Multitasking (iOS): Difference between revisions

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On [[iOS]], '''multitasking''' is a feature available in [[iOS 4]] or later that allows multiple [[mobile app|applications]] to run and perform tasks at the same time.
 
[[Computer multitasking|Multitasking]] for iOS was first released in June 2010 along with the release of [[iOS 4.0]].<ref name=HuffPost1>{{cite web|title=iOS 4 iPhone Update RELEASED: A Guide To iOS 4|url=http://www.huffingtonpost.com/2010/06/21/ios-4-iphone-update-relea_n_619343.html|publisher=[[The Huffington Post]]|accessdate=April 13, 2013|date=June 21, 2010}}</ref><ref name=PCMag1>{{cite web|last=Albanesius|first=Chloe|title=Apple iPhone iOS 4 Software Update Expected Monday|url=http://www.pcmag.com/article2/0,2817,2365351,00.asp|publisher=[[PC Mag]]|accessdate=April 14, 2013|date=June 21, 2010}}</ref> Only certain devices—[[iPhone 4]], [[iPhone 3GS]], and [[iPod Touch]] 3rd generation—were able to use multitasking.<ref name=ArsTechnica1>{{cite web|last=Cheng|first=Jacqui|title=Ars reviews iOS 4: what’s new, notable, and what needs work|url=http://arstechnica.com/apple/2010/06/ars-reviews-ios-4-whats-new-and-notable/|publisher=[[Ars Technica]]|accessdate=April 14, 2013|date=June 21, 2010}}</ref> The [[iPad]] did not get multitasking until the release of [[iOS 4.2]] in November 2010.<ref name=TheRegister1>{{cite web|last=Ray|first=Bill|title=iOS 4.2 multi-tasking comes to the iPad|url=http://www.wired.com/gadgetlab/2010/09/ipad-ios42/|publisher=[[The Register]]|accessdate=April 14, 2013|date=November 22, 2010}}</ref> Currently, multitasking is supported on iPhone 3GS or newer, iPod Touch 3rd generation or newer, and all iPad models.<ref name=Apple1>http://support.apple.com/kb/ht4211</ref>
 
Implementation of multitasking in iOS has been criticized for its approach, that limits the work that applications in the background can perform to a limited function set, and for requiring application developers to add explicit support for it.<ref name="ArsTechnica1" /><ref name="PCWorld2" />
==Features==
===Fast app switching===