Java tutorial
//package com.java2s; /* * Copyright (C) 2015 iChano incorporation's Open Source Project * * 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.content.Context; import android.view.KeyCharacterMap; import android.view.KeyEvent; import android.view.ViewConfiguration; public class Main { public static boolean checkDeviceHasNavigationBar(Context context) { boolean hasMenuKey = ViewConfiguration.get(context).hasPermanentMenuKey(); boolean hasBackKey = KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_BACK); if (!hasMenuKey && !hasBackKey) { return true; } return false; } }