Question

I would like to know what each parameter holds value for the following delegate method.

- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName attributes:(NSDictionary *)attributeDict

Answer 1

didStartElement:namespaceURI:qualifiedName:attributes:

Sent by a parser object to its delegate when it encounters a start tag for a given element.

- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName attributes:(NSDictionary *)attributeDict

Parameters

parser

A parser object.

elementName

A string that is the name of an element (in its start tag).

namespaceURI

If namespace processing is turned on, contains the URI for the current namespace as a string object.

qualifiedName

If namespace processing is turned on, contains the qualified name for the current namespace as a string object..

attributeDict

A dictionary that contains any attributes associated with the element. Keys are the names of attributes, and values are attribute values.

For More Info plz follow the below link:
http://developer.apple.com/library/ios/#documentation/cocoa/reference/NSXMLParserDelegate_Protocol/Reference/Reference.html