Microsoft Teams跨平台的自适应卡Input.ChoiceSet默认

Question

呈现相同的Microsoft Teams自适应卡Input.ChoiceSet，不带“值”（即没有默认值），显示Microsoft Teams Android Client中的默认值，但在OS X，Web或iOS Teams的下拉列表中没有默认选项客户...

如何在自适应卡中呈现相同的input.choiceSet，而在所有客户端中都没有相同卡的默认设置？

Teams Android and OS X Render Same Card

{
  "type": "message",
  "attachments": [
    {
      "contentType": "application/vnd.microsoft.card.adaptive",
      "content": {
        "type": "AdaptiveCard",
        "version": "1.0",
        "body": [
          {
            "type": "Container",
            "items": [
              {
                "type": "TextBlock",
                "text": "Command Center",
                "size": "large",
                "weight": "bolder"
              },
              {
                "type": "TextBlock",
                "text": "Please choose a scenario to submit."
              },
              {
                "type": "Input.ChoiceSet",
                "id": "scenario-id",
                "style": "compact",
                "isMultiSelect": false,
                "choices": [
                  {
                    "value": "71ae62b1-f04e-11e9-b862-577308a243ca",
                    "title": "Foo's Bar"
                  },
                  {
                    "value": "16db3124-f42d-11e9-bde7-819811d8b810",
                    "title": "Second"
                  }
                ]
              }
            ]
          }
        ],
        "actions": [
          {
            "type": "Action.Submit",
            "id": "popup",
            "title": "Continue...",
            "data": {
              "msteams": {
                "type": "task/fetch"
              }
            }
          }
        ]
      }
    }
  ]
}

Answer 1

@MarkSingleWire感谢您向我们报告。自适应卡不应为下拉列表选择任何默认值。我们为此提出了一个错误，我们正在对此进行调查。