I have an Objective-C project in Xcode 8 Beta 3. Since updating, whenever I try to build I receive the following error: “Use Legacy Swift Language Version” (SWIFT_VERSION) is required to be conf...

I have downloaded it 3 times. Twice in safari and once in chrome. Every time I cannot unarchive it with the default tool, or with Unarchiver. Based on this apple developer thread I tried: $ xar ...

I need to schedule a Timer for firing a function every second but I see that in Xcode 8 beta 3 the scheduledTimer is only available for iOS 10. Is there any alternative for using the timer in iOS ...

UNUserNotificationCenter function is not called on clicking Action Button Chat in Notification after 3D Touch if App is not active(not even in Background or say has terminated). I used "attach to p...

I want to be able to easily prototype my Sprite Kit code in Playgrounds. This works fine in Xcode 7 import UIKit import SpriteKit import XCPlayground let sceneView = SKView(frame: CGRect(x:0 , y...

I need to implement this Objective-C code in Swift 3.0 (I'm using Xcode 8 Beta 3): // Note: this code comes from an Obj-C category on UIImage CGImageRef imageRef = CGImageCreateWithImageInRect(sel...