Your app isn't open. You're not using it. And somehow it's still one of the biggest battery drains on the phone. That sounds contradictory, but "not open" only means the app doesn't have a visible activity. It says very little about what the app is doing. The process might still exist. A worker could be syncing data. An alarm could wake the device. A foreground service might be tracking location. Push messages could trigger network requests. Or the app could be running a coroutine loop tha...