1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Eclipse Public License, Version 1.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.eclipse.org/org/documents/epl-v10.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.menubar; 18 19 20 21 /** 22 * Callbacks used by {@link IMenuBarEnhancer}. 23 */ 24 public interface IMenuBarCallback { 25 /** 26 * Invoked when the About menu item is selected by the user. 27 */ onAboutMenuSelected()28 abstract public void onAboutMenuSelected(); 29 30 /** 31 * Invoked when the Preferences or Options menu item is selected by the user. 32 */ onPreferencesMenuSelected()33 abstract public void onPreferencesMenuSelected(); 34 35 /** 36 * Used by the enhancer implementations to report errors. 37 * 38 * @param format A printf-like format string. 39 * @param args The parameters for the printf-like format string. 40 */ printError(String format, Object...args)41 abstract public void printError(String format, Object...args); 42 } 43