1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 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.deskclock.actionbarmenu; 18 19 import android.view.Menu; 20 import android.view.MenuItem; 21 22 /** 23 * Interface for handling a single menu item in action bar. 24 */ 25 public interface MenuItemController { 26 27 /** 28 * Returns the menu item resource id that the controller manages. 29 */ getId()30 int getId(); 31 32 /** 33 * Create the menu item. 34 */ onCreateOptionsItem(Menu menu)35 void onCreateOptionsItem(Menu menu); 36 37 /** 38 * Called immediately before the {@link MenuItem} is shown. 39 * 40 * @param item the {@link MenuItem} created by the controller 41 */ onPrepareOptionsItem(MenuItem item)42 void onPrepareOptionsItem(MenuItem item); 43 44 /** 45 * Attempts to handle the click action. 46 * 47 * @param item the {@link MenuItem} that was selected 48 * @return {@code true} if the action is handled by this controller 49 */ onOptionsItemSelected(MenuItem item)50 boolean onOptionsItemSelected(MenuItem item); 51 } 52