How do I read and write XML in Cocoa Touch?

Question

I want to create a file using Objective-C, which stores the data comes from XML. I also have to do basic functions of read and write into that file. How can I do this?

Answer 1

You can parse a custom schema using the NSXMLParser class. This is especially useful since the NSXMLDocument class unfortunately does not exist on the iPhone. Thankfully, NSXMLParser is pretty easy to use. I've written an RSS feed parser using NSXMLParser in under half an hour.