7/21/2019 Amplify Alarms, Wakelocks and Services - Wakelocks

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AUTHOR Safety Level MORE INFO

Mistertac UNSAFE http://www.reddit.com/r/Nexus5/comments/2dqz5d/

1ceb0x

UNSAFE http://developer.android.com/distribute/engage/gcm.html

1ceb0x

UNSAFE https://developers.google.com/android/c2dm/

1ceb0x UNSAFE http://developer.android.com/reference/android/app/ActivityManager.html

1ceb0x NOT RECOMMENDED http://developer.android.com/reference/android/app/AlarmManager.html

1ceb0xNOTRECOMMENDED

http://www.cadence.com/Community/blogs/ip/archive/2014/03/03/android-audio-offload-explained-at-mobile-world-congress.aspx

MistertacNOTRECOMMENDED http://developer.android.com/reference/android/view/WindowManager.html

Mistertac

PROBABLYSAFE http://www.reddit.com/r/Nexus5/comments/2dy43k/

1ceb0x NOT RECOMMENDED TBA

magnamentis NOTRECOMMENDED

magnamentis NOTRECOMMENDED

1ceb0x

NOT RECOMMENDED TBA

MistertacSAFE https://github.com/asksven/BetterBatteryStats-Knowledge-Base/wiki/SyncLoopWakeLock

Mistertac SAFE TBA

MistertacPROBABLYSAFE https://code.google.com/p/android/issues/detail?id=20817

MistertacUNSAFE

http://forum.xda-developers.com/google-nexus-5/help/partial-wakelock-audiomix-n-t2520406/page2

magnamentis PROBABLY SAFE TBA

magnamentis PROBABLY SAFE TBA

magnamentis PROBABLYSAFE https://groups.google.com/forum/#!topic/android-platform/n668vwz2718

Mistertac PROBABLY SAFE TBA

1ceb0x PROBABLY SAFE TBA

1ceb0xPROBABLY SAFE TBA

mistertac PROBABLYSAFE

MistertacPROBABLYSAFE

http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.4_r1/com/android/internal/telephony/InboundSmsHandler.java

Mistertac PROBABLYSAFE

1ceb0xPROBABLY SAFE TBA

1ceb0xSAFE TBA

MistertacSAFE

http://androidforums.com/samsung-galaxy-s4/859357-massive-battery-drain-google-play-services-store.html#post6651111

1ceb0x SAFE TBA

1ceb0x SAFE TBA

Mistertac SAFE TBA

magnamentis SAFE

magnamentis SAFE

1ceb0xSAFE

Solace NOTRECOMMENDED

 AMPLIFY MODULE DATABASE (Former Unbounce)Amplify puts you in control of how your device uses your battery by controlling how often your device can wake up, and how long it can stay awake.

AmodulecreatedbyRyan"cryptyk"

XDA link: http://forum.xda-developers.com/xposed/modules/mod-nlpunbounce-reduce-nlp-wakelocks-t2853874

Safety level Explanation

SAFE Long term testing with no issues encountered

NOT SAFE Causing real troubles across phones/ROMs/Android OS versions

PROBABLY SAFE Tested and no issues found but needs confirmations from more users

N OT R EC OM ME ND ED R ed uc in g fu nc ti on al it y to a h ig h de gr ee a nd d an ge r of c ro ss -d ev ic e/ cr os s- ap p ne ga ti ve i mp ac t of u nk no wn n at ur e

WAKELOCK NAMEAllow EachX Seconds

WAKELOCK DESCRIPTION SIDE EFFECTS

TimedEventQueue( OSWakeLock ) N/A Corepar tofAndroidthat is best le f ta lone. I tqueues upal l incomingevents.SeereferencefromReddi t. N/A

GCM_CONN

N/A

GoogleCloudMessaging-Keepingappcontentfreshis importanttoretainingusers.Andit’s easy withthepopularGoogleCloudMessagingforAndroid,by sendinglightweightmessagestoyourapps installedon Androiddevices anywhere. Responsiblefor sendingpush notifications toyour phone,for allapps.

