How to create a clickable button in Flash Actionscript:

Here is an example on how to create a clickable button with listener events in Flash Actionscript:



/**
 * How to create a button
 */
import flash.display.Sprite;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.net.URLRequest;


var button:Sprite;
var clickUrl:String = "http://thong-vu.blogspot.com";


if( stage == null ) {
  this.addEventListener( Event.ADDED_TO_STAGE, handleStageReady);
}
else {
  handleStageReady();
}


function handleStageReady(e:Event=null):void {
// text message
  var textField:TextField = new TextField();
  textField.text         = "Click Me!!!";
  textField.selectable   = false;
  textField.mouseEnabled  = false;
  textField.multiline    = false;
  textField.wordWrap     = false;
  textField.width        = textField.textWidth + 5;
  textField.height       = textField.textHeight + 5;
  textField.antiAliasType = AntiAliasType.NORMAL;
// click button
  button = new Sprite();
  button.addChild(textField);
  button.width        = textField.width;
  button.height        = textField.height;
  button.buttonMode    = true;
  button.mouseChildren = false;
  button.mouseEnabled  = true;
  button.addEventListener(MouseEvent.MOUSE_OUT, handleButtonEvents);
  button.addEventListener(MouseEvent.MOUSE_OVER, handleButtonEvents);
  button.addEventListener(MouseEvent.CLICK, handleButtonEvents);
  addChild(button);
}


function handleButtonEvents(me:MouseEvent):void {
  switch(me.type) {
    case MouseEvent.MOUSE_OVER:
      button.alpha = 0.5;
      break;
  case MouseEvent.MOUSE_OUT:
      button.alpha = 1;
      break;
  case MouseEvent.DOUBLE_CLICK:
    default:
    // navigate to url
    navigateToURL( new URLRequest(clickUrl), "_blank" );
  }
}