Returns an NSBundle object initialized to correspond to the specified file URL.
The file URL to a directory. This must be a full URL for a directory; if it contains any symbolic links, they must be resolvable.
An NSBundle object initialized to correspond to url. This method initializes and returns a new instance only if there is no existing bundle associated with url, otherwise it deallocates self and returns the existing object. If url doesn’t exist or the user doesn’t have access to it, returns nil.
It’s not necessary to allocate and initialize an instance for the main bundle; use the mainBundle class method to get this instance. You can also use the bundleWithURL: class method to obtain a bundle identified by its file URL.