Nopushnotifications receivedif unbounced

GOOGLE_C2DM

N/A

 AndroidCloud toDevice Messaging(C2DM) is aservice thathelps developers send datato theirapps ondevices.Theserviceprovides a simplemechanismthatservers canuse totellmobileapplications tocon-tacttheservertofetchupdatedapplicationoruserdata.The C2DMservicehandles all aspects ofqueueingof messages &delivery tothetargetapplicationrunningontargetdevices.This servicewas deprecatedsince2012buttherearestillapps thatare usingthis serviceinsteadofthenewly & improvedGCM.

Nopushnotifications fromappsthatarestillusingthisoldermethodcalledC2DM.

 ActivityManager-Launcher(OS Wakelock) N/A Interact with the overall activities running in the system. android.app.ActivityManager  Notsafeto unbounce.PeoplereportedsystemUIcrashes.

 AlarmManager(OS Wakelock) N/A

This class provides access to thesystemalarmservices.Whenanalarmgoes off,theIntentthathadbeenregisteredforit is broadcastby thesystem,automatically startingthetargetapplicationif itis notalreadyrunning.Registeredalarmsareretainedwhilethedeviceis asleep(andcanoptionally wakethedeviceupif they gooffduringthattime),butwillbeclearedif itis turnedoffandrebooted.

Unbouncethis andthe"Alarms"partofUnbouncemoduleitselfwillstopupdating- andwedon'twant that:)

 AudioOffload(OS Wakelock)N/A

 Audioplayback through streaming(Soundcloud forexample). Unbouncethis and yourstreaming willstop working

WindowManager(OS Wakelock)N/A

This is anAndroidSystemlevelWakeLock. Theinterfacethatapps useto talk tothewindowmanager-meaning,applications willrequireaWindowManagerlock everytimethey needtobe shownonthescreen.

Notsafeto unbounce.

 AudioIn(OS WakeLock)

600

This has to dowithGoogleSearch/HotwordDetection.This willflareupif youuseOK googleanywherefeature.

Unbouncedtoan almostinfintevaluefortestingshowingzeroimpactoveraweek whileutilizingOKgoogleanywherefeatures.UnknowniftheOKgooglewhilescreenoff functionon chargeris hindered(iwouldassumesothoughsinceitwouldonly makesenseforthephoneto holdsomeformof wakelock whilethescreenisoff)

hangouts_rtcs N/A com.google.android.talk.Hangouts process Probably, if unbounced, the app will stop working correctly

E N/A BelongstoTasker_SinceTaskerissetformanagingtasksandprofilesinaspecificmanneritdoes> notmakesensetoalterthepurposefullysettasksby othermeans

M N/A BelongstoTasker_SinceTaskerissetformanagingtasksandprofilesinaspecificmanneritdoes> notmakesensetoalterthepurposefullysettasksby othermeans

RILJ (Cellsignal)

600

ResponsibleforthelocationthroughCellulartowers?

 AVASTAnti theftweb basedinterface fails todeliver messages whenthis isunbouncedsometimes,its onlysafetoassumeotherappsdependingonthesameservices providedby RILJareaffectedas well.Others have reportedheat/battery drainissues whichmaybe induced.

SyncLoopWakelock (OSWakelock)600+-

This is theWakeLock usedby AndroidSyncManagerto Sync accounts likeGoogle+Twitter,LinkedinandGmailetc.Thehighertheunbouncing,thehigherthe amountoftimeyouraccounts willget syncedagain

Nonesofar,all my accounts arestillSyncingup

ICING(OSWakelock) 9 00 + - I CI NG i s a G oo gl e Se rv ic es W a ke Lo ck . C ur re nt ly l o ok in g fo r mo re d et ai ls . N on e so f ar , al l ap ps a n d ac co un ts w or ki ng .

StartingAlertService( OSWakeLock)2 40 + -

This WakeLock canusually beassociated withCalendar, althoughmay effectother apps suchas messaging.Ifyour Calendarhas notifications /alerts itcan holdthis WakeLock unnecessarily.

Moretestingneededto makesureotherevents/notificationsaren'tmissed

 AudioMix (OS WakeLock )N/A

This WakeLock handles Sounds fromAlerts,TouchSounds andMusic.Fromourresearchandyourinput,it'sbetterto leavethis Wakelock alone.

