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Does there exist any unique Android device ID?

Samuel Fernandes 1521 23-Apr-2015
Do Android devices have a unique id, and if so, what is a simple way to access it via Java?
android android 
Updated on 23-Apr-2015
Samuel Fernandes

Samuel Fernandes

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Anonymous User

Anonymous User

23-Apr-2015
Settings.Secure#ANDROID_ID returns the Android ID as an unique 64-bit hex string.

import android.provider.Settings.Secure;
private String android_id = Secure.getString(getContext().getContentResolver(),
                                                        Secure.ANDROID_ID); 

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