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React-Native中的DeviceEventEmitter

React-Native中的DeviceEventEmitter

作者: 孙焱 | 来源:发表于2021-05-28 17:15 被阅读0次

react-native中采用了DeviceEventEmitter来实现对事件的监听,实现非父子关系的页面之间的通信。具体来说,我们可以在一个页面中通过DeviceEventEmitter来对特定名称的事件进行监听,此后每当其它位置发送该名称的事件,都会触发这个监听的响应并执行对应的函数。

DeviceEventEmitter优点在于一次注册多次响应,并且注册后的监听事件是全局性的。不仅如此,通过DeviceEventEmitter还可以与原生模块进行交互。

https://www.cnblogs.com/PureMan6/p/10888890.html#:~:text=react-native%E4%B8%AD%E9%87%87%E7%94%A8%E4%BA%86DeviceEventEmitter%E6%9D%A5%E5%AE%9E%E7%8E%B0%E5%AF%B9%E4%BA%8B%E4%BB%B6%E7%9A%84%E7%9B%91%E5%90%AC%EF%BC%8C%E5%AE%9E%E7%8E%B0%E9%9D%9E%E7%88%B6%E5%AD%90%E5%85%B3%E7%B3%BB%E7%9A%84%E9%A1%B5%E9%9D%A2%E4%B9%8B%E9%97%B4%E7%9A%84%E9%80%9A%E4%BF%A1%E3%80%82,%E5%85%B7%E4%BD%93%E6%9D%A5%E8%AF%B4%EF%BC%8C%E6%88%91%E4%BB%AC%E5%8F%AF%E4%BB%A5%E5%9C%A8%E4%B8%80%E4%B8%AA%E9%A1%B5%E9%9D%A2%E4%B8%AD%E9%80%9A%E8%BF%87DeviceEventEmitter%E6%9D%A5%E5%AF%B9%E7%89%B9%E5%AE%9A%E5%90%8D%E7%A7%B0%E7%9A%84%E4%BA%8B%E4%BB%B6%E8%BF%9B%E8%A1%8C%E7%9B%91%E5%90%AC%EF%BC%8C%E6%AD%A4%E5%90%8E%E6%AF%8F%E5%BD%93%E5%85%B6%E5%AE%83%E4%BD%8D%E7%BD%AE%E5%8F%91%E9%80%81%E8%AF%A5%E5%90%8D%E7%A7%B0%E7%9A%84%E4%BA%8B%E4%BB%B6%EF%BC%8C%E9%83%BD%E4%BC%9A%E8%A7%A6%E5%8F%91%E8%BF%99%E4%B8%AA%E7%9B%91%E5%90%AC%E7%9A%84%E5%93%8D%E5%BA%94%E5%B9%B6%E6%89%A7%E8%A1%8C%E5%AF%B9%E5%BA%94%E7%9A%84%E5%87%BD%E6%95%B0%E3%80%82

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