Global Variable

AVAudioSessionRouteChangePreviousRouteKey

A user info key that’s used to retrieve the previously active audio session route.

Declaration

NSString *const AVAudioSessionRouteChangePreviousRouteKey;

Discussion

The value for this key is an AVAudioSessionRouteDescription object that describes the audio route settings prior to the route change.

See Also

User Info Keys

AVAudioSessionRouteChangeReasonKey

A user info key that’s used to retrieve the route change reason.