private int [] imageId ={R.drawable.a1,R.drawable.a2,R.drawable.a3,
            R.drawable.a4,R.drawable.a5};
    private String [] images={"http://l2.51fanli.net//tuan//images//1//5806eac956808.jpg",
            "http://l2.51fanli.net//tuan//images//b//580991bb30560.jpg",
            "http://l0.51fanli.net//tuan//images//b//58115f2593dc3.jpg",
            "http://l2.51fanli.net//tuan//images//0//57923840b054d.jpg",
            "http://l2.51fanli.net//tuan//images//e//58101e11ab164.jpg"};
    private ImageView [] points;
    private ViewPager mViewPager;
    private ImagesAdapter mAdapter;
    private int indexPoint = 0;
    private Handler mHandler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            mViewPager.setCurrentItem(indexPoint);
            indexPoint++;
            indexPoint=indexPoint%images.length;
            send();
        }
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initView();
        points=new ImageView[5];
        points[0]=(ImageView)findViewById(R.id.point1);
        points[1]=(ImageView)findViewById(R.id.point2);
        points[2]=(ImageView)findViewById(R.id.point3);
        points[3]=(ImageView)findViewById(R.id.point4);
        points[4]=(ImageView)findViewById(R.id.point5);
        for(ImageView image:points){
            image.setOnClickListener(this);
        }
        updatePoint(indexPoint);
        send();
    }


    private void updatePoint(int position) {
        //先把所有點初始化原來的樣式
        for(ImageView image:points){
            image.setImageResource(R.drawable.nor);
        }
        points[position].setImageResource(R.drawable.sel);
    }

    @Override
    public void onClick(View v) {
        mHandler.removeCallbacksAndMessages(null);
        int index =Integer.valueOf( v.getTag().toString());
        mViewPager.setCurrentItem(index,false);
        indexPoint=index+1;
        send();
    }

    public void send(){
        new Thread(){
            @Override
            public void run() {
                mHandler.sendEmptyMessageDelayed(indexPoint,2000);
            }
        }.start();
    }


    private void initView() {
        mViewPager=(ViewPager)findViewById(R.id.viewpager);
        mAdapter=new ImagesAdapter();
        mViewPager.setAdapter(mAdapter);
        mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

            }

            @Override
            public void onPageSelected(int position) {
                updatePoint(position);
            }

            @Override
            public void onPageScrollStateChanged(int state) {

            }
        });
    }

    class ImagesAdapter extends PagerAdapter{

        @Override
        public int getCount() {
            return images.length;
        }

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

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            ImageView imageView=new ImageView(MainActivity.this);
//            imageView.setImageResource(imageIds[position]);
            Glide.with(MainActivity.this)
                    .load(images[position])
                    .placeholder(R.drawable.nor)
                    .into(imageView);
            container.addView(imageView);
            return imageView;
        }

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

    @Override
    protected void onDestroy() {
        super.onDestroy();
        mHandler.removeCallbacksAndMessages(null);
    }