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

Stack Overflow | KaiZ | 3 months ago
  1. 0

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

    Stack Overflow | 3 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
    Initialize the variable before calling a method on it.
  3. 0
    The parsed JSON does not contains the requested field.
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    not receiving any values from php server

    Stack Overflow | 8 months ago | user3835979
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.ArrayList.get(int)' on a null object reference
  6. 0

    An Object in my class is always null

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

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    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