DroidNinja / FirebaseTuts

http://arunsharma.me/blog/integrate-push-notifications-using-firebase-cloud-messaging-fcm/

FirebaseTuts

http://arunsharma.me/blog/integrate-push-notifications-using-firebase-cloud-messaging-fcm/

http://arunsharma.me/blog/how-to-use-firebase-dynamic-links-and-invites/