PlantUml画时序图

标题
格式： title 标题名
participant
格式：participant 类名 #颜色
例:
@startuml
title Android Broadcast procedure

participant Activity #Lime
participant ContextWrapper #Cyan
@enduml
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消息传递
格式：类1 -> 类2 : 消息
例：
@startuml
title Android Broadcast procedure

participant Activity #Lime
participant ContextWrapper #Cyan

Activity -> ContextWrapper : registerReceiver()
@enduml
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自动编号
加一句话：autonumber

@startuml
title Android Broadcast procedure
participant Activity #Lime
participant ContextWrapper #Cyan
participant ContextImpl #Cyan
participant ActivityManagerService #Cyan
participant ActivityStackSupervisor #Cyan
participant ActivityStack #Cyan
participant ApplicationThreadProxy #Silver
participant InnerReceiver #Magenta
participant ReceiverDispatcher #Magenta
participant BroadcastReceiver #Magenta

autonumber
Activity -> ContextWrapper : registerReceiver()
ContextWrapper -> ContextImpl : registerReceiver()
ContextImpl -> LoadedApk : getReceiverDispatcher()
LoadedApk -> ActivityManagerProxy : registerReceiver()
ActivityManagerProxy -> ActivityManagerService : registerReceiver()

Activity -> ContextWrapper : sendBroadcast()
ContextWrapper -> ContextImpl : sendBroadcast()
ContextImpl -> ActivityManagerService: broadcastIntent()
ActivityManagerService -> ActivityManagerService : broadcastIntentLocked()
ActivityManagerService -> ActivityManagerService : collectReceiverComponents()
ActivityManagerService -> ActivityManagerService : scheduleBroadcastsLocked()
ActivityManagerService -> ActivityManagerService : processNextBroadcast()
ActivityManagerService -> ActivityManagerService : deliverToRegisteredReceiverLocked()
ActivityManagerService -> ActivityManagerService : performReceiveLocked()
ActivityManagerService -> ApplicationThreadProxy : scheduleRegisteredReceiver()
ApplicationThreadProxy -> InnerReceiver : performReceive()
InnerReceiver -> ReceiverDispatcher : performReceive()
ReceiverDispatcher -> BroadcastReceiver : onReceive()

Activity -> ContextWrapper : sendOrderedBroadcast()
ContextWrapper -> ContextImpl : sendOrderedBroadcast()
ContextImpl -> ActivityManagerService: broadcastIntent()
@enduml