microg / microg/GmsCore

LINE Messenger Says Reinstallation Required

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Dominant language
Java
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Description

LINE Messenger is a communications app used by millions in Japan and other parts of Asia. (jp.naver.line.android). Tested version 10.16.2.

Install LINE with the Aurora Store or similar. Give the app all requested permissions (manually if necessary). On app startup a popup appears saying "App reinstallation required. Delete and reinstall the official version of LINE." Upon clearing this popup the app seems to operate without problems, although I have only checked basic functionality. The popup reappears on every app initial startup.

Android Version: 9
OS Version: LineageOS for MicroG 16.0-20200816 cheeseburger
MicroG Services Core Version: 0.2.12.203315
No Google account registered.
Google device registration ON.
App in question is registered with GCM.

Contributor guide

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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

No source file, test, or entry point is named. Start by reproducing the popup with LINE 10.16.2 under the listed Android and microG configuration, then trace the startup behavior related to app registration and verification. Done means LINE no longer shows the reinstallation warning on startup while its reported basic functionality continues to work.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, java
Domain
mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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