java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference

Stack Overflow | Teekam | 5 months ago
  1. 0

    Unable to get ActionBar on Fragment

    Stack Overflow | 5 months ago | Teekam
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference
  2. 0

    Android Error [Attempt to invoke virtual method 'void android.app.ActionBar' on a null object reference] android

    Stack Overflow | 1 year ago | Tejashree Verma
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.kmi_dev.fbloginsample/com.example.kmi_dev.fbloginsample.Home}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference
  3. 0

    Adding Tabs to ActionBar with help of FragmentPagerAdapter

    Stack Overflow | 2 years ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference
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  5. 0

    What am I missing here - in implementing tabs in my activity?

    Stack Overflow | 2 years ago | nikhil
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference
  6. 0

    java.lang.RuntimeException: Android Runtime error

    Stack Overflow | 2 years ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tech.neucial/com.tech.neucial.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.app.ActionBar.setHomeButtonEnabled(boolean)' on a null object reference

      at com.rayz.digitalpostbox.fragments.AccountAndCardTabFragment.onCreateView()
    2. com.rayz.digitalpostbox
      AccountAndCardTabFragment.onCreateView
      1. com.rayz.digitalpostbox.fragments.AccountAndCardTabFragment.onCreateView(AccountAndCardTabFragment.java:35)
      1 frame
    3. Android Support v4
      FragmentManagerImpl$1.run
      1. android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
      4. android.support.v4.app.BackStackRecord.run(BackStackRecord.java:742)
      5. android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
      6. android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:517)
      6 frames
    4. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:145)
      4. android.app.ActivityThread.main(ActivityThread.java:5951)
      4 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
      2 frames