Learned from http://news.cnet.com/8301-1035_3-10272261-94.html?part=rss&subj=news&tag=2547-1_3-0-20.

Marking a departure from the world of iPhone, HTC's new Android-based Hero phone will also come with the ability to handle Flash elements that adorn many Web sites and power YouTube video.

HTC新款Android系统手机Hero将内建Adobe Flash播放器。

Adobe Systems announced on Wednesday that its Flash Player will be built into the HTC phone, an important step in the company's efforts to spread Flash to mobile phones. The phone, one of several from HTC to use Google's open-source operating system, is scheduled to ship in Europe starting in July and in Asia and North America later in the year.

Adobe在周三发布了一个公告称Flash Player将内建在HTC手机中，这是Flash迈向手机平台关键性的一步。Hero是HTC使用Google的开源操作系统的其中一款手机，将在7月登录欧洲，并在晚些时候登录亚洲和北美。

However, the initial version won't match Flash Player 10, the current version for PCs, which can run programs written with ActionScript 3. Instead, the Android version will handle ActionScript 2 applications written for Flash Player 9 chores, Adobe said. HTC is participating in the Open Screen Project to bring Flash Player 10 to mobile phones through over-the-air updates, though, so Adobe expects fuller Flash support eventually.

不过，这个内建的版本并不是最新的基于AS3的Flash Player 10，而是基于AS2的Flash Player9，Adobe称会在后续中推出Flash Player10的移动版。

"Flash Player 10 for mobile platforms that include Android is expected to be available in the first half of 2010. We are working on delivering a beta of Flash Player 10 in the fourth quarter of 2009," the company said in a statement.

预计Flash Player 10移动版讲在2010年初完成，将在2009年第四季度完成Flash Player 10的Beta版。

The Flash support will be built into the phone and not available as a download for other Android phone users, Adobe said.

Just having a check mark in a feature list isn't enough to outflank a competitor, but Flash is a significant feature on the Web. It powers many games, streaming videos, and dynamic stock charts, and other elaborate features on Web pages. And Flash is also used for many more dynamic advertisements.

Adobe demonstrated Flash on Android in an online video Wednesday, showing off the technology for watching a trailer at Yahoo Movies, playing the Penguin Swing game, and selecting a region on travel site Expedia. Double-clicking on the Flash element on the Web page runs it full screen.

Apple's iPhone doesn't run Flash, though Adobe would like to see it there and has been developing a version.

Apple's iPhone不支持Flash，尽管Adobe希望开发一个针对iPhone的版本，然后在iPhone上看到她。

"We are developing Flash player for the iPhone. To release software on the iPhone requires Apple's agreement. We have to make it work great, and need to get their agreement to have it released," said Adobe chief technology officer Kevin Lynch in a 2008 interview. "We would love to see Flash on the iPhone."

我们在开发Flash的iPhone版本，但是我们需要征得Apple的同意。Adobe的CTO Kevin Lynch在2008年的一次访谈中说，“我们希望在iPhone中看到Flash。”
个人觉得，Apple为了保持APP的独特性，估计是不会让Flash进入iPhone的，死心吧，Adobe。

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< ?xml version="1.0" encoding="utf-8"?>
<filesystem>
	<filesystemitem type="Directory" name="Program Files" bytes="1024">
		</filesystemitem><filesystemitem type="Directory" name="Adobe Flash">
			<filesystemitem type="File" name="Flash.exe"/>
			<filesystemitem type="File" name="Hello.txt"/>
			<filesystemitem type="File" name="Today.txt"/>
		</filesystemitem>

	<filesystemitem type="Directory" name="Other" bytes="1024">
		<filesystemitem type="File" name="Hello.txt"/>
		<filesystemitem type="File" name="Image.jpg"/>
	</filesystemitem>
</filesystem>

xml里，文件分2个目录，Program Files和Other，Program Files目录下有子目录Adobe Flash，子目录Adobe Flash中有3个文件，而Other下有2个子文件，下边我们就用这个xml来模拟一个文件结构目录。

