In a digital age where visuals play an important function in messaging, background changer applications have actually become a crucial device for content developers, designers, digital photographers, ...

Apple’s done a deft job mitigating the disadvantages of true multitasking with iOS 4 by giving devs access to a few intelligently chosen APIs (like background audio) and universal state saving.

Conditions set out in Apple's iPhone SDK are dampening hopes of porting some highly valued applications to the handheld device — including interpreted code, programs within programs, and background ...