Apple's multi-tasking system is a weakness， in the iPhone 4.0 has finally made a change, according to the words of Steve Jobs, Apple iPhone 4.0 system not only supports multi-task processing and switching, while in the standby capacity has also been strengthened, not lead to multi-task because the battery is running very consuming. The realization of this operation is very simple, we only need to quickly double-click the iPhone's Home button. The multi-tasking solution is, Apple iPhone 4.0 firmware adds the multitasking API.Source URL: https://celcells.blogspot.com/2010/04/apple-iphone-os-40-new.html
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