How to close apps running in the Background
This is a discussion on How to close apps running in the Background within the iPad General Discussions forums, part of the Apple iPad Discussions category; Thanks Scott, Im on it,down loaded another copy and found it. Office Depot did a print job for me and it looks like they missed ...
Thanks Scott, Im on it,down loaded another copy and found it. Office Depot did a print job for me and it looks like they missed a few pages,so I will re-print the missing pages. Or maybe it was me,will have to check my thumbdrive,but then again I never make misteaks.
02-18-2011 02:16 PM
Lol how like the rest of us......
but then again I never make misteaks.
You sir have passed the Turing test.
It is a mistake to think that an app is taking up memory just because it is on the recent list. In most cases only the first three to four apps are actually loaded into RAM. iOS removes apps from memory as they are needed. It isn't always as efficient as it could be, whether that is the fault of iOS or the way some apps request memory who knows. So you can sometimes see a performance bump if you free up memory manually, either with another app, or just by closing the first few (or all) apps from the list. This generally works best if you do it before launching the new app you need to be at it's best.
For anyone who doubts the RAM usage, it is easy enough to test. Just load up your favorite RAM monitoring app, then open the recent list and start closing apps. You'll see big memory gains for the first few, and then almost nothing from that point on.
So it's not really a task list. It does actually get too long to be useful even if it is just a recent list and memory utilities definitely free up RAM that iOS hasn't gotten around to yet.
Originally Posted by twerppoet
It sounds like the "multi-tasking" feature of 4.21 isn't really what you might reasonably expect, something that has been said before I think.
I don't know about reasonable. Apple wasn't shy about letting us know exactly what the limitations were on the iPad's multitasking. Any app that is not active on the display is always frozen, not using CPU. Sometimes they are in RAM, and other times they only have their state recorded. iOS determines which stay in RAM and how long based on needs of the running app. The most recent apps are the most likely to still be in RAM. This is because the system figures you are more likely to go back to a recent app. Having it in RAM drastically shortens the time it takes to switch back to it.
There are only a few types of background tasks that these apps can initiate before they freeze. They include playing music, GPS, download/uploads, and a few others. I don't remember them all. There is a list somewhere. The background tasks Apple made available to developers were based (so it seems) on the most common user reasons about why they needed multi-tasking.
Instead of making multi-tasking system wide and open, Apple compromised. They tried to give the majority of uses what they wanted/needed, while preventing rouge apps and less savvy users from being able to bring the iOS system to its knees. Apple decided (or it seems to me) that it was better to piss off a few power users and unique cases than risk the bad press it would get if lots of average users had the iPad crashing and bogging down every time they opened more than one or two apps.
Besides, power users have always been happy to go rouge and jailbreak or root, or whatever it takes. They usually know enough to understand that it is their own fault when the system dies, and that they have to fix it themselves.
And many of them would be disappointed, I think, if there was nothing to rebel against.
I just happened to notice I had saved this to my Dropbox. Not sure where I got it (or why I saved it for that matter) but here it is for what its worth. i had forgotten the deal about so many in landscape, so many in portrait. Interesting.
by Dave Caolo (RSS feed) on Nov 24th 2010 at 4:30PM
iOS 4.2 finally introduced multitasking to the iPad, boosting its usefulness significantly. Here's a brief overview of how it works and what you can expect from this exciting new feature.
The Multitask Bar
The iOS keeps a running tally of recently-used apps for you and displays them in the Multitask Bar. To bring it up, just double-tap the iPad's home button as you do on the iPhone. The main screen slides out of the way to reveal the list. There are two main differences between the Multitask Bar on the iPad and the iPhone.
First, the iPad lists the six most recently-used apps while in portrait orientation and seven while in landscape. The iPhone always lists four, regardless of orientation. Also, swipe all the way to the right on the iPhone to bring up the orientation lock button, iPod controls (back, play/pause and skip) plus the iPod app icon. The iPad displays those, too, as well as a brightness slider and a volume slider.
This is minor but still fun. The animation that the iPad uses when fast-switching between apps is slightly different than what the iPhone uses.
Old Mac users like me were trained to quit any apps that weren't running. These old habits die hard, and at first it can feel odd that all of those apps are still "running." You can force them to quit, however. Here's how.
First, call up the Multitask Bar. Next, press-and-hold on an icon to enter "jiggle mode." Each icon presents a small, white "-" on a red field on its upper left-hand corner. Press it to remove that app from the list and terminate it (if it was running). Note that when you do this, you won't find that app in its previous state the next time it's launched. Why would you want to do this? I've found that it sometimes fixes misbehaving apps. Other than that, it's not necessary. As Steve Jobs said, just forget about it.
What's actually going on here?
Apps that "multitask" on the iOS are "suspended." GPS receivers, music players, etc. -- those that will operate in the background even as you perform another task in the foreground -- are running while suspended. Apple aims to keep as many apps running as memory will allow.
Otherwise, apps pick up where you left off the last time you used them. While waiting for you to return, those apps are suspended, living in a saved state for immediate return to the screen you were on when you switched to another app. If your iOS device runs out of memory, suspended apps that haven't been used in a while are purged from their suspended state. That decision isn't up to you, so you've got to trust Apple.
I'm loving this new feature, and hope you are, too. Now that I can hop from app to app without starting from scratch, my iPad is more useful than ever.
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