What pixels per inch settings do iOS 4 graphics need to be to support the high resolution display? Should I just use the standard 72, or should I specifically make images that are 320×480@163ppi and 640×960@326ppi? Or, should I just make images those dimensions and not worry about the resolution (i.e. leave it at the default 72)?
I’m not concerned about the iPad, only iPhone 3/GS, iPhone 4 and iPod Touch users.
Note
I realize this isn’t about code, per se, but it is related to programming in so much as this is necessary for me to finish my iOS application 😉
Icon and image sizes are documented at https://developer.apple.com/ios/human-interface-guidelines/graphics/custom-icons/