Re: UITable Views and display lags
Re: UITable Views and display lags
- Subject: Re: UITable Views and display lags
- From: Michael Davey <email@hidden>
- Date: Fri, 19 Mar 2010 17:40:13 +0000
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_______________________________________________
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