Android获取设备ID

/******************************************************************************* * Software Name : RCS IMS Stack * * Copyright (C) 2010 France Telecom S.A. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/package com.example.te;import java.util.UUID;import android.content.Context;import android.telephony.TelephonyManager;/*** * Device utility functions *  * @author jexa7410 */public class DeviceUtils {/** * UUID */private static UUID uuid = null;/** * Returns unique UUID of the device *  * @param context Context  * @return UUID */    public static UUID getDeviceUUID(Context context) {if (context == null) {return null;}if (uuid == null) {TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);String id = tm.getDeviceId();if (id != null) { uuid = UUID.nameUUIDFromBytes(id.getBytes());}}return uuid;}}