睡眠静音 (sleep mute) 1.2

set mute at night

Icon is from:
http://www.iconarchive.com/show/pretty-office-8-icons-by-custom-icon-design/Sound-off-icon.html
Thanks for providing the icon

Direct download URL:
https://www.dropbox.com/s/nsumjinyx7htu88/SleepMute-release-1.2.apk?dl=0

open source:
https://github.com/scola/sleepmute