Kii iOS SDK supports both Objective-C and Swift.
The table below shows the supported development environments and languages.
|Xcode 7||Swift 2.0-2.2 and Objective-C|
|Xcode 8 or later||Swift 3 and Objective-C|
This guide provides sample code in Swift 3 and Objective-C. If you use Swift 2.0-2.2 in Xcode 7, modify the sample code in Swift 3 to conform to the language specification of Swift 2.0-2.2 as required.