一、背景为了解决应卡顿，分析耗时。二、原理Looper中的loop方法：publicstaticvoidloop(){...for(;;){...//Thismustbeinalocalvariable,incaseaUIeventsetstheloggerPrinterlogging=me.mLogging;if(logging!=null){logging.println(">>>>>Dispatchingto"+msg.target+""+msg.callback+":"+msg.what);}msg.target.dispatchMessage(msg);if(logging!=nul
