Actionscript 3 数据组的Itemrender赢得';t释放内存-flex(AdobeAIR)
我在AdobeAIR应用程序中有一个数据组组件,我在其中使用了自定义itemrenderer,我附加了itemrenderer的源代码以及它的评测 问题: 当我从其他模块返回到当时有此数据组的模块时,它再次为itemrender创建对象,并且itemrender的上一个对象不会被释放 如果你有主意,请建议我Actionscript 3 数据组的Itemrender赢得';t释放内存-flex(AdobeAIR),actionscript-3,apache-flex,memory-leaks,air,desktop-application,Actionscript 3,Apache Flex,Memory Leaks,Air,Desktop Application,我在AdobeAIR应用程序中有一个数据组组件,我在其中使用了自定义itemrenderer,我附加了itemrenderer的源代码以及它的评测 问题: 当我从其他模块返回到当时有此数据组的模块时,它再次为itemrender创建对象,并且itemrender的上一个对象不会被释放 如果你有主意,请建议我 <?xml version="1.0" encoding="utf-8"?> <s:ItemRenderer xmlns:fx="http://ns.adobe.com/m
<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
autoDrawBackground="false"
buttonMode="true"
click="clickHandler(event)"
mouseChildren="false"
rollOut="rollOutHandler(event)"
rollOver="rollOverHandler(event)"
removedFromStage="itemrenderer1_removedFromStageHandler(event)"
creationComplete="itemrenderer1_creationCompleteHandler(event)">
<fx:Script>
<![CDATA[
import coX.XXXXXXXXXXXXXXX.event.ThumbEvent;
import mx.events.FlexEvent;
protected function image_completeHandler(event:Event):void
{
ConsoleUtils.logIt(" ThumbImage.mxml :image_completeHandler - ");
image.removeEventListener(Event.COMPLETE, image_completeHandler);
fadeIn.target=image;
fadeIn.play();
}
protected function clickHandler(event:MouseEvent):void
{
owner.dispatchEvent(new ThumbEvent("itemclick", data, itemIndex));
}
protected function rollOverHandler(event:MouseEvent):void
{
owner.dispatchEvent(new ThumbEvent("itemrollover", data, itemIndex));
}
protected function rollOutHandler(event:MouseEvent):void
{
owner.dispatchEvent(new ThumbEvent("itemrollout", data, itemIndex));
}
protected function itemrenderer1_removedFromStageHandler(event:Event):void
{
this.removeEventListener(Event.REMOVED_FROM_STAGE, itemrenderer1_removedFromStageHandler);
this.removeEventListener(MouseEvent.ROLL_OUT, rollOutHandler);
this.removeEventListener(MouseEvent.ROLL_OVER, rollOverHandler);
this.removeEventListener(MouseEvent.CLICK, clickHandler);
this.removeAllElements();
}
protected function itemrenderer1_creationCompleteHandler(event:FlexEvent):void
{
this.removeEventListener(FlexEvent.CREATION_COMPLETE, itemrenderer1_creationCompleteHandler);
image.source="test.png";
//image.addEventListener(Event.COMPLETE, image_completeHandler);
}
]]>
</fx:Script>
<fx:Declarations>
<s:Fade id="fadeIn"
alphaFrom="0"
alphaTo="1"/>
</fx:Declarations>
<s:BitmapImage id="image"
horizontalAlign="center"
smooth="true"
smoothingQuality="high"
verticalAlign="middle"/>
</s:ItemRenderer>
剖析快照
正如您所看到的,在概要文件中,我有21个孤立对象,它们不会重新设置样式,并且概要文件显示在第12行保存了at,而第12行是创建完成事件,我已将其删除
提前感谢我使用了
数据组
作为父组件,我在数据组
的itemRenderer
属性中定义了上述itemRenderer,在dispose函数中定义了数据组。itemRenderer
在数据组中为空。因此,它将符合GC的条件。我看到现在内存中没有itemRenderer的实例