本文基于android11
一 audio service
android源码frameworks/base/services/java/com/android/server/SystemServer.java，
普通client或者server在获得servicemanger的proxy对象后,肯定就要使用了。对于server来说，主要是调用addService,向serivceManager注册。而client则是通过serivcemanager查询所需server的信息，然后得到server的proxy对象。
关注ServiceManager.addService和mSystemServiceManager.startService
// Create the system service manager.
mSystemServiceManager = new SystemServiceManager(mSystemContext);
mSystemServiceManager.setStartInfo(mRuntimeRestart,
mRuntimeStartElapsedTime, mRuntimeStartUptime);
LocalServices.addService(SystemServiceManager.class, mSystemServiceManager);
// Start services.
startBootstrapServices();
startCoreServices();
startOtherServices();
ServiceManager.addService(Context.PLATFORM_COMPAT_SERVICE, platformCompat); in startBootstrapServices()
ServiceManager.addService(Context.PLATFORM_COMPAT_NATIVE_SERVICE, in startBootstrapServices()
ServiceManager.addService("sec_key_att_app_id_provider", in startOtherServices()
ServiceManager.addService("scheduling_policy", new SchedulingPolicyService()); in startOtherServices()
ServiceManager.addService("telephony.registry", telephonyRegistry); in startOtherServices()
ServiceManager.addService(Context.TBOX_SERVICE, new TboxService()); in startOtherServices()
ServiceManager.addService(Context.XCALL_SERVICE, new TboxXCallService()); in startOtherServices()
ServiceManager.addService("vibrator", vibrator); in startOtherServices()
ServiceManager.addService("dynamic_system", dynamicSystem); in startOtherServices()
ServiceManager.addService(Context.CONSUMER_IR_SERVICE, consumerIr); in startOtherServices()
ServiceManager.addService(Context.WINDOW_SERVICE, wm, /* allowIsolated= */ false, in startOtherServices()
ServiceManager.addService(Context.INPUT_SERVICE, inputManager, in startOtherServices()
ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); in startOtherServices()
ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); in startOtherServices()
ServiceManager.addService(Context.IPSEC_SERVICE, ipSecService); in startOtherServices()
ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); in startOtherServices()
ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); in startOtherServices()
ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity, in startOtherServices()
ServiceManager.addService( in startOtherServices()
ServiceManager.addService(Context.SYSTEM_UPDATE_SERVICE, in startOtherServices()
ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, in startOtherServices()
ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); in startOtherServices()
ServiceManager.addService(Context.SERIAL_SERVICE, serial); in startOtherServices()
ServiceManager.addService(Context.HARDWARE_PROPERTIES_SERVICE, in startOtherServices()
ServiceManager.addService("diskstats", new DiskStatsService(context)); in startOtherServices()
ServiceManager.addService("runtime", new RuntimeService(context)); in startOtherServices()
ServiceManager.addService("network_time_update_service", networkTimeUpdater); in startOtherServices()
ServiceManager.addService(GraphicsStatsService.GRAPHICS_STATS_SERVICE, in startOtherServices()
ServiceManager.addService(CoverageService.COVERAGE_SERVICE, new CoverageService()); in startOtherServices()
ServiceManager.addService(Context.MEDIA_ROUTER_SERVICE, mediaRouter); in startOtherServices()
ServiceManager.addService(Context.TETHERING_SERVICE, service, in startOtherServices()mSystemServiceManager.startService(FileIntegrityService.class); in startBootstrapServices()
Installer installer = mSystemServiceManager.startService(Installer.class); in startBootstrapServices()
mSystemServiceManager.startService(DeviceIdentifiersPolicyService.class); in startBootstrapServices()
mSystemServiceManager.startService(UriGrantsManagerService.Lifecycle.class); in startBootstrapServices()
ActivityTaskManagerService atm = mSystemServiceManager.startService( in startBootstrapServices()
mActivityManagerService = ActivityManagerService.Lifecycle.startService( in startBootstrapServices()
mDataLoaderManagerService = mSystemServiceManager.startService( in startBootstrapServices()
mPowerManagerService = mSystemServiceManager.startService(PowerManagerService.class); in startBootstrapServices()
mSystemServiceManager.startService(ThermalManagerService.class); in startBootstrapServices()
