Failures in “Pre-Launch report” in Google Play Developer Console in Google VR startup

Question

I\'ve been working on a game using Google VR in Unity3d and I recently updated my version of unity3d and the (built in) Google VR SDK to the latest version. After doing so the p

Answer 1

We got this when uploading our APK as well. It started October 27th and crashed the following 4 days until we changed our setup. I couldn't see anything in our code base that should trigger this problem, so I wonder if it's related to changes on Google's side.

However, we did just did two changes and now everything's working again.

We added the following line to proguard-project.txt:

-keep class android.arch.** { *; }

I assume this was what fixed it.

At the same time we changed the compileSdkVersion and targetSdkVersion to 27 (and correspondingly all belonging support libs). For all I know they could have fixed it here too..

Edit:

To more directly answer your question: Yes, it does seem likely that this is just a bug/red herring, not on Unity's side, but in Firebase Test Lab or in Google's support lib. I tested the APK that failed the pre-launch tests and it worked just fine on my device.