Why not use video tutorials instead? There's a 2h 40min 'Android Studio Essential Training' video series. I haven't seen this one but I've worked through other video tutorials on their site and the quality is absolutely first class. They're doing a 10 day free trial too so you could work through this course for free.
Youtube is potentially fine for this kind of thing but the problem is that it's a needle in a haystack situation to find exactly the video for what you need art any moment in time. Much better to find a complete course.