Ios UIAccessibilityElement，带按钮特征，添加；“一中一”；“画外音后讲话”按钮

我使用UIAccessibilityElement将来自多个标签和按钮的信息封装在自定义UITableViewCell中。当“画外音”启用且用户浏览每个元素时，我希望将特定元素分组在一起。例如，用户不必说“最喜欢的食物”，而是必须再次刷卡才能听到“Pizza”，它会说“最喜欢的食物Pizza”

在我的子类单元格中，我通过覆盖accessibilityElements实现了这一点。然而，当我向accessibilityElements添加UIButton时，我遇到了一个问题。在下面的代码中，我创建了viewProfileButtonAccessibilityElement。我添加了可访问性标签和trait.按钮。当通过Voice Over说话时，它说“查看个人资料图片按钮一个一个”。我不知道“一个一个”是从哪里来的。知道是什么导致VoiceOver在说出单词按钮后添加“one of one”吗

  private var cachedAccessiblityElements: [Any]?

  override var accessibilityElements: [Any]? {
    set {
      cachedAccessiblityElements = newValue
    }
    get {
      // Return the acessibility elements if we've already created them
      if let cachedAccessiblityElements = cachedAccessiblityElements {
        return cachedAccessiblityElements
      }

      var elements = [UIAccessibilityElement]()

      if let favoriteFoodTitle = favoriteFoodTitle.text, let favoriteFood = favoriteFood.text {
        let favoriteFoodAccessibilityElement = UIAccessibilityElement(accessibilityContainer: self)
        favoriteFoodAccessibilityElement.accessibilityLabel = favoriteFoodTitle + " " + favoriteFood
        favoriteFoodAccessibilityElement.accessibilityFrameInContainerSpace = self.favoriteFoodTitle.frame.union(self.favoriteFood.frame)
        elements.append(favoriteFoodAccessibilityElement)
      }

      let viewProfileButtonAccessibilityElement = UIAccessibilityElement(accessibilityContainer: self)
      viewProfileButtonAccessibilityElement.accessibilityLabel = "View Profile Picture"
      viewProfileButtonAccessibilityElement.accessibilityTraits = UIAccessibilityTraits.button
      viewProfileButtonAccessibilityElement.accessibilityFrameInContainerSpace = self.viewProfileButton.frame
      elements.append(viewProfileButtonAccessibilityElement)

      cachedAccessiblityElements = elements
      return cachedAccessiblityElements
    }
  }

我不知道“一人一人”是从哪里来的。知道是什么导致VoiceOver在说出单词按钮后添加“one of one”吗

  private var cachedAccessiblityElements: [Any]?

  override var accessibilityElements: [Any]? {
    set {
      cachedAccessiblityElements = newValue
    }
    get {
      // Return the acessibility elements if we've already created them
      if let cachedAccessiblityElements = cachedAccessiblityElements {
        return cachedAccessiblityElements
      }

      var elements = [UIAccessibilityElement]()

      if let favoriteFoodTitle = favoriteFoodTitle.text, let favoriteFood = favoriteFood.text {
        let favoriteFoodAccessibilityElement = UIAccessibilityElement(accessibilityContainer: self)
        favoriteFoodAccessibilityElement.accessibilityLabel = favoriteFoodTitle + " " + favoriteFood
        favoriteFoodAccessibilityElement.accessibilityFrameInContainerSpace = self.favoriteFoodTitle.frame.union(self.favoriteFood.frame)
        elements.append(favoriteFoodAccessibilityElement)
      }

      let viewProfileButtonAccessibilityElement = UIAccessibilityElement(accessibilityContainer: self)
      viewProfileButtonAccessibilityElement.accessibilityLabel = "View Profile Picture"
      viewProfileButtonAccessibilityElement.accessibilityTraits = UIAccessibilityTraits.button
      viewProfileButtonAccessibilityElement.accessibilityFrameInContainerSpace = self.viewProfileButton.frame
      elements.append(viewProfileButtonAccessibilityElement)

      cachedAccessiblityElements = elements
      return cachedAccessiblityElements
    }
  }

您在具有

特征的单元格中创建的每个UIControl按钮将按照您提到的方式发声

无论tableviewcell中创建的按钮数量是多少，所有按钮都将使用相同的后缀发出声音，表示它们所属的单元格以及部分中的单元格总数

在您的示例中，“one of one”表示您的按钮位于第一个单元格中，并且您的分区中只有一个单元格

例如，如果在包含十个单元格的部分的第三个单元格中创建两个按钮，您将听到两个按钮的后缀“三个十个”

我希望这一解释足够清楚，能够理解你的“一人合一”的来源