I am certainly not the first to say it, but I do not like the bottom navigation bar thing. Perhaps because I have been trained to like the slide-out navigation in my years of using Android. Who knows. Regardless, it is a trend and we are seeing more apps toying with the idea. A few months ago, the Spotify beta app introduced this change. You had five tabs with which to navigate and that was that.
A little bit after that update, the bottom bar disappeared.Read More
Latest Spotify beta brings back the bottom nav bar, but redesigned was written by the awesome team at Android Police.