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Does anyone know where the various screen dimensions are for the iPhone4? I have checked the MobileHIG but alls I could find where references back to the old iPhone3G. Should I just assume that all previous values are doubled (i.e. StatusBar = 40 pixels), or is there a more accurate illustration (like the one below hidden somewhere else?
Cheers Gary
Points are the new pixels.
You keep working with the values you’re used to, just like if you were still developing for 3G / 3Gs. The unit of these values is now called points instead of pixels, to avoid confusion. On the older iPhone models, a 2×2 point square equals 2×2 pixels on the screen. But on iPhone 4 the same square equals 4×4 pixels. UI elements are rendered at the appropriate resolution automatically, images and other content you provide will be scaled, unless you provide high resolution versions of those ressources.
You might want to read this document for further information.