Here you can find the source of getAndroidBuildSerial()
@TargetApi(9) private static String getAndroidBuildSerial()
//package com.java2s; /*//from ww w. jav a2s . c o m * Copyright 2013 Luluvise Ltd * * 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. */ import android.annotation.TargetApi; public class Main { /** * Returns the {@link #android.os.Build.SERIAL} string.<br> * Not guaranteed to be unique and not null, only available from API 9. */ @TargetApi(9) private static String getAndroidBuildSerial() { return android.os.Build.SERIAL; } }