Sleep function: What exactly does it do?

Discussion in 'iPad 2 Forum' started by ibarrere, Apr 22, 2012.

  1. ibarrere
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    ibarrere iPF Noob

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    I've looked around a fair bit trying to get to the bottom of this, but can anyone answer what exactly occurs when the iPad goes to sleep?

    As far as I can tell, not much. Music continues to play (if queued before sleep), downloads continue running, etc.
  2. ibarrere
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    ibarrere iPF Noob

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    Hmmm... I'm actually not sure how music is treated.

    I use a Google Music app (I've experienced the same issue with all Google Music apps, so I think it's something fairly universal) that has only really long tracks (an hour or more each). If I queue up a song and let it play for a bit then put the iPad to sleep with the switch or smart case, a short while later the track stops and the next one in the playlist starts up. If I keep the iPad awake this doesn't seem to occur. I would think if sleep mode affected music that it would just stop it altogether, rather than starting on with the next track in the playlist.

    Can't really figure it out, but not many other people seem to notice or care, perhaps I'm the only one who listens to mixes.
  3. ibarrere
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    ibarrere iPF Noob

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    Ugh, at least so I thought. I just tried again and the track has been playing for at least 15 minutes while the iPad is asleep. Apparently the distribution of a track ending prematurely and continuing with the next one is completely random.
  4. cellur111
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    cellur111 iPad Enthusiast

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    Saves battery mainly
  5. ibarrere
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    ibarrere iPF Noob

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    Haha, right... I know what the purpose of it is, I'm wondering how exactly it does that though. What operations cease aside from the screen and stuff?
  6. quake5254
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    quake5254 iPad Junkie

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    As it implies - sleep.
  7. magpiemini
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    magpiemini iPF Novice

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    Except that it doesn't
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  9. Mickey330
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    Mickey330 Administrator Staff Member

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    From what I can understand, the iPad suspends operations when asleep. When it first goes to sleep ome (all?) of the default apps will keep running for a while. As in, if you are downloading an app from the App Store, the download will keep running until it's done. But, it won't run all the time (I think I read somewhere that the default apps are set up to run for about 10 minutes after sleep.

    For the non-stock apps, the ones you buy/get from the App Store, they are suspended until you go back and "wake"the iPad up. Most are written so that you go right back to where you were.

    I'm sure there are other things happening "under the hood," but essentially, all app operations freeze until you wake the iPad up.

    Marilyn

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