using BitmapImage changes nothing.. how is there no examples of a list containing images? anyone?
Thank You Dan Vega [email protected] http://www.danvega.org/ On Wed, Mar 31, 2010 at 6:20 AM, Carlos Rovira <[email protected]>wrote: > > > Yesterday I was using a itemRenderer based on mx:Image and must to change > to runtime BitmapImage like this one: > > http://polygeek.com/2452_flex_extending-spark-bitmapimage > > so I recomend you to go that way > > > > 2010/3/31 Alex Harui <[email protected]> > > >> >> If you search the archives, you’ll see that image-based renderers cause >> lots of problems. >> >> >> >> On 3/30/10 6:02 PM, "Dan Vega" <[email protected]> wrote: >> >> >> >> >> >> >> Really? Nobody has ever built a dynamic list of images before ? >> >> Thank You >> Dan Vega >> [email protected] >> http://www.danvega.org/ >> >> >> On Tue, Mar 30, 2010 at 2:01 PM, Alex Harui <[email protected]> wrote: >> >> >> >> >> >> >> I think list does a bit more thinking. I think it computes a typicalItem >> and uses that as the default size. One of the issues with Image-based >> renderers is that they have no size until the image loads. If you know the >> size upfront, set that on the renderer. >> >> >> >> >> On 3/30/10 6:29 AM, "Dan Vega" <[email protected] < >> http://[email protected]> > wrote: >> >> >> >> >> >> >> Take the following example. On the left you have a list that loads data >> from another file. The data is a basically a set of typed objects that have >> a src attribute that points to an image. Don't worry to much about that, >> just know that we are getting a list of images. The list on the left shows >> an initial list with some scrollbars and about 5 images. The list looks like >> it can only scroll 1 or 2 more images but in fact there are about 20 images. >> As you start scrolling the list figures out that there are more and adjusts >> the scroll bars. It keeps doing this until we reach the last images and >> finally the scroll bars work as expected. >> >> What I don't understand is the data group next to it works exactly how I >> expect the list to work. I thought the list was basically using the data >> group in the end anyways? What am I missing / doing wrong? If you need the >> full example I can email it to you, just ping me. >> >> <?xml version="1.0" encoding="utf-8"?> >> <s:Application >> xmlns:fx="http://ns.adobe.com/mxml/2009"; >> xmlns:s="library://ns.adobe.com/flex/spark < >> http://ns.adobe.com/flex/spark> <http://ns.adobe.com/flex/spark> " >> xmlns:mx="library://ns.adobe.com/flex/mx <http://ns.adobe.com/flex/mx> < >> http://ns.adobe.com/flex/mx> " >> >> >> initialize="GalleryService.loadData()" > >> <s:layout> >> <s:HorizontalLayout paddingTop="20" paddingRight="20" paddingBottom="20" >> paddingLeft="20"/> >> </s:layout> >> <s:List >> height="100%" >> dataProvider="{GalleryService.results}" >> itemRenderer="GalleryImageRenderer" >> dragEnabled="true" >> > >> <s:layout> >> <s:VerticalLayout horizontalAlign="justify"/> >> </s:layout> >> </s:List> >> <s:Scroller height="100%"> >> <s:DataGroup dataProvider="{GalleryService.results}" >> itemRenderer="GalleryImageRenderer"> >> <s:layout> >> <s:VerticalLayout horizontalAlign="justify"/> >> </s:layout> >> </s:DataGroup> >> </s:Scroller> >> --> >> </s:Application> >> >> >> Thank You >> Dan Vega >> [email protected] <http://[email protected]> >> http://www.danvega.org/ >> >> >> >> >> >> -- >> Alex Harui >> Flex SDK Team >> Adobe System, Inc. >> http://blogs.adobe.com/aharui >> > > >
