According to documentation doing:
let alert = NSAlert()
alert.icon = nil
alert.runModally()
should render application's icon. But I get placeholder instead.
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zuziaka
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Is every size of your `AppIcon` file filled? – Tamás Sengel Jul 04 '17 at 14:30
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Yes it is, also: `NSImage(named: "AppIcon")` is not nil – zuziaka Jul 04 '17 at 14:42
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@zuziaka , what do you mean "place holder instead" – Rajamohan S Jul 04 '17 at 14:59
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1Why do you even need the second line? – El Tomato Jul 04 '17 at 20:34
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instead of `alert.icon = nil`, Try `alert.icon = NSImage(named: "imageName.png")`. Make sure you copy png file to resources. – Lakshmi Yadav Sep 02 '20 at 09:22
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I've also noticed that depending on when you added your appIcon you may have to "Clean Build Folder" for the icon to show up – Jc Nolan Apr 30 '21 at 22:14
2 Answers
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Was just having this same problem. Initially I had only a 256@1x icon and got no icon in the alert. Once I added a 128@1x icon to the AppIcon resource however, the NSAlert displayed it properly.
And no, you don't need to explicitly set the icon to nil.
gmw
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Do the icon files need to be named like that? i.e. "
128@1x.png"? Mine are currently like " – alesplin Sep 08 '18 at 07:38128x128@1x.png" but I'm getting the placeholder in my alerts...
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You can tried some apple built-in icons such as:
alert.icon = NSImage (named: NSImage.cautionName)
Full list of apple icons is here: https://developer.apple.com/documentation/appkit/nsimage/name
Sai Zhou
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