38 lines
1.2 KiB
Java
38 lines
1.2 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.widget;
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/**
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* This interface can be implemented by any collection-type view which has a notion of
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* progressing through its set of children. The interface exists to give AppWidgetHosts a way of
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* taking responsibility for automatically advancing such collections.
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*
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*/
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public interface Advanceable {
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/**
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* Advances this collection, eg. shows the next view.
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*/
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public void advance();
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/**
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* Called by the AppWidgetHost once before it begins to call advance(), allowing the
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* collection to do any required setup.
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*/
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public void fyiWillBeAdvancedByHostKThx();
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}
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