RadioButton default value

  
<?xml version='1.0' encoding='UTF-8'?>
<mx:Application
     xmlns:s="library://ns.adobe.com/flex/spark" 
     xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
        import mx.controls.Alert; 
        public function showMsg(msg:String):void { 
            Alert.show(msg); 
        }
    </mx:Script>
    <mx:RadioButtonGroup id="myRadioButtonGroup" itemClick="showMsg('User picked ' + event.currentTarget.selectedValue)" />
    <mx:Panel width="400" height="150" title="Profile" horizontalCenter="0" verticalCenter="0">
        <s:HGroup>
            <mx:Label text="Your hobbies:" />
            <mx:CheckBox id="cbVideoGames" label="Video Games"
                click="showMsg('Video Games is ' + cbVideoGames.selected)" />
            <mx:CheckBox id="cbFishing" label="Fishing"
                click="showMsg('Fishing is ' + cbFishing.selected)" />
        </s:HGroup>
        <s:HGroup>
            <mx:Label fontWeight="bold" text="Do you like spam:" />
            <mx:RadioButton id="rbYes" value="Yes" groupName="myRadioButtonGroup"
                click="showMsg('Yes')" label="Yes" />
            <mx:RadioButton id="rbNo" value="No" groupName="myRadioButtonGroup"
                click="showMsg('No')" label="No" />
        </s:HGroup>

    </mx:Panel>
</mx:Application>

1.	Add RadioButton to RadioButtonGroup
2.	RadioButton click event
3.	Define RadioButton control with
4.	Create RadioButton group using the RadioButtonGroup control
5.	Bind bindable variable to RadioButton
6.	Bind RadioButton to Model
7.	and three
8.	Change Image value by using RadioButton
9.	Create a RadioButtonGroup and put RadioButton into it
10.	Use radio button to change state
11.	Use style to change font size and weight for RadioButton and Label
12.	RadioButton with group name

RadioButton default value : RadioButton « Components « Flex

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