Well, that experiment failed as well. 14 hours later, the same objects are still listed in the dictionary. Wed Jul 26 17:07:23 GMT-0400 2006 Testing56:Testing56 Testing19:Testing19 Testing38:Testing38 Thu Jul 27 08:50:31 GMT-0400 2006 Testing56:Testing56 Testing19:Testing19 Testing38:Testing38
Am I misunderstanding the usage of Weak References in the Dictionary? Does anyone have any idea how this can be used to keep track of what objects exist and which dont? --- In [email protected], "jeff tapper" <[EMAIL PROTECTED]> wrote: > > Ok, heres a sketch of what im trying now. > App.mxml > ==== > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > layout="vertical" creationComplete="initApp()"> > <mx:Script> > <![CDATA[ > import mx.managers.PopUpManager; > import mx.managers.PopUpManagerChildList; > import mx.core.IFlexDisplayObject; > private var screenDict:Dictionary; > private var scr1:IFlexDisplayObject; > private function initApp():void{ > screenDict = new Dictionary(true); > } > public function createScreen > (parent:DisplayObjectContainer, > screen:Class,modal:Boolean=false):IFlexDisplayObject{ > var s:IFlexDisplayObject = > PopUpManager.createPopUp(parent, screen, > modal,PopUpManagerChildList.APPLICATION); > screenDict[s] = s.name > return s; > } > public function showObjects():void{ > trace(new Date()); > for (var i:* in screenDict){ > trace(i+":"+screenDict[i]); > } > } > public function removeScreen > (screen:IFlexDisplayObject):void{ > PopUpManager.removePopUp(screen); > } > private function makeScreen():void{ > if(scr1 == null){ > scr1 = createScreen > (this,Testing,false); > } > } > private function destroyScreen():void{ > removeScreen(scr1); > scr1 = null; > } > > ]]> > </mx:Script> > <mx:Button click="makeScreen()" label="make"/> > <mx:Button click="destroyScreen()" label="kill"/> > <mx:Button click="showObjects()" label="show"/> > </mx:Application> > > Testing.mxml > ===== > <?xml version="1.0" encoding="utf-8"?> > <mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml"; width="400" > height="300"> > <mx:Button click="this.dispatchEvent(new Event('foo'))"/> > </mx:Panel> > > Now, as i run this, if i click make, kill, make, kill, show, The > trace shows: > Wed Jul 26 17:07:14 GMT-0400 2006 > Testing58:Testing58 > Testing20:Testing20 > Testing39:Testing39 > > Implying that the screens arent really being destroyed. Perhaps I > didnt wait long enough, so 5 minutes later, I tried the same thing, > with the same results. Maybe 5 minutes isnt long enough, so I'll > leave it running over night and try again in the morning. But, the > fundemental question is, have i done enough to remove the screens? > Should the garbage collector clean the unused ones up, or have i > somehow left a reference lingering? > > We have a very complex app, which I want to ensure we clean up all > unused objects, but im having trouble finding a way to verify they > are removed. > -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
