java.lang.RuntimeException: Unable to start activity ComponentInfo{it.dueelleautomazione.plcmon/it.dueelleautomazione.plcmon.LockActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.andrognito.pinlockview.PinLockView.setPinLockListener(com.andrognito.pinlockview.PinLockListener)' on a null object reference

Stack Overflow | Manisha Bhatt | 4 months ago
  1. 0

    Application Getting Crashed

    Stack Overflow | 4 months ago | Manisha Bhatt
    java.lang.RuntimeException: Unable to start activity ComponentInfo{it.dueelleautomazione.plcmon/it.dueelleautomazione.plcmon.LockActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.andrognito.pinlockview.PinLockView.setPinLockListener(com.andrognito.pinlockview.PinLockListener)' on a null object reference
  2. 0
    Use 'dialog' to access views from custom_layout layout.
  3. 0
    The resource was accessed after it was dismissed.
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  5. 0
    Initialize the variable before calling a method on it.
  6. 0
    The parsed JSON does not contains the requested field.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void com.andrognito.pinlockview.PinLockView.setPinLockListener(com.andrognito.pinlockview.PinLockListener)' on a null object reference

      at it.dueelleautomazione.plcmon.LockActivity.onCreate()
    2. it.dueelleautomazione.plcmon
      LockActivity.onCreate
      1. it.dueelleautomazione.plcmon.LockActivity.onCreate(LockActivity.java:42)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.app.Activity.performCreate(Activity.java:6904)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1136)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3266)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3415)
      5. android.app.ActivityThread.access$1100(ActivityThread.java:229)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821)
      7. android.os.Handler.dispatchMessage(Handler.java:102)
      8. android.os.Looper.loop(Looper.java:148)
      9. android.app.ActivityThread.main(ActivityThread.java:7325)
      9 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames