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/*
* 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.
*
*/
public interface Advanceable {
/**
* 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.
*/
public void fyiWillBeAdvancedByHostKThx();
}
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