Re: [Flashcoders] Error 1120?

2008-01-09 Thread James Booth 

Try :

public class MathUtil {

- James

On Jan 9, 2008, at 10:00 PM, Dwayne Neckles wrote:


thanks so much for help me out
but its not working still here is the updated code..

** inside fla 
import com.bigspaceship.util.math.MathUtil;

var num:Number = MathUtil.getRandom(4,100);
trace(num)
* Class file below

package com.bigspaceship.util.math{
class MathUtil {

static var min_num:Number;
static var max_num:Number;
static var num1:Number;
static var num2:Number;
public static function getRandom(min_num, max_num) {
//return min_num + Math.floor(Math.random() * (max_num  
+ 1 - min_num));

}

public static function getRandomFloat(min_num, max_num) {
//return (min_num + Math.random() * (max_num - min_num));

}
public static function getCenterPoint(num1,num2) {
//return (num1 - num2 )/ 2;
}
}
}




Date: Wed, 9 Jan 2008 18:35:18 -0800
From: [EMAIL PROTECTED]
To: flashcoders@chattyfig.figleaf.com
Subject: Re: [Flashcoders] Error 1120?

You're attempting to access instance vars in a static method.  Make
min_num and max_num static.

Also, you don't need to put a constructor in a static class.

Also, you should follow common practice and put public before static
when declaring functions and variables.


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RE: [Flashcoders] Re: Handle Leaks in Flash, anyone can help?

2007-07-10 Thread James Booth 
Varun,

To make sure that any listener are properly removed and the way I usually
handle EventDispatcher, is to first create a private variable for the
delegate.

private var onStatus_func : Function;

Then in an init function or elsewhere prior to adding the listeners:

onStatus_func = Delegate.create (this, updateStatus);

then, adding the listener:

myClass.addEventListener (onStatus, onStatus_func);

you would then remove it as:

myClass.removeEventListener (onStatus, onStatus_func);

This is one of the few ways that will properly remove the eventListener.  I
tend to keep them in a destroy function to make it easy.

If you are throwing the delegate in as such:

myClass.addEventListener (onStatus, Delegate.create (this, updateStatus));

myClass.removeEventListener (onStatus, Delegate.create (this,
updateStatus));

This will not work. It's how the function is referenced.  I've done simple
tests with components to verify that it doesn't work.

Hope that helps.

- James

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of David Ngo
Sent: Tuesday, July 10, 2007 7:53 AM
To: flashcoders@chattyfig.figleaf.com
Subject: RE: [Flashcoders] Re: Handle Leaks in Flash, anyone can help?

Removing the MovieClips or objects does not remove the listeners to that
object. You would have to explicitly remove the listeners first then remove
your MovieClip/object. Otherwise, the reference to the listener will still
exist, thus not get picked up by garbage collection. This could be another
cause of your leak issue.



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Varun
Soundararajan
Sent: Tuesday, July 10, 2007 2:10 AM
To: flashcoders@chattyfig.figleaf.com
Subject: Re: [Flashcoders] Re: Handle Leaks in Flash, anyone can help?

Hi James,
you are right, I use a lot of EventDispatcher in the code. Most of the
components throw events which are listened by other components in the scene.
I have lot of components, more commonly, Tree, Scrollpanes, list box,etc
etc..

in my XML if I command the object to be deleted, it gets deleted.

If it were a movieclip in a scrollpane.
i do :
scrollpane.content.unloadMovie();
scrollpane.content.removeMovieClip();

and then i unload and remove the scrollpane itself.

if say, the XML commands the object to be created, i would also add
eventHandlers for the object I created.. eg:
object.addActionListener(enter,Delegate.create(this,enterActionHandler));

I dont remember adding a removeActionListener method when the object is
deleted (the deletion command is sent through the XML, which makes the VM to
delete the object)..I will do that ASAP and see how that helps..

