rlxone

/* 
    static func getOutputDevices() -> [AudioDeviceID: String]?
    static func isOutputDevice(deviceID: AudioDeviceID) -> Bool
    static func getAggregateDeviceSubDeviceList(deviceID: AudioDeviceID) -> [AudioDeviceID]
    static func isAggregateDevice(deviceID: AudioDeviceID) -> Bool
    static func setDeviceVolume(deviceID: AudioDeviceID, leftChannelLevel: Float, rightChannelLevel: Float)
    static func setOutputDevice(newDeviceID: AudioDeviceID)
    static func getDeviceVolume(deviceID: AudioDeviceID) -> [Float]
    static func getDefaultOutputDevice() -> AudioDeviceID
*/

rlxone

//: A UIKit based Playground for presenting user interface

import UIKit
import PlaygroundSupport

class CardView: UICollectionViewCell {
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupView()