【从源码看Android】03Android MessageQueue消息循环处理机制(epoll实现)
1enqueueMessagehandler发送一条消息mHandler.sendEmptyMessage(1);经过层层调用,进入到sendMessageAtTime函数块,最后调用到enqueueMessageHandler.javapublicbooleansendMessageAtTime(Messagemsg,longuptimeMillis){MessageQueuequeue=mQu