Safe check so we don't move cursor beyond possible pos scope.

        mCursor.moveToPosition(-1);

        for (int pos = 0; pos < mCursorCount; ++pos) {

            mCursor.moveToNext();

            if (!mCursor.moveToNext()) {

                Log.e(TAG, "Fail to move cursor to next pos: " + pos);

                return;

            }

            positions[pos] = pos;

            // Generates a Model ID for a cursor entry that refers to a document. The Model ID is a