Android :: Application Killing - Expending Power
Nov 11, 2009
It seems to me that all of these much-touted app killing programs are pretty much worthless. I kill all sorts of stuff I never even opened, and 5 minutes later, it's back again. I'm probably expending more power killing programs than I would if I just let the phone sit idle. Am I mistaken? What good are the app killing programs if the programs keep coming back? I'm starting to wonder if the hyped "run multiple applications at once" bit is more of a drawback than anything. Edit: Would there be any harm in removing the Footprints, Twitter, Gmail and Market programs that came with the phone that I don't use yet keep popping up?
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Sep 29, 2010
Is there any difference between what happens when you use a Task Killer App to kill an app vs. what happens when the Android OS kills an app due to scarce resources? The Android SDK says that the Application.onTerminate() method isn't called when the OS kills an app due to scarce resources. So it sounds like the OS doesn't cleanly close apps and that it does exactly what the much-debated task killers do. If they do the same thing, then task killers don't do any more harm than the OS itself, right?
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Jun 21, 2009
I have an application which I would like to be fully disabled/closed when it is paused (IE. When the user presses the Home, End (call) and Back button I would like the application to be closed, instead of being saved in the history stack).
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Mar 30, 2010
Is there an app that you can set to power down and reboot your system? When I had a blackberry, it would always reboot at 3:14am (my birthday).
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Oct 3, 2009
I am looking for an application that handles power management. I downloaded the Power Management app, but the free app has limited features. I am looking for a free app.
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Aug 20, 2010
I'm the developer of PowerTutor, a power profiling tool for the system. This tool profiles the system power consumption and decomposes power consumption on hardware components (e.g. LCD, Wi-Fi, CPU and etc.). It also assigns power consumption to individual application as the application is running alone in the system. In this way, it could potentially help developers to profile the app and detect energy inefficiency usage behavior in the application.
More details could be found at http://powertutor.org.
Note that PowerTutor is free to download and no advertisement is embedded. I'm posting this here to so that the Android community can be aware of it. Any one who cares about power consumption of their applications will find it useful.
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Nov 15, 2010
Is there an app out there that can power down the phone without having to hold the power button? I am not talking about reboots, I mean a full power down from using only the touchscreen?
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Jun 4, 2010
I am trying in one of my application when i am going to start i mean power on my google android g1 my application automatically will start but i am unable to understand how can.
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Jan 24, 2010
Seems to me that Lock 2.0 is the best Screen Lock I've found. Only Issue is, even with the security code enabled, all one has to do is power on/off the phone and your in with no need for the code. What I am looking for is a locking app that doesn't get disabled when powering the phone off/on. Looking for something secure much like every BB has where no matter what you do, to proceed into the phone you need to type in the Lock Code.
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Nov 10, 2009
I have been searching for an application to replace the need to press the power button up top in order to get the screen activated so that I can start using my phone once the screen powers off. I am hoping there is some kind of application that can do this just by changing the way the phone is held like if its accelerometer changes by a certain number of degrees or something like that.
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Apr 17, 2010
How can reduce the power usage in my application.
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Jan 5, 2010
Has anyone had any luck with aftermarket power supply's. I'd like a car/ac charger or a stand alone power pack. I usually use my DEXIM. but it does not work with the Behold 2. I've tried a car charger/battery unit by Wireless Gear that said it was compatible with all Samsung phones, it came with 5 power tips and a USB outlet that still would not work, even using the OEM USB cable. Any suggestions would be appreciated. I will go with OEM Samsung if necessary, but there selection is limited.
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Oct 29, 2013
I have a rooted Galaxy S3 with Android 4.1.2, and for some strange reason they've changed the screenshot combination away from the Power+VolDown that other Androids use to Power+Home which can't realistically be pressed one-handed. How can I change it back to Power+VolDown?
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Jan 1, 2013
my phone is karbon A9+ and i wiped the cash,system and data and after that flashed a Custom ROM ! but now the phone just power on in download mode!! how to power on, for recovery or normal power on ! the phone just have the black screen with "Entry QPTS Downloading" Text..i will back to India 5 month later ! can it be fixed or i have to wait for 5 month to come back and send it to service !
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May 26, 2010
I'm a new Droid Eris user and I am constantly having to kill my apps in order to free up memory to keep my lag time and speed adequate. Will I continue to have to do this throughout the life of my phone? Why if I kill the Apps with Advanced Task Killer do the apps keep activating?
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Apr 12, 2009
I've got an application that has (among other things) three Activities, let's call them A, B, and C. A is the main navigation point for the entire application, and launches B and C directly using startActivity(). They work fine that way. However, when I call C from inside B, I get a strange problem. The code for launching Activity C is exactly the same in both places. The problem is the hardware back button. In the emulator, it takes two presses of the back button in order to close Activity C and come back to B. On a G1, it takes 3 or 4 presses. Upon seeing this, I implemented the usual suspects in C - onPause(), onStop(), and onDestroy(), and onResume() in B. When I press the back button from C and it doesn't work, I get onPause(), onStop(), onDestroy () - in that order, but nothing happens. When it works (on press 3 or 4 on the G1), I get onPause(), then onResume() in B, then onStop() and onDestroy().
