package {
          import flash.display.Sprite;
          import flash.display.StageAlign;
          import flash.display.StageScaleMode;
          import flash.events.ActivityEvent;
          import flash.media.Microphone;
  
          public class @ax-lib-flex-animation-code-05-Clapper extends Sprite
          {
                  private var _mic:Microphone;
                  private var _on:Boolean = false;
                  
                  public function @ax-lib-flex-animation-code-05-Clapper()
                  {
                          stage.align = StageAlign.TOP_LEFT;
                          stage.scaleMode = StageScaleMode.NO_SCALE;
                          
                          update();
                          
                          _mic = Microphone.getMicrophone();
                          _mic.setSilenceLevel(25, 500);
                          _mic.setLoopBack();
                          _mic.addEventListener(ActivityEvent.ACTIVITY, onActivity);
                  }
                  
                  private function onActivity(event:ActivityEvent):void
                  {
                          if(event.activating)
                          {
                                  _on = !_on;
                                  update();
                          }
                  }
                  
                  private function update():void
                  {
                          graphics.clear();
                          if(_on)
                          {
                                  graphics.beginFill(0xffffff);
                          }
                          else
                          {
                                  graphics.beginFill(0);
                          }
                          graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
                  }
          }
  }