Android中USB相关的文件

a) frameworks/base/core/java/android/hardware/usb/*Provides support to communicate with USB hardware peripherals that are connected to Android-powered devices.https://developer.android.google.cn/reference/android/hardware/usb/package-summary.htmlb) frameworks/base/libs/usb/*获取UsbManager和UsbAccessory类的一些实例。c) frameworks/base/services/usb/*Usb服务框架（重要）d) frameworks/base/packages/SystemUI/src/com/android/systemui/usb/*各种activity.e) hardware/interfaces/usb/* （Android O 及以上版本） android.hardware.usb@1.0内容见 https://source.android.google.cn/reference/hidl/android/hardware/usb/1.0/IUsbhttps://source.android.google.cn/devices/tech/config/usb-half)kernel/driver/usb/*内核驱动…………