Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.getVersion()' on a null object reference
49
What is a NullPointerException, and how do I fix it?
151469
What is the difference between null and System.DBNull.Value?
68222
Reference to undeclared entity exception while working with XML
35129
Why does String.valueOf(null) throw a NullPointerException?
57599
How do I join two SQLite tables in my Android application?
81518
Find out what variable is throwing a NullPointerException programmatically
139395
com.sun.istack.SAXException2 : Instance ... is substituting "java.lang.Object", but ... is bound to an anonymous type
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
42111
How to populate a ListView from my database using sqlite
53319
ArgumentException or ArgumentNullException for string parameters?
22735
SQLite in Android How to update a specific row
120071
Checking for a null int value from a Java ResultSet
98080
Android: Cannot invoke toString() on the primitive type int
85964
Android: ClassNotFoundException when passing serializable object to Activity
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
37988
System.NullPointerException: Attempt to de-reference a null object:
73120
Nullpointerexception when trying to send data from activity to class