I got this answer from apple support regarding this issue. This solved my problem. I hadn't added the option mixWithOthers.
With the following code (in a basic iOS app from the Xcode template, using Xcode 13.2 with iOS 15.2):
override func viewDidLoad() {
super.viewDidLoad()
let session = AVAudioSession.sharedInstance()
try! session.setCategory(.playAndRecord, mode: .measurement, options: [.mixWithOthers, .defaultToSpeaker])
try! session.setActive(true)
print(session.currentRoute)
}
I get the following output:
<AVAudioSessionRouteDescription: 0x28348c9a0,
inputs = (
"<AVAudioSessionPortDescription: 0x28348c960, type = MicrophoneBuiltIn; name = iPhone Microphone; UID = Built-In Microphone; selectedDataSource = Bottom>"
);
outputs = (
"<AVAudioSessionPortDescription: 0x28348c8e0, type = Speaker; name = Speaker; UID = Speaker; selectedDataSource = (null)>"
)>
That seems to be what you want: both input and output at the bottom of the device. Is this the configuration you’re looking for?
fredrik_ohberg
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Does anyone have any idea on how to solve this problem?