How do I convert apns data to string in Swift 3?

Question

 let tokenChars = UnsafePointer<CChar>(deviceToken.bytes)
    var tokenString = ""

    for i in 0..<deviceToken.length {
        tokenString += String(format: "%02.2hhx", arguments: [tokenChars[i]])
    }

    DDLogDebug("Device Token: \(tokenString)")

^ This no longer works. Mostly because there is no deviceToken.bytes anymore.

I tried to figure out how to use .withUnsafeBytes, but am failing.

Any help would be fantastic, I just need the string version of the device token, thanks!

Swift 3 solutions here: http://stackoverflow.com/questions/7520615/how-to-convert-an-nsdata-into-an-nsstring-hex-string/38131414#38131414. — Martin R, Sep 30 '16 at 19:46

score 2 · Answer 1 · answered Sep 30 '16 at 19:45

2

There is a one-line solution, deviceToken is Data

let tokenString = deviceToken.map{ String(format: "%02x", $0) }.joined()

answered Sep 30 '16 at 19:45

vadian

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You are a god among men @vadian :D When the time is up, I'll mark this as the best answer – JP. Sep 30 '16 at 19:47
1

There is nothing devine. I just read Swift Language Guide, Migration Guide and other documentation ;-) – vadian Sep 30 '16 at 19:51

How do I convert apns data to string in Swift 3?

1 Answers1