I would need to actually run the code.  Please submit a bug with a
running test case, and send me the bug #.

 

________________________________

From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of ven
Sent: Thursday, December 06, 2007 8:50 AM
To: [email protected]
Subject: Re: [flexcomponents] Re: TileList Memory Issues - not freeing
up renderers

 

This is how I am using the TileList and the related classes. Please help
me with this weird problem

Declaration inside mxml.

      <local:ImageGrid
          id="imageGrid"
          left="10" right="10" top="10" bottom="10"
          backgroundAlpha="0" borderStyle="none"
          dataChangeEffect="{imageMoveEffect}"
          dataProvider="{_dataProvider}"
          itemRenderer="ImageGridRenderer"
          showEffect="{imageGridEffect}"
     />

ImageGrid.mxml

<mx:TileList 
  xmlns:mx="http://www.adobe.com/2006/mxml
<http://www.adobe.com/2006/mxml> " 
  width="400" height="300"
  dragEnabled="true"
  dropEnabled="true"
  dragMoveEnabled="true"
  borderStyle="none"
  borderThickness="0"
  focusThickness="0"
  columnWidth="110"
  rowHeight="120"
/>


ImageGridRenderer.mxml

<mx:VBox 
  xmlns:mx="http://www.adobe.com/2006/mxml
<http://www.adobe.com/2006/mxml> " 
  xmlns:local="*"
  verticalScrollPolicy="off" horizontalScrollPolicy="off"
  vert! icalGap="0"
  paddingBottom="5" paddingLeft="5" paddingRight="5" paddingTop="5"
  verticalAlign="top"
>
  <local:PreviewBox 
    id="preview"
    width="100%" height="100%" 
    infoM="{MyInfo(data)}"
    imageAlign="top"
    filters="{[new DropShadowFilter(4, 45, 0, 1)]}"
    horizontalScrollPolicy="off"
    verticalScrollPolicy="off"
  />
  <mx:Canvas width="100%" horizontalScrollPolicy="off">
    <mx:Label 
      text="{data.name}" 
      textAlign="center" 
      width="100%" 
      selectable="false" 
      toolTip="{data.name}"
      bottom="0" 
    />
  </mx:Canvas>
</mx:VBox>

PreviewBox.as

<?xml version="1.0" encoding="utf-8"?>
<mx:Box 
  xmlns:mx="http://www.adobe.com/2006/mxml
<http://www.adobe.com/2006/mxml> "
  xmlns:local="*"
  borderStyle="none"
  disabledColor="#888888"
  backgroundAlpha="0"
  verticalScrollPolicy="off"
  horizontalScrollPolicy="off"
>

omitted the script tag for simplicity case.
This class either sets the source for the image as a URL or fetches
bitmapdata and attaches it to the image. It sets the image source to a
predefined bitmapasset until it fetches the actual image data

  <mx:Glow 
    id="outEffect" duration="300" 
    alphaFrom="1.0" alphaTo="0.3" 
    blurXFrom="15.0" blurXTo="0" 
    blurYFrom="15.0" blurYTo="0" 
    color="0xFFFFFF"
  />
  <mx:Glow 
    id="overEffect" duration="300" 
    alphaFrom="0.3" alphaTo="1.0" 
    blurXFrom="0" blurXTo="15.0" 
    blurYFrom="0" blurYTo="15.0" 
    color="0xFFFFFF"
  />
  <mx:Fade id="showEffect" target="{previewImage}" duration="300"
alphaFrom="0" alphaTo="1" />
  
  <mx:Canvas width="100%" height="100%" buttonMode="true"
useHandCursor="true">
    <mx:Image 
      id="previewImage" 
      width="100%" height="100%"
      visible="false" 
      maintainAspectRatio="true"
      horizontalAlign="center" 
      verticalCenter="0"! 
      horizontalCenter="0"
      verticalAlign="{imageAlign}"
      showEffect="{showEffect}"
    />
    <mx:Button
      id="previewBtn" 
      width="50" height="50"
      verticalCenter="0" horizontalCenter="0"
      visible="{enablePreview(_title) &amp;&amp; previewImage.visible}"
      includeInLayout="{showExtras}"
      buttonMode="true" useHandCursor="true" 
      upSkin="{InitialPlayButton}"
      overSkin="{InitialPlayButton}"
      downSkin="{InitialPlayButtonOver}"
      disabledSkin="{InitialPla! yButton}"
      click="showPreview(event)"
    />    
    <local:Spinner 
      id="bufferingSpinner"
      horizontalCenter="0" 
      verticalCenter="0"
      visible="false"
      includeInLayout="{showExtras}"
      alpha=".5"
      hide="bufferingSpinner.stop()"
      show="bufferingSpinner.play()"
    />
  </mx:Canvas>
</mx:Box>




----- Original Message ----
From: ben.clinkinbeard <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thursday, 6 December, 2007 7:48:31 AM
Subject: [flexcomponents] Re: TileList Memory Issues - not freeing up
renderers

Just FYI, its going to be hard for anyone to help either of you unless
you post a test case.

Ben

--- In flexcomponents@ yahoogroups. com
<mailto:flexcomponents%40yahoogroups.com> , "florian d'erfurth"
<captain.herisson@ ...> wrote:
>
> I don't have any solution but i want to say that it's also happening
> with List, and not only on scrolling but also on mouse over etc.
> 
> The bug is only more visible with custom item renderers because they
> use more memory, anyway seems that's a serious flex bug.
> 
> --- In flexcomponents@ yahoogroups. com
<mailto:flexcomponents%40yahoogroups.com> , "rueter007" <rueter007@>
wrote:
> >
> > Hello, I hope Alex or Ted or somebody can be help me with this
issue.
> > 
> > I am using a Tilelist component with custom item renderers(image and
> > some text). I knew that the list and grid components reuse the item
> > renderers rather than creating new ones. But the tilelist is
behaving
> > weirdly. Everytime I scroll down through the TileList, it is
creating
> > new renderers and not freeing up the old ones. When I scroll back
up,
> > it is creating new renderers again. The same happens when the
> > dataprovider changes. So, the memory quickly jumps very high even
upon
> > simple scrolling and the application crashes. These renderers are
> > never let go. So if I have 10 items in the tilelist and I scroll up
> > and down a few times, the number of renderers goes to 200 or even
> > more. I get this information from the profiler. 
> > 
> > I do not know what the solution to this problem is. I have searched
> > online and saw a couple of other folks have the same issue with the
> > tilelist but haven't found a solution.
> > 
> > Any help is appreciated.
> > 
> > thanks,
> > venkat
> >
>

 

 

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