<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/06/23/disabling-keyboard-navigation-on-the-radiobutton-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        initialize="init();">

    <mx:Script>
        <![CDATA[
            import comps.*;

            import mx.containers.FormItemDirection;
            import mx.containers.FormItem;
            import mx.containers.Form;
            import mx.controls.RadioButton;
            import mx.controls.RadioButtonGroup;

            private var radioGroup1: RadioButtonGroup;
            private var radioGroup2: RadioButtonGroup;
            private var radioGroup3: RadioButtonGroup;
            
            private var radioButton1:RadioButton;
            private var radioButton2:RadioButton;
            private var radioButton3:RadioButton;
            private var radioButton4:RadioButton;
            private var radioButton5:RadioButton;

            private var radioButton6:MyRadioButton;
            private var radioButton7:MyRadioButton;
            private var radioButton8:MyRadioButton;
            private var radioButton9:MyRadioButton;
            private var radioButton0:MyRadioButton;
            /*
            private var radioButton11:MyRadioButton2;
            private var radioButton12:MyRadioButton2;
            private var radioButton13:MyRadioButton2;
            private var radioButton14:MyRadioButton2;
            private var radioButton15:MyRadioButton2;
            */
            
            private function init():void {
                radioGroup1 = new RadioButtonGroup();
                radioGroup2 = new RadioButtonGroup();
                radioGroup3 = new RadioButtonGroup();
                
                // 1
                radioButton1 = new RadioButton();
                radioButton1.label = "Red";
                radioButton1.group = radioGroup1;
                // 2
                radioButton2 = new RadioButton();
                radioButton2.label = "Orange";
                radioButton2.group = radioGroup1;
                // 3
                radioButton3 = new RadioButton();
                radioButton3.label = "Yellow";
                radioButton3.group = radioGroup1;
                // 4
                radioButton4 = new RadioButton();
                radioButton4.label = "Green";
                radioButton4.group = radioGroup1;
                // 5
                radioButton5 = new RadioButton();
                radioButton5.label = "Blue";
                radioButton5.group = radioGroup1;

                // 6
                radioButton6 = new MyRadioButton();
                radioButton6.label = "Red";
                radioButton6.group = radioGroup2;
                // 7
                radioButton7 = new MyRadioButton();
                radioButton7.label = "Orange";
                radioButton7.group = radioGroup2;
                // 8
                radioButton8 = new MyRadioButton();
                radioButton8.label = "Yellow";
                radioButton8.group = radioGroup2;
                // 9
                radioButton9 = new MyRadioButton();
                radioButton9.label = "Green";
                radioButton9.group = radioGroup2;
                // 0
                radioButton0 = new MyRadioButton();
                radioButton0.label = "Blue";
                radioButton0.group = radioGroup2;

                /*
                // 11
                radioButton11 = new MyRadioButton2();
                radioButton11.label = "Red";
                radioButton11.group = radioGroup3;
                // 12
                radioButton12 = new MyRadioButton2();
                radioButton12.label = "Orange";
                radioButton12.group = radioGroup3;
                // 13
                radioButton13 = new MyRadioButton2();
                radioButton13.label = "Yellow";
                radioButton13.group = radioGroup3;
                // 14
                radioButton14 = new MyRadioButton2();
                radioButton14.label = "Green";
                radioButton14.group = radioGroup3;
                // 15
                radioButton15 = new MyRadioButton2();
                radioButton15.label = "Blue";
                radioButton15.group = radioGroup3;
                */

                var formItem1:FormItem = new FormItem();
                formItem1.label = "keyboard enabled:";
                formItem1.direction = FormItemDirection.HORIZONTAL;
                formItem1.addChild(radioButton1);
                formItem1.addChild(radioButton2);
                formItem1.addChild(radioButton3);
                formItem1.addChild(radioButton4);
                formItem1.addChild(radioButton5);

                var formItem2:FormItem = new FormItem();
                formItem2.label = "keyboard disabled:";
                formItem2.direction = FormItemDirection.HORIZONTAL;
                formItem2.addChild(radioButton6);
                formItem2.addChild(radioButton7);
                formItem2.addChild(radioButton8);
                formItem2.addChild(radioButton9);
                formItem2.addChild(radioButton0);

                /*
                var formItem3:FormItem = new FormItem();
                formItem3.label = "keyboard disabled:";
                formItem3.direction = FormItemDirection.HORIZONTAL;
                formItem3.addChild(radioButton11);
                formItem3.addChild(radioButton12);
                formItem3.addChild(radioButton13);
                formItem3.addChild(radioButton14);
                formItem3.addChild(radioButton15);
                */

                var form:Form = new Form();
                form.addChild(formItem1);
                form.addChild(formItem2);
                // form.addChild(formItem3);
                addChild(form);
            }
        ]]>
    </mx:Script>

</mx:Application>