/*
 * Copyright (C) 2010 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;

This interface can be implemented by any collection-type view which has a notion of progressing through its set of children. The interface exists to give AppWidgetHosts a way of taking responsibility for automatically advancing such collections.
/** * This interface can be implemented by any collection-type view which has a notion of * progressing through its set of children. The interface exists to give AppWidgetHosts a way of * taking responsibility for automatically advancing such collections. * */
public interface Advanceable {
Advances this collection, eg. shows the next view.
/** * Advances this collection, eg. shows the next view. */
public void advance();
Called by the AppWidgetHost once before it begins to call advance(), allowing the collection to do any required setup.
/** * Called by the AppWidgetHost once before it begins to call advance(), allowing the * collection to do any required setup. */
public void fyiWillBeAdvancedByHostKThx(); }