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