mSystemServiceManager.startService(RecoverySystemService.Lifecycle.class); in startBootstrapServices()
mSystemServiceManager.startService(LightsService.class); in startBootstrapServices()
mSystemServiceManager.startService(WEAR_SIDEKICK_SERVICE_CLASS); in startBootstrapServices()
mDisplayManagerService = mSystemServiceManager.startService(DisplayManagerService.class); in startBootstrapServices()
mSystemServiceManager.startService(UserManagerService.LifeCycle.class); in startBootstrapServices()
mSystemServiceManager.startService(new OverlayManagerService(mSystemContext)); in startBootstrapServices()
mSystemServiceManager.startService(new SensorPrivacyService(mSystemContext)); in startBootstrapServices()
mSystemServiceManager.startService(SystemConfigService.class); in startCoreServices()
mSystemServiceManager.startService(BatteryService.class); in startCoreServices()
mSystemServiceManager.startService(UsageStatsService.class); in startCoreServices()
mWebViewUpdateService = mSystemServiceManager.startService(WebViewUpdateService.class); in startCoreServices()
mSystemServiceManager.startService(CachedDeviceStateService.class); in startCoreServices()
mSystemServiceManager.startService(BinderCallsStatsService.LifeCycle.class); in startCoreServices()
mSystemServiceManager.startService(LooperStatsService.Lifecycle.class); in startCoreServices()
mSystemServiceManager.startService(ROLLBACK_MANAGER_SERVICE_CLASS); in startCoreServices()
mSystemServiceManager.startService(BugreportManagerService.class); in startCoreServices()
mSystemServiceManager.startService(GpuService.class); in startCoreServices()
mSystemServiceManager.startService(KeyChainSystemService.class); in startOtherServices()
mSystemServiceManager.startService(TelecomLoaderService.class); in startOtherServices()
mSystemServiceManager.startService(ACCOUNT_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(CONTENT_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(DropBoxManagerService.class); in startOtherServices()
mSystemServiceManager.startService(new AlarmManagerService(context)); in startOtherServices()
mSystemServiceManager.startService(VrManagerService.class); in startOtherServices()
mSystemServiceManager.startService(BluetoothService.class); in startOtherServices()
mSystemServiceManager.startService(IpConnectivityMetrics.class); in startOtherServices()
mSystemServiceManager.startService(NetworkWatchlistService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(PinnerService.class); in startOtherServices()
mSystemServiceManager.startService(IorapForwardingService.class); in startOtherServices()
mSystemServiceManager.startService(AppIntegrityManagerService.class); in startOtherServices()
mSystemServiceManager.startService( in startOtherServices()
mSystemServiceManager.startService(InputMethodManagerService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(ACCESSIBILITY_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(STORAGE_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(STORAGE_STATS_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(UiModeManagerService.class); in startOtherServices()
mSystemServiceManager.startService(LOCK_SETTINGS_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(PersistentDataBlockService.class); in startOtherServices()
mSystemServiceManager.startService(TestHarnessModeService.class); in startOtherServices()
mSystemServiceManager.startService(OemLockService.class); in startOtherServices()
mSystemServiceManager.startService(DEVICE_IDLE_CONTROLLER_CLASS); in startOtherServices()
mSystemServiceManager.startService(DevicePolicyManagerService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(APP_PREDICTION_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(CONTENT_SUGGESTIONS_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(TextServicesManagerService.Lifecycle.class); in startOtherServices()
startService(TextClassificationManagerService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(NetworkScoreService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(LOWPAN_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(ETHERNET_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(NotificationManagerService.class); in startOtherServices()
mSystemServiceManager.startService(DeviceStorageMonitorService.class); in startOtherServices()
