◆ Symptom
Build a project made with a version earlier than Xcode 9 with Xcode 9.4.1 and Xcode 10.3,
The icon of the installed application becomes the default (black line on the white background).
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◆ Development Information
OS: macOS 10.13.6 (High Sierra)
Xcode: 9.4.1 / 10.3
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◆ Device information confirmed operation
iPhone 6s (iOS 12.1) actual machine
iPhoneX Simulator
iPhone 8 Simulator
iPhone 7 Simulator
iPhone 6s Simulator
Operation method
Actually select the terminal you want to debug from Xcode and press play button.
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◆ A successful pattern
I built it with Xcode 8.3.3, and when I made it work on real machine (iPhone 6s), the icon was displayed. Launch is possible.
Only one pattern is the only one.
Other patterns are "installation is done, but the icon is the default one, it is possible to launch".
◆ Reference site
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Add App Store icon - App Store Connect Help
https://help.apple.com/app-store-connect/#/dev8b5cb82e2
Information from the official (Apple)
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Corrective action when icon is not displayed in Xcode Organizer | KEYPOINT - Key Point Development Co., Ltd.
https://www.key-p.com/blog/staff/archives/57058
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iPhone application development: 'CFBundleIconName' is missing (Xcode 9) - Moco game blog
https://m-app.jp/blog/?date=2017-10-13
※ CFBundleIconFile and CFBundleIconFiles are "unnecessary so you do not need to delete", but they do not exist (even checked on a text editor)
↓ Also confirmed here
http://www.sumimasen.com/tech/46216718.html
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Icon Set Creator: Create icons required for iOS development at once
http://blog.livedoor.jp/eienf/archives/1063432415.html
* I also tried to automatically generate the icon here.
↑ I created an icon automatically generated here in an empty project created by Xcode 9.4.1 and the icon was displayed correctly.
There seems to be no problem with the icon image itself.
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ios - Application icon of Xcode 10 is not displayed
https://code.i-harness.com/en/q/306b538
I tried three patterns of command line (CUI, sudo's guy), Xcode 8, 9, 10, but neither of them works.
Just to be sure, or the one (GUI guy) also tried three patterns of Xcode 8, 9, 10 but as a matter of course it was useless (as I did the same thing as the command line, For example,
I tried on the above.
As a last resort, I can only think about creating an empty project in Xcode 9.4.1, porting one by one, and checking where the icon will not be displayed, but if you have something else to tell you I want to.
