Flex attempted to abstract away Flash. systemManager replaces root (and stage in most cases), for example. So some Flash-oriented things may not run in Flex without some tweaking if they rely on low-level Flash APIs and the Flash lifecycle.
HTH, -Alex On 8/17/16, 8:26 AM, "CodeGirl" <[email protected]> wrote: >So I am learning about 3D in Flex and ActionScript > >http://help.adobe.com/en_US/ActionScript/3.0_ProgrammingAS3/WSF24A5A75-38D >6-4a44-BDC6-927A2B123E90.html > >I wanted to see the example given in this .... article. > >http://help.adobe.com/en_US/ActionScript/3.0_ProgrammingAS3/WSCE716DAD-936 >4-464f-AFE9-8E578525AD54.html > >I added the AS class to a Flash Project in Flashbuider >I then created a Panel to put this in. After some research, I discovered >I >needed a SprintVisualElement to display the ProjectionDragger. > ><?xml version="1.0" encoding="utf-8"?> ><s:Panel xmlns:fx="http://ns.adobe.com/mxml/2009"; > xmlns:s="library://ns.adobe.com/flex/spark" > xmlns:mx="library://ns.adobe.com/flex/mx" > creationComplete="panel1_creationCompleteHandler(event)" > width="400" height="400"> > <fx:Script> > > </fx:Script> > > <fx:Declarations> > > </fx:Declarations> > > <s:SpriteVisualElement id="con"/> > ></s:Panel> > >However, when I ran it, I got a null error, I debugged and discovered root >is null. >Now, I have no idea what root is at this point and wondered if I was >missing >something in my Panel to run it >But after a different demo of Sprite objects, which didnt have root at >all, >I commented out the root assigning the point in the Create Center >function. >I then re ran the app and it worked. Though I am guessing the app was >just >not centered. So, with that said, what is the root? Why was it null? >What >should I have done in the mxml file or in the AS file so that root would >not >have been null? I am new to this stuff. Please be patient and verbose. > > > > > > >-- >View this message in context: >http://apache-flex-users.2333346.n4.nabble.com/3D-and-root-tp13331.html >Sent from the Apache Flex Users mailing list archive at Nabble.com.
