iPhone icon size

Question

I am developing an application for iPhone to support multiple devices, iPhone 2-4. I had an issue with the app icon as it was shown pixelated in the iPhone 4 simulat

Answer 1

Red,

Please follow these guidelines: http://developer.apple.com/iphone/library/documentation/userexperience/conceptual/mobilehig/IconsImages/IconsImages.html

I have not seen the pixelated issue on the iOS4 simulator like you did using an app that was originally written for iOS3+ with a standard 57x57 icon.