MainActivity.java

    private void setupViewPagerAndTabLayout() {
        final ViewPager viewPager = (ViewPager) findViewById(R.id.main_view_pager);
        viewPager.setAdapter(new MainViewPagerAdapter(getSupportFragmentManager(), this));

        TabLayout tabLayout = (TabLayout) findViewById(R.id.main_tab_layout);
        tabLayout.setTabMode(TabLayout.MODE_FIXED);
        tabLayout.setTabsFromPagerAdapter(viewPager.getAdapter());

        viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));

        TabLayout.Tab tab = null;
        for(int i = tabLayout.getTabCount() - 1; i >= 0; i--) {
            tab = tabLayout.getTabAt(i);
        }
        tab.select();

        tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
                viewPager.setCurrentItem(tab.getPosition(), true);
            }

            @Override
            public void onTabUnselected(TabLayout.Tab tab) {

            }

            @Override
            public void onTabReselected(TabLayout.Tab tab) {

            }
        });
    }