MainActivity.java

package br.com.concretesolutions.canarinho.sample.ui.activity;

import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;

import br.com.concretesolutions.canarinho.sample.R;
import br.com.concretesolutions.canarinho.sample.ui.adapter.WatchersPagerAdapter;

/** */
public class MainActivity extends AppCompatActivity {

    private ViewPager viewPager;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_activity);

        final Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        final ActionBar supportActionBar = getSupportActionBar();
        if (supportActionBar != null) {
            supportActionBar.setDisplayHomeAsUpEnabled(true);
            supportActionBar.setDisplayShowTitleEnabled(false);
        }

        viewPager = (ViewPager) findViewById(R.id.viewpager);
        viewPager.setAdapter(new WatchersPagerAdapter(this));

        final TabLayout tabs = (TabLayout) findViewById(R.id.tabs);
        tabs.setupWithViewPager(viewPager);
    }
}