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App crashing when I attempt to authorize HealthKit

I am running this code: healthStore.requestAuthorization(toShare: types, read: types) { (success, error) in 						if !success { 								fatalError("we ned that data to shar to fcebok") 						} else { 						} 						 				} Then I get an error at runtime: _NSCFString * "*** -[__NSArrayM insertObject:atIndex:]: object cannot be nil" 0x0000600003fd4af0 Is this HealthKit? I can't seem to see what I am doing wrong. By the way, the fatal error message is a joke.
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by Dr_Beta.
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Game Center real time multiplayer

Hello Game Center forums! I am working on a real time Pong game and I can't figure out how to do real time multiplayer matches. Apple's docs are confusing and there are not any Swift 4/5 tutorials. Can you tell me how to do it or recommend a tutorial?
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by Dr_Beta.
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UISipeGuestureRecognizer not. Calling function

let play = UISwipeGestureRecognizer(target: self, action: #selector(upSwipe)) play.direction = .up view.addGestureRecognizer(play)I am working on a WWDC submission and I am trying to make a swipe guesture to get working, the function is an `@objc func` and I have tryed many debugging methods. This is in playgrounds.
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by Dr_Beta.
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Is there a way to make your app not go to areal screensaver?

Hi, I have a tvOS app that is a pong screensaver: https://itunes.apple.com/us/app/pong-screensaver/id1448061396?mt=8There is a thing where it goes to the normal "Areal" screensaver, how do you make it not go there?
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by Dr_Beta.
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