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

Stack Overflow | Vishy | 4 months ago
  1. 0

    ContentFrameLayout.onMeasure NPE while invoking getVisibility()

    Stack Overflow | 4 months ago | Vishy
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getVisibility()' on a null object reference
  2. 0

    assigning Images through adapter

    Stack Overflow | 7 months ago | prakshi
    java.lang.NullPointerException
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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.FrameLayout.onMeasure()
  2. Android Platform
    FrameLayout.onMeasure
    1. android.widget.FrameLayout.onMeasure(FrameLayout.java:193)
    1 frame
  3. Android v7
    ContentFrameLayout.onMeasure
    1. android.support.v7.widget.ContentFrameLayout.onMeasure(SourceFile:135)
    1 frame
  4. Android Platform
    FrameLayout.onMeasure
    1. android.view.View.measure(View.java:18866)
    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:18866)
    7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
    8. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
    9. android.view.View.measure(View.java:18866)
    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:18866)
    15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)
    16. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
    16 frames
  5. Android
    PhoneWindow$DecorView.onMeasure
    1. com.android.internal.policy.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2650)
    1 frame
  6. Android Platform
    ActivityThread.main
    1. android.view.View.measure(View.java:18866)
    2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2104)
    3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1220)
    4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1456)
    5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1111)
    6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6017)
    7. android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:844)
    11. android.os.Handler.handleCallback(Handler.java:739)
    12. android.os.Handler.dispatchMessage(Handler.java:95)
    13. android.os.Looper.loop(Looper.java:224)
    14. android.app.ActivityThread.main(ActivityThread.java:5526)
    14 frames
  7. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Method.java)
    1 frame
  8. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
    2 frames