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Editorial Team
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Asked: 2026-05-15T20:46:54+00:00

I am debugging an application using iPhone 4 Simulator. I have selected it from

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I am debugging an application using iPhone 4 Simulator. I have selected it from the simulator menu (device = iPhone 4). When I run the app, the screen size is reported as 480×320 !!??

Is there something I have to modify on this app of mine (originally built for 3G/3gs) in order to make it run on iPhone 4 (yes, I have recreated all artwork as 960×640 and the artwork is on the bundle, but it is scaling it down to half the size… because it is running on 3G/3GS mode, instead of hi res).

running

CGRect cgRect =[[UIScreen mainScreen] bounds];

will result in (0,0,480,320).

Any clues?

thanks for any help.

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1 Answer

  1. Editorial Team

    Recommended read: http://developer.apple.com/iphone/library/documentation/iphone/conceptual/iphoneosprogrammingguide/SupportingResolutionIndependence/SupportingResolutionIndependence.html

    One point does not necessarily
    correspond to one pixel on the screen.

    A sample project, download here.

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