Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.telephony.TelephonyManager; public class Main { public static String getSN(Context context) { final String deviceId = ((TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE)) .getDeviceId(); if (deviceId != null) { return deviceId; } else { return android.os.Build.SERIAL; } } }