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I am updating my app from Swift 3 to Swift 4 and after migration, there are a few errors. One of them is Method 'initialize()' defines Objective-C class method 'initialize', which is not permitted by Swift in IQToolbar of IQKeyboardManager, how to fix this?

Tamás Sengel
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Varun Naharia
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1 Answers1

1

- You can also use Singleton solve this problem such as:

    static let shared : AudioTools = {
           $0.initialize()
           return $0
       }(AudioTools())

Your Objective-C method--->initialize 

override class func initialize(){code here}

change:

func initialize(){code here}

Your method here:

func playSound(fileName:String?) {
       code here
    }

use in Swift3: 

let audioPlayer = AudioTools.playMusic(fileName: fileName)

use in Swift4

let audioPlayer = AudioTools.shared.playMusic(fileName: fileName)
user8152635
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  • I've answered in this link: https://stackoverflow.com/a/46360311/1581772 Where I show you can use a singleton (like @user8152635 does) or where you can use a public static method – Christopher Rex Sep 22 '17 at 08:54