mSystemServiceManager.startService(LocationManagerService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(TIME_DETECTOR_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(TIME_ZONE_DETECTOR_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(SEARCH_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(WALLPAPER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(AudioService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(className + "$Lifecycle"); in startOtherServices()
mSystemServiceManager.startService(SoundTriggerMiddlewareService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(BroadcastRadioService.class); in startOtherServices()
mSystemServiceManager.startService(DockObserver.class); in startOtherServices()
mSystemServiceManager.startService(THERMAL_OBSERVER_CLASS); in startOtherServices()
mSystemServiceManager.startService(MIDI_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(ADB_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(USB_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(TwilightService.class); in startOtherServices()
mSystemServiceManager.startService(ColorDisplayService.class); in startOtherServices()
mSystemServiceManager.startService(JOB_SCHEDULER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(SoundTriggerService.class); in startOtherServices()
mSystemServiceManager.startService(TrustManagerService.class); in startOtherServices()
mSystemServiceManager.startService(BACKUP_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(APPWIDGET_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(new RoleManagerService( in startOtherServices()
mSystemServiceManager.startService(VOICE_RECOGNITION_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(GestureLauncherService.class); in startOtherServices()
mSystemServiceManager.startService(SensorNotificationService.class); in startOtherServices()
mSystemServiceManager.startService(ContextHubSystemService.class); in startOtherServices()
mSystemServiceManager.startService(TIME_ZONE_RULES_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(EmergencyAffordanceService.class); in startOtherServices()
mSystemServiceManager.startService(BLOB_STORE_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(DreamManagerService.class); in startOtherServices()
mSystemServiceManager.startService(PRINT_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(COMPANION_DEVICE_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(RestrictionsManagerService.class); in startOtherServices()
mSystemServiceManager.startService(MediaSessionService.class); in startOtherServices()
mSystemServiceManager.startService(HdmiControlService.class); in startOtherServices()
mSystemServiceManager.startService(TvInputManagerService.class); in startOtherServices()
mSystemServiceManager.startService(TunerResourceManagerService.class); in startOtherServices()
mSystemServiceManager.startService(MediaResourceMonitorService.class); in startOtherServices()
mSystemServiceManager.startService(TvRemoteService.class); in startOtherServices()
mSystemServiceManager.startService(FaceService.class); in startOtherServices()
mSystemServiceManager.startService(IrisService.class); in startOtherServices()
mSystemServiceManager.startService(FingerprintService.class); in startOtherServices()
mSystemServiceManager.startService(BiometricService.class); in startOtherServices()
mSystemServiceManager.startService(AuthService.class); in startOtherServices()
mSystemServiceManager.startService(ShortcutService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(LauncherAppsService.class); in startOtherServices()
mSystemServiceManager.startService(CrossProfileAppsService.class); in startOtherServices()
mSystemServiceManager.startService(PeopleService.class); in startOtherServices()
mSystemServiceManager.startService(MediaProjectionManagerService.class); in startOtherServices()
mSystemServiceManager.startService(WEAR_POWER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(WEAR_CONNECTIVITY_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(WEAR_DISPLAY_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(WEAR_TIME_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(WEAR_LEFTY_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(WEAR_GLOBAL_ACTIONS_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(SLICE_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(CameraServiceProxy.class); in startOtherServices()
