java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.anubh.contactsearch/com.example.anubh.contactsearch.MainActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'boolean java.util.List.add(java.lang.Object)' on a null object reference

Stack Overflow | Anubhav | 2 months ago
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    Stack Overflow | 2 months ago | Anubhav
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.anubh.contactsearch/com.example.anubh.contactsearch.MainActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'boolean java.util.List.add(java.lang.Object)' on a null object reference
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    Stack Overflow | 8 months ago | user3599428
    java.lang.RuntimeException: An error occurred while executing doInBackground()
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    GitHub | 2 months ago | philipwhiuk
    com.fsck.k9.mailstore.LockableDatabase$WrappedException: com.fsck.k9.mail.MessagingException: Error appending message: **subject**
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    Stack Overflow | 8 months ago | Plex752
    java.lang.RuntimeException: Unable to start activity ComponentInfo{dev.com.test/dev.com.test.ServiceActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'boolean java.util.List.add(java.lang.Object)' on a null object reference
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    Stack Overflow | 1 year ago | Ido
    java.lang.NullPointerException: Attempt to invoke interface method 'boolean java.util.List.add(java.lang.Object)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke interface method 'boolean java.util.List.add(java.lang.Object)' on a null object reference

      at com.example.anubh.contactsearch.myAdapter.<init>()
    2. com.example.anubh
      MainActivity.onCreate
      1. com.example.anubh.contactsearch.myAdapter.<init>(myAdapter.java:71)
      2. com.example.anubh.contactsearch.MainActivity.onCreate(MainActivity.java:30)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.app.Activity.performCreate(Activity.java:5966)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2408)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2517)
      5. android.app.ActivityThread.access$800(ActivityThread.java:162)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1412)
      7. android.os.Handler.dispatchMessage(Handler.java:106)
      8. android.os.Looper.loop(Looper.java:189)
      9. android.app.ActivityThread.main(ActivityThread.java:5530)
      9 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:950)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)
      2 frames