java.lang.NullPointerException

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  • Null Pointer Exception inside a Fragment
    via Stack Overflow by James
    ,
    • 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(FragmentOne.java:38) at com.example.schadtj.portalapp.MainActivity$1.run(MainActivity.java:36) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5417) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
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