  if (onFocusListener != null){onFocusListener.onFocus();}  break;  //按確定鍵  case KeyEvent.KEYCODE_DPAD_CENTER:  Toast.makeText(getContext(),"點(diǎn)擊了圖片"+(currentPage%7+1),Toast.LENGTH_SHORT).show();  break;  //右鍵  case KeyEvent.KEYCODE_DPAD_RIGHT:  scrollToNext();  if (onFocusListener !=null){  onFocusListener.setValue((currentPage%7+1)+"");  }  break;  //左鍵  case KeyEvent.KEYCODE_DPAD_LEFT:  scrollToPrevious();  if (onFocusListener !=null){  onFocusListener.setValue((currentPage%7+1)+"");  }  break;  }  }  return true;  }  @Override  public boolean onTouchEvent(MotionEvent event) {  if (mScroller.isFinished()) {  if (mVelocityTracker == null) {  mVelocityTracker = VelocityTracker.obtain();  }  mVelocityTracker.addMovement(event);  int action = event.getAction();  float x = event.getX();  switch (action) {  case MotionEvent.ACTION_DOWN:  // 記錄按下時(shí)的橫坐標(biāo)  mLastMotionX = x;  break;  case MotionEvent.ACTION_MOVE:  int disX = (int) (mLastMotionX - x);  mLastMotionX = x;  scrollBy(disX, 0);  // 當(dāng)發(fā)生移動(dòng)時(shí)刷新圖片的顯示狀態(tài)  refreshImageShowing();  break;  case MotionEvent.ACTION_UP:  mVelocityTracker.computeCurrentVelocity(1000);  int velocityX = (int) mVelocityTracker.getXVelocity();  if (shouldScrollToNext(velocityX)) {  // 滾動(dòng)到下一張圖  scrollToNext();  } else if (shouldScrollToPrevious(velocityX)) {  // 滾動(dòng)到上一張圖  scrollToPrevious();  } else {  // 滾動(dòng)回當(dāng)前圖片  scrollBack();  }  if (mVelocityTracker != null) {  mVelocityTracker.recycle();  mVelocityTracker = null;  }  break;  }  }  return true;  }  /**  * 根據(jù)當(dāng)前的觸摸狀態(tài)來決定是否屏蔽子控件的交互能力。  */  @Override  public boolean onInterceptTouchEvent(MotionEvent ev) {  int action = ev.getAction();  if ((action == MotionEvent.ACTION_MOVE)  && (mTouchState != TOUCH_STATE_REST)) {  return true;  }  float x = ev.getX();  switch (action) {  case MotionEvent.ACTION_DOWN:  mLastMotionX = x;  mTouchState = TOUCH_STATE_REST;  break;  case MotionEvent.ACTION_MOVE:  int xDiff = (int) Math.abs(mLastMotionX - x);  if (xDiff > mTouchSlop) {  mTouchState = TOUCH_STATE_SCROLLING;  }  break;  case MotionEvent.ACTION_UP:  default:  mTouchState = TOUCH_STATE_REST;  break;  }  return mTouchState != TOUCH_STATE_REST;  }  @Override  public void computeScroll() {  if (mScroller.computeScrollOffset()) {  scrollTo(mScroller.getCurrX(), mScroller.getCurrY());  refreshImageShowing();  postInvalidate();  }  }  /**  * 設(shè)置圖片滾動(dòng)的監(jiān)聽器，每當(dāng)有圖片滾動(dòng)時(shí)會(huì)回調(diào)此接口。  *  * @param listener 圖片滾動(dòng)監(jiān)聽器  */  public void setOnImageSwitchListener(OnImageSwitchListener listener) {  mListener = listener;  }  /**  * 設(shè)置當(dāng)前顯示圖片的下標(biāo)，注意如果該值小于零或大于等于圖片的總數(shù)量，圖片則無法正常顯示。  *  * @param currentImage 圖片的下標(biāo)  */  public void setCurrentImage(int currentImage) {  mCurrentImage = currentImage;  requestLayout();  }  /**  * 滾動(dòng)到下一張圖片。  */  public void scrollToNext() {  if (mScroller.isFinished()) {  currentPage++;  int disX = mImageWidth - getScrollX();  checkImageSwitchBorder(SCROLL_NEXT);  if (mListener != null) {  mListener.onImageSwitch(mCurrentImage);  }  beginScroll(getScrollX(), 0, disX, 0, SCROLL_NEXT);  }  }  /**  * 滾動(dòng)到上一張圖片。  */  public void scrollToPrevious() {  if (mScroller.isFinished()) {  if (currentPage ==0){  currentPage = 7;  }else  currentPage--;  int disX = -mImageWidth - getScrollX();  checkImageSwitchBorder(SCROLL_PREVIOUS);  if (mListener != null) {  mListener.onImageSwitch(mCurrentImage);  }  beginScroll(getScrollX(), 0, disX, 0, SCROLL_PREVIOUS);  }  }  /**  * 滾動(dòng)回原圖片。  */  public void scrollBack() {  if (mScroller.isFinished()) {  beginScroll(getScrollX(), 0, -getScrollX(), 0, SCROLL_BACK);  }  }  /**  * 回收所有圖片對(duì)象，釋放內(nèi)存。  */  public void clear() {  for (int i = 0; i < mCount; i++) {  Image3DView childView = (Image3DView) getChildAt(i);  childView.recycleBitmap();  }  }  /**  * 讓控件中的所有圖片開始滾動(dòng)。  */  private void beginScroll(int startX, int startY, int dx, int dy,  final int action) {  int duration = (int) (700f / mImageWidth * Math.abs(dx));  mScroller.startScroll(startX, startY, dx, dy, duration);  invalidate();  handler.postDelayed(new Runnable() {  @Override  public void run() {  if (action == SCROLL_NEXT || action == SCROLL_PREVIOUS) {  forceToRelayout = true;  requestLayout();  }  }  }, duration);  }  /**  * 根據(jù)當(dāng)前圖片的下標(biāo)和傳入的item參數(shù)，來判斷item位置上應(yīng)該顯示哪張圖片。  *  * @param item 取值范圍是1-5  * @return 對(duì)應(yīng)item位置上應(yīng)該顯示哪張圖片。  */  private int getIndexForItem(int item) {  int index = -1;  index = mCurrentImage + item - 3;  while (index < 0) {  index = index + mCount;  }  while (index > mCount - 1) {  index = index - mCount;  }  return index;  }  /**  * 刷新所有圖片的顯示狀態(tài)，包括當(dāng)前的旋轉(zhuǎn)角度。  */  private void refreshImageShowing() {  for (int i = 0; i < mItems.length; i++) {  Image3DView childView = (Image3DView) getChildAt(mItems[i]);  childView.setRotateData(i, getScrollX());  childView.invalidate();  }  }  /**  * 檢查圖片的邊界，防止圖片的下標(biāo)超出規(guī)定范圍。  */  private void checkImageSwitchBorder(int action) {  if (action == SCROLL_NEXT && ++mCurrentImage >= mCount) {  mCurrentImage = 0;  } else if (action == SCROLL_PREVIOUS && --mCurrentImage < 0) {  mCurrentImage = mCount - 1;  }  }  /**  * 判斷是否應(yīng)該滾動(dòng)到下一張圖片。  */  private boolean shouldScrollToNext(int velocityX) {  return velocityX < -SNAP_VELOCITY || getScrollX() > mImageWidth / 2;  }  /**  * 判斷是否應(yīng)該滾動(dòng)到上一張圖片。  */  private boolean shouldScrollToPrevious(int velocityX) {  return velocityX > SNAP_VELOCITY || getScrollX() < -mImageWidth / 2;  }  /**  * 圖片滾動(dòng)的監(jiān)聽器  */  public interface OnImageSwitchListener {  /**  * 當(dāng)圖片滾動(dòng)時(shí)會(huì)回調(diào)此方法  *  * @param currentImage 當(dāng)前圖片的坐標(biāo)  */  void onImageSwitch(int currentImage);  } } 