This is a good lead.. Are there anything else associated with Action
Listeners/Event Dipatchers that I missed out?

One more thing, New listeners are NOT added to the existing object during 1
minute intervals,
I add listeners only when I create a new object, in other words, if the
server through the XML commands the client to create an object.

Is there some profiler that will help know if any event that was dispatched
has not been caught by any component/object?

Thanks
Varun

On 7/10/07, James Booth [EMAIL PROTECTED] wrote:

 Are you using EventDispatcher at all?  If so, are you adding listeners at
 each interval?  Make sure they're added and removed properly or they'll
 get
 lost and mount up. It's hard to help without seeing any code.  Can you
 give
 a brief example of the code that runs at each interval?

 - James

 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Varun
 Soundararajan
 Sent: Monday, July 09, 2007 2:51 PM
 To: flashcoders@chattyfig.figleaf.com
 Subject: [Flashcoders] Re: Handle Leaks in Flash, anyone can help?

 Hi,
 can anyone give some hints on how to proceed?

 On 7/9/07, Varun Soundararajan [EMAIL PROTECTED] wrote:
 
  Hi Flash Champs,
 
I need help regarding handle leak issue. I have a Flash
  movie that parses XML from the server every 1 minute. The XML file that
 the
  SWF parses in every 1 minute interval is around 100- 200 KB. I m seeing
 that
  IE starts leaking handles (not sure if that is related to XML parsing,
 but
  the XML every one minute can trigger a change in the content of the
 movie
  (ie., what objects should be visible or if a new object needs to be
 created
  etc) ).
 
 When I profiled IE process, I see a lot of token handle
 leaks
  (more than 2000 handles leaks per day) ( My understanding on Token
 Handles:
  It is a handle to a security credential. Usually when IE connects to a
  server it tries to send the credentials of the logged in user. These
  credentials are seen as tokens in windows.)
 
 Are there any documented issues regarding this? If I keep IE
  open for a few days (2-3 days), Flash will cause IE to either crash, or
 make
  the system unstable.. I have disabled all Toolbars (except Adobe PDF
  toolbar)..
 
  I use

RE: [Flashcoders] Re: Handle Leaks in Flash, anyone can help?

2007-07-09 Thread James Booth 
Are you using EventDispatcher at all?  If so, are you adding listeners at
each interval?  Make sure they're added and removed properly or they'll get
lost and mount up. It's hard to help without seeing any code.  Can you give
a brief example of the code that runs at each interval?

- James

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Varun
Soundararajan
Sent: Monday, July 09, 2007 2:51 PM
To: flashcoders@chattyfig.figleaf.com
Subject: [Flashcoders] Re: Handle Leaks in Flash, anyone can help?

Hi,
can anyone give some hints on how to proceed?

On 7/9/07, Varun Soundararajan [EMAIL PROTECTED] wrote:

 Hi Flash Champs,

   I need help regarding handle leak issue. I have a Flash
 movie that parses XML from the server every 1 minute. The XML file that
the
 SWF parses in every 1 minute interval is around 100- 200 KB. I m seeing
that
 IE starts leaking handles (not sure if that is related to XML parsing, but
 the XML every one minute can trigger a change in the content of the movie
 (ie., what objects should be visible or if a new object needs to be
created
 etc) ).

When I profiled IE process, I see a lot of token handle leaks
 (more than 2000 handles leaks per day) ( My understanding on Token
Handles:
 It is a handle to a security credential. Usually when IE connects to a
 server it tries to send the credentials of the logged in user. These
 credentials are seen as tokens in windows.)

Are there any documented issues regarding this? If I keep IE
 open for a few days (2-3 days), Flash will cause IE to either crash, or
make
 the system unstable.. I have disabled all Toolbars (except Adobe PDF
 toolbar)..

