If you're trying to fill holes in your android development skills, you should consider doing the android nanodegree on udacity. It was developed by Google, so

If you're trying to fill holes in your android development skills, you should consider doing the android nanodegree on udacity. It was developed by Google, so you know it'll cover almost everything and give you best practices approach to developing android apps. It's also well structured and can be done in your free time. https://www.udacity.com/course/android-developer-nanodegree-by-google--nd801?v=ad2 https://www.udacity.com/course/android-developer-nanodegree-... If you don't want to pay for the nanodegree, you can also take the courses individually for free (without getting credit).