android 左右翻页

布局：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:andro>FrameworkList:

package lcl.android.ui;

import java.util.ArrayList;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

public class FrameworkList extends FragmentPagerAdapter {

    private ArrayList<Fragment> mFragments;

    public FrameworkList(FragmentManager fm) {
        super(fm);
        mFragments = new ArrayList<Fragment>();
        mFragments.add(new Blog());
        mFragments.add(new Framework());
        mFragments.add(new Works());
        mFragments.add(new Serve());
        mFragments.add(new About());
    }

    @Override
    public Fragment getItem(int position) {
        return mFragments.get(position);
    }

    @Override
    public int getCount() {
        return mFragments.size();
    }
}