java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setLayoutParams(android.view.ViewGroup$LayoutParams)' on a null object reference

Stack Overflow | Leo Kim | 3 weeks ago
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    Moving ImageView in SearchView programmatically

    Stack Overflow | 3 weeks ago | Leo Kim
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setLayoutParams(android.view.ViewGroup$LayoutParams)' on a null object reference
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    07net01.com | 11 months ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference //
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    Stack Overflow | 11 months ago | Savita
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.design.widget.FloatingActionButton.setLayoutParams(android.view.ViewGroup$LayoutParams)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.ImageView.setLayoutParams(android.view.ViewGroup$LayoutParams)' on a null object reference

      at com.leoybkim.watexam.ScheduleActivity.onCreateOptionsMenu()
    2. com.leoybkim.watexam
      ScheduleActivity.onCreateOptionsMenu
      1. com.leoybkim.watexam.ScheduleActivity.onCreateOptionsMenu(ScheduleActivity.java:91)
      1 frame