{"id":794,"date":"2009-02-11T09:00:10","date_gmt":"2009-02-11T08:00:10","guid":{"rendered":"http:\/\/www.matthijskamstra.nl\/blog\/?p=794"},"modified":"2009-01-22T17:31:29","modified_gmt":"2009-01-22T16:31:29","slug":"document-class-in-as3","status":"publish","type":"post","link":"https:\/\/www.matthijskamstra.nl\/blog\/2009\/02\/11\/document-class-in-as3\/","title":{"rendered":"Document Class in AS3"},"content":{"rendered":"

A while back a read this post about the AS3 Pills #1 – Document class<\/a> and it reminded me to write something about the “Document Class”. The title of this post is a little misleading: there is no “Document Class” in Actionscript 2 but this is probably the way you are searching for this problem.<\/p>\n

A good explanation can be found on kirupa.com<\/a> which has a ton of examples, explanations and tutorials!<\/p>\n

But this is what it comes down to:<\/p>\n

    \n
  1. create a folder with the name “Matthijs tutorials” (or use your own name, it’s not important)<\/li>\n
  2. create in the folder “Matthijs tutorials”, another folder “source”<\/li>\n
  3. save a flash file in the “source” folder: “documentClassTest.fla”<\/li>\n
  4. now we start making packages<\/code>: create a folder “nl”<\/li>\n
  5. and save in folder “nl” a folder “matthijskamstra “<\/li>\n<\/ol>\n
    \"Folder<\/a>
    Folder structure (FlashDevelop)<\/figcaption><\/figure>\n

    Goto Adobe Flash, and create a AS3 Flash file and save it in the source<\/code> folder.<\/p>\n

    Fill in the document Class: nl.matthijskamstra.Main<\/code>
    \n(Flash will complain somewhat, you can ignore it for now…)<\/em><\/p>\n

    \"Document<\/a>
    Document Class<\/figcaption><\/figure>\n

    Create a new class in the folder matthijskamstra<\/code>, default (at least the default Flashdevelop<\/a> class) it will look something like this.
    \n[as]
    \npackage nl.matthijskamstra {<\/p>\n

    \t\/**
    \n\t * @author Matthijs Kamstra aka [mck]
    \n\t *\/
    \n\tpublic class Main {<\/p>\n

    \t\tpublic function Main () {<\/p>\n

    \t\t}<\/p>\n

    \t} \/\/ end class<\/p>\n

    } \/\/ end package
    \n[\/as]<\/p>\n

    If you would compile the .FLA now you will get an error (Compiler Errors):<\/p>\n

    Location: Main.as, Line 1
    \nDescription: 5000: The class ‘nl.matthijskamstra.Main’ must subclass ‘flash.display.MovieClip’ since it is linked to a library symbol of that type.<\/p><\/blockquote>\n

    (if you compile using flex you will get this error)
    \n<\/em><\/p>\n

    Error #2023: Class Main$ must inherit from Sprite to link to the root.<\/p><\/blockquote>\n

    The first time I got this error I couldn’t understand it, luckily I do now and the answer isn’t that difficult, but if you don’t know… \ud83d\ude41<\/p>\n