content: /*
   * Copyright (C) 2015 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;
  
  import android.annotation.Nullable;
  import android.content.res.Resources;
  import android.content.res.Resources.Theme;
  import android.view.View;
  import android.view.ViewGroup;
  
  /**
   * An extension of SpinnerAdapter that is capable of inflating drop-down views
   * against a different theme than normal views.
   * <p>
   * Classes that implement this interface should use the theme provided to
   * {@link #setDropDownViewTheme(Theme)} when creating views in
   * {@link SpinnerAdapter#getDropDownView(int, View, ViewGroup)}.
   */
  public interface ThemedSpinnerAdapter extends SpinnerAdapter {
      /**
       * Sets the {@link Resources.Theme} against which drop-down views are
       * inflated.
       *
       * @param theme the context against which to inflate drop-down views, or
       *              {@code null} to use the default theme
       * @see SpinnerAdapter#getDropDownView(int, View, ViewGroup)
       */
      void setDropDownViewTheme(@Nullable Resources.Theme theme);
  
      /**
       * Returns the value previously set by a call to
       * {@link #setDropDownViewTheme(Theme)}.
       *
       * @return the {@link Resources.Theme} against which drop-down views are
       *         inflated, or {@code null} if one has not been explicitly set
       */
      @Nullable
      Resources.Theme getDropDownViewTheme();
  }
  