Archive
Create XML of a Database using flex.
You can create an xml of a database using flex.All you need is a database created in Phpmyadmin.
First create a flex project with php as server type.
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Xml in flex
We can call any XML data from flex.
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Html in flex application
We can add Limited Html codes to a flex application.
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Flexpress
wordpress blogs can have good visual by connecting it to flex. all you need is the database of a wordpress blog.we can covert the database into an xml format accessing it through a php file which is generated in flex.But the import thing is that it not safe to create it through database as the usual php function can be missing.It would be better if you have the php middleware of wordpress and just the front end in flex…
Custom Components
One of the main uses of MXML components is to extend the functionality of an existing Flex component.
Custom Components are one of the best features of flex.you can create custom components in flex by creating a new component file
<?xml version="1.0" encoding="utf-8"?>
<mx:ComboBox xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:dataProvider>
<mx:String>United States</mx:String>
<mx:String>United Kingdom</mx:String>
<!-- Add all other countries. -->
</mx:dataProvider>
</mx:ComboBox>
a custom component may look like this.
you can notice that its not an application file and it is just a
combo box,because it can be written only as an component and can be called
in any part of the main
application.
<?xml version="1.0" encoding="utf-8"?>
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:custom="components.*"
width="220" height="115"
>
<custom:CountryComboBox/>
</mx:Application>
the main purpose of using a custom components are its reusablity features.
flex video display
In flex, the video display control lets you play an flv file in to a flex application.
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creating flex components in Actionscript
You can create a component in flex in two ways one with MXML we all know that and the other with Actionscript.The latter is a bit difficult but much more effective when it comes to understanding the code.
<mx:Application xmlns:mx=”http://www.adobe.com/2006/mxml” layout=”absolute” creationComplete=”initApp()”>
<mx:Script>
<![CDATA[
import mx.controls.Button;
private function initApp():void
{
var mybutton:Button=new Button();
mybutton.label=”hi”;
mybutton.setStyle(“fontSize”,”16″);
this.addChild(mybutton);
}
]]>
</mx:Script>
</mx:Application>
The above example shows how to write an entire button component in AS.The function initApp() is called in the main application as creation complete event.All the you have in your mxml application can be called in your script section.
first you need to declare a variable for the button (var mybutton:Button) then you need to call the constructor for the component (new Button();)
Note: The properties of the component should can be called using a .(dot) parameter(eg: mybutton.label=”hi”;)with the same name.
were as the style property of the component can be called using setStyle( )
(this.addChild(mybutton);) in this line we are adding the our component to the container AddChild();,so that our component is added to the main application.
Flex Learner 