How To Stop Apps From Running In The Background On Galaxy Note 3

Samsung

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Despite Android team hope to enforce OEMs to be transparent virtually non-standard app killing, in Android 11 Samsung has introduced a new severe (default ON) restriction. Apps tin can no longer hold wake lock in foreground services. This breaks many utilise-cases, for example health apps are now unable to gather sensoric data for their users. See details hither and read beneath for workaround.

UPDATE 04/2021: Is Samsung now killing even foreground services? Could this be real, or is it a chimera?
Even disabling the system bombardment restrictions does non save the app from being killed. Let's find out, if it is a bug or a feature... Here you tin read more details

We tape significantly increased number of app killing on Samsung'southward since Android Pie flavor. The hints show adaptive battery being much more than eager than in stock Android.
Later on 3 days whatsoever unused app volition not exist able to beginning from background (eastward.grand. alarms volition not piece of work anymore). Imagine, you won't use your alarm clock for the weekend plus ane day and bang! no alarms anymore and you miss work! We strongly suggest to turn off Adaptive bombardment and Put apps to slumber options per instructions below.

Important: The latest feedback suggests even when you remove an app from the restricted list, Samsung may re-add them later after a firmware update or when it thinks it is using too much resources!

Yes, Samsung - a dominant vendor in the Android market - is now using one of the nastiest battery saving techniques in the industry. They kill background processes and return alarm clocks and other apps which rely on groundwork processing useless. See below for workarounds.

Note: Information technology is very difficult to keep upwardly with all the changes in the organization settings layout and their modifications across all the combinations of phones and Android versions. If you find a different layout, or different name, allow us know.

What optimization apps does Samsung have?

Android 11: Battery optimization, Automobile-optimize, Adaptive bombardment, Adaptive power-saving, Background restrictions, lists of Sleeping apps, Unused apps, Deep sleeping apps, Never sleeping apps
Android Pie and college: Device care, Groundwork restrictions, lists of Sleeping apps, Unused apps, Machine-disable unused apps
Android Oreo and Nougat: App power monitor, Background restrictions
Android Marshmallow or below: Smart manager

Android 11
Android Pie and 10
Android Oreo and Nougat
Android Marshmallow and older

Android 11

On Android 11 Samsung volition forbid apps work in background by default unless y'all exclude apps from bombardment optimizations. This is a astringent divergence from standard Android procedure management policies.
Yes, this is a long style to go! Devs cannot ask for it automatically as they risk being kicked out from Play Store due to policy violations.

Lock the app in Recent

Open Recent apps.
Find Your app.
Long-printing the icon of the app.

Battery optimization

To keep your apps working properly make sure y'all enable:
Settings -> Apps -> Your App -> Bombardment -> Battery optimization -> All apps -> Your app -> Don't optimize.

Optimize battery usage

Settings > Apps > (⁝) menu > Special Access > Optimize battery usage

Auto-optimize daily + Adaptive power saving

On some phones the route differs:

Adaptive bombardment

Lists of Sleeping apps, Unused apps, Deep sleeping apps, Never sleeping apps

Warning: Make sure Put unused apps to sleep is disabled. Otherwise, Samsung will put your apps back to slumber after a few days (3 by default) fifty-fifty if you have woken them upwardly manually!

Android Pie and x

Battery optimizations are turned on by default. It is possible the disabled restrictions might get revert after Bone update or reboot. By default any app which is non started in 3 days is put to sleep and background tasks including alarms volition stop working.

Put unused apps to slumber

Telephone settings -> Device care -> Tap on the Bombardment item -> (⁝) iii-dot bill of fare > Settings
Uncheck Your app from this list.

Auto-disable unused apps

Phone settings -> Device care -> Tap on the Battery item -> (⁝) three-dot carte du jour > Settings
Uncheck Your app from this list.

Background restrictions

Check that Phone settings -> Apps -> Sleep as Android -> Bombardment -> Background restriction land as App tin can use battery in background for the apps y'all need to run in the groundwork.

Sleeping apps

Sleeping apps menu is the sniper'southward nest for Samsung's app killing policies. Brand sure to follow the instructions very advisedly to prevent the apps from being killed.

On some phones, the layout may differ:

Alarm: Brand certain Put unused apps to sleep and Automobile-disable unused apps is disabled. Otherwise, Samsung will put your apps dorsum to sleep later a few days (3 by default) even if yous have woken them upwards manually!

Game Boosting features

Samsung optimizing features that monitor your telephone usage and can modify your settings. Although such feature might be useful, in some cases you don't wish to loose all background processed. This tin results in termination of background processes when you play games (for case blue light filter apps will stop, or notification are delayed).
In that location are Game Booster app, Game optimizing service, and Game Launcher.

Become to Apps so click the Samsung app settings. Curlicue to the Game Booster.
Plough off as much equally y'all can. And so click Cake During Game and close off everything.
Next, in apps, detect the game optimizing service - this cannot be disabled, but you lot can remove all permissions.
Concluding, search apps again and find the Game Launcher. You lot can remove the permissions and so disabled it.

Optimize battery usage

Battery optimizations are hidden under each app'south settings department. To disable the optimization for the app, you need to expand the sub-menu, so the list reveals the apps, that are restricted. Open Organisation settings -> Apps -> Your app -> Optimize battery usage, expand the list, so set the app to "non optimized" with the toggle.

Android Oreo and Nougat 8 + 7

With the introduction of their flagship Galaxy S8 (and with some earlier experiments), Samsung has introduced an attempt at prolonging bombardment life called App power monitor.

App power monitor

App power monitor can exist turned off completely, or you can manage the apps individually.
For your apps to work correctly in the background, you need to whitelist them in App power monitor and add together them to Unmonitored apps:

Open up the Settings -> Device maintenance -> Battery, and at the lesser you'll see a listing of your well-nigh frequently used apps.
Apps that are sleeping will announced in the Sleeping apps list at the lesser (tap it to aggrandize the list).
Listing of Unmonitored apps is at the very bottom (longer scrolling is needed) - these are apps that you lot specifically want to exclude (whitelist) from App ability monitor evil achieve.
When inside the Unmonitored apps menu, you lot can tap the iii-dot carte du jour to add or delete apps from the listing.

Android Marshmallow and below

On other Samsung phones, the path may look like this:

Phone settings > Applications > select three dot menu (top right corner) > Special Access > Optimize Battery usage > Find your app on the list and brand sure that it is not selected.

Note: If you enable "Edge Lighting" for your app, the app will not be able to wake up your screen. To allow your app to wake up your screen, delight remove it from the Edge Lighting applications list.

Solution for devs

No known solution on dev cease

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