You can either use Cocoapods, or manually install the Klarna Checkout SDK for mobile apps in your environment.
pod 'KlarnaCheckoutSDK'
If you don’t use Cocoapods, manually download the iOS SDK framework from github and link the dependencies
MobileCoreServices
SafariServices
JavascriptCore
SystemConfiguration
WebKit
Security
CFNetwork
Klarna Checkout needs to be able to open external apps, since this is required in some consumer authentication scenarios.
Add the following configuration in your Info.plist:
<key>LSApplicationQueriesSchemes</key>
<array>
<string>bankid</string>
</array>