『翻译』Android USB Host
USB Host When your Android-powered device is in USB host mode, it acts as the USB host, powers the bus, and enumerates connected USB devices. USB host mode is supported in Android 3.1 and higher. 当您的Android设备处于USB主机模式时,它充当USB主机,为总线供电,并枚举连接的USB设备。Android 3.1及更高版本支持USB主机模式。 API Overview Before you begin, it is important to understand the classes that you need to work with. The following table describes the USB host APIs in the android.hardware.usb package. 在开始之前,你要理解你所要使用的类是非常重要的。以下表格描述了 android.hardware.usb 包中的 USB主机模式API。 Table 1. USB Host APIs Class Description UsbManager Allows you to