接着开始建立视图FileSystemItemView：

package{
	import flash.display.Sprite;
	import flash.text.TextField;
	import flash.text.TextFieldAutoSize;
	import flash.filters.BevelFilter;
	import Directory;
	import IFileSystemItem;
	public class FileSystemItemView extends Sprite{
		private var _item:IFileSystemItem;
		private var _icon:Sprite;
		private var _label:TextField;
		public function get data():IFileSystemItem{
			return _item;
		}
		public function FileSystemItemView(item:IFileSystemItem){
			_item=item;
			_icon=new Sprite();
			if(item is Directory){
				_icon.graphics.lineStyle();
				_icon.graphics.beginFill(0xFFFF00);
				_icon.graphics.drawRect(0,10,50,30);
				_icon.graphics.endFill();
				_icon.graphics.lineStyle();
				_icon.graphics.beginFill(0xFFFF00);
				_icon.graphics.drawRoundRect(0,0,25,15,5,5);
				_icon.graphics.endFill();
				_icon.filters=[new BevelFilter()];
			}else{
				_icon.graphics.lineStyle(0,0x000000,1);
				_icon.graphics.beginFill(0xFFFFFF);
				_icon.graphics.drawRect(0,0,40,50);
				_icon.graphics.endFill();
			}
			addChild(_icon);

			_label=new TextField();
			_label.text=_item.getName();
			_label.autoSize=TextFieldAutoSize.LEFT;
			_label.x=50;
			addChild(_label);
		}
		public function overrideLabel(label:String):void{
			_label.text=label;
		}
	}
}

根据参数item来判断是Directory还是File，然后生成对应的图形。overrideLabel方法是用来修改上层文件夹的label的。
最后是文档类Composite：

package{
	import flash.display.Sprite;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import Directory;
	import File;
	import FileSystemItem;
	import IIterator;//PS：第7章的类
	import FileSystemItemView;
	import IFileSystemItem;
	public class Composite extends Sprite{
		private var _fileSystem:Directory;
		private var _itemViews:Array;
		public function Composite(){
			var loader:URLLoader=new URLLoader();
			loader.addEventListener(Event.COMPLETE,onLoadXML);
			loader.load(new URLRequest("fileSystem.xml"));
			_fileSystem=new Directory();
			_fileSystem.setName("File System");
			_fileSystem.setParent(null);
			_itemViews=new Array();
		}
		private function onLoadXML(_evt:Event):void{
			XML.ignoreWhitespace=true;
			var xml:XML=new XML(_evt.target.data);
			parseXmlToFileSystem(xml.children(),_fileSystem);
			updateView(_fileSystem);
		}
		private function updateView(directory:Directory):void{
			var i:uint;
			for(i=0;i<_itemViews.length;i++){
				removeChild(_itemViews[i]);
				delete _itemViews[i];
			}
			_itemViews=new Array();
			var iterator:IIterator=directory.iterator();
			var itemY:Number=0;
			var item:IFileSystemItem;
			var view:FileSystemItemView;
			if(directory.getParent()!=null){
				view=new FileSystemItemView((directory.getParent()));
				view.overrideLabel("Parent Directory");
				view.addEventListener(MouseEvent.CLICK,onClick);
				addChild(view);
				_itemViews.push(view);
				itemY+=view.height+5;
			}
			while(iterator.hasNext()){
				item=IFileSystemItem(iterator.next());
				view=new FileSystemItemView(item);
				view.y=itemY;
				itemY+=view.height+5;
				if(item is Directory){
					view.addEventListener(MouseEvent.CLICK,onClick);
				}
				addChild(view);
				_itemViews.push(view);
			}
		}
		private function parseXmlToFileSystem(xml:XMLList,directory:Directory):void{
			var i:uint;
			var item:FileSystemItem;
			for(i=0;i<xml.length();i++){
				if(xml[i].@type=="Directory"){
					item=new Directory();
					parseXmlToFileSystem(xml[i].children(),Directory(item));
				}else{
					item=new File();
				}
				item.setParent(directory);
				item.setName(xml[i].@name);
				directory.addItem(item);
			}
		}
		private function onClick(_evt:MouseEvent):void{
			updateView(Directory(_evt.currentTarget.data));
		}
	}
}

