How to use apps in the background on iPhone and iPod Touch

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One of the limitations, besides not being able to copy and paste, that it has iPhone and the iPod Touch and that is heavily criticized is the lack of support for running applications in the backgroundFor example, if you have an application of instant messaging for iPhone how palringo o MobileChatYou can't switch applications without your session closing because when you switch applications, the previous application closes completely. I think the only application that has that functionality is the music player.

But thanks to hackers who program unauthorized applications Apple and that are installed in the iPhone ’s relationship with the jailbreakThis feature can be achieved for almost any official application of the App StoreFor that, you need to install backgrounder which you can find in Cydia and it is used to use different applications and save the state they are in if we need to switch applications.

http://code.google.com/p/iphone-backgrounder/wiki/Documentation