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How to design for different iphone versions?

12-10-2012, 06:02 AM
#1
How to design for different iphone versions?

Hi Gurus
I have never designed for an app before, this is all very new to me. Iphone comes in three different specs being:
Iphone 5 : Screen size 4 inches, Resolution 1136x640
Iphone4 : Screen size 3.5 inches, Resolution 960x640
Iphone 3: SS 3.5, Res 480x320


Can someone please advise me if I need to:
1. Create/Design different screens for different sizes ?
2. Do deverlopers create different versions of same app. for different sizes/Resolutions ?
3.Provide graphics at different resolutions to developer?

I'm not designing for a game btw.
Thanks for your time