How to generate UUID in ios

Question

How to get a UUID in objective c, like in Java UUID is used to generate unique random numbers which represents 128 bit value.

Answer 1

For Swift 5.0, Use this,

    let uuidRef = CFUUIDCreate(nil)
    let uuidStringRef = CFUUIDCreateString(nil, uuidRef)
    let uuid = uuidStringRef as String? ?? ""