title: "setSupportActionBar(toolbar)" inside FragmentActivity?
body: <p>How do I access <code>setSupportActionBar(Toolbar toolbar)</code> inside <code>FragmentActivity</code>?
  I can't access it inside <code>FragmentActivity</code></p>
  
  <pre><code>toolbar = (Toolbar) findViewById(R.id.search_bar);
  setSupportActionBar( toolbar);
  </code></pre>