Project: CoordinatorLayoutSample (GitHub Link)

CoordinatorLayoutSample

Several samples for CoordinatorLayout uses:

A large fixed toolbar
A scrollable toolbar
A collapsable toolbar
A scrollable and collapsable toolbar
A collapsable toolbar with an image having a parallax animation
A use of CoordinatorLayout behavior
A floating action button with a snackbar
A toolbar with pager tabs
A toolbar with pager tabs and parallax image

Play store

CoordinatorLayout samples - https://play.google.com/store/apps/details?id=com.zanon.tests&hl=fr

Some links:

Android Design Support Library - http://android-developers.blogspot.fr/2015/05/android-design-support-library.html
Handling Scrolls with CoordinatorLayout - https://guides.codepath.com/android/Handling-Scrolls-with-CoordinatorLayout
Material Design with the Android Design Support Library - http://www.sitepoint.com/material-design-android-design-support-library/

Google documentation:

AppBarLayout - https://developer.android.com/reference/android/support/design/widget/AppBarLayout.html
CoordinatorLayout - https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.html
CollapsingToolbarLayout - https://developer.android.com/reference/android/support/design/widget/CollapsingToolbarLayout.html