public class Image3DView extends ImageView {  /**  * 旋轉(zhuǎn)角度的基準(zhǔn)值  */  private static final float BASE_DEGREE = 50f;  /**  * 旋轉(zhuǎn)深度的基準(zhǔn)值  */  private static final float BASE_DEEP = 150f;  private Camera mCamera;  private Matrix mMaxtrix;  private Bitmap mBitmap;  /**  * 當(dāng)前圖片對(duì)應(yīng)的下標(biāo)  */  private int mIndex;  /**  * 在前圖片在X軸方向滾動(dòng)的距離  */  private int mScrollX;  /**  * Image3DSwitchView控件的寬度  */  private int mLayoutWidth;  /**  * 當(dāng)前圖片的寬度  */  private int mWidth;  /**  * 當(dāng)前旋轉(zhuǎn)的角度  */  private float mRotateDegree;  /**  * 旋轉(zhuǎn)的中心點(diǎn)  */  private float mDx;  /**  * 旋轉(zhuǎn)的深度  */  private float mDeep;  public Image3DView(Context context, AttributeSet attrs) {  super(context, attrs);  mCamera = new Camera();  mMaxtrix = new Matrix();  //設(shè)置可獲焦 & 可點(diǎn)擊  setFocusable(true);  setClickable(true);  }  /**  * 初始化Image3DView所需要的信息，包括圖片寬度，截取背景圖等。  */  public void initImageViewBitmap() {  if (mBitmap == null) {  //我們要獲取cache首先要通過setDrawingCacheEnable方法開啟cache，然后再調(diào)用getDrawingCache方法就可以獲得view的cache圖片了。  setDrawingCacheEnabled(true);  buildDrawingCache();  mBitmap = getDrawingCache();  }  mLayoutWidth = Image3DSwitchView.mWidth;  mWidth = getWidth() + Image3DSwitchView.IMAGE_PADDING * 2;  }  /**  * 設(shè)置旋轉(zhuǎn)角度。  *  * @param index 當(dāng)前圖片的下標(biāo)  * @param scrollX 當(dāng)前圖片在X軸方向滾動(dòng)的距離  */  public void setRotateData(int index, int scrollX) {  mIndex = index;  mScrollX = scrollX;  }  /**  * 回收當(dāng)前的Bitmap對(duì)象，以釋放內(nèi)存。  */  public void recycleBitmap() {  if (mBitmap != null && !mBitmap.isRecycled()) {  mBitmap.recycle();  }  }  @Override  public void setImageResource(int resId) {  super.setImageResource(resId);  mBitmap = null;  initImageViewBitmap();  }  @Override  public void setImageBitmap(Bitmap bm) {  super.setImageBitmap(bm);  mBitmap = null;  initImageViewBitmap();  }  @Override  public void setImageDrawable(Drawable drawable) {  super.setImageDrawable(drawable);  mBitmap = null;  initImageViewBitmap();  }  @Override  public void setImageURI(Uri uri) {  super.setImageURI(uri);  mBitmap = null;  initImageViewBitmap();  }  @Override  protected void onDraw(Canvas canvas) {  if (mBitmap == null) {  // 如果Bitmap對(duì)象還不存在，先使用父類的onDraw方法進(jìn)行繪制  super.onDraw(canvas);  } else {  if (isImageVisible()) {  // 繪圖時(shí)需要注意，只有當(dāng)圖片可見的時(shí)候才進(jìn)行繪制，這樣可以節(jié)省運(yùn)算效率  computeRotateData();  mCamera.save();  mCamera.translate(0.0f, 0.0f, mDeep);  mCamera.rotateY(mRotateDegree);  mCamera.getMatrix(mMaxtrix);  mCamera.restore();  mMaxtrix.preTranslate(-mDx, -getHeight() / 2);  mMaxtrix.postTranslate(mDx, getHeight() / 2);  canvas.drawBitmap(mBitmap, mMaxtrix, null);  }  }  }  /**  * 在這里計(jì)算所有旋轉(zhuǎn)所需要的數(shù)據(jù)。  */  private void computeRotateData() {  float degreePerPix = BASE_DEGREE / mWidth;  float deepPerPix = BASE_DEEP / ((mLayoutWidth - mWidth) / 2);  switch (mIndex) {  case 0:  mDx = mWidth;  mRotateDegree = 360f - (2 * mWidth + mScrollX) * degreePerPix;  if (mScrollX < -mWidth) {  mDeep = 0;  } else {  mDeep = (mWidth + mScrollX) * deepPerPix;  }  break;  case 1:  if (mScrollX > 0) {  mDx = mWidth;  mRotateDegree = (360f - BASE_DEGREE) - mScrollX * degreePerPix;  mDeep = mScrollX * deepPerPix;  } else {  if (mScrollX < -mWidth) {  mDx = -Image3DSwitchView.IMAGE_PADDING * 2;  mRotateDegree = (-mScrollX - mWidth) * degreePerPix;  } else {  mDx = mWidth;  mRotateDegree = 360f - (mWidth + mScrollX) * degreePerPix;  }  mDeep = 0;  }  break;  case 2:  if (mScrollX > 0) {  mDx = mWidth;  mRotateDegree = 360f - mScrollX * degreePerPix;  mDeep = 0;  if (mScrollX > mWidth) {  mDeep = (mScrollX - mWidth) * deepPerPix;  }  } else {  mDx = -Image3DSwitchView.IMAGE_PADDING * 2;  mRotateDegree = -mScrollX * degreePerPix;  mDeep = 0;  if (mScrollX < -mWidth) {  mDeep = -(mWidth + mScrollX) * deepPerPix;  }  }  break;  case 3:  if (mScrollX < 0) {  mDx = -Image3DSwitchView.IMAGE_PADDING * 2;  mRotateDegree = BASE_DEGREE - mScrollX * degreePerPix;  mDeep = -mScrollX * deepPerPix;  } else {  if (mScrollX > mWidth) {  mDx = mWidth;  mRotateDegree = 360f - (mScrollX - mWidth) * degreePerPix;  } else {  mDx = -Image3DSwitchView.IMAGE_PADDING * 2;  mRotateDegree = BASE_DEGREE - mScrollX * degreePerPix;  }  mDeep = 0;  }  break;  case 4:  mDx = -Image3DSwitchView.IMAGE_PADDING * 2;  mRotateDegree = (2 * mWidth - mScrollX) * degreePerPix;  if (mScrollX > mWidth) {  mDeep = 0;  } else {  mDeep = (mWidth - mScrollX) * deepPerPix;  }  break;  }  }  /**  * 判斷當(dāng)前圖片是否可見。  *  * @return 當(dāng)前圖片可見返回true，不可見返回false。  */  private boolean isImageVisible() {  boolean isVisible = false;  switch (mIndex) {  case 0:  if (mScrollX < (mLayoutWidth - mWidth) / 2 - mWidth) {  isVisible = true;  } else {  isVisible = false;  }  break;  case 1:  if (mScrollX > (mLayoutWidth - mWidth) / 2) {  isVisible = false;  } else {  isVisible = true;  }  break;  case 2:  if (mScrollX > mLayoutWidth / 2 + mWidth / 2  || mScrollX < -mLayoutWidth / 2 - mWidth / 2) {  isVisible = false;  } else {  isVisible = true;  }  break;  case 3:  if (mScrollX < -(mLayoutWidth - mWidth) / 2) {  isVisible = false;  } else {  isVisible = true;  }  break;  case 4:  if (mScrollX > mWidth - (mLayoutWidth - mWidth) / 2) {  isVisible = true;  } else {  isVisible = false;  }  break;  }  return isVisible;  } } 

public class MainActivity extends AppCompatActivity {  private Button btn;  private Image3DSwitchView image3DSwitchView;  @Override  protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  btn = (Button) findViewById(R.id.btn);  image3DSwitchView = (Image3DSwitchView) findViewById(R.id.image_switch_view);  btn.setOnKeyListener(new View.OnKeyListener() {  @Override  public boolean onKey(View v, int keyCode, KeyEvent event) {  if (keyCode == KeyEvent.KEYCODE_DPAD_UP && event.getAction()== KeyEvent.ACTION_DOWN)  image3DSwitchView.requestFocus();  return true;  }  });  //設(shè)置監(jiān)聽，并實(shí)現(xiàn)接口  image3DSwitchView.setonFocusListener(new Image3DSwitchView.OnFocusListener() {  @Override  public void onFocus() {  btn.requestFocus();  }  @Override  public void setValue(String value) {  btn.setText(value+"/7");  }   });  } } 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:background="#000000">  <com.example.rotate3d.Image3DSwitchView  android:layout_marginTop="100dp"  android:id="@+id/image_switch_view"  android:layout_width="wrap_content"  android:layout_height="470dp" >  <com.example.rotate3d.Image3DView  android:id="@+id/image1"  android:focusable="true"  android:focusableInTouchMode="true"  android:clickable="true"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image1" />  <com.example.rotate3d.Image3DView  