MXML: Difference between revisions

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== Definition ==
== Definition ==


MXML is an XML-based user [http://en.wikipedia.org/wiki/User_interface_markup_language interface markup language]. MXML is considered a proprietary standard due to its tight integration with Adobe technologies, in particular [[Flash]].


The [[Adobe Flex]] developer kit can be use to compile MXML + ActionScript code into Flash. It's a fairly popular technology for developping [[rich internet application]]s (e.g. educational multimedia).


This entry is part of the [[ActionScript]] and [[Flash]] series of articles.
== Introductory example ==
== Introductory example ==


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A basic mxml document would look something like this:
A basic mxml document would look something like this:


file myFirstApplication.mxml
File myFirstApplication.mxml :


  <?xml version="1.0" encoding="utf-8"?>
  <?xml version="1.0" encoding="utf-8"?>
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     </mx:Panel>
     </mx:Panel>
  </mx:Application>
  </mx:Application>
Make sur to respect [[XML]] Syntax (e.g. closing tags).


Put the text above in a text file. Save the text file as "myFirstApplication.mxml". Assuming the Flex framework is properly installed, in the terminal, type
Put the text above in a text file. Save the text file as "myFirstApplication.mxml". Assuming the Flex framework is properly installed, in the terminal, type
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SWF files generated by Flex require Flash Player 9 or above.  
SWF files generated by Flex require Flash Player 9 or above.  


This is part of the [[Flash]] series of articles. But it is '''not''' a tutorial !!
== Links ==
 
* [http://www.adobe.com/devnet/flex/ Flex Developer Center] has a lot of information. Not always obvious to find the best entry point for beginners, but have a look at these (if the links didn't move ...):
** [http://www.adobe.com/devnet/flex/quickstart/coding_with_mxml_and_actionscript/ Coding with MXML and ActionScript]
** [http://www.adobe.com/devnet/flex/quickstart/building_components_in_mxml/ Building components in MXML]
** [http://livedocs.adobe.com/flex/3/html/help.html?content=mxml_1.html Flex Programming Elements] (A manual chapter).


== Links ==
* [http://en.wikipedia.org/wiki/MXML MXML] (Not very useful as of Aug. 2008)


* [http://www.adobe.com/devnet/flex/ Flex Developer Center]
* [http://www.adobe.com/devnet/flex/articles/paradigm.html An overview of MXML: The Flex markup language] by C. Coenraets, Adobe (2004). Outdated, but still useful !


[[Category: XML]]
[[Category: XML]]

Revision as of 14:16, 28 August 2008

Definition

MXML is an XML-based user interface markup language. MXML is considered a proprietary standard due to its tight integration with Adobe technologies, in particular Flash.

The Adobe Flex developer kit can be use to compile MXML + ActionScript code into Flash. It's a fairly popular technology for developping rich internet applications (e.g. educational multimedia).

This entry is part of the ActionScript and Flash series of articles.

Introductory example

A Flex program is a text file that contains a combination of xml elements and optionally actionscript instructions.

A basic mxml document would look something like this:

File myFirstApplication.mxml :

<?xml version="1.0" encoding="utf-8"?>

<mx:Application 
    xmlns:mx="http://www.adobe.com/2006/mxml" 
    horizontalAlign="center" verticalAlign="middle" 
    width="300" height="160" 
>
    <mx:Panel 
        paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10"
        title="My First Application"  
    >

        <mx:Label text="Hello World!" fontWeight="bold" fontSize="24"/>
    </mx:Panel>
</mx:Application>

Make sur to respect XML Syntax (e.g. closing tags).

Put the text above in a text file. Save the text file as "myFirstApplication.mxml". Assuming the Flex framework is properly installed, in the terminal, type

mxmlc myFirstApplication.mxml

Information appears on the screen and about half a second later, if all is well, you get informed that a file "myFirstApplication.swf" has been produced. Open this file in a flash player or in a web browser.

SWF files generated by Flex require Flash Player 9 or above.

Links

  • MXML (Not very useful as of Aug. 2008)