1/*
2 * Copyright (C) 2006 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
17package android.widget;
18
19/**
20 * Extended {@link Adapter} that is the bridge between a {@link ListView}
21 * and the data that backs the list. Frequently that data comes from a Cursor,
22 * but that is not
23 * required. The ListView can display any data provided that it is wrapped in a
24 * ListAdapter.
25 */
26public interface ListAdapter extends Adapter {
27
28    /**
29     * Are all items in this ListAdapter enabled?
30     * If yes it means all items are selectable and clickable.
31     *
32     * @return True if all items are enabled
33     */
34    public boolean areAllItemsEnabled();
35
36    /**
37     * Returns true if the item at the specified position is not a separator.
38     * (A separator is a non-selectable, non-clickable item).
39     *
40     * @param position Index of the item
41     * @return True if the item is not a separator
42     */
43    boolean isEnabled(int position);
44}
45