Custom UIActivity written in Swift 2.2

CustomActivity.swift

//
//  CustomActivity.swift
//
//  Created by Kalpesh on 24/03/17.
//  Copyright © 2017 Kalpesh Talkar. All rights reserved.
//
//

class CustomActivity: UIActivity {
  override func activityType() -> String? {
    return "ActicityType"
  }
  
  override func activityTitle() -> String? {
    return "ActivityTitle"
  }
  
  override func canPerformWithActivityItems(activityItems: [AnyObject]) -> Bool {
    print(#function)
    return true
  }
  
  override func prepareWithActivityItems(activityItems: [AnyObject]) {
    print(#function)
  }
  
  override func activityViewController() -> UIViewController? {
    print(#function)
    return nil
  }
  
  override func performActivity() {
    print(#function)
    activityDidFinish(true)
  }
}