A Fragment which has 3 Tabs within a ViewPager

myTabFrame.java

import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;         //Ogni classe deve appartenere al support.v4
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class myTabFrame extends Fragment {
	CoordinatorLayout rootLayout;

	@Override
	public View onCreateView(final LayoutInflater inflater, final ViewGroup container, Bundle savedInstanceState) {
		View view = inflater.inflate(R.layout.your_layout, container, false);

		setHasOptionsMenu(true);

		ViewPager mViewPager = (ViewPager) view.findViewById(R.id.viewPager);
		mViewPager.setAdapter(new MyAdapter(getChildFragmentManager()));

		TabLayout tabLayout = (TabLayout) view.findViewById(R.id.tabs);
		tabLayout.setupWithViewPager(mViewPager);

		rootLayout = (CoordinatorLayout)view.findViewById(R.id.coordinatorLayout);

		return view;
	}


	public static class MyAdapter extends FragmentPagerAdapter {
		public MyAdapter(FragmentManager fm) {
			super(fm);
		}

		@Override
		public int getCount() {
			return 3;
		}

		@Override
		public Fragment getItem(int position) {
			switch(position){
				case 0:
					return new Tab0(); 
				case 1:
					return new Tab1();
				case 2:
					return new Tab2();

			}

			return null;
		}

		@Override
		public CharSequence getPageTitle(int position) {
			switch (position) {
				case 0:
					return "Title0";
				case 1:
					return "Title1";
				case 2:
					return "Title2";
			}

			return null;
		}
	}}