Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
How do we get unique IDs in Objective C. I want to create a unique ID for my session & then generate a ID each time a server call happens. Each time this ID should be unique.
I tried using CFUUID class which gives us a huge unique ID (4FE9D00C-531E-45E8-B10E-11968ACC36E9). I want a unique ID of smaller size.
Any clue?
A guid (by shear combinations) generates a unique id. If it’s less characters you want then one option is to base64encode the guid. That allows for 64 possibilities per char instead of 16 (0-9, A-F)
This:
Becomes:
For example: (C# though) http://www.singular.co.nz/blog/archive/2007/12/20/shortguid-a-shorter-and-url-friendly-guid-in-c-sharp.aspx
Here’s a SO post on objective-c encode/decode (look @ Mike Ho post):
How do I do base64 encoding on iphone-sdk?