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  1. #1
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    Post Task Killers - The answer from Google & Developers

    I found a great post over at our sister site Android.net and I spoke with Martin030908, (the author of the post) who gave me permission to cut & paste it to our site.
    There is a lot of great information contained within, so thank you Martin for the post and for sharing this with your fellow Android enthusiasts at FascinateForums.com.


    Task Killers - The Answer from Google and Developers

    In response to the vast amount of questions regarding Task Killers, I find this to be a valuable article/video in making a determination in whether or not to use a task killer on 'auto-kill' or manually killing apps just because they're open. A task killer is meant to shut down unresponsive apps, not EVERYTHING open.



    Good explanation of how the Android OS is designed to handle applications.

    Make your decision from there


    PLEASE READ THIS!!!


    SystemPanel Documentation | android.nextapp.com (smalltowngirl13 posted @ DxF, but I wanted to put it here as well)



    *quick cut & paste from the link*
    from the developer who designed System Panel.


    " Please read this section FIRST. There are a great many misconceptions about how Android works with regard to starting and stopping applications.

    How to Use a Task Manager
    Android was designed from the ground up as an operating system (OS) for mobile devices. Its built-in application and memory-management systems were engineered with battery life as one of the most critical concerns.

    The Android OS does not work like a desktop operating system. On a desktop OS, like Windows, Mac OS X, or Ubuntu Linux, the user is responsible for closing programs in order to keep a reasonable amount of memory available. On Android, this is not the case. The OS itself automatically removes programs from memory as memory is needed. The OS may also preload applications into memory which it thinks might soon be needed.

    Having lots of available empty memory is not a good thing. It takes the same amount of power to hold "nothing" in memory as it does to hold actual data. So, like every other operating system in use today, Android does its best to keep as much important/likely-to-be-used information in memory as possible.

    As such, using the task manager feature of SystemPanel to constantly clear memory by killing all apps is strongly NOT RECOMMENDED. This also applies to any other task killer / management program. Generally speaking, you should only "End" applications if you see one which is not working correctly. The "End All" feature can be used if your phone/device is performing poorly and you are uncertain of the cause.

    Process Types






    The SystemPanel process listing groups applications into three categories: "Active", "Inactive", and "Internal":
    • Active applications are actually running at the present time on the device. An active application may be running in the background and not have any information currently displayed on the screen.
    • Inactive applications have been preloaded into memory, but are not actually using up any system resources. Such applications will not consume any battery power whatsoever. The memory used by these applications can be immediately reclaimed should other applications require it. As such, there is no need to manually remove these applications, as you will see no tangible benefit from doing so.
    • Internal applications are those which are part of the Android operating system itself. Some of these applications may be terminated manually, but they will be immediately restarted afterward by the OS."
    Now the video from Google.
    * Originally posted by Renthor @ DxF *

    I highly recommend people, especially those new to Android, watch the Androidology series of videos put out by Google themselves. In particular, part 2 does a great job of explaining how Android (and really Linux) is different then most people's OS experience.

    Here's the link to part 2, "Application Lifecycle"
    #!



    Bear in mind these videos are aimed at developers, but the gist of it is still applicable to everyone.

    After watching the whole Androidology series, I decided to let the OS do its thing with killing/running apps and processes. I have a task killer installed only to kill unresponsive apps that the OS can't kill for whatever reason (which by the way, is a fault generally of the app's developer(s). Not the phone or OS). And the Android OS actually comes with it's own "Task Killer" for this purpose, I just prefer to have easy "one-tap" (or close to it) access to such things.

    Here's the rest if you're interested (highly recommended. Especially if you're a dev) Videos | Android Developers

    UPDATE:


    Adding information from the developer cvpcs (Sapphire).


    ...and the corresponding thread at DroidForum.net
    http://www.droidforums.net/forum/cvp...lanations.html


    With that being said, using a Task Killer on the Samsung Fascinate seems to cause quite a few issues (often not experienced on other Android handsets) and we're better off not having one at all. Of course this is up to the individual user, but hopefully this post will have given you a little better insight on Task Killers.

    Thanks again to Martin at Android.net for this extremely thorough post.

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  3. #2
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    is it really that hard to double tap the little house (or home button) and end task?
    What do you mean im not kind....Just not YOUR kind (Dave Mustaine)

  4. #3
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    Quote Originally Posted by jduncan4 View Post
    is it really that hard to double tap the little house (or home button) and end task?
    I think many people use task killers out of a misunderstanding of how Android works. This article does a fantastic job of explaining how different this OS is from others we're used to.

    Thanks to Martin for posting it on our sister site, and thanks to Chris for posting it here!

  5. #4
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    When I bought my phone, the guy at Best Buy installed the task killer for me. He told me to open it and select end all everytime I thought about it. He said he kills all his apps 30-40 times a day - he said they slow the phone down. However, the next time I was in Best Buy, the guy that was working this time told me I shouldn't have a task killer installed at all. So I don't know who to believe. I guess I will take mine off and see if it causes any problems not having one.

  6. #5
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    Best Buy & Verizon techs have been pushing task killers (no idea why), but real world experience has shown that they're rampantly misused and because of that, cause tons of problems.

  7. #6
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    wow that is some great info. i use advanced task killer free version and probably kill apps up to 50 times a day. i just deleted the app and if my phone starts to lose battery life i will probably reinstall it. what kind of bad things can happen if you are constantly killing your apps?

  8. #7
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    Good grief! What to believe? I was told to kill apps from running to save on battery by the Verizon staff also.

  9. #8
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    It IS good to kill apps you're not using, but you don't need an "app/task killer" to do it for you. They cause more problems than good on our device. Its best to close them yourself. (Always "back out" of an app by hitting the soft back key on the bottom of your Fascinate, as opposed to hitting the home key. (Or use the "exit" feature on those apps that have them.)

    Also, if you're not currently in an app, having it "in the background" does not necessarily mean its "running" so its not going to be using your system resources/memory, etc.

  10. #9
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    Quote Originally Posted by kris View Post
    Good grief! What to believe? I was told to kill apps from running to save on battery by the Verizon staff also.
    For whatever reason, Verizon reps have been trained to push task killer apps. They even install them on phones that are brought in for servicing. (Some of our members here have experienced this.) The info referenced in the OP makes it pretty clear that Android is quite capable of managing its own memory needs.

    Tapatalk'd

  11. #10
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    I once had to argue with a rep trying to install atk on my wifes phone.

    tap tap tap a talk

 

 
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