

It hijacks the physical volume controls of the phone (this is doable at least when you're within an app (aCalendar does this and allows you to scroll with those buttons). The app is in the background, no user interface is visible. I want to figure out how feasible it is to write an app which essentially does the following: I'm not new to programming at all, I have worked as a Java developer in the past for almost a decade), but I'm completely new to Android development. It's just hidden underneath a lot of clicking around. So this is proof that it is indeed possible to control the volume directly from my phone AND have support for 5.1 sound. In the Google Home app, I can open my Chromecast and open a remote on my phone and it has volume buttons, with which I could control the volume of my TV (as if I would have pressed the buttons on my Chromecast remote), if I chose option 1) above. So apparently, I'm out of luck end of the story. Option 3) means I will lose support for 5.1 surround sound, so this is an option I do not want to use in my home cinema setup. Options 1) and 2) mean I can't use my phone or Google Assistant to change the volume of what I'm playing. Chromecast volume is controlled via the Chromecast remote.

SETTING UP CHROMECAST TO WORK ON SURROUND SOUND HOW TO
I have just bought a new Chromecast with Google TV and hooked it up to my A/V-Receiver+Beamer setup, but I will refer to it as "TV" further on as it doesn't make a difference here.Īccording to Android Police - How to control Chromecast with Google TV volume using your phone, there are three options:
