Why does music player automatically start?
I suspect it is the same reason my modern day washing machine turns itself on, or I can accidently kick it on, when I'm actually turning on a nearby lightbulb of an anciently wired house... There is not a great tie to an electrical ground, so slight ripples in the line voltage can make the washer think it's getting a 'turn-on' voltage signal.
Feel free to knock down my theory with evidence, but I would wager the musicplayer rarely turns on when you do not have headphones in, and maybe rarely if you are using your own regular headphones.
The headphones with the phone has a nice button feature, which is conveniently, defaultly tied to the music player, so if you want to just start listening to music on your phone, you press the button when no one is on the line. That button just sends some small signal to the phone that says play music.
I suspect we are all doing things that jostle our headphones around (activity that may include walking) and the tugs on the jack are confusing the phone into thinking random voltage fluctuations are telling it to play music.
I'm going to try to rubberband my headphone cord to my phone next time messing about, to see if it happens less often.
I also like the suggested work around of setting a task-ender programs to turn off music player extremely often - if it is actually a problem.
I bet next generations could solve that by setting the voltage threshold a little higher.
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