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Swift Playgrounds crashing when running at different speeds

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0

I have this code in viewDidAppear

 override func viewDidAppear(_ animated: Bool) 
 BGAmbient.frame = CGRect(x: 0, y: 0, width: arView.center.x*2, height: arView.center.y*2)
 BGAmbient.backgroundColor = UIColor(red: BGred, green: BGgreen, blue: BGblue, alpha: BGalpha)
 arView.addSubview(BGAmbient)
 
 let imageName = "Title.png"
 let image = UIImage(named: imageName)
 let imageView = UIImageView(image: image!)
 var locX: CGFloat = 0
 var locY: CGFloat = 0
 var x: CGFloat = 0.7
 var y:CGFloat = 0.4
 x = arView.center.x - arView.center.x * x
 y = arView.center.y - arView.center.y * y
 var w = arView.center.x * CGFloat(2) * 0.7
 var h = arView.center.y * CGFloat(2) * 0.4
 imageView.frame = CGRect(x: x,
 y: y,
 width: w, height: h)

 

I'm running it on an iPad in swift playgrounds right now. However, it always crashes either on arView.addSubView(BGAmbient) or let imageView = UIImageView(image: image!).

But, it doesn't crash when running on Xcode or in step-by-step mode on the iPad.
What is the issue?

ios swift uikit swift-playground

share|improve this question

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If it's crashing here ` let imageView = UIImageView(image: image!).` There is possibility that image you are trying to create in first line is not present.
  
  – Aks
  Mar 22 at 9:50
  

  
  
  
  

add a comment | 

0

I have this code in viewDidAppear

 override func viewDidAppear(_ animated: Bool) 
 BGAmbient.frame = CGRect(x: 0, y: 0, width: arView.center.x*2, height: arView.center.y*2)
 BGAmbient.backgroundColor = UIColor(red: BGred, green: BGgreen, blue: BGblue, alpha: BGalpha)
 arView.addSubview(BGAmbient)
 
 let imageName = "Title.png"
 let image = UIImage(named: imageName)
 let imageView = UIImageView(image: image!)
 var locX: CGFloat = 0
 var locY: CGFloat = 0
 var x: CGFloat = 0.7
 var y:CGFloat = 0.4
 x = arView.center.x - arView.center.x * x
 y = arView.center.y - arView.center.y * y
 var w = arView.center.x * CGFloat(2) * 0.7
 var h = arView.center.y * CGFloat(2) * 0.4
 imageView.frame = CGRect(x: x,
 y: y,
 width: w, height: h)

 

I'm running it on an iPad in swift playgrounds right now. However, it always crashes either on arView.addSubView(BGAmbient) or let imageView = UIImageView(image: image!).

But, it doesn't crash when running on Xcode or in step-by-step mode on the iPad.
What is the issue?

ios swift uikit swift-playground

share|improve this question

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If it's crashing here ` let imageView = UIImageView(image: image!).` There is possibility that image you are trying to create in first line is not present.
  
  – Aks
  Mar 22 at 9:50
  

  
  
  
  

add a comment | 

I have this code in viewDidAppear

 override func viewDidAppear(_ animated: Bool) 
 BGAmbient.frame = CGRect(x: 0, y: 0, width: arView.center.x*2, height: arView.center.y*2)
 BGAmbient.backgroundColor = UIColor(red: BGred, green: BGgreen, blue: BGblue, alpha: BGalpha)
 arView.addSubview(BGAmbient)
 
 let imageName = "Title.png"
 let image = UIImage(named: imageName)
 let imageView = UIImageView(image: image!)
 var locX: CGFloat = 0
 var locY: CGFloat = 0
 var x: CGFloat = 0.7
 var y:CGFloat = 0.4
 x = arView.center.x - arView.center.x * x
 y = arView.center.y - arView.center.y * y
 var w = arView.center.x * CGFloat(2) * 0.7
 var h = arView.center.y * CGFloat(2) * 0.4
 imageView.frame = CGRect(x: x,
 y: y,
 width: w, height: h)

 

I'm running it on an iPad in swift playgrounds right now. However, it always crashes either on arView.addSubView(BGAmbient) or let imageView = UIImageView(image: image!).

