java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

Stack Overflow | S.Doan | 4 months ago
  1. 0

    (ArrayAdapter maybe) / / 'java.lang.String java.lang.Object.toString()' on a null object reference

    Stack Overflow | 4 months ago | S.Doan
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
  2. 0

    App is crashing when I am opening a basic activity

    Stack Overflow | 5 months ago | walimbeakshay
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getVisibility()' on a null object reference
  3. 0

    android Object.toString() on a null object

    Stack Overflow | 6 months ago | DAVIDBALAS1
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
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  5. 0

    NPE when using include layout

    Stack Overflow | 5 months ago | leenolasco
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getVisibility()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

      at android.widget.ArrayAdapter.createViewFromResource()
    2. Android Platform
      ViewGroup.measureChildWithMargins
      1. android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:401)
      2. android.widget.ArrayAdapter.getView(ArrayAdapter.java:369)
      3. android.widget.AbsListView.obtainView(AbsListView.java:2346)
      4. android.widget.ListView.measureHeightOfChildren(ListView.java:1280)
      5. android.widget.ListView.onMeasure(ListView.java:1188)
      6. android.view.View.measure(View.java:18788)
      7. android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:715)
      8. android.widget.RelativeLayout.onMeasure(RelativeLayout.java:461)
      9. android.view.View.measure(View.java:18788)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
      10 frames
    3. android.support.design
      CoordinatorLayout.onMeasure
      1. android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:668)
      2. android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:735)
      2 frames
    4. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:18788)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
      3. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      3 frames
    5. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    6. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:18788)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      6. android.view.View.measure(View.java:18788)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      9. android.view.View.measure(View.java:18788)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      14. android.view.View.measure(View.java:18788)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      16 frames
    7. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2643)
      1 frame
    8. Android Platform
      ActivityThread.main
      1. android.view.View.measure(View.java:18788)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2100)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1216)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1452)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6013)
      7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
      8. android.view.Choreographer.doCallbacks(Choreographer.java:670)
      9. android.view.Choreographer.doFrame(Choreographer.java:606)
      10. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
      11. android.os.Handler.handleCallback(Handler.java:739)
      12. android.os.Handler.dispatchMessage(Handler.java:95)
      13. android.os.Looper.loop(Looper.java:148)
      14. android.app.ActivityThread.main(ActivityThread.java:5417)
      14 frames
    9. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    10. Android
      ZygoteInit$MethodAndArgsCaller.run
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      1 frame