<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent">
 <android.support.v4.view.ViewPager
  android:id="@+id/vp"
  android:layout_width="match_parent"
  android:layout_height="210dp"/>
 <LinearLayout
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:layout_alignBottom="@id/vp"
  android:background="#55000000"
  android:gravity="center_horizontal"
  android:orientation="vertical"
  android:padding="5dp">
  <TextView
   android:id="@+id/tv_img_desc"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="这里是广告标题"
   android:textColor="#ffffff"
   android:textSize="16sp"/>
  <!-- 动态添加小圆点，用一个水平的线性布局 -->
  <LinearLayout
   android:id="@+id/ll_dot_group"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:orientation="horizontal"/>
 </LinearLayout>
</RelativeLayout>

public class MainActivity extends AppCompatActivity implements ViewPager.OnPageChangeListener {

 private List<ImageView> vpLists;
 private LinearLayout ll_dot_group; //用来添加小圆点
 private String[] imageDescArrs;
 private TextView tv_img_desc;
 private ViewPager vp;

 private boolean isSwitchPager = false; //默认不切换
 private int previousPosition = 0; //默认为0

 private Handler handler = new Handler() {
  public void handleMessage(android.os.Message msg) {
   //更新当前viewpager的 要显示的当前条目
   vp.setCurrentItem(vp.getCurrentItem() + 1);
  }
 };

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  initView();
 }

 /**
  * 初始化view
  */
 private void initView() {
  vp = (ViewPager) findViewById(R.id.vp);
  ll_dot_group = (LinearLayout) findViewById(R.id.ll_dot_group);
  tv_img_desc = (TextView) findViewById(R.id.tv_img_desc);

  initViewPagerData();
  vp.setAdapter(new ViewpagerAdapter());

  //设置当前viewpager要显示第几个条目
  int item = Integer.MAX_VALUE / 2 - (Integer.MAX_VALUE / 2 % vpLists.size());
  vp.setCurrentItem(item);

  //把第一个小圆点设置为白色，显示第一个textview内容
  ll_dot_group.getChildAt(previousPosition).setEnabled(true);
  tv_img_desc.setText(imageDescArrs[previousPosition]);
  //设置viewpager滑动的监听事件
  vp.addOnPageChangeListener(this);

  //实现自动切换的功能
  new Thread() {
   public void run() {
    while (!isSwitchPager) {
     SystemClock.sleep(3000);
     //拿着我们创建的handler 发消息
     handler.sendEmptyMessage(0);
    }
   }
  }.start();
 }

 /**
  * 初始化ViewPager的数据
  */
 private void initViewPagerData() {
  imageDescArrs = new String[]{"标题1", "标题2", "标题3", "标题4", "标题5"};
  vpLists = new ArrayList<ImageView>();
  int imgIds[] = {R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.d, R.drawable.e};
  ImageView iv;
  View dotView;

  for (int i = 0; i < imgIds.length; i++) {
   iv = new ImageView(this);
   iv.setBackgroundResource(imgIds[i]);
   vpLists.add(iv);
   //准备小圆点的数据
   dotView = new View(getApplicationContext());
   dotView.setBackgroundResource(R.drawable.selector_dot);
   //设置小圆点的宽和高
   LayoutParams params = new LayoutParams(15, 15);
   //设置每个小圆点之间距离
   if (i != 0) {
    params.leftMargin = 15;
   }
   dotView.setLayoutParams(params);
   //设置小圆点默认状态
   dotView.setEnabled(false);
   //把dotview加入到线性布局中
   ll_dot_group.addView(dotView);
  }
 }

 /**
  * 定义数据适配器
  */
 private class ViewpagerAdapter extends PagerAdapter {
  @Override
  public int getCount() {
   return Integer.MAX_VALUE;
  }

  //是否复用当前view对象
  @Override
  public boolean isViewFromObject(View arg0, Object arg1) {
   return arg0 == arg1;
  }

  //初始化每个条目要显示的内容
  @Override
  public Object instantiateItem(ViewGroup container, int position) {
   //拿着position位置 % 集合.size
   int newposition = position % vpLists.size();
   //获取到条目要显示的内容imageview
   ImageView iv = vpLists.get(newposition);
   //要把 iv加入到 container 中
   container.addView(iv);
   return iv;
  }

  //销毁条目
  @Override
  public void destroyItem(ViewGroup container, int position, Object object) {
   //移除条目
   container.removeView((View) object);
  }
 }

 //当新的页面被选中的时候调用
 @Override
 public void onPageSelected(int position) {
  //拿着position位置 % 集合.size
  int newposition = position % vpLists.size();
  //取出postion位置的小圆点 设置为true
  ll_dot_group.getChildAt(newposition).setEnabled(true);
  //把一个小圆点设置为false
  ll_dot_group.getChildAt(previousPosition).setEnabled(false);
  tv_img_desc.setText(imageDescArrs[newposition]);
  previousPosition = newposition;
 }

 @Override
 protected void onDestroy() {
  //当Activity销毁的时候 把是否切换的标记置为true
  isSwitchPager = true;
  super.onDestroy();
 }

 @Override
 public void onPageScrollStateChanged(int state) {
 }

 //当页面开始滑动
 @Override
 public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
 }

}

public int getCount() {
 return Integer.MAX_VALUE;
}

@Override
public Object instantiateItem(ViewGroup container, int position) {
 //拿着position位置 % 集合.size
 int newposition = position % vpLists.size();
 //获取到条目要显示的内容imageview
 ImageView iv = vpLists.get(newposition);
 //要把 iv加入到 container 中
 container.addView(iv);
 return iv;
}

int item = Integer.MAX_VALUE / 2 - (Integer.MAX_VALUE / 2 % vpLists.size());
vp.setCurrentItem(item);

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
 <item android:drawable="@drawable/dot_enable" android:state_enabled="true"></item>
 <item android:drawable="@drawable/dot_normal" android:state_enabled="false"></item>
</selector>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
 <corners android:radius="5dp"/>
 <solid android:color="@android:color/white"/>
</shape>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
 <corners android:radius="5dp"/>
 <solid android:color="@android:color/darker_gray"/>
</shape>