N/A

GCoreFlp 240 B el on gs t o th e lo ca ti on a cq ui si ti on f ra me wo rk , cu rr en tl y t es ti ng l on g te rm N ON E TI LL N OW ( 2 h S ma ll R oa ds N av ig at io n)

*net_scheduler* 240 didnotfindwhat itdoes by nowbutcameacross fewmentions wherepeoplekillit withoutissues sofar NONETILLNOW( longtermtestingdueto lack ofinfo)

NetworkStats 240 NetworkStatsServ icewakelock is heldwhi lecol lect ingandrecordingstat is t ics f romthekernel NONEwithfunct ions,notsureaboutkernel logs for thosewhoneedthem

UlrDispatchingService 240 c om .g oo gl e. an dr oi d. lo ca ti on .r ep or ti ng .s er vi ce .D is pa tc hi ng Se rv ic e N on e Ye t. W il l ke ep t es ti ng .

fingerprint_scanner_static 180 Relatedto Google+- FingerprintScannerIntentService.Pieceofcode:com.google.android.apps.plus.service.FingerprintScannerIntentService. This is probably safetounbounce.Ionlyhave 1wakelock forbothofthemanditis for1 second.However,onecanencounterithigherthanthat.

fingerprint_scanner_local180

Relatedto Google+- FingerprintScannerIntentService.Pieceofcode:com.google.android.apps.plus.service.FingerprintScannerIntentService.

This is probably safetounbounce.Ionlyhave 1wakelock forbothofthemanditis for1 second.However,onecanencounterithigherthanthat.

GPSLocationProvider  600 Yet another WakeLock pertaining to location So far so good but still in testing

CDMAInboundSMSHandler 240

This is partof theTelephony Package.it's responsibleforbroadcastingSMStovarious apps thatarerequestinNoneso far.Iwilltest fora fewdays

wake:com.google.android.gms/.config.ConfigFetchService 600 T hi s W ak eL oc k p op pe d up w it h la te st P la y S er vi ce s u pd at e. N on e so f ar , I' ve d ra st ic al ly r ed uc ed i ts W ak eL oc k t im e wi th n o ne ga ti ve i mp

LocationManagerService(OS WakeLock)420

 As thename implies.This is not ahigh battery drainerwakelock in my setup(my phone only blockedit for2seconds)butfor others itmightholdabig wakelock.

Nonesofar.Mineis setat420and Locationcanbe aquiredthroughGPS,Data,Wifi.

NfcService:mRoutingWakeLock240

Relatedto NFCservice_ Reply:Confirmedbutyoucouldgo higher,basically this canbe unbounceddownto0 acquiredwakelocks whennot usingNFClikeyouand myself(@magnamenis)

Idon'tuse NFCbutthenagainthis wakelockisaquiredeventhoughNFCisOFF.Isuggestkeepingitunbouncedata levelof180-240seconds.

WakefulIntentService[GCoreUlr-LocationReportingService]2 40 + -

This serviceis beingused by GooglePlay Services inthis case.Nonesofar,all my apps arefunctioninglikenormalandI've watchedthisWakeLock timedropsomevswhatit hadbeen.

NlpWakeLock 420 Usedby GooglePlay Serv ices todetermineyour locationusingacomboofCell towers andWif i. None.

NlpWakelockDetector  420 Usedby GooglePlay Serv ices todetermineyour locationusingacomboofCell towers andWif i. None.

VZWGPSLocationProvider  600  AVerizon specific LocationWakeLock Behaves thesame as ourother Location/GPSWakeLocks. Noissues sofar.

com.commonsware.cwac.wakeful.WakefullIntentService 300 http://comments.gmane.org/gmane.comp.handhelds.android.devel/118263( ormore googling) NONE,TESTEDFOR 10DAYS

WakefulStateMachine: GeofencerStateMachine 180 com.google.android.location.geofencer.service.GeofencerProviderService NONE,TESTEDFOR 10DAYS

*sync*/com.google.android.apps.bigtop.provider.bigtopprovider/com.google/accountname3600

Belongs to newly Googleapp -Inbox (anew formofGmail).Itsyncs yourmailingaccount.Bestvaluesbetween3600and 7200,dependingonhow muchyouwantyourgmailto besynced.

NONE.

com.oasisfeng.greenify.CLEAN_NOW N/A Greenify uses this to greenify after screen timeout. Auto hibernation will fail.