广播的发送和接收
2016-12-06 16:45:38 0 举报广播是一种通过无线电波或导线传送声音、图像和数据的通信方式。发送端将信息编码后，通过特定的频率发射出去，接收端设备在相同频率上接收并解码，从而获取信息。广播具有广泛的覆盖范围，可以实现一对多的传播，适用于新闻、音乐、教育等多种场景。随着技术的发展，数字广播和网络广播逐渐成为主流，提供了更高质量的音频和丰富的互动功能。
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public class LoadApk{ ...... static final class ReceiverDispatcher {\t\t...... final static class InnerReceiver extends IIntentReceiver.Stub {\t\t\t......\t\t}\t}}
scheduleBroadcastsLocked
ApplicationThread
ActivityManagerService
broadcastIntentLocked
BroadcastQueue
performReceive
run
public void sendBroadcast(Intent intent) { mBase.sendBroadcast(intent); }
ContextImpl
broadcastIntent
Activity
mBase.sendBroadcast
scheduleRegisteredReceiver
LoadedApk.ReceiverDispatcher
sendBroadcast
发送 BROADCAST_INTENT_MSG消息
processNextBroadcast
LoadedApk.Args
LoadedApk.ReceiverDispatcher.InnerReceiver
performReceiveLocked
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