 I use HTTP to request XML data from Server (I think thats the only
 non-remoting way to obtain data from server in Flash). There is JSP
Session
 ID based authentication to connect to server before running the SWF. Does
 that have something to do with this? When I login to the server with
 credentials, but dont launch the Flash movie, I dont have Handle Leaks,
that
 has led me to the conclusion that something in the flash movie could be
the
 trouble maker. How do I go ahead debugging? Thanks in advance.


 Some details about the Flash Movie:
 There are several Actionscript Verison 2 components in the movie all
 instances of which are created at runtime using actionscript. all of my
code
 is in Actionscript 2 There is quite some XML parsing. There are not much
 animations in the movie (the movie more has to do with parsing the XML and
 representing it in the screen). Please feel free to ask more details that
 are needed..


 Regards
 Varun




-- 
Regards
--Varun S
http://mailvarun.blogspot.com

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RE: [Flashcoders] Getting a press for regular key...

2006-11-02 Thread James Booth 
Could it be the case of your variable?

KEY_a versus Key_a



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of eric dolecki
Sent: Thursday, November 02, 2006 8:51 AM
To: Flashcoders mailing list
Subject: [Flashcoders] Getting a press for regular key...

I have this:

var KEY_a:Number = 97;

function myOnKeyDown():Void
{
trace( Key.isDown(Key_a));
};

var keyListener:Object = new Object();
keyListener.onKeyDown = myOnKeyDown;
Key.addListener( keyListener );

When I press the a key - I get a false. What is the proper shortcut code
in the myOnKeyDown to properly get the trace to return True?

- e.
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RE: [Flashcoders] Getting a press for regular key...

2006-11-02 Thread James Booth 
Actually, on top of that, I think isDown checks the Key Code which would be
65.



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James Booth
Sent: Thursday, November 02, 2006 4:15 PM
To: 'Flashcoders mailing list'
Subject: RE: [Flashcoders] Getting a press for regular key...

Could it be the case of your variable?

KEY_a versus Key_a



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of eric dolecki
Sent: Thursday, November 02, 2006 8:51 AM
To: Flashcoders mailing list
Subject: [Flashcoders] Getting a press for regular key...

I have this:

var KEY_a:Number = 97;

function myOnKeyDown():Void
{
trace( Key.isDown(Key_a));
};

var keyListener:Object = new Object();
keyListener.onKeyDown = myOnKeyDown;
Key.addListener( keyListener );

When I press the a key - I get a false. What is the proper shortcut code
in the myOnKeyDown to properly get the trace to return True?

- e.
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RE: [Flashcoders] printable certificates for flash 7

2006-09-19 Thread James Booth 
Look into Flash Remoting.  This is how I've done it in the past.

- James


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Gay
Sent: Tuesday, September 19, 2006 4:42 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] printable certificates for flash 7

I've been out of flash development for a little while and I recognize  
that this may be under the radar of many on the list.
Should I switch to the newbie list to find an answer regarding this?
Thanks,
-Jim

On Sep 19, 2006, at 11:16, Jim Gay wrote:

 I'm getting ready to do a project where I need to create a  
 printable certificate with dynamic info (such as a name pulled from  
 a database) for users with Flash player 7.

 Does anyone have any recommendations on the best way to handle it.  
 Can I do so relatively easily without the need for something like  
 Flash Comm. Server?

 Tips or tutorials would be greatly appreciated.
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RE: [Flashcoders] Not seeing video on stage

2006-08-22 Thread James Booth 
Make sure your Video Player Component has an instance name and is referenced
properly.

- James


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Helen Triolo
Sent: Tuesday, August 22, 2006 11:59 AM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] Not seeing video on stage

Does it work if you put an Embedded Video instance called vid on stage 
instead?  I don't think you can instantiate one like you're doing (but I 
could be wrong).

Helen

-- 
http://flash-creations.com
http://i-technica.com

Mendelsohn, Michael wrote:

Hi list...

I'm not sure why I can't see my loaded flv on the stage.  I can hear
them, I just can't see them.  I have a class that runs the show as
follows.

