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  • UsbSerialDevice Null Pointer
    via GitHub by rledford
    • java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference at android.hardware.usb.UsbRequest.dequeue( at android.hardware.usb.UsbDeviceConnection.requestWait( at com.felhr.usbserial.UsbSerialDevice$
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