Contents

microphoneInjectionCapabilitiesChangeNotification

A notification the system posts when its capability to inject audio into an input stream changes.

Declaration

class let microphoneInjectionCapabilitiesChangeNotification: NSNotification.Name

Discussion

Query the notification’s userInfo dictionary for AVAudioSessionMicrophoneInjectionIsAvailableKey to determine whether microphone injection is available.

Topics

User-information keys

See Also

Enabling adding audio to calls