mSystemServiceManager.startService(IOT_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(STATS_PULL_ATOM_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(IncidentCompanionService.class); in startOtherServices()
mmsService = mSystemServiceManager.startService(MmsServiceBroker.class); in startOtherServices()
mSystemServiceManager.startService(AUTO_FILL_MANAGER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(ClipboardService.class); in startOtherServices()
mSystemServiceManager.startService(AppBindingService.Lifecycle.class); in startOtherServices()
mSystemServiceManager.startService(PermissionPolicyService.class); in startOtherServices()
mSystemServiceManager.startService(className); in startOtherServices()
mSystemServiceManager.startService(CAR_SERVICE_HELPER_SERVICE_CLASS); in startOtherServices()
mSystemServiceManager.startService(QisiServiceHelperService.class); in startOtherServices()
mSystemServiceManager.startService(QisiSystemManagerService.class); in startOtherServices()
mSystemServiceManager.startService(SYSTEM_CAPTIONS_MANAGER_SERVICE_CLASS); in startSystemCaptionsManagerService()
mSystemServiceManager.startService(CONTENT_CAPTURE_MANAGER_SERVICE_CLASS); in startContentCaptureService()
mSystemServiceManager.startService(AttentionManagerService.class); in startAttentionService()
二 car audio service
framework java层
public CarAudioManager(Car car, IBinder service) {
mService = ICarAudio.Stub.asInterface(service);}-----bp，调用服务
public class CarAudioService extends ICarAudio.Stub implements CarServiceBase ---bn提供服务
public class AppFocusService extends IAppFocus.Stub implements CarServiceBase,BinderInterfaceContainer.BinderEventHandler<IAppFocusOwnershipCallback>
public class CarBluetoothService extends ICarBluetooth.Stub implements CarServiceBase
public class CarMediaService extends ICarMedia.Stub implements CarServiceBase
public final class CarUserService extends ICarUserService.Stub implements CarServiceBase
CarLocalServices.addService(CarFeatureController.class, mFeatureController); in ICarImpl()
CarLocalServices.addService(CarPowerManagementService.class, mCarPowerManagementService); in ICarImpl()
CarLocalServices.addService(CarPropertyService.class, mCarPropertyService); in ICarImpl()
CarLocalServices.addService(CarUserService.class, mCarUserService); in ICarImpl()
CarLocalServices.addService(CarTrustedDeviceService.class, mCarTrustedDeviceService);
CarLocalServices.addService(CarUserNoticeService.class, mCarUserNoticeService);
CarLocalServices.addService(SystemInterface.class, mSystemInterface); in ICarImpl()
CarLocalServices.addService(CarDrivingStateService.class, mCarDrivingStateService);
CarLocalServices.addService(PerUserCarServiceHelper.class, mPerUserCarServiceHelper);
CarLocalServices.addService(FixedActivityService.class, mFixedActivityService);
CarLocalServices.addService(VmsBrokerService.class, mVmsBrokerService); in ICarImpl()
CarLocalServices.addService(CarOccupantZoneService.class, mCarOccupantZoneService);
CarLocalServices.addService(AppFocusService.class, mAppFocusService); in ICarImpl()framework native层
/frameworks/av/media/libaudioclient/IAudioFlinger.cpp
class BpAudioFlingerClient : public BpInterface<IAudioFlingerClient>
class BpAudioFlinger : public BpInterface<IAudioFlinger>-----bp
class AudioFlinger :public BinderService<AudioFlinger>,public BnAudioFlinger---bn
class AudioPolicyService :public BinderService<AudioPolicyService>,
public BnAudioPolicyService,public IBinder::DeathRecipient
class CameraService :public BinderService<CameraService>,
public virtual ::android::hardware::BnCameraService,
public virtual IBinder::DeathRecipient,public virtual CameraProviderManager::StatusListener
class MediaExtractorService : public BinderService<MediaExtractorService>, public BnMediaExtractorService
class MediaLogService : public BinderService<MediaLogService>, public BnMediaLogService
class AAudioService :public BinderService<AAudioService>,public BnAAudioService,
public aaudio::AAudioServiceInterface
class NetdNativeService : public BinderService<NetdNativeService>, public BnNetd
class VRAudioServiceNative :public BinderService<VRAudioServiceNative>,
public BnVRAudioService