短信看过就删掉不存入收件箱

ContentResolver cr = _context.getContentResolver();

   Uri inbox = Uri.parse( "content://sms/inbox" );
   Cursor cursor = cr.query(
        inbox,
        new String[] { "_id", "thread_id", "body" },
        null,
        null,
        null);do {        
        String body = cursor.getString( 2 );            
        long thread_id = cursor.getLong( 1 );
        Uri thread = Uri.parse( "content://sms/conversations/" + thread_id );
        cr.delete( thread, null, null );
        count++;

    } while ( cursor.moveToNext() );