title: What is the difference between toolbar ,collapsing toolbar ,app bar ,bottom navigation bar and action bar in android?
body: <p>What is the difference between these Android components?</p>
  <ul>
  <li>Action Bar</li>
  <li>Toolbar</li>
  <li>Collapsing Toolbar</li>
  <li>Bottom navigation bar</li>
  <li>App Bar</li>
  </ul>