NSNumber convert to double issue - Swift

Question

I have an array in obj-c with this data and latitude and longitude is a NSNumber

[<RequestAddress> 
 [latitude]: 38.63180843974196
 [longitude]: 33.12896232001408
 [addressText]: address Name
 [isStartedPoint]: 1
</RequestAddress>]

and I am trying to print the two values and I'm getting it like this

if let value = parentNewCarRequestVC.request.address{

    print(value) // value = (
"<RequestAddress> \n   [latitude]: 39.6954240771316\n   [longitude]: 33.10735601860666\n   [addressText]: address Name\n   [isStartedPoint]: 1\n</RequestAddress>"
)

    let number = Double(value[0].latitude)
    print("Result:\(number)") //Result: 6.94109152851164e-310
}

while it should be 38.6318

So please where would be my issue?

What is the value shown for `value[0].latitude`? Did you check this in Playground? — R P, Dec 02 '15 at 22:49
I have updated my answer which show the content of value. No I didn't check in the playground @RP — Luai Kalkatawi, Dec 02 '15 at 22:55
The example array makes no sense and would probably need to be a dictionary, not an array, Research the syntax for defining dictionaries and arrays. — zaph, Dec 03 '15 at 00:06

score 1 · Answer 1 · answered Dec 02 '15 at 22:59

1

If the latitude and longitude are NSNumbers, use the doubleValue property:

let number = value[0].latitude.doubleValue
print("Result:\(number)")

answered Dec 02 '15 at 22:59

Mr Beardsley

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When I write it like that I get this error message `Ambiguous reference to member latitude` – Luai Kalkatawi Dec 02 '15 at 23:01
You will need to explain your data structure better. What is RequestAddress? Is it an Object or a Dictionary? – Mr Beardsley Dec 02 '15 at 23:05
Is value an array or a single RequestAddress object? – Mr Beardsley Dec 02 '15 at 23:11
It is unnecessary to convert the `NSNumber` to a `double`, the print statement will use the `description` method. – zaph Dec 03 '15 at 00:01
@MrBeardsley it is a RequestAddress object – Luai Kalkatawi Dec 03 '15 at 06:51

NSNumber convert to double issue - Swift

1 Answers1