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 package android.car.app.menu; 17 18 import android.os.Bundle; 19 20 import java.util.List; 21 22 /** 23 * The callbacks to receive menu items updates. 24 */ 25 public abstract class SubscriptionCallbacks { 26 /** 27 * Called when the items with the specified parent id are loaded. 28 * 29 * @param items The list of menu items. To retrieve the content of the item, use the keys 30 * defined in {@link CarMenuConstants.CarMenuConstants}. 31 */ 32 public abstract void onChildrenLoaded(String parentId, List<Bundle> items); 33 34 /** 35 * Called when there is an error loading the items with the specified id. 36 */ 37 public abstract void onError(String id); 38 39 /** 40 * Called when the car menu items with the specified parent id are changed. 41 * 42 * @param item The new menu item. To retrieve the content of the item, use the keys 43 * defined in {@link CarMenuConstants.CarMenuConstants}. 44 */ 45 public abstract void onChildChanged(String parentId, Bundle item); 46 }