Google Assistant changing the surface not working

问题

Hi guys,

I'm currently trying to build an app for the Google Assistant with Dialogflow. During a particular intent I want to redirect the user to his phone (when using a speaker) as the intent requires precise keyboard input. As said in the docs, I'm calling askForNewSurface() in my webhook. In the actions simulator, this is what shows up (truncated)

"agentToAssistantJson": {
  "conversationToken": "[\"_actions_on_google_\",\"some-context\"]",
  "expectUserResponse": true,
  "expectedInputs": [
    {
      "inputPrompt": {
        "richInitialPrompt": {
          "items": [
            {
              "simpleResponse": {
                "textToSpeech": "PLACEHOLDER_FOR_NEW_SURFACE"
              }
            }
          ]
        }
      },
      "possibleIntents": [
        {
          "intent": "actions.intent.NEW_SURFACE",
          "inputValueData": {
            "@type": "type.googleapis.com/google.actions.v2.NewSurfaceValueSpec",
            "context": "To show you an image",
            "notificationTitle": "Check out this image",
            "capabilities": [
              "actions.capability.SCREEN_OUTPUT"
            ]
          }
        }
      ]
    }
  ],
  "responseMetadata": {
    "status": {},
    "queryMatchInfo": {
      "queryMatched": true,
      "intent": "####",
      "parameterNames": [
        "date"
      ]
    }
  },
  "expectedInput": {
    "requestedIntent": {
      "intent": "####"
    }
  }
}

}

This seems valid according to the docs, however the Google Assistant just comes back with 'Sorry, I didn't get any response' (on both the simulator and on actual devices).

So how do I get the assistant to actually ask the user to change the surface?

Is this method maybe not supported at all in german? Also the docs are somewhat inconsistent regarding the existence of actions.intent.NEW_SURFACE as a system intent...

Thanks in advance guys, any hints appreciated :)

EDIT: Noticed the question has already been asked here

回答1:

Okay, I got in touch with AoG support. Turns out we'll need a little patience.

Hi Jan,

Thank you for your interest in Actions on Google. askForNewSurface is indeed only available for English locales. We are in the process of changing the documentation to reflect those restrictions. Sorry for the confusion. We do not have any set date for the release of this feature in other locales.

Kind Regards,

Jean-Charles,

Actions on Google Support Team.

来源：https://stackoverflow.com/questions/47610115/google-assistant-changing-the-surface-not-working

标签

actions-on-google

google-assistant-sdk

dialogflow