query: Attempt to invoke virtual method 'void androidx.drawerlayout.widget.DrawerLayout.openDrawer(int)' on a null object reference
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 95006
negative_passages.text: onTouchEvent in a BaseAdapter Android
negative_passages.docid: 96843
negative_passages.text: What will happen when I call a member function on a NULL object pointer?
negative_passages.docid: 127241
negative_passages.text: How to create a closed (circular) ListView?
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 98866
negative_passages.text: Null Pointer Exception on getGraphics()
negative_passages.docid: 151495
negative_passages.text: What is the way to run a new thread and a UI thread in Android?
negative_passages.docid: 63430
negative_passages.text: attempt to re-open an already-closed object: SQLiteDatabase
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 119573
negative_passages.text: NullPointerException in Java with no StackTrace
negative_passages.docid: 10818
negative_passages.text: NullPointerException : println needs a message in android
negative_passages.docid: 97325
negative_passages.text: DialogFragment causing nullpointer crash
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 46857
negative_passages.text: Compiler warning: null reference exception
negative_passages.docid: 84461
negative_passages.text: Unable instantiate android.gms.maps.MapFragment
negative_passages.docid: 8744
negative_passages.text: Android "Only the original thread that created a view hierarchy can touch its views."