<android.support.v4.view.ViewPager

android:id="@+id/viewPager"

android:layout_width="match_parent"

android:layout_height="wrap_content"

>

</android.support.v4.view.ViewPager>

public class MainActivity extends Activity {

private ViewPager viewPager;

private ArrayList<View> pageview;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //设置无标题栏

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        setContentView(R.layout.main);

        viewPager = (ViewPager) findViewById(R.id.viewPager);

        //查找布局文件用LayoutInflater.inflate

        LayoutInflater inflater =getLayoutInflater();

        View view1 = inflater.inflate(R.layout.item01, null);

        View view2 = inflater.inflate(R.layout.item02, null);

        View view3 = inflater.inflate(R.layout.item03, null);

        //将view装入数组

        pageview =new ArrayList<View>();

        pageview.add(view1);

        pageview.add(view2);

        pageview.add(view3);

        //数据适配器

        PagerAdapter mPagerAdapter = new PagerAdapter(){

            @Override

            //获取当前窗体界面数

            public int getCount() {

                // TODO Auto-generated method stub

                return pageview.size();

            }

            @Override

            //断是否由对象生成界面

            public boolean isViewFromObject(View arg0, Object arg1) {

                // TODO Auto-generated method stub

                return arg0==arg1;

            }

            //是从ViewGroup中移出当前View

             public void destroyItem(View arg0, int arg1, Object arg2) {

                    ((ViewPager) arg0).removeView(pageview.get(arg1));

                }  

            //返回一个对象，这个对象表明了PagerAdapter适配器选择哪个对象放在当前的ViewPager中

            public Object instantiateItem(View arg0, int arg1){

                ((ViewPager)arg0).addView(pageview.get(arg1));

                return pageview.get(arg1);

            }

        };

        //绑定适配器

        viewPager.setAdapter(mPagerAdapter);

    }

}