Thanks,
- Michael M.

import flash.external.*;
class welcomeWebpage {
   public var nc:NetConnection;
   public var ns:NetStream;
   public var vid:Video;
   public var ui:MovieClip;
   public static var currentCategory:String;
   public static var inst:welcomeWebpage = undefined;
   private function welcomeWebpage() {
   // singleton
   }
   public static function getInstance():welcomeWebpage {
   if (inst == undefined) {
   inst = new welcomeWebpage();
   }
   return inst;
   }
   public function init():Void {
   // create netConnection to import external flv files
(sitting next to swf)
   nc = new NetConnection();
   nc.connect(null);
   ns = new NetStream(nc);
   vid = new Video();
   }
   public function playVid(theVid) {
   //start to load, then play, the appropriate video..
   vid.attachVideo(ns);
   ns.play(theVid);
   // tried to set _x, etc. here but nothing works
   }
}

  





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RE: [Flashcoders] MovieClip loader IE Caching bug

2006-08-16 Thread James Booth 
I had a similar issue that I wanted to attach an ImageNotFound clip if an
image didn't load, but I'm unable to attach anything if it fails.  The only
way I could fix it, was to initially create an empty movieclip and load into
that.  If it failed, I remove and recreate the empty movieclip and then I
can attach.  The issue may be similar.

- James

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Mike
Mountain
Sent: Wednesday, August 16, 2006 10:58 AM
To: Flashcoders mailing list
Subject: [Flashcoders] MovieClip loader IE Caching bug

I don't do too much online work to be honest so I've only just found
this out - but I cannot believe Adobe haven't fixed this bug.
http://livedocs.macromedia.com/flash/8/main/wwhelp/wwhimpl/common/html/w
whelp.htm?context=LiveDocs_Partsfile=2538.html

Using listeners for the movieclip loader, events only fire the first
time the swf is loaded, if it's cached in ie then the listeners don't
fire!

How fundamentally flawed is this!?!

Is their an elegant workaround or do I really have to use the 'old'
onEnterFrame bytesLoaded v bytesTotal comparision?

OMG Arrgh! Etc.

M


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RE: [Flashcoders] WSIWYG HTML text editor in Flash?

2006-08-01 Thread James Booth 
I just did exactly this, a couple of days ago.  I created a class that can
apply any kind of supported HTML formatting.  The idea seemed daunting at
first, but the class is relatively small.  You can assign/remove textfields
that it should watch. I don't have it here with me right now, but here's
the basics:

It doesn't use replaceText at all.

I have a switch statement for the various textformat options (some are
Boolean (bold, italic, etc) and some have arguments (leading, size, etc).

When the textfield has focus use an interval to get the beginIndex and
endIndex.  You can clear the interval onkillFocus.

Then in your setFormat function

Public function setFormat (type, arg):Void
{
var temp_fmt:TextFormat = currentField.getTextFormat(beginIndex,
endIndex);

switch (type)
{
case bold:
case italic:
case underline:
//etc...
{
temp_fmt[type] = temp_fmt[type] == false ? true :
false;
break;
}
case leading:
case align:
case size:
//etc...
{
temp_fmt[type] = arg;
break;
}
}
currentField.setTextFormat(beginIndex, endIndex, temp_fmt);
}

This should give you a head start.

- James 


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Merrill,
Jason
Sent: Tuesday, August 01, 2006 10:11 AM
To: Flashcoders mailing list
Subject: [Flashcoders] WSIWYG HTML text editor in Flash?

Two related questions.  In a nutshell, trying to make a WSIWYG HTML text
editor for Flash 7.   

Question 1:

Has anyone created an HTML text editor component or class of some kind
in Flash?  Basically, having a textfield containing a paragraph of text
the user can apply bold, size, font, etc. to - I assume it would use
something like:

textfield.replaceText(Selection.getBeginIndex(),Selection.getEndIndex(),
theNewString) 

or something to that effect.  

