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iOS Build a Weather App with Swift (Retired) Concurrency Using Our JSON Data

Fred Sites
Fred Sites
11,151 Points
Posted by Fred Sites
Fred Sites
11,151 Points

'NSNumber' Is not a subtype of 'NSData' error on Xcode6.1...

I've gone through all other questions and made necessary changes for the project to work in 6.1 but can't seem to figure out this error. I keep getting 'NS number is not a subtype of 'NSData'

let weatherDictionary: NSDictionary = NSJSONSerialization.JSONObjectWithData(!dataObject, options: nil, error: nil) as NSDictionary

2 Answers

Stone Preston
Stone Preston
42,016 Points
Stone Preston
Stone Preston
42,016 Points

you have your ! at the front of the data object, put it behind. when using an explicitly unwrapped optional you put the ! after the variable name:

let weatherDictionary: NSDictionary = NSJSONSerialization.JSONObjectWithData(dataObject!, options: nil, error: nil) as NSDictionary

what you currently are using is a boolean not operator which evaluates to either true or false.