Using CustomUnityPlayerActivity, which inherits from UnityPlayerActivity, will cause problems.

UnityPlayerActivity Java code extension
(https://docs.unity3d.com/2018.3/Documentation/Manual/AndroidUnityPlayerActivity.html)

was applied to an empty unity project.

I have a problem that my app is not working properly.

Order of execution
1. Install apk on the device and run it.
2. Send the running app in the background.
3. Touch the installed app icon to re-launch.
4. The app is forcibly terminated.
※ This problem occurs only when executed immediately after initial installation.

There is another problem.
If you rerun your app through the notification banner (if you have an app in the background), the app will not work or will not run.
- My own notification plugin (black screen when re-running app)
- UnityMobileNotifications (not running, no response)

I think Unity does not activate the normal CustomUnityPlayerActivity when re-launching the app.

I need help solving this problem. Help me!

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