Apps Built Targeting Android 14 Experience Rapid Battery Drain Issues on Android 15

[kyudongDev]

Hello,

We are currently providing an app built targeting Android 14 on the Google Play Store.

Recently, we received an email from the Samsung team regarding a severe battery drain issue on new Android 15 devices:
Device: Galaxy S24 Ultra (SM-S928N)
OS: Android 15

The issue occurs due to a prolonged wakelock under the name "id.flutter.flutter_background_service.BackgroundService.Lock".

(Over approximately three months, about 33 instances of rapid battery drain have been reported. The issue is 100% reproducible when the app is launched and then exited.)

Upon launching the app and exiting it (regardless of whether using the home key or back key), the app remains persistently in the notification bar, continuously holding a wakelock.

[PLMWatcher Rule: EventLog (power_partial_wake_state) PLM:DRP250214-03571]

1. Prevent Sleep by AssistantDelay:android
   02-04 02:49:32.699 1000 3358 3358 I power_partial_wake_state: [REL,502,Prevent Sleep by AssistantDelay:android]
   02-04 02:50:32.210 1000 3358 3358 I power_partial_wake_state: [REL,12,Prevent Sleep by AssistantDelay:android]
   02-04 02:50:32.711 1000 3358 3358 I power_partial_wake_state: [REL,501,Prevent Sleep by AssistantDelay:android]
   02-04 02:51:32.177 1000 3358 3358 I power_partial_wake_state: [REL,14,Prevent Sleep by AssistantDelay:android]
   02-04 02:51:32.678 1000 3358 3358 I power_partial_wake_state: [REL,501,Prevent Sleep by AssistantDelay:android]
   02-04 02:52:14.469 1000 3358 3358 I power_partial_wake_state: [REL,500,Prevent Sleep by AssistantDelay:android]

2. NotificationManagerService:post:kr.co.app:android
   02-04 02:49:32.465 1000 3358 3358 I power_partial_wake_state: [REL,285,NotificationManagerService:post:kr.co.app:android]
   02-04 02:49:32.471 1000 3358 3358 I power_partial_wake_state: [REL,283,NotificationManagerService:post:kr.co.app:android]
   02-04 02:50:32.462 1000 3358 3358 I power_partial_wake_state: [REL,267,NotificationManagerService:post:kr.co.app:android]
   02-04 02:50:32.470 1000 3358 3358 I power_partial_wake_state: [REL,266,NotificationManagerService:post:kr.co.app:android]
   02-04 02:51:32.447 1000 3358 3358 I power_partial_wake_state: [REL,285,NotificationManagerService:post:kr.co.app:android]
   02-04 02:51:32.454 1000 3358 3358 I power_partial_wake_state: [REL,282,NotificationManagerService:post:kr.co.app:android]

Is there any solution to this?