title: Smooth animated Collapsing Toolbar with Android Design Support Library
body: <p>Are there anyway to make Android Design Support Library's Collapsing animation smoother while scrolling? When I release scrolling, it stops suddenly. But what I want is: collapsing animation will continue smoothly even if you stop scrolling.
  <a href="https://github.com/ksoichiro/Android-ObservableScrollView" rel="noreferrer">Android-ObservableScrollView</a> and <a href="https://github.com/noties/Scrollable" rel="noreferrer">Scrollable</a> are the libraries that are collapsing smoothly.</p>