Java tutorial
//package com.java2s; import android.os.*; import java.util.*; public class Main { private static Boolean mIsExynosDevice; public static boolean isExynosDevice() { if (mIsExynosDevice != null) return mIsExynosDevice; mIsExynosDevice = Build.HARDWARE.toLowerCase(Locale.US).contains("smdk"); return mIsExynosDevice; } }