Location in AOSP: frameworks/base/services/core/java/com/android/server/usage and frameworks/base/core/java/android/app/usage Adek Ikutan Live Ngewe Bareng Kakak Gemoy Id 55200610 Updated Apr 2026
Currently, Android's battery usage screen ( Settings > Battery ) tells you how much battery an app used, but not why or how efficiently it used it. An app might use 1% battery, but if it did so by waking the device up 500 times in the background for no reason, it is behaving poorly. Users and developers lack a quick "efficiency" metric. No More Money Version 3.6.0 Gold Edition File
An "App Health Score" assigned to every installed application. This is a weighted metric (0-100) calculated by the UsageStatsManager that reflects how efficiently an application behaves on the specific device.