[AppIcon] iOS 10.3 Dynamic Alternate Icon Name (동적으로 앱 아이콘 변경)

Info

In iOS 10.3, the function to change app icons has been added, which allows you to change the icon without updating the app.

How to add

In Project

• minimum target version : iOS 10.3
• Add the alternate icons onto project
• I haven't found a way to use Assets yet
  
• Add CFBundleIcons parameter in app’s Info.plist file
• reference : https://developer.apple.com/reference/uikit/uiapplication/2806818-setalternateiconname?language=objc

// Info.plist

...

<key>CFBundleIcons</key>

<dict>

<key>CFBundleAlternateIcons</key>

<dict>

<key>icon_type_1</key>

<dict>

<key>CFBundleIconFiles</key>

<array>

<string>icon1</string> // <- added the alternate icon name

</array>

<key>UIPrerenderedIcon</key>

<false/>

</dict>

<key>icon_type_2</key>

<dict>

<key>CFBundleIconFiles</key>

<array>

<string>icon2</string>

</array>

<key>UIPrerenderedIcon</key>

<false/>

</dict>

<key>icon_type_3</key>

<dict>

<key>CFBundleIconFiles</key>

<array>

<string>icon3</string>

</array>

<key>UIPrerenderedIcon</key>

<false/>

</dict>

</dict>

<key>CFBundlePrimaryIcon</key>

<dict>

<key>CFBundleIconFiles</key>

<array>

<string>AppIcon60x60</string> // <- Assets AppIcon

</array>

</dict>

</dict>

...

In Code

• Setting the alertnate Icon

if ([[UIApplication sharedApplication] supportsAlternateIcons] == NO)

return;

[[UIApplication sharedApplication] setAlternateIconName:@"icon_type_1" //AlternateIcons key name

completionHandler:^(NSError * _Nullable error) {

NSLog(@"%@", [error description]);

}];

• Reset to the primary icon
  

if ([[UIApplication sharedApplication] supportsAlternateIcons] == NO)

return;

[[UIApplication sharedApplication] setAlternateIconName:nil

completionHandler:^(NSError * _Nullable error) {

NSLog(@"%@", [error description]);

}];

Source code

https://github.com/tezpark/AlternateAppIcon-example-objC