重写preloader
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package
{
import flash.display.MovieClip;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.ProgressEvent;
import flash.text.TextField;
import mx.events.FlexEvent;
import mx.preloaders.IPreloaderDisplay;
import mx.preloaders.Preloader;
public class MyPreloader extends Sprite implements IPreloaderDisplay
{
[Embed(source="loading_animations_2.swf", symbol="circle_in_circle_stage4")]
private var LoaderMC:Class;
private var _loader_mc:MovieClip;
private var _txt:TextField;
private var _preloader:Preloader;
public function MyPreloader()
{
super();
this._loader_mc=new LoaderMC()
this.addChild(this._loader_mc);
this._txt = new TextField();
this.addChild(_txt);
}
public function get backgroundAlpha():Number
{
return 0;
}
public function set backgroundAlpha(value:Number):void
{
}
public function get backgroundColor():uint
{
return 0;
}
public function set backgroundColor(value:uint):void
{
}
public function get backgroundImage():Object
{
return null;
}
public function set backgroundImage(value:Object):void
{
}
public function get backgroundSize():String
{
return null;
}
public function set backgroundSize(value:String):void
{
}
public function set preloader(obj:Sprite):void
{
_preloader=obj as Preloader;
_preloader.addEventListener(ProgressEvent.PROGRESS, progressEventHandler);
_preloader.addEventListener(FlexEvent.INIT_COMPLETE, initCompleteEventHandler);
}
public function get stageHeight():Number
{
return 0;
}
public function set stageHeight(value:Number):void
{
}
public function get stageWidth():Number
{
return 0;
}
public function set stageWidth(value:Number):void
{
}
public function initialize():void
{
_loader_mc.x=stage.stageWidth / 2 - _loader_mc.width / 2;
_loader_mc.y=stage.stageHeight / 2 - _loader_mc.height / 2;
_txt.x = stage.stageWidth / 2 - _loader_mc.width / 2;
_txt.y = stage.stageHeight / 2 - _loader_mc.height / 2 + 30;
}
private function progressEventHandler(eo:ProgressEvent):void
{
_txt.text=Math.round((eo.bytesLoaded / eo.bytesTotal) * 100) + " %";
}
private function initCompleteEventHandler(eo:FlexEvent):void
{
dispatchEvent(new Event(Event.COMPLETE));
}
}
}
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