If you're interested take a try on Uriana ( https://www.assembla.com/spaces/uriana/wiki) as it makes unnecessary the use of creationComplete and this problem might not happen to you.
Cheers, Carlos. 2013/7/9 Mark Line <[email protected]> > Hi Philip, > > > > I've cc the users as it may help someone else. > > > > To fix your problem it's pretty simple. I've just added an event listener > on > the complete event which the spark Image control has. > > > > The event is dispatched once the Image control has loaded its source. > > > > The full class is below: > > > > <?xml version="1.0" encoding="utf-8"?> > > <s:View xmlns:fx="http://ns.adobe.com/mxml/2009"; > > xmlns:s="library://ns.adobe.com/flex/spark" title="VIEW1" > > creationComplete="view1_creationCompleteHandler(event)"> > > > > <fx:Script> > > <![CDATA[ > > > > import mx.events.FlexEvent; > > > > protected function > view1_creationCompleteHandler(event:FlexEvent):void > > { > > //trace("Image Width = " + > myImage1.bitmapData.width); > > } > > > > private function > myImage1_completeHandler(event:Event):void > > { > > trace("Image Width = " + > myImage1.bitmapData.width); > > } > > > > ]]> > > </fx:Script> > > > > <s:Image id="myImage1" source="images/image1.jpg" > complete="myImage1_completeHandler(event)" /> > > > > </s:View> > > > > As to why you were seeing the problem in the first place. You were > listening > for the creation complete function the view. The view will dispatch the > event once all of its children have been created. (By children I mean > components you have added to the view in mxml in this case) > > > > An spark Image control was created (if you look in the debugger you can > see) > but it hadn't loaded its content. This is why the bitmapData was null. > > > > Hope that helps explain > > > > Mark > > > > From: Philip Medlam [mailto:[email protected]] > Sent: 09 July 2013 11:15 > To: [email protected] > Subject: Image properties problem when view is not a firstView in Flex > > > > Hi Mark, > > > > I have attached an fxp file (160k) to highlight the problem. > > > > With the initial configuration, when I click the "View1" button, the image > in view1, does not appear to have properties in the creation complete > handler? > > > > If I change the Main program, so the firstView is View1 (rather than Main), > then all OK? > > > > In my actual program, I want to go to a main program and then select the > view I wish to go to. > > When I go to the view (view1 in this test example), I want to get the > image > properties and scale the image appropriately. > > > > I don't understand why the properties "exist" if I go to the view as the > firstView, but not if I call the view from another component? > > > > TIA for your help. > > > > I haven't sent this to the group, as I am not sure that attachments are > allowed. > > > > Phil. > > > > > > > -- > Philip Medlam > >
