VolumeMonitor

final class VolumeMonitor

Monitor volume setting on device and the “silence” or “mute” switch. When there is no apparent audio output, update the Keyboard and NotePlayer instances so that they can show an indication to the user.

  • Set to true if there is a valid preset installed and in use by the sampler.

    Declaration

    Swift

    public var activePreset: Bool

  • Construct new monitor.

    Declaration

    Swift

    init(keyboard: Keyboard?)

    Parameters

    keyboard

    Keyboard instance that handle key renderings

  • Begin monitoring volume of the given AVAudioSession

    Declaration

    Swift

    func start()

    Parameters

    session

    the AVAudioSession to monitor

  • Stop monitoring the output volume of an AVAudioSession

    Declaration

    Swift

    func stop()

  • Show any previously-posted silence reason.

    Declaration

    Swift

    func repostNotice()