Uncovering hidden Android features. Let's say if you pull down your notification bar, you can see them from Gmail, from Uber, from Creator Studio, from YouTube and other applications. They're nicely organized in little pieces, right? But sometimes you want to get notifications from some applications, and at times you don't want to get notifications from other applications, though you still want to have the app on your phone. How do you do that? Is there a way to control where you get your notifi