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