How can I mute incoming iPhone text messages programmatically?
问题 I'm currently trying to use the AVSystemController private framework to mute system noises based on the user's selection. I'm currently muting phone calls by calling: [(AVSystemController object) setVolumeTo:0.0 forCategory:@"Ringtone"]; Is there a command to do that for incoming text messages? I imagine it would be based on a change in the category identified in that call. However, I can't find a list of categories to reference. Of the 10 I've been able to find (Alert, Audio/Video, Ringtone,