AWSLexAudioSession

Objective-C

@interface AWSLexAudioSession : NSObject

Swift

class AWSLexAudioSession : NSObject

Wrapper to AVAudioSession class. It auto-detects output source(Internal speaker or microphone) at runtime by listening to AVAudioSessionRouteChangeNotification.

  • Undocumented

    Declaration

    Objective-C

    + (instancetype)sharedInstance;

    Swift

    class func sharedInstance() -> Self

  • Set AVAudioSession category to AVAudioSessionCategoryPlayAndRecord

    Declaration

    Objective-C

    - (void)setPlayAndRecordCategory:(NSError *_Nullable *_Nullable)outError;

    Swift

    func setPlayAndRecordCategory(_ outError: NSErrorPointer)

  • Override output audio port to AVAudioSessionPortOverrideSpeaker if headset is not detected.

    Declaration

    Objective-C

    - (void)overrideOutputAudioPort:(NSError *_Nullable *_Nullable)outError;

    Swift

    func overrideOutputAudioPort(_ outError: NSErrorPointer)

  • Request record permission to AVAudioSession.

    Declaration

    Objective-C

    - (void)requestRecordPermission:(nonnull void (^)(BOOL))response;

    Swift

    func requestRecordPermission(_ response: @escaping (Bool) -> Void)

  • Start observing for AVAudioSessionRouteChangeNotification if not already started.

    Declaration

    Objective-C

    - (void)startObservingAudioSessionRouteChangeNotification;

    Swift

    func startObservingAudioSessionRouteChangeNotification()

  • Remove observing for AVAudioSessionRouteChangeNotification.

    Declaration

    Objective-C

    - (void)endObservingAudioSessionRouteChangeNotification;

    Swift

    func endObservingAudioSessionRouteChangeNotification()