How to get unique device hardware id in Android

Question

How to get the unique device ID in Android which cannot be changed when performing a phone reset or OS update

User · Answer

Please read this official blog entry on Google developer blog: http://android-developers.blogspot.be/2011/03/identifying-app-installations.html

Conclusion For the vast majority of applications, the requirement is to identify a particular installation, not a physical device. Fortunately, doing so is straightforward.

There are many good reasons for avoiding the attempt to identify a particular device. For those who want to try, the best approach is probably the use of ANDROID_ID on anything reasonably modern, with some fallback heuristics for legacy devices

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User · Answer

Update  19 -11-2019  The below answer is no more relevant to present day   So for any one looking for answers you should look at the documentation linked below  https   developer android com training articles user-data-ids    Old Answer - Not relevant now  You check this blog in the link below  http   android-developers blogspot in 2011 03 identifying-app-installations html  ANDROID ID  import android provider Settings Secure   private String android id   Secure getString getContext   getContentResolver                                                        Secure ANDROID ID      The above is from the link   Is there a unique Android device ID   More specifically  Settings Secure ANDROID ID  This is a 64-bit quantity that is generated and stored when the device first boots  It is reset when the device is wiped   ANDROID ID seems a good choice for a unique device identifier  There are downsides  First  it is not 100  reliable on releases of Android prior to 2 2     Froyo      Also  there has been at least one widely-observed bug in a popular handset from a major manufacturer  where every instance has the same ANDROID ID   The below solution is not a good one coz the value survives device wipes     Factory resets     and thus you could end up making a nasty mistake when one of your customers wipes their device and passes it on to another person   You get the imei number of the device using the below    TelephonyManager telephonyManager    TelephonyManager getSystemService Context TELEPHONY SERVICE     telephonyManager getDeviceId      http   developer android com reference android telephony TelephonyManager html getDeviceId 28 29  Add this is manifest   lt uses-permission android name  android permission READ PHONE STATE   gt

User · Answer

I use following code to get Android id   String android id   Secure getString this getContentResolver                Secure ANDROID ID    Log d  Android   Android ID     android id

[android] How to get unique device hardware id in Android?

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