Android:Fragment实现带导航条的页面左右切换

public class MyFragmentPagerAdapter extends FragmentPagerAdapter{
private List<Fragment>fragList;
private List<String>titleList;
public MyFragmentPagerAdapter(FragmentManager fm,List<Fragment> fragList,List<String>titleList) {
super(fm);
// TODO Auto-generated constructor stub
this.fragList=fragList;
this.titleList=titleList;
}

@Override
public Fragment getItem(int arg0) {
// TODO Auto-generated method stub
return fragList.get(arg0);
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return fragList.size();
}

@Override
public CharSequence getPageTitle(int position) {
// TODO Auto-generated method stub
return titleList.get(position);
}

@Override
public void destroyItem(ViewGroup container, int position, Object object) {
// TODO Auto-generated method stub
super.destroyItem(container, position, object);
}

@Override
public Object instantiateItem(ViewGroup arg0, int arg1) {
// TODO Auto-generated method stub
return super.instantiateItem(arg0, arg1);
}

}

private ViewPager pager;
private List<String>titleList;
private PagerTabStrip tab;
private List<Fragment>fragList;

//添加你的Fragment
fragList=new ArrayList<Fragment>();
fragList.add(new Fragment1());
fragList.add(new Fragment2());
fragList.add(new Fragment3());
fragList.add(new Fragment4());

titleList=new ArrayList<String>();
titleList.add("第一页");
titleList.add("第二页");
titleList.add("第三页");
titleList.add("第四页");

tab=(PagerTabStrip) findViewById(R.id.tab);
tab.setBackgroundColor(Color.YELLOW);
tab.setTabIndicatorColor(Color.BLUE);
tab.setDrawFullUnderline(false);
tab.setTextColor(Color.RED);

pager=(ViewPager) findViewById(R.id.pager);
MyFragmentPagerAdapter adapter=new MyFragmentPagerAdapter(getSupportFragmentManager(), fragList, titleList);
pager.setAdapter(adapter);