How to embed Passcode mechanism in flex application

Hi,
I'm developing a flex based application. Almost everything is done. Now I would like to let the users to install this product only for 3 times on their machine.
For this, Passcode mechanism is a good idea. The user has to enter this passcode which went alongwith the CD / DVD product after installing the product.
They shall use this code for only 3 times. After that the product should not accept this passcode. Could anyone suggest me how to accomplish this task in flex ?
Any tutorials for this ?
Thanks in advance.

The AIR desktop application is already made. The user will have to purchase the CD to install it. He/She should have to input the Code which went along with the CD while installing the product.
He / She should be able to use this CD only for 3 times in the same computer OR use this CD in 3 different computers for 1 time in each.
Simply it should be used only for 3 times.
Could anyone suggest me how to accomplish this task ?

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virtualkeypad1.mxml
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
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             protected function enter_clickHandler(event:MouseEvent):void
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             protected function backspace_clickHandler(event:MouseEvent):void
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page as different background image.
but i have to create pages with different sizes.
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big.
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you asked about sample code,
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In my Application mxml file, i am loading all custom
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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
xmlns="*"
horizontalAlign="center" verticalAlign="top"
styleName="plain"
backgroundColor="#FFFFFF"
creationComplete="init()" width="780" height="594" >
<mx:Script>
<![CDATA[
//navigating to next page
public function showNextStep(newIndx:int):void{
vs.selectedIndex=newIndx;
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public function showPreviousStep(newIndx):void{
vs.selectedIndex=newIndx
]]>
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width="100%" >
<mx:Canvas id="s1" label="step1"
backgroundImage="assets/Step1.jpg" >

<mx:HBox paddingLeft="8" width="780" height="548">
</mx:HBox>
<mx:Button alpha="0" buttonMode="true" x="697" y="18"
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<mx:Button alpha="0" buttonMode="true" x="697" y="508"
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height="24"/>
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width="54" click="this.parentApplication.showNextStep(2)"
height="24"/>
</mx:Canvas>
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<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="
http://www.adobe.com/2006/mxml"
creationComplete="init()"
backgroundImage="assets/Step3.jpg" >

<mx:VBox width="763" height="668">
</mx:VBox>
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height="24"/>
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width="68" click="this.parentApplication.showNextStep(3)"
height="24"/>
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http://www.adobe.com/2006/mxml"
creationComplete="init()"
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width="58" click="this.parentApplication.showPreviousStep(2)"
height="24"/>
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width="54" click="this.parentApplication.showNextStep(4)"
height="24"/>
</mx:Canvas>
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<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="
http://www.adobe.com/2006/mxml"
creationComplete="init()"
backgroundImage="assets/Step5.jpg" width="778"
height="600">

<mx:VBox paddingLeft="170" paddingTop="170" width="778"
height="522">
</mx:VBox>
<mx:Button alpha="0" buttonMode="true" x="654" y="41"
click="this.parentApplication.showPreviousStep(3)" width="72"
height="24"/>
<mx:Button alpha="0" buttonMode="true" x="654" y="486"
width="72" click="this.parentApplication.showPreviousStep(3)"
height="24"/>
</mx:Canvas>
I am getting vertical scrollbar for page3 and page4,
please tell me how to avoid this, Is their any other method
to do this.
Following is the link for my above code
http://www.emantras.com/flexdemo/sample.html
in this application one more problem is also their,
background image loads very slow, before it loads all the flex
components will load. So when you open this please wait till
background image loaded, to move to next and back pages.
Thanks for your time and consideration.
Regards
Avanthika

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Hi ,
I have created a simple jsp application and deployed on portal.
in the first jsp i need to show a jpeg image
I am referencing the image wth a simple HTML SRC="image.jpg" tag
image is placed in same folder as jsp.
However this does not work. when i deploy on portal and access the jsp using following url
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What is the reason..?
Please help.
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rocky

Hi Rocky,
Are you using the DC?
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Hi All,
Simple question but I can't seem to find an answer to. How can I tell if my Flex application is currently playing sounds from a SWF file?
What I'm trying to do is load a SWF file dynamically into my Flex app. However, these SWF files have sounds in them and they don't seem to stop even after I unload the SWF files.
I'm trying to get around this by stopping all sounds using the flash.media.SoundMixer.stopAll() but it's getting called too early, before the SWF files are fully loaded and rendered in the application.
I searched around and it seems like many people are having issues with this. Maybe someone can help me find a solution.
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Colin

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Blog: http://blogs.adobe.com/aharui

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I am trying make demo site Flex with coldfusion.
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Currently flex have small text editor But i need full text
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