Check cursor and URI value for nullity to prevent NPE.

        Cursor c = cr.query(thumbUri, THUMB_PROJECTION,

              Thumbnails.IMAGE_ID + "=?",

              new String[]{String.valueOf(origId)}, null);

        if (c == null) return null;

        try {

            if (c.moveToNext()) {

                return ContentUris.withAppendedId(thumbUri, c.getLong(0));

        if (thumb == null) return false;

        try {

            Uri uri = getImageThumbnailUri(cr, origId, thumb.getWidth(), thumb.getHeight());

            if (uri == null) return false;

            OutputStream thumbOut = cr.openOutputStream(uri);

            thumb.compress(Bitmap.CompressFormat.JPEG, 85, thumbOut);

            thumbOut.close();