How can I determine programmatically that my app is running on an iPhone, iPad or iPhone 4?

Question

I just finish my iPhone game using cocos2d. But before I put it on the AppStore, I'd like to make it work on iPad (which have a bigger screen) and iPhone 4 (which have a bigger resolution).
So, how can I determine programmatically that my app is running on an iPhone, iPad or iPhone 4, to be able to use the correct coordinates / images in my game?

Thanks for your help!

Do you mean 'programmatically'? – BoltClock Jun 12 '10 at 11:03 — BoltClock, Jun 12 '10 at 11:03
Well using code I guess? rather than asking the user – Pez Cuckow Jun 12 '10 at 11:05 — Pez Cuckow, Jun 12 '10 at 11:05

score 2 · Accepted Answer · edited May 23 '17 at 10:32

2

Between iPad and iPhone — Already answered many times.

Between iPhone and iPhone 4 — The size reported is still 320×480, so you don't need to change anything about the coordinates. Create an @2x alternative for the images if you need a high resolution UI image.

edited May 23 '17 at 10:32

Community

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answered Jun 12 '10 at 11:21

kennytm

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Hey Kenny, could you please tell me what you mean by "@2x" in little more detail? – Dave O. Jun 12 '10 at 12:08
@Dave: Say, if you have a 15x27 image `foo.png`, then you create a 30x54 `[email protected]`. iPhone 4 will pick up the latter whenever you need `foo.png`. See the SDK doc for detail. – kennytm Jun 12 '10 at 15:16

How can I determine programmatically that my app is running on an iPhone, iPad or iPhone 4?

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