简单的TabLayout+Fragment选项卡

TabLayout属性：

app:tabIndicatorColor="#fff"  //下方滚动的下划线颜色

app:tabIndicatorHeight="10dp"  //滚动的下划线的宽度

app:tabSelectedTextColor="#00f" // tab被选中后，文字的颜色  

app:tabTextColor="#fff"  // tab默认的文字颜色 

app:tabMode="scrollable"  // Tab可滚动  默认不可以滚动

app:tabMaxWidth="0dp" //Tab填充

TabLayout依赖：implementation 'com.android.support:design:26.1.0'

选项卡布局：

<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.lantianbaiyunyk.asus.tablayout.MainActivity">

    <android.support.design.widget.TabLayout
        android:layout_height="50dp"
        android:layout_width="match_parent"
        android:id="@+id/course_search_tablayout"
        app:tabGravity="fill"
        app:tabMode="fixed"
        app:tabTextColor="#666666"
        app:tabSelectedTextColor="#0414f6"
        app:tabIndicatorColor="#0414f6"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:orientation="vertical"
        android:background="#ddd"
        >

        <android.support.v4.view.ViewPager
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:id="@+id/search_pager"
            >

        </android.support.v4.view.ViewPager>

    </LinearLayout>

</TableLayout>

MyActivity:

public class MainActivity extends AppCompatActivity {


    private TabLayout course_search_tablayout;
    private ViewPager search_pager;
    private ArrayList<android.support.v4.app.Fragment> mFragments = new ArrayList<>();
    private ArrayList<String> list = new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        Fragment1 fragment1 = new Fragment1();
        Fragment2 fragment2 = new Fragment2();
        Fragment3 fragment3 = new Fragment3();
        mFragments.add(fragment1);
        mFragments.add(fragment2);
        mFragments.add(fragment3);
        list.add("页面一");
        list.add("页面二");
        list.add("页面三");
        course_search_tablayout.setupWithViewPager(search_pager);
        search_pager.setAdapter(new Adapter(getSupportFragmentManager(),mFragments,list));


    }


    private void initView() {
        course_search_tablayout = (TabLayout) findViewById(R.id.course_search_tablayout);
        search_pager = (ViewPager) findViewById(R.id.search_pager);
    }
}

Adapter:

public class Adapter extends FragmentPagerAdapter{
    private ArrayList<Fragment> fragments;
    private ArrayList<String> list;

    public Adapter(FragmentManager fm, ArrayList<Fragment> fragments, ArrayList<String> list) {
        super(fm);
        this.fragments = fragments;
        this.list = list;
    }

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

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

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