// Workaround for iOS7.1. Thanks to @boliva - http://stackoverflow.com/posts/comments/34452906
  for(UIView *subview in [navigationBar subviews]) {
   if(0. < subview.alpha && subview.alpha < 1.) {
    [UIView animateWithDuration:.25 animations:^{
     subview.alpha = 1.;
    }];
   }
  }

PHImageManager.default()
            .requestImageData(for: self,
                              options: options,
                              resultHandler:                
                { (imageData, rawMimeString, _, info) in
                    
                    if let imgData = imageData,
                        let img = UIImage.init(data: imgData)
                    {
                        photo.data = img.jpegData(compressionQuality: 0.8)
                    }
                    
                    if let fileName = (info?["PHImageFileURLKey"] as? NSURL)?.lastPathComponent {
                        photo.name = fileName
                    }
                    
                    if let mimeString = rawMimeString,
                        let mime = UTTypeCopyPreferredTagWithClass(mimeString as CFString, kUTTagClassMIMEType)?.takeRetainedValue() {
                        let strMime = String(mime).lowercased()
                        if strMime.range(of: "heic") == nil  {
                            photo.mime = String(mime)
                        } else {
                            photo.mime = "image/jpeg"
                        }
                    }
                    
                    if let name = photo.name {
                        let lowercasedName = name.lowercased()
                        if lowercasedName.range(of: ".heic") != nil,
                            let index = lowercasedName.range(of: ".heic")?.lowerBound {
                            let nameNoExt = String(lowercasedName[..<index])//.substring(to: index)
                            photo.name = nameNoExt + ".jpeg"
                        }
                    }
            })

requestImageData

requestImageDataAndOrientation

([AnyHashable : Any]?) $R2 = 5 key/value pairs {
  [0] = {
    key = {
      _box = {
        payload_data_0 = 0xc000000000000012 {
          Foundation.NSValue = {
            ObjectiveC.NSObject = {}
          }
        }
        payload_data_1 = 0x40007fff8122ac88
        payload_data_2 = 0x00007fff8122ad68 "PHImageResultRequestIDKey"
        instance_type = 0x000000010ae99940
        witness_table__AnyHashableBox = 0x000000010ae5d258 libswiftCore.dylib`protocol witness table for Swift._ConcreteHashableBox<A> : Swift._AnyHashableBox in Swift
      }
    }
    value = {
      payload_data_0 = 0x0000600002917860 {
        ObjectiveC.NSObject = {}
      }
      payload_data_1 = 0x00007fff80b708f0 "public.jpeg"
      payload_data_2 = 0xcb19ec82fdbb9582 {
        Foundation.NSValue = {
          ObjectiveC.NSObject = {}
        }
      }
      instance_type = 0x000000010ae8e540
    }
  }
  [1] = {
    key = {
      _box = {
        payload_data_0 = 0xc000000000000011 {
          Foundation.NSValue = {
            ObjectiveC.NSObject = {}
          }
        }
        payload_data_1 = 0x40007fff8122aca8
        payload_data_2 = 0x0000000100000001
        instance_type = 0x000000010ae99940
        witness_table__AnyHashableBox = 0x000000010ae5d258 libswiftCore.dylib`protocol witness table for Swift._ConcreteHashableBox<A> : Swift._AnyHashableBox in Swift
      }
    }
    value = {
      payload_data_0 = 0x00007fff80b708f0 "public.jpeg"
      payload_data_1 = 0x0000000000000000
      payload_data_2 = 0x0000000000000000
      instance_type = 0x000000010ae911b0
    }
  }
  [2] = {
    key = {
      _box = {
        payload_data_0 = 0xc00000000000001a {
          Foundation.NSValue = {
            ObjectiveC.NSObject = {}
          }
        }
        payload_data_1 = 0x40007fff8122ac68
        payload_data_2 = 0x0000000000000000
        instance_type = 0x000000010ae99940
        witness_table__AnyHashableBox = 0x000000010ae5d258 libswiftCore.dylib`protocol witness table for Swift._ConcreteHashableBox<A> : Swift._AnyHashableBox in Swift
      }
    }
    value = {
      payload_data_0 = 0x00007fff805f6ce0 {
        Foundation.NSValue = {
          ObjectiveC.NSObject = {}
        }
      }
      payload_data_1 = 0x0000000000000000
      payload_data_2 = 0x0000000000000000
      instance_type = 0x000000010ae911d8
    }
  }
  [3] = {
    key = {
      _box = {
        payload_data_0 = 0xc000000000000019 {
          Foundation.NSValue = {
            ObjectiveC.NSObject = {}
          }
        }
        payload_data_1 = 0x40007fff8122acc8
        payload_data_2 = 0x0000000100000001
        instance_type = 0x000000010ae99940
        witness_table__AnyHashableBox = 0x000000010ae5d258 libswiftCore.dylib`protocol witness table for Swift._ConcreteHashableBox<A> : Swift._AnyHashableBox in Swift
      }
    }
    value = {
      payload_data_0 = 0xcb19ec82fdbb9573 {
        Foundation.NSValue = {
          ObjectiveC.NSObject = {}
        }
      }
      payload_data_1 = 0x0000000000000000
      payload_data_2 = 0x0000000000000000
      instance_type = 0x000000010ae91228
    }
  }
  [4] = {
    key = {
      _box = {
        payload_data_0 = 0xc000000000000019 {...}
        payload_data_1 = 0x40007fff8122ad68
        payload_data_2 = 0x0000000100000001
        instance_type = 0x000000010ae99940
        witness_table__AnyHashableBox = 0x000000010ae5d258 libswiftCore.dylib`protocol witness table for Swift._ConcreteHashableBox<A> : Swift._AnyHashableBox in Swift
      }
    }
    value = {
      payload_data_0 = 0xcb19ec82fdbb9582 {...}
      payload_data_1 = 0x0000000000000000
      payload_data_2 = 0x0000000000000000
      instance_type = 0x000000010ae91228
    }
  }
}