Internals: When a notification comes in, if the toggle is off, the banner's hidden by not running %orig
in the notification displaying method. This still allows it to appear in the NC.
MIT licensed, as usual.
Note that I won't be releasing this tweak on a stock Cydia repo, as there are already many similar tweaks (albeit none are SBSettings toggles). You can get it from my repo: hbang.ws