TabLayout && ViewPager _MyActivity(主页)

package com.example.toutiao;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import java.util.ArrayList;public class MyTabLayout extends AppCompatActivity {    private TabLayout tablayout;    private ViewPager vp;    private ArrayList<String> list;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_tab_layout);        //初始化控件        tablayout = (TabLayout) findViewById(R.id.tablayout);        vp = (ViewPager) findViewById(R.id.vp);        //创建集合向集合中添加导航数据        list = new ArrayList<String>();        list.add("头条");        list.add("社会");        list.add("国内");        list.add("国际");        list.add("娱乐");        list.add("体育");        list.add("军事");        list.add("科技");        list.add("财经");        list.add("时尚");        //设置适配器        vp.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {            //在此重写此方法得到当前页面的标题            //也就是设置tab对应的标题            @Override            public CharSequence getPageTitle(int position) {                return list.get(position);            }            //在此方法中动态添加fragment            @Override            public Fragment getItem(int position) {                NewsFragment newsFragment = new NewsFragment();                Bundle bundle = new Bundle();                //判断当前的导航显示的数据来向Bundle对象中添加相应的数据                if (list.get(position).equals("头条")){                    bundle.putString("name","top");                }else if (list.get(position).equals("社会")){                    bundle.putString("name","shehui");                }else if (list.get(position).equals("国内")){                    bundle.putString("name","guonei");                }else if (list.get(position).equals("国际")){                    bundle.putString("name","guoji");                }else if (list.get(position).equals("娱乐")){                    bundle.putString("name","yule");                }else if (list.get(position).equals("体育")){                    bundle.putString("name","tiyu");                }else if (list.get(position).equals("军事")){                    bundle.putString("name","junshi");                }else if (list.get(position).equals("科技")){                    bundle.putString("name","keji");                }else if (list.get(position).equals("财经")){                    bundle.putString("name","caijing");                }else if (list.get(position).equals("时尚")){                    bundle.putString("name","shishang");                }                //给fragment 加bundle 数据                //activity与fragment 1.getset，2.接口回调，3.setArguments ,getAraguments                newsFragment.setArguments(bundle);                return newsFragment;            }            @Override            public int getCount() {                return list.size();            }        });        //设置tablayout和ViewPager关联(此代码是整个项目的核心)        tablayout.setupWithViewPager(vp);    }}