But, it doesn't crash when running on Xcode or in step-by-step mode on the iPad.
What is the issue?

ios swift uikit swift-playground

share|improve this question

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

 override func viewDidAppear(_ animated: Bool) 
 BGAmbient.frame = CGRect(x: 0, y: 0, width: arView.center.x*2, height: arView.center.y*2)
 BGAmbient.backgroundColor = UIColor(red: BGred, green: BGgreen, blue: BGblue, alpha: BGalpha)
 arView.addSubview(BGAmbient)
 
 let imageName = "Title.png"
 let image = UIImage(named: imageName)
 let imageView = UIImageView(image: image!)
 var locX: CGFloat = 0
 var locY: CGFloat = 0
 var x: CGFloat = 0.7
 var y:CGFloat = 0.4
 x = arView.center.x - arView.center.x * x
 y = arView.center.y - arView.center.y * y
 var w = arView.center.x * CGFloat(2) * 0.7
 var h = arView.center.y * CGFloat(2) * 0.4
 imageView.frame = CGRect(x: x,
 y: y,
 width: w, height: h)

 

 override func viewDidAppear(_ animated: Bool) 
 BGAmbient.frame = CGRect(x: 0, y: 0, width: arView.center.x*2, height: arView.center.y*2)
 BGAmbient.backgroundColor = UIColor(red: BGred, green: BGgreen, blue: BGblue, alpha: BGalpha)
 arView.addSubview(BGAmbient)
 
 let imageName = "Title.png"
 let image = UIImage(named: imageName)
 let imageView = UIImageView(image: image!)
 var locX: CGFloat = 0
 var locY: CGFloat = 0
 var x: CGFloat = 0.7
 var y:CGFloat = 0.4
 x = arView.center.x - arView.center.x * x
 y = arView.center.y - arView.center.y * y
 var w = arView.center.x * CGFloat(2) * 0.7
 var h = arView.center.y * CGFloat(2) * 0.4
 imageView.frame = CGRect(x: x,
 y: y,
 width: w, height: h)

 

 override func viewDidAppear(_ animated: Bool) 
 BGAmbient.frame = CGRect(x: 0, y: 0, width: arView.center.x*2, height: arView.center.y*2)
 BGAmbient.backgroundColor = UIColor(red: BGred, green: BGgreen, blue: BGblue, alpha: BGalpha)
 arView.addSubview(BGAmbient)
 
 let imageName = "Title.png"
 let image = UIImage(named: imageName)
 let imageView = UIImageView(image: image!)
 var locX: CGFloat = 0
 var locY: CGFloat = 0
 var x: CGFloat = 0.7
 var y:CGFloat = 0.4
 x = arView.center.x - arView.center.x * x
 y = arView.center.y - arView.center.y * y
 var w = arView.center.x * CGFloat(2) * 0.7
 var h = arView.center.y * CGFloat(2) * 0.4
 imageView.frame = CGRect(x: x,
 y: y,
 width: w, height: h)

 

share|improve this question

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

share|improve this question

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

asked Mar 22 at 4:41

Pirlo LochisomoPirlo Lochisomo

7510

1 Answer
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0

Works fine if I put code in Sources folder. Seems like it's a Swift Playgrounds bug.

share|improve this answer

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510

add a comment | 

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0

Works fine if I put code in Sources folder. Seems like it's a Swift Playgrounds bug.

share|improve this answer

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510

add a comment | 

0

Works fine if I put code in Sources folder. Seems like it's a Swift Playgrounds bug.

share|improve this answer

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510

add a comment | 

Works fine if I put code in Sources folder. Seems like it's a Swift Playgrounds bug.

share|improve this answer

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510

share|improve this answer

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510

answered Mar 22 at 11:40

Pirlo LochisomoPirlo Lochisomo

7510