MainActivity.java

package com.tabmodule;

import android.os.Bundle;
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 com.tabmodule.fragment.SimpleFragment;

public class MainActivity extends AppCompatActivity {
    private TabLayout mTabLayout;
    private ViewPager mViewPager;
    private int mTabCount = 4;
    private FragmentPagerAdapter mAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mTabLayout = (TabLayout) findViewById(R.id.id_tablayout);
        mViewPager = (ViewPager) findViewById(R.id.id_viewpager);
        mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {

            @Override
            public Fragment getItem(int position) {
                return new SimpleFragment();
            }

            @Override
            public int getCount() {
                return mTabCount;
            }

            @Override
            public CharSequence getPageTitle(int position) {
                return "TabTitle" + position;
            }
        };
        mViewPager.setAdapter(mAdapter);
        mTabLayout.setupWithViewPager(mViewPager);
    }
}