| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget; |
| |
| /** |
| * Extended {@link Adapter} that is the bridge between a {@link ListView} |
| * and the data that backs the list. Frequently that data comes from a Cursor, |
| * but that is not |
| * required. The ListView can display any data provided that it is wrapped in a |
| * ListAdapter. |
| */ |
| public interface ListAdapter extends Adapter { |
| |
| /** |
| * Indicates whether all the items in this adapter are enabled. If the |
| * value returned by this method changes over time, there is no guarantee |
| * it will take effect. If true, it means all items are selectable and |
| * clickable (there is no separator.) |
| * |
| * @return True if all items are enabled, false otherwise. |
| * |
| * @see #isEnabled(int) |
| */ |
| public boolean areAllItemsEnabled(); |
| |
| /** |
| * Returns true if the item at the specified position is not a separator. |
| * (A separator is a non-selectable, non-clickable item). |
| * |
| * The result is unspecified if position is invalid. An {@link ArrayIndexOutOfBoundsException} |
| * should be thrown in that case for fast failure. |
| * |
| * @param position Index of the item |
| * |
| * @return True if the item is not a separator |
| * |
| * @see #areAllItemsEnabled() |
| */ |
| boolean isEnabled(int position); |
| } |