java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.app.ActionBarDrawerToggle.onConfigurationChanged(android.content.res.Configuration)' on a null object reference

GitHub | 1fish2 | 4 months ago
  1. 0

    NPE when resizing in freeform multi-window mode

    GitHub | 4 months ago | 1fish2
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.app.ActionBarDrawerToggle.onConfigurationChanged(android.content.res.Configuration)' on a null object reference
  2. 0

    App crashes when i switch to another activity that contains recycler view

    Stack Overflow | 4 months ago | Vortex
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.sensei.mist/com.example.sensei.mist.SecondActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
  3. 0

    Getting nullpointer exception on Recyclerview when setting layout manager in fragment

    Stack Overflow | 1 year ago | OJunker
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
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  5. 0

    recyclerview on fragment gets a null object reference

    Stack Overflow | 9 months ago | brettbrdls
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
  6. 0

    Unable to start activity ComponentInfo When Activity Is Not Present

    Stack Overflow | 3 months ago | Jeet.Deir
    java.lang.RuntimeException: Unable to start activity ComponentInfo{in.ddas.pretense/in.ddas.pretense.BagActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.support.v7.app.ActionBarDrawerToggle.onConfigurationChanged(android.content.res.Configuration)' on a null object reference

      at com.thebluealliance.androidclient.fragments.NavigationDrawerFragment.onConfigurationChanged()
    2. com.thebluealliance.androidclient
      NavigationDrawerFragment.onConfigurationChanged
      1. com.thebluealliance.androidclient.fragments.NavigationDrawerFragment.onConfigurationChanged(NavigationDrawerFragment.java:379)
      1 frame
    3. Android Support v4
      FragmentActivity.onConfigurationChanged
      1. android.support.v4.app.Fragment.performConfigurationChanged(Fragment.java:2032)
      2. android.support.v4.app.FragmentManagerImpl.dispatchConfigurationChanged(FragmentManager.java:2094)
      3. android.support.v4.app.FragmentController.dispatchConfigurationChanged(FragmentController.java:255)
      4. android.support.v4.app.FragmentActivity.onConfigurationChanged(FragmentActivity.java:287)
      4 frames
    4. Android v7
      AppCompatActivity.onConfigurationChanged
      1. android.support.v7.app.AppCompatActivity.onConfigurationChanged(AppCompatActivity.java:156)
      1 frame
    5. Android Platform
      ActivityThread.main
      1. android.app.ActivityThread.performConfigurationChanged(ActivityThread.java:4666)
      2. android.app.ActivityThread.performConfigurationChangedForActivity(ActivityThread.java:4577)
      3. android.app.ActivityThread.handleActivityConfigurationChanged(ActivityThread.java:4784)
      4. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1597)
      5. android.os.Handler.dispatchMessage(Handler.java:102)
      6. android.os.Looper.loop(Looper.java:154)
      7. android.app.ActivityThread.main(ActivityThread.java:6077)
      7 frames
    6. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    7. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
      2 frames