java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference

Stack Overflow | KaiZ | 2 months ago
  1. 0

    Why does my app crash with a NullPointerException, and why is my adapter (probably) null?

    Stack Overflow | 2 months ago | KaiZ
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference
  2. 0

    not receiving any values from php server

    Stack Overflow | 7 months ago | user3835979
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference
  3. 0

    An Object in my class is always null

    Stack Overflow | 3 months ago | Daniele
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference
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  5. 0

    App crashes in awardManager when logging time

    GitHub | 1 month ago | nnam-ibe
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference
  6. 0

    How to go to the back activity or fragment properly from another loaded fragment?

    Stack Overflow | 7 months ago | opu
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference

      at pt.ismai.a26800.readr.NewsAdapter.getView()
    2. pt.ismai.a26800
      NewsAdapter.getView
      1. pt.ismai.a26800.readr.NewsAdapter.getView(NewsAdapter.java:38)
      1 frame
    3. Android Platform
      GridView.onMeasure
      1. android.widget.AbsListView.obtainView(AbsListView.java:2346)
      2. android.widget.GridView.onMeasure(GridView.java:1065)
      2 frames
    4. pt.ismai.a26800
      ExpandableHeightGridView.onMeasure
      1. pt.ismai.a26800.readr.ExpandableHeightGridView.onMeasure(ExpandableHeightGridView.java:37)
      1 frame
    5. Android Platform
      View.measure
      1. android.view.View.measure(View.java:18804)
      1 frame
    6. Android Support v4
      NestedScrollView.measureChildWithMargins
      1. android.support.v4.widget.NestedScrollView.measureChildWithMargins(NestedScrollView.java:1411)
      1 frame
    7. Android Platform
      FrameLayout.onMeasure
      1. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      1 frame
    8. Android Support v4
      NestedScrollView.onMeasure
      1. android.support.v4.widget.NestedScrollView.onMeasure(NestedScrollView.java:479)
      1 frame
    9. Android Platform
      ViewGroup.measureChildWithMargins
      1. android.view.View.measure(View.java:18804)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      2 frames
    10. android.support.design
      CoordinatorLayout.onMeasure
      1. android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:700)
      2. android.support.design.widget.HeaderScrollingViewBehavior.onMeasureChild(HeaderScrollingViewBehavior.java:90)
      3. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onMeasureChild(AppBarLayout.java:1364)
      4. android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:765)
      4 frames
    11. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:18804)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      3. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      3 frames
    12. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    13. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:18804)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      6. android.view.View.measure(View.java:18804)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      9. android.view.View.measure(View.java:18804)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      14. android.view.View.measure(View.java:18804)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      16 frames
    14. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2643)
      1 frame
    15. Android Platform
      ActivityThread.main
      1. android.view.View.measure(View.java:18804)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2112)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1228)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1464)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1119)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6060)
      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:746)
      12. android.os.Handler.dispatchMessage(Handler.java:95)
      13. android.os.Looper.loop(Looper.java:148)
      14. android.app.ActivityThread.main(ActivityThread.java:5443)
      14 frames
    16. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    17. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
      2 frames