So to my second question, I was able to get the above working, but the
html Textfield would not apply the new HTML tags, it would show them
literally when replaceText was used.  Initially, I set the text with
textField.htmlText = myText and renders fine with the bolding, but
textField.replaceText() seems to not allow the textfield to show the
bold tags applied - it shows the literal tag.   Any ideas?

Basically, would like to create a WSIWYG HTML text editor (flash 7), but
from what I read in the archives, it's a lot harder than it sounds and
maybe not even possible in Flash right now, but I don't want to give up
too early.  It seems that all the basic methods are available, there are
just some quirks to work out with the Textfield class. 

Thanks,

Jason Merrill
Bank of America 
Learning  Organization Effectiveness - Technology Solutions 
 
 
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RE: [Flashcoders] Littleloud: Flash Developer Position

2006-06-09 Thread James Booth 
Maybe he just forgot to put the

;)

At the end.



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of hank
williams
Sent: Friday, June 09, 2006 3:06 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] Littleloud: Flash Developer Position

Its all about tone.

Hank

On 6/9/06, Nick Weekes [EMAIL PROTECTED] wrote:
 I dont see the problem with them keeping the job email short, and saying
 get more info from our website?

 Ettwein, Josh wrote:
  Heh.. That's exactly what I was just thinking. Wow...where do I sign up?
  :)
 
  -Original Message-
  From: [EMAIL PROTECTED]
  [mailto:[EMAIL PROTECTED]
  Sent: Friday, June 09, 2006 9:28 AM
  To: Flashcoders mailing list
  Subject: RE: [Flashcoders] Littleloud: Flash Developer Position
 
 
  but you really shouldn't have had any problem finding that out by
  looking at our website.
 
 
  And these are the nice people you want to work for.  :)
 
  Jason Merrill
  Bank of America
  Learning Technology Solutions
 
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RE: [Flashcoders] OOP 101: Is import really necessary?

2006-05-25 Thread James Booth 

There is a bit of an anomaly with importing classes...

For example you have 3 classes.  Let's call them FirstClass, SecondClass and
ThirdClass.

Within FirstClass you import and create an instance of SecondClass and
within SecondClass you import and create an instance of ThirdClass, creating
a chain.

On the main timeline of the fla, you import FirstClass, but don't create an
instance of it.  Because you didn't create an instance of it, rightfully it
is not compiled.  But, both SecondClass AND ThirdClass are compiled.  You
can check it either by file size or by clicking Debug--List Variables in
the player window.  Most likely because there is an instance of SecondClass
created within FirstClass and an instance of ThirdClass created within
SecondClass.  It would make sense though that because an Instance of
FirstClass was not created, that the compiler should just stop right there,
but that isn't the case.  Perhaps that's why there is the
flaName_exclude.xml trick, but even then you have to explicitly exclude
each class.  It's not really a trick, but may be a little known concept.

- James

 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Geoff
Stearns
Sent: Thursday, May 25, 2006 2:36 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] OOP 101: Is import really necessary?

import in flash is only used to save you some typing.

when you use

import com.package.Class;

the class is *not* included in the swf until you reference that class  
in your code somewhere.

like

var blah:Class;

you don't have to use import, you can also use:

var blah:com.package.Class;

and it will behave exactly the same way, only every time you  
reference the class, you'll need to type the full path instead of  
just 'Class'

it's just a typing shortcut.



On May 25, 2006, at 2:01 PM, j.c.wichman wrote:

 Hi,
 it is included, but not solely becoz of the import statement.
 I might be wrong, but I believe this is even a 'bug'.

 Expected behavior:
 import MyClass causes inclusion of MyClass in the swf

 Real behavior:
 import MyClass still requires you to use MyClass somewhere in the  
 code as in
 var myClass:MyClass, in order for it to be included.

