java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

Stack Overflow | LBJ33 | 8 months ago
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    ListView not populating with data

    Stack Overflow | 8 months ago | LBJ33
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

      at com.bestworkouts.sheikoworkout.MyWorkout$1.onChildClick()
    2. com.bestworkouts.sheikoworkout
      MyWorkout$1.onChildClick
      1. com.bestworkouts.sheikoworkout.MyWorkout$1.onChildClick(MyWorkout.java:64)
      1 frame