java.lang.NullPointerException: Attempt to invoke interface method 'android.hardware.usb.UsbDevice com.hoho.android.usbserial.driver.UsbSerialDriver.getDevice()' on a null object reference

GitHub | FineTralfazz | 6 months ago
  1. 0

    Crash when attempting to open a connection

    GitHub | 6 months ago | FineTralfazz
    java.lang.NullPointerException: Attempt to invoke interface method 'android.hardware.usb.UsbDevice com.hoho.android.usbserial.driver.UsbSerialDriver.getDevice()' on a null object reference
  2. 0

    GitHub comment 65#272455689

    GitHub | 1 week ago | gregor-srdic
    java.lang.NullPointerException: Attempt to invoke interface method 'android.hardware.usb.UsbDevice com.hoho.android.usbserial.driver.UsbSerialDriver.getDevice()' on a null object reference
  3. 0
    Initialize the variable before calling a method on it.
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  5. 0
    Use 'dialog' to access views from custom_layout layout.
  6. 0
    The resource was accessed after it was dismissed.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke interface method 'android.hardware.usb.UsbDevice com.hoho.android.usbserial.driver.UsbSerialDriver.getDevice()' on a null object reference

      at fr.drangies.cordova.serial.Serial$3.run()
    2. fr.drangies.cordova
      Serial$3.run
      1. fr.drangies.cordova.serial.Serial$3.run(Serial.java:226)
      1 frame
    3. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames