I don't. When I walk, I like to use a GPS logger app, a heart rate bluetooth app, a pedometer app and maybe sometimes listen to music at the same time. I hate w

I don't. When I walk, I like to use a GPS logger app, a heart rate bluetooth app, a pedometer app and maybe sometimes listen to music at the same time. I hate when Android decides that no, it knows better what I really want and randomly shuts one or more of those off.