Flex project example with BlazeDS and Eclipse.
There are many tutorials on Internet very simple:

• Create a Flex project with J2EE nature
• Import BlazeDS war to recreate project structure
• Configure flex remoting config files
• Create java services and register them in the config files
• Create RemoteObject components in Flex client pointing to these services
Download BlazeDSHelloWorld example

Amf3Output class included in BlazeDS libraries allow us a simple way to serialize objects from server to client in AMF3 format.

Download complete example as flex J2EE project

Fixed bug with checkbox checked at dropdown in component ComboCheck.

Flex ComboBox extended to implements a select by value feature:

package com.arcadiocarballares {
	import mx.controls.ComboBox;

	public class ComboBoxByValue extends ComboBox {
		private var _selectedValue:int;

	    public function SelectByValueCombo() {
	        super();
	    }

	    public function get selectedValue():int {
	    	return _selectedValue;
	    }

	    public function set selectedValue(value:int):void {
			_selectedValue = value;
			for (var i:String in dataProvider) {
				if (value == dataProvider[i].value) {
					selectedIndex = parseInt(i);
					break;
				}
			}
	    }
	}
}