 Note that we are talking about the Flash IDE here, with mtasc you can
 include exclude any class you like whether or not it is referenced  
 in the
 code.

 greetz
 Hans

 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf
 Of Merrill, Jason
 Sent: Thursday, May 25, 2006 7:25 PM
 To: Flashcoders mailing list
 Subject: RE: [Flashcoders] OOP 101: Is import really necessary?

 The 'import' statement doesn't actually embed a class into  
 the .swf.
 All it does is tell the compiler that when you type (for example)
 MyClass, you are actually referring to com.fred.MyClass.

 Err...that has not been my understanding at all.  If that is
 the case, then why do you NOT need to include your class
 files on the server with the .swf?  Since reality is you
 don't, all that code has to be in the .swf upon compiling,
 otherwise, the .swf wouldn't know what to do with

 Myvar:MyCoolClass = new MyCoolClass();

 If it's not included with the .swf, how would the .swf know
 what MyCoolClass is otherwise?


 Jason Merrill
 Bank of America
 Learning Technology Solutions







 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:flashcoders-
 [EMAIL PROTECTED] On Behalf Of Ian Thomas
 Sent: Thursday, May 25, 2006 12:27 PM
 To: Flashcoders mailing list
 Subject: Re: [Flashcoders] OOP 101: Is import really necessary?

 Errm - actually that's not such a good reason.

 The 'import' statement doesn't actually embed a class into  
 the .swf.
 All it does is tell the compiler that when you type (for example)
 MyClass, you are actually referring to com.fred.MyClass.

 You could just type com.fred.MyClass throughout the body of
 your code
 instead of typing import at the top of the file.

 'import' is simply a disambiguation helper for the
 compiler. It's got
 nothing to do with what code actually gets included in the
 resultant
 .swf. You can prove this by typing:
 import com.fred.*   // Replace with some set of classes you're not
 using in your current project

 And recompiling. The .swf file size won't go up until you actually
 _reference_ an object that belongs to one of those
 packages. As soon
 as you typed:
 var f:MyClass=new MyClass();

 or, in fact
 var f:com.fred.MyClass=new com.fred.MyClass();

 The file size would go up.

 So - in answer to RifledCloaca - no, you don't need to type  
 'import'
 at all, as long as you refer to all your classes by full
 packagename.

 Ian

 On 5/25/06, Merrill, Jason [EMAIL PROTECTED] wrote:

 Because if Flash imported every class available to it
 automatically,
 then your .swf files would be huge and unnecessarily bloated.  Do
 you
 really want the code to all the Remoting classes imported
 into your
 .swf
 if you're not using them? When you include, the actionscript

RE: [Flashcoders] OOP 101: Is import really necessary?

2006-05-25 Thread James Booth 
Adding...Importing it as a package does properly exclude the classes.  From
my example, obviously why import a class and not use it, but I'm trying to
understand the logic of the compiler.

- James

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James Booth
Sent: Thursday, May 25, 2006 3:17 PM
To: 'Flashcoders mailing list'
Subject: RE: [Flashcoders] OOP 101: Is import really necessary?


There is a bit of an anomaly with importing classes...

For example you have 3 classes.  Let's call them FirstClass, SecondClass and
ThirdClass.

Within FirstClass you import and create an instance of SecondClass and
within SecondClass you import and create an instance of ThirdClass, creating
a chain.

On the main timeline of the fla, you import FirstClass, but don't create an
instance of it.  Because you didn't create an instance of it, rightfully it
is not compiled.  But, both SecondClass AND ThirdClass are compiled.  You
can check it either by file size or by clicking Debug--List Variables in
the player window.  Most likely because there is an instance of SecondClass
created within FirstClass and an instance of ThirdClass created within
SecondClass.  It would make sense though that because an Instance of
FirstClass was not created, that the compiler should just stop right there,
but that isn't the case.  Perhaps that's why there is the
flaName_exclude.xml trick, but even then you have to explicitly exclude
each class.  It's not really a trick, but may be a little known concept.

