List: iOS | Curated by KIM SEONG HO

Feb 13, 2025

13 stories

iOS
KIM SEONG HO
[iOS] Display App Version in App Settingsreference
1. MAC OS: M2, Sonoma 14.7.1
2. Xcode 16.4
3. Screenshots were captured based on an OS with “Korean language” applied.
Feb 13
Feb 13
KIM SEONG HO
[iOS] Why is the FCM Token issued twice when running the app for the first time?To obtain an FCM Token in an iOS Project, it generally exists and is issued in the following location in ‘AppDelegate.swift’.
Nov 14, 2024
Nov 14, 2024
KIM SEONG HO
[iOS] Implementation of biometric authentication (Face ID, Touch ID)reference
1. Screenshots were captured based on an OS with “Korean language” applied.
Dec 16, 2024
Dec 16, 2024
KIM SEONG HO
[iOS] Why the openURL function doesn’t work starting with Xcode 16.Based on Objective-C,
The openURL function has been deprecated since iOS 10.0, but it is a function that can continue to be used.
Nov 21, 2024
Nov 21, 2024
KIM SEONG HO
[iOS] Push Test with CloudKitreference
1. UI and changes may exist after the date of creation in accordance with Apple policy.
2. This is a way to test push with APNs…
Oct 28, 2024
Oct 28, 2024
KIM SEONG HO
[iOS] ‘Archive’ fails without error (‘build’ fails)reference
1. MAC OS: M2, Sonoma 14.6.1 
2. Xcode 15.4
3. Screenshots were captured based on an OS with “Korean language” applied.
Sep 10, 2024
Sep 10, 2024
KIM SEONG HO
[iOS] Correlation between iPhone’s WIFI and GPSreference
1. Screenshots were captured based on an OS with “Korean language” applied.
Jul 11, 2024
Jul 11, 2024
KIM SEONG HO
[iOS] WKWebView ‘This Connection Is Not Private’ ThroughWhen you access a site that does not have an SSL certificate set up using a verified browser(ex. Safari), the following message will…
Jun 20, 2024
Jun 20, 2024
KIM SEONG HO
[iOS] WKWebView iFrame interactioniFrame access is not possible in iOS WKWebView.
Jun 5, 2024
Jun 5, 2024
KIM SEONG HO
[iOS] Migration from Objective-C to Swift[1] Change file structure
May 20, 2024
May 20, 2024
KIM SEONG HO
[iOS] Various reasons why it crashes (when starting the App)1. info.plist permission issue
Apr 24, 2024
Apr 24, 2024
KIM SEONG HO
[iOS] WKWebView White Screen phenomenonIn my experience, here are the cases where WhiteScreen occurs:
Apr 9, 2024
Apr 9, 2024
KIM SEONG HO
[iOS] The storage path keeps changing when downloading a file using FileManager.Using FileManager,
After downloading the file through the URL, you can save it to the desired path.
Apr 3, 2024
Apr 3, 2024

iOS

[iOS] Display App Version in App Settings

reference 1. MAC OS: M2, Sonoma 14.7.1 2. Xcode 16.4 3. Screenshots were captured based on an OS with “Korean language” applied.

[iOS] Why is the FCM Token issued twice when running the app for the first time?

To obtain an FCM Token in an iOS Project, it generally exists and is issued in the following location in ‘AppDelegate.swift’.

[iOS] Implementation of biometric authentication (Face ID, Touch ID)

reference 1. Screenshots were captured based on an OS with “Korean language” applied.

[iOS] Why the openURL function doesn’t work starting with Xcode 16.

Based on Objective-C, The openURL function has been deprecated since iOS 10.0, but it is a function that can continue to be used.

[iOS] Push Test with CloudKit

reference 1. UI and changes may exist after the date of creation in accordance with Apple policy. 2. This is a way to test push with APNs…

[iOS] ‘Archive’ fails without error (‘build’ fails)

reference 1. MAC OS: M2, Sonoma 14.6.1 2. Xcode 15.4 3. Screenshots were captured based on an OS with “Korean language” applied.

[iOS] Correlation between iPhone’s WIFI and GPS

reference 1. Screenshots were captured based on an OS with “Korean language” applied.

[iOS] WKWebView ‘This Connection Is Not Private’ Through

When you access a site that does not have an SSL certificate set up using a verified browser(ex. Safari), the following message will…

[iOS] WKWebView iFrame interaction

iFrame access is not possible in iOS WKWebView.

[iOS] Migration from Objective-C to Swift

[1] Change file structure

[iOS] Various reasons why it crashes (when starting the App)

1. info.plist permission issue

[iOS] WKWebView White Screen phenomenon

In my experience, here are the cases where WhiteScreen occurs:

[iOS] The storage path keeps changing when downloading a file using FileManager.

Using FileManager, After downloading the file through the URL, you can save it to the desired path.

KIM SEONG HO