Android的BroadcastReceivers是否在一个新线程中启动？ | Android的BroadcastReceivers是否在一个新

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问题描述

如果我有一个内部类，扩展 BroadcastReceiver 在我的服务类中，我应该关心同步， BroadcastReceiver 类从 Service 类读取/写入对象？
或者换句话说： BroadacstReceiver 的 onReceive（）线程？

If I have an inner class that extends BroadcastReceiver within my Service class, should I care about synchronization, when the BroadcastReceiver class reads/writes to objects from the Service class?Or to put it in another way: Are BroadacstReceiver's onReceive() Methods started in an extra thread?

推荐答案

onReceive（）方法总是在主线程（也称为UI线程），除非你使用registerReceiver（）变量来请求它在不同的线程上调度：

The onReceive() method is always called on the main thread (which is also referred to as "UI thread"), unless you requested it to be scheduled on a different thread using the registerReceiver() variant:

Context.registerReceiver(BroadcastReceiver receiver,
                         IntentFilter filter,
                         String broadcastPermission,
                         Handler scheduler)

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