How to turn CBUUID into string

Question

I can\'t find any official way to get a UUID string back out of a CBUUID. These UUIDs can be 2 or 16 bytes long.

The goal is to store CBUUIDs in a file somewhere as

Answer 1

iOS 7.1 (beta released yesterday, 11/18/13) introduced the following property on CBUUID:

@property(nonatomic, readonly) NSString *UUIDString

The UUID represented as a string. (read-only)

From CBUUID Class Reference.

It's also worth noting that for comparing a UUID string with a CBUUID, this works:

if ([cbuuidInQuestion isEqual:[CBUUID UUIDWithString:@"1234-5678-9012-1234"]]) {
    // isEqual tests for "the same UUID"
    // == tests for "the same CBUUID object"
}