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我正在尝试为我的 iOS 应用程序启用一个简单的 Siri Intent，使用 TableView 单元来调用INUIAddVoiceShortcutViewController，并以 TableView 作为其委托。但是，应该在控制器视图上显示的建议调用短语没有。

我对 Swift 非常陌生，所以我没有尝试太多其他方法，因为我不知道该尝试什么

调用函数为：

getSiriView() {
 intent.suggestedInvocationPhrase = "Get a joke"

 let siriView = INUIAddVoiceShortcutViewController(shortcut: INShortcut(intent: intent)!)

 siriView.delegate = self;
 self.present(siriView, animated: true, completion: nil)
}

其委托扩展如下：

//
//  ViewControllerSiriExtensions.swift
//  Helium
//
//  Created by Richard Robinson on 2019-04-26.
//  Copyright © 2019 Richard Robinson. All rights reserved.
//

import Foundation
import IntentsUI

extension TableViewController: INUIAddVoiceShortcutButtonDelegate {
    func present(_ addVoiceShortcutViewController: INUIAddVoiceShortcutViewController, for addVoiceShortcutButton: INUIAddVoiceShortcutButton) {
        addVoiceShortcutViewController.delegate = self
        addVoiceShortcutViewController.modalPresentationStyle = .formSheet
        present(addVoiceShortcutViewController, animated: true, completion: nil)
    }

    func present(_ editVoiceShortcutViewController: INUIEditVoiceShortcutViewController, for addVoiceShortcutButton: INUIAddVoiceShortcutButton) {
        editVoiceShortcutViewController.delegate = self
        editVoiceShortcutViewController.modalPresentationStyle = .formSheet
        present(editVoiceShortcutViewController, animated: true, completion: nil)


    }

}

extension TableViewController: INUIAddVoiceShortcutViewControllerDelegate {
    public func addVoiceShortcutViewController(_ controller: INUIAddVoiceShortcutViewController, didFinishWith voiceShortcut: INVoiceShortcut?, error: Error?) {
        controller.dismiss(animated: true, completion: nil)
    }

    public func addVoiceShortcutViewControllerDidCancel(_ controller: INUIAddVoiceShortcutViewController) {
        controller.dismiss(animated: true, completion: nil)
    }
}

extension TableViewController: INUIEditVoiceShortcutViewControllerDelegate {
    public func editVoiceShortcutViewController(_ controller: INUIEditVoiceShortcutViewController, didUpdate voiceShortcut: INVoiceShortcut?, error: Error?) {
        controller.dismiss(animated: true, completion: nil)
    }

    public func editVoiceShortcutViewController(_ controller: INUIEditVoiceShortcutViewController, didDeleteVoiceShortcutWithIdentifier deletedVoiceShortcutIdentifier: UUID) {
        controller.dismiss(animated: true, completion: nil)
    }

    public func editVoiceShortcutViewControllerDidCancel(_ controller: INUIEditVoiceShortcutViewController) {
        controller.dismiss(animated: true, completion: nil)
    }
}

extension TableViewController {
    public var intent: JokeIntent {
        return JokeIntent()
    }
}

目前，控制器出现并正常工作，只是它不显示建议的短语。

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