Where to put network intensive code

[axiixc]

So I have an app that pulls in an RSS feed and parses it. It then displays this in the second tab of a UITabView controller. Trouble is, it takes about ~5-20 secs to pull the RSS and when I've put the code in viewDidLoad, viewDidAppear, and awakeFromNib it has either waited to pull the RSS while the app launched, or before the new view would appear in the tab bar.

What I would like to happen is have the app launch and it start pulling the RSS but not at the expense of startup time, or at least have it start when the tab is selected (but again, the view needs to appear, it can't lock up while it pulls the rss). Is there some method I should be placing it in besides these, or some other way. Thank you!

[msencenb]

Well I suppose you could look into NSThread...

Do you know much about threads? It wouldn't be too hard to implement if you are only using one extra thread to pull the RSS with no shared data... but be careful when you are accessing data between the main thread and the new thread... could run into race conditions, deadlocks, etc.

If you don't want to deal with threads... you could just have a UIActivityIndicator display while the RSS downloads data to indicate to the user that the app is doing something and didn't just lock up on them.

Hope this helps!

[axiixc]

Originally Posted by msencenb

Well I suppose you could look into NSThread...

Do you know much about threads? It wouldn't be too hard to implement if you are only using one extra thread to pull the RSS with no shared data... but be careful when you are accessing data between the main thread and the new thread... could run into race conditions, deadlocks, etc.

If you don't want to deal with threads... you could just have a UIActivityIndicator display while the RSS downloads data to indicate to the user that the app is doing something and didn't just lock up on them.

Hope this helps!

Using NSThread at the moment, seems to be working. Thanks.

[ZunePod]

Are you testing this on device?

[axiixc]

Originally Posted by ZunePod

Are you testing this on device?

Yes, iPod Touch 2nd Gen