Android :: Prevent App / Service From Being Killed From Task Manager?
May 7, 2010
It is very important that my service stay running until someone with a password stops the service from my UI screen. My app runs great but it is designed to be turned on/off by parents (with a password) on their kids phones. I have managed to make everything work but the problem I'm having is that if the kid uses a task manager to kill my service then my app is useless. I would be grateful to anyone who knows a way to either
1) monitor the service and start it back up automatically if its "killed"
or
2) prevent someone from being able to kill it except from the activity (administration screen) that launched the service. Or both?
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Aug 29, 2010
I just want to know how detect that the activity or service has been killed by the advanced task killer? I was expecting the onDestroy method to be called, but it doesnt!
My app starts the background service on boot. The activity is not started except from menu. But its name appears in the advanced task killer list. When I try to kill it, it doesnt call the onDestroy method neither the service's.
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Jul 8, 2012
I'm not a developer myself, but I'm wondering if it is possible to prevent an app to show up in the task manager? In other words: is it possible to create an app that does not show up in the task manager? I think this would be very usefull feature for certain apps that run in the background and have an icon in the notification area.
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Aug 2, 2010
Whenever the memory needs to be reclaimed, the process is being killed by Activity Manager Service in killPidsForProcess. I have a back button in my activity window on right corner of the title bar.
I want to kill the activity completely on clicking the close button. Can I reuse the same function and will it have any major effect? Please help me out in this.
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Nov 7, 2009
I've been using Task Panel X and Advanced Task manager to kill unneeded tasks and keep memory at a maximum.
Recently, every time I open Task Panel X and then revert back to Home screen I get the HTC logo and then a loading screen while the device sets itself. This happens even if I kill NO tasks.
So my solution was to uninstall Task Panel X and then use just Advanced Task Manager. All the sudden, same result.
Everytime I open either of these apps and then go back to home screen I get a BLACK SCREEN WITH HTC LOGO, THEN A BRIEF (10 SECONDS) LOADING SCREEN. THEN ALL IS NORMAL.
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Dec 11, 2009
I know this was talked about before at different times but I still have 3 questions.
1. what is the difference between a task killer and a task manager?
2. should we be using one of these apps or not?
3. when you look at the awake time if it is like 70% or 80% and you aren't using the phone a bunch I take it that means something is running,how can you find what is running.and is the awake time that big of deal?
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Oct 15, 2009
Looking for a guide on how to use task killer. I had task killer on and deleted it. I think I was killing tasks that were needed to keep certain functions running that I use frequently. If someone would take the time to help me understand how to use one, I think I would be much more successful with it.
example - text messaging just stopped ( werrent receiving them ) . Once I took task killer off, everything started working again.
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May 15, 2010
I have two BroadcastReceiver registered. When the app is closed they both fire at the appropriate times and do the appropriate things. If the app is closed then killed (say with an AppKiller), the receivers never receive their broadcasts, and nothing happens. Presumably the same thing happens if the parent app is killed due to low memory, so how do I ensure those broadcasts are fired/received. The API states that even if the app is killed it should fire, does anyone else have experience with this situation? If it helps my manifest is:
<!-- receivers for AlarmManager -->
<receiver android:exported="true" android:label="Shift roster updating calendar."
android:name="com.skooter.shiftroster.backend.service.UpdateCalendar" >
</receiver> <receiver android:exported="true" android:label="Shift roster checking alarm."
android:name="com.skooter.shiftroster.backend.service.SetWakeup" >
</receiver>
and nothing esoteric is going on in the AlarmManager/BroadcastReceivers
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Jun 29, 2010
I have a service in my app the creates an alarm and runs a check ever X minutes. I am new to android and I was wondering is there a way to prevent another app such as ATK (advanced task killer) from kill my service/alarms? It seems that if I normally close the app my alarms still work but when I go to ATK and stop the app the service dies as well. Maybe thats the point, but this service is rather important and most users would want it to run even if the app itself is no longer running. I assume that if the system kills it for whatever reason then their is nothing you can do about it. Could someone please inform me on this issue and a possible solution to do what I need?
