content: /*
   * 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();
  }
  