<android.support.v4.view.ViewPagerandroid:id="@+id/Pager"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center" ></android.support.v4.view.ViewPager>

private void initViewPager() {// TODO Auto-generated method stubpager = (ViewPager) findViewById(R.id.Pager);LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT,LayoutParams.MATCH_PARENT);ImageView imaV;for (int i = 0; i < ids.length; i++) {imaV = new ImageView(this);imaV.setImageResource(ids[i]);imaV.setLayoutParams(params);imaV.setScaleType(ScaleType.FIT_XY);views.add(imaV);}pager.setAdapter(new MyAdapter(views));}
public class MyAdapter extends PagerAdapter {private List<View> views;public MyAdapter(List<View> views) {this.views = views;}//destroyItem，getCount,instantiateItem实现循环滑动
    @Overridepublic void destroyItem(View arg0, int arg1, Object arg2) {((ViewPager) arg0).removeView(views.get(arg1 % views.size()));}@Overridepublic int getCount() {return views.size();//向右循环滑动//return views.size()*5;
    }@Overridepublic Object instantiateItem(View arg0, int arg1) {Log.e("tag", "instantiateItem = " + arg1);((ViewPager) arg0).addView(views.get(arg1 % views.size()), 0);return views.get(arg1 % views.size());}@Overridepublic boolean isViewFromObject(View arg0, Object arg1) {return arg0 == (arg1);}

}

private ViewPager pager;
pager = (ViewPager) findViewById(R.id.Pager);fragmentList.add(new fragment_1());// fragment_1导入v4的包fragmentList.add(new fragment_1());fragmentList.add(new fragment_1());Log.i("size", fragmentList.size() + "");MyAdapter myadapter = new MyAdapter(getSupportFragmentManager(),fragmentList);pager.setAdapter(myadapter);
}
public class MyAdapter extends FragmentStatePagerAdapter {List<Fragment> fragmentList;// 构造函数public MyAdapter(FragmentManager fm, List<Fragment> fragmentList) {super(fm);// TODO Auto-generated constructor stubthis.fragmentList = fragmentList;}// 重要
        @Overridepublic Fragment getItem(int arg0) {// TODO Auto-generated method stubLog.i("getItem", arg0 + "");return (fragmentList == null || fragmentList.size() == 0) ? null: fragmentList.get(arg0);}// 重要
        @Overridepublic int getCount() {// TODO Auto-generated method stubreturn fragmentList == null ? 0 : fragmentList.size();}}
}

 pager.setOnPageChangeListener(new OnPageChangeListener() {/*** onPageSelected:每次切换页面就会执行 在此实现圆点指示器以及在最后页面显示button*/@Overridepublic void onPageSelected(int arg0) {// TODO Auto-generated method stub}/*** 当页面在滑动的时候会调用此方法，在滑动被停止之前，此方法回得到调用。 其中三个参数的含义分别为：* * arg0 :当前页面，及你点击滑动的页面* * arg1:当前页面偏移的百分比* * arg2:当前页面偏移的像素位置*/@Overridepublic void onPageScrolled(int arg0, float arg1, int arg2) {// TODO Auto-generated method stubif (arg0 == views.size() - 1) {Log.i("jump", "NextActivity");startActivity(new Intent().setClass(MainActivity.this,NextActivity.class));finish();Log.i("finished", "MainActivity");}}@Overridepublic void onPageScrollStateChanged(int arg0) {// TODO Auto-generated method stub
            }});

<android.support.v4.view.ViewPagerandroid:id="@+id/viewPager"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center" ><android.support.v4.view.PagerTabStrip    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_gravity="top" /></android.support.v4.view.ViewPager>

class myPagerAdapter extends FragmentPagerAdapter {private List<Fragment> fragmentList;private List<String>   titleList;public myPagerAdapter(FragmentManager fm, List<Fragment> fragmentList, List<String> titleList){super(fm);this.fragmentList = fragmentList;//this.fragmentList为这个类下的变量，右边的fragmentList是构造函数的参数this.titleList = titleList;}.........

public CharSequence getPageTitle(int position) {return (titleList.size() > position) ? titleList.get(position) : "";}