java.lang.NullPointerException: Attempt to invoke virtual method 'void com.umitkas.contacts.ContactUtility.updateContact(java.lang.String, java.lang.String, java.lang.String, boolean, int)' on a null object reference

Stack Overflow | umtkas | 5 months ago
  1. 0

    Android Sqlite Updating

    Stack Overflow | 5 months ago | umtkas
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.umitkas.contacts.ContactUtility.updateContact(java.lang.String, java.lang.String, java.lang.String, boolean, int)' on a null object reference
  2. 0

    Code Error: AndroidRuntime:FATAL EXCEPTION:main

    Stack Overflow | 7 months ago | ashish verma
    java.lang.NullPointerException: Attempt to invoke virtual method boolean com.example.averm.contactmanager.DatabaseHelper.addData(java.lang.String, int, java.lang.String)' on a null object reference
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    java.lang.NullPointerException: Attempt to invoke virtual method 'void org.eclipse.paho.android.service.MqttService.subscribe(java.lang.String, java.lang.String, int, java.lang.String, java.lang.String)' on a null object reference

    GitHub | 7 months ago | dmsherazi
    java.lang.NullPointerException: Attempt to invoke virtual method 'void org.eclipse.paho.android.service.MqttService.subscribe(java.lang.String, java.lang.String, int, java.lang.String, java.lang.String)' on a null object reference
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  5. 0

    Getting nullpointerexception while subscribing mqtt connection?

    Stack Overflow | 6 months ago | Prince Patel
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.psstronic.MqttService.subscribe(java.lang.String, java.lang.String, int, java.lang.String, java.lang.String)' on a null object reference
  6. 0

    java.lang.NullPointerException: Attempt to invoke virtual method 'void org.eclipse.paho.android.service.MqttService.subscribe(java.lang.String, java.lang.String, int, java.lang.String, java.lang.String)' on a null object reference

    GitHub | 6 months ago | dmsherazi
    java.lang.NullPointerException: Attempt to invoke virtual method 'void org.eclipse.paho.android.service.MqttService.subscribe(java.lang.String, java.lang.String, int, java.lang.String, java.lang.String)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void com.umitkas.contacts.ContactUtility.updateContact(java.lang.String, java.lang.String, java.lang.String, boolean, int)' on a null object reference

      at com.umitkas.contacts.UpdateContactActivity$2.onClick()
    2. com.umitkas.contacts
      UpdateContactActivity$2.onClick
      1. com.umitkas.contacts.UpdateContactActivity$2.onClick(UpdateContactActivity.java:95)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5198)
      2. android.view.View$PerformClick.run(View.java:21147)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:148)
      6. android.app.ActivityThread.main(ActivityThread.java:5417)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit$MethodAndArgsCaller.run
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      1 frame