Java tutorial
//package com.java2s; import android.content.Context; import android.telephony.TelephonyManager; public class Main { public static String getDeviceId(Context context) { TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); if (tm == null) { return "000000000000000"; } return tm.getDeviceId(); } }