How To Uniquely Identify An Android Device?

2018-06-08 02:45:51

This question already has an answer here:

Is there a unique Android device ID? 40 answers

There are several options available, but there is no 100% guarantee that they will always work. See the android developer blog post: http://android-developers.blogspot.in/2011/03/identifying-app-installations.html

Best method mentioned is Settings.Secure.ANDROID_ID

You can check the IMEI or MAC address of the device.

for IMEI

TelephonyManager.getDeviceId will work

for MAC

WifiInfo.getMacAddress will work

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