android:id="@+id/image2"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image2" />  <com.example.rotate3d.Image3DView  android:id="@+id/image3"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image3" />  <com.example.rotate3d.Image3DView  android:id="@+id/image4"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image4" />  <com.example.rotate3d.Image3DView  android:id="@+id/image5"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image5" />  <com.example.rotate3d.Image3DView  android:id="@+id/image6"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image6" />  <com.example.rotate3d.Image3DView  android:id="@+id/image7"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:scaleType="fitXY"  android:src="@drawable/image7" />  </com.example.rotate3d.Image3DSwitchView>  <Button  android:id="@+id/btn"  android:text="1/7"  android:textSize="32dp"  android:textColor="#ffffff"  android:layout_below="@+id/image_switch_view"  android:background="@drawable/button_style"  android:layout_width="match_parent"  android:layout_height="100dp" />  </RelativeLayout> 

@Override  public boolean dispatchKeyEvent(KeyEvent event) {  if (event.getAction() == KeyEvent.ACTION_DOWN){  switch (event.getKeyCode()){  //按下鍵 響應(yīng)回調(diào)  case KeyEvent.KEYCODE_DPAD_DOWN:  if (onFocusListener != null){onFocusListener.onFocus();}  break;  //按確定鍵  case KeyEvent.KEYCODE_DPAD_CENTER:  Toast.makeText(getContext(),"點(diǎn)擊了圖片"+(currentPage%7+1),Toast.LENGTH_SHORT).show();  break;  //右鍵  case KeyEvent.KEYCODE_DPAD_RIGHT:  scrollToNext();  if (onFocusListener !=null){  onFocusListener.setValue((currentPage%7+1)+"");  }  break;  //左鍵  case KeyEvent.KEYCODE_DPAD_LEFT:  scrollToPrevious();  if (onFocusListener !=null){  onFocusListener.setValue((currentPage%7+1)+"");  }  break;  }  }  return true;  } 

setFocusable(true); 

public interface OnFocusListener{  void onFocus();//處理焦點(diǎn)  void setValue(String value);//處理當(dāng)前頁碼 } private OnFocusListener onFocusListener; public void setonFocusListener(OnFocusListener onFocusListener){  this.onFocusListener = onFocusListener; } @Override public boolean dispatchKeyEvent(KeyEvent event) {  if (event.getAction() == KeyEvent.ACTION_DOWN){  switch (event.getKeyCode()){  //按下鍵 響應(yīng)回調(diào)  case KeyEvent.KEYCODE_DPAD_DOWN:  if (onFocusListener != null){onFocusListener.onFocus();}  break;  //按確定鍵  case KeyEvent.KEYCODE_DPAD_CENTER:  Toast.makeText(getContext(),"點(diǎn)擊了圖片"+(currentPage%7+1),Toast.LENGTH_SHORT).show();  break;  //右鍵  case KeyEvent.KEYCODE_DPAD_RIGHT:  scrollToNext();  if (onFocusListener !=null){  onFocusListener.setValue((currentPage%7+1)+"");  }  break;  //左鍵  case KeyEvent.KEYCODE_DPAD_LEFT:  scrollToPrevious();  if (onFocusListener !=null){  onFocusListener.setValue((currentPage%7+1)+"");  }  break;  }  }  return true; } 

image3DSwitchView.setonFocusListener(new Image3DSwitchView.OnFocusListener() {  @Override  public void onFocus() {  btn.requestFocus();//讓Image3DSwitchView控件下的按鈕獲得焦點(diǎn)  }  @Override  public void setValue(String value) {  btn.setText(value+"/7");//給按鈕設(shè)置 第幾頁/共幾頁  }  });