Apple releases ‘developer preview’ of iPhone 4.0 SDK

David Flynn
09 April 2010, 10:44 AM


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With the launch of iPhone OS 4 expected to be just 12 weeks away, Apple has released a developer preview of the software toolkit needed to write apps for multitasking and more…


Eager to upgrade your iPhone app, to start work on your first app or simply to learn more about mobile app programming?

Apple’s iPhone Dev Centre now contains a beta copy of the iPhone 4.0 SDK. The preview pack can be downloaded by members of Apple’s iPhone Developer Program, which means it’ll probably hit the BitTorrent circuit before the day is out.

In addition to the new multitasking features of the OS, the SDK also opens third-party access to the Calendar and Photo Library, composing SMS messages from within apps and document previews.

Developers can also start experimenting with embedded in-app advertisements written around Apple’s iAd mobile advertising platform.


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todd_h86 (User):

I watched the movies with the beta OS on a 3GS. Looks awesome, is quick as (but was limited to aeroplane mode) and the multitasking is awesome. I really want the folders also, I hate having 5 pages of apps.... One big annoying thing is that the multi-tasking is for 3GS ONLY and the update is for 3G and 3GS not the orignal iPhone. I have a 3G, so I wont get the multitasking, but I jailbreak for that anyway and my contract is up in Oct/Nov so I wont have to wait long to upgrade.

09 April 2010, 12:15 PM (2 years ago)report abuse Send to a friend reply

jonjon711 (New user):

if anyone is interested in upgrading to 4.0 i can register your devide for $8
you can message me at jonselectric@yahoo.com

i accept payment via paypal

09 April 2010, 2:48 PM (2 years ago)report abuse Send to a friend reply

jonjon711 (New user):

if anyone is interested in upgrading to 4.0 i can register your devide for $8
you can message me at jonselectric@yahoo.com

i accept payment via paypal

09 April 2010, 2:49 PM (2 years ago)report abuse Send to a friend reply

jonjon711 (New user):

if anyone is interested in upgrading to 4.0 i can register your devide for $8
you can message me at jonselectric@yahoo.com

i accept payment via paypal

09 April 2010, 2:49 PM (2 years ago)report abuse Send to a friend reply

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