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Aug 15, 2010
Is anyone else having problems with the advanced task killer since 2.2 update? Battery is running down fast because task killer no longer works.
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Jun 10, 2010
I have a service running in the background. It starts on device boot. Also, I have one activity (that appears in the task launcher) in which I have provided buttons to start and stop the service.
Now, I install the application on the phone and I start the service using this activity (and not on-device boot). As expected the service starts and starts doing its designated task. I no-longer need the activity. So it goes out of sight and may not be required for a long time now.
My question is, now, if the android platform kills this activity, will it kill my service too ? (This is because I see that after few hours, my service is not running anymore.). If this is true, then will the service continue running longer if the service was started on device boot.
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Aug 22, 2009
Anyway, I just wanted for everyone to post their favorite Task Manager/Killer, and why, and if there are any flaws. I personally use Advanced Task Killer Free. It has a simple UI, and the when you select or unselect apps it remebers it so next time you launch the app you can only remove the apps that you usually do, and keep ones that always run. It doesn't slow down or break the system.
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Jul 25, 2009
I have a service that needs to hold a persistent TCP connection, think IM. I'm reluctant to use setForeground() - the service being down temporarily isn't that big a deal, and I am assume I can trust that I'll be run again once memory is available, correct? The problem here is this. The service was started via startService() before being killed. However, when it is restarted, only onCreate() is executed. This makes it hard to continue, because starting work onCreate() means I can't even bind to the service (to say query it's status) without it doing so. Is this a bug or per design? What is the status of the service after it is being restarted? Is it consider "started" by the system, i.e. waiting for a call to stopService()?
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Aug 25, 2009
I have a service that polls for data. To indicate this to the user I have a persistent notification in the statusbar. In some cases when the device goes low on memory it destroys the service but OnDestroy is not called. Later when there is available memory OnCreate is called. Is this normal behavior? I had hoped that OnDestroy would be called to I could remove the notification in the statusbar. Now the user thinks that the service is still running, while it has been stopped by the OS.
In order to restart the polling how do I know that the OnCreate is really a restart event and not first time creation of the service? I thought about checking for the presence of the notification in the statusbar, but I couldn't find a API to check if a notification was showing or not. I have not tried "SetForeground" on the service, since the service isn't that important to the user, but maybe that would minimize the problem.
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Sep 5, 2010
I have an app widget that uses a Service to handle updates (as per the SDK sample). If a task killer kills the service, the widget obviously stops updating. Is there any way I can notify the widget that the service has been killed so it can attempt to restart it?
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Oct 4, 2010
Is there a way to notify an activity/service of a force-close request right before it gets killed?
I mean when the user hits the force close button in Menu>Settings>Applications>Manage applications>app name>Force Close.
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Nov 10, 2010
I have an Android service that's responsible for firing notifications at certain points in time. I use an android.OS.CountdownTimer for this. An activity creates and starts the service. If the phone is locked, notifications that are within let's say 1min are shown. Notifications that are much later are never shown. The service is unbound from the activity when the activity is onpause.
As long as the phone doesn't lock the notifications are generated, even if the activity is stopped and unbound from the service.
It seems to me that the service is stopped/killed. When I make the application debuggable and debug it on target, it works fine, also when the activity is stopped and the service is unbound.
The app is developed for v1.5 and runs at Galaxy S with 2.2.
Service is started as shown below
CODE:.................
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Oct 23, 2010
Should i use a Task Manager or not. I was using one, however I read a forum that said "Do Not Use" the task manager, it drains the phone and the phone will take care of its self. I am confused. An I possibly corrupting files? My home screen is really slow, should I uninstall the task manager...
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Nov 6, 2008
Does anyone know whats up with a task manager for the g1? if its in the process of being made, if there is one to download somehow, is it possible to make? im sure this is part of the problem to the short battery life and it would help to be able to close apps so the phone wont freeze or blow up one...
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Mar 16, 2010
Im looking a a task manager, im using task killer but every time i terminate everything i get an error, is there a program out there that autokill programs? like if not used for 2 minutes it terminates that program?