流程是这样，先载入xml，然后调用parseXmlToFileSystem()，将xml结构转换为目录结构，接着就输出。
在点击目录之后，先清除视图，然后再生成迭代器，根据迭代器的内容来循环输出。
本来有个Demo的，但是…恩，嫌传个麻烦，就不放了，，有兴趣的复制以上代码就可以了，。最好呢，是手动输一遍，印象会比较深刻啦～

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package{
	import IIterator;//PS：第7章的类
	public interface IFileSystemItem{
		function iterator():IIterator;
		function addItem(item:IFileSystemItem):void;
		function removeItem(item:IFileSystemItem):void;
		function getName():String;
		function setName(name:String):void;
		function getParent():IFileSystemItem;
		function setParent(parent:IFileSystemItem):void;
	}
}

这次的例子是和迭代器模式合作，文件有点多……该接口定义了叶子元素和组合元素需要用到的方法。
接下来，自然是实现该接口的类FileSystemItem：

package{
	import IIterator;//PS：第7章的类
	public class FileSystemItem implements IFileSystemItem{
		protected var _parent:IFileSystemItem;
		protected var _name:String;
		public function FileSystemItem(){
		}
		public function iterator():IIterator{
			return null;
		}
		public function addItem(item:IFileSystemItem):void{

		}
		public function removeItem(item:IFileSystemItem):void{

		}
		public function getName():String{
			return _name;
		}
		public function setName(name:String):void{
			_name=name;
		}
		public function getParent():IFileSystemItem{
			return _parent;
		}
		public function setParent(parent:IFileSystemItem):void{
			_parent=parent;
		}
	}
}

这个类没什么好讲的，下边是叶子元素文件类和组合元素目录类：
File.as：

package{
	import FileSystemItem;
	import NullIterator;//PS：第7章的类
	public class File extends FileSystemItem{
		public function File(){}
		override public function iterator():IIterator{
			return new NullIterator();
		}
	}
}

File类只重写了iterator方法，因为File类没有addItem和removeItem方法～
Directory.as：

package{
	import FileSystemItem;
	import ArrayIterator;//PS：第7章的类
	public class Directory extends FileSystemItem{
		private var _items:Array;
		public function Directory(){
			_items=new Array();
		}
		override public function addItem(item:IFileSystemItem):void{
			_items.push(item);
		}
		override public function removeItem(item:IFileSystemItem):void{
			var i:uint;
			for(i=0; i < _items .length;i++){
				if(_items[i]==item){
					_items.splice(i,1);
				}
			}
		}
		override public function iterator():IIterator{
			return new ArrayIterator(_items);
		}
	}
}

Directory类重写了iterator方法，addItem和removeItem方法～
到此，叶子元素和组合元素构建完毕，下边咱开始具体应用，《AAS3WDP-Chapter 8 Composite 组合模式(下)》。

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objectA as BaseClass:
如果一个物件(objectA)属于一种型别(BaseClass),那么返回这个物件,否则返回Null.
if objectA is a type of BaseClass,then return objectA,else return Null.

BaseClass(objectA)为强制转换:
如果一个物件(objectA)属于一种型别(BaseClass),那么返回这个物件,否则报错.
if objectA is a type of BaseClass,then return objectA,else throw an error.

example:
var objectA:MovieClip = new MovieClip();
trace(objectA as MovieClip);//输出:[object MovieClip]
trace(objectA as Shape);//输出: null
trace(MovieClip(objectA));//输出:[object MovieClip]
trace(Shape(objectA));//输出:TypeError: Error #1034: 强制转型失败

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AMFPHP is a free open-source PHP implementation of the Action Message Format(AMF). AMF allows for binary serialization of Action Script (AS2, AS3) native types and objects to be sent to server side services. AMFPHP is challenged with implementing the entire AMF protocol to be an alternative to Flex Data Services (AMF3) and Flash Remoting (AMF0). AMFPHP allows thin client applications built in languages such as Flash, Flex, and AIR to communicate directly with PHP class objects on the server. PHP developers can leverage their PHP experience in server side code development by connecting to data sources such as web-services, databases, and business applications and return that data to the client. Client applications can also offload cpu intensive methods to PHP services and wait for the result set for presentation to the user.......

