Re: Question in regards to iTunes XML
Re: Question in regards to iTunes XML
- Subject: Re: Question in regards to iTunes XML
- From: "Hank Heijink (Mailinglists)" <email@hidden>
- Date: Wed, 22 Sep 2010 14:45:58 -0400
On Sep 22, 2010, at 2:38 PM, Eric E. Dolecki wrote:
> I've been asked to take the iTunes XML file from a few people and provide a
> picker to choose which one to use. That's the easy part. So I have a few of
> the XML files and slapped them on a server, etc. however each one averages
> about 5MB in size. I am not linking to actual media obviously, but I'd have
> to think 5MB XML files are pretty big to be loading and parsing on an
> iPhone.
If your users don't have unlimited data plans, they might want to think twice about allowing that download over WWAN, but 5MB is not undoable. It doesn't take hours to download.
> Should I let this person know that this just isn't feasible on an iPhone? If
> it's doable, should I use something other than NSXMLParser?
Absolutely. NSXMLParser uses about twice the memory and time of libxml on small files, and doesn't allow you to parse the data in chunks: you'd have to download the entire 5MB before you can start parsing. Look at XMLPerformance sample code to get started with libxml's push parser.
Good luck,
Hank
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