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usbmanager

  1. L

    Apps usbManager.getDeviceList() returns empty list after boot

    I'm developing small android app using android studio and java. App have to write to serial port of connected Arduino. There is no issues with connection to device once otg cable plugged, but if I reboot the phone while cable is plugged app unable to establish connection. It turned that...
  2. M

    USB comms between Tablet and Ubuntu PC Exception

    Hi I have an Ubuntu laptop and a Android 9 Tablet (Samsung Active 2). The tablet is connected to the laptop with FTDI connectors and a NULL cable. The code to connect to the laptop through the FTDI connectors and NULL cable is below: import android.hardware.usb.UsbDevice; import...
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