Would be nice to have smarthome switches, lights etc. on Google Home App/Hub and Alexa app/ Echo Show.
I am looking for to use Google Home App/Alexa app on mobile and their hardware Hub/Echo Show as smarthome dashboard.
I can’t speak to Alexa, but for Google Assistant, you can do this with either of the two links I posted above.
he’s talking about the new devices, the ones with screens, and he’s asking if it will be possible to see HA on those
While you can’t see the HA interface, you can control your HA devices. I have a Lenovo Smart Display and with Google Home View I can control devices around my house. It’s the same as what’s in the Google Home app.
Is that mean once I integrate HA with Google Assistant, I will see devices on Google Home App and can use them as dashboard?
Yes, for the most part. From the documentation:
Currently, the following domains are available to be used with Google Assistant, listed with their default types:
- group (on/off)
- input boolean (on/off)
- scene (on)
- script (on)
- switch (on/off)
- fan (on/off)
- light (on/off/brightness/rgb color/color temp)
- cover (on/off/set position (via set brightness))
- media_player (on/off/set volume (via set brightness))
- climate (temperature setting)
It would be nice to get the Home Assistant Lovelace UI to show up on a Google Smart Display or an Amazon Echo Show device.
Judging by the comments above, doesn’t sound possible to make lovelace UI appear on either device at this time.
It’s rather a limitation of the Google Home Hub, so leave feedback to Google.
There is actually a video of a guy managing to get a website shown:
So it might be doable, but needs rather difficult 
I was able to accomplish this using dashcast and the trusted networks for my internal network. Dashcast basically just launches the HA site on the Google Home hub. The colors are a bit broken (Some white parts are black and you can’t see everything) but it is possible to choose trusted networks, then a specific user and get logged in. I also integrated it with iftt so I can say “Hey google, control panel” (or whatever you want to call it) and it launches a specific page in my Lovelace UI. (ifft triggers a webhook to call the dashcast script, which launches HA interface on the hub).
I was also toying with getting it working on a chromecast for my TV for monitoring temperature/multiple cameras at once but it is slightly trickier since their is no way to interact with it like the Google Home Hub. I think with nginx and some headers for authentication (for internal network use only) it is probably possible but I have not had time to figure that out yet.
Will try to post a video later today. The UI in my HA isn’t quite up to snuff but maybe just showing it is possible is interesting.
Edit: I also use https://github.com/skorokithakis/catt/blob/master/README.rst to accomplish the casting a specific site (uses dashcast under the covers I guess). I’m running HA in a python virtual env so I’m not sure how difficult it would be to accomplish this with hass.io or other installation variations.
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looks nice
Write an article on it for us dummies 
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hi. congrats for amazing job.
can i use this on a Pi with Hassio?
thanks
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Hi, looks super nice! Could you give some details on how you set this up?
How does the dashscast script looks like? Where did you set up the webhook/Endpoint?
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Is this Pi hassio compatible?
How could it be not possible with hassio installation? I was just wondering, in the end hassio is only an encapsulation for home assistant with some pretty useful benefits (addons), isn’t it?
great work btw!
good, but sometimes the hub says waiting for address, and wont show anything, any workaround ?
It might be nice to do an Alexa Skill, like the Sauce Boss example.