java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

Stack Overflow | James | 4 months ago
  1. 0

    Null Pointer Exception inside a Fragment

    Stack Overflow | 4 months ago | James
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  2. 0

    caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void ... on a null object reference

    Stack Overflow | 2 years ago | Red_X
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.capstone.medicinehealthguide/com.capstone.medicinehealthguide.MenuListActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  3. 0

    create three elements in adapter

    Stack Overflow | 1 year ago | Cheng
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
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  5. 0

    MapFragment with Navigation Drawer - codeengine

    codeengine.org | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  6. 0

    Fragment in java error

    Stack Overflow | 8 months ago | Naufal Prakoso
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

      at com.example.schadtj.portalapp.FragmentOne.updateGraph()
    2. com.example.schadtj
      MainActivity$1.run
      1. com.example.schadtj.portalapp.FragmentOne.updateGraph(FragmentOne.java:38)
      2. com.example.schadtj.portalapp.MainActivity$1.run(MainActivity.java:36)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:148)
      4. android.app.ActivityThread.main(ActivityThread.java:5417)
      4 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames