title: How to make an object constatnt at collapsing toolbar layout?
body: <p>I am making an app that develop a profile activity
  my profile activity has a collapse toolbar layout, how to make some view constant under the toolbar while scrolling the screen, these are screen shots of what I mean 
  <a href="https://i.stack.imgur.com/EhvZg.png" rel="nofollow noreferrer">before collapsing</a></p>
  
  <p><a href="https://i.stack.imgur.com/Tdpvr.png" rel="nofollow noreferrer">This what I want to make</a></p>