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