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📱 Home Assistant Companion for Android
Kotlin Shell
Branch: master
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📱 Home Assistant Companion for Android Build Status


If you are looking for documentation around the companion applications check out the Home Assistant Companion Documentation. This will provide you instructions on using the applications.

Setup App Development Environment

  • Download and install Android Studio

  • Download / clone this repository to a folder on your computer

  • Create a Firebase project at Firebase Console

  • Create two Android apps, one with and one with as package name

  • Now download the google-services.json file and put it in the home-assistant-Android/app folder

    You can also use the mock services file instead of generating your own The file should contain client IDs for and for debugging to work properly. If you do not generate your own file push notification will never work

  • Start Android Studio, open your source code folder and check if the Gradle build will be successful

  • If the build is successful, you can run the app by doing the following: click Run -> Run 'app'

  • Connect your phone or create a new virtual device following on screen instruction

  • 🎉

If you get stuck while setting up your own environment, you can ask questions in the #devs_mobile_apps channel on Discord.

Push Notifications

If you want to work on push notifications or use a development build with push notifications please go the server side code HERE and deploy it to your firebase project. Once you have your androidV1 URL to the deployed service, exchange that for your local builds PUSH_URL.

Testing Dev Releases

We are using Travis to perform continuous integration both by unit testing, deploying dev releases to Play Store Beta and final releases to the Play Store when we release.


We are using ktlint as our linter. You can run a check locally on your machine with:

./gradlew ktlintCheck

This commands runs on our CI to check if your PR passes all tests. So we strongly recommend running it before committing.

To run a check with an auto-format:

./gradlew ktlintFormat


The project currently uses lokalise to translate the application. If you are interested in helping translate go to the link and click start translating!

Generating a release to production

Edit the build number in /app/build.gradle to your desired version. Be sure to leave ${vCode}!!

def vName = "X.X.X-${vCode}"

Merge that into master and allow the build to complete and validate on the beta channel. (Deploy there automatic)

Once ready to move to production tag the master branch and travis will start the promotion from beta -> production.

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