45. データのやりとりをする 準備
val usbAccessory: UsbAccessory? =
intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY
)
val usbManager =
getSystemService(Context.USB_SERVICE) as UsbManager
46. データのやりとりをする 準備
val usbAccessory: UsbAccessory? =
intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY
)
val usbManager =
getSystemService(Context.USB_SERVICE) as UsbManager
val parcelFileDescriptor =
usbManager.openAccessory(usbAccessory)
val fileDescriptor =
parcelFileDescriptor.fileDescriptor
47. データのやりとりをする 準備
val usbAccessory: UsbAccessory? =
intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY
)
val usbManager =
getSystemService(Context.USB_SERVICE) as UsbManager
val parcelFileDescriptor =
usbManager.openAccessory(usbAccessory)
val fileDescriptor =
parcelFileDescriptor.fileDescriptor
val usbInputStream = FileInputStream(fileDescriptor)
val usbOutputStream =
FileOutputStream(fileDescriptor)