Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2013 See AUTHORS file. * * This file is part of SleepFighter. * * SleepFighter is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * SleepFighter is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with SleepFighter. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ import android.annotation.TargetApi; import android.app.Activity; import android.os.Build; public class Main { @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) public static void setupStandardActionBar(Activity activity) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { activity.getActionBar().setDisplayHomeAsUpEnabled(true); } } }