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        上篇文章介绍了CarPropertyService 的使用，这一篇我们来看一下 Android Automotive OS  中一些子模块如何使用 CarPropertyManager。

一、管理器调用

 ICarImpl

源码位置：/packages/services/Car/service/src/com/android/car/ICarImpl.java

@Override
public IBinder getCarService(String serviceName) {……switch (serviceName) {……           case Car.CABIN_SERVICE:case Car.HVAC_SERVICE:case Car.INFO_SERVICE:case Car.PROPERTY_SERVICE:case Car.SENSOR_SERVICE:case Car.VENDOR_EXTENSION_SERVICE:return mCarPropertyService;……default:IBinder service = null;if (mCarExperimentalFeatureServiceController != null) {service = mCarExperimentalFeatureServiceController.getCarService(serviceName);}if (service == null) {Log.w(CarLog.TAG_SERVICE, "getCarService for