1 /* 2 * Copyright (C) 2015 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.setupwizardlib.items; 18 19 import android.view.View; 20 21 /** 22 * Representation of an item in an {@link ItemHierarchy}. 23 */ 24 public interface IItem { 25 26 /** 27 * Get the Android resource ID for locating the layout for this item. 28 * 29 * @return Resource ID for the layout of this item. This layout will be used to inflate the View 30 * passed to {@link #onBindView(android.view.View)}. 31 */ 32 int getLayoutResource(); 33 34 /** 35 * Called by items framework to display the data specified by this item. This method should 36 * update {@code view} to reflect its data. 37 * 38 * @param view A view inflated from {@link #getLayoutResource()}, which should be updated to 39 * display data from this item. This view may be recycled from other items with the 40 * same layout resource. 41 */ 42 void onBindView(View view); 43 44 /** 45 * @return True if this item is enabled. 46 */ 47 boolean isEnabled(); 48 } 49
