Need to have your phone on silent for that meeting or school? Don’t want to fiddle around settings and different apps?Sound Protector offers you simplicity with three buttons that silence, normalizes, or silences and airplane mods your alarm, music, notification, ring, system, and voice volumes.Explanation for Permissions:android.permission.VIBRATE – So you know you pressed the buttonandroid.permission.WRITE_SETTINGS – Changed ringer profilesandroid.permission.ACCESS_WIFI_STATE – Turn off wifi for airplane modeandroid.permission.CHANGE_WIFI_STATE – See if wifi is enabled for the airplane mode