OK, so I have changed the code to show a placeholder image, but I am a little 
uncertain as to how to fetch the images asynchronously.  I could start a 
background thread with performSelectorInBackground, but am concerned that this 
would spawn far too many threads - does anyone have any suggestions?


On 19 Mar 2010, at 17:20, Luke the Hiesterman wrote:

> You should display a place-holder image in  the tableView cells so that your 
> app doesn't hang. You can then fetch the images asynchronously and replace 
> the placeholder images with the real images as they become available. You 
> should not do anything to interrupt smooth scrolling.
> 
> Luke
> 
> On Mar 19, 2010, at 10:18 AM, Michael Davey wrote:
> 
>> Another question...
>> 
>> In my application, I have several connected UITable views, and on the last 
>> level, I am displaying images that may or may not already be cached, what I 
>> would like to know is whether there is some way I can display some sort of 
>> notification to the user that this is what is happening, rather than my 
>> application "hanging" whilst the images are fetched from the server?
>> 
>> TIA,
>> 
>> Mikey_______________________________________________
>> 
>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
>> 
>> Please do not post admin requests or moderator comments to the list.
>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>> 
>> Help/Unsubscribe/Update your Subscription:
>> http://lists.apple.com/mailman/options/cocoa-dev/luketheh%40apple.com
>> 
>> This email sent to luket...@apple.com
> 

_______________________________________________

Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to