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Jul 30, 2010
I have a few questions about Task managers. At the moment I'm using ES Task manager. It works well and has a nice interface. My questions are.
A) Does the Android OS even need a task manager?Some say their not needed. The ones I've used do clear out tasks, frees up memory, and saves on the systems load.
B) What tasks should I clear?Lets say for example I killed voice mail at startup. Does this mean If someone called I would not receive voice mail until I reloaded the voice mail app, or would the phone see a voice mail is incoming and reload the program?
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Aug 10, 2010
Recently, I installed FRG01B. I had no problems with it except for the fact that I couldn't get the phone to mute.
I noticed that there was a really cool version of FRG22 out by Liquid Frozen Yogurt 1.3 (FRG22).
I downloaded RSD Lite, SPRecovery_ESE81.sbf, and I downloaded the 64 bit drivers for the Droid. I am using Windows 7 Ultimate Edition 64bit. I got the files from this page: FRG01B.SBF for Droid courtesy of RootzWiki - Droid Releases - AllDroid Public Board - FRG01B.SBF for Droid courtesy of RootzWiki - Droid Releases - AllDroid Public Board - AllDroid.org > Home
Anyway, I installed RSD Lite and the drivers. I opened RSD Lite and opened the SPRecovery_ESE81.sbf file. I clicked show device, but nothing was showing up in the window, but below it said connected. I clicked START. After my phone rebooted, it's shot. No service, no battery life, and it keeps rebooting itself. What can I do! Someone please help! My Gmail address is chim777@gmail.com and I will be available for chat as well. I will keep checking this thread every few minutes. Someone please help as I have no clue what the hell I did. All I wanted to do was root my phone.
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Jul 23, 2010
I had a very good task manager when I first got my phone (2 weeks ago) but have since then uninstalled it. I know task killers a basically useless but I do have the odd instance where and program crashes and I need to kill the process. From what I can remember the task manager had 3 screens which had the following :-
Screen 1
Currently running programs, press the app to kill it.
Screen 2
The uninstall screen.
Screen 3
Cpu % used and space remaining on the phone and SD.
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Jun 17, 2010
I've been searching around recently for a widget/app that'd allow me to input events and either pop up on my front screen reminding me (The day of/Before.. or whatever) or that I could have at the top of my following screen as the widget and have had no luck.
I'd like this to remind me of certain events that can go about slipping my mind (Student loans due on this day.. Flight leaving at this/that time) Or the general factor that there are a multitude of things to do and it's nice to stay organized.
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Apr 6, 2009
I decided to root my g1 yesterday and I have been hearing that you can get a task manager for rooted g1's but I can't find it. Only app that I can find is one of then android market for .99 usd.
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Feb 18, 2009
I dont know why i havent heard more about this app on here but this thing is great if you have a rooted G1. You can stop any application at anytime from a simple window. I woke up this morning and had 8 programs running - they started by themselves in my sleep but stop them all and freed up 21708 worth of memory. Phone zooms after this quick step. Its a free app in the market. Take a look at it if you havent already.
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Jul 18, 2010
Is there a non-root task-manager that I can use to end unwanted tasks? I don't really want to root my phone but I would like the ability to end apps (games, maps, etc.) when I'm done with them rather than having them run in the background.
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Oct 29, 2009
So i just got the app and it is worth the money but im having issues with the fact that wen it automatically ends the tasks it ends my voice and data services as well so wen it does this i dont get calls or texts or anything. Does anyone have some kind of list of what apps and processes should be on the excluded no matter wat? I could really use this. Help please!
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Oct 25, 2010
just got my desire and shop said to install advance task killer, trying that but wont install. are there better ones ?
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Nov 19, 2009
Not being able to actually shutdown applications sucks. I feel like I'm running a Palm Pilot II. Nothing like having your GPS icon flash on and off occasionally while you watch on helplessly. Good stuff.
So anyone know where I can download a task manager since the "Market" is as bad an institution as many of us thought it would be?
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