#### Bug Yes #### What is the expected behavior? Should work on click but also on drag of the switch. #### What is the current behavior? It fires up the noted function only on click on the switch and not on the drag of the switch. #### What are the steps to reproduce? http://plnkr.co/edit/BmNRSOvaaRFJKQkiLnFz?p=preview #### Which versions of Angular, Material, OS, browsers are affected? I have tested in almost all latest versions and in Mac El Capitan and Windows 10 with latest Chrome browser.