title: How to change the Text color of collapsing toolbar and the back button color of collapsing toolbar in android
body: <p>Is there any library to achieve this effect below</p>
  
  <ul>
  <li>There is pager in the Toolbar  </li>
  <li>This has to be a parallax effect of toolbar</li>
  </ul>
  
  <p><a href="https://i.stack.imgur.com/kbcXb.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kbcXb.png" alt="enter image description here"></a></p>