https://play.google.com/store/apps/details?id=io.github.diontools.donotspeak https://play.google.com/store/apps/details?id=io.github.dion... Forces volume on s

https://play.google.com/store/apps/details?id=io.github.diontools.donotspeak https://play.google.com/store/apps/details?id=io.github.dion... Forces volume on speaker to stay at zero unless temporarily disabled or headphones are connected. Works great.