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App that turns on WiFi when charging?

Discussion in 'Android Apps & Games' started by sorka, Aug 17, 2010.

  1. sorka

    sorka Android Enthusiast
    Thread Starter

    Anyone know if there's an app that can enable wifi when charging and disable when removing from the charger?
     


  2. sockrebel

    sockrebel Newbie

    Don't know for sure, but I assume that you would be able to set that up on Tasker.
     
  3. hunta

    hunta Well-Known Member

    Yes you could, no problem.
     
  4. srothkin

    srothkin Member

    Setting Profiles can also do it. I have mine setup to turn on WiFi whenever I plug it in while I'm at home.
     
  5. fratermus

    fratermus Well-Known Member

    Tasker FTW.
     
  6. frankbonatelli

    frankbonatelli Well-Known Member

    I do believe that you can simply set this up in settings. When there hit your menu button again and select advanced wifi settings. In here you can tell it to stay on always, only when charging or never
     
  7. lexluthor

    lexluthor Android Expert

    Why would you want that? If you are in a wifi area, stay on wifi all the time. You'll get both faster speeds and better battery.
     
  8. fratermus

    fratermus Well-Known Member

    Because wifi crushes battery life for some people?
    Because the OP might not need wifi on all the time?
    Because the OP wants more control of his/her device?

    If we wanted the manufacturer/developers to limit us to default configurations we would have bought iPhones. :p

    In my case I have no data plan and use wifi to sync to google, etc. I have wifi set up to not sleep when on the charger. So when I use my phone it syncs. When I don't use it the wifi can sleep if it wants, and loses very little battery power.

    On my device it's found in Settings | Wireless and Networks | Wifi settings | (menu) advanced.
     
  9. ranova

    ranova Android Enthusiast

    Unless you turn off network data, wifi always gives better battery if you set the sleep policy to never.
     
  10. TheBiles

    TheBiles Android Enthusiast

    This. The wifi radio uses MUCH less power than the mobile network. Unless you're switching back and forth between mobile and wifi constantly you will see great battery life with a good wifi connection.
     
    Mr. Ed likes this.
  11. fratermus

    fratermus Well-Known Member

    I did specify above that I have no data plan. The OP did not specify either way.

    There does not seem to be a unified consensus amongst the more technical folks (xda, etc) that sleep=never will always yield greater battery life.

    I think it is fair to say that an established wifi connection to a WAP with a good signal will use less power than 3G, which is not exactly the same thing as saying less power than network data or mobile network. I have not heard the argument made that it would used less power than non-3G data.

    In the spirit of experimentation:
    For those of us without a data plan it is not clear that sleep=never is a win. With "sleep=never when plugged in" WIFI is always is a minimal drain on my battery (~15%) and it loses 3% overnight on average.

    I turned on sleep=never last night; it lost 9% overnight and wifi was 70% of my battery usage. This would seem to indicate that sleep=never may use more power than one of the sleep modes for those of us with no data plan.
     
  12. TheBiles

    TheBiles Android Enthusiast

    But who the hell doesn't have a data plan? You can't even get most smartphones without one.
     
  13. fratermus

    fratermus Well-Known Member

    I'm pretty sure I already answered that.

    My mobile bill is about $90/year because I have a cheap prepaid voice with no data plan, and use wifi for data.

    I do not fault those who want the Full Monty experience and are willing to pay 10x what I do for it. Fine. But my cheap, non-data setup is fine with me. And it explains why someone might ask the question the OP did.


    This is demonstratably not true.
     
  14. ranova

    ranova Android Enthusiast

    If you go over to XDA, there have been many posts that bring up the WiFi sleep policy when someone makes a new thread stating that their battery sucks (any Android phone).

    You kind of state the obvious, if you DO NOT have a data plan, then keeping Wifi On will definitely drain more than having no data at all - but the downside is that you will probably not get any notifications because for those who DO have data plans and do not set the policy, it shuts off wifi when in standby and uses 3g data instead. There was a complaint regarding this when someone would use Pandora\Slacker\etc while on wifi and sets the phone to sleep, and later find that their data usage had skyrocketed because the phone had switched to 3g while streaming music.

    You bring up the argument for people who DO NOT have a data plan, but fortunately\unfortunately (depends on how you look at it), the majority of people HAVE data plans. You speak for the minority regarding your experiences.

    Therefore, for the purpose of this thread and any other battery argument, wifi sleep to never = more battery if you have a data plan. This has been tested by many and myself.

    Wifi sleep policy set to never: 5-6% battery drain over 8 hour period
    Policy set to Always sleep: ~17% over an 8 hour period
     
  15. lexluthor

    lexluthor Android Expert

    Ranova,

    And that's if you have a decent 3g signal. Drain wiil be worse as signal gets worse. Most people have strong wifi signals at home and work.
     
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