ERROR/AndroidRuntime(27294):
at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:118)
ERROR/AndroidRuntime(27294):
at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)

public class ShowFragment extends ListFragment {

 ArrayList<String> results = new ArrayList<String>();
 private SQLiteDatabase db;
 WorkTrackdb workdb = new WorkTrackdb(getActivity());
 private ViewGroup mRootView;




@Override

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

     Cursor c = getYears();
             //some code here
}


    Cursor getYears() {
        db = workdb.getReadableDatabase();
        String years[] = {"year"};
        Cursor cursor = db.query(WorkTrackdb.TABLE_NAME, years, null,
                null, null, null,"year DESC");
        return cursor;
    }