02 2021 档案
摘要:一、MessageQueue介绍 /** * Low-level class holding the list of messages to be dispatched by a * {@link Looper}. Messages are not added directly to a Messa
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摘要:一、Message定义 Message类官方介绍如下: /** * User-defined message code so that the recipient can identify * what this message is about. Each {@link Handler} has
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