If a component is not used in a list class, it is not being used as an item renderer which makes a huge difference as a list class recycles renderers when scrolling and a container doesn't. If it is image loading that is causing the blinking, double-buffering is a valid answer.
________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of DreamCode Sent: Tuesday, November 27, 2007 3:02 PM To: [email protected] Subject: Re: [flexcoders] How can I avoid jumping / flickering when changing the dataprovider in a list box? I think where the item renderer is placed should be of little importance. but it is a custom list component without scroll bars but with scrolling allowed and keyboard events should not make it move/focus either, but keyboard navigation is required..... a little messy, but those were the requirements ..... I realized when working on a non-item renderer component that it had the same flickering/blinking when changing the source of the image. What I have done to combat the problem is to have 2 images in my item renderer plus a flag that tells which image should be upgraded next. In essence a similar technique as one would use to hide the raster line on real-time graphics systems. Update one screen while showing the other .... and vice versa! --Allan On Nov 27, 2007 9:26 AM, Alex Harui <[EMAIL PROTECTED] <mailto:aharui%40adobe.com> > wrote: > > > > > We would need to see a test case. Flickering has many meanings. > itemRenderers go in lists, not on canvases so I'm not sure what your > scenario is. > ________________________________ > From: [email protected] <mailto:flexcoders%40yahoogroups.com> [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com> ] On > Behalf Of DreamCode > Sent: Tuesday, November 27, 2007 6:35 AM > To: [email protected] <mailto:flexcoders%40yahoogroups.com> > Subject: Re: [flexcoders] How can I avoid jumping / flickering when changing > the dataprovider in a list box? > > > > > > I have the same issue, only in my case there are no default renderers, > just me putting X item renderers on a canvas. Ideas? suggestions? > > --Allan > > On Nov 27, 2007 12:55 AM, Alex Harui <[EMAIL PROTECTED] <mailto:aharui%40adobe.com> > wrote: > > > > > > > > > > are you using custom renderers? If so, do you see flickering with default > > renderers? > > ________________________________ > > From: [email protected] <mailto:flexcoders%40yahoogroups.com> [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com> ] On > > Behalf Of Anzer > > Sent: Monday, November 26, 2007 10:06 PM > > To: [email protected] <mailto:flexcoders%40yahoogroups.com> > > Subject: [flexcoders] How can I avoid jumping / flickering when changing > the > > dataprovider in a list box? > > > > > > > > > > > > > > Hi, > > > > I am programmatically changing the values in an array collection which is > > the data provider of a list box. > > > > When I change the values the list box is flickering, how can I avoid it? > > > > > > > > My intention is to show an interface like windows explorer. I want to do > in > > place re naming and deleting in the list. > > > > Its working correctly but I want to remove the jumping of the list box > items > > after the edit. > > > > > > > > Thanks > > Anz > > > > http://www.flickrmailer.com <http://www.flickrmailer.com> > > > > > > > > > > > > > > > > > > > >
