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

Stack Overflow | walimbeakshay | 8 months ago
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  1. 0

    App is crashing when I am opening a basic activity

    Stack Overflow | 8 months ago | walimbeakshay
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getVisibility()' on a null object reference
  2. 0

    'int android.view.View.getVisibility()' on a null object reference onphone but not in emulator

    Stack Overflow | 1 month ago | Eric
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getVisibility()' on a null object reference
  3. 0

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

    Stack Overflow | 8 months ago | S.Doan
    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

    Set array adaptor error: java.lang.String java.lang.Object.toString()' on a null object reference android studio

    Stack Overflow | 2 months ago | BCampbell
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
  6. 0

    whats the difference between these two array types? Android studio

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

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    Root Cause Analysis

    1. java.lang.NullPointerException

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

      at android.widget.LinearLayout.forceUniformHeight()
    2. Android Platform
      ViewGroup.measureChildWithMargins
      1. android.widget.LinearLayout.forceUniformHeight(LinearLayout.java:1380)
      2. android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1368)
      3. android.widget.TableRow.onMeasure(TableRow.java:114)
      4. android.view.View.measure(View.java:17547)
      5. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      6. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      7. android.widget.TableLayout.measureChildBeforeLayout(TableLayout.java:464)
      8. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      9. android.widget.TableLayout.measureVertical(TableLayout.java:476)
      10. android.widget.TableLayout.onMeasure(TableLayout.java:439)
      11. android.view.View.measure(View.java:17547)
      12. android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:727)
      13. android.widget.RelativeLayout.onMeasure(RelativeLayout.java:463)
      14. android.view.View.measure(View.java:17547)
      15. android.widget.ScrollView.measureChildWithMargins(ScrollView.java:1260)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      17. android.widget.ScrollView.onMeasure(ScrollView.java:337)
      18. android.view.View.measure(View.java:17547)
      19. android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:727)
      20. android.widget.RelativeLayout.onMeasure(RelativeLayout.java:463)
      21. android.view.View.measure(View.java:17547)
      22. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      22 frames
    3. android.support.design
      CoordinatorLayout.onMeasure
      1. android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:669)
      2. android.support.design.widget.HeaderScrollingViewBehavior.onMeasureChild(HeaderScrollingViewBehavior.java:89)
      3. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onMeasureChild(AppBarLayout.java:1319)
      4. android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:734)
      4 frames
    4. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      3. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      3 frames
    5. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    6. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      6. android.view.View.measure(View.java:17547)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      9. android.view.View.measure(View.java:17547)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      14. android.view.View.measure(View.java:17547)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      16 frames
    7. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2615)
      1 frame
    8. Android Platform
      Choreographer.doCallbacks
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2015)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1173)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1379)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
      7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
      8. android.view.Choreographer.doCallbacks(Choreographer.java:580)
      8 frames