microg / microg/GmsCore

DownDog apps crash before showing login screen (ClearCredentialStateException)

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Dominant language
Java
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Description

Affected app
Name: Prenatal
Package id: com.downdogapp.prenatal

Describe the bug
The app (as well as all other DownDog-Apps such as com.downdogapp.pilates) crashes before showing the login screen.

To Reproduce

  1. Download the app com.downdogapp.prenatal from Aurora Store
  2. Start the app
  3. It will crash before you can interact with the app.

Expected behavior
I expect the background image of the app to change once and then it should show the login screen.

System
Android Version: 15
Custom ROM: iodéOS 6.8-20250929-FP5

microG
microG Core version: 0.3.10.250932
microG Self-Check results: All ticked

Additional context
I've added the log and hope this helps. I could also reproduce it with LineageOS for MicroG.

downdog-crash-adb.log

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the attached downdog-crash-adb.log and trace the app-startup path leading to the ClearCredentialStateException before the login screen. Reproduce on Android 15 with microG and verify that the Prenatal app reaches the login screen without crashing.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, java
Domain
authentication, mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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