On Nov 26, 2016, at 09:06 , Carl Hoefs <email@hidden> wrote:
Into which xcasset image well does one drop this magical 512x512 image? Every time I've tried using an image even 1 pixel off, Xcode would consider it an error and refuse to build my app. But if this works now, that's great!
I was talking about Mac icons, where there is an actual “512 pt” slot. If you’re talking about iOS, you might have to provide more than one icon, because there are multiple categories of icons, as well as sizes. If you’re only providing one icon in a category, you will have to provide it in a valid size (or 2x or 3x a valid size, depending on the category). If your complaint was that you can’t provide an icon in an *arbitrary* big-enough size and have Xcode scale it to a valid size, then, yes, you can’t do that. Sorry if I gave you false hope.
The best way to find out what sizes to generate, I think, is the Human Interface Guidelines document, which has a section detailing the required sizes and uses of icons. It always seems to be up to date. (I wonder how many people are actually tweaking their lower resolution images.
Some might, er, artistically tweak them, but even if you don’t, it’s probably worth taking the time to generate the lower res ones, just to check what’s going to be used (since you might never see the lowest-res ones used if you have a recent device).
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