【转载】BroadcastReceiver广播的注册、发送和接收过程分析

本文转载于 ：https://blog.csdn.net/u011810352/article/details/79642122

一、广播注册过程
ContextWrapper.registerReceiver
ContextImpl.registerReceiver---registerReceiverInternal--
    LoadedApk.ReceiverDispatcher
    ActivityManagerService.registerReceiver

二、广播的发送和接收过程
可分如下三步：
    1.从发送者到AMS
    2.从AMS到ApplicationThread
    3.从ApplicationThread到接收者
-------------
ContextWrapper的sendBroadcast---
ContextImpl.sendBroadcast---
ActivityManagerService.broadcastIntent---
    BroadcastQueue.enqueueParallelBroadcastLocked
    BroadcastQueue.scheduleBroadcastsLocked---
        BroadcastHandler.processNextBroadcast--deliverToRegisteredReceiverLocked---scheduleRegisteredReceiver
            ApplicationThread.scheduleRegisteredReceiver--
                ---LoadedApk.ReceiverDispatcher.performReceive---LoadedApk.ReceiverDispatcher.Args.getRunnable 里面会回调receiver.onReceive