Handler的作用与用法，handler在Thread中传递，Activity像service 传递信息：使用广播

ZhangJiQun&MXP 发布时间：2019-01-15 22:22:44 ，浏览量：1

Handler的作用与用法

1.什么是handler?

2.什么是MessageQueue和Looper

3.为什么使用handler，MessageQueue，Looper？

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Handler的作用与用法，handler在Thread中传递，Activity像service 传递信息：使用广播

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