I've tried catching the key press of the back button and calling finish (), but that doesn't make a difference. Has anyone seen this? To pre-empt some questions: All C does is display some data. There are no threads or any other special resources that C might have an active handle to that's preventing it from closing. But out of curiosity, if it did, how would I detect that? Any ideas for further diagnostics here?
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Nov 20, 2009
I am running a background Android Service as VoIP Framework which provides different VoIP services to different Android applications, (VoIP call, Video Call, etc). The service establishes a network connection with the Server(Service Provider) and does some initial handshake before it can start providing service to the Android applications, that's why though of starting the service on BOOT_COMPLETED event.
The problem is when the service gets started on BOOT_COMPLETED event, before even it finishes the initial network connection with server and handshaking, it gets killed by the system. I have tried using setForeground which improves the behavior a bit but still gets killed mid-way. I am working with old version 1.5 r3 of SDK and hence, cannot use "startForeground". Is there a way out or another alternative available with SDK 1.5 r3?
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Feb 17, 2010
I am considering getting a Motorola Milestone, which should ship with Android 2.something.I have a Nokia, and I really like the multitasking of the Symbian environment. How is it going to be different with Android? Is it a true multitasking os like Symbian or is it not, like the iphone? How do I switch from one application to another? Is there a button which shows all running apps? I read comments that, on some phones, switching from the web browser to another app and then back to the browser causes the page to reload from scratch. Is this still true or was it a limitation of older versions? Is there a task killer? I read very contradicting opinions on this, but I must say I do not understand why I should leave open an app I don't need, and how much an app left open uses system resources (battery life and RAM): I would have thought that its impact on system performance might have been minimal, but still > 0, right? Then why not close it altogether? Or am I missing something here?
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Sep 19, 2010
Once upon a time, I set up Google Voice as the voicemail agent on my phone. Now I really regret it.Every time a get a voicemail now, I receive two text messages and an email and it's annoying.So I went to call settings and changed the voicemail from Voice back to "Carrier" and I also removed the Voice number and put back the default voicemail number.Nothing has changed! Any ideas?I am running Froyostone on an HTC HD2, which may complicate things.
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Jul 30, 2010
My Alarm App. didn't operate because Adavanced task manager killed alarm app....
How can alarm avoid to kill process by task manager except including alarm into ignore list??
Or Can I hide alarm app. in killing list of task manager?
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Mar 1, 2010
Android doc say:"When the system, rather than the user, shuts down an activity to conserve memory, ... "
But how to simulate this situation?I want to debug the onRestoreInstanceState method,but don't know how to.
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Aug 19, 2010
I have installed Power Strip, and the very first time I was asked to use my preferred home screen, I selected the existing one (using a GS).
What I want to do is to have Power String dock displayed if I do a double click on the home key. I played with the settings but it seems that it doesn't work. Any hint?
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Aug 19, 2009
Our application is defined to launch a SplashScreenActivity from Intent { action=android.intent.action.MAIN categories= {android.intent.category.LAUNCHER} . After the SplashScreenActivity does its work, it launches another intent to launch MainMenuActivity and finish() is called on SplashScreenActivity.
When we run our app for the first time on our phone, the SplashScreenActivity launches OK, and correctly launches the MainMenuActivity.
However, if we kill the app using TaskKiller, LOGCAT indicates that the application has been killed. I can't debug the app, because launching it from eclipse with the debugger makes it work OK, because it reinstalls the app. Perhaps there is a way to launch the app without reinstalling it?
Here is the Log of us killing our app...
When we launch the application again, the LOG messages for SplashScreenActivity are not logged and it looks from LOGCAT that Android is launching the MainMenuActivity instead. Here is the log...
Can someone Romaine, Diane help us understand what is happening? We saw this happening because some variables are initialized in SplashScreenActivity that aren't available with MainMenuActivity and we were getting NPEs.
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Jul 7, 2010
There are some apps like the NASCAR one that I will never need. Is it a problem to kill apps that are pre-installed on the EVO using ATK or one of the file/task manager apps? Any apps I should not kill for stability reasons?
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Apr 28, 2010
I do: open browser -> menu -> more -> Settings -> Default Zoom -> "Close" -> back button and then browser crushes, next time I try to start it it crashes again. anyone had same problem?
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Dec 2, 2009
I downloaded taskiller and dont really know what im doing. The Icon just climbs from 1 to X. How do I kill these tasks and get my CPU usage down?
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Aug 8, 2010
I've updated handcent and facebook and now my phone dies while I'm sleeping. It was at 50% when I went to bed. I have the sync for facebook set at once a day and never had this happen till after I updated those two apps. I now have to charge my phone 3 times a day! This is getting ridiculous.
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Jun 20, 2010
Advanced app killer is not killing talk app. talk isn't even on the list to select it
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Aug 30, 2010
I just installed Froyo tonight and reinstalled my apps and use Advanced Task Killer free and when I kill my apps it seems as though I always have some running or they will start running without me doing anything. I have News and Weather, Slacker, Voice search, and Skype mobile running and when I click on KILL selected apps It leaves Voice search running. If I click Kill again Slacker, News and weather and voice search are running. Why are these apps running when I'm not actually running them? Any ideas?
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Apr 1, 2010
So I never use wifi or GPS. I keep the screen pretty low and don't use the motoblur stuff. I still can't get trough a day! Does Open Home or Panda Home kill the battery? What about my SlideIt keyboard?
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