TabLayout

package com.example.myapplication;

import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
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;
import java.util.List;

public class MainActivity extends AppCompatActivity {
private String[] mTitle={“新闻”,”娱乐”,”世界”,”哈哈”,”嘻嘻”};
List list=new ArrayList<>();

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    TabLayout mTalLyout=findViewById(R.id.mTalLayout);
    ViewPager mViewPager=findViewById(R.id.mViewPage);

    for (int i=0;i<mTitle.length;i++){

        list.add(new Fragment1());
    }
    MyAdpater myAdpater=new MyAdpater(getSupportFragmentManager());
    mViewPager.setAdapter(myAdpater);
    mTalLyout.setupWithViewPager(mViewPager);

}
class MyAdpater extends FragmentPagerAdapter{

    public MyAdpater(FragmentManager fm) {
        super(fm);
    }

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

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

    @Override
    public CharSequence getPageTitle(int position) {
        return mTitle[position];
    }
}

}