原理圖：

程式碼實現

public class CyclerViewPager extends ViewPager {
    public CyclerViewPager(Context context) {
        super(context);
    }

    public CyclerViewPager(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public void addOnPageChangeListener
 
(OnPageChangeListener listener) {
        MyPageChangeListener myPageChangeListener = new MyPageChangeListener(listener);
        super.addOnPageChangeListener(myPageChangeListener);
    }

    @Override
    public void setAdapter(PagerAdapter adapter) {
        //  修正  adapter 中position
        MyAdapter myAdapter = new
 
 MyAdapter(adapter);
        addOnPageChangeListener(null); //手動增加一個監聽
        super.setAdapter(myAdapter);
        setCurrentItem(1);
        //開啟自動輪播
        startScroll();//自動輪播
    }

    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        //手指觸控  按下 停止輪播  擡起繼續輪播
        switch (ev.getAction()){
            case
 
 MotionEvent.ACTION_DOWN:
                stopScroll();
                break;
            case MotionEvent.ACTION_MOVE:
                break;
            case MotionEvent.ACTION_CANCEL://取消事件
            case MotionEvent.ACTION_UP:
                startScroll();
                break;
        }

        return super.onTouchEvent(ev);
    }

    Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            int currentItem = getCurrentItem();
            currentItem ++;
            setCurrentItem(currentItem);
            handler.sendEmptyMessageDelayed(1, 4000);//4s傳送訊息
        }
    };

    public void startScroll() {
        //開啟輪播
        handler.sendEmptyMessageDelayed(1, 4000);//4s傳送訊息
    }

    public void stopScroll(){
        handler.removeMessages(1);
    }


    public class MyPageChangeListener implements OnPageChangeListener {

        private OnPageChangeListener listener;
        private int position;

        public MyPageChangeListener(OnPageChangeListener listener) {

            this.listener = listener;
        }

        @Override
        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
            if (listener != null)
                listener.onPageScrolled(position, positionOffset, positionOffsetPixels);
        }

        @Override
        public void onPageSelected(int position) {
            this.position = position;
            if (listener != null)
                listener.onPageSelected(position);
        }

        @Override
        public void onPageScrollStateChanged(int state) {
            //狀態改變的時候 呼叫    手指擡起的時候切換
            if (state == ViewPager.SCROLL_STATE_IDLE) {
                //空閒切換
                // 頁面切換   自動的切換到對應的介面    最後一個A----->第一個A
                if (position == getAdapter().getCount() - 1) {
                    //最後一個元素  是否平滑切換
                    setCurrentItem(1, false);
                } else if (position == 0) {
                    //是第一個元素{D] ----> 倒數第二個元素[D]
                    setCurrentItem(getAdapter().getCount() - 2, false);
                }
            }
            if (listener != null)
                listener.onPageScrollStateChanged(state);
        }
    }

    public class MyAdapter extends PagerAdapter {

        private PagerAdapter adapter;

        public MyAdapter(PagerAdapter adapter) {

            this.adapter = adapter;  //[ABCD]
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            //  position 已經是 [DABCDA] 的索引了
            // 修正後的索引 應該是 [ABCD]的索引
            //修正position
            if (position == 0) { //新增的D
                position = adapter.getCount() - 1;// 最後一個元素
            } else if (position == getCount() - 1) {  //最後一個元素 A
                position = 0;
            } else {
                position -= 1; //計算新的索引
            }
            return adapter.instantiateItem(container, position);
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            adapter.destroyItem(container, position, object);
        }

        @Override
        public int getCount() {
            return adapter.getCount() + 2;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return adapter.isViewFromObject(view, object);
        }
    }
}