官方的下载包虽然给了几个Demo，但是都没有操作数据库，刚好学习AMFPHP，做了个Demo，共享下，Demo如下：


下边是代码部分，先来AS的：

//flash跟amfphp通信的简单例子
package {
	import flash.display.MovieClip;
	import fl.events.*;
	import flash.events.*;
	import flash.text.TextField;

	import flash.net.NetConnection;
	import flash.net.Responder;

	public class Main extends MovieClip {
		private var gateway:String = "http://192.168.1.166/flashtest/as2php/amfphp/gateway.php";//amfphp gateway.php文件路径
		private var connection:NetConnection;
		private var responderSet:Responder;
		private var responderGet:Responder;

		public function Main() {
			//注册鼠标事件
			btnSet.addEventListener(MouseEvent.CLICK, setData);
			btnGet.addEventListener(MouseEvent.CLICK, getData);
			//设置responder
			responderSet = new Responder(onResultSet, onFault);
			responderGet = new Responder(onResultGet, onFault);
			connection = new NetConnection;
			//链接gateway
			connection.connect(gateway);
		}

		//发送数据给amfphp
		public function setData(_evt:MouseEvent):void {
			//获取输入框内的数据
			var info1 = txtInput1.text;
			var info2 = txtInput2.text;
			var info3 = txtInput3.text;
			//调用amfphp的函数
			connection.call("EasyAMF.setData", responderSet, info1,info2,info3);
			txtResponse.text = "Sending Data to AMFPHP";
		}

		//接收来自amfphp的数据
		public function getData(_evt:MouseEvent):void {
			connection.call("EasyAMF.getData",responderGet);
			txtResponse.text = "Geting data from AMFPHP";
		}

		//成功调用amfphp函数后的处理函数
		private function onResultSet(result:Object):void {
			txtResponse.text = String(result);
		}

		private function onResultGet(result:Object):void {
			var aryRs:Array=new Array();  //用一个数组来接收返回的记录
            aryRs=result["serverInfo"]["initialData"]; //从数据库中传来的值为何是2维数据其实我也没去看，google来的资料上说这么写～。～
			rsinput1.text=aryRs[0][1]; //显示数据
			rsinput2.text=aryRs[0][2];
			rsinput3.text=aryRs[0][3];
		}

		//调用amfphp函数失败后的处理函数
		private function onFault(fault:Object):void {
			txtResponse.text = String(fault.description);
		}
	}
}

接着是amfphp/services/EasyAMF.php，这部分是简单的SQL语句，就不写注释了：

< ?php
class EasyAMF
{
	public function EasyAMF(){

		 global $host,$dbTable, $dbPass,$dbId;
		 $host = "localhost";
		 $dbId = "root";
		 $dbPass = "";
		 $dbTable = "amfphp";

		 $dblink = mysql_connect($host,$dbId,$dbPass);
		 mysql_select_db($dbTable);
		 mysql_query("SET NAMES UTF8");
		 if(!$dblink)
		 {
				 die('Connection Impossible:' . mysql_error());
		 }
	}
    public function setData($info1,$info2,$info3)
    {
		 $sql="INSERT INTO info (id ,info1 ,info2 ,info3)VALUES (NULL , '$info1', '$info2', '$info3');";
		 $rs=mysql_query($sql);
		 if(!$rs==1){
			return "failed";
		 }else{
			return "success";
		 }
    }
	public function getData()
    {
         $sql="SELECT * FROM info ORDER BY id DESC LIMIT 1";
		 $rs=mysql_query($sql);
		 return $rs;
    }
}
?>

原先在做留言板的时候是准备用Ajax来进行数据交互，不过有了AMFPHP后，就没这个想法了。
源文件地址：http://dl.getdropbox.com/u/477487/flash/EasyAMF.rar

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