Como o Eureka é usado para criar um novo registro, que inclui diferentes tipos de dados, um sendoMediaPicker, Eu estou querendo saber como apresentar seu viewController.

Qual linha faria o trabalho?PushRow ouButtonRow

Aqui está a minha turma onde eu tento criar isso.

import UIKit
import MediaPlayer

import Eureka

public final class MusicRow<T: Equatable> : SelectorRow<T, PushSelectorCell<T>, SelectorViewController<T>>, RowType {

    public required init(tag: String?) {
        super.init(tag: tag)
        presentationMode = .Show(controllerProvider: ControllerProvider.Callback {
            return AddMusicViewController(){ _ in }
            }, completionCallback: { vc in
                vc.navigationController?.popViewControllerAnimated(true)
        })
    }
}

public class AddMusicViewController: MPMediaPickerController, MPMediaPickerControllerDelegate {

    var musicPicker: MPMediaPickerController!

    public var row: RowOf<MPMediaItemCollection>!

    public var completionCallback : ((UIViewController) -> ())?

    public override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        // Setup sections/rows for tableView
        addMusic()
    }

    // Initialize musicPicker and customize it
    func addMusic() {
        musicPicker = MPMediaPickerController.self(mediaTypes:.Music)
        musicPicker.delegate = self
        musicPicker.allowsPickingMultipleItems = true
        view.addSubview(musicPicker.view)
    }

    // After selection, store the data into an array
    public func mediaPicker(mediaPicker: MPMediaPickerController, didPickMediaItems mediaItemCollection: MPMediaItemCollection) {
        musicTemp = nil
        musicTemp = mediaItemCollection
        if musicTemp == nil {
            noMusic = true
        } else {
            noMusic = false
        }
        completionCallback?(self)
    }

    // Cancel mediaPickerController
    public func mediaPickerDidCancel(mediaPicker: MPMediaPickerController){
        // Dismiss the picker if the user canceled
        noMusic = true
        completionCallback?(self)
    }
}

Abaixo está o erro que eu enfrento.