Automatic publish Beta Android app to the Google Play store

Question

I am looking for a method that I can use to automatically publish an application to both the alpha and beta testing streams on the Google Play store, from my CI server.

My CI setup is as follows:

1. The Android app is written using Android Studio (using Eclipse really isn't an option for us).
2. The build scripts are written in Rake, and run the Gradle tasks, as well as Calabash-Android tests.
3. The build server is Teamcity 8+, that is currently hosted locally (though we could be moving across to Jenkins in the cloud).

Having scanned through stackoverflow for an answer to this question, the only one found is API to automatically upload apk to Google Play? the answer to this is however over a year old, and as we all know a year is a lifetime in software development, so I hope things may have improved some what.

I also have a sub-question, after publishing to these two streams, how long should it take for testers to see them in the store? I'm hearing 24 to 48 hours, which considering apps published to production only take a couple of hours seems a little odd.

Answer 1

Edit

The plugin below no longer works because Google shut down old versions of their API. Consider using Gradle Play Publisher instead.

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Update: The plugin is now available as com.savillians.gradle:android-publisher:0.4 from maven central. Add it to your buildscripts definition in build.gradle and apply it as I stated below.

I had the exact same question, and thanks to @edovino's comment and the Google Play API samples, I was able to create a gradle plugin that does the publishing to any track you wish for any flavor/variant you wish.

See the sources here: https://github.com/bluesliverx/gradle-android-publisher

I'm working on publishing this to maven central so it can be used in a build script, but for now you can grab the android-publisher subdirectory in the repo, put it in the root of your gradle build, and rename the folder to buildSrc. Use the following line in the build.gradle file for the android project you want to publish:

apply plugin: com.savillians.gradle.androidpublisher.AndroidPublisherPlugin

You can then set your publishing settings using an androidPublisher block in the build.gradle file.

android {
    ...
}
androidPublisher {
    applicationName = "Company-Name-Product-Name/1.0"
    packageName = "<package name>"
    serviceAccountEmail = "<service account email>"
    serviceAccountKeyFile = file('<p12 keyfile - NOT the json file>')
    track = "alpha" // default, don't need to specify
    variantName = "release" // default, don't need to specify
}

Make sure the service account you create has "release manager" permissions, download the p12 key file and put it in the project's directory. Then run this command:

gradle androidPublish

That will send it to Google Play using the credentials you specified. Good luck and let me know if you have questions since this is brand new.