- James

 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Geoff
Stearns
Sent: Thursday, May 25, 2006 2:36 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] OOP 101: Is import really necessary?

import in flash is only used to save you some typing.

when you use

import com.package.Class;

the class is *not* included in the swf until you reference that class  
in your code somewhere.

like

var blah:Class;

you don't have to use import, you can also use:

var blah:com.package.Class;

and it will behave exactly the same way, only every time you  
reference the class, you'll need to type the full path instead of  
just 'Class'

it's just a typing shortcut.



On May 25, 2006, at 2:01 PM, j.c.wichman wrote:

 Hi,
 it is included, but not solely becoz of the import statement.
 I might be wrong, but I believe this is even a 'bug'.

 Expected behavior:
 import MyClass causes inclusion of MyClass in the swf

 Real behavior:
 import MyClass still requires you to use MyClass somewhere in the  
 code as in
 var myClass:MyClass, in order for it to be included.

 Note that we are talking about the Flash IDE here, with mtasc you can
 include exclude any class you like whether or not it is referenced  
 in the
 code.

 greetz
 Hans

 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf
 Of Merrill, Jason
 Sent: Thursday, May 25, 2006 7:25 PM
 To: Flashcoders mailing list
 Subject: RE: [Flashcoders] OOP 101: Is import really necessary?

 The 'import' statement doesn't actually embed a class into  
 the .swf.
 All it does is tell the compiler that when you type (for example)
 MyClass, you are actually referring to com.fred.MyClass.

 Err...that has not been my understanding at all.  If that is
 the case, then why do you NOT need to include your class
 files on the server with the .swf?  Since reality is you
 don't, all that code has to be in the .swf upon compiling,
 otherwise, the .swf wouldn't know what to do with

 Myvar:MyCoolClass = new MyCoolClass();

 If it's not included with the .swf, how would the .swf know
 what MyCoolClass is otherwise?


 Jason Merrill
 Bank of America
 Learning Technology Solutions







 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:flashcoders-
 [EMAIL PROTECTED] On Behalf Of Ian Thomas
 Sent: Thursday, May 25, 2006 12:27 PM
 To: Flashcoders mailing list
 Subject: Re: [Flashcoders] OOP 101: Is import really necessary?

 Errm - actually that's not such a good reason.

 The 'import' statement doesn't actually embed a class into  
 the .swf.
 All it does is tell the compiler that when you type (for example)
 MyClass, you are actually referring to com.fred.MyClass.

 You could just type com.fred.MyClass throughout the body of
 your code
 instead of typing import at the top of the file.

 'import' is simply a disambiguation helper for the
 compiler. It's got
 nothing to do with what code actually gets included in the
 resultant
 .swf. You can prove this by typing:
 import com.fred.*   // Replace with some set of classes you're not
 using in your current project

 And recompiling. The .swf file size won't go up until you actually
 _reference_ an object that belongs to one of those
 packages. As soon
 as you typed:
 var f:MyClass=new MyClass();

 or, in fact
 var f:com.fred.MyClass=new com.fred.MyClass();

 The file size would go up.

 So - in answer to RifledCloaca - no, you don't need

RE: [Flashcoders] OOP 101: Is import really necessary?

2006-05-25 Thread James Booth 
It will include them, unless of course you exclude each one of them using
the excludeAssets xml file. This file over-rides everything.  Even if you
instantiate the class, it will be excluded.

- James

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of ryanm
Sent: Thursday, May 25, 2006 4:27 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] OOP 101: Is import really necessary?

 Then how do you explain my results?

Because some of those classes instantiate other classes (in the UIObject

hierarchy), so those classes are compiled even though you didn't instantiate

the first class. Importing *any* of the MM UI components will instantiate 
all kinds of lower-level classes, causing the entire UIObject hierarchy to 
be compiled even if you never use the class you actually imported.

ryanm 

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