java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference

Stack Overflow | revy | 2 months ago
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    Android: how to set width/height of YoutubePlayerSupportFragment

    Stack Overflow | 2 months ago | revy
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference
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    GitHub comment 155#227086010

    GitHub | 6 months ago | GaganKainth
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference
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    [android] NPE @ com.andrew.apollo.dragdrop.DragSortListView.measureItemAndGetHeights:604

    GitHub | 4 months ago | gubatron
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference
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    Attempt to invoke virtual method on a null object reference - drawer layout

    Stack Overflow | 2 years ago | WizardKnight
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference
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    Null pointer error on my code Android

    Stack Overflow | 10 months ago | gkmohit
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference

      at com.test.revy.radioshake.MainActivity$1.onItemClick()
    2. com.test.revy
      MainActivity$1.onItemClick
      1. com.test.revy.radioshake.MainActivity$1.onItemClick(MainActivity.java:249)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.widget.AdapterView.performItemClick(AdapterView.java:346)
      2. android.widget.AbsListView.performItemClick(AbsListView.java:1550)
      3. android.widget.AbsListView$PerformClick.run(AbsListView.java:3830)
      4. android.widget.AbsListView$3.run(AbsListView.java:5855)
      5. android.os.Handler.handleCallback(Handler.java:739)
      6. android.os.Handler.dispatchMessage(Handler.java:95)
      7. android.os.Looper.loop(Looper.java:148)
      8. android.app.ActivityThread.main(ActivityThread.java:7325)
      8 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames