Updated “Talking to the Live View” to iOS 10 Beta 7

I’ve updated the WWDC 2016 Playground Book sample, Talking to the Live View, to iOS 10 Beta 7. The main changes were:

  • New Swift 3 API for CGAffineTransform
  • Use of Error instead of ErrorProtocol
  • The new syntax for guard let (commas instead of where)
  • New Swift 3 DispatchQueue API
  • .clear is a var, not a method, of UIColor now

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