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public interface AsyncWorkIF {    public Object excute(Map
   
     map);    }public class AsyncWorkHandler extends Handler implements AsyncWorkIF{                  private static Looper sLooper = null;           private WorkerHandler mWorkerHanler ;              protected final class WorkerArgs{        Handler handler;           Map
    
      map;    }           public AsyncWorkHandler(){        synchronized (AsyncQueryHandler.class) {            if (sLooper == null) {                HandlerThread thread = new HandlerThread("AsyncWorkHandler");                   thread.start();                   sLooper = thread.getLooper();               }           }        mWorkerHanler = new WorkerHandler(sLooper);       }      /**     * 获取结果并发送至消息     * @param bean     */    public void doWork(Map
     
       map){        Message msg = mWorkerHanler.obtainMessage();        WorkerArgs workArgs = new WorkerArgs();           workArgs.handler = this;        workArgs.map = map;        msg.obj = workArgs;         mWorkerHanler.sendMessage(msg);    }              /**     * 得到消息，需要重写     */    @Override      public void handleMessage(Message msg){}    /**       * 实际执行方法     */     @Override    public Object excute(Map
      
        map) {        return null;    }          protected class WorkerHandler extends Handler {                public WorkerHandler(Looper looper) {               super(looper);           }                @Override          public void handleMessage(Message msg) {                         WorkerArgs args = (WorkerArgs) msg.obj;                          Map
       
         quest_map = args.map;                        Object obj = excute(quest_map);//调用excute方法执行某个操作                           Message result = args.handler.obtainMessage();                           result.obj = obj;                           result.sendToTarget();//发送消息至目标           }                  }   } 
       
      
     
    
   

注意：

  1. AsyncWorkHandler的子类有成员WorkerHandler，新建一个线程来初始化WorkerHandler的looper

  2. AsyncWorkHandler的子类通过调用doWork(Map<String,String> map)来启动整个异步操作

 3. AsyncWorkHandler的子类将doWork的参数传递到WorkerHandler的handleMessage中，然后WorkerHandler的handleMessage开始调用父类（AsyncWorkHandler的子类）的 Object obj = excute(quest_map); 将结果获取后，再通过result.sendToTarget()传递到父类（AsyncWorkHandler的子类）的HandleMessage函数。

举例：

//初始化信息        AsyncWorkHandler asyncQueryHandler = new AsyncWorkHandler(){    		            @Override            public Object excute(Map
   
     map) {            	HotProductBean bean = CacheManager.getInstance().getHostProductBean();            	                if(bean==null){                	bean = ProductAction.getHotProduct();                }                            	return bean;            	            }                        @Override            public void handleMessage(Message msg) {            	            	if(msg.obj!=null){            		            		HotProductBean bean = (HotProductBean)msg.obj;            		            		if("true".equals(bean.getResult())){                    	                    	popFileList = bean.getPopFileList();                    	promFileList = bean.getPromFileList();                    	                    	int popSize = popFileList.size();                    	                    	adapter_gallery_center = new IndexImageAdapter(_context,popFileList);                    	adapter_gallery_bottom = new IndexBottomAdapter(_context,promFileList);                    	                    	//初始化5个分页的点，若过多怎么弄？                    	point_count = popSize;                    	for(int i = 0 ; i < point_count ; i++){                    		View template = inflater.inflate(R.layout.coin, null);                    		gallery_center_point.addView(template);  //得到N个点，用于展示几个热点信息的，点图片处于信息下面                    	}                    	if(gallery_center_point.getChildCount() > 0){                    		LinearLayout coin_layout = (LinearLayout)gallery_center_point.getChildAt(0);                    		ImageView child_first = (ImageView)coin_layout.getChildAt(0);                    		child_first.setImageResource(R.drawable.index_body_coin2);                    	}                    	                        gallery_center.setAdapter(adapter_gallery_center);//设置图片适配器                        gallery_bottom.setAdapter(adapter_gallery_bottom);                                                gallery_center.setOnItemSelectedListener(osSelectedListener);                        gallery_bottom.setOnItemSelectedListener(osSelectedListener);                                                removeDialog(Const.PROGRESSBAR_WAIT);                                            	_intent.putExtra("status", true);                        //开启多个线程去拉取图片------begin                        for(int i = 0; i < popSize; i++){                        	                        	final String id = popFileList.get(i).getId();                        	final String image_url = ImageUtil.getPicUrl(popFileList.get(i).getCoverImage(),2);                        	                        	BitmapDownloaderTask task = new BitmapDownloaderTask(image_url){                        		                        		@Override                        		protected Bitmap doInBackground(String... params) {                        			Bitmap bm = CacheManager.getInstance().getBitmap(id);                        			if(bm==null){                        				bm = ImageUtil.getBitmap(image_url);                        			}                        			return bm;                        		}                        		                        		@Override                        		protected void onPostExecute(Bitmap bm) {                        			if(isCancelled()){                        				bm = null;                        			}                        			if(bm!=null){                                		if(!CacheManager.getInstance().getBitmap_Map().containsKey(id)){                                			CacheManager.getInstance().putBitmap(id, bm);                                		}                                		adapter_gallery_center.notifyDataSetChanged();                                	}                        		}                        	};                        	task.execute("");                        }                        //开启多个线程去拉取图片------end                    }else{                    	Toast.makeText(_context, "信息不存在,请选择其它商品查看！", Toast.LENGTH_SHORT).show();                    }            		            	}else{            		Toast.makeText(_context, "网络不稳定,请检查您的网络状态！", Toast.LENGTH_SHORT).show();            	}            	            	removeDialog(Const.PROGRESSBAR_WAIT);				            }                    };        showDialog(Const.PROGRESSBAR_WAIT);    	asyncQueryHandler.doWork(new HashMap
    
     ()); //开始执行，进行调用excute得到热点信息bean，然后通过基类的机制，发给handleMessage(Message msg)处理。
    
   

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