Java tutorial
//package com.java2s; import android.content.Context; import android.telephony.TelephonyManager; public class Main { /** * Returns the device ID * * @param context A valid context instance * @return the device ID */ @SuppressWarnings("unused") public static String getDeviceId(Context context) { TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); return manager.getDeviceId(); } }