Re: Main Thread UI and Detached Thread

FROM : j o a r
DATE : Mon Mar 31 21:47:00 2008

On Mar 31, 2008, at 12:20 PM, Mike wrote:
> I have two methods in the main thread that I call from the worker 
> using performSelector, etc. The method for updating the progress bar 
> for example looks like this:
>
> - (void)setProgressBarValue:(double)value
> {
>     if( progressBar )
>     {
>         [ progressBar setDoubleValue:value ];
>         
>         [ progressBar setNeedsDisplay:YES ];
>         
>         [ progressBar display ];
>     }
> }



Your calls to "-setNeedsDisplay:" and "-display" are basically 
mutually exclusive. You should typically not call "-display" directly.


> This is a pretty simple app and I don't have time to dive into 
> performance tools to discover why a single thread in a 10-page app 
> isn't doing what it's advertised to do.



I don't think you're saving any time by not learning how to use the 
performance tools.


j o a r