Java tutorial
//package com.java2s; /* SetFromMap is: * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class Main { public static void actionBarSetDisplayHomeAsUpEnabled(Object actionBar, boolean arg) { if (actionBar == null) return; try { Method m = actionBar.getClass().getMethod("setDisplayHomeAsUpEnabled", boolean.class); m.invoke(actionBar, arg); } catch (NoSuchMethodException ignore) { } catch (InvocationTargetException ignore) { } catch (IllegalAccessException ignore) { } } }