Question

Possible Duplicate:
IPhone/IPad: How to get screen width programmatically?
How to get orientation-dependent height and width of the screen?

Accounting for the various iOS devices and orientations, what is the simplest approach to getting the current screen resolution, including height and width?

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Solution

UIScreen is your friend here.

CGRect screenRect = [[UIScreen mainScreen] bounds];
CGFloat screenWidth = screenRect.size.width;
CGFloat screenHeight = screenRect.size.height;

OTHER TIPS

CGRect screenBounds = [[UIScreen mainScreen] bounds];

That will give you the entire screen's resolution in points, so it would most typically be 320x480 for iPhones. Even though the iPhone4 has a much larger screen size iOS still gives back 320x480 instead of 640x960. This is mostly because of older applications breaking.

Hope it helps you..

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