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PLEASE READ: Do NOT worry about Apps running in the Background

Discussion in 'Android General Discussions' started by cereal killer, Nov 9, 2009.

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  1. cereal killer
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    cereal killer Administrator Staff Member

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    This subject has been talked about a lot in here since the Droids release. I've talked to a developer who is very well versed in Linux/Android and he summarized the following as correct......

    Android is different to most other phone operating systems. It's closer to Linux than any other type of operating system. Lots of services and applications constantly run in the background just like they do on Windows. However, and this is important, they do not have to use up a ton of resources. A service or app can be loaded, yet use almost no additional memory, and 0% CPU until it actually has to do something.

    In general, killing off stuff is a waste of time. Android automatically asks apps to close that aren't needed when it needs more memory. Killing off some of the processes you are killing off also means it'll slow your phone down, as these processes only need to reload, and when you do need to use them it means the phone will be slower for the few seconds it takes to reload them.

    Last edited: Jan 17, 2010
  2. garrett
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    garrett New Member Theme Developer Developer

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    this is nice to know..... i wasnt sure how close android was to linux... and me being an ex-linux administrator this is a good thing...
  3. kennyg23
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    kennyg23 New Member

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    It makes sense. I have that app killer program but it doesn't seem to close all of them anyway.
  4. cereal killer
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    cereal killer Administrator Staff Member

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    I deleted the App Killer...it just leads to OCD : )
  5. Dream
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    Dream New Member

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    Great thread, this should be stickied :)
  6. thetruth
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    thetruth New Member

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    Thanks for the info. Now I can rest easy.
  7. Bill M
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    Bill M New Member

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    that's the way it should be! Devices such as the blackberry or any other phone device shouldn't need a battery pull or an app that mimicks a battery pull or closes out applications.
    These phones cost a lot of money and they should work right out of the box.

    And firmware updates should be for updated features, not to fix things that should already work!
  8. ahampton2k
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    ahampton2k New Member

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    Thanks for the info...am used to Storm where I had to try and keep every precious mb free by keeping apps closed. Will try to remove app killer and let the os do its job. :)
  9. ThePhoneGuy
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    ThePhoneGuy New Member

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    Is there a reference so i could back up my statement to someone else, killing apps is a pain and you become obsess about it, but does wi-fi, gps, maps eat up the battery or doesn't matter if they run.
  10. souljerr
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    souljerr New Member

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    Excellent news. I was hoping this was the case.
  11. andjarnic
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    andjarnic New Member

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    Android isn't "close" to linux, it IS linux.. that is the OS that runs on all android phones is a linux kernel, 2.6.x. Android is a platform that runs on top of the linux kernel and handles the task of starting up individual Dalvik JVMs for each app you run. Each and every app you see running in your task list is a separate JVM instance all to itself, so that if the app crashes the JVM, it ONLY brings down that one app. The phone still works, as do the other apps. Each time you install an app, it's installed as a separate user as well. So each app you run, runs as it's own separate user too, making it that much more secure from one app to the next.
  12. cereal killer
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    cereal killer Administrator Staff Member

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    yes wi-fi, gps, maps, bluetooth will eat up battery
  13. noles200
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    noles200 New Member

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    I read this in the crackberry forums from someone there too. I remember seeing you and the other poster talking about it. Glad you brought it over here droidforums.
  14. cLovis_ll
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    cLovis_ll New Member

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    thanks cereal, i was worried and i frequently use the task manager to kill all processes due to the fact that i am scared that my droid would run slow..
  15. Getaphixx
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    Getaphixx New Member

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    Don't use app killer.. Hmmmmmm

    1. Apps could possibly use battery life... (Why would I want to let that happen?)

    2. Battery Life seems to be a big thing....

    3. I don't use my phone for 45min.. And previously used App Killer to disable multiple items.. I come back.. I have things like Alarm Clock and others that have NO business being opened much less running... I kill them.. Jump from 65 to 104mb of memory..

    4. Please tell me how killing UNEEDED items is a waste...lol
    Last edited: Nov 9, 2009
  16. Dream
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    Dream New Member

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    That's interesting. What do you think about the apps running in the back round?
  17. ZeRo_C0oL
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    ZeRo_C0oL New Member

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    Good info!
  18. trevorl
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    trevorl New Member

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    To see what is using up your battery power on the Droid, go to Settings > About phone > Battery use. This will tell you exactly what has been using up your battery power.

    If you are concerned about WiFi, GPS or other applications or services using up your battery power, you're probably better off using an app like Locale to automatically manage your settings based on time & location rather than constantly manually shutting down processes.
  19. mth04
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    mth04 Premium Member Premium Member

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    First Ceral let me say thanks for this thread. There's always so much srrounding memory and devices. I agree that this should be stickied.
  20. cgaliffi
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    cgaliffi New Member

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    Thanks for the INFO!
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