dispatch-after – IT Nursery

How to program a delay in Swift 3

May 9, 2022 by IT Nursery

In earlier versions of Swift, one could create a delay with the following code: let time = dispatch_time(dispatch_time_t(DISPATCH_TIME_NOW), 4 * Int64(NSEC_PER_SEC)) dispatch_after(time, dispatch_get_main_queue()) { //put your code which should be executed with a delay here } But now, in Swift 3, Xcode automatically changes 6 different things but then the following error appears: “Cannot convert … Read more

How to create dispatch queue in Swift 3

May 7, 2022 by IT Nursery

In Swift 2, I was able to create queue with the following code: let concurrentQueue = dispatch_queue_create(“com.swift3.imageQueue”, DISPATCH_QUEUE_CONCURRENT) But this doesn’t compile in Swift 3. What is the preferred way to write this in Swift 3? 15 Answers 15