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I want to implement a global scoreboard for an android game. I am using c# and mysql. I can not figure out what exactly to use as an ID (primary key) for my table to identify the users. Is there a unique number which phones have which i can use as a primary key for my mysql database ? I guess i could use information like IP combined with mobile model and other information as a double or triple primary key but that would be problematic. What is the better way to do it ?

dimitris93
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    Check this out: http://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id – Yang Yu Feb 28 '15 at 00:09
  • @YangYu it does seem like what i am looking for. unfortunately is not as reliable as i would imagine. but still, i guess i will have to go with that – dimitris93 Feb 28 '15 at 00:11
  • Yeah, I'm not sure if you'll be able to access a more unique identifier like the IMEI (security reasons maybe). This solution has a unique id for each profile, which might be a good thing I guess? – Yang Yu Feb 28 '15 at 00:14
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    Actually...seems this one is what you are looking for: http://stackoverflow.com/questions/2322234/how-to-find-serial-number-of-android-device – Yang Yu Feb 28 '15 at 00:17
  • @YangYu yea i saw that in the 2nd question of the 1st post you posted. the downside is that tablets don't have a sim. i will have to think which one suits me better. thanks a lot – dimitris93 Feb 28 '15 at 00:20

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Have you considered linking it to an account which company has an API you can query for logins, such as Google?

I know it's not exactly responding what you were asking for, but just making sure you had considered other options before jumping into trying to figure out identifiers between phones.

Spencer Bravo
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  • i just want it to be more automated. also i will have the score locally on a file on the phone, and just submit the score to the database if there is internet connection – dimitris93 Feb 28 '15 at 09:35