java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.MenuItem.setIntent(android.content.Intent)' on a null object reference

Stack Overflow | mm24mm | 5 months ago
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  1. 2

    Android Studio Emulator keeps crashing when I run and press buttons on my layouts?

    Stack Overflow | 5 months ago | mm24mm
    java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.MenuItem.setIntent(android.content.Intent)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke interface method 'android.view.MenuItem android.view.MenuItem.setIntent(android.content.Intent)' on a null object reference

      at com.bignerdranch.android.assignment2.UserAccountActivity.onCreateOptionsMenu()
    2. com.bignerdranch.android
      UserAccountActivity.onCreateOptionsMenu
      1. com.bignerdranch.android.assignment2.UserAccountActivity.onCreateOptionsMenu(UserAccountActivity.java:22)
      1 frame
    3. Android Platform
      Activity.onCreatePanelMenu
      1. android.app.Activity.onCreatePanelMenu(Activity.java:2823)
      1 frame
    4. Android Support v4
      FragmentActivity.onCreatePanelMenu
      1. android.support.v4.app.FragmentActivity.onCreatePanelMenu(FragmentActivity.java:340)
      1 frame
    5. Android v7
      AppCompatDelegateImplV7$1.run
      1. android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:85)
      2. android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.onCreatePanelMenu(AppCompatDelegateImplBase.java:258)
      3. android.support.v7.app.AppCompatDelegateImplV7.preparePanel(AppCompatDelegateImplV7.java:1320)
      4. android.support.v7.app.AppCompatDelegateImplV7.doInvalidatePanelMenu(AppCompatDelegateImplV7.java:1600)
      5. android.support.v7.app.AppCompatDelegateImplV7.access$100(AppCompatDelegateImplV7.java:92)
      6. android.support.v7.app.AppCompatDelegateImplV7$1.run(AppCompatDelegateImplV7.java:131)
      6 frames
    6. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:135)
      4. android.app.ActivityThread.main(ActivityThread.java:5254)
      4 frames
    7. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    8. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
      2 frames