TabLayout的使用

private TabLayout tabLayout;
private ViewPager viewPager;
private List<Fragment> fragmentList=new ArrayList<>();
private List<String> list=new ArrayList<>();
String[] strings = {"数据新闻","快讯","头条","精编公告","美股","港股","基金","理财"};
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment04, container, false);
    tabLayout = view.findViewById(R.id.tablayout);
    viewPager = view.findViewById(R.id.viewpager);
    for (int i=0;i<8;i++){
        fragmentList.add(new Fragment001());
        if (i==0){
            list.add("数据新闻");
        }else if(i==1){
            list.add("快讯");
        }else if(i==2){
            list.add("头条");
        }else if(i==3){
            list.add("精编公告");
        }else if(i==4){
            list.add("美股");
        }else if(i==5){

            list.add("港股");
        }else if(i==6){
            list.add("基金");
        }else if(i==7){
            list.add("理财");
        }
    }
    viewPager.setAdapter(new FragmentPagerAdapter(getActivity().getSupportFragmentManager()) {
        @Override
        public Fragment getItem(int position) {
            return fragmentList.get(position);
        }

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

        @Override
        public CharSequence getPageTitle(int position) {
            return list.get(position);
        }
    });

    tabLayout.setTabMode(TabLayout.MODE_FIXED);
    tabLayout.setupWithViewPager(viewPager);
    return view;
}




<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <android.support.design.widget.TabLayout
        android:id="@+id/tablayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        app:tabMaxWidth="0dp"
        app:tabGravity="fill"
        app:tabMode="fixed"/>
    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="9"/>

</LinearLayout>