Slide 21
Slide 21 text
References:
http://square.github.io/otto/
https://asherson.wordpress.com/2013/02/20/otto-event-
bus-for-android/
http://www.vogella.com/tutorials/JavaLibrary-
EventBusOtto/article.html
https://corner.squareup.com/2012/07/otto.html
https://github.com/square/otto/issues/27
http://nick.perfectedz.com/otto-event-system/