Java / Android-如何将int数组转换为最小字节数组？

Question

I need to convert an int array like this...

int[] myInts = {
    99999,
    9999,
    99999,
    1,
    1234567890,
    24385933,
    99
};

...as efficiently as possible into a byte[] so it can be saved on an NFC tag.

I have seen this very similar question from which I have tried the two the answers ( here and here ), but the byte arrays they create both have a length of 28.

Unfortunately, that's no good for me as I need to create a byte[] with a maximum length of 16 (as the tag this data has to be saved on is a MIFARE Ultralight EV1).

Is there any other approach I could try in order to convert myInts to a byte[16] ?

Answer 1

Apologies. I got some info wrong in my question as according to the MIFARE Ultralight EV1 datasheet , the tag can hold 48 bytes of user data - which is good news. (I had been a bit mislead by NXP's example app which is hardcoded to just use 16 bytes.)

Thank you for the helpful comments anyway. :-)