android handler与线程

http://www.cnblogs.com/devinzhang/archive/2011/12/30/2306980.html

http://blog.csdn.net/fenghome/article/details/5675421


附加:

 自己对handler的理解,hanlder是异步回调处理接口,类似web的ajax, handler有两个主要功能:

1.post线程(Runnable不是thread)  Handler,post(Runnable runnable); 把线程放到消息队列Causes the Runnable r to be added to the message queue.  post线程通常用法,如改变UI

2.回调处理数据   sendMessage           Handler.sendMessage(Message msg),  类似ajax回调data处理,Pushes a message onto the end of the message queue after all pending messages before the current time.








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