Navigation Drawer gets official Google guidelines

Finally, the pattern that is now called Navigation Drawer has got official guidelines from Google. This pattern has become very popular in apps but the implementation has been very different due to lack of official support. Now the situation is changing and not only has Google released design guidelines but also they've also released support library update allowing devs to build their apps in a unified way.

Navigation Drawer design guidelines
Creating a Navigation Drawer

Now lets see what the rest of the Google IO brings :)