android automotive powermanagement结构

IVehicle.Proxy

CarApi

SystemInterface

getDefault()setDisplayState(boolean on);releaseAllWakeLocks();shutdown();enterDeepSleep(int wakeupTimeSec);switchToPartialWakeLock();switchToFullWakeLock();startDisplayStateMonitoring();stopDisplayStateMonitoring();isSystemSupportingDeepSleep();isWakeupCausedByTimer();

IVehicle.Stub

IVehicleCallback.Stub

HalServiceBase

ICar

+ IBinder: getCarService+ int: getCarConnectionType

VehicleHal

-xxxxHalService-mHalClient: HalClient

1..*

ICar.Stub.Proxy

1..1

Hardware Interface/automotive/vehicle

SystemInterfaceImpl

mPowerManager:PowerManagermDisplayManager: DisplayManagermFullWeakLock:WeaklockmPartialWakeLock:WeakLockmService:CarPowerManagementServicemDisplayListener:mDisplayState

ICarImpl

- CarxxxxService- mHal: mVechileHal- mAllServices: CarServiceBase[]

其中 mVehicle 对应 vechileHal，来自于：android.hardware.automotive.vehicle.V2_0.IVehicle .getService();将会被传递与mICarImpl中使用

MockedVehicleHal

HalClient

mVehicle:IVechile.ProxymInternalCallback:IVehicleCallback.Stub

Car

getCarManager(String serviceName)

Car 是整个automotive的 api的管理入口，其中：mService 是ICarImpl的客户端mServiceMap 在客户端缓存各种CarManagergetCarManager 通过名字获取并缓存对应的各种服务的manager

CarServiceBase

init();release();vehicleHalReconnected() dump(PrintWriter writer)

PowerHalService.PowerEventListener

onApPowerStateChange(PowerState state)onDisplayBrightnessChange(int brightness)

ICar.Stub

CarPowerManagementService

- mHal：PowerHalService- mSystemInterface: SystemInterface

CarService

mICarImpl:ICarImplmVehicle:IVehicle.Proxy

CarEmulator

mHalEmulator:MockedVehicleHal

（ 1 ，1..*）

PowerHalService

mHal:VehicleHal

IVehicle

getAllPropConfigs()get(VehiclePropValue requestedPropValue)set(VehiclePropValue propValue)subscribeunsubscribe