pub unsafe static MFMessageComposeViewControllerTextMessageAvailabilityDidChangeNotification: &'static NSStringAvailable on crate feature
MFMessageComposeViewController only.Expand description
Notification posted when the value of +[MFMessageComposeViewController canSendText] has changed.
This notification is posted when the value of +[MFMessageComposeViewController canSendText] has changed. Clients should invalidate any caches and update UI as appropriate.
See also Apple’s documentation