You double-tap the home button on your iPhone or hit the multitasking key on your Android, and you just start swiping. You close all the apps you've been using. Days, weeks, months' worth. Not only is there something deeply cathartic about it, but it feels like a cleansing, a reset.
Best of all, with no apps running, your battery's in great shape! In the last week or so, both Apple and Google have confirmed that closing your apps does absolutely nothing to improve your battery life. Really that's all you need to know. You can stop here. This isn't even particularly revealing, really; it's just nice to hear the people who built the platforms confirm it.
Here's the takeaway, once again: Stop closing your apps, because it's not doing you any good. But if you want to know why, it helps to have a basic understanding of how multitasking works. On iOS, for instance, there are five different states an app can be in at any given time.
Android's setup is similar enough that we don't need to go over both. Not Running is obvious: Would it be so diffifcult for Apple to include some hints when they change functions? If they had added a text like "Swipe up to close app. Nvm on my orientation screen rotation question. It just started working out of the blue. Go figure. As for swiping up to close apps, that's iPad only. On the iPhone, you still have to double tap the home but which also works on iPad btw.
This was a key feature discussed in the keynote speech when ios 7 was first unveiled and has been the wat to close apps since ios 7 was released. I have a very first iphone 4 and unfortunately have updated FW upto iOS 7. Applications do not fully terminate even if I swipe them off from the termination panel. Skype and several other apps go on showing push-messages. Rebooting doesn't help. Is it a bug or a feature?
- Stop Closing Your iPhone Apps to Save the Battery.
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Internet is great mostly when geting infos. So i ask myself if i am a idiot or all the happyfeedback writers.
Why you should stop closing apps to save battery life - CNET
Mostly the majority is right. Exeptions like 3 tes Reich with Nazis are exeptions only right? Double-click the Home button to bring up the multitasking view. Swipe up the screenshot of the app you want to exit. The app will fly off the screen, and release its resources to the OS. I was upset for a few hours till I read your article. Thank you!
Slide the app upward. Yeah its more like select and slide rather than swipe Ah - it's obvious now: Thank god, you saved my life! This doesn't seem to work in OS7 for my iPad mini? So many new things. When I search in my text messages I cannot see anything if I type in my contacts entire name. Thats was really not so obvious. Slide the app upward Worked! Nice TYVM. So helpful! Thanks so much.
Thanks guys. However, unless you've only just locked your iPhone and it's still finishing executing code or it's running in the background e. Execution States for Apps. Background Execution.
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What's draining the battery is starting the app again. Suspending an app is cheap. Resuming a suspended app is cheap. But needing to completely load the app from scratch takes a lot of resources even if some of them may still be cached: I had always thought that the switcher lists all apps ever opened on the phone up to some maximum limit, in the order they were last used, regardless of whether they were in memory or not.
If I scroll back sufficiently far, switching to an app will provoke a fairly long pause as I assume the app is loaded from disk. Is there any documentation which confirms your view of its behaviour? This is a useful answer, but there's no way that iOS would keep 50 apps all suspended, unless each of them has a truly microscopic memory footprint. I switch between large apps all day Safari, twitter, Facebook, Reddit, YouTube, etc , and I often get a "full reload" switching back to an app only 2 or 3 cards down the most-recently-used list.
Monomeeth Plenty of apps that are effectively terminated - i.
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- How to actually preserve your phone’s battery life.
- Why is it better for an iPhone’s battery to NOT close down apps? - Ask Different.
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- Apple says iPhone battery life is not improved by closing apps - Business Insider.
That being said, the premise is: It knows how much it has, and how much it needs to a certain degree. Everything a Processor CPU does, takes energy.
Why Closing Background Apps in iPhone, Android To Save Battery is a Bad Move?
Absolutely everything. When an app is killed, there are some agreed protocols contracts that define what needs to be done. However … In some instances and they are rare but not impossibly rare , you want to kill apps that are misbehaving. The Car Analogy I know that car technology has advanced and this is no longer a good example, but play with me here.
Martin Marconcini Martin Marconcini Haha, I like the analogy and your answer. Question about your comment re: You used more battery by doing that [ While I don't quit apps otherwise, I often assume that a hung-up or otherwise troubled app is likely consuming a lot of resources by repeatedly trying and failing to do whatever it wants to do. I see that this could be less intensive than starting back up from scratch, you believe that is generally the case? There are some clear signs that something is wrong. Those are good signs that something is using more resources than it should and in those cases killing the suspected app is the way to go.
If you force-shutdown an app entirely, then when you need to re-open it at a later time, the overhead associated with launching a new instance of the app is more CPU and energy intensive than just switching from one app to another. When an app is just sitting there in memory, unless it is actually built to run in the background, it is usually paused or killed and does not consumed any CPU cycle usually.
If it's a fairly simple app, then it will be just sitting there using memory. In such case, the app state is persisted somewhere else on device storage in the case of Android so that the app state can be restored later. To give you an idea, a rather long unsent message that I wrote in the Viber app in my phone survived a phone shut down due to battery depletion.
#1 Start with your own battery test
After restarting the phone, then Viber, I found the message waiting for me to send it. Depending on your memory chip, whether it contains zeros or ones will not make any significant difference in the power consumption. So keeping stuff in memory of not won't significantly make you save battery. When an app is in super deep sleep guys, please confirm this , only a reference to it will be visible in the app switcher as a snapshot of the last screen that was visible from it before going under.
I am saying this because one day, I have decided to close all the apps in my iPad, and I was surprised by the amount of apps I had to close. It was more than 60 apps. These cannot be all held in the memory of the iPad. I saw some apps in there, that were used several months ago. This analogy is IMO similar to the memory saving myth. Abdoulaye Siby Abdoulaye Siby 4.
Trevor Hart Trevor Hart 2. I'm not sure this is correct - are you an iOS developer?