Search Unity

Duplicates of deviceUniqueIdentifier across devices?

Discussion in 'Android' started by Dom3D, Sep 19, 2014.

  1. Dom3D

    Dom3D

    Joined:
    Dec 19, 2012
    Posts:
    21
    Hi,
    looks like we have a significant numbers of Android devices that have unityDeviceID shared with other devices. We are looking into this further but at a glance it seems that they have the device name set to "unknown".

    Did you observe the same? Any bugs / workarounds known about this?

    Thanks
    Dom

    p.s. "unknown" seems to be a general Android thing
     
    Last edited: Sep 19, 2014
    Dom3D, Sep 19, 2014
    #1

  2. unitygamedevelopper

    unitygamedevelopper

    Joined:
    Sep 19, 2014
    Posts:
    2
    are they device rooted ?
     
    unitygamedevelopper, Sep 19, 2014
    #2

  3. Dom3D

    Dom3D

    Joined:
    Dec 19, 2012
    Posts:
    21
    According to a post from UT, Unity is using the

    "... use hash of mac addr, and check android_id only if there is no permission to access telephony"

    (source: http://forum.unity3d.com/threads/unity-4-2-systeminfo-deviceuniqueidentifier-regression.194047/ )​

    But it seems to be a known issue that Android id is not unique. So that fallback might not be a solid one and they should add some more device features into the mix. Anyways we are still looking at our data.

    Here's a blog post also mentioning that Android ID may not be unique: http://android-developers.blogspot.ie/2011/03/identifying-app-installations.html
     
    Dom3D, Sep 19, 2014
    #3