@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_info); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); // Back button setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); if (actionBar != null) { actionBar.setDisplayHomeAsUpEnabled(true); } mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); mViewPager = (ViewPager) findViewById(R.id.container); mViewPager.setAdapter(mSectionsPagerAdapter); TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs); tabLayout.setupWithViewPager(mViewPager); // Set title if object exists. MalwareObject malwareObject = getIntent().getExtras().getParcelable("malware"); if (malwareObject != null) { getSupportActionBar().setTitle(malwareObject.getName()); } }