<android.support.v4.view.ViewPager

        android:id="@+id/pager"

        android:layout_width="match_parent"

        android:layout_height="0dp"

        android:layout_weight="1" />

public class MyViewPagerAdapter extends PagerAdapter{

        private List<View> mListViews;

        public MyViewPagerAdapter(List<View> mListViews) {

            this.mListViews = mListViews;//构造方法，参数是我们的页卡，这样比较方便。

        }

        @Override

        public void destroyItem(ViewGroup container, int position, Object object)   {

            container.removeView(mListViews.get(position));//删除页卡

        }

        @Override

        public Object instantiateItem(ViewGroup container, int position) {  //这个方法用来实例化页卡

            container.addView(mListViews.get(position), 0);//添加页卡

            return mListViews.get(position);

        }

        @Override

        public int getCount() {

            return  mListViews.size();//返回页卡的数量

        }

        @Override

        public boolean isViewFromObject(View arg0, Object arg1) {

            return arg0==arg1;//官方提示这样写

        }

    }