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