Thus you can calculate the radius for any icon size using 10/57 x new size (for example 10/57 x 114 gives 20, which is the proper radius for a 114px icon). Apple starts with the 57px icon and a radius of 10 then scales up or down from there. Use launch.png at 320x480 and at 640x960.Īfter trying some of the answers in this post, I consulted with Louie Mantia (former Apple, Square, and Iconfactory designer) and all the answers so far on this post are wrong (or at least incomplete). You can see this in action on the Summary page of the application target if you've done it right.
To add a retina-compatible file, use the same file name and add So if I had a file for my 72x72 icon named icon.png, I would also add a 114x114 PNG file named to the project/target and Xcode would automatically use that as the icon on a retina display. There is also a very good answer from which has the location of image mask files used in the SDK for rounding icon corners If you do create a set of custom icons, you can set the UIPrerenderedIcon option to true in your ist file and it will not add the gloss effect but it will place a black background under it and still round the image corners with these corner radii so if the corner radius on any of the icons is greater then it will show black around the edges/corners.Įdit: See comment from and you can see that any future icon sizes should have a 1:6.4 ratio of corner radius to icon size.
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