SQLiteDatabase close() function causing NullPointerException when multiple threads

Question

I discovered in my project that the close() function in the SQLiteDatabase implementation on Android throws a NullPointerException when running multiple threads that open th

Answer 1

If you are working directly on a SQLite database without resorting to a content provider, a pattern I have seen used is to close the database in Application.onTerminate, whereas the Application instance stores the singleton database "adapter", which would be an object containing a SQLiteDatabase and its SQLiteOpenHelper.