Java tutorial
//package com.java2s; import android.content.Context; import android.os.Build; import android.view.ViewConfiguration; public class Main { public static boolean hasHardwareMenuKey(Context context) { boolean flag = false; if (Build.VERSION.SDK_INT < 11) flag = true; else if (Build.VERSION.SDK_INT >= 14) { flag = ViewConfiguration.get(context).hasPermanentMenuKey(); } else flag = false; return flag; } }