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

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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
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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
at it.dueelleautomazione.plcmon.LockActivity.onCreate(LockActivity.java:42)
at android.app.Activity.performCreate(Activity.java:6904)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1136)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3266)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3415)
at android.app.ActivityThread.access$1100(ActivityThread.java:229)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:7325)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)

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